CN207377655U - generating set and electricity generation system - Google Patents

Abstract

The utility model provides a kind of generating set and electricity generation system, is related to the technical field of generator, and generating set includes nacelle and silencer；The bottom of nacelle is provided with air inlet, and air inlet is provided with detour air passage；Nacelle is used to be located at the outside of generator and engine；Silencer is arranged on the inside of nacelle, and silencer is fixedly connected with nacelle；Silencer is used to be connected with waste pipe；The outer cup of silencer is equipped with shell.The setting of the installation position of air inlet, detour air passage and shell can preferably reduce the noise generated during unit work.

Description

Generating set and electricity generation system

Technical field

The utility model is related to technical field of generators, more particularly, to a kind of generating set and electricity generation system.

Background technology

Diesel-driven generator is a kind of small power generation equipment, is referred to diesel oil etc. for fuel, is driven by prime mover of diesel engine The dynamic power machine of electrical power generators.Fig. 1 is the structure diagram of generating set of the prior art；As shown in Figure 1, a whole set of unit Including engine 5, generator 6, radiator 9, control system 14, fuel tank 13 and silencer 2 etc..

In the prior art, in order to reduce the noise of diesel-driven generator, generally use packaging type structure, i.e., by engine 5, The structure assemblies such as generator 6, radiator 9, control system 14, fuel tank 13 and silencer 2 are in the inside in noise reduction cabin 16, ventilation opening position In the both sides in noise reduction cabin 16.

But the noise reduction of this set is poor.

Utility model content

The purpose of this utility model is to provide a kind of generating set and electricity generation systems, are existed in the prior art with improving Diesel-driven generator noise reduction it is poor the technical issues of.

Generating set provided by the utility model, including nacelle and silencer；The bottom of nacelle is provided with air inlet, air inlet Detour air passage is provided at mouthful；Nacelle is used to be located at the outside of generator and engine；Silencer is arranged on the inside of nacelle, And silencer is fixedly connected with nacelle；Silencer is used to be connected with waste pipe；The outer cup of silencer is equipped with shell.

Further, it is provided with heat emission hole on the bottom plate of shell.

Further, generating set further includes radiator；Radiator is arranged on the outside of nacelle；The side of nacelle is provided with Exhaust outlet, radiator are arranged on the one side of exhaust outlet.

Further, generating set further includes chassis；Nacelle and radiator are removably secured with chassis to be connected.

Further, cushion blocking is provided between nacelle and chassis.

Further, generating set further includes fuel tank；Fuel tank is arranged on the outside of nacelle；Fuel tank is removably solid with chassis Fixed connection；Fuel tank is connected with engine.

Further, it is provided with idler wheel on chassis.

Further, it is provided with acoustical cotton on the inner wall of nacelle.

Further, it is provided with thermal insulation layer on the outer wall of silencer.

Further, the utility model additionally provides a kind of electricity generation system, and electricity generation system includes multiple generating sets.

Generating set provided by the utility model, including nacelle and silencer.In use, extraneous air is from bottom Air inlet sucking, the inside of nacelle is entered by detour air passage；Engine and generator operation inside nacelle, silencer with Waste pipe connects, and reduces the exhaust noise of engine, and high-temp waste gas is enable safely and effectively to discharge.

Since sound is propagation against the wind at air intake surface, spread speed is slower, so the noise of air inlet is smaller；Air inlet Mouth is arranged on bottom, and ground or support construction below nacelle can be first encountered when sound travels to surrounding from bottom, causes sound The reflection of sound, the wave volume after reflection weakens, so as to achieve the effect that noise reduction；The setting in detour air passage can be isolated and absorb Partial noise, to have the function that noise reduction.Further, the exhaust noise of engine is the main noise of generating set work Source by silencer using the dual isolation of shell and nacelle, can preferably play noise reduction.

From the foregoing, it will be observed that the installation position of air inlet, the setting of detour air passage and shell can preferably reduce unit work As when the noise that generates.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings are can also be obtained according to these attached drawings.

Fig. 1 is the structure diagram of generating set of the prior art；

Fig. 2 is the structure diagram for the generating set that the utility model embodiment provides；

Fig. 3 is the internal structure schematic diagram of nacelle shown in Fig. 2；

Fig. 4 is the enlarged drawing at A in Fig. 3.

Icon：1- nacelles；2- silencers；3- air inlets；4- detours air passage；5- generators；6- engines；7- shells；8- Blower fan；9- radiators；10- exhaust outlets；11- chassis；12- cushion blockings；13- fuel tanks；14- control devices；15- dampers；16- Noise reduction cabin；17- exhaust pipes.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.

, it is necessary to explanation in the description of the utility model, such as occur term " " center ", " on ", " under ", " left side ", " right side ", " vertical ", " level ", " interior ", " outer " etc., indicated by orientation or position relationship be based on orientation shown in the drawings or Position relationship is for only for ease of description the utility model and simplifies description rather than instruction or imply signified device or member Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model. In addition, such as there is term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying opposite Importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.

Fig. 2 is the structure diagram for the generating set that the utility model embodiment provides；Fig. 3 is nacelle shown in Fig. 2 Internal structure schematic diagram；Fig. 4 is the enlarged drawing at A in Fig. 3；As shown in Fig. 2, Fig. 3 and Fig. 4, power generation provided in this embodiment Unit, including nacelle 1 and silencer 2；The bottom of nacelle 1 is provided with air inlet 3, and detour air passage 4 is provided at air inlet 3；Cabin Body 1 is used to be located at the outside of generator 5 and engine 6；Silencer 2 is arranged on the inside of nacelle 1, and silencer 2 and nacelle 1 It is fixedly connected；Silencer 2 is used to be connected with the exhaust pipe 17 of engine 6；The outer cup of silencer 2 is equipped with shell 7.

Wherein, the shape of nacelle 1 can be it is a variety of, such as：Cuboid, square or cylinder etc..

Further, the type of silencer 2 can be it is a variety of, such as：Dissipative muffler, reactive muffler, impedance complex Formula silencer, microperforated panel silencer, micropole diffusor and active silencer etc..

Further, installing plate can be fixedly installed in nacelle 1, shell 7 is bolted with installing plate, so as to nacelle 1 It is fixedly connected.This set can make shell 7 and the connection of nacelle 1 more stablize, and will not damage cabin when user dismounts Body 1.

Further, air inlet 3 can be multiple.Since engine 6 and generator 5 can generate radiant heat at work Amount, especially engine 6 are to be converted into mechanical energy by the chemical energy of diesel oil mixing air burning and generate power, thus it is multiple into Air port 3 can ensure air quantity, air circulation be realized, so as to ensure the normal work of unit.

Further, nacelle 1 and shell 7 should all select acoustic material.

Generating set provided in this embodiment, including nacelle 1 and silencer 2.In use, extraneous air is from bottom Air inlet 3 suck, pass through detour air passage 4 into nacelle 1 inside；Engine 6 and generator 5 inside nacelle 1 are run, and are disappeared Sound device 2 is connected with the exhaust pipe 17 of engine 6, reduces the exhaust noise of engine 6, and high-temp waste gas is enable safely and effectively to arrange Go out.

Since sound is propagation against the wind at air intake surface, spread speed is slower, so the noise at air inlet 3 is smaller；Into Air port 3 is arranged on bottom, and ground or the support construction of 1 lower section of nacelle can be first encountered when sound travels to surrounding from bottom, is made Into the reflection of sound, the wave volume after reflection weakens, so as to achieve the effect that noise reduction；The setting in detour air passage 4 can be isolated With absorb partial noise, to have the function that noise reduction.Further, the exhaust noise of engine 6 is the master of generating set work Noise source is wanted, by silencer 2 using the dual isolation of shell 7 and nacelle 1, can preferably play noise reduction.

From the foregoing, it will be observed that the installation position of air inlet 3, the setting of detour air passage 4 and shell 7 can preferably reduce unit The noise generated during work.

On the basis of above-described embodiment, further, heat emission hole is provided on the bottom plate of shell 7.

Wherein, the shape of heat emission hole can be it is a variety of, such as：Circular, rectangle or polygon etc..

In the present embodiment, heat emission hole is provided on the bottom plate of the nacelle 1 of 2 lower section of silencer.In use, send out The radiations heat energy that motor group generates when working can be discharged directly from heat emission hole, avoided the accumulation due to heat, caused silencer 2 Temperature is excessively high, ensures the safety of 6 groups of user and engine.

As shown in Fig. 2, on the basis of above-described embodiment, further, generating set further includes radiator 9；Radiator 9 It is arranged on the outside of nacelle 1；The side of nacelle 1 is provided with exhaust outlet 10, and radiator 9 is arranged on the one side of exhaust outlet 10.

Wherein, nacelle 1 is internally provided with exhausting duct, and exhausting duct is provided with blower fan 8 close to the one side of exhaust outlet 10. During use, blower fan 8, which leads to the heat inside nacelle 1, to be drained through air passage and suctions out to the outside of nacelle 1.This set can carry The efficiency of height heat dissipation ensures the device normal work inside nacelle 1.

Further, blower fan 8 can be arranged to multiple according to actual conditions.The efficiency of heat dissipation can so be improved.

Further, in use, the radiator fan in radiator 9, which rotates, generates high wind, and high wind dispels radiator 9 The coolant flowed through in radiating core, so as to achieve the effect that hot and cold alternation.

Further, radiator 9 can realize Remote Installation by connecting line.

Further, radiator 9 can select vertical installation, horizontal installation or suspension type installation etc. according to actual conditions Deng being so adapted to different occasions, expand use scope.

In the present embodiment, generating set further includes radiator 9.In use, radiator 9 is arranged on exhaust outlet 10 Place, by the cycling of cooling system, hot and cold alternation takes away the heat inside nacelle 1, to ensure the normal work of engine 6. In the prior art, radiator 9 is arranged on the inside of nacelle 1, is cooled down by the air heated in cabin, and in the present embodiment Radiator 9 be arranged on the outside of nacelle 1, can directly be cooled down, be improved scattered using the air of ambient temperature The thermal efficiency.

In addition, on the premise of cooling requirements are met, the radiator fan of low noise can be selected, that is, meets generating set Cooling requirements, and meet the requirement of low noise.

As shown in Figures 2 and 3, on the basis of above-described embodiment, further, generating set further includes chassis 11；Cabin Body 1 and radiator 9 are removably secured with chassis 11 to be connected.

Wherein, the mode being detachably connected can be a variety of, such as：It is bolted, is clamped or pin joint etc..Preferably Ground is connected by screw bolts.Bolted mode is easy to disassemble, and stability is high.

In the present embodiment, generating set further includes chassis 11.Nacelle 1 and radiator 9 are removably secured with chassis 11 Connection.This set can be arranged on the structure on chassis 11, convenience in transport and installation convenient for users to dismounting.

As shown in figure 4, on the basis of above-described embodiment, further, cushion blocking is provided between nacelle 1 and chassis 11 12。

Wherein, cushion blocking 12 may be provided with multilayer.It is fixed between multilayer cushion blocking 12 using adhesive tape, prevents mobile dislocation.

Further, the inside of nacelle 1 may be provided with damper 15, and damper 15 produces when can filter generating set work Raw vibration accelerates the attenuation of vibration, to improve the stationarity of generating set work.

Further, the type of damper 15 can be it is a variety of, such as：Double adjustable shock absorber 15, inflatable subtract Shake device 15 and adjustable-damping shock absorber 15 etc..

In the present embodiment, cushion blocking 12 is provided between nacelle 1 and chassis 11, cushion blocking 12, which has, is applicable in the temperature difference greatly, no The yielding, characteristics such as the good, load of elasticity is big, damping is big can improve the stationarity of generating set work.

As shown in Fig. 2, on the basis of above-described embodiment, further, generating set further includes fuel tank 13；Fuel tank 13 is set It puts in the outside of nacelle 1；Fuel tank 13 is removably secured with chassis 11 and is connected；Fuel tank 13 is connected with engine 6.

Wherein, fuel tank 13 can be realized by fuel pipe far puts installation.

Further, generating set should also include control device 14.Control device 14 is arranged on the outside of nacelle 1, and controls Device 14 processed is removably secured with chassis 11 to be connected.Control device 14 be used for control fuel tank 13, engine 6, generator 5 and The opening and closing of radiator 9.

Further, since fuel tank 13, radiator 9, control device 14 are arranged at the outside of nacelle 1, the weight and body of nacelle 1 Product reduces, the person's of being convenient to use transport and installation.

In the present embodiment, generating set further includes fuel tank 13.In use, fuel tank 13 is for storing diesel oil, and carries Supply engine 6.The setting that fuel tank 13 is detachably connected with chassis 11, can facilitate the dismounting and maintenance of fuel tank 13, user Just.The fuel tank 13 of external independence is set, and user can be made to replace the fuel tank 13 without capacity according to actual conditions, improved The time of generating set single continuous work.

On the basis of above-described embodiment, further, idler wheel is provided on chassis 11.

Wherein, idler wheel can be multiple.In use, when user needs dislocation generation unit, on chassis 11 Idler wheel roll, drive its top set structure movement.

