CN206480491U - A kind of noise reducing type amorphous alloy dry-type transformer - Google Patents
A kind of noise reducing type amorphous alloy dry-type transformer Download PDFInfo
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- CN206480491U CN206480491U CN201720153284.7U CN201720153284U CN206480491U CN 206480491 U CN206480491 U CN 206480491U CN 201720153284 U CN201720153284 U CN 201720153284U CN 206480491 U CN206480491 U CN 206480491U
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Abstract
The utility model provides a kind of noise reducing type amorphous alloy transformer, and amorphous alloy transformer includes non-crystaline amorphous metal, coil, folder, transformer framework and transformer-cabinet；Coil, which is sheathed in iron core, transformer, also includes denoising device, and denoising device includes reinforcement and damping device；Damping device is divided into the first damping device and the second damping device, first damping device is at the top of upper clamping piece, second damping device is located between transformer framework bottom and transformer-cabinet, first damping device is at the top of upper clamping piece, and the first damping device is respectively arranged at the top of the upper clamping piece of coil windings front and rear sides.Denoising device by reinforcement and the multiple damping of damping device, transmit to greatest extent by the upper vibration weakened between non-crystaline amorphous metal and transformer-cabinet in the utility model, weaken transformer framework vibration reduction noise to produce, damping device assembling simultaneously is simple, does not increase the assembling intensity of technical staff.
Description
Technical field
The utility model is related to technical field of transformer equipment, more particularly to a kind of noise reducing type amorphous alloy dry-type transformation
Device.
Background technology
With the fast development of electric power network, dry-type transformer is relatively conventional electric energy transfer device in electric power network,
When transformer is used in wet condition for a long time, the insulating properties of transformer interior loop winding can decline, and to a certain extent can
Stability in use and safety in utilization are influenceed, while transformer can operationally produce vibrations, it can produce certain to environment
Pollution, while vibrations can also influence the service life of transformer to transformer for a long time, applicability and practicality are restricted, transformation
Device vibrates the adverse effect to surrounding environment with noise, it is therefore desirable to be correspondingly improved on transformer direction of vibration.
Such as Chinese patent CN203013483U discloses a kind of efficient squelch type amorphous dry-type transformer, transformer master
Will include high-tension coil, low-voltage coil, amorphous alloy iron core, iron-core draw-board, coil insulation briquetting, iron core folder, silicon rubber into
Type part and transformer base, it is characterised in that with silicon rubber formed part width to branch between the high-tension coil and low-voltage coil
Support positioning, the high-tension coil, low-voltage coil carry out axial compression by coil insulation briquetting and are set on amorphous alloy iron core,
The amorphous alloy iron core is cemented on iron-core draw-board by epoxy resin makes an entirety, and the iron core folder passes through
Fixing device is mounted on transformer base.Utility model increase transformer bears width to electrodynamic ability, eliminates
The transformer load noise as caused by operating current, and improve amorphous alloy epoxy dry type transformation in normal operation
The reliability and security of device, but this using it is new it is middle using silicon rubber formed part width to support position, its resistance to shock compared with
It is weak, therefore its anti-acoustic capability is faint in high load situations.In another example Chinese patent CN205069310U utility models are disclosed
A kind of noise reducing type amorphous alloy dry-type transformer, including amorphous core, coil and folder, the amorphous core include upper yoke,
Lower yoke and the core limb being arranged between the upper yoke and lower yoke, the coil are socketed in the iron core of the amorphous core
On post, the folder is in the body structure of inner hollow, and the amorphous core and coil are located in the folder, in amorphous core
Filled polymer expanded material between folder and between amorphous core and coil, using the buffering of polymeric foamable material,
The vibration that transformer body accordingly occurs by the electric power that coil is produced can be effectively reduced, and can effectively be avoided non-
Peritectic alloy dry-type transformer causes open circuit loss increase and the generation of iron core chips because of the extra-stress that vibration is produced, while can be with
The corresponding noise for reducing transformer；The utility model uses polymeric foamable material to carry out the buffering between iron core and folder to subtract
Weak vibration transmission, but the bolster generally has the physical property decision of expanded material, the bolster so largely limited
Buffer capacity, the resistance to shock of the bolster is unsatisfactory under high capacity or high-power transformer.
The content of the invention
To overcome the problem of resistance to shock is low present in prior art, the utility model provides a kind of noise reducing type amorphous
Alloy dry-type transformer.
