Split type transition air duct of converter

Abstract

The utility model relates to the technical field of converter air ducts, in particular to a split type transition air duct of a converter. Comprising a first main box body, a second main box body and an air duct main body assembly, the air duct main body assembly is arranged between the first main box body and the second main box body; one side of the air duct body assembly is connected to the first main box body through bolts, and the other side of the air duct body assembly is fixed to the second main box body through a left sealing frame assembly, a middle sealing frame assembly and a right sealing frame assembly. The left sealing frame assembly, the middle sealing frame assembly and the right sealing frame assembly are sequentially fixed to the air duct body assembly, each sealing frame assembly comprises a sealing frame body, a handle and a sealing gasket, and the handle and the sealing gasket are prefabricated on the sealing frame body, so that the air duct can be detached on the premise that box bodies at the two ends are not detached; and meanwhile, the air duct is simple and quick to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of converter air ducts, in particular to a split transition air duct of a converter. Background Art

[0002] The magnetic components in the converter box will generate a lot of heat when working, which will increase the temperature of the magnetic components. Excessive temperature will affect the normal operation of the converter.

[0003] In order to effectively reduce the temperature rise inside the box when the converter is working, a fan is generally installed in the middle box of the box. When the fan is working, air is sucked in from the front box through the magnetic components and then flows out from the bottom of the middle box. The temperature of the magnetic components is reduced by forced air cooling.

[0004] In order to make rational use of the cooling fan, a transition air duct can be designed between the two converter boxes to share a cooling system to reduce the weight and size of the converter.

[0005] The transition air duct in the prior art is generally a fixed structure and cannot be removed from the box body alone. When replacing the sealing gasket, the boxes at both ends need to be disassembled, and the air duct is too difficult to disassemble and assemble. Utility Model Content

[0006] The purpose of the utility model is to provide a split transition air duct of an inverter to address the defects in the prior art, so that the air duct can be removed without removing the boxes at both ends, the air duct sealing structure can be maintained, and the air duct disassembly and assembly is simple and fast.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a split transition air duct of an inverter, comprising a first main box, a second main box and an air duct main body assembly; the air duct main body assembly is placed between the first main box and the second main box; one side of the air duct main body assembly is connected to the first main box by bolts, and the other side of the air duct main body assembly is fixed to the second main box by a left sealing frame assembly, a middle sealing frame assembly, and a right sealing frame assembly; the left sealing frame assembly, the middle sealing frame assembly, and the right sealing frame assembly are fixed to the air duct main body assembly in sequence, and each sealing frame assembly includes a sealing frame body and a handle and a sealing gasket prefabricated on the sealing frame body.

[0008] Furthermore, the left sealing frame assembly handle of the left sealing frame assembly is fixed to the left side of the left sealing frame by rivets; the left first inner sealing gasket, the left second inner sealing gasket, and the left third inner sealing gasket are attached to the inner side of the left sealing frame, and fit with the air duct main body assembly during assembly; the left first outer sealing gasket, the left second outer sealing gasket, and the left third outer sealing gasket are attached to the outer side of the left sealing frame, and fit with the second main box body during assembly.

[0009] Furthermore, the intermediate sealing frame assembly handle of the intermediate sealing frame assembly is fixed to the bottom of the intermediate sealing frame by rivets; the intermediate first inner sealing gasket and the intermediate second inner sealing gasket are attached to the inner side of the intermediate sealing frame, and fit together with the air duct main body assembly during assembly; the intermediate first outer sealing gasket and the intermediate second outer sealing gasket are attached to the outer side of the intermediate sealing frame, and fit together with the second main box body during assembly.

[0010] Furthermore, the right sealing frame assembly handle of the right sealing frame assembly is fixed to the right side of the right sealing frame by rivets; the right first inner sealing gasket, the right second inner sealing gasket, and the right third inner sealing gasket are attached to the inner side of the right sealing frame, and fit with the air duct main body assembly during assembly; the right first outer sealing gasket, the right second outer sealing gasket, and the right third outer sealing gasket are attached to the outer side of the right sealing frame, and fit with the second main box body during assembly.

