CN212343112U

CN212343112U - Noise-reduction and noise-elimination type box-type substation shell

Info

Publication number: CN212343112U
Application number: CN202021806840.4U
Authority: CN
Inventors: 晏小强; 付愈; 张应龙
Original assignee: Foshan Zhongheng Electric Equipment Co ltd
Current assignee: Foshan Zhongheng Electric Equipment Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-01-12
Anticipated expiration: 2030-08-26

Abstract

The invention discloses a noise-reducing and silencing box-type substation shell which comprises an outer shell, a top cover, a supporting base and supporting legs, wherein the top cover is fixed at the top of the outer shell; the shell body is connected gradually by four wallboards and forms, is connected with the dodge gate on arbitrary wallboard, and it has the sound absorption paster to bond on the dodge gate, and the wallboard includes by interior and outer amortization layer, electromagnetic shield layer, vacuum layer, heat dissipation layer and the outer inoxidizing coating of arranging in proper order, fixed connection each other between sound absorption layer, electromagnetic shield layer, vacuum layer, heat dissipation layer and the outer inoxidizing coating. This noise reduction and elimination type box-type substation shell simple structure, reasonable in design, overall structure compactness is strong, and the performance of making an uproar falls in giving sound insulation, and the radiating efficiency is high, and the safety in utilization is high, has good market perspective.

Description

Noise-reduction and noise-elimination type box-type substation shell

Technical Field

The invention relates to the technical field of noise reduction devices for electric appliance casings, in particular to a noise reduction and elimination type box-type substation casing.

Background

The box-type substation is a factory prefabricated indoor and outdoor compact type distribution device which is formed by integrating high-voltage switch equipment, a distribution transformer and a low-voltage distribution device according to a certain wiring scheme. Because equipment such as high-low voltage switchgear, distribution transformer are equipped with in the transformer substation, these equipment can send the noise when the operation, and especially the transformer, the noise that produces is very big, and the transformer so produce the noise, mainly derive from three sound sources: is a core, windings and cooler. The noise generated by the iron core is caused by the tiny change, namely magnetostriction, under the action of the alternating magnetic field of the silicon steel sheets of the iron core, the magnetostriction enables the iron core to periodically vibrate along with the change of the excitation frequency, and the magnetostriction deformation of the iron core and the electromagnetic force in a winding, an oil tank and a magnetic shield. The reason for the vibration of the winding is that electromagnetic force is generated in the current winding, and the structural part can also vibrate due to the leakage magnetic field. The electromagnetic noise is generated because the magnetic field induces the iron core lamination to vibrate along the longitudinal direction to generate noise, and the vibration amplitude is related to the magnetic flux density in the iron core lamination and the magnetic performance of the iron core material.

In order to reduce the noise generated by each electrical appliance in the box-type substation, sound insulation materials such as foam rubber or noise reduction cotton are usually directly arranged on a housing of the substation in the prior art, and although the sound insulation materials can reduce the noise generated by the substation to a certain extent, the heat dissipation efficiency of a transformer and related elements in the substation is reduced, a distribution transformer can generate a large amount of heat during working, and if the heat is not dissipated in time, the temperature in the transformer room is too high, and the normal work of the transformer can be influenced seriously.

Therefore, it is an urgent need to solve the problem of the technical staff in the art to provide a noise reduction and elimination type box-type substation shell that has reasonable structural design, high heat dissipation efficiency, high safety in use, and good sound insulation and noise reduction performance.

Disclosure of Invention

In order to solve the technical problems of poor sound insulation and noise reduction performance, low heat dissipation efficiency and the like of a box-type substation shell in the prior art, the invention provides the noise-reduction and noise-reduction box-type substation shell which is reasonable in structural design, high in heat dissipation efficiency, high in safety in use and good in sound insulation and noise reduction performance.

