CN102192002B - Small-sized single-cylinder air cooling super-silent diesel generator set - Google Patents
Small-sized single-cylinder air cooling super-silent diesel generator set Download PDFInfo
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- CN102192002B CN102192002B CN 201110092038 CN201110092038A CN102192002B CN 102192002 B CN102192002 B CN 102192002B CN 201110092038 CN201110092038 CN 201110092038 CN 201110092038 A CN201110092038 A CN 201110092038A CN 102192002 B CN102192002 B CN 102192002B
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Abstract
The invention discloses a small-sized single-cylinder air cooling diesel generator set, relates to a generator set, and aims to provide a small-sized single-cylinder air cooling diesel generator set which has low noise, controls temperature rise effectively and maintains the original power. The small-sized single-cylinder air cooling diesel generator set comprises an engine, a generator, an inner box body and an outer box body, wherein the inner box body comprises a top plate, a bottom plate, a left partition plate and a right partition plate; space on the right side of the right partition plate is communicated with space above the top plate to form a main air inlet cavity A; a main operating cavity B is formed inside the inner box body forms and is communicated with the main air inlet cavity A; space on the left side of the left partition plate forms a noise reduction exhaust cavity C; the generator comprises a shell, a stator, a rotor and a central shaft; a front fan is fixedly arranged on the outer side of the front end of the central shaft; a front air outlet is formed on the shell; a fan shell is fixedly arranged at the rear end of the shell; a plurality of induced air holes communicated with the main operating cavity B are formed on the fan shell; and a rear fan is arranged in the fan shell.
Description
Technical field
The present invention relates to a kind of generator set, particularly relate to a kind of generator set with ventilation cooling system.
Background technique
Medium and small diesel oil, diesel generating set, mainly be used in the places such as family, hospital, shop, school, bank, army, office building, communication device, sea farming, field work, frontier sentry, rescue and relief work, as emergent, standby power supply, of many uses.On the existing market, medium and small generator set is because temperature rise, noise, discharging three large problems fail effectively to solve, only has the unenclosed construction unit, noise is large, discharging is poor, using effect is undesirable, and inconvenience fails to satisfy the client day by day to the high demand of unit quality.Because the generator set operating temperature is high, noise is large, fuel is inflammable and explosive, and the combined influence of the factors such as high-temperature evaporation has restricted technology upgrading and the development of this product.Do not have so far a kind of high-quality, reliable, safe, practical super-silent, the generator set of good cooling results is put on market and is approved by the client.
Summary of the invention
It is little that the technical problem to be solved in the present invention provides a kind of noise, effectively controls temperature rise, keeps the single-cylinder air-cooled minitype diesel oil engine group of original power.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, comprise motor and generator, also comprise internal box and outer casing, be fixedly installed fuel tank in the top cover of described outer casing, described internal box comprises top board, base plate, left clapboard and right clapboard, described top board is horizontally fixed on the below of fuel tank, described floor level is fixed on the bottom of outer casing, described left clapboard and right clapboard vertically are fixed between top board and the base plate, the space on described right clapboard right side is connected with the space of top board top and consists of main air-inlet cavity A, offer the primary air inlet that is connected with main air-inlet cavity A on the described outer casing, the main active chamber B of the inner formation of described internal box, the through hole of offering on the described right clapboard makes main active chamber B be connected with main air-inlet cavity A, the space in described left clapboard left side consists of noise reduction exhaust cavity C, described outer casing bottom offers the main vent that is connected with noise reduction exhaust cavity C
Described motor is single-cylinder air-cooled diesel engine, motor is installed in the main active chamber B near right clapboard, cooling fan on the motor is towards main air-inlet cavity A, described generator is installed in the main active chamber B near left clapboard, generator comprises shell, stator, rotor and central shaft, described stator fixed installation in the enclosure, described rotor is fixedly mounted on the central shaft, the front end of described central shaft is connected with the output shaft of motor, the rear end of central shaft is installed in the shell rear portion by bearing support and the bearing that arranges in the enclosure, the front end outside of described central shaft is installed with front fan, described front fan has at least two front centrifugal fans, be provided with the front exhaust port corresponding with front centrifugal fan on the anterior sidewall of described shell, the outer installment of described front exhaust port has lower air outlet flue, described lower air outlet flue passes base plate and is connected with lower exhaust port on the outer casing, be provided with rear air inlet on the described shell rear sidewall, the outer installment of described rear air inlet has lower intake duct, described lower intake duct passes base plate and is connected with lower intake grill on the outer casing, be installed with Fan casing on the rear end of shell, the through hole that the rear portion of described Fan casing is passed on the left clapboard is connected with noise reduction exhaust cavity C, offer the some air inducing hole that is connected with main active chamber B on the anterior sidewall of Fan casing, be provided with aft-fan in the Fan casing, the shell wall that the front end of the aft-fan axle of described aft-fan passes Fan casing and shell is fixedly connected with the rear end of central shaft
In the described main active chamber B air outlet flue is installed, one end of described upper air outlet flue is corresponding with the fin section on the cylinder body of motor, the other end of upper air outlet flue is fixed on another through hole on the left clapboard, C is connected with the noise reduction exhaust cavity, and described waste pipe is connected with the exhaust pipe mouth of outer casing bottom by upper air outlet flue and noise reduction exhaust cavity C inside.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention is provided with some silencing boards in the wherein said Fan casing, described silencing board is installed in parallel between air inducing hole and the aft-fan, offers some dislocation hole on the silencing board.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, centrifugal fan or rear shaft flow blade after wherein said aft-fan comprises at least two.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, wherein said shell comprises protecgulum, stator outer housing, bonnet and the rear air cover that sets gradually from front to back, be connected by the some front and rear covers clamping bolts that are positioned at the stator outer housing outside between protecgulum and the bonnet, the front end of described protecgulum offers and is suitable for the front through hole that engine output shaft passes, described front exhaust port is positioned on the protecgulum sidewall, and Open Side Down, the rear end of described rear air cover offers and is suitable for the rear through hole that the aft-fan axle passes, described rear air inlet is positioned on the rear air cover sidewall, and Open Side Down.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention is provided with the fastening stay bolt of the central shaft coaxial with it in the wherein said central shaft, described central shaft is in the same place engine output shaft, central shaft and aft-fan axle three axial restraint with fastening stay bolt.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, the front end of wherein said central shaft axially offers the taper axis hole, and the taper spindle nose of described taper axis hole and engine output shaft is complementary.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, the front end of wherein said aft-fan axle is provided with male thread portion or female thread portion, the rear end of described central shaft is provided with the female thread portion corresponding with it or male thread portion, and described male thread portion and female thread portion are in mating connection;
Perhaps the rear end of described central shaft insert in the front end of aft-fan axle and with its drive fit, the front end of described aft-fan axle radially is provided with a pair of pin, the inner of described pin is arranged in groove or the hole of central shaft outer surface.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, wherein said outlet pipe are positioned on the body of air outlet flue and are in series with shockproof bellows, and outlet pipe is positioned on the body of noise reduction exhaust cavity C and is in series with the first class sound arrester and secondary muffler.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, wherein said primary air inlet comprises some inlet holes, wherein the partial-air admission hole is positioned on the top cover sidewall of noise reduction exhaust cavity C top, and the remaining part inlet hole is positioned on the outer casing sidewall or diapire around main air-inlet cavity A; Described lower exhaust port is positioned on the diapire of outer casing; Described lower intake grill is positioned on the sidewall of outer casing of floor below.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention, wherein said top cover are installed in by hinge on the sidewall of outer casing, between described fuel tank bottom and the top board pneumatic jack bar are installed;
Described generator and motor are supported on the base plate by the anti-vibration rubber pad of bottom;
Be pasted with the flame-retardant sponge of 20mm on the inwall of described outer casing; The upper surface of described top board is pasted with the flame-retardant sponge of 6mm, and lower surface is pasted with the glass fibre of 8mm, the aluminium platinum of 0.2mm and the flame-retardant sponge of 6mm successively; Be pasted with respectively the flame-retardant sponge of 6mm on the left and right surfaces of described right clapboard; Be pasted with successively from inside to outside respectively the glass fibre of 8mm, the aluminium platinum of 0.2mm and the flame-retardant sponge of 6mm on the left and right surfaces of described left clapboard;
The universal wheels that two large rubber tires and two strap brakes are installed of described outer casing bottom;
On the outer side wall of described outer casing pushing hands is installed;
Three openable side doors are installed on the sidewall of described outer casing, lock and Stamping Steel Ribbon are installed between described side door and top cover and the outer casing;
Emergency stop switch and tutorial light are installed on the outer side wall of described outer casing.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention utilizes internal box and outer casing that generator set is separated into main air-inlet cavity A, main active chamber B and noise reduction exhaust cavity C, motor and generator are installed in the main active chamber B, cool air beyond the outer casing enters in the main air-inlet cavity A from the primary air inlet on the casing, cooling fan on the motor cools off the cylinder part to motor in the sub-fraction cool air suction motor in the main air-inlet cavity A, cooled air enters noise reduction exhaust cavity C from upper air exhaust channel, then discharges outer casing from main vent; Generator is separately installed with front fan and aft-fan at the two ends of central shaft, front exhaust port on the shell, rear air inlet and front fan have consisted of the cooling duct in the generator casing, when rotating under the drive of central shaft at engine output shaft, front fan is rotary work together thereupon, under the pumping action of front fan, cool air enters lower air inlet duct from the lower suction port of outer casing bottom, then enter in the shell from rear air inlet, cool air is by rear extremely front by stator and rotor, exhaust port is discharged shell in the past again, discharge from the lower relief opening of outer casing bottom through lower air exhaust channel, along with the continuous circulation of cool air in generator casing, the temperature rise of generator is controlled effectively; Simultaneously, Fan casing and aft-fan have consisted of the cooling duct of generator casing outside, because generator is when normal operation, the outer surface of its shell is also at outside distribute heat, the temperature of main active chamber B also can increase, aft-fan also rotary work along with the rotation of central shaft when generator is worked, under the pumping action of aft-fan, most of cool air in the main air-inlet cavity A enters in the main active chamber B, motor and generator surface are cooled off, cooled air enters in the Fan casing from the air inducing hole on the Fan casing, then the rear portion from Fan casing enters in the noise reduction exhaust cavity C, discharge outer casing from main vent again, effective control has also been carried out in the temperature rise of generator casing outside.Owing to adopt the above-mentioned minute air-cooled type of cooling in chamber, the each several part of generator set can both effectively be cooled off, because motor and generator are installed in two layer box bodies, make the noise of motor and generator obtain effective control again.
The partial-air admission hole of primary air inlet is positioned on the top cover sidewall of noise reduction exhaust cavity C top in the single-cylinder air-cooled minitype diesel oil engine group of the present invention, when generator set is worked, part cool air enters from the inlet hole on the top cover sidewall, enter in main air-inlet cavity A and the main active chamber B by the cavity between fuel tank below and the top board, thereby fuel tank is also cooled off, suppress the diesel oil high-temperature evaporation in the fuel tank.
Below in conjunction with accompanying drawing single-cylinder air-cooled minitype diesel oil engine group of the present invention is described further.
Description of drawings
Fig. 1 is that the master of the single-cylinder air-cooled minitype diesel oil engine group of the present invention looks sectional view;
Fig. 2 is that the master of generator in the single-cylinder air-cooled minitype diesel oil engine group of the present invention looks sectional view;
Fig. 3 is that sectional view (not being with wheel) is looked on the left side of the single-cylinder air-cooled minitype diesel oil engine group of the present invention;
Fig. 4 is the rear view (not being with wheel) of the single-cylinder air-cooled minitype diesel oil engine group of the present invention;
Fig. 5 is the plan view (opening top cover) of the single-cylinder air-cooled minitype diesel oil engine group of the present invention;
Fig. 6 is the partial enlarged drawing at I place among Fig. 2;
Fig. 7 a is the aft-fan axle of generator in the single-cylinder air-cooled minitype diesel oil engine group of the present invention and the first embodiment of central shaft Placement;
Fig. 7 b is the aft-fan axle of generator in the single-cylinder air-cooled minitype diesel oil engine group of the present invention and the second embodiment of central shaft Placement;
Fig. 7 c is the aft-fan axle of generator in the single-cylinder air-cooled minitype diesel oil engine group of the present invention and the third embodiment of central shaft Placement.
Embodiment
As shown in Figure 1, the single-cylinder air-cooled minitype diesel oil engine group of the present invention comprises motor 30, generator 31, internal box 32 and outer casing 33, is fixedly installed fuel tank 34 in the top cover 60 of outer casing 33.Internal box 32 comprises top board 35, base plate 36, left clapboard 37 and right clapboard 38, top board 35 is horizontally fixed on the below of fuel tank 34, base plate 36 is horizontally fixed on the bottom of outer casing 33, left clapboard 37 and right clapboard 38 vertically are fixed between top board 35 and the base plate 36, the space on right clapboard 38 right sides is connected with the space of top board 35 tops and consists of main air-inlet cavity A, offers the primary air inlet 39 that is connected with main air-inlet cavity A on the outer casing 33.The main active chamber B of internal box 32 inner formations, the through hole of offering on the right clapboard 38 makes main active chamber B be connected with main air-inlet cavity A, the space in left clapboard 37 left sides consists of noise reduction exhaust cavity C, and outer casing 33 bottoms offer the main vent 40 that is connected with noise reduction exhaust cavity C.Primary air inlet 39 comprises some inlet holes, and wherein the partial-air admission hole is positioned on top cover 60 sidewalls of noise reduction exhaust cavity C top, and the remaining part inlet hole is positioned on outer casing 33 sidewalls or diapire around main air-inlet cavity A.Generator 31 and motor 30 are supported on the base plate 36 by the vibrationproof rubber cushion 53 of bottom, vibrationproof rubber cushion 53 can reduce main frame vibration and noise, motor 30 is single-cylinder air-cooled diesel engine, motor 30 is installed in the main active chamber B near right clapboard 38, cooling fan on the motor 30 is towards main air-inlet cavity A, and generator 31 is installed in the main active chamber B near left clapboard 37.
In conjunction with shown in Figure 2, generator 31 comprises shell 1, stator 2, rotor 3 and central shaft 4, shell 1 comprises the protecgulum 19 that sets gradually from front to back, stator outer housing 20, bonnet 21 and rear air cover 22, be connected by the some front and rear covers clamping bolts 23 that are positioned at stator outer housing 20 outsides between protecgulum 19 and the bonnet 21, the front end of protecgulum 19 offers and is suitable for the front through hole 24 that engine output shaft passes, stator 2 is fixedly mounted in the shell 1, rotor 3 is fixedly mounted on the central shaft 4, the front end of central shaft 4 axially offers taper axis hole 27, taper axis hole 27 is complementary with the taper spindle nose of engine output shaft, is used for being connected with the output shaft of motor.The rear end of central shaft 4 is installed in shell 1 rear portion by bearing support 5 and the bearing 6 that is arranged on the bonnet 21, the front end outside of central shaft 4 is installed with front fan 7, front fan 7 has four front centrifugal fans 8, be provided with the front exhaust port 9 corresponding with front centrifugal fan 8 on the sidewall of protecgulum 19, the outer installment of front exhaust port 9 has lower air outlet flue 41, lower air outlet flue 41 passes base plate 36 and is connected with lower exhaust port 42 on the outer casing 33, and lower exhaust port 42 is positioned on the diapire of outer casing 33.Be provided with rear air inlet 10 on the sidewall of rear air cover 22, the outer installment of rear air inlet 10 has lower intake duct 43, lower intake duct 43 passes base plate 36 and is connected with lower intake grill 44 on the outer casing 33, and lower intake grill 44 is positioned on the sidewall of outer casing 33 of base plate 36 belows.
Be bolted on the rear end of rear air cover 22 Fan casing 11 is installed, the through hole that the rear portion of Fan casing 11 is passed on the left clapboard 37 is connected with noise reduction exhaust cavity C, offer the air inducing hole 12 that some and main active chamber B is connected on the anterior sidewall of Fan casing 11, be provided with aft-fan 13 in the Fan casing 11, shaft flow blade 17 after aft-fan 13 comprised four, and fan blade 17 adopts ADC12 cast aluminium fan blade or glass fibre to add nylon 66 injection moulding fan blades.The shell wall that the front end of the aft-fan axle 14 of aft-fan 13 passes Fan casing 11 and rear air cover 22 is fixedly connected with the rear end of central shaft 4.In the present embodiment, the Placement of aft-fan axle 14 and central shaft 4 is shown in Fig. 7 a, and the front end of aft-fan axle 14 is provided with male thread portion, and the rear end of central shaft 4 is provided with female thread portion, and male thread portion and female thread portion are in mating connection.Be provided with the central shaft coaxial with it in the central shaft 4 with fastening stay bolt 26, central shaft inserts from the rear end of central shaft 4 with fastening stay bolt 26, and engine output shaft, central shaft 4 and aft-fan axle 14 three's axial restraints are in the same place.Be provided with 3 silencing boards 15 in the Fan casing 11, silencing board 15 is installed in parallel between air inducing hole 12 and the aft-fan 13, in conjunction with shown in Figure 6, offers some dislocation hole 16 on the silencing board 15, these dislocation holes 16 can be passed through air-flow, and sound wave is played certain barrier effect.
In the main active chamber B air outlet flue 45 is installed, an end of upper air outlet flue 45 is corresponding with the fin section on the cylinder body of motor 30, and the other end of upper air outlet flue 45 is fixed on another through hole on the left clapboard 37, and C is connected with the noise reduction exhaust cavity.In conjunction with shown in Figure 3, the outlet pipe 46 of motor 30 is connected with the exhaust pipe mouth 47 of outer casing 33 bottoms by upper air outlet flue 45 and noise reduction exhaust cavity C inside, outlet pipe 46 is positioned on the body of air outlet flue 45 and is in series with shockproof bellows 48, outlet pipe 46 is positioned on the body of noise reduction exhaust cavity C and is in series with the first class sound arrester 49 and secondary muffler 50, the surface of baffler is coated with 600 ℃ heat-resisting high temperature lacquer, wherein can catalyst converter be installed according to the requirement of emission standard in baffler.
As shown in Figure 4 and Figure 5, top cover 60 is installed in by hinge 51 on the sidewall of outer casing 33, between fuel tank 34 bottoms and the top board 35 pneumatic jack bar 52 is installed, and can open top cover 60 when needing, and with pneumatic jack bar 52 top cover 60 is supported.The universal wheels 55 that two large rubber tires 54 and two strap brakes are installed of outer casing 33 bottoms is equipped with pushing hands 56 on the outer side wall of outer casing 33, be convenient to mobile whole generator set, and it is parked in suitable position.Three openable side doors 57 are installed on the sidewall of outer casing 33, between side door 57 and top cover 60 and the outer casing 33 lock is installed, junction plane place in side door 57 and top cover 60 and outer casing 33 is equipped with the thick Stamping Steel Ribbon of 2mm, can safeguard by opening 60 pairs of generator set of side door 57 or top cover.Emergency stop switch 58 and tutorial light 59 are installed on the outer side wall of outer casing 33.
In order to improve muting function, and the cooling effect of each cooling chamber is not influenced each other, be pasted with the flame-retardant sponge of 20mm on the inwall of outer casing 33; The upper surface of top board 35 is pasted with the flame-retardant sponge of 6mm, and lower surface is pasted with the glass fibre of 8mm, the aluminium platinum of 0.2mm and the flame-retardant sponge of 6mm successively; Be pasted with respectively the flame-retardant sponge of 6mm on the left and right surfaces of right clapboard 38; Be pasted with successively from inside to outside respectively the glass fibre of 8mm, the aluminium platinum of 0.2mm and the flame-retardant sponge of 6mm on the left and right surfaces of left clapboard 37.
Main frame heat dissipating capacity and heat exhaust when the exhaust air rate of aft-fan 13 is greater than generator 31 rated power in the single-cylinder air-cooled minitype diesel oil engine group of the present invention, the full admission amount of primary air inlet 39 is greater than the exhaust air rate sum of motor 30 interior cooling fans and aft-fan 13, so just can make in the casing of whole generator set to reach thermal equilibrium state.
The single-cylinder air-cooled minitype diesel oil engine group of the present invention utilizes internal box and outer casing that generator set is separated into main air-inlet cavity A, main active chamber B and noise reduction exhaust cavity C, motor and generator are installed in the main active chamber B, cool air beyond the outer casing enters in the main air-inlet cavity A from the primary air inlet on the casing, cooling fan on the motor cools off the cylinder part to motor in the sub-fraction cool air suction motor in the main air-inlet cavity A, cooled air enters noise reduction exhaust cavity C from upper air exhaust channel, then discharges outer casing from main vent; Generator is separately installed with front fan and aft-fan at the two ends of central shaft, front exhaust port on the shell, rear air inlet and front fan have consisted of the cooling duct in the generator casing, when rotating under the drive of central shaft at engine output shaft, front fan is rotary work together thereupon, under the pumping action of front fan, cool air enters lower air inlet duct from the lower suction port of outer casing bottom, then enter in the shell from rear air inlet, cool air is by rear extremely front by stator and rotor, exhaust port is discharged shell in the past again, discharge from the lower relief opening of outer casing bottom through lower air exhaust channel, along with the continuous circulation of cool air in generator casing, the temperature rise of generator is controlled effectively; Simultaneously, Fan casing and aft-fan have consisted of the cooling duct of generator casing outside, because generator is when normal operation, the outer surface of its shell is also at outside distribute heat, the temperature of main active chamber B also can increase, aft-fan also rotary work along with the rotation of central shaft when generator is worked, under the pumping action of aft-fan, most of cool air in the main air-inlet cavity A enters in the main active chamber B, motor and generator surface are cooled off, cooled air enters in the Fan casing from the air inducing hole on the Fan casing, then the rear portion from Fan casing enters in the noise reduction exhaust cavity C, discharge outer casing from main vent again, effective control has also been carried out in the temperature rise of generator casing outside, observed temperature can be controlled in 45～50 ℃.Owing to adopt the above-mentioned minute air-cooled type of cooling in chamber, the each several part of generator set can both effectively be cooled off, because motor and generator are installed in two layer box bodies, make the noise of motor and generator obtain effective control again, survey 7 meters and only have 60～65 decibels.
Can suitably be out of shape on the basis of above-mentioned mode of execution, for example: centrifugal fan after aft-fan can comprise four is provided with the rear exhaust port corresponding with rear centrifugal fan on the rear sidewall of Fan casing.Aft-fan axle 14 can also adopt other dual mode with the Placement of central shaft 4, shown in Fig. 7 b, the front end of aft-fan axle 14 is provided with female thread portion, and the rear end of central shaft 4 is provided with male thread portion, and male thread portion and female thread portion are in mating connection.Shown in Fig. 7 c, the rear end of central shaft 4 insert in the front end of aft-fan axle 14 and with its drive fit, the front end of aft-fan axle 14 radially is provided with a pair of pin 28, the inner of pin 28 is arranged in the groove 29 of central shaft 4 outer surfaces.
The output frequency of the single-cylinder air-cooled minitype diesel oil engine group of the present invention is 50Hz or 60Hz, the single-phase 110V of voltage, 220V, 230V or 240V, three-phase 380V, 400V, 416V or 440V, rated power 2KVA～6KVA.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technological scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. single-cylinder air-cooled minitype diesel oil engine group, comprise motor (30) and generator (31), it is characterized in that: also comprise internal box (32) and outer casing (33), be fixedly installed fuel tank (34) in the top cover (60) of described outer casing (33), described internal box (32) comprises top board (35), base plate (36), left clapboard (37) and right clapboard (38), described top board (35) is horizontally fixed on the below of fuel tank (34), described base plate (36) is horizontally fixed on the bottom of outer casing (33), described left clapboard (37) and right clapboard (38) vertically are fixed between top board (35) and the base plate (36), the space on described right clapboard (38) right side is connected with the space of top board (35) top and consists of main air-inlet cavity (A), offer the primary air inlet (39) that is connected with main air-inlet cavity (A) on the described outer casing (33), the inner formation of described internal box (32) main active chamber (B), the through hole of offering on the described right clapboard (38) makes main active chamber (B) be connected with main air-inlet cavity (A), the space in described left clapboard (37) left side consists of noise reduction exhaust cavity (C), described outer casing (33) bottom offers the main vent (40) that is connected with noise reduction exhaust cavity (C)
Described motor (30) is single-cylinder air-cooled diesel engine, motor (30) is installed in the main active chamber (B) near right clapboard (38), cooling fan on the motor (30) is towards main air-inlet cavity (A), described generator (31) is installed in the main active chamber (B) near left clapboard (37), generator (31) comprises shell (1), stator (2), rotor (3) and central shaft (4), described stator (2) is fixedly mounted in the shell (1), described rotor (3) is fixedly mounted on the central shaft (4), the front end of described central shaft (4) is connected with the output shaft of motor (30), the rear end of central shaft (4) is installed in shell (1) rear portion by bearing support (5) and the bearing (6) that is arranged in the shell (1), the front end outside of described central shaft (4) is installed with front fan (7), described front fan (7) has at least two front centrifugal fans (8), be provided with the front exhaust port (9) corresponding with front centrifugal fan (8) on the anterior sidewall of described shell (1), the outer installment of described front exhaust port (9) has lower air outlet flue (41), described lower air outlet flue (41) passes base plate (36) and is connected with lower exhaust port (42) on the outer casing (33), be provided with rear air inlet (10) on described shell (1) rear sidewall, the outer installment of described rear air inlet (10) has lower intake duct (43), described lower intake duct (43) passes base plate (36) and is connected with lower intake grill (44) on the outer casing (33), be installed with Fan casing (11) on the rear end of shell (1), the through hole that the rear portion of described Fan casing (11) is passed on the left clapboard (37) is connected with noise reduction exhaust cavity (C), offer the some air inducing hole (12) that is connected with main active chamber (B) on the anterior sidewall of Fan casing (11), be provided with aft-fan (13) in the Fan casing (11), the shell wall that the front end of the aft-fan axle (14) of described aft-fan (13) passes Fan casing (11) and shell (1) is fixedly connected with the rear end of central shaft (4)
Air outlet flue (45) is installed in the described main active chamber (B), one end of described upper air outlet flue (45) is corresponding with the fin section on the cylinder body of motor (30), the other end of upper air outlet flue (45) is fixed on another through hole on the left clapboard (37), (C) is connected with the noise reduction exhaust cavity, and the outlet pipe (46) of described motor (30) is connected with the exhaust pipe mouth (47) of outer casing (33) bottom by upper air outlet flue (45) and noise reduction exhaust cavity (C) inside.
2. single-cylinder air-cooled minitype diesel oil engine group according to claim 1, it is characterized in that: be provided with some silencing boards (15) in the described Fan casing (11), described silencing board (15) is installed in parallel between air inducing hole (12) and the aft-fan (13), offers some dislocation hole (16) on the silencing board (15).
3. single-cylinder air-cooled minitype diesel oil engine group according to claim 2 is characterized in that: centrifugal fan or rear shaft flow blade (17) after described aft-fan (13) comprises two at least.
4. according to claim 2 or 3 described single-cylinder air-cooled minitype diesel oil engine groups, it is characterized in that: described shell (1) comprises the protecgulum (19) that sets gradually from front to back, stator outer housing (20), bonnet (21) and rear air cover (22), be connected by the some front and rear covers clamping bolts (23) that are positioned at stator outer housing (20) outside between protecgulum (19) and the bonnet (21), the front end of described protecgulum (19) offers and is suitable for the front through hole (24) that engine output shaft passes, described front exhaust port (9) is positioned on protecgulum (19) sidewall, and Open Side Down, the rear end of described rear air cover (22) offers and is suitable for the rear through hole (25) that aft-fan axle (14) passes, described rear air inlet (10) is positioned on rear air cover (22) sidewall, and Open Side Down.
5. single-cylinder air-cooled minitype diesel oil engine group according to claim 4, it is characterized in that: be provided with the central shaft coaxial with it in the described central shaft (4) with fastening stay bolt (26), described central shaft with fastening stay bolt (26) with engine output shaft, central shaft (4) and aft-fan axle (14) three's axial restraint together.
6. single-cylinder air-cooled minitype diesel oil engine group according to claim 5, it is characterized in that: the front end of described central shaft (4) axially offers taper axis hole (27), and described taper axis hole (27) is complementary with the taper spindle nose of engine output shaft.
7. single-cylinder air-cooled minitype diesel oil engine group according to claim 6, it is characterized in that: the front end of described aft-fan axle (14) is provided with male thread portion or female thread portion, the rear end of described central shaft (4) is provided with the female thread portion corresponding with it or male thread portion, and described male thread portion and female thread portion are in mating connection;
Perhaps the rear end of described central shaft (4) insert in the front end of aft-fan axle (14) and with its drive fit, the front end of described aft-fan axle (14) radially is provided with a pair of pin (28), and the inner of described pin (28) is arranged in groove or hole (29) of central shaft (4) outer surface.
8. single-cylinder air-cooled minitype diesel oil engine group according to claim 1, it is characterized in that: described outlet pipe (46) is positioned on the body of air outlet flue (45) and is in series with shockproof bellows (48), and outlet pipe (46) is positioned on the body of noise reduction exhaust cavity (C) and is in series with the first class sound arrester (49) and secondary muffler (50).
9. single-cylinder air-cooled minitype diesel oil engine group according to claim 1, it is characterized in that: described primary air inlet (39) comprises some inlet holes, wherein the partial-air admission hole is positioned on top cover (60) sidewall of noise reduction exhaust cavity (C) top, and the remaining part inlet hole is positioned at around on the outer casing of main air-inlet cavity (A) (33) sidewall or the diapire; Described lower exhaust port (42) is positioned on the diapire of outer casing (33); Described lower intake grill (44) is positioned on the sidewall of the outer casing (33) below the base plate (36).
10. single-cylinder air-cooled minitype diesel oil engine group according to claim 1, it is characterized in that: described top cover (60) is installed on the sidewall of outer casing (33) by hinge (51), between described fuel tank (34) bottom and the top board (35) pneumatic jack bar (52) is installed;
Described generator (31) and motor (30) are supported on the base plate (36) by the vibrationproof rubber cushion (53) of bottom;
Be pasted with the flame-retardant sponge of 20mm on the inwall of described outer casing (33); The upper surface of described top board (35) is pasted with the flame-retardant sponge of 6mm, and lower surface is pasted with the glass fibre of 8mm, the aluminium platinum of 0.2mm and the flame-retardant sponge of 6mm successively; Be pasted with respectively the flame-retardant sponge of 6mm on the left and right surfaces of described right clapboard (38); Be pasted with successively from inside to outside respectively the glass fibre of 8mm, the aluminium platinum of 0.2mm and the flame-retardant sponge of 6mm on the left and right surfaces of described left clapboard (37);
The universal wheels (55) that two large rubber tires (54) and two strap brakes are installed of described outer casing (33) bottom;
Pushing hands (56) is installed on the outer side wall of described outer casing (33);
Three openable side doors (57) are installed on the sidewall of described outer casing (33), lock and Stamping Steel Ribbon are installed between described side door (57) and top cover (60) and the outer casing (33);
Emergency stop switch (58) and tutorial light (59) are installed on the outer side wall of described outer casing (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110092038 CN102192002B (en) | 2011-04-13 | 2011-04-13 | Small-sized single-cylinder air cooling super-silent diesel generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110092038 CN102192002B (en) | 2011-04-13 | 2011-04-13 | Small-sized single-cylinder air cooling super-silent diesel generator set |
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| Publication Number | Publication Date |
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| CN102192002A CN102192002A (en) | 2011-09-21 |
| CN102192002B true CN102192002B (en) | 2013-04-10 |
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| CN 201110092038 Expired - Fee Related CN102192002B (en) | 2011-04-13 | 2011-04-13 | Small-sized single-cylinder air cooling super-silent diesel generator set |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103630357A (en) * | 2013-11-29 | 2014-03-12 | 四川禧鑫机床制造有限责任公司 | Driven box of numerical control bevel gear checking machine |
| CN104314676B (en) * | 2014-09-05 | 2018-01-30 | 浙江耀锋动力科技有限公司 | Squelch type generating set complete machine structure |
| CN105977800A (en) * | 2016-07-18 | 2016-09-28 | 苏州市龙源电力科技股份有限公司 | Mute type power supply cabinet |
| CN109519275A (en) * | 2017-09-19 | 2019-03-26 | 南京加瑞尔自动化设备有限公司 | A kind of gasoline engine generator |
| CN114759733B (en) * | 2022-06-13 | 2022-09-02 | 常州大道机械有限公司 | Intelligent generator set |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169069A (en) * | 2007-11-09 | 2008-04-30 | 常州市海润机电有限公司 | Air-cooling diesel engine generation set |
| CN202047894U (en) * | 2011-04-13 | 2011-11-23 | 双悦（福建）动力机械有限公司 | Single cylinder air-cooled small-sized super mute diesel generating set |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004060569A (en) * | 2002-07-30 | 2004-02-26 | Yamaha Motor Co Ltd | Engine generator |
| JP2005224063A (en) * | 2004-02-06 | 2005-08-18 | Soqi Inc | Air-cooling device in power generator |
| ITMI20072428A1 (en) * | 2007-12-24 | 2009-06-25 | Gianfranco Bianchi | GENERATOR GROUP WITH OIL COOLING |
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2011
- 2011-04-13 CN CN 201110092038 patent/CN102192002B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169069A (en) * | 2007-11-09 | 2008-04-30 | 常州市海润机电有限公司 | Air-cooling diesel engine generation set |
| CN202047894U (en) * | 2011-04-13 | 2011-11-23 | 双悦（福建）动力机械有限公司 | Single cylinder air-cooled small-sized super mute diesel generating set |
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| CN102192002A (en) | 2011-09-21 |
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