CN202978661U - Brushless synchronous generator with adjustable thermovent - Google Patents
Brushless synchronous generator with adjustable thermovent Download PDFInfo
- Publication number
- CN202978661U CN202978661U CN 201220594597 CN201220594597U CN202978661U CN 202978661 U CN202978661 U CN 202978661U CN 201220594597 CN201220594597 CN 201220594597 CN 201220594597 U CN201220594597 U CN 201220594597U CN 202978661 U CN202978661 U CN 202978661U
- Authority
- CN
- China
- Prior art keywords
- generator
- thermovent
- exciter
- stator
- rotating shaft
- 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.)
- Expired - Fee Related
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The present utility model relates to the generator field, especially to a brushless synchronous generator. The brushless synchronous generator with the adjustable thermovent comprises a shell, a rotating shaft, a generator stator, a generator rotor, an exciter stator, an exciter armature, a rotation rectifier and a conjunction box, the rotating shaft passes through the shell, the generator rotor, the exciter armature and the rotation rectifier are successively and fixedly arranged on the rotating shaft from the front to the rear, the generator stator and the exciter stator are fixedly arranged inside the shell, the generator stator and the generator rotor are fitted, the exciter stator and the exciter armature are fitted, the conjunction box is fixedly arranged outside the shell, the generator rotor is electrically connected with the exciter armature, and a movable baffle plate is arranged on the thermovent. The movable baffle plate is arranged on the thermovent, the opening degree of the thermovent can be adjusted through the practical working situation and the caloric power of the generator, cooling of a motor can be guaranteed, excessive dust can be prevented, and reliability of work of the motor can be guaranteed.
Description
Technical field
The utility model relates to electrical generator fields, relates in particular to a kind of no-brush synchronous generator.
Background technology
Due to advantages such as electric energy have production and conversion ratio less expensive, and transmission and distribution ratio are easier to, and use and control ratio are more convenient, thereby become modern the most frequently used a kind of energy.And along with the development of national economy, automaticity is more and more higher, and is increasing to the demand of electricity, not only requires electricity consumption quantity, simultaneously power quality also proposed requirement, undoubtedly the performance of synchronous generator also proposed high request.And excitation mode directly has influence on performance, reliability and the specification requirement of generator, so the research of excitation mode has become an important topic of motor development.Originally adopted DC generator to come excitation always, the direct current that namely sends with DC generator, encircle the rotor system group of introducing synchronous generator with brush by the edge, but the continuous increase along with capacity motor, the commutation of direct current machine has become a great problem, and need carbon brush and along ring, have carbon brush abrasion and the carbon brush powder dirty coil insulation of letter and other parts problem.
No-brush synchronous generator is by main generator, AC exciter, and the major parts such as rotating rectifier form, main generator rotor, armature of exciter and rotating rectifier all are contained in rotation together on same axle, due to the material relation, root diameter is subject to strict restriction, generally can not be over 1.2 meters.And the length of rotor body is subject to the restriction of critical speed.When body length reach diameter more than 6 times the time, the Second Critical Speed of rotor will be close to the running speed of motor, in service larger vibration may occur.So the size of large high-speed generator amature is subject to strict restriction.Its rotor size of air cooling motor of 100,000 kilowatts of left and right has reached above-mentioned dimension limit, to increase again capacity motor, only have by the electromagnetic load that increases motor and realize, must strengthen the cooling of motor for this reason, cooling capacity has directly determined the heap(ed) capacity of high-rating generator.
Summary of the invention
Technical problem to be solved in the utility model is to provide the adjustable no-brush synchronous generator of a kind of thermovent, is provided with sideboard on the thermovent of this generator, and the ash quantity fed of the motor that reduces has guaranteed the reliability of machine operation.
the utility model is achieved in that the no-brush synchronous generator that a kind of thermovent is adjustable, comprise casing, rotating shaft, generator unit stator, generator amature, exciter stator, armature of exciter, rotating rectifier and terminal box, casing is passed in described rotating shaft, described generator amature, armature of exciter and rotating rectifier are fixedly mounted in rotating shaft from front to back in turn, described generator unit stator and exciter stator are fixedly mounted in casing, generator unit stator matches with generator amature, exciter stator matches with armature of exciter, described terminal box is fixedly mounted on outside casing, be provided with sideboard on the thermovent of described casing.
