CN117039704A - 110kV transformer substation noise reduction system - Google Patents

Abstract

The invention discloses a 110kV transformer substation noise reduction system which comprises a station body, wherein the station body is approximately cuboid, the station body is provided with a main transformer room area, a distribution room area and a multifunctional area, a transformer is installed in the main transformer room area, the distribution room area and the main transformer room area are arranged in parallel along the length direction of the station body, one side of the multifunctional area is simultaneously butted with the distribution room area and the main transformer room area, the sum of the widths of the distribution room area and the main transformer room area is approximately consistent with the width of the multifunctional area, the main transformer room area is formed by surrounding the vertical side wall plates, the upper end of the main transformer room area is opened, the side wall plates far away from the distribution room area are called as front wall plates, ventilation windows are arranged at the lower parts of the front wall plates, the area of the ventilation windows accounts for 8% -12% of the area of the front wall plates, and silencing leaves are installed at the ventilation windows. The ventilation window is located the lower part and can utilize chimney effect to rise the heat dissipation after being convenient for down the air inlet, and the ratio of ventilation window and the positive wallboard that corresponds is 8% -12%, can compromise ventilation heat dissipation and sound insulation demand.

Description

110kV transformer substation noise reduction system

Technical Field

The invention relates to the technical field related to power engineering, in particular to a 110kV transformer substation noise reduction system.

Background

With the acceleration of the urban process, the electric load of the urban center area is more concentrated, and especially the electric load concentration is more serious around large office buildings, markets, office buildings and residential areas. In order to meet the power load demand, the transformer substation is required to be gradually extended into a central urban area as an important facility for transmitting power, and is inevitably required to be built in a dense residential area, noise is generated when the transformer substation operates, and particularly, the noise of the transformer is large when the transformer operates, so that residents in a nearby living area are influenced.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a 110kV transformer substation noise reduction system which can solve the problem that the noise of a transformer substation affects residents.

According to an embodiment of the first aspect of the present invention, a noise reduction system for a 110kV substation comprises: the station body, the station body is approximately cuboid form, the station body has main room district, distribution room district and multi-functional region that becomes, install the transformer in the main room district that becomes, distribution room district with main room district is followed the length direction parallel arrangement of station body, multi-functional region one side simultaneously with distribution room district the main room district butt joint, distribution room district with the main sum of the width in room district that becomes approximately with multi-functional region's width is unanimous, main room district forms through vertical side wall board enclosure, main room district upper end opening sets up, wherein keep away from the side wall board in room district is called positive wallboard, positive wallboard lower part is provided with the ventilation window, the area of ventilation window accounts for the proportion of positive wallboard area is 8% -12%, the ventilation window is equipped with the noise elimination leaf, still be equipped with the sound insulation glass window on the side wallboard.

The 110kV transformer substation noise reduction system provided by the embodiment of the invention has at least the following beneficial effects: the transformer in the main room region of becoming is great in the noise when moving to the heat generation volume is big, considers using half indoor formula to arrange, and main room region top opens the setting promptly, is convenient for utilize chimney effect to dispel the heat, and main room region's side wall board of becoming can give sound insulation and fall the noise, and the ventilation window is located the lower part and can be convenient for utilize chimney effect to rise the heat dissipation after the lower air inlet, and ventilation scope is big, and ventilation window is 8% -12% with the occupation ratio of the positive wallboard that corresponds, can compromise ventilation heat dissipation and sound insulation demand, sets up the noise elimination leaf on through the ventilation window, can improve the sound insulation effect.

According to some embodiments of the invention, the transformer is centrally located within the main transformer chamber region.

According to some embodiments of the invention, the main transformer chamber area is provided with a door body, the door body is provided with a silencing louver for air intake and an access small door, the silencing louver is arranged at the lower part of the door body, and the access small door is used for access.

According to some embodiments of the invention, the silencing louver comprises a frame body and a plurality of silencing leaves, the silencing leaves are made of silencing materials, the silencing leaves are arranged in the frame body at intervals, and the silencing leaves are obliquely arranged.

