CN115450755A

CN115450755A - Ultra-silent generating set box

Info

Publication number: CN115450755A
Application number: CN202211085604.1A
Authority: CN
Inventors: 张素琴; 胡继兵
Original assignee: Wuxi Youneng Machinery Co ltd
Current assignee: Wuxi Youneng Machinery Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-09

Abstract

The invention discloses an ultra-silent generator set box, which relates to the field of power generation devices and comprises a generator set base, wherein a generator, an engine, an air exhaust fan and a cooling water tank are fixedly connected to the generator set base from left to right in sequence, a generator set box is fixedly connected to the generator set base and the outside of the generator and the engine, an air inlet is formed in the side surface of the generator set box close to one end of the generator, and an air outlet is formed in the upper surface of the generator set box far away from one end of the generator. According to the invention, the air inlet and the air outlet are arranged, and only one air inlet and one air outlet are arranged in the device, so that the air flow utilizes a labyrinth air flow path, a straight line is not adopted, the labyrinth air flow path enables the air flow path to be longer, objects passing by the air flow are increased, multi-contact heat dissipation is promoted, the air flow is enabled to be longer in circulation time in the range of the generator set box body, and the noise carried in the air is further consumed.

Description

Ultra-silent generating set box

Technical Field

The invention relates to the technical field of power generation devices, in particular to an ultra-silent generator set box body.

Background

The silent generator set has one increased box unit for the open generator set to make the generator possess sound isolating and rain preventing functions, and the open generator set is closed with the casing and has sound isolating material adhered to the inner wall of the casing and air inlet and outlet for the generator set to suck air and dissipate heat.

At present, the noise reduction level of a common mute generator set is not high, the power requirement of certain special places on noise cannot be met, the structure of a box body of the common mute generator set is simple, a straight-through type air inlet and exhaust cooling air channel design is adopted, air inlets are formed in a plurality of positions of the box body, an exhaust window is formed at the rear end of a cooling water tank for direct exhaust, the path of cooling air entering the box body is short, heat generated by engine heat radiation in the box body cannot be effectively taken away, a large-area cooling air inlet must be formed, and mechanical noise generated by engine work cannot be effectively shielded; owing to adopt cooling air directly arrange behind the water tank, under unit cooling fan's the drumming, the noise in the box is transmitted the box external environment fast in, leads to environmental noise very big, to sum up the existence technical problem has: 1. the air inlet air filter of a common silent generator set mostly adopts direct air inlet, so that air inlet noise is directly transmitted to the environment; 2. most silencers of common silent generator sets are of a one-level silencing structure, the noise reduction level is not high, and the noise of exhaust gas discharged to the outside of a box body is large; therefore, a box structure for a generator set with high requirements on noise is needed.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide an ultra-silent generator set casing to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: super-silent generating set box, including the generating set base, from left hand right side fixedly connected with generator, engine, bleed fan and coolant tank in proper order on the generating set base, on the generating set base and in generator and the outside fixedly connected with generating set box of engine, the generating set box is close to the one end side surface of generator and has seted up the air intake, the one end upper surface that the generator was kept away from to the generating set box has seted up the air exit, coolant tank upper end fixedly connected with is used for blockking the separation baffle that bleed fan output and air exit communicate with each other and be connected, the other end and the generating set box inner wall fixed connection of separation baffle, the coolant tank surface is fixed in on the generating set base through cutting apart the mounting panel, just coolant tank's bottom fixedly connected with input communicates with each other with the tertiary silencer of being connected with the bleed fan output, the output of tertiary silencer communicates with each other with the air exit of separation baffle top and is connected.

According to a preferable technical scheme, an air filter is mounted on the surface of the upper end of a generator set box body through screws, an input end of the air filter is fixedly connected with an air inlet extension pipe, an output end of the air filter is fixedly connected with an air outlet extension pipe, an output end of a three-stage silencer is provided with a silencing barrel, the outer side of a cooling water tank is fixedly connected with a cooling water tank rear cover, and the air inlet extension pipe and the air outlet extension pipe are both long rubber hoses.