The front end of described rotating shaft is connected with the connection steel disc by shaft coupling.
The rear and front end of described casing is respectively arranged with front end housing and rear end cap, is connected by bearing between described rotating shaft and front end housing and rear end cap.
Fan also fixedly is housed in described rotating shaft, and described fan is arranged in casing, and the blowing of fan is facing to generator unit stator and generator amature.
In described terminal box, field regulator is housed.
Described terminal box is fixedly mounted on the top of casing.
Be provided with sideboard on the thermovent of the no-brush synchronous generator that the utility model thermovent is adjustable, can be according to the aperture of generator real work situation and caloric value adjusting thermovent, both guarantee the cooling of motor, and can avoid too much dust again, guaranteed the reliability of machine operation.
Description of drawings
Fig. 1 is the adjustable no-brush synchronous generator structural representation of the utility model thermovent.
In figure: 1 casing, 2 front end housings, 3 rear end caps, 4 rotating shafts, 5 generator unit stators, 6 generator amatures, 7 exciter stators, 8 armature of exciters, 9 rotating rectifiers, 10 terminal boxes, 11 sideboards, 12 shaft couplings, 13 connect steel disc, 14 field regulators, 15 fans.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
as shown in Figure 1, the no-brush synchronous generator that a kind of thermovent is adjustable, comprise casing 1, rotating shaft 4, generator unit stator 5, generator amature 6, exciter stator 7, armature of exciter 8, rotating rectifier 9 and terminal box 10, casing 1 is passed in described rotating shaft 4, described generator amature 6, armature of exciter 8 and rotating rectifier 9 are fixedly mounted in rotating shaft 4 from front to back in turn, described generator unit stator 5 and exciter stator 7 are fixedly mounted in casing 1, generator unit stator 5 matches with generator amature 6, exciter stator 7 matches with armature of exciter 8, described terminal box 10 is fixedly mounted on outside casing 1, usually be provided with thermovent on casing 1, the too small meeting of thermovent has influence on the cooling of motor, and the excessive dust that makes of thermovent is easy to enter into motor internal, affect the reliability of machine operation, in the utility model, be provided with sideboard 11 on the thermovent of described casing 1.
The utility model can further describe into, the front end of described rotating shaft 4 by shaft coupling 12 with connect steel disc 13 and be connected, by connecting steel disc 13 drive rotating shaft 4 rotary electrifications that are connected with diesel engine or steam turbine.
In the present embodiment, the rear and front end of described casing 1 is respectively arranged with front end housing 2 and rear end cap 3, is connected by bearing between described rotating shaft 4 and front end housing 2 and rear end cap 3.
In the present embodiment, in order to guarantee the radiating effect of motor internal, fan 15 is housed fixedly also in described rotating shaft 4, described fan 15 is arranged in casing 1, and the blowing of fan 15 is facing to generator unit stator 5 and generator amature 6.
In the present embodiment, in described terminal box 10, field regulator 14 is housed.
In the present embodiment, described terminal box 10 is fixedly mounted on the top of casing 1, terminal block is housed in terminal box 10 is convenient to draw alternating current.
Claims (6)
1. no-brush synchronous generator that thermovent is adjustable, comprise casing (1), rotating shaft (4), generator unit stator (5), generator amature (6), exciter stator (7), armature of exciter (8), rotating rectifier (9) and terminal box (10), casing (1) is passed in described rotating shaft (4), described generator amature (6), armature of exciter (8) and rotating rectifier (9) are fixedly mounted in rotating shaft (4) from front to back in turn, described generator unit stator (5) and exciter stator (7) are fixedly mounted in casing (1), generator unit stator (5) matches with generator amature (6), exciter stator (7) matches with armature of exciter (8), described terminal box (10) is fixedly mounted on outside casing (1), it is characterized in that: be provided with sideboard (11) on the thermovent of described casing (1).