In order to achieve the purpose, the invention adopts the following technical scheme:

a noise-reducing and silencing type box-type substation shell comprises an outer shell body, a top cover, a supporting base and supporting legs, wherein the top cover is fixed to the top of the outer shell body, the top cover is of a cover body structure, the middle of the top cover protrudes to form a ridge, the supporting base is fixed to the bottom of the outer shell body, radiating holes are formed in the supporting base, the top cover and the supporting base enclose the outer shell body to form a closed box-type structure, and the supporting legs are fixed to the bottom end face of the supporting base; the shell body is connected gradually by four wallboards and forms, arbitrary be connected with the dodge gate on the wallboard, it has the sound absorption paster to bond on the dodge gate, the wallboard includes by interior and outer arrange in proper order and fixed connection's noise damping layer, electromagnetic shield layer, vacuum layer, heat dissipation layer and outer inoxidizing coating.

Compared with the prior art, the invention discloses a noise-reducing and silencing type box-type substation shell, by utilizing the connecting structure of the outer shell, the top cover and the supporting base, the whole structure of the transformer substation shell is compact, the rainwater can be effectively prevented from entering, by utilizing the sharp top structure of the top cover, rainwater or sundries can fall off from the shell in time, the accumulation on the top of the shell is avoided, through the design that utilizes the louvre, effectively improved the heat dispersion of this transformer substation shell, the design of dodge gate makes things convenient for operating personnel to overhaul the electrical equipment in this transformer substation shell, and the sound absorption paster's on the dodge gate design has further improved the syllable-dividing and noise reduction performance of this shell, and the structural design of wallboard makes the noise elimination ability of this transformer substation shell strong, good heat dissipation, can effectively the noise reduction. The noise-reducing and silencing box-type substation shell is simple in structure, reasonable in design, strong in overall structure compactness, good in sound insulation and noise reduction performance, high in heat dissipation efficiency, high in use safety and good in market application prospect.

Further, the noise reduction layer with fixed connection forms between the electromagnetic shield layer the inboard layer of wallboard, the heat dissipation layer with fixed connection forms between the outer inoxidizing coating the outside layer of wallboard, parallel interval arrangement between the inboard layer and the outside layer of wallboard, and its border passes through after the bounding wall seals the parcel, forms promptly the vacuum layer.

The beneficial effect who adopts above-mentioned technical scheme to produce is that, because the speed that sound propagates in the vacuum is slower, the setting on vacuum layer has further promoted the syllable-dividing noise reduction effect of this transformer substation's shell.

Furthermore, the top surface of the top cover is provided with a plurality of strips for protecting the top cover along the downward inclined direction, the strips are fixed on the top end surface of the top cover, and the plurality of strips are uniformly arranged at intervals along the length direction of the top cover.

Optionally, the laths are wood laths.

The beneficial effects that adopt above-mentioned technical scheme to produce are that, can play good guard action to the top cap, reduce the area of top cap and air contact, reduce the probability that the top cap produced the corrosion, effectively prolonged the life of this transformer substation's shell.

Further, the top cover is made of metal, and optionally, the top cover is made of galvanized steel sheets.

The transformer substation shell has the advantages that the transformer substation shell is good in overall structure stability, firm and durable, and has a good anti-corrosion function.

Further, the supporting base comprises a supporting upper plate, a filter screen and a supporting lower plate which are sequentially arranged in parallel from top to bottom, gaps are formed between the supporting upper plate and the supporting lower plate, the supporting upper plate, the filter screen and the supporting lower plate are all fixed on the inner wall of the wallboard, and a plurality of radiating holes which are evenly distributed are formed in the supporting upper plate and the supporting lower plate.

The beneficial effect who adopts above-mentioned technical scheme to produce is for this transformer substation's shell has good thermal diffusivity, and the setting of filter screen has still effectively avoided the mouse to enter into the transformer substation simultaneously, has played certain guard action.

Furthermore, the supporting legs are a plurality of, and a plurality of the supporting legs are evenly arranged on the bottom end face of the supporting lower plate, and each supporting leg comprises an upper supporting section and a lower supporting section, the lower supporting section is a rubber seat with a positioning groove formed in the top, the top of the upper supporting section is fixed on the bottom end face of the supporting lower plate, and the bottom of the upper supporting section is embedded and fixed in the positioning groove.

