CN117912799A - Heat dissipation cabinet for transformer - Google Patents
Heat dissipation cabinet for transformer Download PDFInfo
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- CN117912799A CN117912799A CN202410302141.2A CN202410302141A CN117912799A CN 117912799 A CN117912799 A CN 117912799A CN 202410302141 A CN202410302141 A CN 202410302141A CN 117912799 A CN117912799 A CN 117912799A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 126
- 238000009423 ventilation Methods 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a heat dissipation cabinet for a transformer, which relates to the technical field of transformer cabinets and comprises a cabinet body, a heat dissipation structure and a ventilation structure, wherein the transformer is arranged in the cabinet body, at least one side surface of the transformer is a plane, the side wall of the cabinet body is provided with the heat dissipation structure matched with the side surface of the transformer, and the ventilation structure is used for supplying pressure-stabilizing air flow to the heat dissipation structure. According to the invention, the side surface of the transformer is set to be a plane, and the side wall of the cabinet body is provided with the heat dissipation structure which is equivalent to external heat dissipation, so that the independent design of the heat dissipation structure of the transformer is basically not required, and the design difficulty of the transformer is simplified; most importantly, the side wall of the cabinet body is attached to the side face of the transformer, when the radiating cabinet of the transformer is designed, the size of the radiating cabinet can be basically equal to that of the transformer, so that the whole volume of the transformer cabinet can be reduced, great convenience can be brought in subsequent installation and use, and the radiating cabinet is worthy of popularization and use in the field of radiating cabinets of the transformer.
Description
Technical Field
The invention relates to the technical field of transformer cabinets, in particular to a heat dissipation cabinet for a transformer.
Background
The transformer is a device for converting an ac voltage, and when an ac current is applied to the primary coil, an ac magnetic flux is generated in the core (or the core), and a voltage is induced in the secondary coil. The transformer consists of iron core and coil with two or more windings, which are connected to power source and called primary winding and the other windings as secondary winding. Part of electric energy can be lost in the form of heat in the working process of the transformer, so that the transformer can generate heat; therefore, many transformers are directly exposed outside and radiating by means of radiating fins arranged on the side surfaces, but the exposed transformers are easily corroded and damaged by external force, and potential safety hazards of electric shock exist in the exposed transformers.
The transformer cabinet is a cabinet body for placing a transformer, and due to the fact that the transformer generates heat, when the transformer is installed in the cabinet, the transformer needs to be at a proper distance from the inner wall of the cabinet, and the radiating fins on the side face of the transformer can increase the whole volume of the transformer, so that the whole volume of the transformer cabinet used at present is large.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the radiating cabinet for the transformer, which solves the problems that the side surface of the traditional transformer is required to be provided with radiating fins, the whole is larger, and when the radiating fins are arranged in the transformer cabinet, the transformer is required to be provided with a proper distance with the inner wall of the cabinet, so that the whole volume of the transformer cabinet used at present is larger.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the radiating cabinet for the transformer comprises a cabinet body, wherein the transformer is fixedly arranged in the cabinet body, at least one side surface of the transformer is a plane, and a radiating structure matched with the side surface of the transformer, which is a plane, is arranged on the side wall of the cabinet body;
the heat dissipation structure comprises an air flow channel, a mounting opening formed in the side face of the cabinet body and a heat dissipation main body which is positioned at the inner side of the mounting opening and fixedly connected with the cabinet body, wherein the air flow channel is provided with an air inlet and an air outlet, and the air flow channel provides air flow for the heat dissipation main body;
The heat dissipation main body comprises a main heat dissipation part, a first auxiliary heat dissipation part, a second auxiliary heat dissipation part and an air inlet distributor, wherein an air duct is arranged on one side, facing the inside of the cabinet body, of the main heat dissipation part, a damping air outlet communicated with the air duct is arranged at the top of the main heat dissipation part, the first auxiliary heat dissipation part and the second auxiliary heat dissipation part are respectively and fixedly connected to the main heat dissipation part along the two sides of the airflow direction in the air duct, a first side air duct is arranged on the connecting surface of the first auxiliary heat dissipation part and the main heat dissipation part, a second side air duct is arranged on the connecting surface of the second auxiliary heat dissipation part and the main heat dissipation part, a rectangular opening is formed in the side surface of the air inlet distributor, an air outlet of the air duct is fixedly connected with the rectangular opening, and a plurality of first strip-shaped air outlets connected with the bottom of the air duct and a second strip-shaped air outlet communicated with the bottom of the first auxiliary heat dissipation part and the second auxiliary heat dissipation part are formed in the top of the air inlet distributor;
And a ventilation structure for supplying a pressure-stabilizing air flow to the heat dissipation structure.
