CN208173374U - Phase-shifting rectifier transformer and intersection heat dissipation wind channel structure - Google Patents
Phase-shifting rectifier transformer and intersection heat dissipation wind channel structure Download PDFInfo
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- CN208173374U CN208173374U CN201820053379.6U CN201820053379U CN208173374U CN 208173374 U CN208173374 U CN 208173374U CN 201820053379 U CN201820053379 U CN 201820053379U CN 208173374 U CN208173374 U CN 208173374U
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Abstract
The utility model provides a kind of phase-shifting rectifier transformer and intersects heat dissipation wind channel structure, and the phase-shifting rectifier transformer includes cabinet body, iron core, the high-tension coil being wound around on the outside of first sleeve, the low-voltage coil being wound around on the outside of second sleeve, the first air-duct clapboard and the second air-duct clapboard；First air-duct clapboard is equipped with the first aperture and third aperture；There is the second aperture and the 4th aperture on second air-duct clapboard；First air-duct clapboard is close to the top setting of the second sleeve, and the first aperture described in the top opening face of the second sleeve；Second air-duct clapboard is close to the bottom setting of the second sleeve, and the second aperture described in the bottom opening face of the second sleeve；The 4th aperture in third aperture and the second air-duct clapboard on first air-duct clapboard is located at the two sides of low-voltage coil.The utility model is low-voltage coil heat dissipation by independent air duct, substantially increases the radiating efficiency of low-voltage coil.
Description
Technical field
The utility model relates to field of radiating, more specifically to a kind of phase-shifting transformer and intersect heat dissipation wind channel knot
Structure.
Background technique
In the widely applied high power load of the industries such as metallurgy, chemical industry, electric power, municipal water supply and mining, consume a large amount of
Electric energy, such as the electricity charge even account for the 50% of water producing cost in waterworks.With the development and automation of market economy, intelligence
The raising of change degree carries out speed control to high power load using high-voltage frequency converter, not only to improvement technique, raising product matter
Amount is beneficial, and realizes energy saving (energy conservation having is up to 30%-40%), considerably reduces production cost, can also extend
Service life of equipment.Phase-shifting rectifier transformer is the important component of high-voltage frequency converter, has the characteristics that calorific value is big.For
Guarantee phase-shifting rectifier transformer steady operation, relies primarily on wind and heat is taken away.
It is the schematic diagram of the radiator structure of existing phase-shifting rectifier transformer as shown in FIG. 1 to FIG. 2, in the radiator structure,
Iron core 11 with coil 12 is placed in cabinet body 10, is equipped with crossflow fan 14 in 11 bottom of iron core, is set at 12 top 1/3 of coil
There is horizontal wind deflector 13 (or adding one piece of horizontal wind deflector again at 2/3), the top of cabinet body 10 is equipped with top blower 15.Its
Coil 12 includes high-tension coil 121 and low-voltage coil 122, and the high-tension coil 121 is wound around the (iron core of iron core air duct drum 16
Air duct drum 16 is placed in the iron core column of iron core 11) on the first coil stay 17 of periphery；Low-voltage coil 122 is then wound around high-voltage line
It encloses on second coil stay 19 of air duct drum 18 (outside that the high-tension coil air duct drum 18 is placed on high-tension coil 121) periphery.
When phase-shifting rectifier transformer operates normally, the crossflow fan 14 of bottom is toward iron core 11 and the internal drum of coil 12
Wind, and gap, iron core air duct drum by 15 exhausting of top blower, between high-pressure blast coil road cylinder 18 and iron core air duct drum 16
The wind of gap flowing between 16 and the iron core column 111 of iron core 11 takes away the heat of high-tension coil 121 and iron core.For low
Crimping circle 122, speedup that heat dissipation then relies primarily on top 15 exhausting of blower, horizontal wind deflector 13 shuts off and crossflow fan stream
To realize.
However, the air quantity utilization rate of the radiator structure of above-mentioned phase-shifting rectifier transformer is not high, there is temperature in high-tension coil 121
Degree cascade, for low-voltage coil 122 since the air channel structure of horizontal wind deflector 13 is excessively extensive, wind speed is extremely uneven.This air duct knot
Structure usually requires to increase coil line footpath to reduce thermal power densities, and is added using biggish top blower 15 and crossflow fan 14
Strong convection heat exchange, to achieve the purpose that accelerate heat dissipation, so that the at high cost of phase-shifting rectifier transformer, volume are big, noise is big.
