CN110517928A - A kind of novel vacuum circuit breaker insulating sheath - Google Patents
A kind of novel vacuum circuit breaker insulating sheath Download PDFInfo
- Publication number
- CN110517928A CN110517928A CN201910632353.6A CN201910632353A CN110517928A CN 110517928 A CN110517928 A CN 110517928A CN 201910632353 A CN201910632353 A CN 201910632353A CN 110517928 A CN110517928 A CN 110517928A
- Authority
- CN
- China
- Prior art keywords
- insulating sheath
- rear end
- sheath
- shell
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
- H01H2033/66269—Details relating to the materials used for screens in vacuum switches
Abstract
The present invention provides a kind of novel vacuum circuit breaker insulating sheath, it is related to breaker protective jacket technical field, a kind of novel vacuum circuit breaker insulating sheath, including rear end insulating sheath, front end insulating sheath is fixedly connected on the left of the rear end insulating sheath, conducting wire fixation kit is provided on the left of the front end insulating sheath, the bottom thread of the rear end insulating sheath is connected with insulating sheath fixing seat, and the threaded upper ends of the insulating sheath fixing seat are connected with protective nut.Rubber strip strip is mutually clamped with sealing rubber strip after being installed by insulating sheath group; so that the junction between insulating sheath shell has good leakproofness; the steam and dust in outside air can effectively be prevented; it protects and is not interfered at circuit breaker connector, can effectively extend the service life of vacuum circuit breaker.
Description
Technical field
The present invention relates to breaker protective case technical field, specially a kind of novel vacuum circuit breaker insulating sheath.
Background technique
Vacuum circuit breaker can realize high current by the excellent insulation performance and interrupting performance in high vacuum
Partition, in order to improve the security performance of vacuum circuit breaker, can generally be arranged insulating sheath, insulating sheath is on vacuum circuit breaker
The sharp weapon of distribution insulating and power supply reliability are improved, it can effectively prevent exposed power equipment electrical connector due to (artificial
Touch, toy or sundries overlap joint, acid rain and chemical atmospheres corrosion) caused by power failure and electric shock accidents, as distribution is entirely exhausted
Edge degree constantly improve, and puts forward higher requirements to the reasonable structure of insulating sheath product, configuration type selecting adaptability.
In order to enable insulating sheath use of time enhanced convenience, insulating sheath by previous whole shell become
Demountable two shells pass through snapping or are bolted before latter two right shell, dismounting when easy access, again
It is multiple to use, but the leakproofness for allowing for entire insulation crust in this way is not strong, leads to a large amount of steam and ash in outside air
Dirt etc. can enter the inside of insulating sheath, so that some unfavorable shadows still can be caused to the joint of vacuum circuit breaker
It rings, shortens the service life of vacuum circuit breaker.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of novel vacuum circuit breaker insulating sheath, solves entire
The leakproofness of insulation crust is not strong, causes a large amount of steam and dust etc. in outside air that can enter the interior of insulating sheath
Portion shortens vacuum circuit breaker and uses the longevity so that still some detrimental effects can be caused to the joint of vacuum circuit breaker
The problem of life.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of novel vacuum circuit breaker insulation
Sheath, including rear end insulating sheath are fixedly connected with front end insulating sheath on the left of the rear end insulating sheath, and the front end is exhausted
Conducting wire fixation kit is provided on the left of edge sheath, the bottom thread of the rear end insulating sheath is connected with insulating sheath and fixes
Seat, the threaded upper ends of the insulating sheath fixing seat are connected with protective nut.
Preferably, the rear end insulating sheath is made of the first rear end sheath shell and the second rear end sheath shell, described
First rear end sheath shell is flexibly connected with the second rear end sheath shell by connects hinge, first rear end sheath shell with
The screw top of insulating sheath fixing seat connects, and first rear end sheath shell and the side wall of the second rear end sheath shell are solid
Surely restraining position ring block is connected, and the inside of the first rear end sheath shell and the second rear end sheath shell forms an arc-shaped cavity.
Preferably, the front end insulating sheath is made of the first front end sheath shell and the second front end sheath shell, and the
The inside of one front end sheath shell and the second front end sheath shell forms a straight line cavity, first front end sheath shell
Upper and lower surface is fixedly installed with the first link block, and the upper and lower surface of second front end sheath shell is fixedly installed with second
The inside of link block, first link block and the second link block offers identical threaded hole.
Preferably, the conducting wire fixation kit includes socket plectane, is fixedly connected on the right side of the socket plectane several
A grafting block, and jack compatible with grafting block is offered on the left side wall of front end insulating sheath, it is described to be socketed the upper of plectane
Lower both ends are fixedly installed with fixed block, offer circular hole on the side wall of the socket plectane, and the inside of circular hole is fixedly mounted
There is rubber washer.
