CN202978649U - Atomization online dust removal brushless synchronous generator - Google Patents

Abstract

The utility model relates to a generator field especially relates to a brushless synchronous generator. The utility model provides an atomizing is brushless synchronous generator of online dust removal, includes casing, pivot, generator stator, generator rotor, exciter stator, exciter armature, rotary rectifier and terminal box, generator stator and exciter stator are installed on the casing inner wall, and generator stator and generator rotor cooperate, and exciter stator and exciter armature cooperate, terminal box fixed mounting is outside the casing, still install atomizing nozzle in the generator, atomizing nozzle fixed mounting is on the casing, and atomizing nozzle's injection direction is towards pivot and generator rotor. The utility model discloses be equipped with atomizing nozzle in, absorb the dust through atomizing nozzle spun fog, avoided the cover speed of dust on pivot and generator rotor, reduced the frequency of shutting down the dust removal and maintaining, improved the work efficiency of generator indirectly.

Description

Atomization online dust removal brushless synchronous generator

technical field

The utility model relates to the field of generators, in particular to a brushless synchronous generator.

Background technique

Because electric energy has the advantages of relatively economical production and transformation, relatively easy transmission and distribution, and convenient use and control, it has become the most commonly used energy source in modern times. And with the continuous development of the national economy, the degree of automation is getting higher and higher, and the demand for electricity is increasing. Not only the quantity of electricity consumption is required, but also the quality of electricity consumption is required, which undoubtedly affects the performance of synchronous generators. made high demands. The excitation method directly affects the performance, reliability and technical requirements of the generator, so the research on the excitation method has become an important topic in the development of the motor. Originally, DC generators were used for excitation, that is, DC generators were used to generate direct current, and the rotors of synchronous generators were introduced along the ring and brushes. However, with the continuous increase of motor capacity, the commutation of DC motors has been Becomes a big problem and requires carbon brushes and rings, there are carbon brush wear and carbon brush dust pollution coil insulation and other parts problems.

The brushless synchronous generator is composed of main parts such as the main generator, the AC exciter, and the rotating rectifier. The rotor of the main generator, the armature of the exciter, and the rotating rectifier are all installed on the same shaft and rotate together; the performance of the motor and the stability of the motor rotation Related, now the motor will always be stained with a lot of dust because of the rotation when it is working, because the unevenness of the dust affects the dynamic balance of the rotor, so it will cause the motor shaft to vibrate, affecting the normal operation of the generator, and regular cleaning and maintenance is required .

Contents of the invention

The technical problem to be solved by the utility model is to provide an atomization online dust removal brushless synchronous generator, the generator is equipped with an atomization nozzle, and the mist sprayed by the atomization nozzle absorbs dust, avoiding dust on the rotating shaft and power generation The covering speed on the rotor of the machine reduces the frequency of downtime for dust removal maintenance.

The utility model is achieved in the following way: a brushless synchronous generator for atomizing online dust removal, including a casing, a rotating shaft, a generator stator, a generator rotor, an exciter stator, an exciter armature, a rotary rectifier and a junction box. The rotating shaft passes through the casing, the generator rotor, the exciter armature and the rotating rectifier are fixedly installed on the rotating shaft in sequence from front to back, the generator stator and the exciter stator are installed on the inner wall of the casing, the generator stator and the generator The generator rotor is matched, the exciter stator is matched with the exciter armature, the junction box is fixedly installed outside the casing, and an atomizing nozzle is installed inside the generator, and the atomizing nozzle is fixedly installed on the casing. The spraying direction of the atomizing nozzle faces the rotating shaft and the generator rotor.

The casing is provided with cooling vents.

The front end of the rotating shaft is connected with the connecting steel sheet through a coupling.

The front and rear ends of the casing are respectively provided with a front end cover and a rear end cover, and the rotating shaft is connected with the front end cover and the rear end cover through bearings.

A fan is also fixedly installed on the rotating shaft, and the fan is arranged in the casing, and the blowing surface of the fan faces the generator stator and the generator rotor.

The junction box is equipped with an excitation regulator.

The junction box is fixedly installed on the top of the casing.

The utility model is equipped with an atomizing nozzle in the atomizing online dust removal brushless synchronous generator, and the mist sprayed by the atomizing nozzle absorbs the dust, which avoids the covering speed of the dust on the rotating shaft and the generator rotor, and reduces the maintenance cost of stopping the dust removal The frequency indirectly improves the working efficiency of the generator.

Description of drawings

Figure 1 is a schematic diagram of the structure of the utility model atomization online dust removal brushless synchronous generator.