The beneficial effect who adopts above-mentioned technical scheme to produce is, can effectively reduce the transformer operation and drive the great noise that this transformer substation's shell bottom violent vibration produced, restriction vibration transmission, further noise reduction, restriction vibration transmission guarantee the steady operation of equipment.

Further, the sound absorbing patch is a sound absorbing material.

Furthermore, the sound absorption material consists of a rock wool substrate, foam sponge and an adhesive layer.

The beneficial effect who adopts above-mentioned technical scheme to produce is that, the area of contact of sound absorption paster and sound wave is great to can effectively reduce sound wave intensity, noise reduction improves the vibration/noise reduction effect of this transformer substation's shell.

Furthermore, the material that amortization layer adopted is amortization foam.

The beneficial effect who adopts above-mentioned technical scheme to produce is, can effectively absorb the noise that produces in the transformer operation process in this transformer substation's shell, uses with the cooperation of vacuum layer and can effectively strengthen the sound insulation of this transformer substation's shell and fall the performance of making an uproar.

Furthermore, the electromagnetic shielding layer is made of one of conductive rubber, an EMI conductive foam lining, a metal EMI lining or a wave-absorbing material.

The beneficial effect that adopts above-mentioned technical scheme to produce is that, can make the electromagnetic field that the coil sent in the transformer can't pierce through and spread, has prevented the influence of electromagnetic field to transformer external structure, and then makes external structure can not take place the vibration because of the electromagnetic field who reveals, reaches the effect of further noise reduction.

Furthermore, a plurality of heat dissipation channels are formed in the heat dissipation layer, and heat dissipation media are filled in the plurality of heat dissipation channels.

Further, the heat dissipation medium is one of water or gel.

The beneficial effect who adopts above-mentioned technical scheme to produce is, can effectively reduce the temperature in this transformer substation's shell through the radiating medium, guarantees the normal work operation of transformer in the shell, promotes the operating efficiency.

Furthermore, the outer protective layer is made of one of nickel-chromium stainless steel, nickel-chromium alloy or galvanized steel sheet.

The transformer substation shell has the advantages of being high in strength and good in corrosion resistance.

The transformer noise reduction device is characterized by further comprising a plurality of noise reduction connecting assemblies, wherein the noise reduction connecting assemblies are uniformly distributed and fixed on the inner wall of the wallboard and the top end face of the supporting upper plate respectively, and are used for fixing a transformer on the inner wall of the wallboard and the supporting upper plate; the noise reduction connecting assembly comprises an air spring, a universal ball head and a connecting seat, wherein two ends of the air spring are connected with one end of the universal ball head, the other end of the universal ball head is rotatably connected with the connecting seat, the connecting seat at one end of any air spring is connected onto the transformer through a bolt, and the connecting seat at the other end of the air spring is connected onto the wallboard or the supporting upper plate through a bolt.

The transformer has the advantages that the connection structure of the air springs, the transformer and the transformer substation shell enables vibration of the transformer, which is emitted under the action of an electromagnetic field, to be effectively absorbed by the air springs, so that the vibration is prevented from being transmitted to the transformer substation shell, the vibration transmission is limited, noise is fundamentally relieved, and the effect of further reducing the noise is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a noise-reducing and noise-eliminating box-type substation shell provided by the invention;

fig. 2 is a schematic structural diagram of a noise-reducing and noise-eliminating box-type substation shell provided by the invention in another form;

fig. 3 is a schematic structural diagram of a noise-reducing and noise-eliminating box-type substation shell provided by the invention in another state;

FIG. 4 is a sectional view of a wall panel in a housing of a noise-reducing and noise-reducing box-type substation provided by the invention;

fig. 5 is a partial structural sectional view of a housing of a noise-reducing and noise-eliminating box-type substation provided by the invention;

fig. 6 is an enlarged view of a portion of a structure shown in fig. 5.

