CN108194196A - A kind of low noise air-cooled diesel variable-frequency power generation unit cooling system - Google Patents
A kind of low noise air-cooled diesel variable-frequency power generation unit cooling system Download PDFInfo
- Publication number
- CN108194196A CN108194196A CN201810216924.3A CN201810216924A CN108194196A CN 108194196 A CN108194196 A CN 108194196A CN 201810216924 A CN201810216924 A CN 201810216924A CN 108194196 A CN108194196 A CN 108194196A
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- air
- low noise
- flow
- engine
- air inlet
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 238000010248 power generation Methods 0.000 title claims abstract description 12
- 230000003584 silencer Effects 0.000 claims abstract description 63
- 230000001939 inductive effect Effects 0.000 claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000003434 inspiratory effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/042—Rotating electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of low noise air-cooled diesel variable-frequency power generation unit cooling systems, and including engine, the bottom of engine is connected with low noise bottom disk, and air filtering core air inlet pipe is connected in the air inlet pipe of the engine;The top of the engine is connected with before cylinder head air inducing frame after air inducing frame and cylinder head;The right end of air inducing frame is connected separately with heat dissipation air inducing case after air inducing frame and cylinder head before the cylinder head;The right end of the heat dissipation air inducing case is connected with chamber lid after silencer chamber;The cylinder head exhaust outlet started is connected with gas-guide tube before silencer;The right end of gas-guide tube is connected with multi-section silencer before the silencer;The low noise bottom disk is equipped with the left cover plate of low noise speaker and the right cover plate of low noise;Top box on low noise is connected on the low noise bottom disk;Top box, the left cover plate of low noise speaker and the right cover plate of low noise form a babinet on the low noise bottom disk low noise;The configuration of the present invention is simple, cooling system connection and reasonable arrangement, good cooling results.
Description
Technical field
The present invention relates to generating set field more particularly to a kind of low noise air-cooled diesel variable-frequency power generation unit cooling systems
System.
Background technology
As human living standard constantly improves, requirement of the mankind to environment is also continuously improved, including in stand-by power supply
Standby generator sets operation generate cooling effect put forward higher requirements.
Invention content
It is an object of the invention to overcome above-mentioned shortcoming of the prior art and provide it is a kind of simple in structure, it is practical
Low noise air-cooled diesel variable-frequency power generation unit cooling system.
The present invention realizes in the following way:
A kind of low noise air-cooled diesel variable-frequency power generation unit cooling system, it is characterised in that:It is described to start including engine
The bottom of machine is connected with low noise bottom disk by shock-absorbing frame, and air filtering core air inlet is connected in the air inlet pipe of the engine
Pipe;The top of the engine is connected with before cylinder head air inducing frame after air inducing frame and cylinder head;Before the cylinder head after air inducing frame and cylinder head
The right end of air inducing frame is connected separately with heat dissipation air inducing case;The right end of the heat dissipation air inducing case is connected with chamber lid after silencer chamber;Institute
The cylinder head exhaust outlet for stating engine is connected with gas-guide tube before silencer;Gas-guide tube passes through heat dissipation air inducing case before the silencer;Institute
The right end for stating gas-guide tube before silencer is connected with multi-section silencer;The low noise bottom disk is equipped with the left cover plate of low noise speaker
With the right cover plate of low noise, and the right cover plate of the low noise is connected with chamber lid after silencer chamber;The low noise bottom disk
On be connected with top box on low noise, and cover plate left with low noise speaker and low noise are right respectively for the left and right ends of top box on low noise
Cover plate is connected;Top box, the left cover plate of low noise speaker and the right cover plate shape of low noise on the low noise bottom disk, low noise
Into a babinet, babinet is leading by engine, left generator, right generator, frequency converter, shock-absorbing frame, heat dissipation air inducing case, silencer
In tracheae, multi-section silencer cover at;
The low noise bottom disk is equipped with right generator air-inlet cavity cover board, the right generator air-inlet cavity cover board and low noise
The interior bottom on speaker chassis is formed with right generator air-flow inlet chamber;The low noise bottom disk is enclosed equipped with chassis air flow chamber
Plate;Chassis air flow chamber cover board is connected on the chassis air flow chamber coaming plate;The chassis air flow chamber coaming plate is equipped with chassis air-flow
