Power generation device with double-layer silencing box
Through the double-layer silent box layout and fire prevention and elimination system, the noise and fire safety problems of diesel generator sets are solved, achieving better noise reduction and safety.
Patent Information
- Application Number
- CN202411474638.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2024-12-10
AI Technical Summary
The existing diesel generator sets generate a lot of noise during high-speed operation, resulting in poor noise reduction effect, complex internal layout and small maintenance space, which poses fire safety hazards.
The double-layer silent box is arranged, the generator set is placed in the lower box, the first-level muffler and ventilation channel in the upper box are set, and convection air is formed using the inlet muffler and exhaust muffler chamber, and it is installed in the fire room. Smoke detectors, temperature detectors and carbon dioxide jet components form a fire elimination system.
Effectively reduce external noise emissions, increase activity space and maintenance convenience, and improve safety, which can quickly extinguish fires when a fire occurs and prevent large-scale losses.
Smart Images

Figure CN119102871A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of generator sets, and in particular to a generator set with a double-layer soundproof box. Background Art
[0002] A diesel generator set is a small power generation equipment, which refers to a power machine that uses diesel as fuel and a diesel engine as the prime mover to drive the generator to generate electricity. It is widely used in schools, hospitals, hotels and other industries as a backup power source or temporary power source.
[0003] Diesel generator sets generate a lot of noise when running at high speed, which seriously affects the work and life of people around them. Therefore, they are often placed in a box for operation, which can provide a certain sound insulation effect while preventing rain and pollution. The existing box forms a relatively closed space inside, and the silencer, air inlet silencer and air outlet silencer and other components are installed in the same box as the generator set, resulting in unreasonable air duct layout, complex pipeline design, high production cost, poor noise reduction effect, small installation space and maintenance space, and inconvenient maintenance, resulting in high maintenance costs. At the same time, flammable and explosive storage batteries, fuel tanks and other components are arranged inside. Once a fire occurs, even the smallest flame will quickly develop into a large fire, and there is a lack of response facilities. Summary of the invention
[0004] The technical problem to be solved by the present invention is to provide a power generation device with a double-layer soundproof box in view of the above-mentioned deficiencies in the prior art. The double-layer layout has good ventilation and noise reduction effects, and is also equipped with a fire extinguishing system, which effectively improves safety and is easy to use and highly practical.
[0005] The technical solution adopted by the present invention is: a power generation device with a double-layer soundproof box, including a lower box body, an equipment room is provided in the middle of the lower box body, a generator set is provided in the equipment room, an oil storage room is provided on the left side of the lower box body, an oil tank is provided in the oil storage room, an upper box body is provided on the top of the lower box body, the upper box body is connected with the lower box body, a first-level silencer is provided in the middle of the upper box body, the first-level silencer is connected with the smoke exhaust port of the generator set, an air inlet silencer chamber is provided on one side of the upper box body, an exhaust silencer chamber is provided on the other side of the upper box body, both the air inlet silencer chamber and the exhaust silencer chamber are provided with labyrinth silencers, and the lower box body is provided with a fire-fighting device for extinguishing fire.
[0006] As a further improvement, the fire-fighting device includes a smoke detector, a temperature detector and a jet assembly for spraying carbon dioxide. A fire-fighting room is provided on the right side of the lower box body, and the jet assembly is arranged in the fire-fighting room. The output end of the jet assembly is connected to the equipment room. The lower box body is provided with a controller, and the smoke detector, temperature detector and jet assembly are all electrically connected to the controller.
[0007] Furthermore, the jet assembly includes an air tank, an air pump and an air extraction pipeline. The air tank and the air extraction pump are arranged in the fire protection room. The input end of the air extraction pump is connected to the air tank, and the output end of the air extraction pump is connected to the oil storage chamber through the air extraction pipeline. Carbon dioxide gas is provided in the air tank.
[0008] Furthermore, the lower box body and the upper box body are connected through a plurality of exhaust pipes, the exhaust pipes are provided with a cut-off valve, and the cut-off valve is electrically connected to the controller.
[0009] Furthermore, the air inlet silencing chamber and the air exhaust silencing chamber are both provided with electric shutters.
[0010] Furthermore, a smoke exhaust pipe is provided on the top of the upper box body, and the smoke exhaust pipe is connected to the first-stage silencer.
[0011] Furthermore, the primary silencer is connected to the generator set via a smoke outlet pipe, and the smoke outlet pipe is provided with a corrugated silencer.
