CN109067069A - A kind of light-duty positive pressure explosion-proof type box type electric generator - Google Patents
A kind of light-duty positive pressure explosion-proof type box type electric generator Download PDFInfo
- Publication number
- CN109067069A CN109067069A CN201811007790.0A CN201811007790A CN109067069A CN 109067069 A CN109067069 A CN 109067069A CN 201811007790 A CN201811007790 A CN 201811007790A CN 109067069 A CN109067069 A CN 109067069A
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- CN
- China
- Prior art keywords
- box
- positive pressure
- explosion
- box base
- proof
- 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.)
- Pending
Links
- 238000004880 explosion Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000009833 condensation Methods 0.000 claims abstract description 6
- 239000002360 explosive Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000012795 verification Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 17
- 241001347978 Major minor Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a kind of light-duty positive pressure explosion-proof type box type electric generators, belong to box type electric generator technical field, including box base, the drive end bearing bracket formula bearing for being used to support shaft front end is installed in axle stretch end, the rear end cover type bearing for being used to support shaft rear end is installed in non-shaft stretching end, positive pressure blow device is fixed in box base lateral surface, pressure release unit is equipped on positive pressure blow device, air-source inflow pipe and external positive pressure pipeline, connecting flange is fixed in air-source inflow tube end, positive pressure gassing pipe is equipped in box base inner, the air inlet of the positive pressure gassing pipe is connected with external positive pressure pipeline；Carbon sealing ring is equipped between axle stretch end shaft and drive end bearing bracket；The wireless ground detection device of rotor is installed in non-shaft stretching end；Anti-explosion heating device for moisture-proof, anti-condensation frost is installed in box base；By above-mentioned improvement and experimental verification, the present invention has obtained certification of explosion protection, realizes the purpose that generator can be safely operated in explosion-proof environment.
Description
Technical field
The invention belongs to box type electric generator technical field, in particular to a kind of light-duty positive pressure explosion-proof type box type electric generator.
Background technique
The box type electric generator demand that explosive gas atmosphere uses increasingly is increased both at home and abroad at present.Especially natural gas
Pipeline top pressure power generation, the localization process requirement of offshore platform generator and enterprise, factory's explosive gas atmosphere use
Box type electric generator.It requires according in explosive gas atmosphere specified in national standard GB/T3836 using explosion-proof electric machine, and existing rank
Section is for the product that needs two pole generator of explosion-proof type to be used not to be applicable under enterprise, factory's explosive gas atmosphere.
For above situation, in conjunction with market actual demand, my company has applied for that Chinese patent notification number is
CN104362790B discloses a kind of 2 pole box type electric generators, solves the above problem to a certain extent, on this basis, knot
Positive-pressure explosion-proof principle is closed, my company has continued to advanced optimize design.
Summary of the invention
It is an object of that present invention to provide a kind of light-duty positive pressure explosion-proof type box type electric generators；It is taken in order to achieve the above objectives
Technical solution is:
A kind of light-duty positive pressure explosion-proof type box type electric generator, including box base, are equipped in axle stretch end and are used to support shaft front end
Drive end bearing bracket formula bearing, the rear end cover type bearing for being used to support shaft rear end is installed in non-shaft stretching end, on the outside of box base
Face is fixed with positive pressure blow device, and pressure release unit, air-source inflow pipe and external positive pressure pipeline are equipped on positive pressure blow device,
Air-source inflow tube end is fixed with connecting flange, is equipped with positive pressure gassing pipe, the positive pressure gas blow pipe in box base inner
The air inlet in road is connected with external positive pressure pipeline；Carbon sealing ring is equipped between axle stretch end shaft and drive end bearing bracket；It is stretched in non-axis
End is equipped with the wireless ground detection device of rotor；Anti-explosion heating device for moisture-proof, anti-condensation frost is installed in box base；
Main junction box on box base uses explosion-proof type terminal box, and the instrument on box base uses explosion-proof type instrument.
Preferably, multiple annular partitions are equipped in preceding backward directions on box inboard wall of base and divide box base
At multiple chambers, multiple through-holes are uniformly provided with around circumferential on the annular partition plate；Positive pressure gassing pipe is located at box base bottom, and
It is arranged across through-hole, positive pressure gassing pipe is equipped with preceding gas outlet and rear gas outlet, and preceding gas outlet is located at box base front end, goes out afterwards
Port is located at box base rear end.
It preferably, further include assistant junction box, the assistant junction box includes temperature measuring junction box and heater connection box, is surveyed
Warm terminal box uses explosion-proof type temperature measuring junction box, and heater connection box uses anti-explosion heating device terminal box.
Preferably, during operation, box base inner healthy tendency pressure is higher than box 50 pa of base outer air pressure.