Utility model content
The technical problem to be solved by the present invention is to for the air quantity of the radiator structure of above-mentioned phase-shifting rectifier transformer
The not high problem of utilization rate provides a kind of phase-shifting transformer and intersects heat dissipation wind channel structure.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of phase-shifting rectifier transformer, including cabinet
Body, iron core, first sleeve, the high-tension coil being wound around on the outside of the first sleeve, second sleeve and it is wound around described second
Low-voltage coil on the outside of sleeve, and the first sleeve be placed on the iron core iron core column is outer, the second sleeve be placed on it is described
Outside high-tension coil, which is characterized in that the phase-shifting rectifier transformer further includes the first air-duct clapboard and the second air-duct clapboard；It is described
First air-duct clapboard is equipped with the first aperture and third aperture, and the size of the size of first aperture and the second sleeve
Matching；There is the second aperture and the 4th aperture, and the size of second aperture and described second on second air-duct clapboard
The size of sleeve matches；First air-duct clapboard is close to the top setting of the second sleeve, and the top of the second sleeve
First aperture described in portion's opening face；Second air-duct clapboard is close to the bottom setting of the second sleeve, and described second
Second aperture described in the bottom opening face of sleeve；Second side of third aperture and the cabinet body on first air-duct clapboard
Plate is disposed adjacent, and the 4th aperture on second air-duct clapboard is disposed adjacent with the first side plate of the cabinet body, and described
Side plate and the second side plate are opposite.
In phase-shifting rectifier transformer described in the utility model, the phase-shifting rectifier transformer includes two sides air duct
Partition, and the top and bottom of each side air-duct clapboard are connected with the first air-duct clapboard and the second air-duct clapboard respectively, institute
Two side air-duct clapboards are stated to connect with the second side plate of cabinet respectively.
In phase-shifting rectifier transformer described in the utility model, the phase-shifting rectifier transformer further includes 3rd sleeve,
And the 3rd sleeve is placed on outside the low-voltage coil；There is the air inlet and air outlet being axially arranged in the 3rd sleeve,
And the first side plate of cabinet body described in the air inlet face, the second side plate of cabinet body described in the air outlet face.
In phase-shifting rectifier transformer described in the utility model, the top of the 3rd sleeve and first air duct every
Plate connection, and the bottom of the 3rd sleeve is connect with second air-duct clapboard；Described two side air-duct clapboards respectively with
Adjacent 3rd sleeve is connected, and the air outlet of the 3rd sleeve is between described two side air-duct clapboards.
In phase-shifting rectifier transformer described in the utility model, the iron core includes multiple being arranged in parallel and linearly arranging
The iron core column of column, and there is the first sleeve, high-tension coil, second sleeve, low-voltage coil in each iron core column；It is described
First air-duct clapboard is equipped with multiple the first apertures being arranged in a linear；Second air-duct clapboard is equipped with multiple linear rows
Second aperture of column.
In phase-shifting rectifier transformer described in the utility model, the low-voltage coil respectively includes multiple line cakes, and phase
There is gap between adjacent line cake；The periphery of the second sleeve has evenly distributed axial stay, the low-voltage coil winding
There is through-hole on the axial stay, and on the axial stay.
In phase-shifting rectifier transformer described in the utility model, first air-duct clapboard is spliced by two the first daughter boards
It forms, and first aperture is spliced by the semicircular indentations at two the first daughter board edges；Second air-duct clapboard by
Two the second daughter boards are spliced, and second aperture is spliced by the semicircular indentations at two the second daughter board edges.
In phase-shifting rectifier transformer described in the utility model, the third aperture is by first air-duct clapboard edge
The first side plate of notch and the cabinet body enclose；4th aperture by second air-duct clapboard edge notch with
Second side plate of the cabinet body encloses；Alternatively, edge and first side of the third aperture by first air-duct clapboard
Interval between plate is constituted, and the 4th aperture is by the interval structure between the edge and the second side plate of second air-duct clapboard
At.
In phase-shifting rectifier transformer described in the utility model, the phase-shifting rectifier transformer further includes being located at described the
Top blower above one air-duct clapboard.