[0011] Furthermore, handle covers are disposed outside the left sealing frame assembly handle, the middle sealing frame assembly handle and the right sealing frame assembly handle.

[0012] Furthermore, the handle cover is made of silicone rubber and fits tightly onto the left sealing frame assembly handle, the middle sealing frame assembly handle and the right sealing frame assembly handle.

[0013] Furthermore, each sealing gasket is a pre-compressed expansion sealing gasket.

[0014] Furthermore, the first duct side panel, the second duct side panel, and the duct top panel of the duct main body assembly are fixed together by rivets, and the duct bottom panel is fixed together with the first duct side panel, the second duct side panel, and the duct top panel by screws to form a duct cavity; sealant is applied to the joints of the panels; the duct bottom panel is fixed by screws; and the support frame is fixed to the bend of the duct bottom panel by countersunk screws.

[0015] Furthermore, a triangular concave-convex insertion design is provided at the frame interfaces of the left sealing frame assembly, the middle sealing frame assembly and the right sealing frame assembly.

[0016] The invention comprises a first main box, a second main box and an air duct main body component; the air duct main body component is placed between the first main box and the second main box; one side of the air duct main body component is connected to the first main box by bolts, and the other side of the air duct main body component is fixed to the second main box by a left sealing frame assembly, a middle sealing frame assembly and a right sealing frame assembly; the left sealing frame assembly, the middle sealing frame assembly and the right sealing frame assembly are fixed to the air duct main body assembly in sequence, and each sealing frame assembly comprises a sealing frame body and a handle and a sealing gasket structure prefabricated on the sealing frame body, so that the air duct can be removed without removing the boxes at both ends, the air duct sealing structure can be maintained, and the air duct disassembly and assembly are simple and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of a split transition air duct of a converter of the utility model;

[0019] Figure 2 It is the front view of the transition duct;

[0020] Figure 3 yes Figure 2 Bottom view of

[0021] Figure 4 It is a structural schematic diagram of the main body of the air duct;

[0022] Figure 5 is a schematic diagram of the left seal frame assembly;

[0023] Figure 6 is a schematic diagram of an intermediate sealing frame assembly;

[0024] Figure 7 is a schematic diagram of the right seal frame assembly.

[0025] Reference numerals:

[0026] The first main box 1, the second main box 2, the air duct main body assembly 3, the first air duct side plate 3-1, the second air duct side plate 3-2, the air duct top plate 3-3, the air duct bottom plate 3-4, the support frame 3-5, the left sealing frame assembly 4, the left sealing frame 4-1, the left sealing frame assembly handle 4-2, the left first inner sealing gasket 4-5, the left second inner sealing gasket 4-6, the left third inner sealing gasket 4-7, the left first outer sealing gasket 4-8, the left second outer sealing gasket 4-9, the left third outer sealing gasket 4-10, the middle sealing frame assembly 5, Middle sealing frame 5-1, middle sealing frame assembly handle 5-2, middle first inner sealing gasket 5-5, middle second inner sealing gasket 5-6, middle first outer sealing gasket 5-7, middle second outer sealing gasket 5-8, right sealing frame assembly 6, right sealing frame 6-1, right sealing frame assembly handle 6-2, right first inner sealing gasket 6-5, right second inner sealing gasket 6-6, right third inner sealing gasket 6-7, right first outer sealing gasket 6-8, right second outer sealing gasket 6-9, right third outer sealing gasket 6-10, bolt 7. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] In the description of the present invention, it should be noted that the directions or positional relationships indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside”, etc., are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0029] A split transition air duct of a converter, such as Figure 1 , 4 , 5, comprising a first main box body 1, a second main box body 2 and an air duct main body component 3; the air duct main body component 3 is placed between the first main box body 1 and the second main box body 2; one side of the air duct main body component 3 is connected to the first main box body 1 by a bolt 7, and the other side of the air duct main body component 3 is fixed to the second main box body 2 by a left sealing frame component 4, a middle sealing frame component 5, and a right sealing frame component 6; the left sealing frame component 4, the middle sealing frame component 5, and the right sealing frame component 6 are fixed to the air duct main body component 3 in sequence, and each sealing frame component comprises a sealing frame body and a handle and a sealing gasket prefabricated on the sealing frame body.