Preferably, the inside of first rear end sheath shell and the first front end sheath shell is fixedly installed with rubber strip card
The inside of item, second rear end sheath shell and the second front end sheath shell is fixedly installed with sealing rubber strip, the rubber
Strip is mutually clamped with sealing rubber strip.
Preferably, it is made of the raw material of following weight proportion: 60-80 parts of phenol-formaldehyde resin powder, 10-15 parts of stabilizer, plasticising
7-9 parts of agent, 2-4 parts of antioxidant, 3-5 parts of fire retardant, 1-2 parts of additive, the additive are nano aluminium oxide.
Working principle: in use, the bolt of connection the first link block and the second link block is first removed, thus i.e. openable the
One rear end sheath shell and the second rear end sheath shell, since the first rear end sheath shell and the second rear end sheath shell pass through company
Articulate connection is connect, so the first rear end sheath shell may be rotated with the second rear end sheath shell, then by vacuum
Conducting wire at circuit breaker connector enters from the bottom of insulating sheath fixing seat, and conducting wire is protected by rear end insulating sheath and front end insulation
Cavity inside set, then comes out from the left end of front end insulating sheath, then wire head is passed through the rubber of socket plectane side wall installation
In the circular hole of rubber gasket, then the grafting block for being socketed plectane right end is inserted on the left side wall of front end insulating sheath again, then
First rear end sheath shell is closed up with the second rear end sheath shell, so that rubber strip strip gets up with sealing rubber strip clamping, together
When the first link block and the second link block are bolted, then protective nut is rotated, so that the top of protective nut
It fits with the bottom of stop collar, finally insulating sheath fixing seat is mounted on the top of vacuum separator.
(3) beneficial effect
The present invention provides a kind of novel vacuum circuit breaker insulating sheaths.Have it is following the utility model has the advantages that
It is 1, of the invention by installing rubber strip strip in the inside of the first rear end sheath shell and the first front end sheath shell,
Sealing rubber strip is installed in the inside of the second rear end sheath shell and the second front end sheath shell, and insulating sheath group install with
Rubber strip strip is mutually clamped with sealing rubber strip afterwards, so that the junction between insulating sheath shell has good leakproofness,
The steam and dust in outside air can be effectively prevented, protects and is not interfered at circuit breaker connector, it can be effective
The service life for extending vacuum circuit breaker.
2, the first rear end sheath shell is connect by the present invention by connects hinge with the second rear end sheath shell, is connected by first
The first front end sheath shell and the second front end sheath shell can be connected by connecing block and the second link block, and connection type is simple
It is practical, complicated connection type is avoided, so that insulating sheath is very convenient when disassembly.
3, the present invention can be greatly reduced the opening on the left of the insulating sheath of front end, be subtracted by the conducting wire fixation kit of setting
The entrance of few air, while the circular hole that the rubber washer being arranged can make conducting wire fixation kit open up can be adapted for difference greatly
Small conducting wire.
4, the present invention in the making material of insulating sheath by being added additive nano aluminium oxide, so that insulating sheath has
There is the function of antistatic, can effectively avoid electrostatic to the disturbed condition of vacuum circuit breaker joint.
Detailed description of the invention
Fig. 1 is overall structure of the present invention;
Fig. 2 is structure expanded schematic diagram in the present invention;
Fig. 3 is the conducting wire fixation kit structural schematic diagram in the present invention;
Fig. 4 is the rubber washer schematic diagram in the present invention;
Fig. 5 is overall structure assembling schematic diagram in the present invention.
Wherein, 1, rear end insulating sheath;2, front end insulating sheath;3, conducting wire fixation kit;4, insulating sheath fixing seat;5,
Protective nut;6, rubber strip strip;7, sealing rubber strip;101, the first rear end sheath shell;102, the second rear end sheath shell;
103, connects hinge;104, stop collar;201, the first front end sheath shell;202, the second front end sheath shell;203, first connects
Connect block;204, the second link block;301, it is socketed plectane;302, grafting block;303, fixed block;304, rubber washer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figs. 1-5, the embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, including rear end insulation shield
Set 1, the left side of rear end insulating sheath 1 is fixedly connected with front end insulating sheath 2, and the left side of front end insulating sheath 2 is provided with conducting wire
Fixation kit 3, the bottom thread of rear end insulating sheath 1 are connected with insulating sheath fixing seat 4, the upper end of insulating sheath fixing seat 4
It is threaded with protective nut 5, the conducting wire of vacuum circuit breaker joint is entered from the bottom of insulating sheath fixing seat 4, conducting wire
By the cavity inside rear end insulating sheath 1 and front end insulating sheath 2, then come out from the left end of front end insulating sheath 2, then
Wire head passes through in the circular hole of conducting wire fixation kit 3, finally insulating sheath fixing seat 4 is mounted on the top of vacuum separator.