In the figure: 1 casing, 2 front end cover, 3 rear end cover, 4 rotating shaft, 5 generator stator, 6 generator rotor, 7 exciter stator, 8 exciter armature, 9 rotary rectifier, 10 junction box, 11 movable gear Plate, 12 coupling, 13 connecting steel sheet, 14 excitation regulator, 15 fan, 16 atomizing nozzle.

Detailed ways

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content of the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

Example 1

As shown in Figure 1, an atomization online dust removal brushless synchronous generator includes a casing 1, a rotating shaft 4, a generator stator 5, a generator rotor 6, an exciter stator 7, an exciter armature 8, a rotating rectifier 9 and Junction box 10, the rotating shaft 4 passes through the casing 1, the generator rotor 6, the exciter armature 8 and the rotating rectifier 9 are fixedly installed on the rotating shaft 4 from front to back, and the generator stator 5 and the exciter The stator 7 is installed on the inner wall of the casing 1, the generator stator 5 cooperates with the generator rotor 6, the exciter stator 7 cooperates with the exciter armature 8, the junction box 10 is fixedly installed outside the casing 1, and the generator An atomizing nozzle 16 is also installed in the machine, and the atomizing nozzle 16 is fixedly installed on the casing 1 , and the spraying direction of the atomizing nozzle 16 faces the rotating shaft 4 and the generator rotor 6 .

In this embodiment, the casing 1 is provided with a cooling vent 11 .

The utility model can be further described as, the front end of the rotating shaft 4 is connected with the connecting steel sheet 13 through the coupling 12, and the connecting steel sheet 13 is connected with a diesel engine or a steam turbine to drive the rotating shaft 4 to rotate and generate electricity.

In this embodiment, the front and rear ends of the casing 1 are provided with a front end cover 2 and a rear end cover 3 respectively, and the rotating shaft 4 is connected with the front end cover 2 and the rear end cover 3 through bearings.

In this embodiment, in order to ensure the heat dissipation effect inside the motor, a fan 15 is fixedly installed on the rotating shaft 4, and the fan 15 is arranged in the casing 1, and the blowing surface of the fan 15 faces the generator stator 5 and the power generator. Machine rotor 6.

In this embodiment, the junction box 10 is equipped with an excitation regulator 14 .

In this embodiment, the junction box 10 is fixedly installed on the top of the casing 1, and a junction board is installed in the junction box 10 to facilitate the extraction of alternating current.

Claims (7)

1. An atomized online dust removal brushless synchronous generator, including a casing (1), a rotating shaft (4), a generator stator (5), a generator rotor (6), an exciter stator (7), and an exciter armature (8), rotary rectifier (9) and terminal box (10), described rotating shaft (4) passes through casing (1), described generator rotor (6), exciter armature (8) and rotary rectifier (9) ) are fixedly installed on the rotating shaft (4) from front to back, the generator stator (5) and the exciter stator (7) are installed on the inner wall of the casing (1), and the generator stator (5) and the generator rotor (6) Matching, the exciter stator (7) is matched with the exciter armature (8), the junction box (10) is fixedly installed outside the casing (1), and it is characterized in that: the generator is also installed There is an atomizing nozzle (16), and the atomizing nozzle (16) is fixedly installed on the casing (1), and the spraying direction of the atomizing nozzle (16) faces the rotating shaft (4) and the generator rotor (6). 2. The atomization online dust removal brushless synchronous generator according to claim 1, characterized in that: the casing (1) is provided with a heat dissipation port (11). 3. The atomization online dust removal brushless synchronous generator according to claim 1, characterized in that: the front end of the rotating shaft (4) is connected to the connecting steel sheet (13) through a coupling (12). 4. The atomization online dust removal brushless synchronous generator according to claim 1, characterized in that: the front and rear ends of the casing (1) are respectively provided with a front end cover (2) and a rear end cover (3), The rotating shaft (4) is connected with the front end cover (2) and the rear end cover (3) through bearings. 5. The atomization online dust removal brushless synchronous generator as claimed in claim 1, characterized in that: a fan (15) is also fixedly installed on the rotating shaft (4), and the fan (15) is arranged on the casing ( 1), the blowing surface of the fan (15) faces the generator stator (5) and the generator rotor (6). 6. The atomization on-line dust removal brushless synchronous generator according to claim 1, characterized in that: the junction box (10) is equipped with an excitation regulator (14). 7. The atomization online dust removal brushless synchronous generator according to claim 6, characterized in that: the junction box (10) is fixedly installed on the top of the casing (1).

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