The right air inlet duct after the right air inlet duct, chassis air flow chamber coaming plate before the right air inlet duct of chamber coaming plate, chassis air flow chamber coaming plate;The low noise
Speaker chassis is equipped with air intake duct in air inlet duct in left generator air-flow and right generator air-flow;It is set on the low noise bottom disk
There are the air filtering core air inlet tube connection ports being connected with air filtering core air inlet pipe;Connected on the low noise bottom disk by battery jar rack
It is connected to storage battery;The low noise bottom disk is equipped with organism bottom radiating airflow outlet plenum and engine suction air inlet;It is described
The bottom of low noise bottom disk is formed with tray bottom charge air flow chamber;The bottom of the low noise bottom disk is equipped with wheel;
Air flue arrangement air-flow cooling trend;Engine runs the left induced draught fan that left generator is driven during work, passes through a left side
Power generation left wind scooper center air inlet air-breathing, before the right air inlet duct of chassis air flow chamber coaming plate, chassis air flow chamber coaming plate the right into
The right air inlet duct inspiratory airflow enters tray bottom charge air flow chamber and passes through low noise bottom disk after air drain, chassis air flow chamber coaming plate
Air inlet duct in left generator air-flow is disposed under left side, outer air stream is sucked and gives engine to after left generator heat-radiation
Air-flow enters the lower part box radiating groove in heat dissipation air inducing case with engine after the cylinder head heat dissipation of top, forms empty on the left of low noise speaker
Gas air-flow cooling system;
Engine runs the right induced draught fan that right generator is driven during work, is inhaled by the right air inlet cover board of right generator
Gas, air-flow by before the right air inlet duct of chassis air flow chamber coaming plate, chassis air flow chamber coaming plate above low noise bottom disk the right air inlet duct,
The right air inlet duct, passes through tray bottom charge air flow chamber, right generator air-flow by outer air stream after the air flow chamber coaming plate of chassis
Interior air intake duct is sucked to be sucked by the right air inlet cover board air inlet of right generator to right generator to air-flow after radiating in frequency converter
It radiates, air-flow is by right ventilation case air outlet after right generator heat-radiation, and by radiating, the air inlet in air inducing bottom portion, induced draft plate are sent
Enter to radiate in air inducing case, form low noise speaker right hand side air air-flow cooling system;
Two cooling air-flows gas-guide tube before heat dissipation air inducing case crosses to silencer radiates and enters silencer chamber to more piece
Silencer radiates, and air-flow is passed through with heat by chamber lid before silencer chamber, outer hundred shutters on the right of the right cover plate of low noise
Air outlet flows out, and forms low noise box back air draught discharge system;
Engine control air air-flow cooling system:Engine needs air to enter cylinder head combustion chamber in the process of running,
It by air inlet, compresses, acting, is vented four strokes and completes a working cycles, this low noise frequency conversion air-cooled diesel generating set
Engine air air inlet by coming in engine suction air inlet, pass through the air filtering core air inlet on low noise bottom disk
Tube connection ports discharge after entering in engine cylinder head the air-breathing combustion explosion that burns by air filtering core air inlet pipe, exclude air gas
Enter multi-section silencer exhaust outlet of the multi-section silencer on the right cover plate outside of low noise by gas-guide tube before silencer to discharge,
Form the air inlet of engine and the air operational system of exhaust;
Engine housing cooling air-flow recycles:The organism bottom radiating airflow outlet plenum of engine and tray bottom air inlet gas
It is that head is led in upper downstream intercommunication to flow chamber, when tray bottom charge air flow chamber is to left generator conveying cooling air-flow, by engine
The air-flow of bottom of box heat dissipation is sucked out rapidly by organism bottom radiating airflow outlet plenum, the air-flow of suction import tray bottom into
Gas air flow chamber gives left generator heat-radiation, and left generator heat-radiation rear portion air-flow is pressed into engine housing bottom heat radiation slot, leads to
It crosses bottom of box radiating airflow outflow chamber and returns to tray bottom charge air flow chamber, the engine housing cooling gas of suction is depressed in composition
Flow circulating system;
Fuel tank cooling air-flow in babinet:When left generator and right generator are when low noise speaker interior suction is into cooling air
Two bursts of cooling air-flows will be driven to enter in babinet from preceding fuel tank cooling air inlet and rear fuel tank cooling air inlet respectively, air-flow enters
The heat that fuel tank sheds has been taken away while in babinet, has formed fuel tank cooling air-flow system.
