CN101958602A - Anti-explosion main junction box for high-voltage compact motor - Google Patents
Anti-explosion main junction box for high-voltage compact motor Download PDFInfo
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- CN101958602A CN101958602A CN 201010522439 CN201010522439A CN101958602A CN 101958602 A CN101958602 A CN 101958602A CN 201010522439 CN201010522439 CN 201010522439 CN 201010522439 A CN201010522439 A CN 201010522439A CN 101958602 A CN101958602 A CN 101958602A
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- cassette holder
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Abstract
The invention discloses an anti-explosion main junction box for a high-voltage compact motor, comprising a box base and a box cover. The box base is detachably and hermetically connected with a motor body; the box cover is detachably and hermetically connected with the box base; a junction post is arranged in the box base; a pressure release hole is arranged on the lower part of the box base; the box base is provided with a hollow pressing plate inside the pressure release hole; two layers of hollow sealing cushions are arranged between the pressing plate and the box base; a layer of pressure release film is arranged between the two layers of sealing cushions; and the box base is provided with a protection cover having an opening outside the pressure release hole. With simple structure, easy installation manufacture and novel valving design, compared with the traditional junction box, the invention greatly improves the security and has the characteristics of reasonable electric gap, creepage distance and shell intensity, more convenient installation and use, high reliability, convenient use, compact structure and attractive appearance.
Description
Technical field
The present invention relates to the protector of a kind of electric wire, cable, relate in particular to a kind of high pressure compact(ing) machine with explosion-proof main electrical scheme box.
Background technology
The used terminal box of existing high pressure compact(ing) machine is made up of cassette holder and lid that sheet metal is welded, there are following several defectives in it: 1, terminal box is the housing of sealing, energy can not spread out of when accidental explosion occurring in terminal box, and the butted line box can damage and have influence on peripheral staff's personal safety; 2, be provided with the insulated enclosure pad between the cassette holder of terminal box and lid, cassette holder and the motor main body, in running, cassette holder and lid may produce certain potential difference, and this potential difference is easy to produce partial discharge, has influence on the fail safe of terminal box; 3, the line outlet place of terminal box is provided with the terminal box bucket, and complex structure, installation inconvenience and sealing property are unreliable; 4, box bottom and corresponding motor main body mating surface all adopt plane processing, and direct then cooperation or centre add one deck sealing gasket and satisfy barrier propterty, not only complex process, and poor sealing.
Summary of the invention
The present invention is in order to solve weak point of the prior art, and the high pressure compact(ing) machine that a kind of simple in structure, safe and reliable, good airproof performance is provided is with explosion-proof main electrical scheme box.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the high pressure compact(ing) machine is with explosion-proof main electrical scheme box, comprise the cassette holder that is connected with motor main body removable seal, the lid that is connected with the cassette holder removable seal, be provided with binding post in the cassette holder, described cassette holder bottom is provided with relief hole, be provided with the pressing plate of hollow on the cassette holder in the relief hole inboard, be provided with the sealing gasket of two-layer hollow between pressing plate and the cassette holder, be provided with one deck pressure release film between the two-layer sealing gasket, be provided with protective cover in the relief hole outside on the cassette holder with opening.
Be provided with bonding wire between described cassette holder and the lid.
Described cassette holder and lid lower end are provided with the line outlet of splitted structure, and the line outlet inboard is provided with twice ball face sealing circle.
Described protective cover is a cube structure, and its opening is provided with down.
The joint face of described cassette holder and motor main body is provided with Ο shape sealing strip, and the contact-making surface of Ο type sealing strip and cassette holder and motor main body is respectively cambered surface and planar structure.
Adopt technique scheme, can reach following beneficial effect:
1, the pressure release film can adopt Copper Foil or tinfoil paper, the sealing gasket of two-layer hollow plays the effect of insulated enclosure, and when accidental explosion occurring in terminal box, energy penetrates the pressure release film, opening by protective cover spreads out of, and avoids the butted line box to damage and jeopardize peripheral staff's personal safety; Protective cover with opening can be used for protecting the pressure release film, prevents that foreign matter from breaking the pressure release film and influencing the sealing of terminal box, and changes the release direction of blast pressure.
2, between cassette holder and lid, bonding wire is set, has farthest avoided terminal box to produce the possibility of partial discharge.
3, line outlet is inboard adopts twice spherical outside surface sealing ring, and reaches reliable sealing performance by designing certain decrement, has saved the terminal box bucket, simple in structure, easier for installation.
4, protective cover is a cube structure, can adjust the protective cover opening direction according to the required terminal box line outlet of user direction, and maximization improves the security reliability of terminal box like this; The opening of protective cover fail safe down is better.
The present invention is simple in structure, be easy to install and make, adopt the distinguish brand-new design, comparing fail safe with old-fashioned terminal box is greatly improved, have rational electric clearance and creepage distance and outer cover intensity, install and use conveniently, have the characteristics of reliability height, easy to use, compact conformation, good looking appearance.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an A-A cutaway view in the middle of Fig. 1;
Fig. 3 is the enlarged drawing at I place in the middle of Fig. 2;
Fig. 4 is the enlarged drawing at П place in the middle of Fig. 2.
Embodiment
Shown in Fig. 1～4, high pressure compact(ing) machine of the present invention is with explosion-proof main electrical scheme box, comprise the cassette holder 1 that is connected with motor main body 14 removable seals, the lid 2 that is connected with cassette holder 1 removable seal, cassette holder 1 is provided with binding post 3, cassette holder 1 bottom is provided with relief hole 4, be provided with the pressing plate 5 of hollow on the cassette holder 1 in relief hole 4 inboards, be provided with the sealing gasket 6 and the sealing gasket 7 of two-layer hollow between pressing plate 5 and the cassette holder 1, be provided with one deck pressure release film 8 between sealing gasket 6 and the sealing gasket 7, pressure release film 8 adopts Copper Foil or tinfoil paper, be provided with protective cover 9 in relief hole 4 outsides on the cassette holder 1 with downwardly facing opening, protective cover 9 is a cube structure, be convenient to any direction rotation protective cover 9 adjust its opening towards.Be provided with between cassette holder 1 and the lid 2 between bonding wire 10(cassette holder 1 and the motor main body 14 and also be provided with bonding wire, do not show among the figure), bonding wire 10 is bolted to connection with cassette holder 1 and lid 2 respectively, cassette holder 1 and lid 2 lower ends are provided with the line outlet 11 of splitted structure, and line outlet 11 inboards are provided with ball face sealing circle 12 and ball face sealing circle 13.
As Fig. 2, shown in 4, adopt the fit system on " plane+Ο shape sealing strip 15+ cambered surface " between motor main body 14 and the cassette holder 1, wherein the mating surface of motor main body 14 is the plane, the mating surface of cassette holder 1 is a cambered surface, compress between the plane that Ο shape sealing strip 15 is located at motor 14 and the cambered surface of cassette holder 1 and by bolt 16 and be connected, sealing strip generation strain by the compression suitable material reaches good sealing effectiveness, can leave certain interval between cassette holder 1 and the motor main body 14, adopt the plane of the motor main body 14 1 side correspondences of cambered surface not need processing, play good sealed insulation effect.The connection mating surface of cassette holder 1 is a cambered surface, and this cambered surface comprises two kinds of forms, and a kind of is semi-circular groove, can process, and also can cast out, and by adopting the sealing ring of suitable dimension and hardness, can satisfy the IP68 requirement of shelter; Another kind is 1/4 circular recess, and shape is fairly simple, can process, and more conveniently casts out, and by adopting the sealing ring of suitable dimension and hardness, can satisfy the IP55 requirement.
When accidental explosion occurring in the terminal box, energy penetrates pressure release film 8, spreads out of by protective cover 9 opening down, avoids the butted line box to damage and jeopardize peripheral staff's personal safety; The setting of bonding wire 10 makes cassette holder 1 have identical current potential with lid 2, can farthest avoid terminal box to produce the possibility of partial discharge; Line outlet 11 inboards are provided with ball face sealing circle 12 and ball face sealing circle 13, and reach reliable sealing performance by designing certain decrement, have saved the terminal box bucket, and are simple in structure, easier for installation.
Claims (5)
1. the high pressure compact(ing) machine is with explosion-proof main electrical scheme box, comprise the cassette holder that is connected with motor main body removable seal, the lid that is connected with the cassette holder removable seal, be provided with binding post in the cassette holder, it is characterized in that: described cassette holder bottom is provided with relief hole, be provided with the pressing plate of hollow on the cassette holder in the relief hole inboard, be provided with the sealing gasket of two-layer hollow between pressing plate and the cassette holder, be provided with one deck pressure release film between the two-layer sealing gasket, be provided with protective cover in the relief hole outside on the cassette holder with opening.
2. high pressure compact(ing) machine according to claim 1 is characterized in that: be provided with bonding wire between described cassette holder and the lid with explosion-proof main electrical scheme box.
