CN114141480A - Low-noise dry-type transformer - Google Patents
Low-noise dry-type transformer Download PDFInfo
- Publication number
- CN114141480A CN114141480A CN202111611395.5A CN202111611395A CN114141480A CN 114141480 A CN114141480 A CN 114141480A CN 202111611395 A CN202111611395 A CN 202111611395A CN 114141480 A CN114141480 A CN 114141480A
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- arc
- transformer
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- base
- plate
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- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000003139 buffering effect Effects 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to a low-noise dry-type transformer, which comprises a transformer body, wherein the transformer body is arranged on a damping seat through a lower base, a fan is arranged on the front side of the damping seat, the lower part and the upper part of the side wall of a box body on two sides of the fan are respectively provided with an air inlet and an air outlet, a noise reduction plate is arranged on the inner side of the side wall of the box body, the bottom of the damping seat is fixedly connected with a supporting seat, the upper part of the supporting seat is slidably connected with a supporting cylinder, the top of the supporting cylinder is fixedly connected to the lower part of the base, a buffering pressure spring is arranged between the top of the supporting seat and the base, and a sliding unit and a buffering unit are arranged on the outer side of the supporting cylinder; the vibration of the transformer can be effectively buffered, the dry-type transformer can be well supported, the noise reduction plates which are arranged in a staggered mode on the inner side of the box body can eliminate most of noise, and a good sound insulation and noise reduction effect is achieved.
Description
Technical Field
The invention relates to the technical field of dry-type transformers, in particular to a low-noise dry-type transformer.
Background
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machines and other places, and the cooling methods of dry-type transformers are divided into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The device is suitable for intermittent overload operation or emergency accident overload operation; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.
The dry-type transformer can generate a large amount of noise during working, the vibration and forced air cooling of the transformer body can generate certain noise during working and running, and the noise is large, so that the normal working and living environment of surrounding residents can be influenced; therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects described in the background art, and therefore the low-noise dry-type transformer is realized, the vibration of the transformer can be effectively buffered by arranging the damping assembly below the transformer, the dry-type transformer can be well supported, most of noise can be eliminated by the aid of the noise reduction plates which are arranged on the inner side of the box body in a staggered mode, and good sound insulation and noise reduction effects are achieved.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a low noise dry-type transformer, includes the transformer body, the transformer body passes through lower part pedestal mounting on the cushion socket, and the cushion socket front side is provided with the fan, and the box lateral wall lower part and the upper portion of fan both sides are provided with air intake and air outlet respectively, and the inboard of box lateral wall is provided with and falls the board of making an uproar, cushion socket bottom fixedly connected with supporting seat, supporting seat upper portion sliding connection have a support section of thick bamboo, and support section of thick bamboo top fixed connection is in the lower part of base, is provided with the buffering pressure spring between supporting seat top and the base, the support section of thick bamboo outside is provided with slip unit and buffer unit, and slip unit and supporting seat cooperation restrict the displacement direction of base, make the base can only remove in vertical direction, and buffer unit plays support and cushioning effect to the support section of thick bamboo.
Furthermore, the air inlet is arranged on the upper portion of the side wall of the box body, the ground clearance is not less than 20 cm, the air inlet is arranged away from a dust source, a filter screen is arranged at the position of the air inlet, and the air inlet is communicated with the bottom of the inner side of the box body through an air inlet pipeline so that outside air enters the box body from the bottom of the box body.
Further, it is two-layer to fall the board of making an uproar, and the board of making an uproar is two-layer to fall and staggers on the board and be equipped with the ventilation hole, falls the board upper berth of making an uproar and is equipped with the sound cotton of inhaling, plays the function that gives sound insulation and fall the noise, and the air outlet setting is on the upper portion of box lateral wall, and air outlet department is provided with exhaust fan and filter screen, and the outside air gets into upper portion by the box lower part and discharges into, at box inner loop operation, plays good radiating effect.
Furthermore, the sliding unit comprises arc-shaped sliding plates, arc-shaped supporting plates and annular plates, the number of the arc-shaped sliding plates is at least four, the arc-shaped sliding plates are evenly arranged around the supporting cylinder, the upper portion of each arc-shaped sliding plate is fixedly connected with the base, the lower portion of each arc-shaped sliding plate is fixedly connected with the outer side of the supporting cylinder through a connecting plate, and the auxiliary supporting seat plays a supporting role in supporting the base.
Further, arc backup pad outside and shock mount fixed connection, inboard and arc slide sliding connection, the annular plate inboard is connected with the support cylinder outside sliding, and the outside is through fixed plate and arc backup pad fixed connection, makes the base can only reciprocate along the supporting seat, guarantees the steady operation of system.
Furthermore, the buffer unit comprises an upper support rod, a lower support rod and a slide rod, wherein the upper end of the upper support rod is hinged with the lower part of the arc-shaped sliding plate, the lower end of the upper support rod, the upper end of the lower support rod and the end part of the slide rod are hinged, the lower end part of the lower support rod is hinged with the support, the other end of the slide rod is connected in the sliding sleeve in a sliding mode, a buffer spring is connected between the end part of the slide rod and the bottom of the sliding sleeve, and the buffer unit plays a role in buffering the vibration of the transformer.
The low-noise dry-type transformer has the beneficial effects that:
1. the low-noise dry-type transformer can effectively buffer the vibration of the transformer during operation under the combined action of the supporting seat, the pressure spring and the buffer unit, reduce the noise generated by the vibration, reduce the noise source, play a good role in supporting the transformer and ensure the stability of the whole system.
2. According to the low-noise dry-type transformer, the two layers of noise reduction plates are arranged on the inner side of the box body, the ventilation holes are arranged in a staggered mode, ventilation circulation is not affected, good noise reduction and reduction effects can be achieved, sound waves penetrating through the ventilation holes can be absorbed by noise reduction cotton on the second layer of noise reduction plates after the noise reduction cotton penetrates through the first layer of noise reduction plates, and the purposes of noise reduction and noise reduction are achieved.
3. According to the low-noise dry-type transformer, the damping component is arranged below the transformer, the noise generation of a noise source can be reduced, the double-layer noise reduction plate on the inner side of the box body is provided with the staggered ventilation hole structure, the ventilation circulation requirement can be met, and the noise reduction purpose can be achieved by using the silencing cotton on the noise reduction plate.
Drawings
Fig. 1 is a schematic structural view of a low noise dry type transformer of the present invention;
fig. 2 is a schematic structural view of a damper base in the low noise dry type transformer of the present invention;
fig. 3 is a schematic structural view of a noise reduction plate in the low noise dry type transformer of the present invention;
in the figure: 1-transformer body, 2-base, 3-fan, 4-shock absorption seat, 5-air inlet, 6-air inlet pipeline, 7-noise reduction plate, 8-air vent, 9-air outlet, 10-support cylinder, 11-arc sliding plate, 12-upper support rod, 13-sliding rod, 14-buffer spring, 15-sliding sleeve, 16-lower support rod, 17-support, 18-arc support plate, 19-annular plate, 20-support seat and 21-pressure spring.
Detailed Description
The low noise dry type transformer according to the present invention will be described in more detail by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, 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 simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, the low-noise dry-type transformer of this embodiment sets up damper assembly in the transformer below, can effectively cushion the vibration of transformer, and can play good supporting role to the dry-type transformer, and the board of making an uproar falls that the inboard staggered arrangement of box can eliminate most noises, plays good syllable-dividing and falls the effect of making an uproar, and it mainly includes the transformer body.
In this embodiment, see fig. 1 and fig. 3 in detail, the transformer body 1 is installed on a damper 4 through a lower base 2, a fan 3 is installed on the front side of the damper 4, an air inlet 5 and an air outlet 9 are respectively installed on the lower portion and the upper portion of the side wall of the box body on both sides of the fan 3, the air inlet 5 is installed on the upper portion of the side wall of the box body, the distance from the ground is not less than 20 cm, the air inlet is far away from the dust source, a filter screen is installed on the air inlet 5, the air inlet 5 is communicated with the bottom of the inner side of the box body through an air inlet duct 6, so that the outside air enters the box body from the bottom of the box body, a noise reduction plate 7 is installed on the inner side of the side wall of the box body, the noise reduction plate 7 is two layers, ventilation holes 8 are staggered on the two layers of noise reduction plates 7, sound absorption cotton is laid on the noise reduction plate 7, the functions of sound insulation and noise reduction are achieved, the air outlet 9 is installed on the upper portion of the side wall of the box body, a fan and a filter screen are arranged at the air outlet 9, the outside air enters the upper part from the lower part of the box body and is discharged, and the air circularly runs in the box body, thereby playing a good role in heat dissipation.
In this embodiment, referring to fig. 1 and 2 in detail, the bottom of the damper seat 4 is fixedly connected with a support seat 20, the upper portion of the support seat 20 is slidably connected with a support cylinder 10, the top of the support cylinder 10 is fixedly connected to the lower portion of the base 2, a buffer compression spring 21 is arranged between the top of the support seat 10 and the base 2, a sliding unit and a buffer unit are arranged outside the support cylinder 10, the sliding unit includes arc-shaped sliding plates 11, arc-shaped support plates 18 and annular plates 19, at least four arc-shaped sliding plates 11 are uniformly arranged around the support cylinder 10, the upper portion of each arc-shaped sliding plate 18 is fixedly connected with the base 2, the lower portion of each arc-shaped sliding plate is fixedly connected with the outer side of the support cylinder 10 through a connecting plate, and the auxiliary support seat 20 plays a supporting role on the base; the outer side of the arc-shaped supporting plate 18 is fixedly connected with the shock absorption seat 4, the inner side of the arc-shaped supporting plate is connected with the arc-shaped sliding plate 11 in a sliding mode, the inner side of the annular plate 19 is connected with the outer side of the supporting cylinder 10 in a sliding mode, the outer side of the annular plate is fixedly connected with the arc-shaped supporting plate 18 through the fixing plate, the base 2 can only move up and down along the axial direction of the supporting seat 20, and the safe and stable operation of the system is guaranteed.
Buffer unit plays support and cushioning effect to supporting a section of thick bamboo 10, buffer unit includes bracing piece 12, lower support bar 16 and slide bar 13, the upper end of going up bracing piece 12 is articulated with arc slide 11 lower part, and the lower extreme of going up bracing piece 12, the upper end and the slide bar 13 tip of lower support bar 16 are articulated, and the lower tip of lower support bar 16 is articulated with support 17, and slide bar 13 other end sliding connection is in sliding sleeve 15, is connected with buffer spring 14 between slide bar 13 tip and the sliding sleeve 15 bottom, plays the cushioning effect to the vibration of transformer.
Claims (6)
1. The utility model provides a low noise dry-type transformer, includes the transformer body, its characterized in that: the transformer body passes through the lower part pedestal mounting on the cushion socket, and the cushion socket front side is provided with the fan, and the box lateral wall lower part and the upper portion of fan both sides are provided with air intake and air outlet respectively, and the inboard of box lateral wall is provided with the board of making an uproar that falls, cushion socket bottom fixedly connected with supporting seat, supporting seat upper portion sliding connection have a supporting cylinder, and supporting cylinder top fixed connection is in the lower part of base, is provided with the buffering pressure spring between supporting seat top and the base, the supporting cylinder outside is provided with slip unit and buffer unit, and slip unit and supporting seat cooperation restrict the displacement direction of base, make the base can only remove in vertical direction, and buffer unit plays support and cushioning effect to the supporting cylinder.
2. The low noise dry transformer of claim 1, wherein: the air inlet is arranged on the upper portion of the side wall of the box body, the ground clearance is not less than 20 centimeters, a filter screen is arranged at the position of the air inlet, and the air inlet is communicated with the bottom of the inner side of the box body through an air inlet pipeline.