Further, there is air inlet in the heat dissipation air inducing bottom portion, and air inlet is equipped with induced draft plate.
Further, it is connected with chamber lid before silencer chamber on the left of the right cover plate of the low noise;The right case of low noise
Sound panel is equipped in cover board;The right side of the right cover plate of low noise is equipped with shutter air outlet and is matched with multi-section silencer
Multi-section silencer exhaust outlet.
Further, the low noise bottom disk, top box, the left cover plate of low noise speaker, the right case lid of low noise on low noise
Plate, chassis air flow chamber coaming plate, is equipped with waveform sound-absorbing sponge in the air flow chamber cover board of chassis at right generator air-inlet cavity cover board.
The beneficial effects of the present invention are:It is simple in structure, cooling system connection and reasonable arrangement, good cooling results.
Description of the drawings
Fig. 1 schematic structural views of the invention;
Fig. 2 structural exploded views of the present invention;
Fig. 3 structural front views of the present invention;
Fig. 4 structure rearviews of the present invention;
The right cover plate structural front view of Fig. 5 low noises of the present invention;
The right case lid harden structure right view of Fig. 6 low noises of the present invention;
Fig. 7 low noise bottom dish structure schematic diagrames of the present invention;
Fig. 8 low noise bottom dish structure bottom views of the present invention;
Fig. 9 low noise upper cover box structure schematic diagrames of the present invention;
Figure 10 moves towards schematic diagram in air duct of the present invention;
Figure 11 air inlet front views of the present invention;
Figure 12 air inlet side views of the present invention.
Specific embodiment
Below by specific embodiment, and with reference to attached drawing, technical scheme of the present invention is described in further detail.It should
Work as understanding, embodiments of the present invention are not limited to the following examples, the accommodation in any form done to the present invention
And/or change and fall within the scope of the present invention.
Embodiment:
A kind of low noise air-cooled diesel variable-frequency power generation unit cooling system, as shown in Figure 1 and Figure 2, including engine 1, starts
The left side and right side of machine 1 are connected separately with left generator 2 and right generator 3;Left generator 2 includes left stator 2-2, left rotor 2-
3, left stator 2-2 is fixed on terminal pad 2-1, and terminal pad 2-1 is connected to the left side of engine 1;Left rotor 2-3 and engine 1
Left bent axle 1-1 be connected, left stator 2-2 is located in left rotor 2-3;Left induced draught fan 2-4 is connected on left rotor 2-3;Hair
The left side of motivation 1 is connected with left wind scooper 2-5, and left wind scooper 2-5 covers left stator 2-2, left rotor 2-3, left induced draught fan 2-4
Set on interior;Right generator 3 includes right ventilation case 3-1, right stator 3-2, right rotor 3-3, right ventilation case 3-1 set on engine 1
On the side cover seam allowance of right side;Right stator 3-2 is on the inner stopper of right ventilation case 3-1;The right bent axle of right rotor 3-3 and engine 1
1-2 is connected;Right stator 3-2 is located in right rotor 3-3;Right induced draught fan 3-4 is connected on right rotor 3-3;Right ventilation case 3-1
Right side be connected with right air inlet cover board 3-5;The bottom of engine 1 is connected with low noise bottom disk 4, engine 1 by shock-absorbing frame 5
Air inlet pipe on be connected with air filtering core air inlet pipe 1-3;The top of engine 1 is connected with before cylinder head after air inducing frame 1-4 and cylinder head
Air inducing frame 1-5;The right end of air inducing frame 1-5 is connected separately with heat dissipation air inducing case 7 after air inducing frame 1-4 and cylinder head before cylinder head;Heat dissipation is drawn
The right end of bellows 7 is connected with chamber lid 8 after silencer chamber;The cylinder head exhaust outlet of engine 1 is connected with gas-guide tube 9 before silencer;Disappear
Gas-guide tube 9 passes through heat dissipation air inducing case 7 before sound device;The right end of gas-guide tube 9 is connected with multi-section silencer 10 before silencer;Low noise speaker
Chassis 4 is equipped with the left cover plate 14 of low noise speaker and the right cover plate 11 of low noise, and the right cover plate 11 of the low noise is with eliminating the noise
Chamber lid 8 is connected after device chamber;Be connected with top box 13 on low noise on low noise bottom disk 4, and on low noise top box 13 left and right
Cover plate 14 left with low noise speaker and the right cover plate 11 of low noise are connected respectively at both ends;Low noise bottom disk 4, low noise upper cover
The left cover plate 14 of case 13, low noise speaker and the right cover plate 11 of low noise form a babinet, and babinet is by engine 1, left generator
2nd, gas-guide tube 9, multi-section silencer 10 cover at before right generator 3, frequency converter 12, shock-absorbing frame 5, heat dissipation air inducing case 7, silencer
It is interior;The left cover plate 14 of low noise speaker is equipped with left maintenance window 14-1.
In the present embodiment, as shown in Fig. 2, 7 bottom of heat dissipation air inducing case has air inlet 7-1, air inlet 7-1 to be equipped with induced draft plate
7-2, for wind-guiding.
In the present embodiment, as shown in Figure 5, Figure 6, the left side of the right cover plate 11 of low noise is connected with chamber lid before silencer chamber
11-1;The right side of the right cover plate 11 of low noise is equipped with shutter air outlet 11-3 and disappears with 10 matched more piece of multi-section silencer
Sound device exhaust outlet 11-4.
In the present embodiment, as shown in Fig. 2, low noise bottom disk 4 is equipped with frequency converter 12;Frequency converter 12 and right air inlet cover board
3-5 phases are leaned on.
In the present embodiment, as shown in Figure 2, Figure 3, Figure 4, be equipped with fuel tank 13-1 on low noise in top box 13, fuel tank 13-1 with
The oil inlet end of engine 1 is connected;Top box 13 is equipped with control panel 13-2, preceding safeguard window 13-3, rear safeguards on low noise
Window 13-4, top safeguard window 13-5, oil filler 13-6, suspension hook 13-7, preceding fuel tank cooling air inlet 13-8, rear fuel tank cool down into
Gas port 13-9.
In the present embodiment, as shown in Figure 7, Figure 8, low noise bottom disk 4 is equipped with right generator air-inlet cavity cover board 4-1, right
Generator air-inlet cavity cover board 4-1 and the interior bottom of low noise bottom disk 4 are formed with right generator air-flow inlet chamber 4-4;Low noise
Bottom disk 4 is equipped with chassis air flow chamber coaming plate 4-2;The bottom of chassis air flow chamber coaming plate 4-2 is connected with chassis air flow chamber cover board 4-
3;The chassis air flow chamber coaming plate 4-2 is equipped with the right before the right air inlet duct 4-2-1 of chassis air flow chamber coaming plate, chassis air flow chamber coaming plate
The right air inlet duct 4-2-3 after air inlet duct 4-2-2, chassis air flow chamber coaming plate;The low noise bottom disk 4 is equipped with left generator gas
Air intake duct 4-5 in air inlet duct 4-10 and right generator air-flow in stream;The low noise bottom disk 4 is equipped with and air filtering core air inlet
The air filtering core air inlet tube connection ports 4-6 that pipe 1-3 is connected;Storage battery is connected with by battery jar rack on the low noise bottom disk 4
4-7;The low noise bottom disk 4 is equipped with organism bottom radiating airflow outlet plenum 4-8 and engine suction air inlet 4-9;Institute
The bottom for stating low noise bottom disk 4 is formed with tray bottom charge air flow chamber 4-11;The bottom of the low noise bottom disk 4 is equipped with
Wheel 4-0.
In the present embodiment, as shown in figure 9, the left cover plate 14 of top box 13, low noise speaker on low noise bottom disk 4, low noise,
The right cover plate 11 of low noise, right generator air-inlet cavity cover board 4-1, chassis air flow chamber coaming plate 4-2, in the air flow chamber cover board 4-3 of chassis
It is equipped with waveform sound-absorbing sponge 15.
The present embodiment is right by top box 13, the left cover plate 14 of low noise speaker and low noise on low noise bottom disk 4, low noise
The babinet that cover plate 11 is formed by engine 1, left generator 2, right generator 3, frequency converter 12, shock-absorbing frame 5, heat dissipation air inducing case 7,
In gas-guide tube 9, multi-section silencer 10 cover at before silencer, and pass through low noise bottom disk 4, heat dissipation air inducing case 7, silencer chamber
Chamber lid 11-1, waveform sound-absorbing sponge 15 carry out before gas-guide tube 9, multi-section silencer 10, silencer chamber before chamber lid 8, silencer afterwards
Noise reduction, so as to achieve the purpose that low noise.
In the present embodiment, as shown in Figure 10, Figure 11, Figure 12, air flue arrangement air-flow cooling trend;Engine 1 runs work
When drive the left induced draught fan 2-4 of left generator 2, by the left wind scooper 2-5 centers air inlet air-breathing of left generator 2, the bottom of from
The right air inlet duct 4-2-2, chassis air flow chamber coaming plate rear right before the right air inlet duct 4-2-1 of disk air flow chamber coaming plate, chassis air flow chamber coaming plate
Side air inlet duct 4-2-3 inspiratory airflows enter tray bottom charge air flow chamber 4-11 by being disposed under 4 left side of low noise bottom disk
Outer air stream is sucked after radiating to left generator 2 and gives engine 1 top cylinder by air inlet duct 4-10 in left generator air-flow
Air-flow enters the lower part box radiating groove with engine 1 in heat dissipation air inducing case 7 after head heat dissipation, forms low noise speaker left side air gas
Flow cooling system.
Engine 1 runs the right induced draught fan 3-4 that right generator 3 is driven during work, passes through the right air inlet cover of right generator 3
Plate 3-5 air-breathings, air-flow pass through the right air inlet duct 4-2-1 of chassis air flow chamber coaming plate, chassis air flow chamber coaming plate above low noise bottom disk 4
The right air inlet duct 4-2-3, passes through tray bottom by outer air stream after preceding the right air inlet duct 4-2-2, chassis air flow chamber coaming plate
Air intake duct 4-5 is sucked in charge air flow chamber 4-11, right generator air-flow passes through right generator 3 to air-flow after radiating in frequency converter 12
Right air inlet cover board 3-5 air inlets suck and radiate to right generator 3, air-flow is gone out by right ventilation case 3-1 after right generator 3 radiates
Air port is sent into heat dissipation air inducing case 7 by air inlet 7-1, the induced draft plate 7-2 of 7 bottom of air inducing case of radiating, it is right to form low noise speaker
Side air draught cooling system.
Two cooling air-flows gas-guide tube 9 before heat dissipation air inducing case 7 crosses to silencer radiates and into silencer chamber to more
Section silencer 10 radiates, and air-flow is passed through with heat by chamber lid 11-1 before silencer chamber, from right 11 the right of cover plate of low noise
Outer hundred shutters air outlet 11-3 outflows, form low noise box back air draught discharge system.
Engine control air air-flow cooling system:Engine 1 needs air to enter cylinder head combustion chamber in the process of running,
It by air inlet, compresses, acting, is vented four strokes and completes a working cycles, this low noise frequency conversion air-cooled diesel generating set
1 air inlet of engine by coming in engine suction air inlet 4-9, pass through the air filter on low noise bottom disk 4
Core air inlet tube connection ports 4-6 enters 1 air filtering core of engine by air filtering core air inlet pipe 1-3 and is inhaled to the burning of cylinder head inner combustion chamber
Gas explosion is discharged after frying, and is discharged after burning air-breathing combustion explosion in cylinder head, is excluded air gas and is entered by gas-guide tube before silencer 9
Multi-section silencer exhaust outlet 11-4 discharge of the multi-section silencer 10 on right 11 outside of cover plate of low noise, forms engine 1
Air inlet and the air operational system of exhaust.
Engine housing cooling air-flow recycles:The organism bottom radiating airflow outlet plenum 4-8 of engine 1 and tray bottom into
Gas air flow chamber 4-11 is that head is led in upper downstream intercommunication, when tray bottom charge air flow chamber 4-11 gives left generator 2 conveying cooling gas
During stream, the air-flow that 1 bottom of box of engine radiates is sucked out rapidly by organism bottom radiating airflow outlet plenum 4-8, suction
Air-flow imports tray bottom charge air flow chamber 4-11 and radiates to left generator 2, and the left heat dissipation of generator 2 rear portion air-flow is pressed into
1 bottom of box radiating groove of engine flows out chamber 4-8 by bottom of box radiating airflow and returns to tray bottom charge air flow chamber 4-
11, the 1 babinet cooling air-flow circulatory system of engine of suction is depressed in composition.
Fuel tank cooling air-flow in babinet:When left generator 2 and right generator 3 in low noise speaker interior suction into cooling air
When will drive two bursts of cooling air-flows respectively from preceding fuel tank cool down air inlet 13-8 and rear fuel tank cooling air inlet 13-9 enter babinet
It is interior, the heat that fuel tank 13-1 sheds has been taken away while air-flow enters in babinet, has formed fuel tank cooling air-flow system.
Two cooling air-flows gas-guide tube 9 before heat dissipation air inducing case 7 crosses to silencer radiates and into silencer chamber to more
Section silencer 10 radiates, and air-flow is passed through with heat by chamber lid 11-1 before silencer chamber, from right 11 the right of cover plate of low noise
Outer shutter air outlet outflow, forms low noise box back air draught removal system.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of low noise air-cooled diesel variable-frequency power generation unit cooling system, it is characterised in that:Including engine (1), the hair
The bottom of motivation (1) is connected with low noise bottom disk (4) by shock-absorbing frame (5), is connected in the air inlet pipe of the engine (1)
Air filtering core air inlet pipe (1-3);The top of the engine (1) is connected with before cylinder head air inducing frame after air inducing frame (1-4) and cylinder head
(1-5);The right end of air inducing frame (1-5) is connected separately with heat dissipation air inducing case (7) after air inducing frame (1-4) and cylinder head before the cylinder head;
The right end of the heat dissipation air inducing case (7) is connected with chamber lid (8) after silencer chamber;The cylinder head exhaust outlet connection of the engine (1)
There is gas-guide tube (9) before silencer;Before the silencer gas-guide tube (9) across heat dissipation air inducing case (7);Gas-guide tube before the silencer
(9) right end is connected with multi-section silencer (10);The low noise bottom disk (4) be equipped with the left cover plate of low noise speaker (14) and
The right cover plate of low noise (11), and the right cover plate of the low noise (11) is connected with chamber lid after silencer chamber (8);The low noise
Be connected with top box on low noise (13) on speaker chassis (4), and on low noise top box (13) left and right ends respectively with low noise
The left cover plate of case (14) is connected with the right cover plate of low noise (11);Top box on the low noise bottom disk (4), low noise
(13), the left cover plate of low noise speaker (14) and the right cover plate of low noise (11) form a babinet, and babinet is by engine (1), left
In generator (2), right generator (3), frequency converter (12) cover at;
The low noise bottom disk (4) is equipped with right generator air-inlet cavity cover board (4-1), the right generator air-inlet cavity cover board
The interior bottom of (4-1) and low noise bottom disk (4) are formed with right generator air-flow inlet chamber (4-4);The low noise bottom disk
(4) it is equipped with chassis air flow chamber coaming plate (4-2);Chassis air flow chamber cover board (4- is connected on the chassis air flow chamber coaming plate (4-2)
3);The chassis air flow chamber coaming plate (4-2) is equipped with the right air inlet duct of chassis air flow chamber coaming plate (4-2-1), chassis air flow chamber coaming plate
The right air inlet duct (4-2-3) after preceding the right air inlet duct (4-2-2), chassis air flow chamber coaming plate;It is set on the low noise bottom disk (4)
There is in left generator air-flow air intake duct (4-5) in air inlet duct (4-10) and right generator air-flow;On the low noise bottom disk (4)
Equipped with the air filtering core air inlet tube connection ports (4-6) being connected with air filtering core air inlet pipe (1-3);The low noise bottom disk
(4) storage battery (4-7) is connected with by battery jar rack on;The low noise bottom disk (4) exports equipped with organism bottom radiating airflow
Chamber (4-8) and engine suction air inlet (4-9);The bottom of the low noise bottom disk (4) is formed with tray bottom air inlet gas
Flow chamber (4-11);The bottom of the low noise bottom disk (4) is equipped with wheel (4-0);
Air flue arrangement air-flow cooling trend;Engine (1) runs the left induced draught fan (2-4) that left generator (2) is driven during work,
By left wind scooper (2-5) center air inlet air-breathing of left generator (2), from the right air inlet duct of chassis air flow chamber coaming plate (4-2-1),
The right air inlet duct (4-2-2) before the air flow chamber coaming plate of chassis, after the air flow chamber coaming plate of chassis the right air inlet duct (4-2-3) inspiratory airflow into
Enter tray bottom charge air flow chamber (4-11) by being disposed with air inlet duct in left generator air-flow under low noise bottom disk (4) left side
(4-10), outer air stream is sucked after radiating to left generator (2) give after the heat dissipation of engine (1) top cylinder head air-flow into
Enter to radiate the interior lower part box radiating groove with engine (1) of air inducing case (7), forms low noise speaker left side air air-flow cooling system
System;
Engine (1) drives the right induced draught fan (3-4) of right generator (3) when running work, by right generator (3) it is right into
Windshield plate (3-5) air-breathing, air-flow pass through low noise bottom disk (4) the right air inlet duct of chassis air flow chamber coaming plate (4-2-1), chassis above
The right air inlet duct (4-2-3) after the right air inlet duct (4-2-2), chassis air flow chamber coaming plate before air flow chamber coaming plate, by extraneous air gas
Stream passes through air intake duct (4-5), right generator air-flow inlet chamber in tray bottom charge air flow chamber (4-11), right generator air-flow
(4-4) suck to air-flow after heat dissipation in frequency converter (12) by right air inlet cover board (3-5) air inlet of right generator (3) suck to
Right generator (3) heat dissipation, air-flow passes through the air inducing case that radiates by right ventilation case (3-1) air outlet after right generator (3) heat dissipation
(7) air inlet (7-1) of bottom, induced draft plate (7-2) are sent into heat dissipation air inducing case (7), form low noise speaker right hand side air air-flow
Cooling system;