Preferably, during operation, extraneous flammable, explosive type gas or dust cannot be introduced into box base inner.
The advantageous effect of present invention is that: (1) pass through the setting of setting positive pressure blow device and positive pressure gassing pipe
Guarantee that box base inner healthy tendency pressure is higher than box base outer air pressure and external flammable explosive gas is prevented to enter box machine
Seat is internal: (2) are equipped with carbon sealing ring between axle stretch end shaft and drive end bearing bracket, improve entirety so as to avoid the generation of spark
Explosive-proof grade；(3) the wireless ground detection device of rotor is installed in non-shaft stretching end and replaces original slip ring-carbon brush composition rotor
Ground detection device realizes the contactless detection for not generating spark mode, meets high-level requirement of explosion proof；(4) in case
Anti-explosion heating device for moisture-proof, anti-condensation frost is installed, primarily to preventing motor when long-time is shut down in formula base
There is phenomena such as moisture, solidifying frost to meet high-level requirement of explosion proof in inside；(5) major-minor terminal box is all made of blast resistance construction type,
Meet the requirement of explosion proof in GB/T3836 " explosive atmosphere ".By above-mentioned improvement and experimental verification, the present invention is prevented
Quick-fried certification, further improves explosive-proof grade.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the rearview of Fig. 1；
Fig. 3 is in Fig. 1 along sectional view along A-A；
Fig. 4 is the structural schematic diagram of positive pressure gassing pipe.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
As shown in Figures 1 to 4, a kind of light-duty positive pressure explosion-proof type box type electric generator, including box base 1 are pacified in axle stretch end
Equipped with the drive end bearing bracket for being used to support shaft front end, the rear end cap for being used to support shaft rear end is installed in non-shaft stretching end, box
1 lateral surface of base is fixed with positive pressure blow device 3, and pressure release unit 7, air-source inflow pipe 6 and outer are equipped on positive pressure blow device 3
Portion's positive pressure pipeline 2 is fixed with connecting flange 5 in 6 end of air-source inflow pipe, has positive pressure gas blow pipe in box 1 laid inside of base
Road 12, the air inlet of the positive pressure gassing pipe 12 are connected with external positive pressure pipeline 2；Between axle stretch end shaft and drive end bearing bracket
Equipped with carbon sealing ring；The wireless ground detection device of rotor is installed in non-shaft stretching end；It is equipped in box base 1 for preventing
The anti-explosion heating device of damp, anti-condensation frost；Main junction box 9 on box base 1 uses explosion-proof type terminal box, on box base 1
Instrument uses explosion-proof type instrument.
Multiple annular partitions 10 are equipped in preceding backward directions on box 1 inner wall of base and are divided into box base 1
Multiple chambers are uniformly provided with multiple through-holes 11 around circumferential on annular partition 10；Positive pressure gassing pipe 12 is located at box 1 bottom of base
Portion, and pass through through-hole 11 and be arranged, positive pressure gassing pipe 12 is equipped with preceding gas outlet 13 and rear gas outlet 14, and preceding gas outlet 13 is located at case
1 front end of formula base, rear gas outlet 14 are located at box 1 rear end of base.
It wherein, further include assistant junction box, the assistant junction box includes temperature measuring junction box 8 and heater connection box 15,
Temperature measuring junction box 14 uses explosion-proof type temperature measuring junction box, and heater connection box 15 uses anti-explosion heating device terminal box.
At work, positive pressure blow device 3 works the present invention, guarantees that box 1 inside healthy tendency pressure of base is higher than box machine
Seat 1 external pressure, 50 pa, box base 1 are in sealing state, according to the actual situation preferably, extraneous flammable, explosive type gas
Or dust cannot be introduced into box base inner.
The advantageous effect of present invention is that: (1) pass through the setting of setting positive pressure blow device and positive pressure gassing pipe
Guarantee that box base inner healthy tendency pressure is higher than box base outer air pressure and external flammable explosive gas is prevented to enter box machine
Seat is internal: (2) are equipped with carbon sealing ring between axle stretch end shaft and drive end bearing bracket, improve entirety so as to avoid the generation of spark
Explosive-proof grade；(3) the wireless ground detection device of rotor is installed in non-shaft stretching end and replaces original slip ring-carbon brush composition rotor
Ground detection device realizes the contactless detection for not generating spark mode, meets high-level requirement of explosion proof；(4) in case
Anti-explosion heating device for moisture-proof, anti-condensation frost is installed, primarily to preventing motor when long-time is shut down in formula base
There is phenomena such as moisture, solidifying frost to meet high-level requirement of explosion proof in inside；(5) major-minor terminal box is all made of blast resistance construction type,
Meet the requirement of explosion proof in GB/T3836 " explosive atmosphere ".By above-mentioned improvement and experimental verification, the present invention is prevented
Quick-fried certification, further improves explosive-proof grade.Finally, it should be noted that above embodiments are only to illustrate technical side of the invention
Case, rather than its limitations；Although the present invention is described in detail referring to the foregoing embodiments, the ordinary skill people of this field
Member is it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of skill
Art feature is equivalently replaced, but these are modified or replaceed, each reality of the present invention that it does not separate the essence of the corresponding technical solution
Apply the spirit and scope of a technical solution.