As a preferable technical scheme, the front surface and the rear surface of the generator set box body are hinged with box body outer doors through hinges, and the opposite inner side surfaces of the two box body outer doors are fixedly connected with box body inner doors.

As a preferable technical scheme, four corners of the generator set box body are provided with chamfer edges, and four corners of the upper surface of the generator set box body are provided with retractable anti-collision spring rollers.

As a preferred technical scheme, the box outer door comprises a steel plate shell and first sponge, the first sponge is filled in the steel plate shell, the box inner door comprises an aluminum foil plate layer fixedly connected with the box outer door, a cellular network plate frame is fixedly connected to the outer surface of the aluminum foil plate layer, and second sponge is filled between the cellular network plate frame and the aluminum foil plate layer.

According to a preferred technical scheme, the anti-collision spring roller comprises four fixed blocks fixedly connected to the upper surface of the generator set box body, telescopic rods penetrate through the fixed blocks in a sliding mode, one ends of the telescopic rods are fixedly connected with limiting plates, and the other ends of the telescopic rods are fixedly connected with connecting blocks.

As a preferable technical scheme, a reset spring is sleeved on the surface of the telescopic rod and between the connecting block and the fixing block, a rotating column is fixedly connected in the middle of the connecting block, a roller is rotatably connected to the rotating column through a bearing, and a rubber sleeve is fixedly sleeved on the outer surface of the roller.

In a preferred embodiment of the present invention, the generator, the engine, the exhaust fan, the cooling water tank, and the air cleaner are combined to form a generator set, and a labyrinth air flow path is formed in a gap between the inside of the generator set case and the generator set.

As a preferred technical solution of the present invention, the air inlet is an input end of a labyrinth air flow path, and the air outlet is an output end of the labyrinth air flow path.

The invention has the technical effects and advantages that:

1. compared with the prior art, through setting up air intake and air exit, only set up an air intake and air exit in this device, let the air current utilize labyrinth air circulation route, do not adopt directly arranging, labyrinth air circulation route makes air current circulation route longer, make the object that increases the air current and pass through, promote the heat dissipation of multicontact, and make the air current longer when circulating in generating set box within range, thereby further consume the noise that carries in the air.

2. Compared with the prior art, through setting up chamfer edge and anticollision spring roller for the edges and corners becomes gentle, and reduction diagonal length reduces striking salient most advanced object, and the unstable side deviation that easily takes place that leads to of the difficult laminating of roller contact surface curved surface rotates, thereby changes the straight line of striking dynamics and gives, makes easily change striking direction, further consumes the impact, thereby realizes the effect of the buffering striking in the certain limit.

3. Compared with the prior art, through setting up box outer door and box inner door, adopt double-deck door plate structure, improve the absorption of sound through the cavity on sponge and the cellular network sheet frame to and contact surface when having increased the sound transmission, make many bounce-backs and propagation path consume sound transmission energy, so that improve the noise elimination grade.

4. Compared with the prior art, through setting up long rubber hose, long rubber hose adopts longer rubber hose at this device usefulness, and one extension makes the transmission path lengthen more consumes the noise propagation, and the soft texture of rubber material has the amortization.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention.

Fig. 3 is a schematic diagram of a base structure of the generator set of the present invention.

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

FIG. 5 is a schematic view of the outer door of the container body of the present invention.

Fig. 6 is a schematic view of the air inlet structure of the present invention.

Fig. 7 is a schematic view of the present invention from multiple viewing angles.

The reference signs are: 1. a generator set base; 2. a generator set box body; 3. an air inlet; 4. an air outlet; 5. an outer door of the box body; 6. a generator; 7. an engine; 8. an air extraction fan; 9. a three-stage muffler; 10. a cooling water tank; 11. a blocking baffle plate; 12. an air cleaner; 13. an air inlet extension tube; 14. an air outlet extension pipe; 15. an acoustic elimination cylinder; 16. dividing the mounting plate; 17. a cooling water tank rear cover; 18. an inner door of the box body; 19. a fixed block; 20. a telescopic rod; 21. a return spring; 22. connecting blocks; 23. a roller; 24. and (4) a rubber outer sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The ultra-silent generator set box shown in the attached figures 1-7 comprises a generator set base 1, wherein a generator 6, an engine 7, an air exhaust fan 8 and a cooling water tank 10 are fixedly connected to the generator set base 1 from left to right in sequence, a generator set box 2 is fixedly connected to the generator 6 and the outside of the engine 7 on the generator set base 1, an air inlet 3 is formed in the side surface of one end, close to the generator 6, of the generator set box 2, an air outlet 4 is formed in the upper surface of one end, far away from the generator 6, of the generator set box 2, an isolation baffle 11 for blocking the output end of the air exhaust fan 8 from being communicated with the air outlet 4 is fixedly connected to the upper end of the cooling water tank 10, the other end of the isolation baffle 11 is fixedly connected to the inner wall of the generator set box 2, the outer surface of the cooling water tank 10 is fixed to the generator set base 1 through an isolation mounting plate 16, a third-stage silencer 9 with the input end of the cooling water tank 10 being communicated with the output end of the air exhaust fan 8 is fixedly connected to the bottom of the cooling water tank 9, and the air outlet 4 above the isolation baffle 11 is connected to the air outlet;

when the air-suction fan 8 is used, firstly, the left end of the air-suction fan 8 close to the right end in the generator set box 2 forms negative pressure by starting the air-suction fan 8, so that air flow continuously gushes from the air inlet 3 at the left end of the generator set box 2 and reaches the air-suction fan 8 through the generator 6, the air filter 12 and the engine 7, the air flow passes through the air-suction fan 8 and is output from the right end of the air-suction fan 8, and because the blocking baffle 11 is arranged below the air outlet 4 and on the upper part of the right end of the air-suction fan 8, the flow path of the air flow output at the right end of the air-suction fan 8 is limited and only passes through the three-stage silencer 9, and the output end of the three-stage silencer 9 is clapped to the air outlet 4 above the blocking baffle 11 to be discharged; wholly make and only set up an air intake 3 and air exit 4, and air intake 3 sets up and is close to generator 6 department at generating set, and other positions do not set up the air inlet, let the air current run through whole generator 6 and engine 7 department, discharge through setting up in the air exit 4 at generating set box 2 tops at last, do not adopt directly arranging for the air current heat dissipation utilizes more fully.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, an air filter 12 is mounted on the upper end surface of the generator set box 2 through screws, an input end of the air filter 12 is fixedly connected with an air inlet extension pipe 13, an output end of the air filter 12 is fixedly connected with an air outlet extension pipe 14, an output end of the three-stage muffler 9 is mounted with a muffling cylinder 15, the outer side of the cooling water tank 10 is fixedly connected with a cooling water tank rear cover 17, and the air inlet extension pipe 13 and the air outlet extension pipe 14 both adopt long rubber hoses;

when the air cleaner 12 is used, the air cleaner 12 is arranged in front of a carburetor or an air inlet pipe, so that a large amount of air is sucked into the engine in the working process, the effect of filtering dust and sand grains in the air is realized through the air cleaner 12, and sufficient and clean air is ensured to enter the cylinder; and through adopting tertiary silencer 9 for improve the noise elimination grade, still increase cooling water tank back shroud 17, prolong engine 7 and pass through the route of water tank transmission noise, consume the noise transmission energy, further improve the noise elimination grade, and long rubber hose is long rubber hose, and one of them extension makes the transmission route lengthen more consumes the noise transmission, and the soft texture of rubber material has the amortization effect.

In a preferred embodiment, as shown in fig. 1 and 5, the front and back surfaces of the generator set box 2 are hinged to box outer doors 5 through hinges, and opposite inner side surfaces of the two box outer doors 5 are fixedly connected with box inner doors 18, each box outer door 5 comprises a steel plate shell and a first sponge, the first sponge is filled in the steel plate shell, each box inner door 18 comprises an aluminum foil plate layer fixedly connected with the box outer door 5, the outer surface of each aluminum foil plate layer is fixedly connected with a cellular network plate frame, and a second sponge is filled between the cellular network plate frame and the corresponding aluminum foil plate layer;

when the sound absorption type sound absorption box is used, the box outer door 5 and the box inner door 18 are combined for use, a double-layer door plate structure is adopted, the box outer door 5 is formed by combining a steel plate shell and first sponge, the box inner door 18 is formed by combining an aluminum foil plate layer, a cellular network plate frame and second sponge, sound absorption is improved through the sponge and holes in the cellular network plate frame, contact surfaces are increased when sound is transmitted, and therefore multiple rebounding and transmission paths consume sound transmission energy, and the noise elimination grade is improved.

In a preferred embodiment, as shown in fig. 1 and fig. 4, four corners of the generator set box 2 are all provided with chamfer edges, and four corners of the upper surface of the generator set box 2 are all provided with retractable anti-collision spring rollers, each anti-collision spring roller comprises four fixed blocks 19 fixedly connected to the upper surface of the generator set box 2, each fixed block 19 is slidably penetrated with a telescopic rod 20, one end of each telescopic rod 20 is fixedly connected with a limiting plate, the other end of each telescopic rod 20 is fixedly connected with a connecting block 22, the surface of each telescopic rod 20 is sleeved with a reset spring 21 between the connecting block 22 and the corresponding fixed block 19, the middle of each connecting block 22 is fixedly connected with a rotary column, each rotary column is rotatably connected with a roller 23 through a bearing, and the outer surface of each roller 23 is fixedly sleeved with a rubber jacket 24;

when the impact-absorbing device is used, edges of the generator set box body 2 are designed by adopting a large chamfer, so that edges and corners become gentle, the length of diagonal lines is reduced, the impact on objects protruding out of the tips is reduced, the rollers 23 with rubber jackets 24 are arranged above corresponding positions on two sides, the rollers 23 protrude out of the outer contour of the generator set box body 2, so that the objects impacting into large areas are preferentially contacted with the rollers 23, the outer surfaces of the rollers 23 are curved surfaces and are in rotating connection, the rollers 23 are connected onto the fixed block 19 in a sliding mode through the telescopic rods 20, the impact pushing path is prolonged by being extruded and contracted in a limited mode when the impact is carried out, part of impact energy is further consumed, the curved surfaces of the contact surfaces of the rollers 23 are not easy to be attached and unstable, and the rollers 23 are easy to incline to rotate, so that the impact force is changed, the impact direction is easy to be changed, the impact force is further consumed, and the impact-absorbing effect within a certain range is realized.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, a generator set is formed by combining the generator 6, the engine 7, the exhaust fan 8, the cooling water tank 10 and the air filter 12, a labyrinth air flow path is formed between the inside of the generator set box body 2 and the generator set, the air inlet 3 is an input end of the labyrinth air flow path, and the air outlet 4 is an output end of the labyrinth air flow path;

when the air-conditioning unit is used, air flow enters from the air inlet 3 through the labyrinth air circulation path and is exhausted from the air outlet 4, the labyrinth air circulation path enables the air circulation path to be longer, objects passing through by the air flow are increased, the air flow is enabled to flow for a long time in the range of the generator set box body 2, and therefore noise carried in the air is further consumed.

The working principle of the invention is as follows: firstly, starting an air extracting fan 8 to enable the left end of the air extracting fan 8 close to the right end in a generator set box body 2 to form negative pressure, enabling air flow to continuously rush from an air inlet 3 at the left end of the generator set box body 2 and to reach the air extracting fan 8 through a generator 6, an air filter 12 and an engine 7, enabling the air flow to pass through the air extracting fan 8 and be output from the right end of the air extracting fan 8, and enabling the air flow path output from the right end of the air extracting fan 8 to be limited only to pass through a three-stage silencer 9 due to the fact that a blocking baffle 11 is arranged below an air outlet 4 and on the upper portion of the right end of the air extracting fan 8, and enabling the air flow to be exhausted to the air outlet 4 above the blocking baffle 11 through the output end of the three-stage silencer 9; the whole air inlet 3 and the air outlet 4 are only arranged on one side, the air inlet 3 is arranged on the position, close to the generator 6, of the generator set, the air inlet is not arranged on other positions, the air flow penetrates through the whole generator 6 and the engine 7, and finally the air flow is discharged through the air outlet 4 arranged on the top of the generator set box body 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Super silence generator unit box extremely, including generator unit base (1), its characterized in that: generator set base (1) is gone up from the left hand right side fixedly connected with generator (6), engine (7), air exhaust fan (8) and coolant tank (10) in proper order, generator set base (1) is gone up and in generator (6) and engine (7) outside fixedly connected with generating set box (2), air intake (3) have been seted up to the one end side surface that generating set box (2) are close to generator (6), air exit (4) have been seted up to the one end upper surface that generator (6) were kept away from in generating set box (2), coolant tank (10) upper end fixedly connected with is used for blockking air exhaust fan (8) output and air exit (4) communicating separation baffle (11) of being connected, the other end and generating set box (2) inner wall fixed connection of separation baffle (11), coolant tank (10) surface is fixed in on generating set base (1) through cutting apart mounting panel (16), just the bottom fixedly connected with input of coolant tank (10) communicates with each other with the tertiary silencer (9) of being connected with air exhaust fan (8) output, the output of tertiary silencer (9) and separation baffle (11) top communicate with each other.

2. The ultra-silent generator set box body of claim 1, characterized in that: the air filter (12) is installed on the upper end surface of the generator set box body (2) through screws, an air inlet extension pipe (13) is fixedly connected with the input end of the air filter (12), an air outlet extension pipe (14) is fixedly connected with the output end of the air filter (12), a silencing barrel (15) is installed on the output end of the three-stage silencer (9), a cooling water tank rear cover (17) is fixedly connected with the outer side of the cooling water tank (10), and long rubber hoses are adopted for the air inlet extension pipe (13) and the air outlet extension pipe (14).

3. The ultra-silent generator set box body of claim 2, wherein: the front surface and the rear surface of the generator set box body (2) are hinged with a box body outer door (5) through hinges, and the two surfaces of the inner side of the box body outer door (5) opposite to each other are fixedly connected with a box body inner door (18).

4. The ultra-silent generator set box body according to claim 3, characterized in that: the four corners of the generator set box body (2) are all set to chamfer edges, and the four corners of the upper surface of the generator set box body (2) are all provided with retractable anti-collision spring rollers.

5. The ultra-silent generator set box body of claim 3, wherein: the box outer door (5) comprises a steel plate shell and first sponge, the first sponge is filled inside the steel plate shell, the box inner door (18) comprises an aluminum foil plate layer fixedly connected with the box outer door (5), a cellular network plate frame is fixedly connected to the outer surface of the aluminum foil plate layer, and second sponge is filled between the cellular network plate frame and the aluminum foil plate layer.

6. The ultra-silent generator set box body according to claim 4, characterized in that: anticollision spring roller includes four fixed blocks (19) of fixed connection in the upper surface of generating set box (2), telescopic link (20) are worn to be equipped with in fixed block (19) slip, the one end fixedly connected with limiting plate of telescopic link (20), the other end fixedly connected with connecting block (22) of telescopic link (20).

7. The ultra-silent generator set box body of claim 6, wherein: the telescopic link (20) surface has just cup jointed reset spring (21) between connecting block (22) and fixed block (19), the middle fixedly connected with rotary column of connecting block (22), be connected with gyro wheel (23) through the bearing rotation on the rotary column, rubber overcoat (24) have been cup jointed to the external fixed surface of gyro wheel (23).

8. The ultra-silent generator set box body of claim 1, characterized in that: the generator set is formed by combining the generator (6), the engine (7), the air exhaust fan (8), the cooling water tank (10) and the air filter (12), and a labyrinth air circulation path is formed by a crack between the inside of the generator set box body (2) and the generator set.

9. The ultra-silent generator set box body of claim 8, wherein: the air inlet (3) is an input end of a labyrinth air circulation path, and the air outlet (4) is an output end of the labyrinth air circulation path.