Preferably, the air flow channel comprises a flexible air pipe, a semicircular air guide shell and an air inlet pipe fixedly connected with the side face of the cabinet body, the side face of the air inlet pipe is provided with an air inlet and an air outlet, the air outlet of the air inlet pipe is fixedly connected with one end of the flexible air pipe, which is far away from the air inlet pipe, is fixedly connected with the semicircular air guide shell, and the semicircular air guide shell provides air flow for the radiating main body.
Preferably, the first side air duct comprises a plurality of side part channels formed in the side face of the first auxiliary radiating part, the side part channels are distributed at equal intervals along the airflow flowing direction in the air duct, the radiating main body is fixedly connected with side plates along the two sides of the airflow flowing direction in the air duct, and air supply ports corresponding to the number and the positions of the side part channels are formed in the side plates.
Preferably, the inner side of the air duct is provided with a plurality of flat and shallow groove parts and deep groove parts, the flat and shallow groove parts and the deep groove parts are alternately arranged along the air flow direction in the air duct, and each deep groove part is internally provided with an air deflector assembly.
Preferably, the air deflector assembly comprises a middle air deflector and end air deflectors arranged on two sides of the middle air deflector, wherein the middle air deflector is even in number and is inclined towards the center of the airflow flowing direction in the air duct, a triangular negative pressure area is formed between the end air deflector and the side plate, and the first side air duct and the second side air duct are corresponding to the triangular negative pressure area in position.
Preferably, the damping air outlet comprises a plurality of right angle holes, and the sum of the sectional areas of the right angle holes is smaller than the sectional area of a flow channel formed by the flat groove part and the side surface of the transformer.
Preferably, the ventilation structure comprises a ventilation pipe, a disc-shaped air inlet seat and a low-pressure turbine fan, wherein the ventilation pipe is provided with at least one air outlet, the air outlet is connected with an air inlet of the air inlet pipe, the ventilation pipe is fixedly connected with the side surface of the cabinet body or the ground, the disc-shaped air inlet seat is fixedly connected with the ventilation pipe, an inner cavity of the disc-shaped air inlet seat is communicated with an inner cavity of the ventilation pipe, the low-pressure turbine fan is fixedly installed at the top of the disc-shaped air inlet seat, and the air outlet of the low-pressure turbine fan is arranged in the disc-shaped air inlet seat.
Preferably, a division plate is fixedly connected in the cabinet body, the division plate divides the interior of the cabinet body into a transformer installation chamber and a power distribution assembly installation chamber, a single-opening door body is connected to the side face of the transformer installation chamber in a hinge manner, and a double-opening door body is connected to the side face of the power distribution assembly installation chamber in a hinge manner;
and the side surface of the cabinet body is provided with a heat dissipation hole communicated with the transformer installation chamber.
Preferably, the bottom of the cabinet body is fixedly connected with a rectangular steel pipe support.
Preferably, the upper surface of division board has seted up first mounting hole, through wires hole, the top of division board is through bolt fixed mounting has front row's mounting bracket, back row's mounting bracket, the position of front row's mounting bracket and back row's mounting bracket staggers each other, the third mounting hole has been seted up on the front row's mounting bracket, the second mounting hole has been seted up on the back row's mounting bracket.
The invention provides a heat dissipation cabinet for a transformer. The beneficial effects are as follows:
1. According to the invention, the side surface of the transformer is set to be a plane, so that the volume and the weight of the whole transformer are reduced compared with those of the transformer provided with the radiating fins, and the transformer is convenient to install, maintain and use, especially when being hoisted at a high place; the side wall of the cabinet body is provided with a heat dissipation structure matched with the side surface of the transformer, which is a plane, and is equivalent to external heat dissipation, so that the independent design of the heat dissipation structure of the transformer is basically not needed, and the design difficulty of the transformer is simplified; most importantly, the side wall of the cabinet body is attached to the side face of the transformer, when the radiating cabinet of the transformer is designed, the size of the radiating cabinet can be basically equal to that of the transformer (the radiating cabinet is slightly larger than the transformer), so that the whole volume of the transformer cabinet can be reduced, great convenience can be brought in subsequent installation and use, and the radiating cabinet is worthy of popularization and use in the field of the radiating cabinet of the transformer.
2. According to the invention, the heat radiation structure and the ventilation structure are designed, the ventilation structure is used for supplying pressure-stabilizing air flow to the heat radiation structure, and the heat radiation structure is used for enabling the air flow to flow along the side face (plane) of the transformer, so that the cross section of the air flow can be increased, and compared with a structure perpendicular to the ventilation and heat radiation of the transformer, the heat radiation effect is better; the heat dissipation main body is composed of a main heat dissipation part, two auxiliary heat dissipation parts (a first auxiliary heat dissipation part and a second auxiliary heat dissipation part) and an air inlet distributor, the air flow provided by the ventilation structure is supplied to the air inlet distributor by utilizing an air flow channel, then the air flow is divided into three parts by the air inlet distributor to be supplied to the main heat dissipation part and the two auxiliary heat dissipation parts, the main heat dissipation part occupies most of the air flow, the partial air flow directly contacts with the side face of the transformer to dissipate heat of the transformer, the two auxiliary heat dissipation parts are supplemented with the air flow from the two sides of the main heat dissipation part in the flowing process, the air flow is stirred, the air flow is enabled to be in interactive contact with the side face of the transformer, the heat dissipation effect is further increased, the air flow supplemented from the two auxiliary heat dissipation parts is normal temperature air, the air flow after heat dissipation is not conducted (the air flows continuously after contacting with the side face of the transformer, the air temperature is increased, the air flow is higher than the normal temperature, the heat dissipation effect of the part located on the upstream part of the air flow is good, the heat dissipation effect of the part located on the downstream part is poor), and the whole heat dissipation effect is enabled to be more uniform.
3. According to the invention, the air grooves are arranged as the flat shallow groove parts and the deep groove parts alternately along the air flow direction in the air grooves, the air deflectors (the middle air deflector and the end air deflector) are arranged at the inner sides of the deep groove parts, the middle air deflector is even in number and is inclined towards the center of the air flow direction in the air grooves, so that the air flows along the air grooves, and meanwhile, the air flows slightly towards the middle part, the air flows form a state with high middle pressure and low pressure at two sides in the air grooves, so that the air flows in the two auxiliary heat dissipation parts conveniently flow into the air grooves, a triangular negative pressure area is formed between the end air deflector in the deep groove parts and the side plates of the air grooves, and the side surface part channels and the air compensating ports are arranged at the positions of the triangular negative pressure area, so that the inner parts of the two auxiliary heat dissipation parts can have higher air flow speeds, and the heat dissipation effect is further improved. Under practical conditions, the two auxiliary radiating parts cannot directly radiate heat, the volume of the auxiliary radiating part is smaller, the main radiating part directly radiates heat, the area is larger, the design of the internal structure completely meets the design concept, and the radiating effect can be improved.
Drawings
Fig. 1 is a perspective view of a first view of a heat dissipating cabinet for a transformer according to the present invention;
Fig. 2 is a front view of a heat dissipating cabinet for a transformer according to the present invention;
FIG. 3 is a side view of a heat dissipating cabinet for a transformer according to the present invention;
fig. 4 is a top view of a heat dissipating cabinet for a transformer according to the present invention;
FIG. 5 is a cross-sectional view taken along section line A-A of FIG. 4;
fig. 6 is a second perspective view of the heat dissipation cabinet for a transformer according to the present invention;
fig. 7 is a schematic diagram of an internal structure of a heat dissipation cabinet for a transformer according to the present invention;
fig. 8 is a schematic diagram of a heat dissipation structure of a heat dissipation cabinet for a transformer according to the present invention;
fig. 9 is a schematic installation diagram of a heat dissipation structure and a ventilation structure of a heat dissipation cabinet for a transformer according to the present invention;
fig. 10 is a schematic diagram illustrating a disassembled heat dissipation structure of a heat dissipation cabinet for a transformer according to the present invention;
Fig. 11 is a schematic perspective view illustrating a heat dissipation structure of a heat dissipation cabinet for a transformer according to the present invention;
fig. 12 is a schematic perspective view of a partition plate and a mounting frame of a heat dissipating cabinet for a transformer according to the present invention.
1, A cabinet body; 2. a heat dissipation structure; 201. a mounting port; 202. an air inlet pipe; 203. a flexible air duct; 204. a semicircular air guide shell; 205. a heat dissipating body; 2051. a first sub heat dissipation part; 2052. a main heat dissipation part; 2053. a second auxiliary heat dissipation part; 2054. an air inlet distributor; 2055. a first strip-shaped air outlet; 2056. a second strip-shaped air outlet; 2057. a side portion channel; 2058. a wind groove; 20581. a flat shallow groove portion; 20582. a deep groove portion; 2059. a side plate; 20510. air supplementing port; 20511. a middle air deflector; 20512. damping type air outlet; 20513. an end air deflector; 20514. a rectangular opening; 20515. a triangular negative pressure region; 3. a ventilation structure; 301. a ventilation pipe; 302. a disc-type air inlet seat; 303. a low pressure turbine fan; 4. a transformer; 5. a partition plate; 6. a first mounting hole; 7. a threading hole; 8. a front row mounting rack; 9. a rear mounting rack; 10. a second mounting hole; 11. a third mounting hole; 12. rectangular steel tube support; 13. a double door body; 14. a single door body; 15. and the heat dissipation holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
As shown in fig. 1 to 12, an embodiment of the present invention provides a heat dissipation cabinet for a transformer, including a cabinet body 1, a heat dissipation structure 2, and a ventilation structure 3; the inside fixed mounting of the cabinet body 1 has the transformer 4, the inside fixedly connected with division board 5 of the cabinet body 1, and division board 5 separates into transformer installation room, distribution assembly installation room with the inside of the cabinet body 1, and the transformer 4 is installed inside the transformer installation room, and terminal, the safe distribution switch etc. that use in the transformer 4 use are installed at distribution assembly installation room, make the inside relatively clean and tidy of cabinet body 1, be convenient for use and later maintenance.
The side hinge of the transformer installation room is connected with a single door body 14, the side hinge of the distribution assembly installation room is connected with a double door body 13, the single door body 14 and the double door body 13 are opened when the distribution assembly installation room is installed and used, and the distribution assembly installation room is closed when the distribution assembly installation room is not used, and the distribution assembly installation room effectively protects an internal transformer 4, a binding post, a safety distribution switch and the like by using the cabinet body 1.
The side of the cabinet body 1 is provided with a radiating hole 15 communicated with the transformer installation chamber for radiating the inside transformer 4. The bottom fixedly connected with rectangle steel pipe support 12 of cabinet body 1 for improve the structural strength of cabinet body 1 bottom, after with guaranteeing that transformer 4 installs, can not crush the bottom of cabinet body 1.
The upper surface of division board 5 has seted up first mounting hole 6, through wires hole 7, and the lateral wall that the through wires hole 7 is close to cabinet body 1 for the wearing of wire is established between terminal and the transformer 4, and the top of division board 5 is through bolt fixed mounting has front row mounting bracket 8, back row mounting bracket 9, and the screw passes behind first mounting hole 6 with front row mounting bracket 8, the bottom threaded connection of back row mounting bracket 9 from the bottom promptly, realizes fixed front row mounting bracket 8, the purpose of back row mounting bracket 9. The positions of the front-row mounting frame 8 and the rear-row mounting frame 9 are staggered, so that a user can conveniently install corresponding power distribution elements on the front-row mounting frame 8 and the rear-row mounting frame 9, the front-row mounting frame 8 is provided with a third mounting hole 11, and the rear-row mounting frame 9 is provided with a second mounting hole 10, so that the power distribution elements are conveniently installed on the front-row mounting frame 8 and the rear-row mounting frame 9 by bolts.
In an embodiment, the transformer 4 has at least one side surface as a plane, the side wall of the cabinet body 1 is provided with a heat dissipation structure 2 matched with the side surface of the transformer 4 as a plane, when the transformer 4 is installed in the cabinet body 1, the volume occupied by the transformer 4 is only slightly larger than the containing cavity in the cabinet body 1 (the containing cavity of the transformer installation chamber can be referred to), so that the volume of the heat dissipation cabinet can be smaller, the whole volume of the transformer cabinet can be reduced, and great convenience can be brought in subsequent installation and use.
The side surface of the transformer 4 is set to be a plane, and compared with a transformer provided with radiating fins, the whole volume and the whole weight of the transformer are reduced, so that the transformer is convenient to install, maintain and use, and particularly when being hoisted at a high place; and be provided with the heat radiation structure 2 that cooperatees with the side that transformer 4 is the plane at the lateral wall of cabinet body 1, be equivalent to outside heat dissipation, basically do not need the transformer itself to carry out independent design heat radiation structure, simplified the design degree of difficulty of transformer.
In an embodiment, the heat dissipation structure 2 includes an air flow channel, a mounting opening 201 formed on a side surface of the cabinet body 1, and a heat dissipation main body 205 located inside the mounting opening 201 and fixedly connected to the cabinet body 1, where the air flow channel has an air inlet and an air outlet, and the air flow channel provides air flow for the heat dissipation main body 205.
The heat radiation structure 2 is a compact complementary structure with the cabinet body 1 as a whole, and the side face of the transformer 4 is mutually attached to the heat radiation structure 2 to form heat radiation to the side face of the transformer 4. The ventilation structure 3 generates an air flow having a certain pressure and sends it into an air flow path, and the other end of the air flow path sends the air flow to the heat dissipation body 205.
The heat dissipation body 205 includes a main heat dissipation portion 2052, a first sub heat dissipation portion 2051, a second sub heat dissipation portion 2053, and an air intake distributor 2054. The main heat dissipation portion 2052 is provided with a wind groove 2058 towards one side in the cabinet body 1, five sides of the wind groove 2058 are provided with plate bodies, the side face of the transformer 4 is attached to the front face, the top of the main heat dissipation portion 2052 is provided with a damping air outlet 20512 communicated with the wind groove 2058, the damping air outlet 20512 is used for reducing the air flow rate, the first auxiliary heat dissipation portion 2051 and the second auxiliary heat dissipation portion 2053 are fixedly connected to the main heat dissipation portion 2052 along two sides of the air flow direction in the wind groove 2058 respectively, a first side air channel is arranged on the connecting face of the first auxiliary heat dissipation portion 2051 and the main heat dissipation portion 2052, a second side air channel is arranged on the connecting face of the second auxiliary heat dissipation portion 2053 and the main heat dissipation portion 2052, the air flow in the first auxiliary heat dissipation portion 2051 passes through the first side air channel supply wind groove 2058, the side face of the air distributor 2054 is provided with a rectangular opening 20514, and the air outlet of the air channel is fixedly connected with the rectangular opening 20514.
The airflow of the airflow channel directly flows into the rectangular opening 20514 and then enters the air inlet distributor 2054, a plurality of first strip-shaped air outlets 2055 connected with the bottom of the ventilation groove 2058 and a plurality of second strip-shaped air outlets 2056 connected with the bottoms of the first auxiliary heat dissipation part 2051 and the second auxiliary heat dissipation part 2053 are formed in the top of the air inlet distributor 2054, the airflow synchronously enters the main heat dissipation part 2052, the first auxiliary heat dissipation part 2051 and the second auxiliary heat dissipation part 2053, the air groove 2058 of the main heat dissipation part 2052 is large, most of the airflow occupies the airflow, the airflow flows from bottom to top, and the airflow contacts the side surface of the transformer 4 to realize heat dissipation of the transformer; in this process, the air flow in the first auxiliary heat dissipation portion 2051 passes through the first side air duct supply air duct 2058, the air flow in the second auxiliary heat dissipation portion 2053 passes through the second side air duct supply air duct 2058, and part of the air flows into the air duct 2058, and the air flows are mixed in the air duct 2058, so that the air flow shape is changed, and the air flow near the side face of the transformer 4 is changed, so that the heat dissipation effect can be improved.
In an embodiment, the air flow channel includes a flexible air pipe 203, a semicircular air guiding shell 204, and an air inlet pipe 202 fixedly connected to the side surface of the cabinet body 1, the side surface of the air inlet pipe 202 has an air inlet and an air outlet, the air outlet of the air inlet pipe 202 is fixedly connected to one end of the flexible air pipe 203, one end of the flexible air pipe 203 far away from the air inlet pipe 202 is fixedly connected to the semicircular air guiding shell 204, and the semicircular air guiding shell 204 provides air flow for the heat dissipating main body 205. The air entering the air flow channel firstly enters the air inlet pipe 202, then enters the flexible air pipe 203, finally enters the semicircular air guide shell 204, and the design of the flexible air pipe 203 enables the structural size and the position to become unfixed, and the design is adjusted by a designer, so that the heat dissipation cabinet with a unified design structure is designed.
In an embodiment, the first side air duct includes a plurality of side portion channels 2057 opened on a side surface of the first auxiliary heat dissipation portion 2051, the side portion channels 2057 are equidistantly distributed along the airflow flowing direction in the air duct 2058, so as to ensure uniformity of airflow flowing, the heat dissipation main body 205 is fixedly connected with side plates 2059 along two sides of the airflow flowing direction in the air duct 2058, and air supply ports 20510 corresponding to the number and positions of the side portion channels 2057 are formed on the side plates 2059. The second side air duct and the first side air duct are of symmetrical structures, the first side air duct is described in detail, and a person skilled in the art can design the corresponding second side air duct.
In an embodiment, the air slots 2058 have flat and shallow slot portions 20581 and deep slot portions 20582 on the inner side, a plurality of flat and shallow slot portions 20581 and deep slot portions 20582 are provided, and the flat and shallow slot portions 20581 and deep slot portions 20582 are alternately arranged along the air flow direction in the air slots 2058, and air deflection assemblies are provided in the inner side of each deep slot portion 20582. The air flows at different speeds in the flat and shallow groove portions 20581 and the deep groove portion 20582, and when the air flows from the deep groove portion 20582 to the flat and shallow groove portion 20581, the air flow cross-sectional area decreases and the flow speed increases; when the gas flows from the flat groove 20581 to the deep groove 20582, the cross-sectional area of the gas flow increases, the flow velocity decreases, and the gas flow changes the flow direction of the gas flow along the contour of the deep groove 20582, so that the gas flow is mixed, and the gas flows supplied from both sides can be mixed.
In one embodiment, the air deflection assembly includes a central air deflection 20511, end air deflection plates 20513 positioned on opposite sides of the central air deflection 20511, the central air deflection plates 20511 are even in number and each incline toward the center of the airflow direction in the air slot 2058 to direct the air toward the middle, a triangular negative pressure region 20515 is formed between the end air deflection plates 20513 and the side plates 2059, and the first side air channels and the second side air channels each correspond to the triangular negative pressure region 20515 in position.
The primary air flow within the air slot 2058 flows along the central air deflector 20511 to create a more central and less two-sided fluid condition and a lower pressure region at the triangular negative pressure region 20515 to facilitate the inflow of the two side make-up air flow.
In one embodiment, the damping air outlet 20512 includes a plurality of right-angle holes, the air flows uniformly, and the sum of the cross-sectional areas of the right-angle holes is smaller than the cross-sectional area of the flow channel formed by the flat slot 20581 and the planar side of the transformer 4. Is used for blocking the outflow of air flow and ensuring that the air flow in the air groove 2058 has a certain pressure.
In one embodiment, the ventilation structure 3 includes a ventilation pipe 301, a disc-shaped air inlet seat 302, and a low-pressure turbo fan 303, where the ventilation pipe 301 has at least one air outlet, and the air outlet is connected with the air inlet of the air inlet pipe 202, the ventilation pipe 301 is fixedly connected with the side surface of the cabinet body 1 or with the ground, the disc-shaped air inlet seat 302 is fixedly connected with the ventilation pipe 301, and the inner cavity of the disc-shaped air inlet seat 302 is communicated with the inner cavity of the ventilation pipe 301, the low-pressure turbo fan 303 is fixedly installed at the top of the disc-shaped air inlet seat 302, and the air outlet of the low-pressure turbo fan 303 is disposed inside the disc-shaped air inlet seat 302.