3. high pressure compact(ing) machine according to claim 1 and 2 is with explosion-proof main electrical scheme box, and it is characterized in that: described cassette holder and lid lower end are provided with the line outlet of splitted structure, and the line outlet inboard is provided with twice ball face sealing circle.
4. high pressure compact(ing) machine according to claim 1 and 2 is with explosion-proof main electrical scheme box, and it is characterized in that: described protective cover is a cube structure, and its opening is provided with down.
5. high pressure compact(ing) machine according to claim 1 and 2 is with explosion-proof main electrical scheme box, it is characterized in that: the joint face of described cassette holder and motor main body is provided with Ο shape sealing strip, and the contact-making surface of Ο type sealing strip and cassette holder and motor main body is respectively cambered surface and planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105224392A CN101958602B (en) | 2010-10-28 | 2010-10-28 | Anti-explosion main junction box for high-voltage compact motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105224392A CN101958602B (en) | 2010-10-28 | 2010-10-28 | Anti-explosion main junction box for high-voltage compact motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101958602A true CN101958602A (en) | 2011-01-26 |
| CN101958602B CN101958602B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105224392A Active CN101958602B (en) | 2010-10-28 | 2010-10-28 | Anti-explosion main junction box for high-voltage compact motor |
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| CN (1) | CN101958602B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081306A (en) * | 2011-03-31 | 2013-05-01 | 株式会社小松制作所 | Generator motor and work machine |
| CN103095032A (en) * | 2011-11-04 | 2013-05-08 | 江苏航天动力机电有限公司 | Motor rainproof junction box |
| CN108267054A (en) * | 2018-03-13 | 2018-07-10 | 中国工程物理研究院化工材料研究所 | A kind of excellent explosive container of dynamic sealing performance |
| CN110445070A (en) * | 2019-07-24 | 2019-11-12 | 扬州利家科技有限公司 | A kind of explosion-proof main junction box for high-voltage compact motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2691149Y (en) * | 2004-03-11 | 2005-04-06 | 南阳防爆集团有限公司 | High voltage connection terminal box for new motor |
| CN101425717A (en) * | 2008-11-19 | 2009-05-06 | 浙江尔格科技有限公司 | Explosion prevention type terminal kit for cable coupling |
| CN101630821A (en) * | 2009-07-31 | 2010-01-20 | 刘绍东 | Magnesium-aluminum alloy photovoltaic cell junction box |
| CN201839126U (en) * | 2010-10-28 | 2011-05-18 | 南阳防爆集团股份有限公司 | Explosion-proof main junction box for high-voltage compact motor |
-
2010
- 2010-10-28 CN CN2010105224392A patent/CN101958602B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2691149Y (en) * | 2004-03-11 | 2005-04-06 | 南阳防爆集团有限公司 | High voltage connection terminal box for new motor |
| CN101425717A (en) * | 2008-11-19 | 2009-05-06 | 浙江尔格科技有限公司 | Explosion prevention type terminal kit for cable coupling |
| CN101630821A (en) * | 2009-07-31 | 2010-01-20 | 刘绍东 | Magnesium-aluminum alloy photovoltaic cell junction box |
| CN201839126U (en) * | 2010-10-28 | 2011-05-18 | 南阳防爆集团股份有限公司 | Explosion-proof main junction box for high-voltage compact motor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103081306A (en) * | 2011-03-31 | 2013-05-01 | 株式会社小松制作所 | Generator motor and work machine |
| US9160208B2 (en) | 2011-03-31 | 2015-10-13 | Komatsu Ltd. | Generator motor and work machine |
| CN103081306B (en) * | 2011-03-31 | 2016-04-06 | 株式会社小松制作所 | Generator Motor and Work Machine |
| CN103095032A (en) * | 2011-11-04 | 2013-05-08 | 江苏航天动力机电有限公司 | Motor rainproof junction box |
| CN108267054A (en) * | 2018-03-13 | 2018-07-10 | 中国工程物理研究院化工材料研究所 | A kind of excellent explosive container of dynamic sealing performance |
| CN108267054B (en) * | 2018-03-13 | 2023-11-10 | 中国工程物理研究院化工材料研究所 | Explosion container with excellent dynamic sealing performance |
| CN110445070A (en) * | 2019-07-24 | 2019-11-12 | 扬州利家科技有限公司 | A kind of explosion-proof main junction box for high-voltage compact motor |
| CN110445070B (en) * | 2019-07-24 | 2020-08-07 | 扬州利家科技有限公司 | Explosion-proof main junction box for high-voltage compact motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101958602B (en) | 2012-06-27 |
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