CN113473799B

CN113473799B - Radiating and exhausting system of box-type converter

Info

Publication number: CN113473799B
Application number: CN202110661735.9A
Authority: CN
Inventors: 唐春秀; 姚宁; 米高祥; 周力民; 卢东辉; 王景霄
Original assignee: NR Electric Co Ltd; NR Engineering Co Ltd; Changzhou NR Electric Power Electronics Co Ltd
Current assignee: NR Electric Co Ltd; NR Engineering Co Ltd; Changzhou NR Electric Power Electronics Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2023-06-23
Anticipated expiration: 2041-06-15
Also published as: CN113473799A

Abstract

The invention discloses a radiating and air exhausting system of a box-type converter, which comprises a box body, wherein the converter is arranged in the box body; the converter is provided with an air inlet and an air outlet, the air inlet is positioned below the converter, and the air outlet is positioned at the top of the converter; the air inlet device is arranged below the side wall of the box body in the length direction and is opposite to the air inlet; the air outlet device is arranged above the box body; the heat dissipation and exhaust system has good dustproof and waterproof functions, and the wind scooper and the self-hanging shutter are combined for use, so that rainwater, wind sand, foreign matters and the like can be effectively prevented from entering the box body; the heat dissipation and exhaust system can prevent hot air from flowing back; the arrangement of the air outlet can ensure that the hot air flow of the air outlet blows out in the horizontal direction, the air flow of the air inlet cannot be influenced, the hot air is prevented from converging, and the heat dissipation effect of the container is improved.

Description

Radiating and exhausting system of box-type converter

Technical Field

The invention relates to the field of heat dissipation of converters, in particular to a heat dissipation and exhaust system of a box-type converter.

Background

The container type converter has the advantages of convenient installation and transportation, low manufacturing cost, good protection and the like, and is increasingly widely applied to large-scale power stations. The converters are arranged in the container in a limited space, and the converters have higher heat productivity and have higher requirements on heat dissipation of the whole system. At present, the conventional scheme of the heat dissipation and exhaust system is to suck cold air from an air inlet at the lower part of the container and exhaust hot air from an air outlet at the upper part of the container through an air duct. For rain-proof dustproof, conventional air outlet can install water conservancy diversion protection fan housing, and the direction is down, simple structure easily realizes, but this kind of air-out direction is down heat dissipation exhaust system design, can lead to lower part air intake to inhale upper portion air outlet exhaust hot-blast, forms the phenomenon of hot-blast backward flow, leads to box inside temperature to rise, influences the heat dispersion of converter, can lead to even that equipment temperature is too high and unable normal operating.

Disclosure of Invention

This section is intended to summarize some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, which may be simplified or omitted from the present section and description abstract and title of the application to avoid obscuring the objects of this section, description abstract and title, and which is not intended to limit the scope of this invention.

The present invention has been made in view of the above and/or problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that the design scheme of the heat dissipation and exhaust system with the downward air outlet direction can lead the lower air inlet to suck the hot air exhausted by the upper air outlet, so as to form a phenomenon of hot air backflow, lead the temperature in the box body to rise, influence the heat dissipation performance of the converter and even lead the temperature of equipment to be too high to be capable of running normally.

