CN220138096U - Low-noise dry-type power transformer - Google Patents
Low-noise dry-type power transformer Download PDFInfo
- Publication number
- CN220138096U CN220138096U CN202320925318.5U CN202320925318U CN220138096U CN 220138096 U CN220138096 U CN 220138096U CN 202320925318 U CN202320925318 U CN 202320925318U CN 220138096 U CN220138096 U CN 220138096U
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- Prior art keywords
- shock absorber
- damper
- bottom plate
- power transformer
- shell
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- 239000006096 absorbing agent Substances 0.000 claims description 46
- 230000035939 shock Effects 0.000 claims description 43
- 238000013016 damping Methods 0.000 claims description 12
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Regulation Of General Use Transformers (AREA)
Abstract
The utility model discloses a low-noise dry-type power transformer, which comprises a cabinet body, wherein a plurality of radiating holes are formed in the top end of the rear wall surface of the cabinet body, three bases are fixedly arranged at the inner bottom of the cabinet body, a plurality of damper shells are respectively arranged at the top ends of the three bases, movable grooves are formed in the damper shells, damper inner shells are inserted into the movable grooves, damper cavities are formed in the damper inner shells, springs are arranged in the damper cavities, hydraulic damper rods are arranged in the springs, the structure is simple, a damper is arranged between a bottom plate of the transformer and the bases, when the transformer runs and generates vibration, the strength of vibration is reduced by the springs and the hydraulic dampers between the bottom plate and the inner shells when the vibration of the transformer is transmitted into the damper, meanwhile, the noise generated by the vibration is reduced, the installation is convenient, and an insulating sound absorbing layer is also arranged on the inner wall surface of the cabinet body, so that the noise is further reduced.
Description
Technical Field
The utility model relates to the technical field of dry transformers, in particular to a low-noise dry power transformer.
Background
The dry-type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and along with the continuous promotion of urban areas in China, the dry-type transformer is increasingly used, and electric energy is provided for places such as high-rise residential communities, office buildings, hospitals and hotels through the dry-type transformer. However, when the dry-type transformer is operated, the alternating magnetic field of the dry-type transformer generates periodic alternating acting force on the iron core and the coil to cause the noise to vibrate the installed base plate, the noise not only can influence the normal life of people in a building, but also can cause bad influence on the physical health of people in serious cases.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a low-noise dry type power transformer, which solves the problem of larger noise in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a low noise dry-type power transformer, includes the cabinet body, open on cabinet body back wall top has a plurality of louvres, cabinet body internal bottom fixed mounting has three base, and is three a plurality of shock absorber shell are all installed on the base top, shock absorber shell diapire face is equipped with the shock absorber bottom plate, the shock absorber bottom plate with adopt fixing bolt to carry out fixed connection between the base, be equipped with the movable groove in the shock absorber shell, evenly be equipped with two pairs of locating pins around the shock absorber shell inner wall face, the shock absorber inner shell inner wall face just is located around locating pin department all opens there is the locating hole, two pairs of locating pin respectively cartridge in corresponding in the locating hole, open in the shock absorber inner shell has the damping chamber, install the spring in the damping chamber, be equipped with hydraulic damper pole in the spring, hydraulic damper pole top fixed mounting with the roof face in damping chamber, hydraulic rod's bottom fixed mounting in the diapire face of movable groove, the shock absorber inner shell top is installed all around and is located the locating pin, just be located in the locating pin is located the locating pin in the locating hole in the shock absorber rubber layer, the shock absorber rubber layer is installed on the top, the shock absorber rubber layer is installed to the shock absorber rubber layer.
Preferably, the top of the spring is fixedly arranged on the top wall surface of the vibration reduction cavity, and the bottom of the spring is fixedly arranged on the bottom wall surface of the movable groove.
Preferably, a bolt washer is arranged between the nut of the fixing bolt and the top plate or the bottom plate of the shock absorber.
Preferably, an insulating sound absorption layer is arranged on the inner wall surface of the cabinet body.
Preferably, a certain gap is arranged between the bottom wall surface of the inner shell of the shock absorber and the bottom wall surface of the movable groove.
Preferably, the spring is of spring steel structure.
Preferably, the rubber layer and the bolt washer are both of a hard rubber structure.
Advantageous effects
The utility model provides a low-noise dry-type power transformer, which has the following beneficial effects: the device has simple structure, the vibration absorber is arranged between the bottom plate of the transformer and the base, when the transformer operates to vibrate, the vibration of the transformer is transmitted to the vibration absorber, the spring and the hydraulic vibration absorber between the outer shell and the inner shell of the transformer can reduce the intensity of the vibration, meanwhile, the noise generated by the vibration is reduced, the installation is convenient, the insulating sound absorbing layer is also arranged on the inner wall surface of the cabinet body, and the noise is further reduced.
Drawings
Fig. 1 is a front view of a low noise dry power transformer according to the present utility model.
Fig. 2 is a diagram showing a structure of a damper of a low noise dry type power transformer according to the present utility model.
Fig. 3 is a cross-sectional view of a damper of a low noise dry power transformer according to the present utility model.
In the figure: 1. a cabinet body; 2. a heat radiation hole; 3. a dry-type transformer; 4. a transformer bottom plate; 5. a base; 6. a damper housing; 7. an inner housing of the damper; 8. a positioning pin; 9. positioning holes; 10. a hydraulic vibration damping rod; 11. a spring; 12. a rubber layer; 13. a fixing bolt; 14. a bolt washer; 15. a damper top plate; 16. a damper base plate; 17. a movable groove; 18. a vibration damping cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a low noise dry power transformer technical scheme: including cabinet body 1, open on cabinet body 1 back wall top has a plurality of louvres 2, cabinet body 1 inner bottom fixed mounting has three base 5, and is three a plurality of shock absorber shell 6 are all installed on base 5 top, shock absorber shell 6 diapire face is equipped with shock absorber bottom plate 16, shock absorber bottom plate 16 with adopt fixing bolt 13 to carry out fixed connection between the base 5, be equipped with movable groove 17 in the shock absorber shell 6, evenly be equipped with two pairs of locating pins 8 around shock absorber shell 6 inner wall face, movable groove 17 interpolation is equipped with shock absorber inner shell 7, shock absorber inner shell 7 outer wall face just is located around locating pin 8 department all opens locating hole 9, two pairs of locating pin 8 respectively cartridge install in corresponding in locating hole 9, open in the shock absorber inner shell 7 has damping chamber 18, install spring 11 in the damping chamber 18, be equipped with hydraulic pressure pole 10 in the spring 11, hydraulic pressure pole 10 fixed mounting and the roof face of damping chamber 18, the bottom plate 17 is equipped with in the movable groove 7 is equipped with in the shock absorber bottom plate 12, the shock absorber rubber layer 4 is installed to the bottom plate 15 in the movable groove 7 the shock absorber rubber layer is installed to the bottom plate 15.
Further, the top of the spring 11 is fixedly mounted on the top wall surface of the damping cavity 18, and the bottom of the spring 11 is fixedly mounted on the bottom wall surface of the movable groove 17, so that the pressure of the hydraulic damping rod is relieved.
Further, a bolt washer 14 is installed between the nut of the fixing bolt 13 and the damper top plate 15 or the damper bottom plate 16 to reduce vibration
Further, an insulating sound absorption layer is arranged on the inner wall surface of the cabinet body 1, so that noise is reduced.
Further, a certain gap is provided between the bottom wall surface of the inner housing 7 of the damper and the bottom wall surface of the movable slot 17.
Further, the spring 11 adopts a spring steel structure.
Further, the rubber layer 12 and the bolt washer 14 are both made of hard rubber.