2. the adjustable no-brush synchronous generator of thermovent as claimed in claim 1 is characterized in that: the front end of described rotating shaft (4) is connected with connection steel disc (13) by shaft coupling (12).
3. the adjustable no-brush synchronous generator of thermovent as claimed in claim 1, it is characterized in that: the rear and front end of described casing (1) is respectively arranged with front end housing (2) and rear end cap (3), is connected by bearing between described rotating shaft (4) and front end housing (2) and rear end cap (3).
4. the adjustable no-brush synchronous generator of thermovent as claimed in claim 1, it is characterized in that: fan (15) also fixedly is housed in described rotating shaft (4), described fan (15) is arranged in casing (1), and the blowing of fan (15) is facing to generator unit stator (5) and generator amature (6).
5. the adjustable no-brush synchronous generator of thermovent as claimed in claim 1, is characterized in that: field regulator (14) is housed in described terminal box (10).
6. the adjustable no-brush synchronous generator of thermovent as claimed in claim 5, it is characterized in that: described terminal box (10) is fixedly mounted on the top of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220594597 CN202978661U (en) | 2012-11-01 | 2012-11-01 | Brushless synchronous generator with adjustable thermovent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220594597 CN202978661U (en) | 2012-11-01 | 2012-11-01 | Brushless synchronous generator with adjustable thermovent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978661U true CN202978661U (en) | 2013-06-05 |
Family
ID=48519684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220594597 Expired - Fee Related CN202978661U (en) | 2012-11-01 | 2012-11-01 | Brushless synchronous generator with adjustable thermovent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978661U (en) |
-
2012
- 2012-11-01 CN CN 201220594597 patent/CN202978661U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207652169U (en) | A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability | |
| CN203104239U (en) | Brushless synchronous generator with dust remover | |
| CN203104240U (en) | Brushless synchronous generator with water-cooled shaft | |
| CN202978646U (en) | Overheating alarm brushless synchronous generator | |
| CN202978661U (en) | Brushless synchronous generator with adjustable thermovent | |
| CN103730996A (en) | Variable-frequency adjustable speed three-phase asynchronous motor | |
| CN202978660U (en) | Short shaft type brushless synchronous generator | |
| CN202957730U (en) | Flexible-connection brushless synchronous generator | |
| CN206432809U (en) | A kind of stable type threephase asynchronous | |
| CN202798395U (en) | High-efficiency three-phase asynchronous motor | |
| CN202978648U (en) | Brushless synchronous generator with dust extraction pipe on thermovent | |
| CN202889086U (en) | Brushless synchronous generator with noise reduction bush | |
| CN202978649U (en) | Atomization on-line dedusting brushless synchronous generator | |
| CN202978647U (en) | Buffer damping brushless synchronous generator | |
| CN201450424U (en) | Frequency-changing three-phase asynchronous motor | |
| CN203608057U (en) | Anti-radiation environmental friendly brushless synchronous generator | |
| CN102780354A (en) | High-efficiency three-phase asynchronous motor | |
| CN106992636A (en) | A kind of restoring on line machine | |
| CN203554194U (en) | Three-phase asynchronous motor with inner fan structure | |
| CN209419401U (en) | A kind of turbojet engine built-in power generation structure | |
| CN202978650U (en) | Water-cooled brushless synchronous generator | |
| CN206302223U (en) | A kind of explosion-proof frequency conversion speed-regulating three-phase asynchronous motor | |
| CN209184400U (en) | A kind of brake motor for wood-based plate panel turnover machine | |
| CN205141791U (en) | Electric motor car and electric motor car is with motor structure of generating electricity certainly thereof | |
| CN108988580A (en) | A kind of Width funtion commutator generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131101 |