The utility model provides a kind of noise reducing type amorphous alloy dry-type transformer, the amorphous alloy dry-type transformer bag
Include non-crystaline amorphous metal, coil, folder, transformer framework and transformer-cabinet；Transformer framework is located in transformer tank body, transformer
The overall amorphous alloy dry-type transformer of framework support；Non-crystaline amorphous metal includes upper yoke, lower yoke and is arranged on upper yoke and lower iron
Iron core column between yoke, coil is sheathed on iron core column, and folder is divided into upper clamping piece, lower clamping piece and side folder, and upper clamping piece is fixed on
Above iron yoke, lower clamping piece is fixed on below lower yoke, and side folder is located at the non-crystaline amorphous metal left and right sides, it is characterised in that：It is described to become
Also include denoising device in depressor, the denoising device includes reinforcement and damping device；The reinforcement is located at transformer
Upper clamping piece and side folder are connected as overall structure by upper clamping piece side wall, reinforcement；Transformer bottom and transformer top are respectively mounted
There is damping device；The damping device is divided into the first damping device and the second damping device, and first damping device is located at upper
At the top of folder；Second damping device is located between transformer framework bottom and transformer-cabinet, first damping device
At the top of upper clamping piece, the first damping device is respectively arranged at the top of the upper clamping piece of coil windings front and rear sides.In the utility model
Denoising device by reinforcement and damping device carry out multiple damping to greatest extent it is upper weaken non-crystaline amorphous metal and transformer-cabinet it
Between vibration transmission, so as to weaken transformer framework vibration, the generation of noise is reduced, while damping device assembling is simple, no
Increase the assembling intensity of technical staff.
Further, first damping device is made up of clamping apparatus, buffer layer and beam, and clamping apparatus, which is fixed, to be connected
Connect the first damping device and at the top of upper clamping piece, buffer layer is located between clamping apparatus and beam.
Further, the clamping apparatus is divided into preceding card adapter plate, middle card adapter plate and rear card adapter plate, preceding card adapter plate, centre
The front and rear sides of upper clamping piece are connected at card adapter plate and rear card adapter plate three composition U-shaped card fishplate bar, the opening of the clamping apparatus
Wall.Reinforcement and the first damping device are provided with the top of upper clamping piece, the vibration between upper clamping piece and transformer-cabinet is effectively blocked
Transmission, while the first damping device is fixed using clamping apparatus, assembling is simple, installation time is short.
Further, clamping apparatus is additionally provided with card article, and card article is located at preceding card adapter plate inwall and towards upper clamping piece front side wall, blocked
Bar towards the side of upper clamping piece front side wall be arc-shaped surface.
Further, the buffer layer is located at the middle position at the top of middle card adapter plate, the buffer layer by spring and
Damping piece is constituted, and spring housing is outside damping piece, and buffer layer whole height is controlled between 45-50mm.
Further, the buffer layer whole height control is in 45mm.Buffer layer whole height is in the utility model
45mm, when buffer layer excessive height, its damping effect is unsatisfactory, while in use too high buffer layer by
Also easily occurs tilt problem during radially outward force, its mechanical strength is inadequate；And when damping layer height is too low, its cushioning effect is micro-
It is weak, it is impossible to obtain preferable damping effect；Buffer layer whole height uses 45mm by the optimal damping of buffer layer in the present embodiment
Effect embodies, while effectively prevent the tilt phenomenon that buffer layer occurs in the course of the work, increases mechanical strength.
Further, second damping device includes bottom plate and lower damper, and the bottom plate is located at transformation
Device base of frame, is connected between bottom plate and transformer-cabinet bottom by lower damper.
Further, the lower damper includes at the top of connecting rod and stage clip, the stage clip connection connecting rod and damping chamber
Top；The connecting rod is in be connected at the top of I-shaped connecting rod, the connecting rod by fixture with lower clamping piece, at the top of connecting rod
Positioned at damping intracavitary portion.
Further, the rectangular groove of damping chamber, damping intracavitary sets damper.
Further, the lower damper is in lower clamping piece bottom quantity N >=3.
Compared with prior art, the beneficial effects of the utility model are：
(1) denoising device carries out multiple damping upper decrease to greatest extent by reinforcement and damping device in the utility model
Vibration transmission between non-crystaline amorphous metal and transformer-cabinet, so as to weaken transformer framework vibration, reduces the generation of noise, has
Effect improves the resistance to shock of denoising device；Damping device assembling simultaneously is simple, does not increase the assembling intensity of technical staff.
(2) reinforcement and the first damping device are provided with the utility model at the top of upper clamping piece, effectively block upper clamping piece with
Vibration transmission between transformer-cabinet, is connected as overall structure, so as to enhance by reinforcement by upper clamping piece and side folder
The mechanical strength of upper clamping piece and side folder, weaken vibration frequency that upper clamping piece and side folder produced by non-crystaline amorphous metal electric power and
Amplitude.
(3) the first damping device is fixed using clamping apparatus in the utility model, and assembling is simple, installation time is short.
(4) buffer layer whole height is 45mm in the utility model, and when buffer layer excessive height, its damping effect is not
Ideal, while also easily there is tilt problem when by radially outward force in too high buffer layer in use, its mechanical strength
Not enough；And when damping layer height is too low, its cushioning effect is faint, it is impossible to obtain preferable damping effect；Subtract in the present embodiment
Shake layer whole height to embody the optimal cushioning effect of buffer layer using 45mm, while effectively prevent buffer layer in the course of work
The tilt phenomenon of middle appearance, increases mechanical strength.
Brief description of the drawings
Fig. 1 is amorphous alloy transformer overall schematic；
Fig. 2 is reinforcement and the first damping device connection diagram；
Fig. 3 is the first damping device structural representation；
Fig. 4 is bottom plate schematic bottom view；
Fig. 5 is lower damper schematic diagram；
Fig. 6 is connecting rod schematic top plan view.
Marked with reference to accompanying drawing thereon：
1- transformer frameworks, 2- upper clamping pieces, 3- sides folder, 4- bottom plates, 41- damping chambers, 42- rubber blankets, 43- rollings
Wheel, 44- connecting rods, 45- stage clips, 5- transformer-cabinets, 6- lower clamping pieces, the damping devices of 7- first, 711- beams, 712- bullets
Spring, 713- damping pieces, 714- clamping apparatus, 8- reinforcements.
Embodiment
Below in conjunction with drawings and examples, the utility model is further elaborated.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the utility model, is not used to limit the utility model.
Present embodiments provide for a kind of noise reducing type amorphous alloy dry-type transformer, the dry-type transformer is subtracted using multiple
The upper vibration weakened between non-crystaline amorphous metal and transformer-cabinet is transmitted to greatest extent for shake, so as to weaken transformer framework vibration, drop
The low generation of noise, effectively increases the resistance to shock of denoising device；Damping device assembling simultaneously is simple, does not increase technology people
The assembling intensity of member.As shown in figure 1, the amorphous alloy dry-type transformer includes non-crystaline amorphous metal, coil, folder, transformer frame
Frame 1 and transformer-cabinet 5；Amorphous alloy dry-type transformer is located at transformer using three five-limb transformers, transformer framework 1
In casing 5, transformer framework 1 supports overall amorphous alloy dry-type transformer；Non-crystaline amorphous metal includes upper yoke, lower yoke and setting
Iron core column between upper yoke and lower yoke, coil is sheathed on iron core column, and non-crystaline amorphous metal is clamped by folder, and folder is divided into
Folder 2, lower clamping piece 6 and side folder 3, upper clamping piece 2 are fixed on above upper yoke by nail pressing and rubber, lower clamping piece 6 again by
Nail pressing and rubber are fixed on below lower yoke surely, and non-crystaline amorphous metal is fixed on axis of winding direction；Side folder 3 is located at non-crystaline amorphous metal
The left and right sides, the winding vertical direction to transformer is reinforced；To reduce in the anti-acoustic capability of transformer, the transformer also
Including denoising device, the denoising device includes reinforcement 8 and damping device, and the reinforcement 8 is located at the upper clamping piece 2 of transformer
Upper clamping piece 2 and side folder 3 are connected as entirety by side wall, reinforcement 8 using criss-crossing reinforcing ribs and without shirt rim by reinforcement 8
Structure, so as to enhance the mechanical strength of upper clamping piece 2 and side folder 3, weakens upper clamping piece 2 with side folder 3 by non-crystaline amorphous metal electricity
Vibration frequency and amplitude that power is produced；The damping device is divided into the first damping device 7 and the second damping device, described first
Damping device 7 located at the top of upper clamping piece 2, second damping device located at the bottom of transformer framework 1 and transformer-cabinet 5 it
Between, the vibration that can be weakened by damping device between transformer framework 1 and transformer-cabinet 5 is transmitted.The height of upper clamping piece 2 is big
In upper yoke height, the top of upper clamping piece 2 is at the top of upper yoke, and the side wall of upper clamping piece 2 is to upper yoke, in the side wall of upper clamping piece 2
Center position beyond upper yoke part is provided with through hole a；The height of side folder 3 is more than iron core column height, the wherein top of side folder 3
Beyond upper yoke height, the side wall of side folder 3 is opened to upper yoke, center position of the side wall of side folder 3 beyond upper yoke part
Have to be fixed in through hole b, the vertical direction of the criss-crossing reinforcing ribs in through hole a, criss-crossing reinforcing ribs horizontal direction and be fixed on
Through hole b, criss-crossing reinforcing ribs are provided with rubber with upper clamping piece 2 or the contact portion of side folder 3, further reduce vibration transmission；Pass through
The vibration of arrangement of the criss-crossing reinforcing ribs structure on upper clamping piece 2, effectively reduction the transformer upper clamping piece 2 in unloaded or load.
Because upper clamping piece 2 by vibration by reaching transformer framework 1 in the generation of noise, transformer framework 1 produces vibration and forms noise；
Therefore the decrease vibrated by upper clamping piece 2, reduces vibration and reaches transformer framework 1, vibrated so as to weaken transformer framework 1,
Reduce the generation of noise.
Pressed from both sides because under no-load transformer or load running, the upper clamping piece 2 of transformer is present in larger vibration, therefore reduction
Transmission is vibrated between part 2 and transformer framework 1 to be effectively suppressed.As shown in Fig. 2 first damping device 7 is located at upper
The top of folder 2, the first damping device 7 is respectively arranged on the top of upper clamping piece 2 of coil windings front and rear sides；As shown in figure 3, described
One damping device 7 is made up of clamping apparatus 714, buffer layer and beam 711, and clamping apparatus 714 is fixedly connected with the first damping dress
7 and the top of upper clamping piece 2 are put, buffer layer is located between clamping apparatus 714 and beam 711；714 points of the clamping apparatus is preceding card
Fishplate bar, middle card adapter plate and rear card adapter plate, preceding card adapter plate, middle card adapter plate and rear card adapter plate three composition U-shaped card fishplate bar are described
The front and rear sides wall of upper clamping piece 2 is connected at the opening of clamping apparatus 714, now preceding card adapter plate is located at the front side wall of upper clamping piece 2
Outside；Clamping apparatus 714 is additionally provided with card article, and card article is located at preceding card adapter plate inwall and towards the front side wall of upper clamping piece 2, and card article is towards upper
The side of the front side wall of folder 2 is arc-shaped surface；When clamping apparatus 714 is connected in upper clamping piece 2, card article is located at the front side of upper clamping piece 2
The underface of wall, clamping apparatus 714 ensures the fixation on axial direction by card article；The buffer layer is located at middle card adapter plate top
The middle position in portion, the buffer layer is made up of spring 712 and damping piece 713, and spring 712 is sheathed on outside damping piece 713,
Now buffer layer whole height control is between 45-50mm, it is preferred that buffer layer whole height is 45mm, and main cause is：When
During buffer layer excessive height, its damping effect is unsatisfactory, while too high buffer layer is outside by footpath in use
Also easily occurs tilt problem during power, its mechanical strength is inadequate；And when damping layer height is too low, its cushioning effect is faint, it is impossible to
Obtain preferable damping effect；Buffer layer whole height uses 45mm by the optimal cushioning effect body of buffer layer in the present embodiment
It is existing, while effectively prevent the tilt phenomenon that buffer layer occurs in the course of the work, increase mechanical strength；Beam 711 is placed in
At the top of buffer layer, beam 711 is made of rubber, and the base plane size of beam 711 is more than the diameter of spring 712.The
One damping device 7 is acted on using dual shock absorption, and the vibration weakened to greatest extent between upper clamping piece 2 and transformer framework 1 is transmitted；
Simultaneously the first damping device 7 its fixed on upper clamping piece 2 using clamping apparatus 714, assembling simply, installation time it is short, do not increase
The assembly difficulty of technical staff.