Claims (5)
1. a kind of light-duty positive pressure explosion-proof type box type electric generator, including box base, before axle stretch end is equipped with and is used to support shaft
The drive end bearing bracket formula bearing at end, the rear end cover type bearing for being used to support shaft rear end is equipped in non-shaft stretching end, which is characterized in that
Box base lateral surface is fixed with positive pressure blow device, and pressure release unit, air-source inflow pipe and outer are equipped on positive pressure blow device
Portion's positive pressure pipeline is fixed with connecting flange in air-source inflow tube end, is equipped with positive pressure gassing pipe, institute in box base inner
The air inlet for stating positive pressure gassing pipe is connected with external positive pressure pipeline；Carbon is equipped between axle stretch end shaft and drive end bearing bracket to seal
Ring；The wireless ground detection device of rotor is installed in non-shaft stretching end；It is equipped in box base for the anti-of moisture-proof, anti-condensation frost
Quick-fried type heater；Main junction box on box base uses explosion-proof type terminal box, and the instrument on box base uses explosion-proof type instrument
Table.
2. light-duty positive pressure explosion-proof type box type electric generator according to claim 1, which is characterized in that on box inboard wall of base
Multiple annular partitions are equipped in preceding backward directions and box base is divided into multiple chambers, on the annular partition plate around circumferential equal
It is even to be equipped with multiple through-holes；Positive pressure gassing pipe is located at box base bottom, and passes through through-hole and be arranged, before positive pressure gassing pipe is equipped with
Gas outlet and rear gas outlet, preceding gas outlet are located at box base front end, and rear gas outlet is located at box base rear end.
3. light-duty positive pressure explosion-proof type box type electric generator according to claim 1 or 2, which is characterized in that further include that auxiliary connects
Wire box, the assistant junction box include temperature measuring junction box and heater connection box, and temperature measuring junction box uses the wiring of explosion-proof type thermometric
Box, heater connection box use anti-explosion heating device terminal box.
4. light-duty positive pressure explosion-proof type box type electric generator according to claim 3, which is characterized in that during operation, box machine
The internal healthy tendency pressure of seat is higher than box 50 pa of base outer air pressure.
5. light-duty positive pressure explosion-proof type box type electric generator according to claim 3, which is characterized in that during operation, the external world can
Combustion, explosive type gas or dust cannot be introduced into box base inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007790.0A CN109067069A (en) | 2018-08-31 | 2018-08-31 | A kind of light-duty positive pressure explosion-proof type box type electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007790.0A CN109067069A (en) | 2018-08-31 | 2018-08-31 | A kind of light-duty positive pressure explosion-proof type box type electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109067069A true CN109067069A (en) | 2018-12-21 |
Family
ID=64758967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007790.0A Pending CN109067069A (en) | 2018-08-31 | 2018-08-31 | A kind of light-duty positive pressure explosion-proof type box type electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109067069A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768439A (en) * | 2019-12-11 | 2020-02-07 | 卧龙电气南阳防爆集团股份有限公司 | Positive pressure explosion-proof type is exciter shaft through sealing assembly for generator |
| CN111404344A (en) * | 2019-10-09 | 2020-07-10 | 吴岩 | Explosion-proof three-phase asynchronous motor suitable for mine working condition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134857A (en) * | 1998-08-19 | 2000-05-12 | Yaskawa Electric Corp | Rotating-type motor |
| CN101022237A (en) * | 2007-03-23 | 2007-08-22 | 中国北车集团永济电机厂 | Asynchronous motor for oil field welldrilling |