The low-pressure turbo fan 303 works to generate air flow, the air flow flows into the ventilation pipe 301 through the disc-type air inlet seat 302, then flows into the heat dissipation structure 2 through the air outlets of the ventilation pipe 301, and in a transformer substation, a plurality of heat dissipation cabinets of transformers are used, and the ventilation pipe 301 is provided with a plurality of air outlets, so that the ventilation structure 3 can be shared, and the cost of equipment is reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The heat dissipation cabinet for the transformer comprises a cabinet body (1), wherein a transformer (4) is fixedly arranged in the cabinet body (1), and is characterized in that the transformer (4) is provided with at least one side surface which is a plane, and the side wall of the cabinet body (1) is provided with a heat dissipation structure (2) matched with the side surface of the transformer (4) which is the plane;
the heat dissipation structure (2) comprises an air flow channel, a mounting opening (201) formed in the side face of the cabinet body (1) and a heat dissipation main body (205) which is positioned at the inner side of the mounting opening (201) and fixedly connected with the cabinet body (1), wherein the air flow channel is provided with an air inlet and an air outlet, and the air flow channel provides air flow for the heat dissipation main body (205);
The heat dissipation main body (205) comprises a main heat dissipation part (2052), a first auxiliary heat dissipation part (2051), a second auxiliary heat dissipation part (2053) and an air inlet distributor (2054), wherein an air duct (2058) is arranged on one side of the main heat dissipation part (2052) facing the inside of the cabinet body (1), a damping air outlet (20512) communicated with the air duct (2058) is arranged at the top of the main heat dissipation part (2052), the first auxiliary heat dissipation part (2051) and the second auxiliary heat dissipation part (2053) are fixedly connected to two sides of the main heat dissipation part (2052) along the air flow direction in the air duct (2058) respectively, a first side air duct is arranged on the connecting surface of the first auxiliary heat dissipation part (2051) and the main heat dissipation part (2052), a second side air duct is arranged on the connecting surface of the second auxiliary heat dissipation part (2053) and the main heat dissipation part (2052), a rectangular air outlet (20514) is formed in the side surface of the air inlet distributor (2054), the air outlet of the air duct is fixedly connected with the rectangular air outlet (20514), and the first strip-shaped air outlet (2056) is formed in the bottom of the second auxiliary heat dissipation part (2054) and is communicated with the second strip-shaped air outlet (2056);
The heat dissipation structure (2) is provided with a ventilation structure (3) for supplying pressure-stabilizing air flow.
2. The heat dissipating cabinet for a transformer of claim 1, wherein: the air flow channel comprises a flexible air pipe (203), a semicircular air guide shell (204) and an air inlet pipe (202) fixedly connected with the side face of the cabinet body (1), an air inlet and an air outlet are formed in the side face of the air inlet pipe (202), the air outlet of the air inlet pipe (202) is fixedly connected with one end of the flexible air pipe (203), one end, far away from the air inlet pipe (202), of the flexible air pipe (203) is fixedly connected with the semicircular air guide shell (204), and the semicircular air guide shell (204) provides air flow for a radiating main body (205).
3. The heat dissipating cabinet for a transformer of claim 1, wherein: the first side air flue comprises a side surface part channel (2057) formed in the side surface of the first auxiliary radiating part (2051), the side surface part channel (2057) is provided with a plurality of side surface part channels (2058), the side surface part channels are distributed at equal intervals along the airflow flowing direction in the air flue (2058), the radiating main body (205) is fixedly connected with side plates (2059) along the two sides of the airflow flowing direction in the air flue (2058), and air supply ports (20510) corresponding to the number and the positions of the side surface part channels (2057) are formed in the side plates (2059).
4. The heat dissipating cabinet for a transformer of claim 1, wherein: the inner side of the air duct (2058) is provided with a flat shallow groove part (20581) and a deep groove part (20582), the flat shallow groove part (20581) and the deep groove part (20582) are all provided with a plurality of air duct assemblies, the flat shallow groove parts (20581) and the deep groove parts (20582) are alternately arranged along the air flow direction in the air duct (2058), and the inside of each deep groove part (20582) is provided with an air deflector assembly.