The utility model also provides a kind of intersection heat dissipation wind channel structure, for realizing the intracorporal coil heat dissipation of cabinet, the line
Enclosing includes the low-voltage coil for being wound around the high-tension coil on the outside of first sleeve and being wound around on the outside of second sleeve, and described second
Sleeve is placed on outside the high-tension coil；The intersection heat dissipation wind channel structure includes being located at intracorporal first air-duct clapboard of cabinet and second
Air-duct clapboard, and the surrounding of first air-duct clapboard and the second air-duct clapboard is in close contact with the cabinet body inner wall respectively；Its
In：First air-duct clapboard is equipped with the first aperture and third aperture, and the size of first aperture and described second set
The size matching of cylinder；On second air-duct clapboard have the second aperture and the 4th aperture, and the size of second aperture with
The size of the second sleeve matches；First air-duct clapboard and second air-duct clapboard are with the first aperture face the
The mode that two apertures, the third aperture are staggered with the 4th aperture is arranged, and first air-duct clapboard and second air duct
The matched of spacing and the second sleeve between partition.
The phase-shifting rectifier transformer and intersection heat dissipation wind channel structure of the utility model have the advantages that：Pass through first
Air-duct clapboard and the second air-duct clapboard, so that the first aperture, second sleeve and the second aperture are configured to the of high-tension coil heat dissipation
One air duct, and the space and the 4th aperture between third aperture, the first air-duct clapboard and the second air-duct clapboard are configured to low-voltage line
The second air duct for enclosing heat dissipation, substantially increases radiating efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing phase-shifting transformer；
Fig. 2 is the schematic diagram of heat dissipation wind channel in existing phase-shifting transformer；
Fig. 3 is the schematic diagram of the first side of the utility model phase-shifting rectifier transformer embodiment；
Fig. 4 is the schematic diagram of second side of the utility model phase-shifting rectifier transformer embodiment；
Fig. 5 is the schematic diagram of the third side of the utility model phase-shifting rectifier transformer embodiment；
Fig. 6 is the heat dissipation schematic diagram of the utility model phase-shifting rectifier transformer embodiment mesolow coil.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It as in Figure 3-5, is the schematic diagram of the utility model phase-shifting rectifier transformer embodiment, the phase-shifting rectifier transformer
It can be applied to high-voltage frequency converter and realize phase shift transformation.Phase-shifting rectifier transformer in the present embodiment include cabinet body 30, iron core 31,
Coil 32, first sleeve, second sleeve, the first air-duct clapboard 33 and the second air-duct clapboard 34, above-mentioned coil 32 include winding
High-tension coil on the outside of first sleeve and the low-voltage coil being wound around on the outside of second sleeve, and first sleeve is placed on iron core 31
Iron core column is outer, second sleeve is then placed on outside high-tension coil, i.e., low-voltage coil is located at high-tension coil outer layer.In specific implementation,
Above-mentioned high-tension coil, which can be wound around on the axial stay on the outside of first sleeve, (is resisted against first sleeve on the inside of the axial direction stay
Periphery)；Similarly, above-mentioned low-voltage coil can be wound around on the axial stay on the outside of second sleeve that (inside of the axial direction stay is supported
Lean against the periphery of second sleeve).
Four sides or three sides of above-mentioned first air-duct clapboard 33 and the second air-duct clapboard 34 are respectively and in cabinet body 30
Wall is in close contact, to be separated out a space in cabinet body 30.Above-mentioned first air-duct clapboard 33 is equipped with the first aperture 331 and the
Three apertures 332, and the shape and size of the first aperture 331 are matched with the shape and size of second sleeve；Second air-duct clapboard 34
It is upper that there is the second aperture and the 4th aperture 342, and the shape and size of the second aperture are matched with the shape and size of second sleeve
(i.e. the shape and size of the first aperture 331 are identical as the shape and size of the second aperture).First air-duct clapboard 33 is close to second
The top of sleeve is arranged, and the first aperture of top opening face 331 of second sleeve；Second air-duct clapboard 34 is close to second sleeve
Bottom setting, and the second aperture of bottom opening face of second sleeve.Specifically, the top of above-mentioned second sleeve can be connected to
Lower surface, the bottom of first air-duct clapboard 33 are then connected to the upper surface of the second air-duct clapboard 34 or the top of second sleeve
The upper surface of the first air-duct clapboard 33 can be projected into from the first aperture 331, bottom then can be projected into the second air duct from the second aperture
The lower surface of partition 34.In above-mentioned phase-shifting rectifier transformer, third aperture 332 on the first air-duct clapboard 33 is close to cabinet body 30
The second side plate (such as backplate), and the 4th aperture on the second air-duct clapboard 34 close to cabinet body 30 the first side plate (such as
Front plate), above-mentioned first side plate and the second side plate are opposite on cabinet body 30, i.e. third aperture 332 and the 4th aperture is located at
The opposite two sides of cabinet body 30.