As present embodiment it is further preferred that the bottom of the transformer framework 1 subtracts with transformer-cabinet 5 by second
Device connection is shaken, second damping device includes bottom plate 4 and lower damper, and the bottom plate 4 is located at transformer frame
The bottom of frame 1, is connected between bottom plate 4 and the bottom of transformer-cabinet 5 by lower damper；As shown in figure 4, on bottom plate 4
Provided with damping chamber 41, damper is set in damping chamber 41, the lower damper is in bottom quantity N >=3 of lower clamping piece 6, and transformer
All the time damper under lower damper, the lower damper opposite central of residue is provided with the lower center position of framework 1 to be centrosymmetric point
Cloth, the lower damper distribution sets the efficient cushioning effect that ensure that the second damping device；Lower damper is becoming in the present embodiment
The bottom quantity of depressor framework 1 is 5, and the lower damper quantity, which is chosen, ensure that the optimal cushioning effect of the second damping device and minimum
The optimal comprehensive matching of production cost.As shown in Figure 5 and Figure 6, the lower damper includes connecting rod 44 and stage clip 45, the pressure
The top of the connection of spring 45 connecting rod 44 and the top of damping chamber 41；The connecting rod 44 is in I-shaped connecting rod, the bottom of connecting rod 44
Portion is connected by fixture with the bottom of transformer-cabinet 5, and the top of connecting rod 44 is located inside damping chamber 41, and the damping chamber 41 is in
Rectangular channel, rectangular channel right angle is with arc transition, and four sides of the top of connecting rod 44 are the arcwall face of identical radian measure, the arc
Facing to the top center of connecting rod 44；The right angle of damping chamber 41, which has, is provided with roller 43 in chute I, chute I；Institute
State the relative square position of damping chamber 41 at the top corner of connecting rod 44 and be provided with relative chute II, the chute II is arc surface,
The chute II circular arcs radius surface is more than or equal to the radius of roller 43, and chute II is slided up and down by roller 43 with respect to chute II, even
The top thickness of extension bar 44 is more than or equal to 4 times of the radius of roller 43, it is ensured that the top-side of connecting rod 44 is in contact with roller 43 all the time；
The side wall of damping chamber 41 is provided with rubber blanket 42, and the both sides of rubber blanket 42 are pushed up with the side wall of damping chamber 41, connecting rod 44 respectively
Portion's arcwall face contact；The damping chamber 41 and the top of connecting rod 44 by sliding relatively between chute I, roller 43 and chute II three
It is dynamic, it is ensured that to be in and be in rolling contact all the time between damping chamber 41 and the top of connecting rod 44, it is ensured that connecting rod 44 is in damping chamber 41
Slide up and down and possess low friction, while again due to the sidewall rubber pad 42 of damping chamber 41, effectively prevent non-crystaline amorphous metal vibration and pass through
Connecting rod 44 contacts transmission with the side wall of damping chamber 41；The stage clip 45 is in positive angular distribution at the top of damping chamber 41, and stage clip 45 is high
Degree is at least the 1/2 of the height of damping chamber 41；The bottom surface of bottom plate 4 is connected with transformer base by beam 711, is passed through
Dual vibration isolation is obtained on the setting of stage clip 45 and beam 711, transformer axial direction, transformer axial direction is effectively reduced
Upper mechanical oscillation, are effectively reduced adverse effect of the transformer vibration and noise to surrounding environment.
Preferred embodiment of the present utility model has shown and described in described above, as previously described, it should be understood that this practicality is new
Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various other groups
Close, change and environment, and above-mentioned teaching or the technology of association area can be passed through in utility model contemplated scope described herein
Or knowledge is modified.And the change and change that those skilled in the art are carried out do not depart from spirit and scope of the present utility model, then
All should be in the protection domain of the utility model appended claims.
Claims (10)
1. a kind of noise reducing type amorphous alloy dry-type transformer, the amorphous alloy dry-type transformer includes non-crystaline amorphous metal, coil, folder
Part, transformer framework (1) and transformer-cabinet (5)；Transformer framework (1) is located in transformer-cabinet (5), transformer framework
(1) overall amorphous alloy dry-type transformer is supported；Non-crystaline amorphous metal includes upper yoke, lower yoke and is arranged on upper yoke and lower yoke
Between iron core column, coil is sheathed on iron core column, and folder is divided into upper clamping piece (2), lower clamping piece (6) and side folder (3), upper clamping piece
(2) it is fixed on above upper yoke, lower clamping piece (6) is fixed on below lower yoke, side folder (3) is located at the non-crystaline amorphous metal left and right sides,
It is characterized in that：Also include denoising device in the transformer, the denoising device includes reinforcement (8) and damping device；Institute
Upper clamping piece (2) side wall that reinforcement (8) is located at transformer is stated, upper clamping piece (2) and side folder (3) are connected as whole by reinforcement (8)
Body structure；Transformer bottom and transformer top are mounted on damping device；The damping device is divided into the first damping device (7)
With the second damping device, first damping device (7) is at the top of upper clamping piece (2)；Second damping device is located at transformation
Between device framework (1) bottom and transformer-cabinet (5), first damping device (7) is at the top of upper clamping piece (2), and first subtracts
Shake device (7) is respectively arranged at the top of the upper clamping piece (2) of coil windings front and rear sides.