In order to solve the technical problems, the invention provides the following technical scheme: the radiating exhaust system of the box-type converter comprises a box body, wherein the converter is arranged in the box body; the converter is provided with an air inlet and an air outlet, the air inlet is positioned below the converter, and the air outlet is positioned at the top of the converter; the air inlet device is arranged below the side wall of the box body in the length direction and is opposite to the air inlet; the air outlet device is arranged at the upper position of the box body.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: an inner air channel is arranged in the box body, one end of the inner air channel is connected with the air outlet, and the other end of the inner air channel is connected with the air outlet device.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the air inlet device is fixed on the outer side of the side wall of the box body and comprises an air inlet window, dustproof filter cotton and a fixed lining frame, wherein the air inlet window comprises a window frame and a plurality of blades uniformly distributed in the window frame, and the fixed lining frame is an integral structure frame and is fixed on the inner side of the wall of the box body and used for limiting and fixing the dustproof filter cotton.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the blade comprises an air guide part which is inclined upwards from the outer side to the inner side of the window frame, the upper end of the air guide part folds towards the outer side of the window frame to form an upper water retaining part, the lower end of the air guide part extends downwards to form a vertical plate, and the lower end of the vertical plate extends to the inner side of the window frame along with a section of transverse plate to form a lower water retaining part.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the lower water retaining parts of the blades above are lower than the upper water retaining parts of the blades below, and a plurality of blades form staggered arrangement; the blade further comprises a connecting part fixed with the window frame, and the connecting part is provided with a connecting hole.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the air outlet device comprises an air guide cover, a supporting frame, a shutter and a steel wire mesh plate, wherein one end of the air guide cover is an air inlet end connected with the outer wall of the box body, the other end of the air guide cover is an air outlet end, the supporting frame is embedded between the air inlet end and the air outlet end, the shutter is arranged on the supporting frame, and the steel wire mesh plate is arranged at the air outlet end.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the wind scooper main body comprises a top surface, a bottom surface and side surfaces; the top surface, the bottom surface and the side surfaces enclose an air inlet end and an air outlet end of the air guide cover.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the cross section of the top surface is of a bending structure, one section close to the air inlet end is a horizontal plane, the other section is a lower inclined plane formed by being horizontally arranged in a downward direction, and the bending angle of the lower inclined plane is 3-10 degrees; the cross section of bottom surface is the structure of buckling and the angle of buckling with the top surface keeps unanimous, the top surface is close to the air-out end and is equipped with a plurality of drip hole A.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the inclination angle of the supporting frame and the vertical direction is 3-10 degrees, and the shutter is arranged on the supporting frame.

As a preferable scheme of the heat dissipation and exhaust system of the box-type converter, the invention comprises the following steps: the shutter comprises a plurality of evenly distributed blades and a linkage mechanism, wherein one side edge of each blade in the length direction is used as a central shaft to be connected with the supporting frame in a rotating mode, the linkage mechanism comprises a connecting rod and a linkage rod, one end of each connecting rod is connected with the linkage rod in a rotating mode and evenly distributed, and the other end of each connecting rod is connected with each blade.

The invention has the beneficial effects that: the heat dissipation and exhaust system has good dustproof and waterproof functions, and the wind scooper and the self-hanging shutter are combined for use, so that rainwater, wind sand, foreign matters and the like can be effectively prevented from entering the box body; the heat dissipation and exhaust system can prevent hot air from flowing back; the arrangement of the air outlet can ensure that the hot air flow of the air outlet blows out horizontally, the air flow of the air inlet is not influenced, the hot air is prevented from converging, and the heat dissipation effect of the container is improved; the heat dissipation exhaust system realizes good ventilation effect, simultaneously has waterproof and dustproof functions, and has higher practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic structural diagram of a heat dissipation and exhaust system of a box-type converter according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air inlet device in a heat dissipation and exhaust system of a box-type converter according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partial enlarged structure of fig. 2 in a heat dissipation and exhaust system of a box-type converter according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an air outlet device in a heat dissipation and exhaust system of a box-type converter according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure of an air outlet device in a heat dissipation and exhaust system of a box-type converter according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a shutter close-fitting structure in a heat dissipation and exhaust system of a box-type converter according to an embodiment of the present invention.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, the present embodiment provides a heat dissipation and exhaust system of a box-type converter, which is used for dissipating heat of converters of heating devices arranged side by side in a longitudinal direction and placed in a container; the container comprises a container body 100, wherein the container body 100 is a container; the converter 200 is installed inside the box 100; the converter 200 is provided with an air inlet 201 and an air outlet 202, the air inlet 201 is positioned below the converter 200 and is opposite to the air inlet device, so that cold air can enter conveniently; the air outlet 202 is positioned at the top of the converter 200; also included are an air intake device 300 and an air outlet device 400; the air inlet device 300 is arranged at a position below the side wall of the box body 100 in the length direction and is opposite to the air inlet 201; the air outlet device 400 is arranged above the box body 100 and is close to the air outlet 202; an inner air duct 500 is arranged in the box body 100, one end of the inner air duct 500 is connected with the air outlet 202, and the other end is connected with the air outlet device 400. The air outlet direction of the air outlet device 400 is approximately horizontal; it should be noted that the air inlet device 300 and the air outlet device 400 are disposed in a plurality and in a row; the converter 200 is internally provided with at least one heat dissipation fan, at least one air inlet and at least one air outlet, and the heat in the converter can be directly guided to the outside of the box body by utilizing the heat dissipation fan.

