CN111312471B - Heat dissipation and noise reduction type transformer - Google Patents
Heat dissipation and noise reduction type transformer Download PDFInfo
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- CN111312471B CN111312471B CN202010208312.7A CN202010208312A CN111312471B CN 111312471 B CN111312471 B CN 111312471B CN 202010208312 A CN202010208312 A CN 202010208312A CN 111312471 B CN111312471 B CN 111312471B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
A heat dissipation and noise reduction type transformer comprises a shell, a transformer body, a rain shield and a sound insulation plate; the end face of the shell is provided with a sealing door, and the shell is internally provided with a blower and a supporting plate for placing the transformer body; a plurality of shock absorption supporting columns are uniformly arranged on the lower end surface of the supporting plate and are connected with the bottom surface of the shell; the multiple sound insulation boards are respectively arranged on the inner wall of the shell and the end faces, facing the shell, of the sealing doors, the end faces of the multiple adjacent sound insulation boards are mutually compressed, multiple grooves are uniformly formed in the end face, located inside the shell, of each group of sound insulation boards, and multiple first through holes used for communicating the multiple adjacent grooves are formed in the inner walls of the grooves in the same sound insulation board; sound-absorbing materials are filled in the grooves and the first through holes, and a protective net is arranged at the notch of each groove in the communicating bin; the plurality of rain baffles are obliquely arranged on the side end face of the shell, and the side end face of the shell is provided with a plurality of heat dissipation holes for communicating the plurality of communicating bins. The transformer provided by the invention has the advantages of good heat dissipation effect and excellent noise reduction performance.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a heat dissipation and noise reduction type transformer.
Background
The transformer is an important component of a power supply system and is a device for changing alternating voltage by utilizing the principle of electromagnetic induction; the dry-type transformer has the advantages of fire prevention, maintenance free, strong overload capacity, long service life and the like, so that the dry-type transformer is widely used in the prior districts, schools, markets, government offices, military grounds and the like; when the transformer works, the magnetostriction of the silicon steel sheets causes the iron core to vibrate, and larger noise is caused; especially at night, the sound generated by the operation of the transformer is too loud, the noise radiated into the environment seriously influences the rest of nearby residents, and in addition, the high temperature generated by the operation of the transformer can influence the service performance of the transformer; therefore, the application provides a heat dissipation and noise reduction type transformer.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a heat dissipation and noise reduction type transformer, which can effectively eliminate the noise generated during the operation of the transformer and effectively avoid the occurrence of the noise pollution during the operation of the transformer; in addition, the air blowing heat dissipation can be carried out on the transformer, and the use performance of the transformer is improved.
(II) technical scheme
In order to solve the problems, the invention provides a heat dissipation and noise reduction type transformer, which comprises a shell, a blower, a transformer body, a rain shield, a sound insulation plate, a sealing door and a lockset;
the shell is provided with an air inlet hole, the end surface of the shell is provided with an opening, and a supporting plate for placing the transformer body is arranged in the shell; a plurality of shock absorption supporting columns are uniformly arranged on the lower end surface of the supporting plate; the plurality of shock absorption supporting columns are connected with the bottom surface of the shell;
one end of the sealing door is rotatably connected with the shell through a hinge, the other end of the sealing door is connected with the shell through a lockset, the end face of the sealing door, facing the shell, is tightly pressed against the shell to seal the opening, and the end face of the sealing door, far away from the shell, is provided with a handle;
the multiple sound insulation boards are respectively arranged on the inner wall of the shell and the end faces, facing the shell, of the sealing doors, the end faces of the multiple adjacent sound insulation boards are mutually compressed, multiple grooves are uniformly formed in the end face, located inside the shell, of each group of sound insulation boards, and multiple first through holes used for communicating the multiple adjacent grooves are formed in the inner walls of the grooves in the same sound insulation board, so that a communicating bin is formed in the sound insulation boards; the sound absorption materials with gaps are filled in the communicating bin, and a protective net is arranged at the notch of each groove of the communicating bin;
the blower is arranged in the shell, and the air inlet end of the blower is connected with the air inlet hole through the air pipe; a first dustproof filter screen is arranged in the air inlet hole;
one end of each rain baffle is connected with the side end face of the shell, and the other end of each rain baffle inclines towards the bottom face of the shell, wherein a plurality of heat dissipation holes for communicating a plurality of communicating bins are formed in the projection area of the rain baffles on the shell of the shell; and a second dustproof filter screen is arranged in each radiating hole.
