CN203608058U - Bipolar flameproof brushless excitation synchronous generator - Google Patents
Bipolar flameproof brushless excitation synchronous generator Download PDFInfo
- Publication number
- CN203608058U CN203608058U CN201320768994.2U CN201320768994U CN203608058U CN 203608058 U CN203608058 U CN 203608058U CN 201320768994 U CN201320768994 U CN 201320768994U CN 203608058 U CN203608058 U CN 203608058U
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- China
- Prior art keywords
- support
- cast iron
- armature spindle
- end cap
- exciter
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- Expired - Lifetime
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- 230000005284 excitation Effects 0.000 title claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 19
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a bipolar flameproof brushless excitation synchronous generator. The generator comprises a cylindrical support, and cast iron end caps are fixedly connected to two ends of the support. A stator iron core is arranged inside the support. A rotor iron core is inserted into a central hole of the stator iron core and is connected to a rotor shaft, one end of which protrudes out of one of the cast iron end caps and is exposed outside. Inner fans are symmetrically arranged on the rotor shaft on two sides of the rotor iron core. A rotary rectification device and an exciter armature are arranged on the rear part of the rotor shaft from front to back, and an exciter stator is arranged on the radial outer side of the exciter armature. A flameproof conjunction box is disposed on a side part of the support. A rear end cover of the support is provided with a fan cover for air guiding. A tail end of the rotor shaft passes through the cast iron end cap at the rear end of the support and extends into the fan cover. An outer fan is arranged on the tail end of the rotor shaft. The generator is safe, reliable, simple in structure and easy for installation and maintenance. The generator is a breakthrough in the field of generators for flameproof sites, and fills a gap in the market. During working, temperature increase and noise of the generator are low, and efficiency is high.
Description
Technical field
The utility model relates to a kind of brushless excitation synchronous generator, particularly a kind of 2 utmost point flame-proof type brushless excitation synchronous generators.
Background technology
2 utmost point flame-proof type brushless excitation synchronous generators form based on flameproof enclosure and brushless excitation generator technological development, can be used for inflammable, explosive imflammable gas place.It is through electromagnetic optimize and reasonably wind path design reduction temperature rise, brushless excitation system has effectively avoided having brush excitation carbon dust to pile up and emission problem in flameproof enclosure, can be reliable and stable be applied to oil, coal, chemical industry, the occasions such as natural gas line conveying, be mainly used in petrochemical industry waste heat, top pressure power generation, pipeline is carried top pressure power generation, remote districts dangerous place generating, dangerous place vehicular power generation and emergency power generation, the generator that has reasonably solved dangerous gas place uses problem, to economizing on resources, energy-conserving and environment-protective, improving electrifing degree is significant.At present domestic do not have manufacturer production 2 utmost point flame-proof type brushless excitation synchronous generators, on market, lack safe and reliable, easy for installation, safeguard simple two utmost point flame-proof type brushless excitation synchronous generators.
Summary of the invention
The purpose of this utility model be to provide a kind of safe and reliable, easy for installation, safeguard simple two utmost point flame-proof type brushless excitation synchronous generators.
For achieving the above object, two utmost point flame-proof type brushless excitation synchronous generators of the present utility model comprise tubular support, and support two ends are fixedly connected with cast iron end cap; Base inner is provided with stator core, in the centre bore of stator core, is inserted with rotor core, and rotor core is connected with armature spindle, and one end of armature spindle is stretched out cast iron end cap and is exposed to outside; The one end of stretching out cast iron end cap take armature spindle is front end, on the armature spindle of rotor core both sides, be arranged with internal fan, armature spindle rear portion is provided with rotary rectification device and armature of exciter after by forward direction, armature of exciter is enclosed within on armature spindle by axle sleeve and its radial outside is provided with exciter stator, and exciter stator is contained on described support by support; On described cast iron end cap, be connected with sliding bearing; The lead-out wire of armature of exciter is connected on rotary rectification device, and the other end of rotary rectification device connects main rotor lead-out wire; Support sidepiece is provided with explosion-proof terminal box; Support rear head has been provided with the fan guard of wind-guiding effect, and the tail end of armature spindle passes the cast iron end cap of support rear end and stretches into fan guard, and the tail end of armature spindle is provided with external fan.
On described tubular support and cast iron end cap, be equipped with many radiating ribs and/or fin, between radiating ribs and/or fin, form heat dissipation wind channel.
Described support and cast iron end cap composition flameproof enclosure, the composition surface of flameproof enclosure and each parts is flameproof joint.
Described rotary rectification device is arranged on described armature spindle by bolt, and described cast iron end cap is fixedly connected with support in the mode being spirally connected.
The iron core of described stator core and described exciter stator is all repeatedly pressed into by silicon steel sheet.
The punching that described rotor core is 1 millimeter or 1.5 millimeters by thickness is repeatedly pressed and is formed.
The rotating speed of described rotor is 3000 revs/min or 3600 revs/min.