[0012] Furthermore, a plurality of fireproof sealing doors are provided on both sides of the lower box body.
[0013] Furthermore, the lower box and the upper box are provided with a plurality of explosion-proof lighting lamps, the lower box is provided with a main distribution box for the oil engine, and the explosion-proof lighting lamps are electrically connected to the main distribution box for the oil engine.
[0014] Furthermore, a cabinet-type fire extinguisher is provided on the lower box body.
[0015] Beneficial Effects
[0016] Compared with the prior art, the present invention has the following advantages:
[0017] The present invention provides a power generation device with a double-layer soundproof box. The engine unit is arranged in a layered manner, and a first-level silencer and a ventilation channel are arranged in the upper box. Convection wind is formed by the air inlet silencer chamber and the exhaust silencer chamber to effectively discharge the heat generated by the engine unit. At the same time, a labyrinth silencer is installed in the air inlet silencer chamber and the exhaust silencer. Since the air inlet and air outlet are on the upper layer, the soundproof box effect is quieter than the ordinary one, and the noise emission to the outside is truly achieved, so that the activity space is effectively increased through the arrangement of the upper and lower layers. At the same time, the flammable oil tank can be isolated, which improves the convenience of maintenance and effectively improves the safety. When a fire occurs in the equipment room, the smoke detector and the temperature detector detect the occurrence of the fire and transmit the signal to the controller. The controller controls the shut-off valve to cut off the connection with the upper box body. At the same time, the vacuum pump fills the carbon dioxide gas in the gas tank into the equipment room to dilute the oxygen in the air, thereby achieving the effect of extinguishing the fire and preventing greater losses. The safety of the entire device is effectively improved. Electric shutters are set in the air inlet and exhaust silencer rooms, and the air inlet and outlet processes are controlled by the electric shutters. The shutters are closed when it rains to play a rainproof role. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the main structure of the present invention;
[0019] Figure 2 It is an enlarged schematic diagram of the top view of the lower box body of the present invention.
[0020] Among them: 1-lower box, 2-jet assembly, 3-equipment room, 4-generator set, 5-oil storage room, 6-oil tank, 7-upper box, 8-first-level silencer, 9-air inlet silencer, 10-exhaust silencer, 11-labyrinth silencer, 12-smoke exhaust pipe, 13-smoke outlet pipe, 14-corrugated silencer, 15-temperature detector, 16-smoke detector, 17-exhaust pipe, 18-cut-off valve, 19-explosion-proof lighting, 20-fireproof sealed door, 21-exhaust pump, 22-exhaust pipeline, 23-gas storage tank, 24-controller, 25-electric shutters, 26-oil engine main distribution box, 27-cabinet fire extinguisher, 28-fire fighting room. DETAILED DESCRIPTION
[0021] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.
[0022] See also Figure 1-2As shown, a power generation device with a double-layer soundproof box of the present invention comprises a lower box body 1, an equipment room 3 is arranged in the middle of the lower box body 1, a generator set 4 is arranged in the equipment room 3, an oil storage room 5 is arranged on the left side of the lower box body 1, an oil tank 6 is arranged in the oil storage room 5, an upper box body 7 is arranged on the top of the lower box body 1, the upper box body 7 is communicated with the lower box body 1, a first-level silencer 8 is arranged in the middle of the upper box body 7, and the first-level silencer 8 is communicated with the smoke exhaust port of the generator set 4, an air inlet silencer chamber 9 is arranged on one side of the upper box body 7, and an exhaust silencer chamber 10 is arranged on the other side of the upper box body 7, and a labyrinth silencer 11 is arranged in the air inlet silencer chamber 9 and the exhaust silencer chamber 10, and a fire-fighting device for extinguishing fire is arranged in the lower box body 1, and the generator set 4 is arranged in the lower box body 1 in a layered arrangement. The upper box body 7 is provided with a first-stage silencer 8 and a ventilation channel, and a convection wind is formed by using the air inlet silencer chamber 9 and the exhaust silencer chamber 10 to effectively discharge the heat generated by the engine group 4. At the same time, a labyrinth silencer 11 is installed in the air inlet silencer chamber 9 and the exhaust silencer chamber 10. Since the air inlet and air outlet are on the upper layer, its mute box effect is quieter than the ordinary one, and the real mute effect is achieved, so that the noise emission to the outside is reduced. Through the arrangement of the upper and lower layers, the activity space is effectively increased, and the flammable oil tank 6 can be isolated at the same time, which improves the convenience of maintenance and effectively improves the safety. When a fire occurs in the equipment room, the smoke detector 16 and the temperature detector 15 detect the occurrence of the fire, and transmit the signal to the controller 24. The controller 24 controls the shut-off valve 18 to cut off the connection with the upper box body 7, so that the equipment room 3 is in a closed space, and no oxygen comes in, so that the fire cannot continue to spread. At the same time, the vacuum pump 21 fills the carbon dioxide gas in the gas tank 23 into the equipment room 3 to dilute the oxygen in the air, thereby achieving the effect of extinguishing the fire and preventing greater losses. The safety of the entire device is effectively improved. By arranging electric shutters 25 in the air inlet silencer room 9 and the exhaust silencer room 10, the electric shutters 25 are used to control the process of air intake and air outlet. The shutters are closed when it rains to play a role in rain protection.
[0023] Specifically, the fire-fighting device includes a smoke detector 16, a temperature detector 15 and a jet assembly 2 for spraying carbon dioxide. A fire-fighting chamber 28 is provided on the right side of the lower box body 1. The jet assembly 2 is arranged in the fire-fighting chamber 28. The output end of the jet assembly 2 is connected to the equipment room 3. The lower box body 1 is provided with a controller 24. The smoke detector 16, the temperature detector 15 and the jet assembly 2 are all electrically connected to the controller 24. After the smoke detector 16 and the temperature detector 15 jointly sense and determine that a fire has occurred, a large amount of carbon dioxide is filled in through the jet assembly 2 to dilute oxygen and prevent the fire from spreading rapidly.
[0024] Preferably, the jet assembly 2 includes a gas tank 23, an air pump 21 and an air extraction pipe 22. The gas tank 23 and the air pump 21 are arranged in a fire fighting room 28. The input end of the air pump 21 is connected to the gas tank 23, and the output end of the air pump 21 is connected to the oil storage chamber 5 through the air extraction pipe 22. Carbon dioxide gas is provided in the gas tank 23. The air pump 21 fills the carbon dioxide gas in the gas tank 23 into the equipment room 3 to dilute the oxygen in the air, thereby achieving the effect of extinguishing the fire.
[0025] Furthermore, the lower box body 1 is connected to the upper box body 7 through a plurality of exhaust pipes 17, on which a shut-off valve 18 is provided, which is electrically connected to the controller 24. The hot air generated in the equipment room can be flowed to the upper box body 7 through the exhaust pipes 17, and the hot air can be discharged through ventilation on both sides.
[0026] Furthermore, electric shutters 25 are provided on the air inlet silencing chamber 9 and the air outlet silencing chamber 10. The electric shutters 25 are used to control the air inlet and air outlet processes. When it rains, the shutters are closed to play a role in rain protection.
[0027] Furthermore, a smoke exhaust pipe 12 is provided on the top of the upper box body 7 , and the smoke exhaust pipe 12 is connected to the primary silencer 8 , and the smoke generated by the engine group 4 can be discharged through the smoke exhaust pipe 12 .
[0028] Furthermore, the primary silencer 8 is connected to the generator set 4 via a smoke outlet pipe 13, and a corrugated silencer 14 is provided on the smoke outlet pipe 13. The corrugated silencer 14 plays a role of silencing and reduces the noise generated by smoke exhaust.
[0029] Furthermore, a plurality of fireproof sealing doors 20 are provided on both sides of the lower box body 1 to facilitate personnel to enter from different directions.
[0030] Furthermore, a plurality of explosion-proof lighting lamps 19 are provided on the lower box body 1 and the upper box body 7. The lower box body 1 is provided with a main distribution box 26 for the oil engine. The explosion-proof lighting lamps 19 are electrically connected to the main distribution box 26 for the oil engine, and they not only provide lighting but also have an explosion-proof function, thereby improving safety.
[0031] Furthermore, a cabinet-type fire extinguisher 27 is provided on the lower box body 1 for use by personnel when a fire occurs.
[0032] When in use, a power generation device with a double-layer silencer box of the present embodiment arranges the engine group 4 in the lower box body 1, and arranges the first-level silencer 8 and the ventilation channel in the upper box body 7, and uses the air inlet silencer chamber 9 and the exhaust silencer chamber 10 to form convection wind, so as to effectively discharge the heat generated by the engine group 4. At the same time, a labyrinth silencer 11 is installed in the air inlet silencer chamber 9 and the exhaust silencer chamber 10. Since the air inlet and air outlet are on the upper layer, its silencer effect is quieter than the ordinary one, and the noise emission to the outside is truly achieved, so as to reduce the noise emission to the outside. Through the arrangement of the upper and lower layers, the activity space is effectively increased, and the flammable oil tank 6 can be isolated at the same time, which improves the convenience of maintenance and effectively improves the safety. When a fire occurs in the equipment room, the smoke detector 16 and the temperature detector 15 detect the occurrence of the fire, and transmit the signal to the controller 24. The controller 24 controls the cut-off valve 18 to cut off the connection with the upper box 7, so that the equipment room 3 is in a closed space, no oxygen comes in, and the fire cannot continue to spread. At the same time, the vacuum pump 21 fills the carbon dioxide gas in the gas tank 23 into the equipment room 3 to dilute the oxygen in the air, thereby achieving the effect of extinguishing the fire, preventing greater losses, and effectively improving the safety of the entire device. The power generation device with a double-layer soundproof box of the present invention adopts a double-layer layout, has a good ventilation and noise reduction effect, and also has a fire extinguishing system, effectively improving safety, and has the characteristics of easy use and strong practicality.
[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.
Claims
1. A power generation device with a double-layer soundproof box, It is characterized in that The invention comprises a lower box (1), wherein an equipment room (3) is provided in the middle of the lower box (1), wherein a generator set (4) is provided in the equipment room (3), wherein an oil storage room (5) is provided on the left side of the lower box (1), wherein an oil tank (6) is provided in the oil storage room (5), wherein an upper box (7) is provided on the top of the lower box (1), wherein the upper box (7) is communicated with the lower box (1), wherein a first-stage muffler (8) is provided in the middle of the upper box (7), wherein the first-stage muffler (8) is communicated with a smoke exhaust port of the generator set (4), wherein an air inlet muffler chamber (9) is provided on one side of the upper box (7), wherein an air exhaust muffler chamber (10) is provided on the other side of the upper box (7), wherein both the air inlet muffler chamber (9) and the air exhaust muffler chamber (10) are provided with a labyrinth muffler (11), and wherein the lower box (1) is provided with a fire-fighting device for extinguishing fire.
2. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that The fire-fighting device comprises a smoke detector (16), a temperature detector (15) and a jet assembly (2) for jetting carbon dioxide. A fire-fighting chamber (28) is provided on the right side of the lower box (1). The jet assembly (2) is arranged in the fire-fighting chamber (28). The output end of the jet assembly (2) is connected to the equipment room (3). The lower box (1) is provided with a controller (24). The smoke detector (16), the temperature detector (15) and the jet assembly (2) are all electrically connected to the controller (24).
3. A power generation device with a double-layer soundproof box according to claim 2, It is characterized in that The jet assembly (2) comprises an air storage tank (23), an air extraction pump (21) and an air extraction pipeline (22); the air storage tank (23) and the air extraction pump (21) are arranged in a fire fighting room (28); the input end of the air extraction pump (21) is connected to the air storage tank (23); the output end of the air extraction pump (21) is connected to the oil storage chamber (5) through the air extraction pipeline (22); and carbon dioxide gas is provided in the air storage tank (23).
4. A power generation device with a double-layer soundproof box according to claim 2, It is characterized in that The lower box body (1) and the upper box body (7) are connected via a plurality of exhaust pipes (17), and a cut-off valve (18) is provided on the exhaust pipe (17), and the cut-off valve (18) is electrically connected to a controller (24).
5. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that The air inlet silencing chamber (9) and the air outlet silencing chamber (10) are both provided with electric shutters (25).
6. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that A smoke exhaust pipe (12) is provided on the top of the upper box body (7), and the smoke exhaust pipe (12) is connected to the primary silencer (8).
7. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that The primary silencer (8) is connected to the generator set (4) via a smoke outlet pipe (13), and a corrugated silencer (14) is provided on the smoke outlet pipe (13).
8. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that A plurality of fireproof sealing doors (20) are provided on both sides of the lower box body (1).
9. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that The lower box (1) and the upper box (7) are provided with a plurality of explosion-proof lighting lamps (19), the lower box (1) is provided with a main distribution box (26) for the oil engine, and the explosion-proof lighting lamps (19) are electrically connected to the main distribution box (26) for the oil engine.
10. A power generation device with a double-layer soundproof box according to claim 1, It is characterized in that The lower box body (1) is provided with a cabinet-type fire extinguisher (27).
