CN212033987U - Compact high-voltage frequency converter with linear arrangement - Google Patents
Compact high-voltage frequency converter with linear arrangement Download PDFInfo
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- CN212033987U CN212033987U CN202020417808.0U CN202020417808U CN212033987U CN 212033987 U CN212033987 U CN 212033987U CN 202020417808 U CN202020417808 U CN 202020417808U CN 212033987 U CN212033987 U CN 212033987U
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Abstract
The utility model discloses a compact high-voltage inverter arranged in a row, which relates to the technical field of high-voltage inverters and comprises a transformer cabinet, a unit cabinet and a control cabinet, wherein the transformer cabinet, the unit cabinet and the control cabinet are arranged in a straight line, a transformer arranged in a triangular structure is arranged in the transformer cabinet, and a first exhaust fan is arranged at the top of the transformer cabinet; two rows of power units are arranged in the unit cabinet along the width direction of the unit cabinet, the two rows of power units are enclosed to form a power unit air duct, and a second exhaust fan is arranged at the top of the unit cabinet; the transformer cabinet also comprises a switching terminal which is arranged in the control cabinet. The utility model discloses have and reduce cabinet body volume, apart from the compactness, concentrate the wind channel, reduce fan use quantity, simplify installation cost, installation and debugging are convenient, and later maintenance is convenient, and operational reliability is high, convenient to use's effect.
Description
Technical Field
The utility model relates to a high-voltage inverter technical field, more specifically say, it relates to a line arrangement compact high-voltage inverter.
Background
The high-voltage frequency converter is mostly a large and medium-sized national enterprise with high energy consumption, and the demand is vigorous; meanwhile, under the trends of environmental protection, energy conservation and the like, a series of policies provide guidance for the high-voltage inverter market in China, the application field relates to various industries such as electric power and the like, and the high-voltage inverter market in China keeps higher growth rate. The high-voltage high-power variable-frequency speed regulation device is widely applied to various fans, water pumps, compressors, rolling mills and the like in industries such as large-scale mining production plants, petrochemical industry, municipal water supply, metallurgical steel, electric power energy and the like.
However, the existing high-voltage frequency converter has certain defects, the field arrangement form of the existing high-voltage frequency converter is generally arranged from left to right, and secondary outgoing lines of the transformer are all concentrated behind the cabinet and connected. Each phase of the power unit is sequentially arranged from top to bottom. The cabinets are connected through cables and control lines. The cooling is generally air cooling. The whole high-voltage frequency converter has large structural layout volume, large occupied area and slightly higher cost.
Based on the above problem, a need is to provide a compact high-voltage inverter arranged in a straight line, which can reduce the volume of a cabinet body, concentrate an air duct, reduce the number of used fans, simplify the installation cost and is convenient to use.
SUMMERY OF THE UTILITY MODEL
To this problem in the practical application, the utility model aims to provide a line arranges compact high-voltage inverter, concrete scheme is as follows:
the compact high-voltage frequency converter arranged in a straight line comprises a transformer cabinet, a unit cabinet and a control cabinet, wherein the transformer cabinet, the unit cabinet and the control cabinet are arranged in a straight line,
the transformer cabinet is internally provided with transformers arranged in a triangular structure, the transformers are enclosed to form a transformer air duct, the top of the transformer cabinet is provided with a first exhaust fan, the first exhaust fan is positioned right above the transformer air duct, and transformer air inlet holes are formed in the front and the rear of the transformer cabinet;
two rows of power units are arranged in the unit cabinet along the width direction of the unit cabinet, the two rows of power units are arranged in a back-to-back manner, the two rows of power units are enclosed to form a power unit air channel, a second exhaust fan is arranged at the top of the unit cabinet and is positioned right above the power unit air channel, and unit air inlet holes are formed in the front and at the back of the unit cabinet;
the transformer cabinet further comprises a switching terminal, and the switching terminal is arranged in the control cabinet.
Furthermore, three rows of power units are arranged in the unit cabinet along the height direction of the unit cabinet, and each row of power units are arranged in a clockwise manner.
Further, the first exhaust fan is provided with one.
Furthermore, the wiring of the transformer cabinet is arranged in a manner that the secondary side is arranged in a front-back separated manner;
the secondary side of the transformer cabinet is distributed in a front-back separated wiring mode and corresponds to the front-back distribution of the two rows of power units.