Two utmost point flame-proof type brushless excitation synchronous generators of the present utility model are simple in structure, safe and reliable, easy for installation and safeguard simple.The use of flameproof enclosure makes motor can be applied to explosion-proof place, realizes the breakthrough of explosion-proof place use generator, makes up the market vacancy.The energy-conserving action of generator meets national energy-saving and reduces discharging policy, and effect is remarkable.In work, generator temperature rise is low, noise is little, efficiency is high.
Accompanying drawing explanation
Fig. 1 removes the structural representation that partly cuts open of the present utility model after terminal box;
Fig. 2 is the left view of the present utility model with terminal box.
Embodiment
As depicted in figs. 1 and 2, two utmost point flame-proof type brushless excitation synchronous generators of the present utility model comprise tubular support 1, and support 1 two ends are fixedly connected with cast iron end cap 2; Support 1 inside is provided with stator core 3, is inserted with rotor core 4 in the centre bore of stator core 3, and rotor core 4 is connected with armature spindle 6, and one end of armature spindle 6 is stretched out cast iron end cap 2 and is exposed to outside; Stretch out cast iron end cap 2 and be exposed to outside one end as front end take armature spindle 6, on the armature spindle 6 of rotor core 4 both sides, be arranged with internal fan 5, armature spindle 6 rear portions are provided with rotary rectification device 7 and armature of exciter 8 after by forward direction, by axle sleeve, (axle sleeve is usual means to armature of exciter 8, figure do not show) hot jacket on armature spindle 6 and its radial outside be provided with exciter stator 9, exciter stator 9 is contained on described support 1 by support 10.
On described cast iron end cap 2, be connected with sliding bearing 11; The lead-out wire (not shown) of armature of exciter 8 is connected on rotary rectification device 7, and the other end of rotary rectification device 7 connects main rotor lead-out wire 12; Support 1 sidepiece is provided with explosion-proof terminal box 13.
Support 1 rear head has been provided with the fan guard 14 of wind-guiding effect, and the tail end of armature spindle 6 passes the cast iron end cap 2 of support 1 rear end and stretches into fan guard 14, and the tail end of armature spindle 6 is provided with aluminum or plastic external fan 15.
On described tubular support 1 and cast iron end cap 2, be equipped with many radiating ribs and/or fin 16, between radiating ribs and/or fin 16, form heat dissipation wind channel 17.When work, thereby external fan 15 rotates the air-flow assurance the utility model rapid heat dissipation producing along support heat dissipation wind channel 17 directions together with axle.
Described support 1 and cast iron end cap 2 form flameproof enclosure, and the composition surface of flameproof enclosure and each parts is flameproof joint.Described rotary rectification device 7 is arranged on described armature spindle 6 by bolt, and described cast iron end cap 2 is fixedly connected with support 1 in the mode being spirally connected.
The iron core of described stator core 3 and described exciter stator 9 is all repeatedly pressed into by silicon steel sheet.The punching that described rotor core 4 is 1 millimeter or 1.5 millimeters by thickness is repeatedly pressed and is formed.The rotating speed of described rotor is 3000 revs/min or 3600 revs/min.
Wherein, described fan, rotary rectification device 7, with silicon steel sheet change stator core 3, the non-salient pole punching of pressure zone radial ducts change the rotor core 4, armature of exciter 8, exciter stator 9 of pressure zone radial ducts, without dimension band, etc. parts be existing mature technology, its concrete structure no longer describes in detail.
In the utility model, the perforation position of flameproof enclosure and axle meets the I class, the requirement of II class electric clearance that in GB3836.3-2010, stipulate, and explosion-proof terminal box 13 adopts cast iron explosion-proof terminal box 13.
When manufacture, stator core 3 is rolled off the production line after overall dipping lacquer and is pressed into support 1, after exciter stator 9 iron cores 3 roll off the production line and are directly pressed into support 1 or mounting bracket after dipping lacquer, belt supporting frame is pressed into support 1 other end.Radiating ribs on support 1 and/or fin 16 and heat dissipation wind channel 17 energy efficiently radiates heats, guarantee that the utility model normally moves.
The punching that rotor core 4 is 1mm or 1.5mm by thickness repeatedly presses after heat to be enclosed within on axle, the coil of copper bar coiling moulding is arranged in core slots, notch is squeezed into slot wedge, and (rotor coil, core slots, slot wedge etc. are existing routine techniques, figure does not show), end winding uses without dimension band colligation dipping lacquer and solidifies; Armature of exciter 8 is by axle sleeve hot jacket on armature spindle 6, and its lead-out wire is connected on rotary rectification device 7, and rotary rectification device 7 uses bolt to be arranged on axle, and its other end connects main rotor lead-out wire 12.After internal fan 5 is joined key, hot jacket is arranged on two ends of rotor (figure does not show installation internal fan 5 key used); Armature spindle 6 and connected rotatable parts compact conformation thereof, be easy to install.Cast iron end cap 2 of the present utility model, makes it coordinate with support 1 by processing excircles and forms explosion-insulation surface.
