CN217300715U

CN217300715U - Generator set

Info

Publication number: CN217300715U
Application number: CN202221205251.XU
Authority: CN
Inventors: 朱波; 张易; 袁国友; 黄亮; 周歆杰
Original assignee: Chongqing Zongshen General Power Machine Co Ltd
Current assignee: Chongqing Zongshen General Power Machine Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-26
Anticipated expiration: 2032-05-20

Abstract

The utility model relates to the technical field of energy conversion devices, and provides a generator set in order to solve the problem of power utilization safety of the generator set in the prior art, the generator set comprises a shell and a working device positioned in the shell, the working device comprises an engine, an air guide cover is arranged on the engine, and an air inlet and an air outlet are arranged on the shell; wherein: the shell comprises an inner chamber consisting of an internal runner of the working device and an outer chamber consisting of the inner wall of the shell and the outer surface of the working device; the flow passage of the inner chamber is communicated with the air inlet and the air outlet; an air outlet is arranged on the air guide cover.

Description

Generator set

Technical Field

The utility model relates to an energy conversion technical field specifically is a generating set.

Background

As a complete mechanical device capable of converting other forms of energy into electric energy, a generator generally includes a housing and a working device inside the housing, a cooling system, an exhaust system, a muffler, and the like. During the use, in the equipment, after turning into mechanical energy with the energy of other forms, turn into the electric energy with mechanical energy again, in equipment working process, cooling system provides the air for equipment on the one hand, and on the other hand, through the radiating operation with exhaust system's cooperation realization generating set.

As a power supply device, a power generating set has a plurality of operating buttons or power supply sockets with different functions on a housing thereof, so that in order to ensure power utilization safety, water resistance needs to be paid attention to during use, especially in use in extreme weather such as rainy days. However, the existing generator set cannot be completely sealed, a gap exists in a box body of the generator set, water can be fed, once the generator set is fed with water, an internal circuit is easy to be short-circuited, and the problem of failure or even burnout exists, so that great potential safety hazards exist, and great influence is caused on the power utilization safety of the generator set during use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated to provide a generating set to there is the problem of electrical safety in generating set among the solution prior art.

The utility model provides a basic scheme is: the generator set comprises a shell and a working device positioned in the shell, wherein the shell is provided with an air inlet and an air outlet; the working device comprises an engine with a cooling fan and an air guide cover surrounding the engine; wherein: the shell comprises an inner chamber consisting of an internal runner of the working device and an outer chamber consisting of the inner wall of the shell and the outer surface of the working device; the flow passage of the inner chamber is communicated with the air inlet and the air outlet; the inner chamber is in communication with the outer chamber.

The basic scheme has the beneficial effects that: in the scheme, the inner part of the shell is divided into an inner chamber and an outer chamber, the inner chamber consists of an inner runner of the working device, and then the air flowing in the inner runner of the working device can realize the normal heat dissipation function of the working device, so that the normal use of the working device is ensured; and set up outer cavity after, the setting up of interior cavity and outer cavity intercommunication makes the air that interior cavity flows can enter into outer cavity, and because outer cavity does not set up other exports, consequently along with in the interior cavity air gets into outer cavity gradually, the internal atmospheric pressure of outer cavity increases gradually, present the malleation state, under this kind of state, the outside material of shell not only can not enter into inside the shell, and because the air in the outer cavity can constantly blow off from the gap on the shell, still can blow off the material of shell gap department, can avoid the condition that generating set intake, just also can avoid the problem of power consumption safety because of intaking and appearing, the potential safety hazard of generating set has been reduceed, can also prevent that outside dust from entering into inside the shell, play dirt-proof effect.

Furthermore, an air outlet communicated with the outer cavity is arranged on the air guide cover. Has the advantages that: in this scheme, utilize the setting of air exit on the wind-guiding cover just can realize the intercommunication of inner chamber and outer cavity, simple structure.

Furthermore, an inlet is arranged on the air guide cover and is in sealing connection with the air inlet. Has the advantages that: in this scheme, sealing connection's setting can be with in the air guide cover is all introduced from the air intake entering to the radiating effect of generating set inside has been guaranteed.

Furthermore, the inlet is hermetically connected with the air inlet through a flexible connecting piece. Has the advantages that: in this scheme, flexible connectors's setting is kept apart import and shell inside to further guaranteed that outer cavity is in normal condition when generating set uses, just also guaranteed the waterproof dirt-proof effect of generating set.

Furthermore, an installation cavity provided with an inverter is arranged between the inlet and the air inlet. Has the beneficial effects that: in this scheme, set up the heat dissipation that makes things convenient for the dc-to-ac converter with setting up between import and air intake.

Furthermore, the engine is also provided with a cooling channel, the air guide cover is provided with an air inlet vent, and the outlet of the cooling channel is communicated with the air outlet. Has the advantages that: in this scheme, set up cooling channel after, can introduce the engine inside with the air to cool off the engine, guarantee the normal use of engine. Further, the shell includes installation frame and polylith panel, and the installation frame is provided with many spinal branchs supporting beam, and the contact site and the supporting beam of adjacent panel offset. Has the beneficial effects that: in this scheme, the setting of installation frame, on the one hand can strengthen the intensity of shell, on the other hand, because the contact site of two panels must have the gap, and the contact site with prop up the setting back that supporting beam offseted, it can shelter from the gap of contact site to prop up supporting beam, can reduce the probability that foreign matter gets into the shell inside from the gap, waterproof dustproof effect has further been guaranteed, and after the gap was sheltered from by a supporting beam, the pleasing to the eye of shell has also been improved, the leakproofness of shell has been strengthened, can also prevent that the noise that the interior equipment during operation of shell produced from spreading out the shell, the purpose of making an uproar has been played.

Furthermore, the panel comprises a main control panel, and a plurality of operation pieces for controlling the working device are arranged on the main control panel. Has the advantages that: in this scheme, all set up the back on same panel with the operating parts of a plurality of operation equipment operation, the operator only need be located just also can accomplish a plurality of operations to equipment before same panel, makes things convenient for operating of operator to generating set.

Further, be provided with the pushing hands on the installation frame, the pushing hands sets up with main control panel homonymy. Has the advantages that: in this scheme, the setting of setting up the pushing hands in the main homonymy of controlling the panel has further made things convenient for the operation of operator to the engine unit.

Furthermore, the working device also comprises an air filter, a resonant cavity, an oil-gas mixing device and a silencer, wherein an air inlet of the air filter is formed in the air inlet, the air inlet of the air filter, the resonant cavity, the oil-gas mixing device, the engine and the silencer are sequentially connected, and the silencer is communicated with the air outlet. Has the advantages that: in this scheme, by empty filter air inlet, empty filter, the resonant cavity, oil-gas mixing device, the engine, the interior chamber of equipment is constituteed to silencer and air outlet, the air gets into empty filter through empty filter air inlet and filters the back, after the resonant cavity in proper order again through oil-gas mixing device and engine and participate in the engine burning, then discharge from the air outlet after the noise elimination of chemical industry waste gas through the silencer, the normal work of engine has been guaranteed on the one hand, on the other hand has still realized the noise reduction effect through the resonant cavity that sets up and the cooperation of silencer, finally, the required air of engine work is introduced from empty filter, and can not follow the introduction in the exocoel chamber, thereby guaranteed that outer cavity is in the malleation state all the time in generating set use, just guaranteed the waterproof dustproof effect of generating set.

Further, the resonant cavity is connected with the air filter through the first flexible piece. Has the advantages that: considering that the engine can vibrate during operation, and empty filter is as the equipment of a filtered air, can not appear vibrating, consequently if directly be connected engine and empty filter, can lead to empty filter and the junction of engine to appear damaging, consequently, in this scheme, utilize first flexible piece to realize being connected of resonant cavity and empty filter, can guarantee the firm connection of resonant cavity and empty filter to guarantee the normal air intake of engine, further guaranteed the normal work of engine.

Further, the first flexible member is a bellows. Has the advantages that: in this scheme, adopt the bellows as first flexible piece, utilize the flexibility of bellows can reduce the transmission of vibrations and the corrugated structure of bellows can also play the effect of making an uproar of falling.

Further, an engine pull disc is further arranged in the shell, and a protective cover is arranged between the inverter and the engine pull disc. Has the beneficial effects that: in this scheme, the setting of protective cover can keep apart dc-to-ac converter and engine draw gear between dc-to-ac converter and the engine draw gear to avoid the damage to the dc-to-ac converter wire when pulling the engine draw gear, can also prevent the noise that produces in the engine working process from passing outward, played the effect of making an uproar.

Further, the air inlet is also provided with a carbon monoxide detector. Has the advantages that: in this scheme, set up the carbon monoxide detector and can have better detection effect in air intake department.

Drawings

Fig. 1 is a schematic diagram of an embodiment of a generator set of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 is a cross-sectional view of C-C of FIG. 2;

fig. 5 is a left side view of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a mounting frame 1, a support beam 11, a push handle 12, an engine pull handle 13, a fuel change-over switch 14, a main control panel 15, an engine 2, an air guide cover 20, an air outlet 201, a flexible connecting piece 21, a silencer 22, an inverter 23, an oil-gas mixing device 24, a resonant cavity 25, a first flexible piece 26, an air filter 27, an air guide cover air inlet 31, an air filter air inlet 32 and an air outlet 33.

The embodiment is basically as shown in the attached figures 1-5: generating set, including the shell with be located the operating means of shell, the shell includes installation frame 1 and polylith panel, installation frame 1 is provided with many spinal branchs supporting beam 11, the contact site of adjacent panel offsets with a supporting beam 11. One of the panels is a main control panel 15, and a plurality of operating parts for controlling the working device are arranged on the main control panel 15, and the operating parts comprise an electric socket, a fuel change-over switch 14, an engine pull disc handle 13 and the like. A push handle 12 is arranged on the side of the mounting frame 1 where the main control panel 15 is located.

The other panel is provided with an air inlet, the air inlet comprises an air filter air inlet 32 and an air guide cover air inlet 31, and the opposite panel is provided with an air outlet 33.

The shell comprises an inner chamber consisting of an internal runner of the working device and an outer chamber consisting of the inner wall of the shell and the outer surface of the working device; specifically, the working device comprises an engine 2, an air filter 27, a resonant cavity 25, an oil-gas mixing device 24 and a silencer 22, wherein an air inlet 32 of the air filter, the air filter 27, the resonant cavity 25, the oil-gas mixing device 24, the engine 2 and the silencer 22 are sequentially connected, the silencer 22 is communicated with an air outlet 33, the resonant cavity 25 is connected with the air filter 27 through a first flexible piece 26, an inner chamber is formed by air in a flow passage in the working device, and the part except the working device in the shell is an outer chamber. In this embodiment, the first flexible member 26 is a bellows, and in other embodiments, other elastic connecting members may be used for the first flexible member 26.

The inner chamber is communicated with the outer chamber, specifically, in the present embodiment, the engine 2 is provided with an air guiding cover 20, the air guiding cover 20 is provided with an inlet and an air outlet 201, as shown in fig. 2, the air outlet 201 is communicated with the outer chamber. The engine 2 is internally provided with a cooling channel, the wind scooper 20 is provided with an inlet for air intake, the inlet is hermetically connected with the air inlet through a flexible connecting piece 21, and an outlet of the cooling channel is communicated with the air outlet 33.

The engine 2 pulling disc and the inverter 23 are further arranged in the shell, a protective cover is arranged between the inverter 23 and the engine 2 pulling disc, an installation cavity is arranged on one surface, facing the inside of the shell, of a panel portion provided with the air inlet 31 of the air guide cover, the installation cavity is located between the inlet and the air inlet, the inverter 23 is located in the installation cavity and is opposite to the air inlet, and the flexible connecting piece 21 is arranged between the installation cavity and the air guide cover 20. And a carbon monoxide detector is also arranged in the position, close to the air inlet, in the mounting cavity.

The specific implementation process is as follows: when the engine is used, a part of external air enters the shell from the air inlet 31 of the air guiding cover of the air inlet, and then enters the cooling channel inside the engine 2 through the vent hole on the air guiding cover 20, and after the air in the cooling channel cools the inside of the engine 2, the air flows out of the shell through the air outlet 33 to form a first channel inside the engine 2, as shown in fig. 3; in the process, part of air in the engine 2 enters the outer chamber from the air outlet 201 on the air guide cover 20, so that the outer chamber is kept in a positive pressure state, and the dustproof and waterproof effects of the generator set are achieved.

A part of external air enters the air filter 27 through the air filter inlet 32, enters the resonant cavity 25 through the first flexible part 26 after being filtered by the air filter 27, enters the oil-gas mixing device 24 after being denoised in the resonant cavity 25, finally enters the engine 2 and participates in the combustion of the engine 2 to be converted into exhaust gas, and finally is discharged from the exhaust port through the muffler 22 to form a second channel, as shown in fig. 4.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The generator set comprises a shell and a working device positioned in the shell, wherein the shell is provided with an air inlet and an air outlet; the working device comprises an engine with a cooling fan and a wind scooper surrounding the engine; the method is characterized in that: the shell internally comprises an inner chamber consisting of the internal flow passage of the working device and an outer chamber consisting of the inner wall of the shell and the outer surface of the working device; the flow channel of the inner cavity is communicated with the air inlet and the air outlet, and the inner cavity is communicated with the outer cavity.

2. The generator set of claim 1, wherein: an air outlet communicated with the outer cavity is formed in the air guide cover.

3. The generator set of claim 2, wherein: the air guide cover is provided with an inlet, and the inlet is connected with the air inlet in a sealing mode.

4. The generator set of claim 3, wherein: the inlet is connected with the air inlet in a sealing mode through a flexible connecting piece.

5. The generator set of claim 4, wherein: and an installation cavity provided with an inverter is arranged between the inlet and the air inlet.

6. The generator set of claim 5, wherein: the engine is further provided with a cooling channel, the air guide cover is provided with an air inlet vent, and an outlet of the cooling channel is communicated with the air outlet.

7. The generator set of claim 6, wherein: the shell includes installation frame and polylith panel, the installation frame is provided with many spinal branchs supporting beam, the contact site of adjacent panel with supporting beam offsets.

8. The generator set of claim 7, wherein: the panel comprises a main control panel, and a plurality of operating pieces for controlling the working device are arranged on the main control panel.

9. The generator set of claim 8, wherein: be provided with the pushing hands on the installation frame, the pushing hands with main control panel homonymy sets up.

10. The generator set of any one of claims 5-9, wherein: the working device further comprises an air filter, a resonant cavity, an oil-gas mixing device and a silencer, wherein an air inlet of the air filter is formed in the air inlet, the air inlet of the air filter, the resonant cavity, the oil-gas mixing device, the engine and the silencer are sequentially connected, and the silencer is communicated with the air outlet.

11. The generator set of claim 6, wherein: the working device further comprises an air filter, a resonant cavity, an oil-gas mixing device and a silencer, wherein an air inlet of the air filter is formed in the air inlet, the air inlet of the air filter, the resonant cavity, the oil-gas mixing device, the engine and the silencer are sequentially connected, and the silencer is communicated with the air outlet.

12. The generator set of claim 10, wherein: the resonant cavity is connected with the air filter through a first flexible piece.

13. The generator set of claim 11, wherein: the resonant cavity is connected with the air filter through a first flexible piece.

14. The generator set of claim 12 or 13, wherein: the first flexible member is a bellows.

15. The generator set of any of claims 5-9, 11-13, wherein: still be provided with the engine and draw the dish in the shell, the dc-to-ac converter with be provided with the protective cover between the engine draws the dish.

16. The generator set of claim 10, wherein: still be provided with the engine and draw the dish in the shell, the dc-to-ac converter with be provided with the protective cover between the engine draws the dish.

17. The generator set of claim 14, wherein: still be provided with the engine in the shell and draw the dish, the dc-to-ac converter with be provided with the protective cover between the engine draws the dish.

18. The generator set of claim 15, wherein: and a carbon monoxide detector is also arranged at the air inlet.

19. The generator set of any of claims 16-18, wherein: and a carbon monoxide detector is also arranged at the air inlet.