In the present embodiment, idler wheel is provided on chassis 11, the setting of idler wheel can be convenient for users to dislocation generation unit.

On the basis of above-described embodiment, further, acoustical cotton is provided on the inner wall of nacelle 1.

Wherein, it is preferred that setting the acoustical cotton of 40mm thickness on the inner wall of nacelle 1.

Further, acoustical cotton can be pasted onto on the inner wall of nacelle 1.

Further, nacelle 1 can include dismountable component such as door leaf, top frame, with convenient for users to by engine 6, 5 grade components of generator are put into nacelle 1.

Further, in the junction of above-mentioned detachable part, it is sealed using sealing strip, to reach the effect of noise reduction Fruit.

It is preferred that select compression type sealing strip.

In the present embodiment, acoustical cotton is provided on the inner wall of nacelle 1.In use, acoustical cotton can play attraction Effect, so as to achieve the effect that noise reduction.

On the basis of above-described embodiment, further, thermal insulation layer is provided on the outer wall of silencer 2.

Wherein, the inside of silencer 2 should also be thermally shielded design, to ensure that silencer 2 in high temperature environments can be normal Operation.

Further, the species of thermal insulation layer can be it is a variety of, such as：Glass fibre, asbestos, rock wool, aerogel blanket and Evacuated panel etc..

In the present embodiment, thermal insulation layer is provided on the outer wall of silencer 2.In use, thermal insulation layer can play guarantor The effect of silencer 2 is protected, ensures the safety of the user during the work time of silencer 2.

On the basis of above-described embodiment, further, the utility model embodiment additionally provides a kind of electricity generation system, hair Electric system includes multiple generating sets.

Wherein, multiple generating sets can power to same device or power to different devices simultaneously.

In the present embodiment, electricity generation system includes multiple generating sets.Generating set includes nacelle 1 and silencer 2.It is using In the process, extraneous air is sucked from the air inlet 3 of bottom, and the inside of nacelle 1 is entered by detour air passage 4；Hair inside nacelle 1 Motivation 6 and generator 5 are run, and silencer 2 is connected with the exhaust pipe 17 of engine 6, reduce the exhaust noise of engine 6, and are made High-temp waste gas can be discharged safely and effectively.

Since sound is propagation against the wind at air intake surface, spread speed is slower, so the noise at air inlet 3 is smaller；Into Air port 3 is arranged on bottom, and ground or the support construction of 1 lower section of nacelle can be first encountered when sound travels to surrounding from bottom, is made Into the reflection of sound, the wave volume after reflection weakens, so as to achieve the effect that noise reduction；The setting in detour air passage 4 can be isolated With absorb partial noise, to have the function that noise reduction.Further, the exhaust noise of engine 6 is the master of generating set work Noise source is wanted, by silencer 2 using the dual isolation of shell 7 and nacelle 1, can preferably play noise reduction.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly The scope of each embodiment technical solution of type.

Claims (10)

1. a kind of generating set, which is characterized in that including：Nacelle and silencer；

The bottom of the nacelle is provided with air inlet, and the air inlet is provided with detour air passage；The nacelle is used to be located at The outside of generator and engine；

The silencer is arranged on the inside of the nacelle, and the silencer is fixedly connected with the nacelle；The silencer For being connected with waste pipe；The outer cup of the silencer is equipped with shell.

2. generating set according to claim 1, which is characterized in that be provided with heat emission hole on the bottom plate of the shell.

3. generating set according to claim 1, which is characterized in that further include radiator；

The radiator is arranged on the outside of the nacelle；The side of the nacelle is provided with exhaust outlet, and the radiator is set In the one side of the exhaust outlet.

4. generating set according to claim 3, which is characterized in that further include chassis；

The nacelle and the radiator are removably secured with the chassis to be connected.

5. generating set according to claim 4, which is characterized in that be provided with vibration damping between the nacelle and the chassis Pad.

6. generating set according to claim 4, which is characterized in that further include fuel tank；

The fuel tank is arranged on the outside of the nacelle；The fuel tank is removably secured with the chassis and is connected；The fuel tank It is connected with the engine.

7. generating set according to claim 4, which is characterized in that be provided with idler wheel on the chassis.

8. generating set according to claim 1, which is characterized in that be provided with acoustical cotton on the inner wall of the nacelle.

9. generating set according to claim 1, which is characterized in that be provided with thermal insulation layer on the outer wall of the silencer.

10. a kind of electricity generation system, which is characterized in that including multiple such as claim 1-9 any one of them generating sets.