Wherein: 1-outer shell, 11-wall board, 111-sound damping layer, 112-electromagnetic shielding layer, 113-vacuum layer, 114-heat dissipation layer, 1141-heat dissipation pore channel, 115-outer protective layer, 2-top cover, 3-support base, 31-support upper plate, 32-filter screen, 33-support lower plate, 4-support leg, 41-upper support section, 42-lower support section, 5-heat dissipation hole, 6-movable door, 7-sound absorption patch, 8-lath, 9-noise reduction connection assembly, 91-air spring, 92-universal ball head, 93-connection base and 10-transformer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The invention discloses a noise-reducing and silencing box-type substation shell, which comprises:

the heat dissipation device comprises an outer shell 1, a top cover 2, a supporting base 3 and supporting legs 4, wherein the top cover 2 is fixed at the top of the outer shell 1, the top cover 2 is of a pointed top cover body structure, the middle part of the pointed top cover body structure protrudes to form a ridge, the supporting base 3 is fixed at the bottom of the outer shell 1, heat dissipation holes 5 are formed in the supporting base 3, the top cover 2 and the supporting base 3 enclose the outer shell 1 into a closed box-type structure, and the supporting legs 4 are fixed on the bottom end face of the supporting; the outer shell 1 is formed by connecting four wallboards 11 in sequence, a movable door 6 is connected to any one of the wallboards 11, a sound absorption patch 7 is bonded to the movable door 6, and the wallboards 11 comprise a silencing layer 111, an electromagnetic shielding layer 112, a vacuum layer 113, a heat dissipation layer 114 and an outer protective layer 115 which are arranged from inside to outside in sequence and are fixedly connected.

According to an alternative embodiment of the present invention, the sound-deadening layer 111 and the electromagnetic shielding layer 112 are fixedly connected to form an inner layer of the wall panel 11, the heat-dissipating layer 114 and the outer protective layer 115 are fixedly connected to form an outer layer of the wall panel 11, the inner layer and the outer layer of the wall panel 11 are arranged in parallel and spaced, and the edges of the wall panel are hermetically wrapped by the enclosing plate to form the vacuum layer 113.

According to an alternative embodiment of the invention, the top surface of the top cover 2 is provided with a plurality of strips 8 for protecting the top cover 2 along the downward inclination direction, the strips 8 are fixed on the top end surface of the top cover 2, the number of the strips 8 is multiple, and the strips 8 are uniformly arranged at intervals along the length direction of the top cover 2; specifically, the slat 8 is wooden slat to can play good guard action to the top cap, reduce the area of top cap and air contact, reduce the probability that the top cap produced the corrosion, effectively prolonged the life of this transformer substation's shell.

According to an optional embodiment of the invention, the top cover 2 is made of galvanized steel plate, so that the transformer substation shell has good stability of the whole structure, is firm and durable, and has a good anti-corrosion function.

According to an optional embodiment of the invention, the supporting base 3 comprises an upper supporting plate 31, a filter screen 32 and a lower supporting plate 33 which are sequentially arranged in parallel from top to bottom, gaps are formed among the upper supporting plate 31, the filter screen 32 and the lower supporting plate 33, the peripheries of the upper supporting plate 31, the filter screen 32 and the lower supporting plate 33 are all fixed on the inner wall of the wall plate 11, and a plurality of heat dissipation holes 5 which are uniformly arranged are formed in the upper supporting plate 31 and the lower supporting plate 33, so that the transformer substation shell has good heat dissipation performance, and meanwhile, mice are effectively prevented from entering the transformer substation due to the arrangement of the filter screen, and a certain protection effect is achieved.

According to an optional embodiment of the invention, four supporting legs 4 are provided, the four supporting legs 4 are uniformly arranged on the bottom end surface of the lower supporting plate 33, each supporting leg 4 comprises an upper supporting section 41 and a lower supporting section 42, the lower supporting section 42 is a rubber seat with a positioning groove at the top, the top of the upper supporting section 41 is fixed on the bottom end surface of the lower supporting plate 33, and the bottom is embedded and fixed in the positioning groove, so that the larger noise generated by the severe vibration at the bottom of the transformer substation shell driven by the transformer during operation can be effectively reduced, the vibration transmission is limited, the noise is further reduced, the vibration transmission is limited, and the stable operation of the equipment is ensured.

