CN214959007U

CN214959007U - Compact gasoline direct current generator set

Info

Publication number: CN214959007U
Application number: CN202121324437.2U
Authority: CN
Inventors: 刘旭晖
Original assignee: Zhejiang Yuexin Machinery Manufacturing Co ltd
Current assignee: Zhejiang Yuexin Machinery Manufacturing Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-30
Anticipated expiration: 2031-06-15

Abstract

The utility model provides a compact petrol direct current generating set belongs to generator technical field. The gasoline engine generator solves the problems that the existing gasoline engine generator is large in overall size and not attractive enough in appearance. This compact petrol direct current generating set, which comprises an outer shell, decide rotor subassembly and pivot, decide the rotor subassembly and install in the shell, the pivot is fixed in decides rotor subassembly center, the air intake has been seted up at the rear end face center of shell, be fixed with in the pivot with air intake matched with impeller No. one, the air outlet has been seted up to circumference on the front end lateral wall of shell, be fixed with in the pivot with air outlet matched with impeller No. two, impeller and impeller No. two are located the both sides of deciding the rotor subassembly respectively. The utility model has the advantages of the radiating effect and the appearance volume are less.

Description

Compact gasoline direct current generator set

Technical Field

The utility model belongs to the technical field of the generator, a gasoline engine generator is related to, in particular to compact gasoline direct current generating set.

Background

The gasoline engine generator is a device of an internal combustion engine generator, and the principle of the gasoline engine generator is that gasoline is combusted to drive a piston connecting rod assembly to operate, the piston connecting rod assembly drives a crankshaft to rotate, and then power generation is realized through a fixed rotor assembly connected with the crankshaft. Under the condition of the same power, the volume of the generator set is reduced, heat dissipation is not facilitated, so that the whole volume of the gasoline generator on the market is large, the appearance is not attractive enough, the volume of the generator set is reduced, the material cost can be saved, transportation is facilitated, the appearance is attractive to a certain extent due to the reduction of the volume, and the sale is facilitated.

Disclosure of Invention

The utility model aims at providing a radiating effect and the less compact petrol DC generator set of appearance volume to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a compact petrol direct current generating set, includes shell, stator rotor subassembly and pivot, stator rotor subassembly install in the shell, the pivot be fixed in stator rotor subassembly center, its characterized in that, the air intake has been seted up at the rear end face center of shell, the pivot on be fixed with air intake matched with impeller No. one, the air outlet has been seted up to circumference on the front end lateral wall of shell, the pivot on be fixed with air outlet matched with impeller No. two, impeller and impeller No. two be located stator rotor subassembly's both sides respectively.

This generating set's pivot and the crankshaft on the gasoline engine are connected and are driven the operation of stator rotor subassembly and realize the electricity generation, single impeller heat dissipation for traditional generating set, the utility model discloses improve the position of air intake and air outlet on the shell, two impellers of flat cooperation simultaneously, No. one impeller operation in rear is from air intake department air of inhaling when getting rid of the inner wall to the shell promptly, because blockking and changing the direction of shell inner wall, inspiratory air will flow toward the front end, the front end department of shell sets up No. two impellers again, the air that flows toward the front gets rid of the air outlet that encircles to circumference through No. two impellers, above-mentioned structure is through an impeller and No. two impeller cooperation shell structures, can increase substantially the velocity of flow of shell inside air, in other words increased its radiating effect, can make generating set's global design compacter.

In the compact gasoline direct current generator set, a positioning sleeve is arranged between the stator and rotor assembly and the shell, the positioning sleeve is fixed in the shell, and the stator magnetic steel of the stator and rotor assembly is fixed on the inner wall of the positioning sleeve.

In the compact gasoline direct current generator set, the center of the rear end face of the positioning sleeve is a bearing type structure supporting rotating shaft, a rectifier circuit board is fixed at the front end of the positioning sleeve, the rotating shaft penetrates through the center of the rectifier circuit board, and the rectifier circuit board is fixed with the end faces of the side walls of the positioning sleeve by arranging nuts on two sides of the panel simultaneously so that a gap is reserved between the rectifier circuit board and the front end of the positioning sleeve.

In the compact gasoline direct current generator set, the shell is provided with a wire outlet hole matched with the rectifier circuit board.

In the compact gasoline direct current generator set, a flywheel is arranged on the rotating shaft and between the stator and rotor assembly and the first impeller.

Compared with the prior art, the compact gasoline direct current generator set has the following advantages:

1. the air inlet and the air outlet on the shell are improved, and the first impeller and the second impeller are matched at the same time, so that the air flow rate in the shell is greatly improved, and the shell has the advantage of better heat dissipation effect;

2. on the basis of the improvement, the circuit board for rectification is arranged inside the shell and fixed with the positioning sleeve, so that the generator set is more compact in overall structure and more attractive in appearance.

