CN211929274U - Low-noise dry-type transformer - Google Patents
Low-noise dry-type transformer Download PDFInfo
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- CN211929274U CN211929274U CN202020806870.9U CN202020806870U CN211929274U CN 211929274 U CN211929274 U CN 211929274U CN 202020806870 U CN202020806870 U CN 202020806870U CN 211929274 U CN211929274 U CN 211929274U
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- type transformer
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Abstract
The utility model relates to the technical field of dry-type transformers, in particular to a low-noise dry-type transformer, which comprises a shell, the front surface of the shell is provided with an equipment groove, a dry type transformer is arranged in the equipment groove, both sides of the center of the bottom of the dry type transformer are provided with bottom plates, the top and the bottom of the bottom plate are both fixedly connected with damping rubber pads, the bottom plate is provided with a guide rod at the position far away from the dry-type transformer, the bottom plate is provided with a guide groove at the position of the guide rod, through setting up the casing, the apron, the sound pad, buffer spring, the guide bar, solved the noise that present dry-type transformer sent mainly including the electromagnetic noise that produces during the operation and the mechanical noise that dry-type transformer vibrations produced during the operation, along with the improvement of standard of living, with the electrical distribution room directly establish downstairs of resident family during more and more high-rise residential district construction, and the resident meets the noise level requirement of transformer and also increases thereupon.
Description
Technical Field
The utility model relates to a dry-type transformer technical field specifically is a low noise dry-type transformer.
Background
The dry type transformer mainly comprises an iron core formed by silicon steel sheets and a coil poured by epoxy resin, an insulating cylinder is arranged between a high-voltage coil and a low-voltage coil to increase electrical insulation, a cushion block supports the coil and restricts the coil, fasteners lapped by parts of the dry type transformer have anti-loosening performance, the dry type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, the dry type transformer is simply a transformer with the iron core and the winding not immersed in insulating oil, and the cooling mode is divided into natural air cooling and forced air cooling.
The noise emitted by the existing dry-type transformer mainly comprises electromagnetic noise generated during operation and mechanical noise generated by vibration of the dry-type transformer during operation, and with the improvement of the living standard, a distribution room is directly arranged below a resident during the construction of more and more high-rise residential areas, and the noise level requirement of the resident on the transformer is increased, so that the problem needs to be improved by the low-noise dry-type transformer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise dry-type transformer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a low-noise dry-type transformer comprises a shell, wherein an equipment groove is formed in the front of the shell, a dry-type transformer is arranged in the equipment groove, bottom plates are arranged on two sides of the center of the bottom of the dry-type transformer, damping rubber pads are fixedly connected to the top and the bottom of each bottom plate, a guide rod is arranged on the bottom plate away from the dry-type transformer, a guide groove is formed in the bottom plate and is positioned at the position of the guide rod, a buffer spring is fixedly connected to the bottom of the bottom plate and is positioned on two sides of the guide groove, a cover plate is arranged on the front of the shell and is positioned at the position of the equipment groove, sound absorption pads are fixedly connected to the equipment groove and the cover plate, ventilation grooves are formed in two sides of the equipment groove, a dust cover is fixedly connected to two sides of the shell and is positioned above the ventilation grooves, and, the top of casing just is located the equal fixedly connected with handle in both sides of casing center department, the metallic channel has been seted up at the top of casing, be provided with the sealing plug in the metallic channel, the top of sealing plug just is located the outer fixedly connected with pull ring of casing.
Preferably, the shell and the cover plate are both made of steel plates, and the shell and the cover plate are both sprayed with electromagnetic shielding coating.
Preferably, the sound absorption pad is made by the sound absorption cotton and buffer spring and equipment groove and the connected mode of guide bar and equipment groove is fixed connection.
Preferably, the guide rod and the buffer spring are both provided with a plurality of dry-type transformers which are fixedly connected with the bottom plate through fixing bolts.
Preferably, the sealing plug is connected with the wire groove, the guide rod and the guide groove in a sliding manner.
Preferably, the dust cover, the filter screen and the ventilation groove are provided with a plurality of sealing plugs, and the shape of the sealing plugs is matched with that of the wire guide grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, by arranging the shell, the cover plate, the sound absorption pad, the buffer spring and the guide rod, the electromagnetic noise generated by the dry type transformer during the operation can be absorbed by the sound absorption pad made of sound absorption cotton, the rest electromagnetic noise can hardly pass through the shell and the cover plate made of steel plates, so that the intensity of the electromagnetic noise transmitted is lower, the vibration generated by the dry type transformer during the operation can be absorbed by the shock absorption rubber pad and the buffer spring, the noise generated by the collision between the dry type transformer and the shell is avoided, the noise intensity transmitted by the dry type transformer during the operation is lower, the problems that the noise generated by the current dry type transformer mainly comprises the electromagnetic noise generated during the operation and the mechanical noise generated by the vibration of the dry type transformer during the operation are solved, along with the improvement of living standard, the distribution room is directly arranged below the residential building during the construction of, the noise level requirement of the transformer for the residents is increased.
2. The utility model discloses in, through setting up the dust cover, the filter screen, the ventilation groove, the filter screen can prevent that the air from carrying during the dust gets into the casing.
3. The utility model discloses in, through setting up the electromagnetic shielding coating of spraying on casing and apron, can avoid external electromagnetic signal to get into in the casing interference dry-type transformer normal operating.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;
fig. 4 is an enlarged view of the point B in fig. 1 according to the present invention.
In the figure: 1-shell, 2-equipment groove, 3-dry type transformer, 4-bottom plate, 5-shock absorption rubber pad, 6-guide rod, 7-guide groove, 8-buffer spring, 9-cover plate, 10-sound absorption pad, 11-ventilation groove, 12-dust cover, 13-filter screen, 14-handle, 15-wire groove, 16-sealing plug and 17-pull ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a low-noise dry-type transformer comprises a shell 1, wherein the shell 1 and a cover plate 9 are both made of steel plates, electromagnetic shielding coatings are sprayed on the shell 1 and the cover plate 9, the steel plates are high in density, the shell 1 and the cover plate 9 made of the steel plates are compact and have no pores or gaps, noise is difficult to penetrate through the shell 1 and the cover plate 9, the noise cannot be transmitted to the outside, a device groove 2 is formed in the front of the shell 1, a dry-type transformer 3 is arranged in the device groove 2, bottom plates 4 are arranged on two sides of the center of the bottom of the dry-type transformer 3, damping rubber pads 5 are fixedly connected to the top and the bottom of each bottom plate 4, a guide rod 6 is arranged at a position of each bottom plate 4, which is far away from the dry-type transformer 3, a plurality of guide rods 6 and damping springs 8 are arranged, the dry-type transformer 3 is fixedly connected with, the bottom of the bottom plate 4 and the two sides of the guide groove 7 are fixedly connected with buffer springs 8, the front of the shell 1 and the position of the equipment groove 2 are provided with a cover plate 9, the connection modes of the sealing plugs 16 and the wire grooves 15 as well as the guide rods 6 and the guide grooves 7 are both sliding connected, the equipment groove 2 and the cover plate 9 are both fixedly connected with sound absorption pads 10, the sound absorption pads 10 are made of sound absorption cotton, the connection modes of the buffer springs 8 and the equipment groove 2 as well as the connection modes of the guide rods 6 and the equipment groove 2 are both fixedly connected, the sound absorption cotton has a multi-fiber structure, noise passes through the sound absorption pads 10 and is reflected, mutually superposed and collided by countless fibers, the sound wave energy of the noise is converted into heat energy, the noise intensity is reduced, the two sides of the equipment groove 2 are both provided with ventilation grooves 11, the two sides of the shell 1 and the upper part of the ventilation grooves 11 are fixedly connected with dust covers 12, the filter screens 13 and, the dust cover 12 is internally provided with a filter screen 13 fixedly connected below the ventilation groove 11, the top of the shell 1 is provided with a handle 14 fixedly connected with the two sides of the center of the shell 1, the top of the shell 1 is provided with a wire groove 15, a sealing plug 16 is arranged in the wire groove 15, and the top of the sealing plug 16 is provided with a pull ring 17 fixedly connected outside the shell 1.
The utility model discloses work flow: when the dry-type transformer is used, the dry-type transformer 3 is fixedly arranged on the bottom plate 4, the sealing plug 16 is pulled out, the lead passes through the guide groove 15 to be connected with the dry-type transformer 3, when the dry-type transformer 3 runs, mechanical vibration generated by the dry-type transformer 3 can be absorbed by the shock absorption rubber pad 5, large noise generated by collision between the dry-type transformer 3 and the bottom plate 4 is avoided, meanwhile, the mechanical vibration generated by the dry-type transformer 3 can drive the bottom plate 4 to move up and down along the guide rod 6, the buffer spring 8 can reduce the moving amplitude of the bottom plate 4, large noise generated by collision between the bottom plate 4 and the shell 1 is avoided, noise generated by collision between the dry-type transformer 3 and the shell 1 during running is avoided, electromagnetic noise generated by running of the dry-type transformer 3 can be firstly absorbed by the sound absorption pad 10, the sound absorption pad 10 made of sound absorption cotton has a, Mutual stack, collision, the sound wave energy of noise converts heat energy to reduce the intensity of electromagnetic noise, and the closely knit no hole or the gap of casing 1 and apron 9 that are made by the steel sheet simultaneously, and the difficult casing 1 and the apron 9 that pass of electromagnetic noise can waste a large amount of energy when passing casing 1 and apron 9, makes the intensity of the electromagnetic noise who spreads to casing 1 outside reduce.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A low noise dry transformer comprising a housing (1), characterized in that: the front of the shell (1) is provided with an equipment groove (2), a dry-type transformer (3) is arranged in the equipment groove (2), two sides of the center of the bottom of the dry-type transformer (3) are respectively provided with a bottom plate (4), the top and the bottom of the bottom plate (4) are respectively and fixedly connected with a damping rubber pad (5), the position of the bottom plate (4) far away from the dry-type transformer (3) is provided with a guide rod (6), the position of the guide rod (6) on the bottom plate (4) is provided with a guide groove (7), the bottom of the bottom plate (4) and two sides of the guide groove (7) are respectively and fixedly connected with a buffer spring (8), the front of the shell (1) and the position of the equipment groove (2) are respectively provided with a cover plate (9), the equipment groove (2) and the cover plate (9) are respectively and fixedly connected with a sound absorption pad (10), the two sides of the equipment groove (, the utility model discloses a ventilation duct, including casing (1), top fixedly connected with dust cover (12) of both sides and being located ventilation duct (11) of casing (1), below fixedly connected with filter screen (13) that just are located ventilation duct (11) in dust cover (12), the top of casing (1) just is located the equal fixedly connected with handle in both sides (14) of casing (1) center department, wire casing (15) have been seted up at the top of casing (1), be provided with sealing plug (16) in wire casing (15), the top of sealing plug (16) just is located casing (1) outer fixedly connected with pull ring (17).
2. A low noise dry transformer according to claim 1, wherein: the shell (1) and the cover plate (9) are made of steel plates, and electromagnetic shielding coatings are sprayed on the shell (1) and the cover plate (9).
3. A low noise dry transformer according to claim 1, wherein: inhale sound pad (10) by inhale the sound cotton make and buffer spring (8) and equipment groove (2) and the connected mode of guide bar (6) and equipment groove (2) is fixed connection.
4. A low noise dry transformer according to claim 1, wherein: the guide rods (6) and the buffer springs (8) are provided with a plurality of dry-type transformers (3) which are fixedly connected with the bottom plate (4) through fixing bolts.
5. A low noise dry transformer according to claim 1, wherein: the sealing plug (16) is connected with the wire groove (15), the guide rod (6) and the guide groove (7) in a sliding way.
6. A low noise dry transformer according to claim 1, wherein: the dust cover (12), the filter screen (13) and the ventilation groove (11) are all provided with a plurality of sealing plugs (16), and the shapes of the sealing plugs are matched with those of the wire guide grooves (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806870.9U CN211929274U (en) | 2020-05-15 | 2020-05-15 | Low-noise dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806870.9U CN211929274U (en) | 2020-05-15 | 2020-05-15 | Low-noise dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929274U true CN211929274U (en) | 2020-11-13 |
Family
ID=73319898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020806870.9U Active CN211929274U (en) | 2020-05-15 | 2020-05-15 | Low-noise dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929274U (en) |
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2020
- 2020-05-15 CN CN202020806870.9U patent/CN211929274U/en active Active
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