By above structure, the second aperture, second sleeve inner part on the second air-duct clapboard 34 (including second sleeve with
Gap, first sleeve between first sleeve and the gap between iron core column) and the first air-duct clapboard 33 on the first aperture
331 constitute as the first air duct of high-tension coil and the heat dissipation of iron core 31.And the 4th aperture, the second wind on the second air-duct clapboard 34
On space (removing second sleeve inner part) and the first air-duct clapboard 33 between road partition 34 and the first air-duct clapboard 33
The second air duct that third aperture 332 constitutes as low-voltage coil heat dissipation.
Above-mentioned phase-shifting rectifier transformer is low-voltage coil heat dissipation by the second air duct intersected with the first air duct, be ensure that low
Surface in crimping circle has stronger wind speed, increases the convection transfer rate of low-voltage coil transverse direction, greatly reduces low pressure
Coil cost and volume.
Particularly, when iron core 31 and coil 32 are first attached in cabinet body 30, for convenient for iron core column pass through the first air duct every
The second aperture in the first aperture 331 and the second air-duct clapboard 34 on plate 33, above-mentioned first air-duct clapboard 33 can be by two
One daughter board is spliced, and the first aperture 331 can be spliced by the semicircular indentations at two the first daughter board edges；Second air duct
Partition 34 is spliced by two the second daughter boards, and the second aperture can by the semicircular indentations splicing at two the second daughter board edges and
At.
Above-mentioned third aperture 332 is enclosed by the notch at 33 edge of the first air-duct clapboard and the second side plate of cabinet body 30；
And the 4th aperture 342 can then be enclosed by the notch at 34 edge of the second air-duct clapboard with the first side plate of cabinet body 30, above-mentioned
Two side plates are opposite with the first side plate.In addition, above-mentioned third aperture 332 is also by the one side edge and second side of the first air-duct clapboard 33
Interval between plate is constituted, and the 4th aperture is then by the interval structure between the one side edge and the first side plate of the second air-duct clapboard 34
At.
Above-mentioned low-voltage coil can turn to multiple line cakes, and have gap between adjacent lines cake；The periphery of second sleeve point
Not Ju You evenly distributed axial stay, low-voltage coil is wound around on axial stay, and has first through hole on axial stay.It is logical
Cross above structure, can not only increase the contact area of low-voltage coil and air, to increase heat exchange area, and can make air from
The through-hole of axial stay, as shown in Figure 6.In conjunction with the structure, the heat-sinking capability of low-voltage coil can be made to promote 50%, and can saved low
Crimping circle raw material usage 30%.
Above-mentioned phase-shifting transformer can be three-phase phase-shifting transformer, i.e. iron core 31 is arranged in parallel and is arranged in a linear including three
Iron core column, and in each iron core column have first sleeve, high-tension coil, second sleeve, low-voltage coil；First air-duct clapboard 33
On set there are three the first aperture 331 for being arranged in a linear, third aperture 332 be located at three the first apertures the first side (such as by
The side at the nearly phase-shifting transformer back side)；Three the second apertures being arranged in a linear also are provided on second air-duct clapboard 34, the 4th opens
Hole is located at second side (such as close to the positive side of phase-shifting transformer) of three the second apertures.Certainly, above-mentioned phase-shifting transformer
It can also be other kinds of phase-shifting transformer.