Drawings

FIG. 1 is an exploded view of the present generator set;

in the figure, 1, a housing; 1a, an air inlet; 1b, an air outlet; 1c, a wire outlet hole; 2. a stator-rotor assembly; 3. a rotating shaft; 4. an impeller I; 5. a second impeller; 6. a positioning sleeve; 7. a rectifier circuit board; 8. a nut; 9. a flywheel.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, this compact gasoline direct current generator set, including shell 1, decide rotor subassembly 2 and pivot 3, decide rotor subassembly 2 to install in shell 1, pivot 3 is fixed in decides rotor subassembly 2 center, air intake 1a has been seted up at the rear end face center of shell 1, be fixed with No. one impeller 4 with air intake 1a matched with in the pivot 3, air outlet 1b has been seted up to circumference on the front end lateral wall of shell 1, be fixed with No. two impellers 5 with air outlet 1b matched with in the pivot 3, No. one impeller 4 and No. two impellers 5 are located the both sides of deciding rotor subassembly 2 respectively, one of them impeller 4 is closed centrifugal impeller, No. two impellers 5 are open centrifugal impeller.

Further explain, for the convenience of the assembly of the generator set, the stator and rotor assembly 2 can be modularized, the positioning sleeve 6 is arranged between the stator and rotor assembly 2 and the shell 1, the positioning sleeve 6 is fixed inside the shell 1, the stator magnetic steel of the stator and rotor assembly 2 is fixed with the inner wall of the positioning sleeve 6, the stator and rotor assembly 2 can be installed in the positioning sleeve 6 firstly during the assembly, and then the positioning sleeve 6 is fixed in the shell 1.

In order to enable the generator set to be produced in a modularized mode, the positioning sleeve 6, the stator and rotor assembly 2 and the rectifier circuit board 7 are firstly assembled into a whole, the center of the rear end face of the positioning sleeve 6 is a bearing type structure supporting rotating shaft 3, the rectifier circuit board 7 is fixed to the front end of the positioning sleeve 6, the rotating shaft 3 penetrates through the center of the rectifier circuit board 7, and the rectifier circuit board 7 enables a gap to be reserved between the rectifier circuit board 7 and the front end of the positioning sleeve 6 by arranging nuts 8 and fixing the end faces of the side walls of the positioning sleeve 6 on two sides of a panel.

In the structure, the rectifier circuit board 7 is used for filtering, stabilizing and rectifying the generated current at the same time, so that the gasoline generator set can directly output direct current.

The shell 1 is provided with a wire outlet hole 1c matched with the rectifying circuit board 7, and an output lead of the generator penetrates through the wire outlet hole 1c to be connected with the rectifying circuit board 7.

In order to make the operation of the rotating shaft 3 more stable, a flywheel 9 is arranged on the rotating shaft 3 between the stator-rotor assembly 2 and the first impeller 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although various terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a compact gasoline direct current generating set, includes shell (1), decides rotor subassembly (2) and pivot (3), decide rotor subassembly (2) install in shell (1), pivot (3) be fixed in decide rotor subassembly (2) center, a serial communication port, air intake (1 a) have been seted up at the rear end face center of shell (1), pivot (3) on be fixed with air intake (1 a) matched with impeller (4), air outlet (1 b) have been seted up to circumference on the front end lateral wall of shell (1), pivot (3) on be fixed with air outlet (1 b) matched with impeller (5) No. two, impeller (4) and impeller (5) No. two be located the both sides of deciding rotor subassembly (2) respectively.

2. The compact gasoline direct current generator set according to claim 1, wherein a positioning sleeve (6) is arranged between the stator and rotor assembly (2) and the housing (1), the positioning sleeve (6) is fixed inside the housing (1), and stator magnetic steel of the stator and rotor assembly (2) is fixed on the inner wall of the positioning sleeve (6).

3. The compact gasoline direct current generator set according to claim 2, wherein the rear end face center of the locating sleeve (6) is a bearing type structure supporting rotating shaft (3), the front end of the locating sleeve (6) is fixed with a rectifier circuit board (7), the rotating shaft (3) penetrates through the center of the rectifier circuit board (7), and the rectifier circuit board (7) is fixed with the side wall end face of the locating sleeve (6) through nuts (8) arranged on two sides of a panel simultaneously so that a gap is reserved between the rectifier circuit board (7) and the front end of the locating sleeve (6).

4. A compact gasoline direct current generator set according to claim 3, characterized in that the housing (1) is provided with an outlet hole (1 c) matched with the rectifying circuit board (7).

5. The compact gasoline direct current generator set according to claim 1, characterized in that a flywheel (9) is arranged on the rotating shaft (3) between the stator-rotor assembly (2) and the first impeller (4).