According to some embodiments of the invention, the side wall plate is laid with a sound absorbing plate on the inner side, and the sound absorbing plate comprises an orifice plate, glass fiber cloth, sound absorbing cotton, a sound insulating pad, a composite damping sound insulating plate and a steel plate which are sequentially arranged from outside to inside.

According to some embodiments of the invention, the sound insulation pad is prepared by reacting a high molecular compound, PVC, calcium powder, metal powder and an auxiliary agent.

According to some embodiments of the invention, the sound absorbing plate is laid from bottom to top, and the laid area of the sound absorbing plate accounts for 58% -60% of the total area of the side wall plate.

According to some embodiments of the invention, the station body is further provided with an exhaust fan, an exhaust opening and an air inlet window for heat dissipation, the exhaust opening, the air inlet window and the exhaust fan are arranged on a wall, an exhaust fan outlet is communicated with the exhaust opening, and the exhaust opening is provided with a fan silencer.

According to some embodiments of the invention, the air inlet window is disposed below the air outlet, and the air inlet window is disposed near the floor.

According to some embodiments of the invention, a capacitor chamber is arranged in the multifunctional area, a reactor and a capacitor are arranged in the capacitor chamber, vibration dampers are arranged at the bottoms of the reactor and the capacitor, the vibration dampers are positioned between the reactor and the capacitor and the ground, the station body is further provided with a two-layer unit and a three-layer unit, the two-layer unit is positioned above the distribution chamber area and the multifunctional area, the two-layer unit comprises a storage battery chamber, a gas cylinder chamber, a tool room, a distribution device chamber and a cable interlayer, the three-layer unit is positioned above the two-layer unit, and the three-layer unit comprises a relay chamber and a communication chamber, a standby room and a spare part information room.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a top view of a main transformer room area, a distribution room area, and a multi-functional area according to an embodiment of the present invention;

FIG. 2 is an elevation view of a substation;

FIG. 3 is a layout of a main transformer room area;

FIG. 4 is a cross-sectional view of a sound absorbing panel;

FIG. 5 is a block diagram of a sound-deadening louver;

FIG. 6 is a top view of the two-layer unit after cross-sectioning;

fig. 7 is a top view of the three-layer unit after cross-sectioning.

Reference numerals:

station body 100, exhaust fan 110, exhaust outlet 120, fan muffler 130, air inlet window 140;

main transformer room area 210, transformer 211, ventilation window 212, noise elimination louver 213, frame 213A, noise elimination blade 213B, sound absorbing plate 214, aperture plate 214a, fiberglass cloth 214B, sound absorbing cotton 214c, sound insulating pad 214d, composite damping sound insulating plate 214e, steel plate 214f, door body 215, sound absorbing keel 216, distribution room area 220, multifunctional area 230, capacitor room 231;

two-layer unit 300, battery compartment 310, gas cylinder compartment 320, tool compartment 330, switchgear compartment 340, cable interlayer 350;

three-layer unit 400, relay room 410, communication room 420, standby room 430, and spare parts data room 440.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

With the acceleration of the urban process, the electric load of the urban center area is more concentrated, especially around large office buildings, markets, office buildings and residential areas, which is more serious. In order to meet the power load demand, the transformer substation is gradually deepened into the central urban area as an important facility for transmitting power, and is inevitably built in the dense residential area, so that the load transformer substation in the urban central area is also increasing. However, with the popularization of scientific knowledge and the enhancement of self-protection consciousness of people, whether a transformer substation built in a central urban area affects the health of surrounding residents has become an increasingly focused problem for the public.

On the other hand, site selection and construction of urban transformer substations are more difficult, and distances between the transformer substations and environmental sensitive points such as residential areas, schools and the like are more difficult to control. According to the related specifications, urban noise standards mostly belong to class I and class II regions, and low-frequency noise of a transformer substation becomes an outstanding problem of environmental protection.

The 110kV transformer substation is suitable for urban power supply requirements, but the noise of the existing 110kV transformer substation is still high, and the requirement of the ultra-silent transformer substation cannot be met. The specific criteria are as follows: environmental noise emission Standard of Industrial Enterprise factory (GB 12348-2008) 2 types of standards: namely, the daytime is less than or equal to 60dB (A), the nighttime is less than or equal to 50dB (A), and no obvious audible tone is generated in the factory boundary noise component, so that the factory boundary noise emission value requirement of the ultra-silent indoor substation can be met.

Referring to fig. 1 to 3, according to the 110kV substation noise reduction system of the first aspect of the embodiment of the present invention, the station body 100 is substantially rectangular, the station body 100 has a main transformer room area 210, a distribution room area 220 and a multifunctional area 230, a transformer 211 is installed in the main transformer room area 210, the distribution room area 220 and the main transformer room area 210 are arranged in parallel along the length direction of the station body 100, one side of the multifunctional area 230 is simultaneously butted with the distribution room area 220 and the main transformer room area 210, the sum of the widths of the distribution room area 220 and the main transformer room area 210 is substantially consistent with the width of the multifunctional area 230, the main transformer room area 210 is formed by enclosing a vertical side wall plate, the upper end of the main transformer room area 210 is opened, wherein the side wall plate far from the distribution room area 220 is called a front wall plate, a ventilation window 212 is arranged at the lower part of the front wall plate, the ventilation window 212 occupies 8% -12%, a sound insulation leaf 213B is installed at the ventilation window 212, and a glass window is further arranged on the side wall plate. The setting sound insulation glass window can be used for observing, and can increase daylighting, the sound insulation glass window can be made by adopting double-layer glass, specific type is not detailed, the noise is great when the transformer 211 in the main transformer room region 210 operates, and the heat generation quantity is great, the semi-indoor arrangement is used, namely the top of the main transformer room region 210 is opened and arranged, the heat dissipation is conveniently carried out by utilizing the chimney effect, the side wall plate of the main transformer room region 210 can insulate sound and reduce noise, the ventilation window 212 is arranged at the lower part and can conveniently carry out the downward air intake, the chimney effect is utilized to ascend and dissipate heat, the ventilation range is large, the ratio of the ventilation window 212 to the front wall plate is 8% -12%, the ventilation heat dissipation and the sound insulation requirements can be considered, and the sound insulation effect can be further improved by arranging the sound insulation leaves on the ventilation window 212.

Specifically, the station body 100 may be assembled by wall boards or built by wall bricks, the main transformer room area 210 is provided with three main transformer rooms, the main transformer room is provided with a transformer 211, the distribution room area is provided with a distribution room, the distribution room has the functions of a distribution circuit, a control circuit and the like, the multifunctional area 230 can be provided with various rooms for working, the distribution room area 220 and the main transformer room area 210 are provided with a large number of electric appliances, so that the space is more along the length direction, the distribution room area 220 needs to distribute a circuit after transformation, the main transformer room area 210 and the distribution room area 220 are arranged in parallel, the cable arrangement can be facilitated, the closer the two areas are, the smaller the length needed by the cable is, the cable can be saved, the arrangement area is reasonable, the top of the main transformer room area 210 is arranged in a conventional semi-indoor substation, the arrangement mode has better heat dissipation effect, lower manufacturing cost and better sound insulation effect compared with the outdoor mode, the main transformer room area 210 generates more noise, the side wall plates are arranged to separate the main transformer room area 210 and can block part of noise transmission, meanwhile, the ventilation window 212 is arranged at the lower part of the front wall plate to form lower air inlet and then air is discharged from the top of the main transformer room area 210 to form a chimney effect, the heat dissipation effect is good, the ventilation window 212 is provided with a noise elimination blade so as to reduce noise transmission and further improve the noise reduction effect, as the size of the area of the air inlet window 140 not only influences the noise emission value of the factory boundary, but also influences the whole ventilation heat dissipation effect of the main transformer area, the study finds that when the noise elimination amount of the noise elimination blade 213B is more than or equal to 20dB (A), the noise elimination amount is a noise reduction value, and the installation area of the noise elimination value accounts for 8% -12% of the total area of the front wall plate, the influence on the noise emission value of the factory boundary is negligible, therefore, the ratio of the ventilation window 212 to the corresponding side wall plate can be 10%, so that the ventilation quantity of heat dissipation can be satisfied, and meanwhile, the noise transmission is less, so that the heat dissipation and noise reduction capabilities are considered.

Referring to fig. 3, in some embodiments of the present invention, the transformer 211 is centrally disposed in the main transformer chamber region 210, so that a certain distance exists between the transformer 211 and the sidewall plate, the vibration of the transformer 211 cannot be directly transmitted to the sidewall plate, and the distance between the noise and the sidewall plate can reduce part of the noise intensity, so as to reduce the noise propagation.

It should be noted that, the arrangement of the transformer 211 is not limited to the above embodiment, and other embodiments may be adopted, for example, the transformer 211 may not be disposed against the sidewall.

Referring to fig. 1 to 5, in some embodiments of the present invention, a main transformer room area 210 is provided with a door body 215, a soundproofing louver 213 for air intake and an access door are provided on the door body 215, the soundproofing louver 213 is provided at a lower portion of the door body 215, the access door is used for access, the soundproofing louver 213 is provided to ventilate and reduce noise, and the access door is provided to facilitate daily maintenance.

Specifically, the main transformer room area 210 has a door body 215 for entering and exiting, the door body 215 may be made of a sound insulation material, for example, a sound insulation board, so as to reduce noise transmission, and a sound attenuation louver 213 for ventilation is disposed at the lower part of the door body 215, so that the ventilation and heat dissipation effects can be achieved, and the sound attenuation louver 213 can also suppress air intake noise, reduce noise transmission, the installation area of the sound attenuation louver 213 needs to be designed in detail according to the main transformer heat dissipation situation, and the ventilation volume of a single main transformer room in this embodiment is about 60000m ³ Per h, the maximum wind speed of the soundproofing louver 213 is designed to be about 4m/s, and the single main transformer chamber should be set to be about 9m ² Is provided, the sound-damping louver 213 of (a). According to the size of the transformer 211 and the need of maintenance in the future, a small maintenance door can be further arranged on the door body 215 of the main transformer room area 210, so as to facilitate the maintenance in the daily life.

It should be noted that, the door body 215 is not limited to the above embodiment, and other embodiments may be adopted, for example, the door body 215 may also be made of steel, so that the door body 215 has good strength and corrosion resistance, and is not deformed after long-term use, and the comprehensive sound insulation amount of the door body 215 can be more than or equal to 25dB (a).

Referring to fig. 5, in some embodiments of the present invention, the soundproof louver 213 includes a frame 213A and a plurality of soundproof leaves 213B, the soundproof leaves 213B are made of soundproof materials, the plurality of soundproof leaves 213B are disposed in the frame 213A at intervals, and the soundproof leaves 213B are disposed in an inclined manner, so that sound waves of noises are refracted and absorbed by the soundproof leaves 213B, thereby achieving an effect of reducing noises, and meanwhile, the obliquely disposed soundproof leaves 213B also play a role of preventing rain.

Specifically, the noise elimination leaf 213B can adopt the sound insulation material to make, can reduce self vibration sound production, and noise elimination leaf 213B piece can be 45 setting, and the noise elimination leaf 213B of slope setting can make the sound wave of noise by noise elimination leaf 213B refraction and absorption to reach the effect of noise reduction, the noise elimination leaf 213B of slope setting also can play rainproof effect simultaneously.

It should be noted that, the silencing leaf 213B is not limited to the above embodiment, and other embodiments may be adopted, for example, the silencing leaf 213B may also adopt a rainproof full-band type, the blade of the silencing leaf 213B may be double-arc, the blade of the shape has good sound insulation effect, low current resistance, small occupied space, high fireproof performance and strong corrosion resistance, so that the ventilation and heat dissipation effects and the noise reduction effects in the main transformer room area 210 can achieve good effects, and the total sound attenuation amount of the general rainproof full-band type silencing leaf 213B is not less than 20dB (a).

Referring to fig. 1 to 4, in some embodiments of the present invention, an acoustic panel 214 is laid on the inner side wall of the side wall panel of the main transformer room area 210, and the acoustic panel 214 includes an orifice plate 214a, a glass fiber cloth 214b, an acoustic cotton 214c, an acoustic pad 214d, a composite damping acoustic panel 214e and a steel plate 214f, which are sequentially disposed from outside to inside, so that sound waves can be effectively absorbed.

Specifically, the hole plate 214a may be a steel plate 214f made by punching, and the noise sound wave part enters from the hole of the hole plate 214a, and is mostly absorbed by the materials through the glass fiber cloth 214b and the sound absorbing cotton 214c, then the rest sound wave is absorbed by the sound insulation pad 214d and the composite damping sound insulation plate 214e, the sound insulation amount of the composite damping sound insulation plate is larger, the average sound insulation amount is about 40dB, besides the better sound insulation performance, the average sound absorption rate value of the damping sound insulation plate is about 0.84, the flow of the sound wave can be effectively reduced in the sound transmission process, and the sound can be mostly absorbed into the board through the board built-in structure, thereby reducing the acoustic transmission. And has better durability, can effectively prevent water and heat in the using process, ultraviolet resistance can be maintained for a long time even under severe environments. Through the materials, the sound waves received by the steel plate 214f which is close to the wall body at last are weaker, so that a good silencing effect is achieved.

It should be noted that, the sound absorbing board 214 is not limited to the above embodiment, and other embodiments may be adopted, for example, the sound absorbing board 214 may be made of foamed ceramic composite sound absorbing board material, which is made of mineral and clay crystals, and is combined into microporous sound absorbing material by high temperature melting foaming and ultra-fine glass fiber board, and has good sound absorbing and sound insulating effects after being compounded, the comprehensive sound absorbing coefficient is greater than or equal to 0.8, and the foamed ceramic composite sound absorbing board material mainly has the form of mineral and clay crystal board, damping rubber-plastic board and metal skeleton structure, and is different from the traditional inner wall sound absorbing board structure of metal pore board, glass wool, glass fiber cloth and metal skeleton. Compared with the traditional inner wall sound absorbing plate, the foam ceramic composite sound absorbing plate has the following advantages: the physical properties are better, the metal pore plate structure on the surface of the traditional metal inner wall sound absorption plate is easy to form uneven plate surface due to internal stress, the appearance is affected, and the sound absorption glass wool in the sound absorption body is easy to pulverize and collapse after long-term use. The main material of the foam ceramic composite sound absorbing board is mineral particles, which are foamed and condensed, so that the foam ceramic composite sound absorbing board does not generate rust, is insulating, acid and alkali resistant, salt fog corrosion resistant, strong in weather resistance, stable and various in color, and smooth and attractive in board surface, and the sandstone particle board can be customized by adopting various color sand. The environment-friendly performance is better, the main sound absorption material of the traditional inner wall sound absorption board is sound absorption glass wool, and the glass wool can generate glass fiber dust during paving and long-term use, so that discomfort such as skin itching and pain is caused. The foamed ceramic composite sound absorbing board is a fiber-free sound absorbing material, can be directly contacted with skin, can not be pulverized after long-term use, accords with the standard of green environment-friendly materials, and does not contain harmful components such as formaldehyde and the like. The fire resistance is excellent, the constituent materials of the foamed ceramic composite sound absorbing plate are all class A nonflammable, and the fire resistance limit can reach 3 hours. The acoustic performance is stable, and glass wool in the traditional inner wall sound absorbing plate is easy to collapse after long-term use, so that the sound absorbing effect is affected. The foamed ceramic composite sound absorbing board has double sound absorbing mechanism of porous material and micro perforated plate, and the comprehensive sound absorbing coefficient is greater than 0.80.

In some embodiments of the present invention, the sound insulation pad 214d is made by reacting a polymer compound, PVC, calcium powder, metal powder and an auxiliary agent, and the polymer sound insulation pad 214d is made by reacting various auxiliary agents of polymer, PVC, calcium powder and metal powder, and has the advantages of good sound insulation performance, 25dB average sound insulation at a thickness of 3mm, correspondingly increased sound insulation performance due to increased thickness, good vibration damping performance, high density, good weather resistance, insulation, water resistance, moisture resistance, corrosion resistance, moth resistance, flame retardance and the like.

It should be noted that, the side wall board may be further provided with a sound absorbing keel 216, the sound absorbing keel 216 is installed in the side wall board of the main transformer room area 210, the sound absorbing plate 214 is connected with the sound absorbing keel 216 through a tapping screw, and the sound absorbing plate 214 cooperates with the sound absorbing keel 216 to effectively reduce low-frequency reverberation noise in the main transformer room transformer 211. Compared with the main transformer room with the surrounding wall without the acoustic keels 216 and the acoustic boards 214, the acoustic boards 214 are arranged on the surrounding side wall boards of the main transformer room area 210, so that the reverberant sound of the main transformer room area 210 can be reduced by 3-8 dB (A).

In some embodiments of the present invention, the acoustic panel 214 is laid from bottom to top, and the area of the acoustic panel 214 is 58% -60% of the total area of the side wall panels, so that the noise reduction effect in this region is better, and the noise reduction effect changes less significantly after the above-mentioned ratio is continuously increased.

In particular, the noise reduction simulation method of the transformer substation is numerous, and firstly, the noise reduction simulation method is calculated through various empirical principle formulas according to relevant national standards and industry specifications; and secondly, noise prediction software such as soundPLAN and the like carries out noise prediction simulation. The empirical principle formula calculation method is simple and quick, but omits a plurality of details, so that the calculation precision and accuracy are not high, and the noise prediction simulation precision and accuracy are good by using the soundPLAN noise prediction software, and the application is wider. After sound PLAN acoustic prediction software is utilized to calculate noise reduction measures of acoustic boards 214 with different laying areas in the main transformer room after the main transformer room ventilation window adopts the noise elimination blades 213B, the factory boundary noise emission value at the position 1 meter outside the ventilation window and the noise value of different height planes are calculated, and the results are shown as follows:

the noise prediction results of the different interior wall sound absorbing panels 214 are compared to see: the larger the paving area of the acoustic panel 214 is, the lower the noise emission value of the factory boundary is, wherein the acoustic panel 214 with the height of 13 meters is installed on the front wallboard of the serial number 6 main transformer room, and the acoustic panels 214 with the height of 8.5 meters are installed on the other side wallboards, namely, after the paving area of the acoustic panel 214 reaches 58%, the noise emission at different height positions reaches the standard. The noise reduction effect is not obviously increased when the paving area exceeds 60%, so that the noise reduction effect is good when the paving area is 58% -60% in proportion by comprehensively considering engineering quantity and investment factors, and the cost performance is high.

Referring to fig. 1 to 2, in some embodiments of the present invention, the station body 100 is further provided with an exhaust fan 110, an exhaust port 120 and an air inlet window 140 for heat dissipation, the exhaust port 120, the air inlet window 140 and the exhaust fan 110 are provided on a wall, the outlet of the exhaust fan 110 is communicated with the exhaust port 120, and the exhaust port 120 is provided with a fan muffler 130, which can improve heat dissipation capability and inhibit noise transmission.

Specifically, the exhaust fan 110 may adopt a low noise fan, during operation, outdoor cool air enters the room through the air inlet window 140, and the exhaust fan 110 sucks indoor hot air and discharges the indoor hot air to the outside through the air outlet 120 to achieve a good heat dissipation effect, but the air outlet 120 is easy to propagate noise, so that the air outlet 120 is provided with the fan muffler 130, the noise propagation of the air outlet 120 can be effectively inhibited, the fan muffler 130 may adopt a sheet type muffler, the air outlet of the fan muffler 130 may be further provided with a rainproof shutter, the comprehensive sound attenuation amount of which may be more than or equal to 12dB (a), and through the above structure, the noise propagation from the air outlet 120 can be reduced.

Referring to fig. 1 to 2, in some embodiments of the present invention, an air inlet window 140 is provided below the air outlet 120, and the air inlet window 140 is disposed close to the floor.

Specifically, the exhaust fan 110 is disposed on the upper portion, the exhaust outlet 120 is disposed on the wall, and is also disposed on the upper portion, the air inlet window 140 is disposed on the lower portion, and is disposed as close to the ground as possible, during operation, external natural wind is introduced into the interior through the air inlet window 140 on the lower portion, and because the air inlet window 140 is sufficiently close to the ground, most of noise emitted by the air inlet window 140 is absorbed by the ground, and after the flowing air entering the room cools down, the air is heated and flows upwards, and is exhausted from the exhaust outlet 120 under the driving of the exhaust fan 110, the exhaust fan 110 can accelerate the flow of the air from bottom to top, so that the flow speed is accelerated, the heat dissipation effect is enhanced, and through the structure, the heat dissipation effect can be improved, and the noise propagation is suppressed.

Referring to fig. 1, 6 and 7, in some embodiments of the present invention, a capacitor chamber 231 is provided in the multifunctional area 230, a reactor and a capacitor are provided in the capacitor chamber 231, a damper is provided at the bottom of the reactor and the capacitor, the damper is located between the reactor and the capacitor and the ground, the station body 100 is further provided with a two-layer unit 300 and a three-layer unit 400, the two-layer unit 300 is located above the power distribution chamber area 220 and the multifunctional area 230, the two-layer unit 300 includes a battery chamber 310, a gas cylinder chamber 320, a tool room 330, a power distribution device chamber 340 and a cable interlayer 350, the three-layer unit 400 is located above the two-layer unit 300, and the three-layer unit 400 includes a relay chamber 410 and a communication chamber 420, a standby room 430 and a spare part data room 440. By providing the vibration damper, vibration conduction of the capacitor and the reactor can be reduced, thereby reducing noise propagation, and the two-layer unit 300 and the three-layer unit 400 can be provided with other functional areas for use by a worker.

Specifically, the capacitor and the reactor can also generate noise during operation, the capacitor and the reactor are arranged in the capacitor chamber 231, the shock absorber is arranged at the bottoms of the reactor and the capacitor to relieve the influence of structural sound, and according to the characteristics that the reactor needs to operate uninterruptedly, the environment temperature is high and the low-frequency noise is dominant, the rectangular three-way shock absorber can be adopted according to the requirement of shock insulation efficiency, and 2 rectangular shock absorbers can be selected for a single reactor and a single capacitor according to the distribution conditions of the mass and the stress points of the reactor and the capacitor. Vibration transmission can be effectively reduced through the shock absorber, and noise is reduced. The station body 100 may be configured as three layers, the first layer is the main transformer room area 210, the distribution room area 220 and the multifunctional area 230, the storage battery room 310 configured by the two-layer unit 300 is used for supplying power, the gas cylinder room 320 and the tool room 330 are used for storing working tools of workers, the distribution device room 340 and the cable interlayer 350 are associated with the distribution room area 220, some distribution devices and wiring channels are arranged, the relay room and the communication room 420 configured by the three-layer unit 400 are used for control and communication, the other standby room 430 and the standby material room 440 are used for providing a standby space and a placing space of standby material, and different functional areas are configured on different layers for the workers.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A 110kV substation noise reduction system, comprising:

a station body (100), wherein the station body (100) is substantially rectangular, the station body (100) has a main transformer room area (210), a distribution room area (220) and a multifunctional area (230), a transformer (211) is installed in the main transformer room area (210), the distribution room area (220) and the main transformer room area (210) are arranged in parallel along the length direction of the station body (100), one side of the multifunctional area (230) is simultaneously butted with the distribution room area (220) and the main transformer room area (210), and the sum of the widths of the distribution room area (220) and the main transformer room area (210) is substantially consistent with the width of the multifunctional area (230); main become room region (210) enclose through vertical side wall board and form, main room region (210) upper end that becomes opens and sets up, wherein keep away from the side wall board of distribution room region (220) is called positive wallboard, positive wallboard lower part is provided with ventilation window (212), the area of ventilation window (212) accounts for the proportion of positive wallboard area is 8% -12%, ventilation window (212) are equipped with noise elimination leaf (213B), still be equipped with sound insulation glass window on the side wallboard.

2. A 110kV substation noise reduction system according to claim 1, characterized in that the transformer (211) is centrally arranged within the main transformer room area (210).

3. The 110kV transformer substation noise reduction system according to claim 1, wherein the main transformer room area (210) is provided with a door body (215), a silencing louver (213) for air intake and an access small door are arranged on the door body (215), the silencing louver (213) is arranged at the lower part of the door body (215), and the access small door is used for access.

4. A 110kV substation noise reduction system according to claim 3, wherein the noise-reducing louver (213) includes a frame (213A) and a plurality of noise-reducing blades (213B), the noise-reducing blades (213B) are made of noise-reducing materials, the plurality of noise-reducing blades (213B) are disposed in the frame (213A) at intervals, and the noise-reducing blades (213B) are disposed obliquely.

5. The 110kV transformer substation noise reduction system according to claim 1, wherein a sound absorbing plate (214) is laid on the inner side of the side wall plate, and the sound absorbing plate (214) comprises a pore plate (214 a), glass fiber cloth (214 b), sound absorbing cotton (214 c), a sound insulation pad (214 d), a composite damping sound insulating plate (214 e) and a steel plate (214 f) which are sequentially arranged from outside to inside.

6. The 110kV substation noise reduction system according to claim 5, wherein the sound insulation pad (214 d) is made by using a polymer compound, PVC, calcium powder, metal powder and an auxiliary agent.

7. A 110kV substation noise reduction system according to claim 5, characterized in that the sound absorbing plate (214) is laid from bottom to top, and the area of the sound absorbing plate (214) laid is 58% -60% of the total area of the side wall plate.

8. The 110kV substation noise reduction system according to claim 1, wherein the station body (100) is further provided with an exhaust fan (110), an exhaust outlet (120) and an air inlet window (140) for heat dissipation, the exhaust outlet (120), the air inlet window (140) and the exhaust fan (110) are arranged on a wall, an outlet of the exhaust fan (110) is communicated with the exhaust outlet (120), and the exhaust outlet (120) is provided with a fan muffler (130).

9. The 110kV substation noise reduction system according to claim 8, wherein the air inlet window (140) is disposed below the air outlet (120), and the air inlet window (140) is disposed near a floor.

10. The 110kV substation noise reduction system according to claim 1, wherein the multifunctional area (230) is provided with a capacitor room (231), the capacitor room (231) is provided with a reactor and a capacitor, the bottom of the reactor and the bottom of the capacitor are respectively provided with a damper, the damper is located between the reactor and the capacitor and the ground, the station body (100) is further provided with a two-layer unit (300) and a three-layer unit (400), the two-layer unit (300) is located above the distribution room area (220) and the multifunctional area (230), the two-layer unit (300) comprises a battery room (310), a gas cylinder room (320), a tool room (330), a distribution device room (340) and a cable interlayer (350), the three-layer unit (400) is located above the two-layer unit (300), and the three-layer unit (400) comprises a relay room (410) and a communication room (420), a standby room (430) and a stock room (440).