Preferably, a plurality of support columns are included; a plurality of support columns are uniformly arranged on the lower end surface of the shell.
Preferably, a rain shelter is included; the rain shelter is arranged at the top of the shell and is in a herringbone shape, and the projection length value and the width value of the rain shelter on the ground are uniform and correspondingly larger than those of the shell on the ground; wherein, the fresh air inlet sets up the top at the shell.
Preferably, a plurality of guide rods are included; wherein, a plurality of second through holes are arranged on the supporting plate;
a plurality of guide bars distribute side by side, and a plurality of guide bars pass a plurality of second through-holes respectively and all connect the bottom surface of shell, the equal sliding connection backup pad of a plurality of guide bars, wherein guide bar and second through-hole one-to-one.
Preferably, a plurality of nuts are included;
the nuts are respectively in threaded connection with the guide rods, the nuts are all positioned above the supporting plate, the supporting plate is pressed tightly by the nuts facing the end face of the supporting plate, and the nuts correspond to the guide rods one by one; under the initial condition, each group of shock absorption supporting columns are in a compression state.
Preferably, each groove tapers in diameter along its central axis from its notch towards its bottom surface.
Preferably, each group of shock absorption supporting columns comprises a first fixing plate, a spring, a sliding rod, an installation cylinder and a second fixing plate, wherein the first fixing plate is used for being connected with the supporting plate, and the second fixing plate is used for being connected with the bottom surface of the shell;
hydraulic oil is stored in the mounting cylinder, a piston plate is arranged in the mounting cylinder in a sliding mode, one end of the mounting cylinder is connected with the second fixing plate, and an end cover is arranged at the other end of the mounting cylinder; the end cover is provided with a third through hole;
a fourth through hole and a fifth through hole are formed in the piston plate; a first one-way valve is arranged in the fourth through hole; a second one-way valve is arranged in the fifth through hole; the flow direction of the second one-way valve is opposite to that of the first one-way valve;
one end of the sliding rod is connected with the first fixing plate, and the other end of the sliding rod penetrates through the third through hole and extends into the mounting cylinder and is connected with the piston plate;
the spring is sleeved outside the sliding rod, and two ends of the spring are respectively connected with the end cover and the first fixing plate.
Preferably, a sliding sleeve is arranged in the third through hole; the sliding sleeve is sleeved outside the sliding rod, and the inner wall of the sliding sleeve compresses the peripheral surface of the sliding rod.
Preferably, a plurality of first fastening pieces and a plurality of second fastening pieces are included; the first fixing plate is provided with a plurality of first mounting holes; a plurality of second mounting holes are formed in the second fixing plate; the bottom surface of the shell is provided with a plurality of second threaded blind holes; a plurality of first threaded blind holes are formed in the supporting plate;
the first fastening pieces respectively penetrate through the first threaded holes and are screwed into the first threaded blind holes in a threaded manner; the end face of the first fixing plate facing the supporting plate presses the supporting plate;
the plurality of second fastening pieces respectively penetrate through the plurality of second threaded holes and are screwed into the plurality of second threaded blind holes in a threaded manner; the end face of the second fixing plate facing the bottom face of the shell presses the bottom face of the shell tightly.
Preferably, the sound absorption material is selected from sound absorption cotton.
The technical scheme of the invention has the following beneficial technical effects:
when the transformer is used, the transformer body is placed on the supporting plate, and a plurality of shock absorption supporting columns are uniformly arranged on the bottom surface of the supporting plate; when the transformer body runs in a power-on mode, generated vibration is transmitted to the supporting plate, and the plurality of shock absorption supporting columns transmit elastic deformation to absorb and buffer the vibration so as to reduce vibration noise generated when the transformer body runs; noise generated by the operation of the transformer body is blocked by the sound insulation board arranged on the inner wall of the shell, so that noise pollution caused by the radiation of the noise generated by the operation of the transformer body to the outside of the shell is avoided, in addition, when the noise enters a communicating bin formed by communicating a plurality of grooves arranged on the sound insulation board, air molecules rub with the inner wall of the communicating bin violently, a large amount of consumed sound energy is consumed, a sound-absorbing material with pores is filled in the communicating bin, the air molecules act with the sound-absorbing material firstly, and the sound energy is greatly reduced, so that the noise can be counteracted effectively, and the effects of absorbing the sound and reducing the noise are achieved; through the hair-dryer with the outside air through first dustproof filter screen filter back let in the shell in to the heat dissipation of blowing transformer body, hot-air flows out the shell in the radiating hole, can effectually avoid rainwater etc. to get into the radiating hole through the weather shield that sets up, avoids the acoustic celotex board to receive rainwater corrosion damage, improve equipment's life.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation and noise reduction type transformer according to the present invention.
Fig. 2 is a schematic perspective view of an isolation plate in a heat dissipation and noise reduction type transformer according to the present invention.
Fig. 3 is a schematic diagram of a partially enlarged structure at a position a in a heat dissipation and noise reduction type transformer according to the present invention.
Fig. 4 is a schematic structural diagram of a heat dissipation and noise reduction type transformer with a partially enlarged portion at B according to the present invention.
Fig. 5 is a schematic view of an installation structure of a rain shield, a housing and a sound shield in the heat dissipation and noise reduction type transformer according to the present invention.
Fig. 6 is a front view of a heat dissipation and noise reduction type transformer according to the present invention.
Reference numerals: 1. a housing; 2. a rain shelter; 3. an air inlet hole; 4. a blower; 5. a transformer body; 6. a rain shield; 7. a sound insulating board; 8. a support plate; 9. a support pillar; 10. a groove; 11. a first through hole; 12. a guide bar; 13. communicating the bin; 14. a sound absorbing material; 15. a protective net; 16. heat dissipation holes; 17. a second dust-proof filter screen; 18. a sealing door; 19. a handle; 20. a lock; 21. a first check valve; 22. a first fixing plate; 23. a spring; 24. an end cap; 25. a sliding sleeve; 26. mounting the cylinder; 27. hydraulic oil; 28. a piston plate; 29. a second one-way valve; 30. and a second fixing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the heat dissipation and noise reduction transformer provided by the present invention comprises a housing 1, a blower 4, a transformer body 5, a rain shield 6, a sound shield 7, a sealing door 18 and a lock 20;
an air inlet hole 3 is formed in the shell 1, an opening is formed in the end face of the shell 1, and a supporting plate 8 for placing the transformer body 5 is arranged in the shell 1; a plurality of shock absorption supporting columns are uniformly arranged on the lower end face of the supporting plate 8; the plurality of shock absorption supporting columns are connected with the bottom surface of the shell 1; the shock absorption supporting column has a shock absorption buffering function;
one end of the sealing door 18 is rotatably connected with the shell 1 through a hinge, the other end of the sealing door 18 is connected with the shell 1 through a lockset 20, the end face, facing the shell 1, of the sealing door 18 presses the shell 1 to seal the opening, and the end face, far away from the shell 1, of the sealing door 18 is provided with a handle 19; it should be noted that the lock 20 is a commonly used product in the existing market, and can be purchased directly, and is used for locking and fixing the sealing door 18 and the housing 1, so as to prevent other people from opening the sealing door 18 at will;
the plurality of sound insulation boards 7 are respectively arranged on the inner wall of the shell 1 and the end face of the sealing door 18 facing the shell 1, namely, a sound insulation layer formed by one sound insulation board 7 is arranged on the inner wall of the empty bin of the shell 1;
the end surfaces of the adjacent groups of sound insulation boards 7 are mutually compressed to ensure that no gap exists between the sound insulation boards 7 in the shell 1 so as to improve the noise reduction effect, a plurality of grooves 10 are uniformly arranged on the end surface of each group of sound insulation boards 7 positioned in the shell 1, and a plurality of first through holes 11 for communicating the adjacent grooves 10 are arranged on the inner walls of the grooves 10 on the same sound insulation board 7 so as to form a communicating bin 13 on the sound insulation boards 7; the sound absorption materials 14 with gaps are filled in the communication bin 13, and a protective net 15 is arranged at the notch of each groove 10 of the communication bin 13; the arranged protective net 15 prevents the sound-absorbing material 14 from separating from the groove 10;
the blower 4 is arranged in the shell 1, and the air inlet end of the blower 4 is connected with the air inlet hole 3 through an air pipe; a first dustproof filter screen is arranged in the air inlet hole 3; the blower 4 filters outside air through the first dustproof filter screen and then leads the air into the shell 1 to blow and radiate the transformer body 5;
one end of each of the plurality of rain baffles 6 is connected with the side end surface of the shell 1, and the other end of each of the plurality of rain baffles 6 inclines towards the bottom surface of the shell 1, wherein the shell 1 is provided with a plurality of heat dissipation holes 16 for communicating the plurality of communication bins 13 in the projection area of the plurality of rain baffles 6 on the shell 1; a second dustproof filter screen 17 is arranged in each heat dissipation hole 16.
When the transformer is used, the transformer body 5 is placed on the supporting plate 8, and a plurality of shock absorption supporting columns are uniformly arranged on the bottom surface of the supporting plate 8; when the transformer body 5 runs in a power-on mode, generated vibration is transmitted to the supporting plate 8, and the plurality of shock absorption supporting columns transmit elastic deformation under the action of vibration to absorb and buffer the vibration so as to reduce vibration noise generated when the transformer body 5 runs; noise generated by the operation of the transformer body 5 is blocked by the sound insulation board 7 arranged on the inner wall of the shell 1, so that noise pollution caused by the radiation of the noise generated by the operation of the transformer body 5 to the outside of the shell 1 is avoided, in addition, when the noise enters the communicating bin 13 formed by communicating a plurality of grooves 10 arranged on the sound insulation board 7, air molecules rub with the inner wall of the communicating bin violently, a large amount of consumed sound energy is consumed, the communicating bin 13 is filled with the sound absorption material 14 with pores, the air molecules firstly act on the sound absorption material 14, and the sound energy is greatly reduced, so that the noise can be effectively counteracted, and the effects of sound absorption and noise reduction are achieved; through hair-dryer 4 with the outside air let in the heat dissipation of blowing to transformer body 5 in the shell 1 after first dustproof filter screen filters, the hot-air flows out shell 1 in from louvre 16, can effectually avoid in rainwater etc. get into louvre 16 through the weather shield 6 that sets up.
In an alternative embodiment, a plurality of support posts 9 are included; a plurality of support columns 9 are uniformly arranged on the lower end surface of the shell 1; the casing 1 is not in direct contact with the ground by arranging the supporting columns 9, so that the corrosion of the casing 1 caused by corrosive substances on the ground is avoided.
In an alternative embodiment, a rain fly 2 is included; the rain shelter 2 is arranged at the top of the shell 1, the rain shelter 2 is in a herringbone shape, and the projection length value and the width value of the rain shelter 2 on the ground are uniform and correspondingly larger than those of the shell 1 on the ground; wherein, the air inlet 3 is arranged at the top of the shell 1; the canopy 2 that is equipped with hides wind and rain to shell 1 to reduce shell 1's loss, improve its life.
In an alternative embodiment, a plurality of guide rods 12 are included; wherein, a plurality of second through holes are arranged on the supporting plate 8;
the guide rods 12 are distributed side by side, the guide rods 12 penetrate through the second through holes respectively and are connected with the bottom surface of the shell 1, the guide rods 12 are connected with the supporting plate 8 in a sliding mode, and the guide rods 12 correspond to the second through holes one to one; guide rods 12 are provided to improve the structural stability of the support plate 8.
In an alternative embodiment, a plurality of nuts are included;
the nuts are respectively in threaded connection with the guide rods 12, the nuts are all located above the supporting plate 8, the supporting plate 8 is pressed by the end faces, facing the supporting plate 8, of the nuts, and the nuts correspond to the guide rods 12 one by one; under the initial condition, each group of shock absorption supporting columns are in a compression state.
In an alternative embodiment, each recess 10 is tapered along its central axis from its notch towards its base to increase the notch area of the recess 10 to allow noise to enter the recess 10 to act as sound absorbing material 14 to improve noise reduction.
In an alternative embodiment, each set of shock-absorbing support columns comprises a first fixing plate 22 for connecting with the support plate 8, a spring 23, a slide rod, a mounting cylinder 26 and a second fixing plate 30 for connecting with the bottom surface of the housing 1;
a fourth through hole and a fifth through hole are formed in the piston plate 28; a first one-way valve 21 is arranged in the fourth through hole; a second one-way valve 29 is arranged in the fifth through hole; the second check valve 29 and the first check valve 21 are in opposite flow directions;
one end of the sliding rod is connected with the first fixing plate 22, and the other end of the sliding rod penetrates through the third through hole and extends into the mounting cylinder 26 and is connected with the piston plate 28;
the spring 23 is sleeved outside the sliding rod, and two ends of the spring 23 are respectively connected with the end cover 24 and the first fixing plate 22; when the support plate 8 is vibrated to drive the first fixing plate 22 to vibrate, the first fixing plate 22 drives the slide rod to move towards one side of the mounting cylinder 26, at this time, the spring 23 is further compressed, and the spring 23 has elastic force; the piston plate 28 moves within the mounting cylinder 26, the piston plate 28 pressing against the hydraulic oil 27 located below the piston plate 28; the hydraulic oil 27 flows from the first check valve 21 or the second check valve 29 to the upper side of the piston plate 28 to damp and cushion the vibration received by the support plate 8; the support plate 8 moves upwards, the spring 23 returns to the original state, and the hydraulic oil 27 on the upper layer of the piston plate 28 flows back to the lower part of the piston plate 28 through the second check valve 29 or the first check valve 21, so that the support plate 8 is quickly returned to the original state.
In an alternative embodiment, a sliding sleeve 25 is arranged in the third through hole; the sliding sleeve 25 is sleeved on the outer side of the sliding rod, and the inner wall of the sliding sleeve 25 compresses the peripheral surface of the sliding rod.
In an alternative embodiment, a plurality of first fasteners and a plurality of second fasteners are included; wherein, the first fixing plate 22 is provided with a plurality of first mounting holes; a plurality of second mounting holes are formed on the second fixing plate 30; the bottom surface of the shell 1 is provided with a plurality of second threaded blind holes; a plurality of first threaded blind holes are formed in the supporting plate 8;
the first fastening pieces respectively penetrate through the first threaded holes and are screwed into the first threaded blind holes in a threaded manner; the first fixing plate 22 presses the support plate 8 toward the end face of the support plate 8;
the plurality of second fastening pieces respectively penetrate through the plurality of second threaded holes and are screwed into the plurality of second threaded blind holes in a threaded manner; the end face of the second fixing plate 30 facing the bottom face of the housing 1 presses the bottom face of the housing 1.
In an alternative embodiment, the sound absorbing material 14 is selected from sound absorbing cotton.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A heat dissipation and noise reduction transformer is characterized by comprising a shell (1), a blower (4), a transformer body (5), a rain shield (6), a sound insulation plate (7), a sealing door (18), a plurality of guide rods (12), a plurality of nuts and a lockset (20);
an air inlet hole (3) is formed in the shell (1), an opening is formed in the end face of the shell (1), and a supporting plate (8) for placing the transformer body (5) is arranged in the shell (1); a plurality of shock absorption supporting columns are uniformly arranged on the lower end surface of the supporting plate (8); the plurality of shock absorption supporting columns are connected with the bottom surface of the shell (1); a plurality of second through holes are formed in the supporting plate (8); the guide rods (12) are distributed side by side, the guide rods (12) penetrate through the second through holes respectively and are connected with the bottom surface of the shell (1), the guide rods (12) are connected with the supporting plate (8) in a sliding mode, and the guide rods (12) correspond to the second through holes one to one; the nuts are respectively in threaded connection with the guide rods (12), the nuts are all located above the supporting plate (8), the supporting plate (8) is pressed by the end faces, facing the supporting plate (8), of the nuts, and the nuts correspond to the guide rods (12) one by one; in an initial state, each group of shock absorption supporting columns are in a compression state;
one end of the sealing door (18) is rotatably connected with the shell (1) through a hinge, the other end of the sealing door (18) is connected with the shell (1) through a lockset (20), the end face, facing the shell (1), of the sealing door (18) presses the shell (1) tightly to seal the opening, and the end face, far away from the shell (1), of the sealing door (18) is provided with a handle (19);
the multiple sound insulation boards (7) are respectively arranged on the inner wall of the shell (1) and the end faces, facing the shell (1), of the sealing doors (18), the end faces of the multiple adjacent groups of sound insulation boards (7) are mutually compressed, multiple grooves (10) are uniformly formed in the end face, located inside the shell (1), of each group of sound insulation boards (7), and multiple first through holes (11) used for communicating the multiple adjacent grooves (10) are formed in the inner walls of the grooves (10) in the same sound insulation board (7) so as to form a communicating bin (13) on the sound insulation boards (7); sound-absorbing materials (14) with gaps are filled in the communicating bins (13), and protective nets (15) are arranged at the notches of the grooves (10) of the communicating bins (13); each groove (10) is gradually reduced in diameter along the central axis direction from the notch towards the bottom surface thereof;
the blower (4) is arranged in the shell (1), and the air inlet end of the blower (4) is connected with the air inlet hole (3) through an air pipe; a first dustproof filter screen is arranged in the air inlet hole (3);
one end of each of the plurality of rain baffles (6) is connected with the side end face of the shell (1), the other end of each of the plurality of rain baffles (6) inclines towards the bottom face of the shell (1), and a plurality of heat dissipation holes (16) for communicating the plurality of communication bins (13) are formed in the projection area of the plurality of rain baffles (6) on the shell (1) of the shell (1); a second dustproof filter screen (17) is arranged in each heat dissipation hole (16).
2. A heat dissipating and noise reducing transformer according to claim 1, comprising a plurality of support columns (9); a plurality of support columns (9) are uniformly arranged on the lower end surface of the shell (1).
3. A heat dissipating and noise reducing transformer according to claim 1, comprising a canopy (2); the rain shelter (2) is arranged at the top of the shell (1), the rain shelter (2) is in a herringbone shape, and the projection length value and the width value of the rain shelter (2) on the ground are uniformly and correspondingly larger than those of the shell (1) on the ground; wherein, the air inlet hole (3) is arranged at the top of the shell (1).
4. A heat-dissipating and noise-reducing transformer according to claim 1, wherein each set of shock-absorbing support columns comprises a first fixing plate (22) for connecting with the support plate (8), a spring (23), a slide rod, a mounting cylinder (26) and a second fixing plate (30) for connecting with the bottom surface of the housing (1);
hydraulic oil (27) is stored in the mounting cylinder (26), a piston plate (28) is arranged in the mounting cylinder (26) in a sliding mode, one end of the mounting cylinder (26) is connected with a second fixing plate (30), and an end cover (24) is arranged at the other end of the mounting cylinder (26); a third through hole is formed in the end cover (24);
a fourth through hole and a fifth through hole are arranged on the piston plate (28); a first one-way valve (21) is arranged in the fourth through hole; a second one-way valve (29) is arranged in the fifth through hole; the second one-way valve (29) and the first one-way valve (21) have opposite flow directions;
one end of the sliding rod is connected with the first fixing plate (22), and the other end of the sliding rod penetrates through the third through hole to extend into the mounting cylinder (26) and is connected with the piston plate (28);
the spring (23) is sleeved on the outer side of the sliding rod, and two ends of the spring (23) are respectively connected with the end cover (24) and the first fixing plate (22).
5. The heat dissipation and noise reduction transformer according to claim 4, wherein a sliding sleeve (25) is disposed in the third through hole; the sliding sleeve (25) is sleeved outside the sliding rod, and the inner wall of the sliding sleeve (25) compresses the peripheral surface of the sliding rod.
6. The heat dissipation and noise reduction transformer of claim 4, comprising a plurality of first fastening members and a plurality of second fastening members; wherein, a plurality of first mounting holes are arranged on the first fixing plate (22); a plurality of second mounting holes are formed in the second fixing plate (30); the bottom surface of the shell (1) is provided with a plurality of second threaded blind holes; a plurality of first threaded blind holes are formed in the supporting plate (8);
the first fastening pieces respectively penetrate through the first threaded holes and are screwed into the first threaded blind holes in a threaded manner; the first fixing plate (22) presses the support plate (8) towards the end face of the support plate (8);
the plurality of second fastening pieces respectively penetrate through the plurality of second threaded holes and are screwed into the plurality of second threaded blind holes in a threaded manner; the end face of the second fixing plate (30) facing the bottom face of the shell (1) presses the bottom face of the shell (1).
7. The heat dissipation and noise reduction transformer according to claim 1, wherein the sound absorbing material (14) is selected from sound absorbing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208312.7A CN111312471B (en) | 2020-03-23 | 2020-03-23 | Heat dissipation and noise reduction type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208312.7A CN111312471B (en) | 2020-03-23 | 2020-03-23 | Heat dissipation and noise reduction type transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111312471A CN111312471A (en) | 2020-06-19 |
| CN111312471B true CN111312471B (en) | 2021-06-01 |
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Family Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112289565A (en) * | 2020-10-26 | 2021-01-29 | 马鞍山豪远电子有限公司 | Dry-type transformer with vibration/noise reduction function |
| CN112489965B (en) * | 2020-11-19 | 2021-09-21 | 浙江江山博奥电气有限公司 | Noise reduction insulation transformer |
| CN112922779B (en) * | 2021-01-05 | 2024-05-17 | 重庆大学 | Vibration reduction system for offshore wind turbine generator and assembly method thereof |
| CN113451001A (en) * | 2021-05-13 | 2021-09-28 | 杭州电力设备制造有限公司建德冠源成套电气制造分公司 | Transformer damping support |
| CN113674950B (en) * | 2021-10-21 | 2021-12-24 | 江苏顺隆鸿泰电力设备有限公司 | Transformer |
| CN114242424B (en) * | 2022-01-12 | 2023-11-14 | 江苏天威变压器有限公司 | Low-noise transformer |
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