Each parts assembling sequence is substantially:
First in the interior installation stator core 3 of support 1, to insert in stator core 3 with the armature spindle 6 of the parts such as rotor core 4, rotary rectification device 7, armature of exciter 8 and internal fan 5 again, then will put together on the cast iron end cap 2 of radiating ribs and/or fin 16 on the support 1 at stator two ends with bolt; Then sliding bearing 11 use bolts are arranged on cast iron end cap 2, and adjust rotor airgap and flame proof gap formation explosion suppresion surface and flame proof gap.
Then, external fan 15 is installed to armature spindle 6 tail ends, and fan guard 14 is arranged on to support 1 tail end and external fan 15 is covered on to inside.Finally that explosion-proof terminal box 13 use bolts are put together on to support 1 one sides.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. two utmost point flame-proof type brushless excitation synchronous generators, comprise tubular support, it is characterized in that: support two ends are fixedly connected with cast iron end cap; Base inner is provided with stator core, in the centre bore of stator core, is inserted with rotor core, and rotor core is connected with armature spindle, and one end of armature spindle is stretched out cast iron end cap and is exposed to outside; The one end of stretching out cast iron end cap take armature spindle is front end, on the armature spindle of rotor core both sides, be arranged with internal fan, armature spindle rear portion is provided with rotary rectification device and armature of exciter after by forward direction, armature of exciter is enclosed within on armature spindle by axle sleeve and its radial outside is provided with exciter stator, and exciter stator is contained on described support by support;
On described cast iron end cap, be connected with sliding bearing; The lead-out wire of armature of exciter is connected on rotary rectification device, and the other end of rotary rectification device connects main rotor lead-out wire; Support sidepiece is provided with explosion-proof terminal box;
Support rear head has been provided with the fan guard of wind-guiding effect, and the tail end of armature spindle passes the cast iron end cap of support rear end and stretches into fan guard, and the tail end of armature spindle is provided with external fan.
2. two utmost point flame-proof type brushless excitation synchronous generators according to claim 1, is characterized in that: on described tubular support and cast iron end cap, be equipped with many radiating ribs and/or fin, between radiating ribs and/or fin, form heat dissipation wind channel.
3. two utmost point flame-proof type brushless excitation synchronous generators according to claim 1, is characterized in that: described support and cast iron end cap composition flameproof enclosure, the composition surface of flameproof enclosure and each parts is flameproof joint.
4. according to two utmost point flame-proof type brushless excitation synchronous generators described in any one in claims 1 to 3, it is characterized in that: described rotary rectification device is arranged on described armature spindle by bolt, described cast iron end cap is fixedly connected with support in the mode being spirally connected.
5. according to two utmost point flame-proof type brushless excitation synchronous generators described in any one in claims 1 to 3, it is characterized in that: the iron core of described stator core and described exciter stator is all repeatedly pressed into by silicon steel sheet.
6. two utmost point flame-proof type brushless excitation synchronous generators according to claim 4, is characterized in that: the punching that described rotor core is 1 millimeter or 1.5 millimeters by thickness is repeatedly pressed and formed.
7. two utmost point flame-proof type brushless excitation synchronous generators according to claim 6, is characterized in that: the rotating speed of rotor is 3000 revs/min or 3600 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768994.2U CN203608058U (en) | 2013-11-29 | 2013-11-29 | Bipolar flameproof brushless excitation synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768994.2U CN203608058U (en) | 2013-11-29 | 2013-11-29 | Bipolar flameproof brushless excitation synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203608058U true CN203608058U (en) | 2014-05-21 |
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ID=50720717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320768994.2U Expired - Lifetime CN203608058U (en) | 2013-11-29 | 2013-11-29 | Bipolar flameproof brushless excitation synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203608058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607090A (en) * | 2013-11-29 | 2014-02-26 | 南阳防爆集团股份有限公司 | Two-pole flame-proof type brushless excitation synchronous generator |
| CN114856823A (en) * | 2022-05-09 | 2022-08-05 | 西安空天机电智能制造有限公司 | Air-cooled rotor engine's cooling structure and unmanned aerial vehicle |
-
2013
- 2013-11-29 CN CN201320768994.2U patent/CN203608058U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607090A (en) * | 2013-11-29 | 2014-02-26 | 南阳防爆集团股份有限公司 | Two-pole flame-proof type brushless excitation synchronous generator |
| CN114856823A (en) * | 2022-05-09 | 2022-08-05 | 西安空天机电智能制造有限公司 | Air-cooled rotor engine's cooling structure and unmanned aerial vehicle |
| CN114856823B (en) * | 2022-05-09 | 2023-11-10 | 西安空天机电智能制造有限公司 | Cooling structure of air-cooled rotor engine and unmanned aerial vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |