CN110880705A - Heat dissipation top cap, transformer substation box and box-type transformer substation - Google Patents
Heat dissipation top cap, transformer substation box and box-type transformer substation Download PDFInfo
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- CN110880705A CN110880705A CN201911250412.XA CN201911250412A CN110880705A CN 110880705 A CN110880705 A CN 110880705A CN 201911250412 A CN201911250412 A CN 201911250412A CN 110880705 A CN110880705 A CN 110880705A
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- opening
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- cap
- hood
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 127
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a heat dissipation top cover, a transformer substation box body and a box-type transformer substation, and relates to the technical field of transformer substation heat dissipation structures, wherein the heat dissipation top cover comprises a fixed top cover and a heat dissipation hood; the top of fixed top cap is provided with the opening, and the heat dissipation hood supports in the opening top through fixed top cap, and covers the opening, is provided with the heat dissipation passageway with the opening intercommunication between fixed top cap and the heat dissipation hood, and the heat in the fixed top cap can be discharged through opening and along heat dissipation passageway. Because the top of fixed top cap is provided with the opening, the heat dissipation hood supports in the opening top and covers the opening through fixed top cap, prevents on the one hand that the rainwater from entering into fixed top cap through the opening in, on the other hand makes the hot gas flow can loop through opening and heat dissipation channel after rising naturally and discharges, has guaranteed the normal heat-sinking capability of case becomes, and makes the case become no longer rely on the fan to carry out forced ventilation, has reduced the power consumption, also need not worry because of the fan trouble influences the normal operating of case becomes.
Description
Technical Field
The invention relates to the technical field of radiating structures of substations, in particular to a radiating top cover, a substation box body and a box-type substation.
Background
A box-type substation (box transformer substation for short), also called a pre-installed substation or a pre-installed substation; the box-type substation is characterized in that high-voltage distribution equipment, a transformer equipment, low-voltage distribution equipment and the like are combined and installed in a moisture-proof, heat-insulating, totally-enclosed and conveniently-moved steel structure box body.
With the requirement on the protection level and the temperature rise of the box transformer substation being promoted year by year, the research on the heat dissipation structure of the box transformer substation meeting the requirement on the temperature rise becomes the key work of each manufacturer. The steel structure box that the case becomes mainly includes box and top cap, and in order to improve the heat dissipation ventilation effect that the case becomes, most producers all adopt mandatory ventilation structure, set up the heat dissipation window on the box or on the top cap, and the fan is installed to the case becomes interior, passes through the heat dissipation window through the heat of fan with the case becomes and discharges.
However, the fan is a vulnerable part, so that the situation that the fan is damaged and not found in time exists, and potential hazards exist in safe operation of the box transformer substation.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a heat-radiating top cover, a transformer substation box body and a box-type transformer substation, and aims to solve the technical problems that an existing box-type transformer substation ventilation structure is high in energy consumption and has potential safety hazards in operation of the transformer substation.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the invention provides a heat dissipation top cover, which comprises a fixed top cover and a heat dissipation hood;
the top of fixed top cap is provided with the opening, the heat dissipation hood passes through fixed top cap support in the opening top, and cover the opening, fixed top cap with be provided with the heat dissipation passageway with the opening intercommunication between the heat dissipation hood, the heat in the fixed top cap can pass through the heat dissipation passageway discharges.
Further, the fixed top cover comprises a top cover body and a rain shielding part;
the rain shielding part is arranged along the outline of the opening, extends towards the upper part of the top cover body and is used for blocking rainwater on the top surface of the top cover body from entering the top cover body through the opening;
the heat dissipation hood is supported on the rain shielding part, and the heat dissipation channel is formed between the outer wall of the rain shielding part and the inner side wall of the heat dissipation hood in an enclosing mode.
Furthermore, the outer contour of the heat dissipation hood and the opening are both circular, and the diameter of the outer contour of the heat dissipation hood is larger than that of the opening.
Furthermore, the fixed top cover also comprises an installation part fixedly connected in the top cover body;
the installation department is last to be provided with a plurality of first thermovents, the inboard of installation department is provided with to cover a plurality ofly first thermovent's first protecting wire net.
Furthermore, the side of top cap body is provided with a plurality of second thermovents, the inside wall of top cap body is provided with covers a plurality of the second protecting net of second thermovent.
Furthermore, on the lateral wall of top cap body and be located second thermovent department is provided with rain-proof fender, rain-proof fender is used for preventing the precipitation warp the second thermovent enters into in the top cap body.
Furthermore, follow the lower edge profile of top cap body is provided with prevents keeping off eaves against the current, prevent keeping off eaves against the current and be used for preventing the rainwater along the lateral wall of top cap body flows into in the top cap body.
The invention provides a transformer substation box body which comprises a box body and a heat dissipation top cover, wherein the heat dissipation top cover is arranged on the box body;
the heat dissipation top cover is supported on the box body, a ventilation assembly is arranged on the box body, and external air flow can enter the box body through the ventilation assembly.
Further, the ventilation assembly includes a louver;
the louver is arranged in a plurality of numbers, the louver is arranged on the box body, and a third protecting net covering the louver is arranged on the inner wall of the box body.
The invention provides a box-type transformer substation, which comprises a transformer substation box body;
waterproof coiled materials are paved on the top surface of the fixed top cover and the top surface of the heat dissipation hood.
By combining the technical scheme, the invention has the beneficial effects that:
the invention provides a heat dissipation top cover, which comprises a fixed top cover and a heat dissipation hood; the top of fixed top cap is provided with the opening, and the heat dissipation hood supports in the opening top through fixed top cap, and covers the opening, is provided with the heat dissipation passageway with the opening intercommunication between fixed top cap and the heat dissipation hood, and the heat in the fixed top cap can be discharged through opening and along heat dissipation passageway.
Because the top of fixed top cap is provided with the opening, the heat dissipation hood supports in the opening top and covers the opening through fixed top cap, prevents on the one hand that the rainwater from entering into fixed top cap through the opening in, on the other hand makes the hot gas flow can loop through opening and heat dissipation channel after rising naturally and discharges, has guaranteed the normal heat-sinking capability of case becomes, and makes the case become no longer rely on the fan to carry out forced ventilation, has reduced the power consumption, also need not worry because of the fan trouble influences the normal operating of case becomes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a heat dissipation top cover according to an embodiment of the present invention at a first viewing angle;
fig. 2 is a schematic structural diagram of the heat dissipating top cap according to the embodiment of the present invention at a second viewing angle;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic structural diagram of a substation box provided in the embodiment of the present invention.
Icon: 100-fixing the top cover; 101-an opening; 110-a cap body; 111-rain-proof shield; 112-backflow prevention eaves; 120-rain shield; 130-a mounting portion; 131-a first heat dissipation port; 200-heat dissipation hood; 300-a box body; 400-a ventilation assembly.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides a heat-dissipating top cover including a fixed top cover 100 and a heat-dissipating hood 200; the top of the fixed top cover 100 is provided with an opening 101, the heat dissipation hood 200 is supported above the opening 101 through the fixed top cover 100 and covers the opening 101, a heat dissipation channel communicated with the opening 101 is arranged between the fixed top cover 100 and the heat dissipation hood 200, and heat in the fixed top cover 100 can be discharged through the heat dissipation channel.
Specifically, the opening 101 may be configured as a circle, a rectangle, or another polygonal structure, and preferably, the projection shape of the heat dissipation hood 200 in the horizontal plane is the same as the shape of the opening 101; the heat dissipation hood 200 covers the opening 101, that is, the projection area of the heat dissipation hood 200 in the horizontal plane is larger than the area of the opening 101, so that rainfall is prevented from directly entering the fixed top cover 100 through the opening 101, and the whole shape formed by combining the heat dissipation hood 200 and the fixed top cover 100 is pyramid-shaped, so that the rainfall can slide down to the ground under the action of gravity after falling on the heat dissipation hood 200 or the fixed top cover 100. When the heat dissipation top cover in this embodiment is applied to a box body of a substation, hot air in the substation naturally rises and enters the heat dissipation hood 200 through the opening 101, and then is discharged out of the substation through the heat dissipation channel.
The heat dissipation top cap that this embodiment provided, because the top of fixed top cap 100 is provided with opening 101, heat dissipation hood 200 supports in opening 101 top and covers opening 101 through fixed top cap 100, prevent on the one hand that the rainwater from entering into fixed top cap 100 through opening 101 in, on the other hand makes the hot gas flow can loop through opening 101 and heat dissipation channel after rising naturally and discharges, the normal heat-sinking capability of case becomes has been guaranteed, and make the case become no longer rely on the fan to carry out forced ventilation, the power consumption has been reduced, also need not worry because of the fan trouble influences the normal operating of case becomes.
On the basis of the above embodiments, further, the fixed top cover 100 in the heat dissipation top cover provided by the present embodiment includes a top cover body 110 and a rain shielding part 120; the rain shielding part 120 is arranged along the contour of the opening 101, the rain shielding part 120 extends towards the upper part of the top cover body 110, and the rain shielding part 120 is used for blocking rainwater on the top surface of the top cover body 110 from entering the top cover body 110 through the opening 101; the heat dissipation hood 200 is supported on the rain shielding part 120, and a heat dissipation channel is formed between the outer wall of the rain shielding part 120 and the inner side wall of the heat dissipation hood 200.
Specifically, the rain shielding part 120 is a rain shielding plate, the rain shielding part 120 is welded on the top cover body 110, or the rain shielding part 120 and the top cover body 110 are integrally formed by a sheet metal process; the rain shield 120 is provided along the contour of the opening 101 so that the projection shape of the rain shield 120 in the horizontal plane is the same as the shape of the opening 101; since the rain shield 120 extends toward the upper side of the roof, rainwater on the top surface of the roof body 110 is blocked from entering into the roof body 110 through the opening 101. A connecting rod may be disposed between the rain shielding part 120 and the heat dissipation hood 200, one end of the connecting rod is welded on the inner wall of the hood, and the other end of the connecting rod is welded on the outer wall of the rain shielding part 120, so as to fix the heat dissipation hood 200 on the rain shielding part 120; or, a vertically arranged stud is welded in the heat dissipation hood 200, a horizontal mounting plate is welded on the rain shielding part 120, a mounting hole is formed in the mounting plate, one end, far away from the hood, of the stud penetrates through the mounting hole and is fixed on the mounting plate through a connecting nut, and the mounting height of the heat dissipation hood 200 can be adjusted by adjusting the length of the stud penetrating through the mounting hole. A heat radiation passage is defined between the outer wall surface of the rain shield 120 and the inner wall surface of the side surface of the heat radiation hood 200.
Further, the outer contour of the cooling wind cap 200 and the opening 101 are both circular, and the diameter of the outer contour of the cooling wind cap 200 is larger than that of the opening 101.
Specifically, the projection of heat dissipation hood 200 in the horizontal plane is circular, opening 101 sets up to circular, and the corresponding projection of portion of keeping out the rain 120 in the horizontal plane also is circular, and the vertical setting of portion of keeping out the rain 120, heat dissipation hood 200 cover are established on portion of keeping out the rain 120, enclose the heat dissipation channel who establishes the torus shape between the outer wall of portion of keeping out the rain 120 and the internal wall of heat dissipation hood 200 side.
As an alternative embodiment of this embodiment, the outer contour of the heat dissipation hood 200 and the opening 101 are both square, the side length of the outer contour of the heat dissipation hood 200 is greater than the side length of the opening 101, and a heat dissipation channel in a zigzag structure is enclosed between the outer wall surface of the rain shielding part 120 and the inner wall surface of the side surface of the heat dissipation hood 200.
According to the heat dissipation top cover provided by the embodiment, the rain shielding part 120 is arranged along the outline of the opening 101, and the rain shielding part 120 extends towards the upper part of the top cover body 110, so that a good blocking effect is achieved on rainwater on the top cover body 110, and the rainwater is prevented from entering the top cover body 110 through the opening 101; the heat dissipation channel is formed by enclosing the outer wall of the rain shielding part 120 and the inner side wall of the heat dissipation hood 200, hot air in the heat dissipation top cover can be directly discharged through the heat dissipation channel, the structure is simple, and the heat dissipation efficiency is high.
On the basis of the above embodiments, further, as shown in fig. 2 and fig. 3, the fixed top cover 100 further includes a mounting portion 130 fixedly connected to the inside of the top cover body 110; the mounting portion 130 is provided with a plurality of first heat dissipation ports 131, and a first protective net covering the plurality of first heat dissipation ports 131 is disposed inside the mounting portion 130.
Specifically, the mounting portion 130 is an integrally formed mounting plate, the mounting portion 130 is welded in the top cover body 110, or the mounting portion 130 is integrally connected with the top cover body 110, a plane where the mounting portion 130 is located is parallel to a horizontal plane, the mounting portion 130 is used for fixedly mounting the heat dissipation top cover in the embodiment on the box body 300 of the substation, the first heat dissipation opening 131 is an opening 101 formed in the mounting portion 130, and the shape of the first heat dissipation opening 131 can be circular, square or other polygons; the first heat dissipation opening 131 is preferably disposed at a position where the mounting portion 130 is close to the top cover body 110, and a position where the mounting portion 130 is far away from the top cover body 110 is reserved for mounting and matching with the box body 300 of the substation. First protecting wire net sets up in the inboard of installation department 130 also on the top surface of installation department 130, and the preferred, first protecting wire net sets up to the wire net, and the wire net welding is on the top surface of installation department 130, and first protection network plays and filters and isolation effect, prevents that birds or other foreign matters from entering into to the top cap body 110 in through first thermovent 131.
Further, the side of the top cover body 110 in the heat dissipation top cover provided by this embodiment is provided with a plurality of second heat dissipation openings, and the inner side wall of the top cover body 110 is provided with a second protective net covering the plurality of second heat dissipation openings.
Specifically, the first heat dissipation opening 131 is an opening 101 disposed on a side surface of the top cover body 110, and the shape of the second heat dissipation opening may be a circle, a square, or another polygon; the second protecting wire net sets up to the wire net, and the welding of second protecting wire net is on the inner wall of top cap body 110 side, and the second protection network also plays filtration and isolation, prevents that birds or other foreign matters from entering into to top cap body 110 in through the second thermovent.
Further, on the lateral wall of top cap body 110 and be located second heat sink department and be provided with rain-proof fender 111, rain-proof fender 111 is used for preventing the precipitation from entering into top cap body 110 through the second heat sink.
Specifically, rain-proof fender 111 sets up to the structure of "rain-proof cover" form, and rain-proof fender 111 covers the one side of establishing at the second thermovent, and the quantity of rain-proof fender 111 is the same with the quantity of second thermovent, and rain-proof fender 111 can solitary welding on the lateral wall of top cap body 110, or second thermovent, rain-proof fender 111 and top cap body 110 pass through stamping process integrated into one piece. The rain-proof shield 111 makes the precipitation directly slide along the outer wall of the rain-proof shield 111, and does not enter into the top cover body 110 through the second heat dissipation opening.
Further, an anti-backflow blocking eaves 112 is arranged along the lower edge profile of the top cover body 110, and the anti-backflow blocking eaves 112 are used for preventing rainwater from flowing into the top cover body 110 along the side wall of the top cover body 110.
Specifically, the backflow-preventing eaves 112 are arranged below the mounting portion 130 along the lower contour line of the top cover body 110 and welded to the top cover body 110, and the backflow-preventing eaves 112 can be a baffle plate which is horizontally arranged or inclined towards the lower side, so that rainwater on the side wall of the top cover body 110 slides down to the ground along the backflow-preventing eaves 112.
In the heat dissipation top cover provided by the embodiment, by additionally providing the first heat dissipation port 131 and the second heat dissipation port, the air flow with low external temperature can enter the top cover body 110 through the first heat dissipation port 131 and the second heat dissipation port, and the air flow with high temperature in the top cover body 110 can be discharged through the first heat dissipation port 131 and the second heat dissipation port, so that the heat dissipation capability of the top cover body 110 is improved; through setting up rain-proof fender 111, avoided the precipitation to get into to the top cap body 110 through the second thermovent in, through setting up to prevent flowing backward and keep off eaves 112, avoided the rainwater to flow into to the top cap body 110 along the lateral wall of top cap body 110 in, improved the rain-proof grade of the heat dissipation top cap that this embodiment provided, the safety in utilization is better.
On the basis of the foregoing embodiment, as shown in fig. 4, further, the substation box provided in this embodiment includes a box body 300 and a heat dissipation top cover; the heat dissipation top cover is supported on the box body 300, the ventilation assembly 400 is arranged on the box body 300, and external air can enter the box body 300 through the ventilation assembly 400.
Specifically, the box body 300 is rectangular, the heat dissipation top cover is fixedly supported on the box body 300 through a reserved position on the mounting portion 130 in the above embodiment, and the mounting portion 130 can be connected with the box body 300 through welding or bolt fixing; the ventilation assembly 400 may be provided as a ventilation opening or a ventilation window, so that an air flow having a relatively low external temperature can enter the case body 300, that is, the heat-dissipating top cover, through the ventilation assembly 400.
Further, the ventilation assembly 400 includes a louver; the louver is provided in plurality, and a plurality of louvers are all installed in the box body 300, and the inner wall of the box body 300 is provided with a third protection net covering the louver.
Specifically, the plurality of louvers are respectively installed on a plurality of side surfaces of the rectangular parallelepiped structure of the box body 300, and the plurality of louvers are matched to further increase the rate of cooling airflow entering the box body 300, so that the louvers also have good rainproof capability; the third protecting wire net also sets up to the wire net, and the third protecting wire net welding also plays and filters and isolation, prevents that birds or other foreign matters from entering into in the box body 300 through the shutter on the inner wall of box body 300.
In the transformer substation box provided by the embodiment, the heat dissipation top cover and the box body 300 are combined to form a complete transformer substation box structure, external cooling airflow enters the transformer substation box through the plurality of shutters to cool related equipment, and the airflow with higher temperature gradually rises and converges, enters the heat dissipation hood 200 from the opening 101, and is finally discharged through the heat dissipation channel; in addition, the hot air flow in the transformer substation box body can also interact with the external cooling air flow through the first heat dissipation port 131 and the second heat dissipation port, and the heat dissipation capacity of the transformer substation box body provided by the embodiment is further improved.
On the basis of the above embodiment, further, the box-type substation provided by this embodiment includes a substation box; waterproof rolls are laid on both the top surface of the fixed top cover 100 and the top surface of the heat dissipation hood 200.
Specifically, the waterproof roll may be any one of a self-adhesive waterproof roll, waterproof rubber, and asphalt, and preferably, the waterproof roll is a self-adhesive waterproof roll; by arranging the waterproof coiled material, on one hand, the rainproof and anti-seepage capabilities of the top cover body 110 and the heat dissipation hood 200 can be increased, the sealing performance is improved, and the service life of the transformer substation box body is prolonged; on the other hand, the waterproof coiled material is soft in quality, so that the waterproof coiled material has good absorption capacity on sound waves, the sound of rainwater dropping on the transformer substation box body can be reduced, and the noise pollution is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A heat dissipating header, comprising: a fixed top cover (100) and a heat dissipation hood (200);
the top of fixed top cap (100) is provided with opening (101), heat dissipation hood (200) pass through fixed top cap (100) support in opening (101) top, and cover opening (101), fixed top cap (100) with be provided with between heat dissipation hood (200) with the heat dissipation passageway of opening (101) intercommunication, the heat in fixed top cap (100) can pass through opening (101) and follow the heat dissipation passageway discharges.
2. The heat dissipating cap according to claim 1, wherein the fixed cap (100) comprises a cap body (110) and a rain shield (120);
the rain shielding part (120) is arranged along the outline of the opening (101), the rain shielding part (120) extends towards the upper part of the top cover body (110), and the rain shielding part (120) is used for blocking rainwater on the top surface of the top cover body (110) from entering the top cover body (110) through the opening (101);
the heat dissipation hood (200) is supported on the rain shielding part (120), and the heat dissipation channel is formed by enclosing between the outer wall of the rain shielding part (120) and the inner side wall of the heat dissipation hood (200).
3. The heat dissipating cap according to claim 2, characterized in that the outer contour of the heat dissipating hood (200) and the opening (101) are circular, the diameter of the outer contour of the heat dissipating hood (200) being larger than the diameter of the opening (101).
4. The heat dissipating cap of claim 2, wherein the fixed cap (100) further comprises a mounting portion (130) fixedly attached within the cap body (110);
the heat dissipation device is characterized in that a plurality of first heat dissipation openings (131) are formed in the installation portion (130), and a first protection net covering the plurality of first heat dissipation openings (131) is arranged on the inner side of the installation portion (130).
5. The heat dissipation top cover according to claim 4, wherein a plurality of second heat dissipation openings are formed in a side surface of the top cover body (110), and a second protective net covering the plurality of second heat dissipation openings is formed in an inner side wall of the top cover body (110).
6. The heat dissipating cap according to claim 5, characterized in that a rain-proof shield (111) is provided on the outer sidewall of the cap body (110) at the second heat dissipating port, the rain-proof shield (111) being used to prevent precipitation from entering the cap body (110) through the second heat dissipating port.
7. The heat dissipation top cover according to claim 4, wherein a backflow prevention eaves (112) is arranged along the lower edge profile of the top cover body (110), and the backflow prevention eaves (112) is used for preventing rainwater from flowing into the top cover body (110) along the side wall of the top cover body (110).
8. A substation cabinet, characterized in that it comprises a cabinet body (300), a ventilation assembly (400) and a heat dissipating roof according to any one of claims 1 to 7;
the heat dissipation top cover is supported on the box body (300), the ventilation assembly (400) is installed on the box body (300), and external air flow can enter the box body (300) through the ventilation assembly (400).
9. A substation cabinet according to claim 8, wherein the ventilation assembly (400) comprises a louver;
the number of the louver is multiple, the louver is respectively installed on the multiple side surfaces of the box body (300), and a third protecting net covering the louver is arranged on the inner wall of the box body (300).
10. A box substation, comprising a substation enclosure according to any one of claims 8-9;
waterproof coiled materials are paved on the top surface of the fixed top cover (100) and the top surface of the heat dissipation hood (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250412.XA CN110880705A (en) | 2019-12-09 | 2019-12-09 | Heat dissipation top cap, transformer substation box and box-type transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250412.XA CN110880705A (en) | 2019-12-09 | 2019-12-09 | Heat dissipation top cap, transformer substation box and box-type transformer substation |
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| CN110880705A true CN110880705A (en) | 2020-03-13 |
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| CN201911250412.XA Pending CN110880705A (en) | 2019-12-09 | 2019-12-09 | Heat dissipation top cap, transformer substation box and box-type transformer substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20200313 |