Two cooling air-flows gas-guide tube (9) before heat dissipation air inducing case (7) crosses to silencer radiates and enters silencer chamber to more
It saves silencer (10) to radiate, air-flow is passed through with heat by chamber lid before silencer chamber (11-1), from the right cover plate of low noise
(11) outer hundred shutter air outlets (11-3) outflow in the right, forms low noise box back air draught discharge system;
Engine control air air-flow cooling system:Engine (1) needs air to enter cylinder head combustion chamber in the process of running, leads to
Air inlet is crossed, is compressed, acting is vented four strokes and completes a working cycles, this low noise frequency conversion air-cooled diesel generating set
Engine (1) air inlet is empty by one on low noise bottom disk (4) by coming in engine suction air inlet (4-9)
Filter element air inlet tube connection ports (4-6), by air filtering core air inlet pipe (1-3) into engine (1) air filtering core to cylinder head internal combustion
It burns and is discharged after burning air-breathing combustion explosion in discharge cylinder head after room burning air-breathing is exploded, it is leading by silencer to exclude air gas
Multi-section silencer exhaust outlet (11-4) row of the tracheae (9) into multi-section silencer (10) on the right cover plate of low noise (11) outside
Go out, form the air inlet of engine (1) and the air operational system of exhaust;
Engine housing cooling air-flow recycles:The organism bottom radiating airflow outlet plenum (4-8) of engine (1) and tray bottom into
Gas air flow chamber (4-11) is that head is led in upper downstream intercommunication, when tray bottom charge air flow chamber (4-11) is conveyed to left generator (2)
During cooling air-flow, the air-flow of engine (1) bottom of box heat dissipation is inhaled rapidly by organism bottom radiating airflow outlet plenum (4-8)
Go out, the air-flow of suction imports tray bottom charge air flow chamber (4-11) and radiates to left generator (2), after left generator (2) heat dissipation
A part of air-flow is pressed into engine (1) bottom of box radiating groove, and flowing out chamber (4-8) by bottom of box radiating airflow returns to bottom
Tray bottom charge air flow chamber (4-11) depresses engine (1) babinet cooling air-flow circulatory system of suction in composition;
Fuel tank cooling air-flow in babinet:When left generator (2) and right generator (3) in low noise speaker interior suction into cooling air
When will drive two bursts of cooling air-flows respectively from preceding fuel tank cooling air inlet (13-8) and rear fuel tank cooling air inlet (13-9) entrance
The heat that fuel tank (13-1) sheds has been taken away in babinet, while air-flow enters in babinet, has formed fuel tank cooling air-flow system.
2. a kind of low noise air-cooled diesel variable-frequency power generation unit cooling system according to claim 1, it is characterised in that:Institute
Stating heat dissipation air inducing case (7) bottom has air inlet (7-1), and air inlet (7-1) is equipped with induced draft plate (7-2).
3. a kind of low noise air-cooled diesel variable-frequency power generation unit cooling system according to claim 1, it is characterised in that:Institute
It states and chamber lid (11-1) before silencer chamber is connected on the left of the right cover plate of low noise (11);The right cover plate of low noise (11)
Right side is equipped with shutter air outlet (11-3) and multi-section silencer exhaust outlet matched with multi-section silencer (10) (11-4).
4. a kind of low noise air-cooled diesel variable-frequency power generation unit cooling system according to claim 1, it is characterised in that:Institute
State low noise bottom disk (4), top box (13) on low noise, the left cover plate of low noise speaker (14), the right cover plate of low noise (11), right
Waveform suction is equipped in generator air-inlet cavity cover board (4-1), chassis air flow chamber coaming plate (4-2), chassis air flow chamber cover board (4-3)
Sound sponge (15).
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Cited By (1)
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CN112260458A (en) * | 2020-11-10 | 2021-01-22 | 尹登昌 | Cooling and heat dissipation method for general engine generator |
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