[0030] Specifically, the air duct main body component 3 includes a first main box body 1, a second main box body 2 and an air duct main body component 3; the air duct main body component 3 is placed between the first main box body 1 and the second main box body 2 to ensure that the inside and outside of the air duct are isolated, and cooling air can be smoothly blown from one box body into another box body, and then connected to the first main box body 1 through a bolt 7 on one side of the air duct main body component 3, and the other side of the air duct main body component 3 is fixed to the second main box body 2 through a left sealing frame component 4, a middle sealing frame component 5, and a right sealing frame component 6, so as to ensure that cooling air can be smoothly blown from one box body into another box body. The sealing during the process of blowing into another box body is then fixed to the air duct main body assembly 3 in sequence through the left sealing frame assembly 4, the middle sealing frame assembly 5, and the right sealing frame assembly 6. Each sealing frame assembly includes a sealing frame body and a handle and a sealing gasket structure prefabricated on the sealing frame body, so that the corresponding sealing gaskets of the middle sealing frame assembly 5 and the right sealing frame assembly 6 gradually expand after installation and are fixed to the main box body 2 by friction. When replacing the sealing gasket, the sealing gasket can be directly removed through the handle on the sealing frame body without disassembling the boxes at both ends, thereby improving the efficiency of air duct dismantling.

[0031] As a preferred embodiment of the above, Figure 2 As shown, the left sealing frame assembly handle 4-2 of the left sealing frame assembly 4 is fixed to the left side of the left sealing frame 4-1 by rivets; the left first inner sealing gasket 4-5, the left second inner sealing gasket 4-6, and the left third inner sealing gasket 4-7 are attached to the inner side of the left sealing frame 4-1, and fit with the air duct main body assembly 3 during assembly; the left first outer sealing gasket 4-8, the left second outer sealing gasket 4-9, and the left third outer sealing gasket 4-10 are attached to the outer side of the left sealing frame 4-1, and fit with the second main box body 2 during assembly.

[0032] Specifically, the left sealing frame assembly handle 4-2 of the left sealing frame assembly 4 is fixed to the left side of the left sealing frame 4-1 by rivets; the left first inner sealing gasket 4-5, the left second inner sealing gasket 4-6, and the left third inner sealing gasket 4-7 are attached to the inner side of the left sealing frame 4-1, and fit with the air duct main body assembly 3 during assembly; the left first outer sealing gasket 4-8, the left second outer sealing gasket 4-9, and the left third outer sealing gasket 4-10 are attached to the outer side of the left sealing frame 4-1, and fit with the second main box body 2 during assembly, so as to ensure the sealing of the left side of the air duct main body assembly 3, and when replacing the sealing gasket, the left sealing frame assembly 4 is directly pulled out from the left side of the connection between the air duct main body assembly 3 and the second main box body 2 by the left sealing frame assembly handle 4-2, and avoids the disassembly space of the middle sealing frame assembly 5 and the right sealing frame assembly 6, so that the air duct can be quickly dismantled.

[0033] As a preferred embodiment of the above, Figure 3 As shown, the intermediate sealing frame assembly handle 5-2 of the intermediate sealing frame assembly 5 is fixed to the bottom of the intermediate sealing frame 5-1 by rivets; the intermediate first inner sealing gasket 5-5 and the intermediate second inner sealing gasket 5-6 are attached to the inner side of the intermediate sealing frame 5-1, and fit with the air duct main body assembly 3 during assembly; the intermediate first outer sealing gasket 5-7 and the intermediate second outer sealing gasket 5-8 are attached to the outer side of the intermediate sealing frame 5-1, and fit with the second main box body 2 during assembly.

[0034] Specifically, the intermediate sealing frame assembly handle 5-2 of the intermediate sealing frame assembly 5 is fixed to the bottom of the intermediate sealing frame 5-1 by rivets; the intermediate first inner sealing gasket 5-5 and the intermediate second inner sealing gasket 5-6 are attached to the inner side of the intermediate sealing frame 5-1, and fit with the air duct main body assembly 3 during assembly; the intermediate first outer sealing gasket 5-7 and the intermediate second outer sealing gasket 5-8 are attached to the outer side of the intermediate sealing frame 5-1, and fit with the second main box body 2 during assembly, so as to ensure the sealing of the middle section of the air duct main body assembly 3, and when replacing the sealing gasket, the intermediate sealing frame assembly 5 is directly pulled out from the bottom of the connection between the air duct main body assembly 3 and the second main box body 2 by the intermediate sealing frame assembly handle 5-2, and avoids the disassembly space of the left sealing frame assembly 4 and the right sealing frame assembly 6, so that the air duct can be quickly dismantled.