2. noise reducing type amorphous alloy dry-type transformer according to claim 1, it is characterised in that：First damping device
(7) it is made up of clamping apparatus (714), buffer layer and beam (711), clamping apparatus (714) is fixedly connected with the first damping device
(7) with upper clamping piece (2) top, buffer layer is located between clamping apparatus (714) and beam (711).
3. noise reducing type amorphous alloy dry-type transformer according to claim 2, it is characterised in that：The clamping apparatus
(714) it is divided into preceding card adapter plate, middle card adapter plate and rear card adapter plate, preceding card adapter plate, middle card adapter plate and rear card adapter plate three composition U
The front and rear sides wall of upper clamping piece (2) is connected at type card adapter plate, the opening of the clamping apparatus (714).
4. noise reducing type amorphous alloy dry-type transformer according to claim 3, it is characterised in that：Clamping apparatus (714) is also
Provided with card article, card article is located at preceding card adapter plate inwall and towards upper clamping piece (2) front side wall, and card article is towards upper clamping piece (2) front side wall
Side is arc-shaped surface.
5. noise reducing type amorphous alloy dry-type transformer according to claim 2, it is characterised in that：During the buffer layer is located at
Between middle position at the top of card adapter plate, the buffer layer is made up of spring (712) and damping piece (713), and spring (712) is arranged
Outside in damping piece (713), buffer layer whole height is controlled between 45-50mm.
6. noise reducing type amorphous alloy dry-type transformer according to claim 5, it is characterised in that：The buffer layer is overall high
Degree control is in 45mm.
7. noise reducing type amorphous alloy dry-type transformer according to claim 1, it is characterised in that：Second damping device
Including bottom plate (4) and lower damper, the bottom plate (4) is located at transformer framework (1) bottom, bottom plate (4) with
Connected between transformer-cabinet (5) bottom by lower damper.
8. noise reducing type amorphous alloy dry-type transformer according to claim 7, it is characterised in that：The lower damper includes
With damping chamber (41) top at the top of connecting rod (44) and stage clip (45), stage clip (45) the connection connecting rod (44)；The connection
Bar (44) is in be connected at the top of I-shaped connecting rod, the connecting rod (44) by fixture with lower clamping piece (6), connecting rod (44) top
It is internal that portion is located at damping chamber (41).
9. noise reducing type amorphous alloy dry-type transformer according to claim 8, it is characterised in that：The damping chamber (41) is in
Damper is set in rectangular channel, damping chamber (41).
10. noise reducing type amorphous alloy dry-type transformer according to claim 8, it is characterised in that：The lower damper exists
Lower clamping piece (6) bottom quantity N >=3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153284.7U CN206480491U (en) | 2017-02-21 | 2017-02-21 | A kind of noise reducing type amorphous alloy dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153284.7U CN206480491U (en) | 2017-02-21 | 2017-02-21 | A kind of noise reducing type amorphous alloy dry-type transformer |
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| Publication Number | Publication Date |
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| CN206480491U true CN206480491U (en) | 2017-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720153284.7U Expired - Fee Related CN206480491U (en) | 2017-02-21 | 2017-02-21 | A kind of noise reducing type amorphous alloy dry-type transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710841A (en) * | 2017-02-21 | 2017-05-24 | 江苏东晔电气设备有限公司 | Noise reduction type amorphous alloy dry type transformer |
| CN108711495A (en) * | 2018-06-20 | 2018-10-26 | 河南森源电气股份有限公司 | A kind of electrical equipment and its damping compression spring unit |
-
2017
- 2017-02-21 CN CN201720153284.7U patent/CN206480491U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710841A (en) * | 2017-02-21 | 2017-05-24 | 江苏东晔电气设备有限公司 | Noise reduction type amorphous alloy dry type transformer |
| CN108711495A (en) * | 2018-06-20 | 2018-10-26 | 河南森源电气股份有限公司 | A kind of electrical equipment and its damping compression spring unit |
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Granted publication date: 20170908 Termination date: 20180221 |