Embodiment two:
As shown in Figure 1, 2, the embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, rear end insulating sheath 1
It is made of the first rear end sheath shell 101 and the second rear end sheath shell 102, the first rear end sheath shell 101 and the second rear end
Sheath shell 102 is flexibly connected by connects hinge 103, the top of the first rear end sheath shell 101 and insulating sheath fixing seat 4
It being threadedly coupled, the side wall of the first rear end sheath shell 101 and the second rear end sheath shell 102 is fixedly connected with restraining position ring block 104,
And first the inside of rear end sheath shell 101 and the second rear end sheath shell 102 form an arc-shaped cavity, front end insulating sheath
2 are made of the first front end sheath shell 201 and the second front end sheath shell 202, and before the first front end sheath shell 201 and second
The inside of sheath shell 202 is held to form a straight line cavity, the upper and lower surface of the first front end sheath shell 201 is fixedly installed with
First link block 203, the upper and lower surface of the second front end sheath shell 202 are fixedly installed with the second link block 204, the first connection
The inside of block 203 and the second link block 204 offers identical threaded hole, by first remove the first link block 203 of connection with
The bolt of second link block 204, thus i.e. openable first rear end sheath shell 101 and the second rear end sheath shell 102, due to
First rear end sheath shell 101 is flexibly connected with the second rear end sheath shell 102 by connects hinge 103, so the first rear end
Sheath shell 101 may be rotated with the second rear end sheath shell 102, protect after conducting wire is set, then the first rear end
Set of shells 101 is closed up with the second rear end sheath shell 102, while the first link block 203 and the second link block 204 are passed through bolt
It connects, then rotates protective nut 5, so that the top of protective nut 5 and the bottom of stop collar 104 fit.
Embodiment three:
As shown in Figure 1,2,3, 4, the embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, the fixed group of conducting wire
Part 3 includes socket plectane 301, and the right side of socket plectane 301 is fixedly connected with several grafting blocks 302, and front end insulating sheath 2
Left side wall on offer jack compatible with grafting block 302, the upper and lower ends of socket plectane 301 are fixedly installed with fixation
Block 303 is socketed on the side wall of plectane 301 and offers circular hole, and the inside of circular hole is fixedly installed with rubber washer 304, breaker
Conducting wire comes out from the left end of front end insulating sheath 2 and then wire head is passed through the rubber washer that socket 301 side wall of plectane is installed
In 304 circular hole, then the grafting block 302 for being socketed 301 right end of plectane is inserted on the left side wall of front end insulating sheath 2 again,
It can be in order to remove entire conducting wire fixation kit 3, before the first rear end sheath shell 101 and first by the fixed block 303 of setting
The inside of end sheath shell 201 is fixedly installed with rubber strip strip 6, the second rear end sheath shell 102 and the second front end sheath shell
The inside of body 202 is fixedly installed with sealing rubber strip 7, and rubber strip strip 6 is clamped with 7 phase of sealing rubber strip, and the first rear end is protected
When set of shells 101 and the second rear end sheath shell 102 are closed up, rubber strip strip 6 and sealing rubber strip 7 can be made to be clamped
Come, ensure that the leakproofness of insulating sheath.
Example IV:
The embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, is made of the raw material of following weight proportion:
60-80 parts of phenol-formaldehyde resin powder, 7-9 parts of plasticizer, 2-4 parts of antioxidant, 3-5 parts of fire retardant, adds 10-15 parts of calcium zinc stabilizer
Add 1-2 parts of agent, additive is antimony oxide, chooses 70 parts of phenol-formaldehyde resin powder, 12 parts of stabilizer, 8 parts of plasticizer, antioxidant
3 parts, 4 parts of fire retardant, 1.5 parts of additive be mixed, by the way that additive nano aluminium oxide is added so that insulating sheath have it is anti-
The function of electrostatic.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.Although have been shown and
The embodiment of the present invention is described, for the ordinary skill in the art, it is possible to understand that do not departing from original of the invention
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where reason and spirit, the scope of the present invention is by institute
Attached claim and its equivalent limit.
Claims (6)
1. a kind of novel vacuum circuit breaker insulating sheath, including rear end insulating sheath (1), it is characterised in that: the rear end insulation
It is fixedly connected on the left of sheath (1) front end insulating sheath (2), it is solid that conducting wire is provided on the left of the front end insulating sheath (2)
Determine component (3), the bottom thread of the rear end insulating sheath (1) is connected with insulating sheath fixing seat (4), and the insulating sheath is solid
The threaded upper ends of reservation (4) are connected with protective nut (5).
2. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: the rear end insulation shield
Set (1) is made of the first rear end sheath shell (101) and the second rear end sheath shell (102), first rear end sheath shell
(101) it is flexibly connected with the second rear end sheath shell (102) by connects hinge (103), first rear end sheath shell
(101) it is connect with the screw top of insulating sheath fixing seat (4), first rear end sheath shell (101) and the second rear end are protected
The side wall of set of shells (102) is fixedly connected with restraining position ring block (104), and the first rear end sheath shell (101) and the second rear end are protected
The inside of set of shells (102) forms an arc-shaped cavity.
3. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: the front end insulation shield
Set (2) is made of the first front end sheath shell (201) and the second front end sheath shell (202), and the first front end sheath shell
(201) a straight line cavity, first front end sheath shell (201) are formed with the inside of the second front end sheath shell (202)
Upper and lower surface be fixedly installed with the first link block (203), the upper and lower surface of second front end sheath shell (202) is solid
Dingan County is equipped with the second link block (204), and first link block (203) and the inside of the second link block (204) offer phase
Same threaded hole.
4. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: the fixed group of the conducting wire
Part (3) includes socket plectane (301), is fixedly connected with several grafting blocks (302) on the right side of the socket plectane (301), and
The compatible jack with grafting block (302) is offered on the left side wall of front end insulating sheath (2), socket plectane (301)
Upper and lower ends are fixedly installed with fixed block (303), offer circular hole on the side wall of socket plectane (301), and circular hole
Inside is fixedly installed with rubber washer (304).
5. a kind of novel vacuum circuit breaker insulating sheath according to claim 2 or 3, it is characterised in that: after described first
End sheath shell (101) and the inside of the first front end sheath shell (201) are fixedly installed with rubber strip strip (6), and described second
The inside of rear end sheath shell (102) and the second front end sheath shell (202) is fixedly installed with sealing rubber strip (7), the rubber
Adhesive tape strip (6) is mutually clamped with sealing rubber strip (7).
6. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: by following weight proportion
Raw material be made: 60-80 parts of phenol-formaldehyde resin powder, 10-15 parts of stabilizer, 7-9 parts of plasticizer, 2-4 parts of antioxidant, fire retardant 3-
5 parts, 1-2 parts of additive, the additive are nano aluminium oxide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910632353.6A CN110517928B (en) | 2019-07-13 | 2019-07-13 | Novel vacuum circuit breaker insulating sheath |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910632353.6A CN110517928B (en) | 2019-07-13 | 2019-07-13 | Novel vacuum circuit breaker insulating sheath |
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Publication Number | Publication Date |
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CN110517928A true CN110517928A (en) | 2019-11-29 |
CN110517928B CN110517928B (en) | 2021-05-14 |
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CN201910632353.6A Active CN110517928B (en) | 2019-07-13 | 2019-07-13 | Novel vacuum circuit breaker insulating sheath |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61143916A (en) * | 1984-12-14 | 1986-07-01 | シーメンス、アクチエンゲゼルシヤフト | Vacuum valve for breaker |
CN203367133U (en) * | 2013-08-14 | 2013-12-25 | 乐清国联电力护套有限公司 | Novel in-and-out wiring sheath for vacuum circuit breaker |
CN203386647U (en) * | 2013-08-14 | 2014-01-08 | 乐清国联电力护套有限公司 | Vacuum circuit breaker inlet and outlet wiring sheath |
CN203826642U (en) * | 2014-05-09 | 2014-09-10 | 浙江机电职业技术学院 | Children protective cover box for wiring board |
CN205211563U (en) * | 2015-11-12 | 2016-05-04 | 安徽伊法拉电力科技有限公司 | Novel insulating sheath |
CN106298359A (en) * | 2016-08-30 | 2017-01-04 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of plateau vacuum circuit breaker |
-
2019
- 2019-07-13 CN CN201910632353.6A patent/CN110517928B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61143916A (en) * | 1984-12-14 | 1986-07-01 | シーメンス、アクチエンゲゼルシヤフト | Vacuum valve for breaker |
CN203367133U (en) * | 2013-08-14 | 2013-12-25 | 乐清国联电力护套有限公司 | Novel in-and-out wiring sheath for vacuum circuit breaker |
CN203386647U (en) * | 2013-08-14 | 2014-01-08 | 乐清国联电力护套有限公司 | Vacuum circuit breaker inlet and outlet wiring sheath |
CN203826642U (en) * | 2014-05-09 | 2014-09-10 | 浙江机电职业技术学院 | Children protective cover box for wiring board |
CN205211563U (en) * | 2015-11-12 | 2016-05-04 | 安徽伊法拉电力科技有限公司 | Novel insulating sheath |
CN106298359A (en) * | 2016-08-30 | 2017-01-04 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of plateau vacuum circuit breaker |
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CN110517928B (en) | 2021-05-14 |
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Address after: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province Patentee after: Anhui yifala Electric Co.,Ltd. Address before: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province Patentee before: ANHUI YIFALA ELECTRICAL Co.,Ltd. |