| CN201656693U (en) * | 2010-03-31 | 2010-11-24 | 上海Abb电机有限公司 | Automatic discharge device of explosion-proof motor condensation water |
| CN201910689U (en) * | 2010-12-27 | 2011-07-27 | 佳木斯电机股份有限公司 | Positive-pressure shell type three-phase asynchronous motor |
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| CN102983809A (en) * | 2012-11-16 | 2013-03-20 | 成都宏天电传工程有限公司 | Alternating current variable frequency motor control system based on hand wheel and foot switch and control method thereof |
| CN203674886U (en) * | 2014-01-17 | 2014-06-25 | 南阳防爆（苏州）特种装备有限公司 | Positive pressure ventilation control apparatus for explosion-proof motor |
| CN104362790A (en) * | 2014-12-08 | 2015-02-18 | 南阳防爆集团股份有限公司 | Two-pole light box-type generator |
| CN105356648A (en) * | 2015-12-03 | 2016-02-24 | 卧龙电气南阳防爆集团股份有限公司 | High-power, low-speed and positive-pressure type explosion-proof induction motor |
| CN205231976U (en) * | 2015-08-21 | 2016-05-11 | 芜湖环球汽车配件有限公司 | High -efficiency three -phase asynchronous motor |
| CN106560984A (en) * | 2015-09-30 | 2017-04-12 | 江苏金虎电器有限公司 | Motor for oil field drilling |
| CN108023451A (en) * | 2017-12-14 | 2018-05-11 | 卧龙电气集团股份有限公司 | A kind of positive-pressure explosion-proof generator |
| CN207638431U (en) * | 2017-12-14 | 2018-07-20 | 卧龙电气集团股份有限公司 | A kind of ocean platform box lightweight generators of 25MW |
-
2018
- 2018-08-31 CN CN201811007790.0A patent/CN109067069A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000134857A (en) * | 1998-08-19 | 2000-05-12 | Yaskawa Electric Corp | Rotating-type motor |
| CN101022237A (en) * | 2007-03-23 | 2007-08-22 | 中国北车集团永济电机厂 | Asynchronous motor for oil field welldrilling |
| CN201656693U (en) * | 2010-03-31 | 2010-11-24 | 上海Abb电机有限公司 | Automatic discharge device of explosion-proof motor condensation water |
| CN201910689U (en) * | 2010-12-27 | 2011-07-27 | 佳木斯电机股份有限公司 | Positive-pressure shell type three-phase asynchronous motor |
| CN201928122U (en) * | 2011-01-17 | 2011-08-10 | 江西特种电机股份有限公司 | Auxiliary wiring box of flameproof-type motor |
| CN102983809A (en) * | 2012-11-16 | 2013-03-20 | 成都宏天电传工程有限公司 | Alternating current variable frequency motor control system based on hand wheel and foot switch and control method thereof |
| CN203674886U (en) * | 2014-01-17 | 2014-06-25 | 南阳防爆（苏州）特种装备有限公司 | Positive pressure ventilation control apparatus for explosion-proof motor |
| CN104362790A (en) * | 2014-12-08 | 2015-02-18 | 南阳防爆集团股份有限公司 | Two-pole light box-type generator |
| CN205231976U (en) * | 2015-08-21 | 2016-05-11 | 芜湖环球汽车配件有限公司 | High -efficiency three -phase asynchronous motor |
| CN106560984A (en) * | 2015-09-30 | 2017-04-12 | 江苏金虎电器有限公司 | Motor for oil field drilling |
| CN105356648A (en) * | 2015-12-03 | 2016-02-24 | 卧龙电气南阳防爆集团股份有限公司 | High-power, low-speed and positive-pressure type explosion-proof induction motor |
| CN108023451A (en) * | 2017-12-14 | 2018-05-11 | 卧龙电气集团股份有限公司 | A kind of positive-pressure explosion-proof generator |
| CN207638431U (en) * | 2017-12-14 | 2018-07-20 | 卧龙电气集团股份有限公司 | A kind of ocean platform box lightweight generators of 25MW |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404344A (en) * | 2019-10-09 | 2020-07-10 | 吴岩 | Explosion-proof three-phase asynchronous motor suitable for mine working condition |
| CN111404343A (en) * | 2019-10-09 | 2020-07-10 | 吴岩 | Explosion-proof three-phase asynchronous motor suitable for mine working condition |
| CN111404343B (en) * | 2019-10-09 | 2022-03-25 | 青岛天一集团红旗电机有限公司 | Explosion-proof three-phase asynchronous motor suitable for mine working condition |
| CN111404344B (en) * | 2019-10-09 | 2022-07-08 | 江苏锡安达防爆股份有限公司 | Explosion-proof three-phase asynchronous motor suitable for mine working condition |
| CN110768439A (en) * | 2019-12-11 | 2020-02-07 | 卧龙电气南阳防爆集团股份有限公司 | Positive pressure explosion-proof type is exciter shaft through sealing assembly for generator |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 1801 Dushan Avenue, Nanyang City, Henan Province Applicant after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: No. 1801, Dushan Avenue, Nanyang City, Henan Province Applicant before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Country or region before: China Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |