CN202978647U - Shock-absorbing 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 a brushless synchronous generator of buffering shock attenuation, includes casing, pivot, generator stator, generator rotor, exciter stator, exciter armature, rotary rectifier and terminal box, the casing is passed in the pivot, generator rotor, exciter armature and rotary rectifier fixed mounting in order backward in the past are in the pivot, 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, be provided with buffer gear between generator stator and the casing. The utility model discloses be provided with buffer gear between buffer gear brushless synchronous generator's casing and the generator stator, reduce the impact and the vibration of stator to the casing through buffer gear, can also improve the reliability of generator when having reduced the generator noise.

Description

Shock-absorbing 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 to rotate together; the performance of the motor is not only related to power, In some occasions, there are also certain requirements for quiet performance. In order to reduce the noise of the motor, the requirements for the installation of the motor casing and the stator are very high. If the stator and the motor casing are installed too tightly, the vibration will be directly transmitted and noise will be emitted; If the installation is loose, it will affect the normal operation of the motor.

Contents of the invention

The technical problem to be solved by the utility model is to provide a shock-absorbing brushless synchronous generator. A buffer mechanism is arranged between the casing of the generator and the stator of the generator, and the impact of the stator on the casing and the Vibration, reduce generator noise.

The utility model is realized in the following way: a brushless synchronous generator with cushioning and shock absorption includes a casing, a rotating shaft, a generator stator, a generator rotor, an exciter stator, an exciter armature, a rotary rectifier and a junction box, and the rotating shaft Through the casing, the generator rotor, exciter armature and rotating rectifier are fixedly installed on the rotating shaft in sequence from front to back, the generator stator and exciter stator are installed on the inner wall of the casing, and the generator stator and generator The rotor cooperates, the exciter stator cooperates with the exciter armature, the junction box is fixedly installed outside the casing, and a buffer mechanism is arranged between the generator stator and the casing.

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 a buffer mechanism between the casing of the buffer and shock-absorbing brushless synchronous generator and the stator of the generator, through which the shock and vibration of the stator to the casing are reduced, the noise of the generator is reduced, and the power generation can be improved at the same time. machine reliability.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the buffering and damping brushless synchronous generator of the present invention.

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 shaft couplings, 13 connecting steel sheets, 14 excitation regulators, 15 fans, 16 buffer mechanisms.

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, a brushless synchronous generator with cushioning and shock absorption 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 wiring 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 stator 7 is installed on the inner wall of the casing 1, the generator stator 5 is matched with the generator rotor 6, the exciter stator 7 is matched with the exciter armature 8, the junction box 10 is fixedly installed outside the casing 1, and the generator A buffer mechanism 16 is provided between the stator 5 and the casing 1 .

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. bumper and absorbing shock no-brush synchronous generator, 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 arranged on casing (1) inwall, 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 buffer gear (16) between described generator unit stator (5) and casing (1).

2. bumper and absorbing shock no-brush synchronous generator as claimed in claim 1, is characterized in that: be provided with thermovent (11) on described casing (1).

3. bumper and absorbing shock no-brush synchronous generator 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).

4. bumper and absorbing shock no-brush synchronous generator 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).

5. bumper and absorbing shock no-brush synchronous generator 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).

6. bumper and absorbing shock no-brush synchronous generator as claimed in claim 1, is characterized in that: field regulator (14) is housed in described terminal box (10).

7. bumper and absorbing shock no-brush synchronous generator as claimed in claim 6, it is characterized in that: described terminal box (10) is fixedly mounted on the top of casing (1).