Example 2

Referring to fig. 1 to 6, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that:

the air inlet device 300 is fixed on the outer side of the side wall of the box body 100, and comprises an air inlet window 301, dustproof filter cotton 302 and a fixed lining frame 303, wherein the air inlet window 301 comprises a window frame 301a and a plurality of blades 301b uniformly distributed in the window frame 301a, and the fixed lining frame 303 is a whole structure frame and is fixed on the inner side of the wall of the box body 100 and used for limiting and fixing the dustproof filter cotton 302.

Specifically, the blade 301b includes an air guiding portion 301b-1 inclined upward from the outer side to the inner side of the window frame 301a, the upper end of the air guiding portion 301b-1 is folded toward the outer side of the window frame 301a to form an upper water blocking portion 301b-2, the lower end of the air guiding portion 301b-1 extends downward to form a vertical plate 301b-3, and the lower end of the vertical plate 301b-3 extends forward to the inner side of the window frame 301a along a section of a transverse plate to form a lower water blocking portion 301b-4.

Wherein, the lower water blocking part 301b-4 of the upper blade 301b is lower than the upper water blocking part 301b-2 of the lower blade 301b, and a plurality of blades 301b are arranged in a staggered manner; the structural design of the blade 301b ensures that the air outside needs to enter the box by detour through the S-shaped curve, thereby increasing the blocking effect on rainwater and sand; preferably, the blade 301b further includes a connection portion 301b-5 fixed to the window frame 301a, and the connection portion 301b-5 is provided with a connection hole 301b-6. The connection holes 301b-6 are screw connection holes, so that the blades can be easily assembled and disassembled.

Preferably, the dustproof filter cotton integral plate type structure is used for further dust prevention, the market is common, and redundant description is omitted here.

Further, the air outlet device 400 includes an air guiding cover 401, a supporting frame 402, a shutter 403, and a wire mesh plate 404, wherein one end of the air guiding cover 401 is an air inlet end 401a connected with the outer wall of the box body 100, the other end of the air guiding cover 401 is an air outlet end 401b, the supporting frame 402 is embedded between the air inlet end 401a and the air outlet end 401b, the shutter 403 is mounted on the supporting frame 402, and the wire mesh plate 404 is mounted at the air outlet end 401b.

The main body of the wind scooper 401 includes a top surface 401c, a bottom surface 401d, and a side surface 401e; the top surface 401c, the bottom surface 401d and the side surface 401e enclose an air inlet end 401a and an air outlet end 401b of the air guide cover 401.

Preferably, the cross section of the top surface 401c is of a bending structure, one section close to the air inlet end 401a forms a horizontal plane 401c-1 in the horizontal direction, the other section is arranged in the horizontal downward direction to form a lower inclined plane 401c-2, and the bending angle of the lower inclined plane 401c-2 is 3-10 degrees, so that rainwater can be prevented from accumulating on the air guide cover; the cross section of the bottom surface 401d is of a bending structure, the bending angle of the bottom surface is consistent with that of the top surface 401c, and a plurality of water dripping holes A are formed in the top surface 401c close to the air outlet end 401b, so that even if rainwater enters the air guide cover, the rainwater can be discharged from the water dripping holes along the inclined surface.

The inclination angle of the supporting frame 402 and the vertical direction is 3-10 degrees, the shutter 403 is arranged on the supporting frame 402, and the shutter 403 is a self-hanging shutter, so that when the converter is stopped, the shutter group of the self-hanging shutter can be naturally and completely closed, and the shaking of the shutter 403 caused by uneven foundation, assembly errors, interference of external strong wind and the like is avoided.

Specifically, the shutter 403 includes a plurality of evenly distributed slats 403a and a linkage 403b, wherein one side of the slats 403a along the length direction is rotatably connected with the support frame 402, the linkage 403b includes a link 403b-1 and a link 403b-2, one end of the plurality of links 403b-1 is rotatably connected with the link 403b-2 and evenly distributed, and the other end of the link 403b-1 is connected with the slats 403 a. The function is to combine the blades 403a into a whole, ensuring that all blades are opened and closed at the same time; the heat dissipation exhaust system realizes good ventilation effect, simultaneously has waterproof and dustproof functions, and has higher practicability. The air outlet device designed by the invention can ensure that the hot air flow of the air outlet blows out horizontally, does not influence the air flow of the air inlet, can effectively prevent the hot air from converging, ensures that the temperature of the air inlet and the air outlet is consistent with the ambient temperature, and improves the heat dissipation effect of the container.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims

1. A heat dissipation exhaust system of box converter, its characterized in that: comprising the steps of (a) a step of,

the box body (100), the converter (200) is installed in the box body (100);

the converter (200) is provided with an air inlet (201) and an air outlet (202), the air inlet (201) is positioned below the converter (200), and the air outlet (202) is positioned at the top of the converter (200);

the air inlet device (300) is arranged below the side wall of the box body (100) in the length direction and is opposite to the air inlet (201);

the air outlet device (400) is arranged at the upper position of the box body (100);

an inner air duct (500) is arranged in the box body (100), one end of the inner air duct (500) is connected with the air outlet (202), and the other end of the inner air duct is connected with the air outlet device (400);

the air inlet device (300) is fixed on the outer side of the side wall of the box body (100), and comprises an air inlet window (301), dustproof filter cotton (302) and a fixed lining frame (303), wherein the air inlet window (301) comprises a window frame (301 a) and a plurality of blades (301 b) uniformly distributed in the window frame (301 a), and the fixed lining frame (303) is an integral structure frame and is fixed on the inner side of the wall of the box body (100) and used for limiting and fixing the dustproof filter cotton (302);

the blade (301 b) comprises an air guide part (301 b-1) which is inclined upwards from the outer side to the inner side of the window frame (301 a), the upper end of the air guide part (301 b-1) is folded towards the outer side of the window frame (301 a) to form an upper water blocking part (301 b-2), the lower end of the air guide part (301 b-1) is extended downwards to form a vertical plate (301 b-3), and the lower end of the vertical plate (301 b-3) is extended inwards of the window frame (301 a) to form a lower water blocking part (301 b-4) along a section of transverse plate;

the lower water blocking parts (301 b-4) of the blades (301 b) positioned above are lower than the upper water blocking parts (301 b-2) of the blades (301 b) positioned below, and a plurality of the blades (301 b) are arranged in a staggered mode; the blade (301 b) further comprises a connecting portion (301 b-5) fixed with the window frame (301 a), and the connecting portion (301 b-5) is provided with a connecting hole (301 b-6).

2. The heat dissipation and exhaust system of the box-type converter according to claim 1, wherein: the air outlet device (400) comprises an air guide cover (401), a supporting frame (402), a shutter (403) and a wire mesh plate (404), wherein one end of the air guide cover (401) is an air inlet end (401 a) connected with the outer wall of the box body (100), the other end of the air guide cover (401) is an air outlet end (401 b), the supporting frame (402) is embedded between the air inlet end (401 a) and the air outlet end (401 b), the shutter (403) is arranged on the supporting frame (402), and the wire mesh plate (404) is arranged at the air outlet end (401 b).

3. The heat dissipation and exhaust system of the box-type converter according to claim 2, wherein: the wind scooper (401) main body comprises a top surface (401 c), a bottom surface (401 d) and a side surface (401 e); the top surface (401 c), the bottom surface (401 d) and the side surface (401 e) enclose an air inlet end (401 a) and an air outlet end (401 b) of the air guide cover (401).

4. A radiator exhaust system of a box-type converter according to claim 3, wherein: the cross section of the top surface (401 c) is of a bending structure, one section close to the air inlet end (401 a) is a horizontal plane (401 c-1) formed in the horizontal direction, the other section is a lower inclined plane (401 c-2) formed in the horizontal downward direction, and the bending angle of the lower inclined plane (401 c-2) is 3-10 degrees; the cross section of the bottom surface (401 d) is of a bending structure, the bending angle is consistent with that of the top surface (401 c), and a plurality of water dripping holes (A) are formed in the top surface (401 c) close to the air outlet end (401 b).

5. The heat dissipation and exhaust system of a box-type converter as set forth in claim 4, wherein: the inclination angle of the supporting frame (402) and the vertical direction is 3-10 degrees, and the louver (403) is installed on the supporting frame (402).

6. The heat dissipation and exhaust system of a box-type converter according to claim 5, wherein: the shutter (403) comprises a plurality of evenly distributed blades (403 a) and a linkage mechanism (403 b), wherein one side edge of the blades (403 a) in the length direction is used as a central shaft to be rotationally connected with the supporting frame (402), the linkage mechanism (403 b) comprises a connecting rod (403 b-1) and a linkage rod (403 b-2), one end of the connecting rod (403 b-1) is rotationally connected with the linkage rod (403 b-2) and evenly distributed, and the other end of the connecting rod (403 b-1) is connected with the blades (403 a).