For the radiating efficiency for further increasing low-voltage coil, it may also include two side air-duct clapboards 35 in cabinet body 30, and
The top and bottom of each side air-duct clapboard 35 are connected with the first air-duct clapboard 33 and the second air-duct clapboard 34 respectively, this two
A side air-duct clapboard 35 is also connect with the second side plate of cabinet respectively.Due to the first air-duct clapboard 33, the second air-duct clapboard 34
And two side air-duct clapboards 35 are all connect with the side plate of cabinet 30, can prevent airflow bypass, and more air-flows is forced to flow through
The surface of low-voltage coil on the outside of second sleeve.
Above-mentioned phase-shifting rectifier transformer may also include 3rd sleeve 36, and the 3rd sleeve 36 is placed on outside low-voltage coil.On
Stating has the air inlet and the second air outlet being axially arranged in 3rd sleeve 36, and the first side plate of air inlet face cabinet body 30,
Second side plate of air outlet then face cabinet body 30, and the air outlet of all 3rd sleeves 36 is all located at two side air-duct clapboards 35
Between.The top of above-mentioned 3rd sleeve 36 is connect with the first air-duct clapboard 33, bottom is connect with the second air-duct clapboard 34, and two
A side air-duct clapboard 35 is connected with adjacent 3rd sleeve 36 respectively.It, can by adjusting the size of air inlet and air outlet
So that the air in the second air duct is flowed in a manner of being close to low-voltage coil surface, so as to take away more heats.
To accelerate air velocity in the first air duct and the second air duct, above-mentioned phase-shifting rectifier transformer further includes being located at the first wind
The top blower of 33 top of road partition.The phase-shifting rectifier transformer may also include the crossing current wind positioned at 34 lower section of the second air-duct clapboard
Machine.Certainly, in practical applications, above-mentioned crossflow fan can also omit.
The utility model also provides the intersection heat dissipation wind channel structure in a kind of above-mentioned phase-shifting transformer, the intersection heat dissipation wind channel
Structure includes being located at intracorporal first air-duct clapboard of cabinet and the second air-duct clapboard, and the first air-duct clapboard and the second air-duct clapboard
Surrounding is in close contact with cabinet body inner wall respectively；Wherein：First air-duct clapboard is equipped with the first aperture and third aperture, and first opens
The size in hole is matched with the size of second sleeve；There is the second aperture and the 4th aperture, and the second aperture on second air-duct clapboard
Size matched with the size of second sleeve；First air-duct clapboard is opened with second air-duct clapboard with the first aperture face second
The mode that hole, third aperture are staggered with the 4th aperture is arranged, and the spacing between the first air-duct clapboard and the second air-duct clapboard with
The matched of second sleeve.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of phase-shifting rectifier transformer, which is characterized in that including cabinet body, iron core, first sleeve, be wound around the first sleeve
High-tension coil, second sleeve and the low-voltage coil being wound around on the outside of the second sleeve in outside, and the first sleeve set
In outside the iron core column of the iron core, the second sleeve be placed on outside the high-tension coil, the phase-shifting rectifier transformer further includes
First air-duct clapboard and the second air-duct clapboard；First air-duct clapboard is equipped with the first aperture and third aperture, and described the
The size of one aperture is matched with the size of the second sleeve；On second air-duct clapboard there is the second aperture and the 4th to open
Hole, and the size of second aperture is matched with the size of the second sleeve；First air-duct clapboard is close to described second
The top of sleeve is arranged, and the first aperture described in the top opening face of the second sleeve；Second air-duct clapboard is close to
The bottom of the second sleeve is arranged, and the second aperture described in the bottom opening face of the second sleeve；First air duct
Third aperture on partition is disposed adjacent with the second side plate of the cabinet body, the 4th aperture and institute on second air-duct clapboard
The first side plate for stating cabinet body is disposed adjacent, and first side plate and the second side plate are opposite.
2. phase-shifting rectifier transformer according to claim 1, which is characterized in that the phase-shifting rectifier transformer includes two
Side air-duct clapboard, and the top and bottom of each side air-duct clapboard respectively with the first air-duct clapboard and the second air-duct clapboard phase
Connection, described two side air-duct clapboards are connect with the second side plate of cabinet respectively.
3. phase-shifting rectifier transformer according to claim 2, which is characterized in that the phase-shifting rectifier transformer further includes
Three sleeves, and the 3rd sleeve is placed on outside the low-voltage coil；Have in the 3rd sleeve air inlet that is axially arranged and
Air outlet, and the first side plate of cabinet body described in the air inlet face, the second side plate of cabinet body described in the air outlet face.