Further, the transformer air duct and the power unit air duct are arranged independently.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the transformers in the transformer cabinet are in a triangular layout, so that the width of the transformer cabinet is reduced, the size of the transformer cabinet body is miniaturized, and the transformer cabinet is suitable for limited installation occasions;
(2) the secondary side of the transformer is distributed in a front-back scattered manner, the length of the used cable is shortened, the wiring is reasonable, and the maintenance is convenient;
(3) the transformer cabinet adopts a barrel-surrounding type transformer, air draft of an air duct fan is centralized, and the matching degree with the periphery of the cabinet body is not considered during design;
(4) the power units of the unit cabinet are distributed clockwise from front to back, the left width and the right width are reduced, the transformer cabinet body is miniaturized, and the applicability to installation occasions is enlarged;
(5) the unit cabinet control box integrates the transformer cabinet switching terminals into an integrated cabinet, so that the layout space of the transformer cabinet switching terminals is reduced;
(6) the unit cabinet air duct originally has large left-right span, the left-right width is reduced, and the air duct is reduced left and right, so that the units on the left side and the right side can more reasonably and effectively play roles in the uniformity of the air duct and the uniform heat dissipation when the fan pumps air;
(7) the whole high-voltage frequency converter is greatly reduced in overall structure, convenient to transport and install and more suitable for implementation of frequency converter transformation projects;
(8) the small size, with low costs satisfy the requirement in special place, let the customer more effectual according to the place requirement select new line row compact.
Drawings
Fig. 1 is a front view of a high voltage inverter in the prior art;
FIG. 2 is a rear view of a high voltage inverter in the prior art;
fig. 3 is a front view of the present invention;
fig. 4 is a side view of the present invention;
fig. 5 is a rear view of the present invention;
fig. 6 is a schematic diagram of the internal structure of the transformer cabinet according to the present invention (from a top view);
fig. 7 is a perspective view of the transformer cabinet of the present invention;
FIG. 8 is a front view of the middle unit cabinet of the present invention;
FIG. 9 is a top view of the middle unit cabinet of the present invention;
FIG. 10 is a top view of the middle unit cabinet of the present invention;
fig. 11 is a schematic view of air inlet and outlet of the air duct of the transformer cabinet of the present invention;
fig. 12 is a schematic view of air inlet and outlet of the air duct of the middle unit cabinet.
Reference numerals: 1. a transformer cabinet; 11. a transformer; 12. a first exhaust fan; 13. an air inlet hole of the transformer; 2. a unit cabinet; 21. a power unit; 22. a second exhaust fan; 23. a unit air inlet hole; 3. a control cabinet.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-2, in a high voltage inverter in the prior art, four fans are arranged on the top of a transformer cabinet 1, a controller and a power unit cabinet 2 in a linear arrangement, and the width × depth × height is 5614mm × 1400mm × 2327 mm. The motors are large in use number, large in occupied area, poor in adaptability and insufficient in flexibility.
As shown in fig. 3 to 10, the compact high-voltage inverter arranged in a row includes a transformer cabinet 1, a unit cabinet 2 and a control cabinet 3, and the transformer cabinet 1, the unit cabinet 2 and the control cabinet 3 are arranged in a row. Wherein, the transformer cabinet 1 and the unit cabinet 2 are independent. Preferably, the transformer cabinet 1, the unit cabinet 2 and the control cabinet 3 are sequentially arranged in a straight line from left to right. Like this, design into a word and arrange compact structure, will collect the whole high-voltage inverter of transformer cabinet 1, unit cabinet 2 and switch board 3, small, apart from the compactness, can satisfy the limited requirement in customer site place.
The transformer 11 that is the triangle-shaped structural arrangement is equipped with in the inside of transformer cabinet 1, and transformer 11 encloses to close and forms the transformer wind channel, and the top of transformer cabinet 1 is provided with first air exhauster 12, and first air exhauster 12 is located directly over the transformer wind channel, all is equipped with transformer fresh air inlet 13 around the transformer cabinet 1. One first suction fan 12 is provided. Preferably, three transformers 11 are provided. Like this, because transformer 11 in the transformer cabinet 1 is triangle-shaped distribution structure for whole transformer cabinet 1's width diminishes, and the volume diminishes, and three transformer 11 encloses into a transformer wind channel, makes the transformer wind channel of enclosing the bucket formula more reasonable, and the air inlet is more effective, thereby makes the top fan of the cabinet body only need install one just can satisfy the requirement, resources are saved.
The transformer cabinet 1 further comprises a switching terminal, and the switching terminal is arranged in the control cabinet 3. Therefore, the adapter terminal in the transformer cabinet 1 can be connected with the control cabinet 3, and the space can be saved.
Two rows of power units 21 are arranged inside the unit cabinet 2 along the width direction of the unit cabinet, the two rows of power units 21 are arranged in a back-to-back mode, the two rows of power units 21 are enclosed to form a power unit air duct, a second exhaust fan 22 is arranged at the top of the unit cabinet 2, the second exhaust fan 22 is located right above the power unit air duct, and unit air inlet holes 23 are formed in the front and the back of the unit cabinet 2. Meanwhile, three rows of power cells 21 are disposed inside the unit cabinet 2 in the height direction thereof, and each row of power cells 21 is set to a clockwise layout. Wherein, the leftmost power unit 21 in the three rows of power units 21 is arranged in the height direction as a starting point to realize the clockwise layout of each row of power units 21. Therefore, the arrangement of the power units 21 is divided into front and back arrangement, the width of the unit cabinet 2 is reduced, the size of the whole cabinet body is reduced, and meanwhile, different layout forms are adopted, so that the number of the applied power units 21 is conveniently expanded.