5. The heat dissipating cabinet for a transformer of claim 4, wherein: the air deflector assembly comprises a middle air deflector (20511) and end air deflectors (20513) positioned on two sides of the middle air deflector (20511), wherein the middle air deflector (20511) is even in number and is inclined towards the center of the airflow flowing direction in the air groove (2058), a triangular negative pressure area (20515) is formed between the end air deflector (20513) and the side plate (2059), and the first side air duct and the second side air duct are corresponding to the triangular negative pressure area (20515) in position.
6. The heat dissipating cabinet for a transformer of claim 4, wherein: the damping air outlet (20512) comprises a plurality of right angle holes, and the sum of the sectional areas of the right angle holes is smaller than the sectional area of a flow channel formed by the flat groove part (20581) and the side surface of the transformer (4) which is a plane.
7. The heat dissipating cabinet for a transformer of claim 2, wherein: the utility model provides a ventilation structure (3) is including ventilation pipe (301), disk type air inlet seat (302), low pressure turbine fan (303), ventilation pipe (301) have an air outlet at least, and air outlet and air intake connection of air-supply line (202), ventilation pipe (301) and the side of cabinet body (1) or with ground fixed connection, disk type air inlet seat (302) and ventilation pipe (301) fixed connection, and the inner chamber of disk type air inlet seat (302) communicates with the inner chamber of ventilation pipe (301), low pressure turbine fan (303) fixed mounting is at the top of disk type air inlet seat (302), and the air outlet setting of low pressure turbine fan (303) is in the inside of disk type air inlet seat (302).
8. The heat dissipating cabinet for a transformer of claim 1, wherein: the inside of the cabinet body (1) is fixedly connected with a separation plate (5), the separation plate (5) divides the inside of the cabinet body (1) into a transformer installation chamber and a power distribution assembly installation chamber, a single door body (14) is connected to the side face of the transformer installation chamber in a hinge manner, and a double door body (13) is connected to the side face of the power distribution assembly installation chamber in a hinge manner;
and a radiating hole (15) communicated with the transformer installation chamber is formed in the side face of the cabinet body (1).
9. The heat dissipating cabinet for a transformer of claim 8, wherein: the bottom of the cabinet body (1) is fixedly connected with a rectangular steel pipe support (12).
10. The heat dissipating cabinet for a transformer of claim 8, wherein: first mounting hole (6), through wires hole (7) have been seted up to the upper surface of division board (5), the top of division board (5) is through bolt fixed mounting has front row mounting bracket (8), back row mounting bracket (9), the position of front row mounting bracket (8) and back row mounting bracket (9) stagger each other, third mounting hole (11) have been seted up on front row mounting bracket (8), second mounting hole (10) have been seted up on back row mounting bracket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410302141.2A CN117912799B (en) | 2024-03-18 | 2024-03-18 | Heat dissipation cabinet for transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410302141.2A CN117912799B (en) | 2024-03-18 | 2024-03-18 | Heat dissipation cabinet for transformer |
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| CN117912799A true CN117912799A (en) | 2024-04-19 |
| CN117912799B CN117912799B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410302141.2A Active CN117912799B (en) | 2024-03-18 | 2024-03-18 | Heat dissipation cabinet for transformer |
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| CN219180311U (en) * | 2023-01-03 | 2023-06-13 | 中车株洲电力机车有限公司 | Auxiliary transformer cabinet for locomotive |
| CN219287001U (en) * | 2023-02-08 | 2023-06-30 | 阳光电源股份有限公司 | Cabinet and transformer substation for photovoltaic power generation |
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| CN205622075U (en) * | 2016-05-23 | 2016-10-05 | 浙江琦美电气有限公司 | Distribution cabinet |
| CN206196222U (en) * | 2016-11-02 | 2017-05-24 | 浙江蔚庭新能源科技有限公司 | Energy -saving computer server cooling device |
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| CN219287001U (en) * | 2023-02-08 | 2023-06-30 | 阳光电源股份有限公司 | Cabinet and transformer substation for photovoltaic power generation |
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| Publication number | Publication date |
|---|---|
| CN117912799B (en) | 2024-06-04 |
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