4. phase-shifting rectifier transformer according to claim 3, which is characterized in that the top of the 3rd sleeve and described the
The connection of one air-duct clapboard, and the bottom of the 3rd sleeve is connect with second air-duct clapboard；Described two side air ducts every
Plate is connected with adjacent 3rd sleeve respectively, and the air outlet of the 3rd sleeve be located at described two side air-duct clapboards it
Between.
5. phase-shifting rectifier transformer according to claim 1, which is characterized in that the iron core includes multiple is arranged in parallel simultaneously
The iron core column being arranged in a linear, and there is the first sleeve, high-tension coil, second sleeve, low pressure in each iron core column
Coil；First air-duct clapboard is equipped with multiple the first apertures being arranged in a linear；Second air-duct clapboard is equipped with more
A the second aperture being arranged in a linear.
6. phase-shifting rectifier transformer according to any one of claims 1-5, which is characterized in that the low-voltage coil difference
Including multiple line cakes, and there is gap between adjacent lines cake；Have the periphery along the second sleeve equal outside the second sleeve
The axial stay of more of even distribution, the low-voltage coil are wound around on the axial stay, and are had on the axial stay logical
Hole.
7. phase-shifting rectifier transformer according to any one of claims 1-5, which is characterized in that first air-duct clapboard
It is spliced by two the first daughter boards, and first aperture is spliced by the semicircular indentations at two the first daughter board edges；
Second air-duct clapboard is spliced by two the second daughter boards, and second aperture is by the semicircle at two the second daughter board edges
V notch v is spliced.
8. phase-shifting rectifier transformer according to any one of claims 1-5, which is characterized in that the third aperture is by institute
Second side plate of the notch and the cabinet body of stating the first air-duct clapboard edge encloses；4th aperture is by second wind
The notch of road separator edge and the first side plate of the cabinet body enclose；Alternatively, the third aperture is by first air duct
Interval between the edge of partition and the second side plate is constituted, the 4th aperture by second air-duct clapboard edge and first
Interval between side plate is constituted.
9. phase-shifting rectifier transformer according to any one of claims 1-5, which is characterized in that the phase-shifting commutation transformation
Device further includes the top blower above first air-duct clapboard.
10. a kind of intersection heat dissipation wind channel structure, for realizing the intracorporal coil heat dissipation of cabinet, the coil includes being wound around first set
The high-tension coil in cylinder outside and the low-voltage coil being wound around on the outside of second sleeve, and the second sleeve is placed on the high-voltage line
Circle is outer；It is characterized in that, the intersection heat dissipation wind channel structure include positioned at intracorporal first air-duct clapboard of cabinet and the second air duct every
Plate, and the surrounding of first air-duct clapboard and the second air-duct clapboard is in close contact with the cabinet body inner wall respectively；Wherein：It is described
First air-duct clapboard is equipped with the first aperture and third aperture, and the size of the size of first aperture and the second sleeve
Matching；There is the second aperture and the 4th aperture, and the size of second aperture and described second on second air-duct clapboard
The size of sleeve matches；First air-duct clapboard and second air-duct clapboard with the second aperture of the first aperture face,
The mode that the third aperture is staggered with the 4th aperture is arranged, and between first air-duct clapboard and second air-duct clapboard
Spacing and the second sleeve matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053379.6U CN208173374U (en) | 2018-01-12 | 2018-01-12 | Phase-shifting rectifier transformer and intersection heat dissipation wind channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053379.6U CN208173374U (en) | 2018-01-12 | 2018-01-12 | Phase-shifting rectifier transformer and intersection heat dissipation wind channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173374U true CN208173374U (en) | 2018-11-30 |
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ID=64387078
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| Country | Link |
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| CN (1) | CN208173374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571299A (en) * | 2021-09-24 | 2021-10-29 | 徐州鹏程电气有限公司 | Transformer capable of circularly radiating |
-
2018
- 2018-01-12 CN CN201820053379.6U patent/CN208173374U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571299A (en) * | 2021-09-24 | 2021-10-29 | 徐州鹏程电气有限公司 | Transformer capable of circularly radiating |
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