According to an optional embodiment of the invention, the sound absorption patch 7 is a sound absorption material, specifically, the sound absorption material is composed of a rock wool substrate, a foam sponge and an adhesive layer, and the contact area between the sound absorption patch and sound waves is large, so that the sound wave strength can be effectively reduced, the noise can be reduced, and the shock absorption and noise reduction effects of the transformer substation shell can be improved.

According to an optional embodiment of the invention, the sound-deadening layer 111 is made of sound-deadening foam, so that noise generated in the operation process of the transformer in the transformer substation shell can be effectively absorbed, and the sound-deadening and noise-reducing performance of the transformer substation shell can be effectively enhanced by matching with the vacuum layer.

According to an optional embodiment of the present invention, the electromagnetic shielding layer 112 is made of conductive rubber, so that an electromagnetic field emitted from a coil in the transformer cannot penetrate and spread out, and the influence of the electromagnetic field on an external structure of the transformer is prevented, so that the external structure does not vibrate due to a leaked electromagnetic field, and an effect of further reducing noise is achieved.

According to an optional embodiment of the present invention, a plurality of heat dissipation tunnels 1141 are formed in the heat dissipation layer 114, and a heat dissipation medium, specifically, water, is filled in the plurality of heat dissipation tunnels 1141, so that the temperature in the transformer substation enclosure can be effectively reduced, the normal operation of the transformer in the enclosure is ensured, and the operation efficiency is improved.

According to an optional embodiment of the present invention, the outer protective layer 115 is made of nickel-chromium stainless steel, so that the transformer substation enclosure has high strength and good corrosion resistance.

According to an optional embodiment of the present invention, the transformer further includes a plurality of noise reduction connection assemblies 9, the plurality of noise reduction connection assemblies 9 are respectively and uniformly arranged and fixed on the inner wall of the wall board 11 and the top end surface of the supporting upper plate 31, the plurality of noise reduction connection assemblies 9 are used for fixing the transformer 10 on the inner wall of the wall board 11 and the supporting upper plate 31; the noise reduction connecting assembly 9 comprises an air spring 91, universal ball heads 92 and connecting seats 93, two ends of the air spring 91 are connected with one end of each universal ball head 92, the other end of each universal ball head 92 is rotatably connected with the corresponding connecting seat 93, the connecting seat 93 at one end of any air spring 91 is connected onto a transformer 10 through bolts, the connecting seats 93 at the other end are connected onto a wall plate 11 or a supporting upper plate 31 through bolts, and through the connecting structures of the air springs, the transformer can effectively absorb vibration generated under the action of an electromagnetic field, the vibration is transmitted to the transformer substation shell in a blocking mode, the vibration transmission is limited, the noise is fundamentally relieved, and the effect of further reducing the noise is achieved.

According to the noise-reducing and silencing box-type substation shell, the connecting structure of the shell body, the top cover and the supporting base is utilized, so that the whole structure of the substation shell is high in compactness, rainwater can be effectively prevented from entering the substation shell, rainwater or sundries can conveniently fall off the shell in time through the pointed top structure of the top cover, accumulation on the top of the shell is avoided, the heat dissipation performance of the substation shell is effectively improved through the design of the heat dissipation holes, an operator can conveniently overhaul electrical equipment in the substation shell through the design of the movable door, the sound absorption and noise reduction performance of the shell is further improved through the design of the sound absorption patches on the movable door, the noise reduction capability of the substation shell is high through the structural design of the wall plate, the heat dissipation performance is good, and noise can be effectively reduced. This noise reduction and elimination type box-type substation shell not only simple structure, reasonable in design, overall structure compactness is strong, and the performance of making an uproar is fallen in giving sound insulation moreover, and the radiating efficiency is high, and the safety in utilization is high, has good market perspective.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The noise-reduction and noise-reduction box-type substation shell is characterized by comprising a shell body (1), a top cover (2), a supporting base (3) and supporting legs (4), wherein the top cover (2) is fixed at the top of the shell body (1), the top cover (2) is of a cover body structure with a raised middle part forming a ridge, the supporting base (3) is fixed at the bottom of the shell body (1), radiating holes (5) are formed in the supporting base (3), the shell body (1) is enclosed into a closed box-type structure by the top cover (2) and the supporting base (3), and the supporting legs (4) are fixed on the bottom end face of the supporting base (3); the shell body (1) is connected gradually by four blocks of wallboard (11) and constitutes, arbitrary be connected with dodge gate (6) on wallboard (11), it has sound absorption paster (7) to bond on dodge gate (6), wallboard (11) include by interior and outer arrange in proper order and fixed connection's noise damping layer (111), electromagnetic shield layer (112), vacuum layer (113), heat dissipation layer (114) and outer inoxidizing coating (115).

