CN210839190U

CN210839190U - Noise reduction device for generator

Info

Publication number: CN210839190U
Application number: CN201922100555.4U
Authority: CN
Inventors: 牟鸣; 罗德春; 彭涛
Original assignee: Chongqing Kzoor Machinery Co ltd
Current assignee: Chongqing Kzoor Machinery Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-23
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a noise reduction device for a generator, which comprises an outer box, an inner box, a generator body and a temperature control water changing device, wherein sound absorbing cotton is arranged on each inner side wall of the inner box, the sound absorbing cotton is not contacted with the outer wall of the generator body, a plurality of flow guide fans are arranged in the inner box, and an L-shaped exhaust pipe is arranged in the outer box; one end of the L-shaped exhaust pipe extends into the inner box and then is communicated with the exhaust pipe of the generator body, and the other end of the L-shaped exhaust pipe extends out of the outer box from top to bottom; the temperature control water changing device comprises a temperature sensor, a water pump and a cooler, the temperature sensor is arranged at the lower end part of the inner box and electrically connected with the water pump, a water return pipe and a water outlet pipe are connected to the outer wall of the outer box, and a water inlet of the water pump is connected with the water outlet pipe; the utility model discloses a be provided with a plurality of water conservancy diversion fan in the inner box, the air circulation that water conservancy diversion fan made in the inner box flows, has improved the result of use that the water installation was traded in the control by temperature change.

Description

Noise reduction device for generator

Technical Field

The utility model relates to a device field of making an uproar specifically is a device of making an uproar falls for generator.

Background

The generator is very noisy when in use, which causes great noise pollution to the surrounding environment, and in order to reduce the influence of the noise of the motor on the surrounding environment and improve the safety of the generator during operation, a noise reduction structure or a noise reduction device is generally arranged outside the generator.

The Chinese utility model patent with publication number CN206542286U discloses a noise reduction protection device for a fishing boat generator, which comprises an inner box, wherein a generator body is arranged inside the inner box; lateral soundproof cotton groups are arranged between each side wall of the generator body and each side wall of the inner box; the bottom of the generator body is provided with a plurality of bottom soundproof cotton which are parallel to each other; the inner box is arranged in the inner cavity of the outer box; the bottom of the inner box is fixedly provided with a plurality of springs; one end of the L-shaped exhaust pipe extends into the inner box and then is communicated with an exhaust pipe of the generator body; the other end of the L-shaped exhaust pipe extends out of the outer box from top to bottom; the outer box is provided with a temperature control water changing device; cooling water is injected into the outer box; this structure make full use of cooling water is to generator cooling and vibration/noise reduction's effect, makes the generator when the noise reduction, and the temperature obtains effective control, makes the life-span of generator obtain the guarantee.

However, the internal box of the noise reduction protection device for the fishing boat generator is not provided with an air circulation component, so that the temperatures of all parts of the internal box are different, the temperature detected by the temperature sensor of the temperature control water changing device cannot represent the temperature in the internal box, and the use effect of the temperature control water changing device is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of making an uproar falls for generator to solve the problem that proposes among the above-mentioned background art.

The utility model discloses a realize like this: a noise reduction device for a generator comprises an outer box, an inner box, a generator body and a temperature control water changing device, wherein the inner box is a sealed box body, the generator body is arranged inside the inner box, the inner box is arranged in the outer box, the outer wall of the inner box is not in contact with the inner wall of the outer box, a supporting seat is arranged between the generator body and the inner bottom wall of the inner box, the supporting seat supports the generator body, a certain distance is reserved between the bottom of the generator body and the inner bottom wall of the inner box, sound absorption cotton is arranged on each inner side wall of the inner box and is not in contact with the outer wall of the generator body, a plurality of flow guide fans are arranged in the inner box, and an L-shaped exhaust pipe is arranged inside the outer box; one end of the L-shaped exhaust pipe extends into the inner box and then is communicated with an exhaust pipe of the generator body, and the other end of the L-shaped exhaust pipe extends out of the outer box from top to bottom; the inside injection of outer container has the cooling water, the temperature control trades water installation and includes temperature sensor, water pump and cooler, temperature sensor sets up tip under the inner box, temperature sensor and water pump electrical property link to each other, be connected with wet return and outlet pipe on the outer wall of outer container, the water inlet and the outlet pipe of water pump link to each other, the delivery port of water pump links to each other with the heat medium import of cooler, the heat medium export of cooler links to each other with the wet return.

Furthermore, a maintenance valve is arranged on the water outlet pipe, and a manual ball valve is selected and used as the maintenance valve.

Furthermore, the upper end of the L-shaped exhaust pipe is connected with a sound absorption pipe, and the sound absorption pipe is used for absorbing noise exhausted by the L-shaped exhaust pipe.

Furthermore, a flange plate is arranged at the upper end of the L-shaped exhaust pipe, a flange plate is arranged at the lower end of the sound absorption pipe, and the L-shaped exhaust pipe and the sound absorption pipe are detachably connected through the flange plate and the bolts.

Further, the sound absorption pipe comprises an outer pipe and an inner pipe, the inner pipe is lined on the inner wall of the outer pipe, the outer pipe is made of metal, and the inner pipe is made of sound absorption cotton.

Furthermore, the L-shaped exhaust pipe is made of stainless steel, and the outer pipe of the sound absorption pipe is made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with a plurality of water conservancy diversion fan in the inner box, the air circulation that water conservancy diversion fan made in the inner box flows, has reduced the temperature difference of position everywhere in the inner box for the temperature that the temperature sensor of water installation was traded in control by temperature change detected more can represent the temperature in the inner box for prior art, has improved the result of use that the water installation was traded in control by temperature change.

2. Be provided with the maintenance valve on the outlet pipe, manual ball valve is chooseed for use to the maintenance valve, when the water pump breaks down and needs the maintenance or change, closes the maintenance valve and can carry out the maintenance of water pump and change, need not discharge the cooling water in by the outer container earlier, has reduced the more smooth work load of maintenance of water pump, has improved work efficiency.

3. The upper end of L type blast pipe is connected with the sound absorption pipe, and the sound absorption pipe includes outer tube and inner tube, and on the inner wall of outer tube was located to the inner tube lining, the material of outer tube was the metal, and the material of inner tube was cotton for inhaling the sound, and the sound absorption pipe is used for absorbing by L type blast pipe exhaust noise, has further improved the utility model discloses an effect of making an uproar falls.

4. The upper end of L type blast pipe is provided with the ring flange, and the lower extreme of sound absorption pipe is provided with the ring flange, and L type blast pipe and sound absorption pipe carry out detachable through ring flange and bolt and connect, so set up the maintenance and the change of the sound absorption pipe of being convenient for.

5. The stainless steel is selected for use to the material of L type blast pipe, and the stainless steel is selected for use to the material of the outer tube of sound-absorbing pipe, and L type blast pipe and sound-absorbing pipe use in the higher environment of steam, use stainless steel material can effectively improve its life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a noise reduction device for a generator according to the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is a schematic transverse cross-sectional view of the sound absorbing tube of the noise reduction device for the generator of the present invention.

In the figure: 1. an outer box; 2. an inner box; 3. a generator body; 4. a supporting seat; 5. sound-absorbing cotton; 6. a flow guiding fan; 7. an L-shaped exhaust pipe; 8. cooling water; 9. a temperature sensor; 10. a water pump; 11. a cooler; 12. a water return pipe; 13. a water outlet pipe; 14. maintaining the valve; 15. a sound absorbing pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, in an embodiment of the present invention, a noise reduction device for a generator includes an outer case 1, an inner case 2, a generator body 3, and a temperature-controlled water changing device, the inner case 2 is a sealed case, the generator body 3 is disposed inside the inner case 2, the inner case 2 is disposed in the outer case 1, an outer wall of the inner case 2 is not in contact with an inner wall of the outer case 1, a support seat 4 is disposed between the generator body 3 and an inner bottom wall of the inner case 2, the support seat 4 supports the generator body 3 such that a distance is formed between a bottom of the generator body and the inner bottom wall of the inner case 2, sound-absorbing cotton 5 is disposed on each inner sidewall of the inner case 2, the sound-absorbing cotton 5 is not in contact with the outer wall of the generator body 3, the sound-absorbing cotton 5 is in a natural fluffy state, and the sound-absorbing function of the generator can be effectively ensured, a plurality of flow-guiding fans 6 are disposed in the inner, the temperature difference of each position in the inner box 2 is reduced, and an L-shaped exhaust pipe 7 is arranged in the outer box 1; one end of the L-shaped exhaust pipe 7 extends into the inner box 2 and then is communicated with an exhaust pipe of the generator body 3, and the other end of the L-shaped exhaust pipe 7 extends out of the outer box 1 from top to bottom; the inside injection of outer container 1 has cooling water 8, the control by temperature change water installation includes temperature sensor 9, water pump 10 and cooler 11, temperature sensor 9 sets up tip under the inner box 2, temperature sensor 9 and water pump 10 electrical property link to each other, be connected with wet return 12 and outlet pipe 13 on the outer wall of outer container 1, the water inlet and the outlet pipe 13 of water pump 10 link to each other, the delivery port of water pump 10 links to each other with the heat medium import of cooler 11, the heat medium export of cooler 11 links to each other with wet return 12, the refrigerant access connection of cooler 11 has the refrigerant inlet tube, the refrigerant exit linkage of cooler 11 has the refrigerant wet return.

The working principle of the utility model is that; the noise part that the generator body 3 during operation produced is absorbed by inhaling sound cotton 5 and cooling water 8, has reduced the noise that the generator body 3 during operation produced to the influence of surrounding environment. The temperature sensor 9 is used for detecting the temperature of the inner box 2, when the temperature of the inner box 2 is high, the temperature sensor 9 controls the water pump 10 to be started, the cooling water 8 in the outer box 1 is pumped into the cooler 11, and the cooling water returns to the outer box 1 after being cooled in the cooler 11, so that the cooling water 8 in the outer box 1 is always kept at a low temperature, and the inner box 2 is well cooled. The utility model discloses a be provided with a plurality of guiding fan 6 in inner box 2, guiding fan 6 makes the air circulation in inner box 2 flow, has reduced the temperature difference of position everywhere in inner box 2 for the temperature that temperature sensor 9 of control by temperature change water installation detected more can represent the temperature in inner box 2 for prior art, has improved the result of use that the control by temperature change water installation.

Referring to fig. 1, in the embodiment of the present invention, the outlet pipe 13 is provided with the maintenance valve 14, the maintenance valve 14 is a manual ball valve, when the water pump 10 breaks down and needs to be maintained or replaced, the maintenance valve 14 is closed to maintain the water pump 10, the cooling water 8 does not need to be discharged from the outer box 1, the maintenance workload of the water pump 10 is reduced, and the work efficiency is improved.

Referring to fig. 2 and 3, in the embodiment of the present invention, the upper end of the L-shaped exhaust pipe 7 is connected to the sound absorbing pipe 15, the sound absorbing pipe 15 includes an outer pipe and an inner pipe, the inner pipe lining is disposed on the inner wall of the outer pipe, the outer pipe is made of metal, the inner pipe is made of sound absorbing cotton, the sound absorbing pipe 15 is used for absorbing the noise emitted from the L-shaped exhaust pipe 7, and the noise reduction effect of the present invention is further improved.

Referring to fig. 2, in the embodiment of the present invention, a flange is disposed at the upper end of the L-shaped exhaust pipe 7, a flange is disposed at the lower end of the sound absorbing pipe 15, the L-shaped exhaust pipe 7 and the sound absorbing pipe 15 are detachably connected through the flange and the bolt, so that the sound absorbing pipe 15 is conveniently maintained and replaced.

The embodiment of the utility model provides an in, the stainless steel is chooseed for use to the material of L type blast pipe 7, and the stainless steel is chooseed for use to the material of the outer tube of sound absorption pipe 15, and L type blast pipe 7 and sound absorption pipe 15 use in the higher environment of steam, use stainless steel material can effectively improve its life.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reduction device for a generator comprises an outer box (1), an inner box (2), a generator body (3) and a temperature control water changing device, wherein the inner box (2) is a sealed box body, the generator body (3) is arranged inside the inner box (2), the inner box (2) is arranged in the outer box (1), the outer wall of the inner box (2) is not in contact with the inner wall of the outer box (1), the noise reduction device is characterized in that a supporting seat (4) is arranged between the generator body (3) and the inner bottom wall of the inner box (2), sound absorption cotton (5) is arranged on each inner side wall of the inner box (2), the sound absorption cotton (5) is not in contact with the outer wall of the generator body (3), a plurality of flow guide fans (6) are arranged in the inner box (2), and an L-shaped exhaust pipe (7) is arranged inside the outer box (1); one end of the L-shaped exhaust pipe (7) extends into the inner box (2) and then is communicated with an exhaust pipe of the generator body (3), and the other end of the L-shaped exhaust pipe (7) extends out of the outer box (1) from top to bottom; the inside injection of outer container (1) has cooling water (8), the temperature control trades water installation and includes temperature sensor (9), water pump (10) and cooler (11), temperature sensor (9) set up tip under inner box (2), temperature sensor (9) and water pump (10) electrical property link to each other, be connected with wet return (12) and outlet pipe (13) on the outer wall of outer container (1), the water inlet of water pump (10) links to each other with outlet pipe (13), the delivery port of water pump (10) links to each other with the heat medium import of cooler (11), the heat medium export of cooler (11) links to each other with wet return (12).

2. The noise reduction device for the generator according to claim 1, wherein the water outlet pipe (13) is provided with a maintenance valve (14), and the maintenance valve (14) is a manual ball valve.

3. The noise reduction device for the generator according to claim 1, wherein a sound absorption pipe (15) is connected to the upper end of the L-shaped exhaust pipe (7), and the sound absorption pipe (15) is used for absorbing noise emitted from the L-shaped exhaust pipe (7).

4. The noise reduction device for the generator as claimed in claim 3, wherein a flange is provided at the upper end of the L-shaped exhaust pipe (7), a flange is provided at the lower end of the sound absorption pipe (15), and the L-shaped exhaust pipe (7) and the sound absorption pipe (15) are detachably connected through the flange and the bolt.

5. The noise reduction device for the generator as claimed in claim 3 or 4, wherein the sound absorption tube (15) comprises an outer tube and an inner tube, the inner tube is lined on the inner wall of the outer tube, the outer tube is made of metal, and the inner tube is made of sound absorption cotton.

6. The noise reduction device for the generator as claimed in claim 5, wherein the material of the L-shaped exhaust pipe (7) is stainless steel, and the material of the outer pipe of the sound absorption pipe (15) is stainless steel.