Examples: when the device is used, the vibration damper is fixedly arranged between the transformer bottom plate 4 and the base 5, the dry type transformer is fixedly arranged on the transformer bottom plate 4, when the dry type transformer operates, the alternating magnetic field of the dry type transformer generates periodical alternating acting force on the iron core and the coil to cause the vibration of the installed bottom plate to generate noise, when the transformer and the bottom plate vibrate, the vibration is transmitted to the vibration damper top plate 15 through the transformer bottom plate 4 or the fixed bolt 13, the vibration damper top plate 15 is transmitted to the vibration damper inner shell 7, the vibration damper inner shell 7 vibrates in the movable groove 17, the hydraulic vibration damper rod 10 and the spring 11 are arranged in the movable groove 17 and the vibration damper cavity 18, the hydraulic vibration damper rod 10 can greatly reduce the vibration intensity under the internal hydraulic action, the spring 11 assists the hydraulic vibration damper rod 10 to operate, after the vibration of the device is reduced, the noise generated by the vibration can be weakened, and the inner wall surface of the cabinet body 1 is provided with the insulating sound absorbing layer, and the noise generated by other reasons can be effectively reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (7)
1. The utility model provides a low noise dry-type power transformer, includes cabinet body (1), its characterized in that, a plurality of louvres (2) are opened on cabinet body (1) back wall top, three base (5) are all installed to cabinet body (1) inner bottom fixed mounting, three shock absorber shell (6) are all installed on base (5) top, shock absorber shell (6) diapire face is equipped with shock absorber bottom plate (16), shock absorber bottom plate (16) with adopt fixing bolt (13) to carry out fixed connection between base (5), be equipped with movable groove (17) in shock absorber shell (6), shock absorber shell (6) inner wall face evenly is equipped with two pairs of locating pins (8) all around, shock absorber inner shell (7) outer wall face all around and be located locating pin (8) department all open locating hole (9), two pairs of locating pin (8) are respectively cartridge in corresponding locating hole (9), shock absorber inner shell (7) inner shell (18) are equipped with movable groove (17), shock absorber inner wall (6) inner wall (7) inner wall face (7) all are equipped with shock absorber rod (18), shock absorber inner wall (10) are equipped with shock absorber rod (10), the bottom end fixed mounting of hydraulic damping pole (10) in the diapire face of movable groove (17), shock absorber roof (15) are installed at shock absorber inner shell (7) top, rubber layer (12) are installed at shock absorber roof (15) top, transformer bottom plate (4) are installed at rubber layer (12) top, shock absorber roof (15) rubber layer (12) with adopt between transformer bottom plate (4) fixing bolt (13) are connected, fixed mounting has dry-type transformer (3) on transformer bottom plate (4).
2. A low noise dry power transformer according to claim 1, wherein the top of the spring (11) is fixedly mounted on the top wall surface of the vibration damping cavity (18), and the bottom of the spring (11) is fixedly mounted on the bottom wall surface of the movable groove (17).
3. A low noise dry power transformer according to claim 1, characterized in that a bolt washer (14) is mounted between the nut of the fixing bolt (13) and the damper top plate (15) or the damper bottom plate (16).
4. A low noise dry power transformer according to claim 1, characterized in that the inner wall surface of the cabinet (1) is provided with an insulating sound absorbing layer.
5. A low noise dry power transformer according to claim 1, characterized in that a certain gap is provided between the bottom wall surface of the damper inner case (7) and the bottom wall surface of the movable groove (17).
6. A low noise dry power transformer according to claim 1, characterized in that the springs (11) are of spring steel construction.
7. A low noise dry power transformer according to claim 3, characterized in that the rubber layer (12) and the bolt washer (14) are both of a hard rubber construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925318.5U CN220138096U (en) | 2023-04-23 | 2023-04-23 | Low-noise dry-type power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925318.5U CN220138096U (en) | 2023-04-23 | 2023-04-23 | Low-noise dry-type power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138096U true CN220138096U (en) | 2023-12-05 |
Family
ID=88959078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320925318.5U Active CN220138096U (en) | 2023-04-23 | 2023-04-23 | Low-noise dry-type power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138096U (en) |
-
2023
- 2023-04-23 CN CN202320925318.5U patent/CN220138096U/en active Active
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