The wiring of the transformer cabinet 1 is arranged in a manner that the secondary side is arranged in a front-back separated manner; the front and back wiring arrangement of the secondary side of the transformer cabinet 1 corresponds to the front and back arrangement of the two rows of power units 21. Like this, can reduce and walk the line distance, the cable material reduces, and the control part is all integrated in a cabinet body, be convenient for installation, inspection and maintenance.
The transformer air duct and the power unit air duct are arranged independently. The parallel ventilation cooling system is adopted between the transformer air duct and the power unit 21, the parallel ventilation cooling system works respectively, air suction of the air duct is concentrated, heat dissipation is facilitated, meanwhile, the matching degree of the air duct and the periphery of the cabinet body is not considered during design, and the installation is free.
Aiming at the transformer cabinet 1, when the first exhaust fan 12 works, as shown in fig. 11, air is supplied from the transformer air inlet holes 13 in the front and the back of the transformer cabinet 1, passes through the transformer air duct, and is finally discharged from the air outlet of the first exhaust fan 12, so that the air cooling circulation of the whole transformer cabinet 1 is realized, the air duct is centralized, and the heat dissipation effect is good.
When the second exhaust fan 22 works, as shown in fig. 12, air is supplied from the air inlet holes 23 of the front and rear power unit air ducts of the unit cabinet 2, and finally is discharged from the air outlet of the second exhaust fan 22 through the middle channels of the two rows of power units 21 arranged along the width direction of the unit cabinet 2, so that the air cooling circulation of the whole unit cabinet 2 is realized, the heat dissipation is concentrated, and the heat dissipation effect is good.
The utility model discloses a concrete implementation principle does: because the transformer 11 that the triangle-shaped structure set up, can reduce the width of transformer cabinet 1, thereby reduce the volume of whole transformer cabinet 1, can let the transformer wind channel concentrate simultaneously, be favorable to improving the radiating effect, simultaneously because set power unit 21 into two rows along the width direction of unit cabinet 2, can reduce the width department of unit cabinet 2 equally, thereby reduce the volume of unit cabinet 2, and can let the power unit wind channel concentrate equally, be favorable to improving the radiating effect, in addition transformer cabinet 1's switching terminal merges into in switch board 3, be favorable to practicing thrift the space, conveniently walk the line, save the cable, whole high-voltage inverter is whole small, the radiating effect is good, adapt to limited installation occasion more, therefore, the clothes hanger is strong in practicability.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The compact high-voltage frequency converter arranged in a straight line comprises a transformer cabinet (1), a unit cabinet (2) and a control cabinet (3), and is characterized in that the transformer cabinet (1), the unit cabinet (2) and the control cabinet (3) are arranged in a straight line, wherein,
the transformer air duct is characterized in that transformers (11) which are arranged in a triangular structure are arranged inside the transformer cabinet (1), the transformers (11) are enclosed to form a transformer air duct, a first exhaust fan (12) is arranged at the top of the transformer cabinet (1), the first exhaust fan (12) is located right above the transformer air duct, and transformer air inlet holes (13) are formed in the front and the rear of the transformer cabinet (1);
two rows of power units (21) are arranged in the unit cabinet (2) along the width direction of the unit cabinet, the two rows of power units (21) are arranged in a back-to-back manner, the two rows of power units (21) enclose a power unit air duct, a second exhaust fan (22) is arranged at the top of the unit cabinet (2), the second exhaust fan (22) is positioned right above the power unit air duct, and unit air inlet holes (23) are formed in the front and the back of the unit cabinet (2);
the transformer cabinet (1) further comprises a switching terminal, and the switching terminal is arranged in the control cabinet (3).
2. The in-line compact high-voltage inverter according to claim 1, wherein the interior of the unit cabinet (2) is provided with three rows of power cells (21) in a height direction thereof, and each row of the power cells (21) is set to a clockwise layout.
3. The inline compact high voltage frequency converter according to claim 1, wherein the first suction fan (12) is provided with one.
4. The I-shaped compact high-voltage frequency converter according to claim 1, wherein the wiring of the transformer cabinet (1) is arranged with the secondary side arranged in front and back separately;
the front and back of the secondary side of the transformer cabinet (1) are separately arranged in a wiring manner and correspond to the front and back arrangement of the two rows of power units (21).
5. The in-line compact high-voltage inverter according to claim 1, wherein the transformer air duct and the power unit air duct are provided independently of each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417808.0U CN212033987U (en) | 2020-03-27 | 2020-03-27 | Compact high-voltage frequency converter with linear arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417808.0U CN212033987U (en) | 2020-03-27 | 2020-03-27 | Compact high-voltage frequency converter with linear arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212033987U true CN212033987U (en) | 2020-11-27 |
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ID=73488415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020417808.0U Active CN212033987U (en) | 2020-03-27 | 2020-03-27 | Compact high-voltage frequency converter with linear arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212033987U (en) |
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2020
- 2020-03-27 CN CN202020417808.0U patent/CN212033987U/en active Active
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