3. The low noise dry transformer of claim 1, wherein: the board of making an uproar falls for two-layer, and the board of making an uproar is fallen to two-layer and is gone up the ventilation hole that staggers on, falls the board upper berth of making an uproar and is equipped with and inhale the sound cotton, and the air outlet setting is provided with exhaust fan and filter screen on the upper portion of box lateral wall, air outlet department.
4. The low noise dry transformer of claim 1, wherein: the sliding unit comprises arc-shaped sliding plates, arc-shaped supporting plates and annular plates, the number of the arc-shaped sliding plates is at least four, the arc-shaped sliding plates are evenly arranged around the supporting cylinder, the upper parts of the arc-shaped sliding plates are fixedly connected with the base, and the lower parts of the arc-shaped sliding plates are fixedly connected with the outer side of the supporting cylinder through connecting plates.
5. The low noise dry transformer of claim 4, wherein: the outer side of the arc-shaped supporting plate is fixedly connected with the shock absorption seat, the inner side of the arc-shaped supporting plate is connected with the arc-shaped sliding plate in a sliding mode, the inner side of the annular plate is connected with the outer side of the supporting cylinder in a sliding mode, and the outer side of the annular plate is fixedly connected with the arc-shaped supporting plate through the fixing plate.
6. The low noise dry transformer of claim 1, wherein: the buffer unit comprises an upper support rod, a lower support rod and a slide rod, wherein the upper end of the upper support rod is hinged to the lower portion of the arc-shaped slide plate, the lower end of the upper support rod, the upper end of the lower support rod and the end portion of the slide rod are hinged, the lower end portion of the lower support rod is hinged to the support, the other end of the slide rod is connected in the slide sleeve in a sliding mode, and a buffer spring is connected between the end portion of the slide rod and the bottom of the slide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611395.5A CN114141480A (en) | 2021-12-27 | 2021-12-27 | Low-noise dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611395.5A CN114141480A (en) | 2021-12-27 | 2021-12-27 | Low-noise dry-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN114141480A true CN114141480A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111611395.5A Pending CN114141480A (en) | 2021-12-27 | 2021-12-27 | Low-noise dry-type transformer |
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| CN (1) | CN114141480A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211265181U (en) * | 2020-03-16 | 2020-08-14 | 江苏力王电气股份有限公司 | Noise reduction type dry-type transformer |
| CN211404242U (en) * | 2020-03-26 | 2020-09-01 | 马鞍山当涂发电有限公司 | Air duct cooling device for dry-type transformer |
| CN212318335U (en) * | 2020-06-09 | 2021-01-08 | 合肥翃道科技有限公司 | Novel industrial fan driving system based on frequency converter |
| CN214203379U (en) * | 2020-12-30 | 2021-09-14 | 四川通用电力有限公司 | Dry-type transformer with dustproof structure of making an uproar of falling |
| CN113488325A (en) * | 2021-07-03 | 2021-10-08 | 江西广能电气设备有限公司 | Low-noise dry-type transformer |
-
2021
- 2021-12-27 CN CN202111611395.5A patent/CN114141480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211265181U (en) * | 2020-03-16 | 2020-08-14 | 江苏力王电气股份有限公司 | Noise reduction type dry-type transformer |
| CN211404242U (en) * | 2020-03-26 | 2020-09-01 | 马鞍山当涂发电有限公司 | Air duct cooling device for dry-type transformer |
| CN212318335U (en) * | 2020-06-09 | 2021-01-08 | 合肥翃道科技有限公司 | Novel industrial fan driving system based on frequency converter |
| CN214203379U (en) * | 2020-12-30 | 2021-09-14 | 四川通用电力有限公司 | Dry-type transformer with dustproof structure of making an uproar of falling |
| CN113488325A (en) * | 2021-07-03 | 2021-10-08 | 江西广能电气设备有限公司 | Low-noise dry-type transformer |
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Application publication date: 20220304 |