2. A noise-reducing and sound-deadening type box substation enclosure according to claim 1, wherein the top surface of the top cover (2) is provided with a plurality of strips (8) for shielding the top cover (2) along a downward inclination direction of the top cover, the strips (8) are fixed on the top end surface of the top cover (2), and the plurality of strips (8) are uniformly arranged at intervals along the length direction of the top cover (2).

3. The box-type substation shell of noise reduction and sound insulation of claim 1, characterized in that the support base (3) comprises a support upper plate (31), a filter screen (32) and a support lower plate (33) which are arranged in parallel from top to bottom in sequence, the support upper plate (31), the filter screen (32) and the support lower plate (33) are all provided with gaps, the support upper plate (31), the filter screen (32) and the support lower plate (33) are all fixed on the inner wall of the wallboard (11) at the periphery, and a plurality of heat dissipation holes (5) which are uniformly arranged are formed in the support upper plate (31) and the support lower plate (33).

4. The box-type substation shell with noise reduction and elimination according to claim 3, characterized in that the number of the supporting legs (4) is multiple, the multiple supporting legs (4) are uniformly arranged on the bottom end face of the supporting lower plate (33), each supporting leg (4) comprises an upper supporting section (41) and a lower supporting section (42), the lower supporting section (42) is a rubber seat with a positioning groove at the top, the top of the upper supporting section (41) is fixed on the bottom end face of the supporting lower plate (33), and the bottom of the upper supporting section is embedded and fixed in the positioning groove.

5. A noise-reducing and sound-deadening box substation enclosure according to claim 3, characterized in that the sound absorbing patch (7) is of sound absorbing material.

6. A noise-reducing and silencing box-type substation enclosure according to claim 3, wherein the silencing layer (111) is made of silencing foam.

7. The box-type substation shell according to claim 3, characterized in that the electromagnetic shielding layer (112) is made of one of conductive rubber, EMI conductive foam lining, metal EMI lining or wave-absorbing material.

8. The box-type substation shell according to claim 3, wherein a plurality of heat dissipation holes (1141) are formed in the heat dissipation layer (114), and a heat dissipation medium is filled in the plurality of heat dissipation holes (1141).

9. A noise-reducing and silencing box-type substation enclosure according to claim 3, wherein the outer protective layer (115) is made of one of nickel-chromium stainless steel, nickel-chromium alloy or galvanized steel.

10. A noise-reducing and silencing type box-type substation shell according to any one of claims 3 to 9, further comprising a plurality of noise-reducing connection assemblies (9), wherein the plurality of noise-reducing connection assemblies (9) are uniformly arranged and fixed on the inner wall of the wall plate (11) and the top end surface of the supporting upper plate (31), respectively, and the plurality of noise-reducing connection assemblies (9) are used for fixing a transformer (10) on the inner wall of the wall plate (11) and the supporting upper plate (31); the noise reduction connecting assembly (9) comprises an air spring (91), a universal ball head (92) and a connecting seat (93), wherein the two ends of the air spring (91) are connected with one end of the universal ball head (92), the other end of the universal ball head (92) is rotatably connected with the connecting seat (93), the connecting seat (93) is connected with one end of the air spring (91) through bolts on the transformer (10), and the connecting seat (93) is connected with the other end of the air spring through bolts on the wall plate (11) or the supporting upper plate (31).