[0035] As a preferred embodiment of the above, Figure 3 As shown, the right sealing frame assembly handle 6-2 of the right sealing frame assembly 6 is fixed to the right side of the right sealing frame 6-1 by rivets; the right first inner sealing gasket 6-5, the right second inner sealing gasket 6-6, and the right third inner sealing gasket 6-7 are attached to the inner side of the right sealing frame 6-1, and fit with the air duct main body assembly 3 during assembly; the right first outer sealing gasket 6-8, the right second outer sealing gasket 6-9, and the right third outer sealing gasket 6-10 are attached to the outer side of the right sealing frame 6-1, and fit with the second main box body 2 during assembly.

[0036] Specifically, the right sealing frame assembly handle 6-2 of the right sealing frame assembly 6 is fixed to the right side of the right sealing frame 6-1 by rivets; the right first inner sealing gasket 6-5, the right second inner sealing gasket 6-6, and the right third inner sealing gasket 6-7 are attached to the inner side of the right sealing frame 6-1, and fit with the air duct main body assembly 3 during assembly; the right first outer sealing gasket 6-8, the right second outer sealing gasket 6-9, and the right third outer sealing gasket 6-10 are attached to the outer side of the right sealing frame 6-1, and fit with the second main box body 2 during assembly, so as to ensure the sealing of the right side of the air duct main body assembly 3, and when replacing the sealing gasket, the right sealing frame assembly 6 is directly pulled out from the right side of the connection between the air duct main body assembly 3 and the second main box body 2 by the right sealing frame assembly handle 6-2, and avoids the disassembly space of the left sealing frame assembly 4 and the middle sealing frame assembly 5, so that the air duct can be quickly dismantled.

[0037] As a preferred embodiment of the above, Figure 2 As shown, the left sealing frame assembly handle 4 - 2 , the middle sealing frame assembly handle 5 - 2 and the right sealing frame assembly handle 6 - 2 are all provided with handle covers.

[0038] As a preferred embodiment of the above, Figure 2 As shown, the handle cover is made of silicone rubber and fits tightly on the left sealing frame assembly handle 4-2, the middle sealing frame assembly handle 5-2 and the right sealing frame assembly handle 6-2.

[0039] Specifically, the left sealing frame assembly handle 4-2, the middle sealing frame assembly handle 5-2 and the right sealing frame assembly handle 6-2 are all provided with handle covers, and the handle covers are made of silicone rubber and fit tightly on the left sealing frame assembly handle 4-2, the middle sealing frame assembly handle 5-2 and the right sealing frame assembly handle 6-2, so that the handle covers can be tightly installed on the handles, thereby ensuring better protection for the hands when disassembling and assembling the sealing frame.

[0040] As a preferred embodiment of the above, Figure 3 As shown, each gasket is a pre-compressed expansion gasket.

[0041] Specifically, the structure in which each sealing gasket is a pre-compressed expansion sealing gasket can be used to gradually expand the sealing gasket after installation, and the effect of filling the width of the joint is also better, thereby further improving the sealing performance of the device.

[0042] As a preferred embodiment of the above, Figure 3As shown, the first duct side panel 3-1, the second duct side panel 3-2, and the duct top panel 3-3 of the duct main body assembly 3 are fixed together by rivets, and the duct bottom panel 3-4 is fixed together with the first duct side panel 3-1, the second duct side panel 3-2, and the duct top panel 3-3 by screws to form an duct cavity; sealant is applied to the joints of the panels; the duct bottom panel 3-4 is fixed with screws; and the support frame 3-5 is fixed at the bend of the duct bottom panel 3-4 by countersunk screws.

[0043] Specifically, the first duct side panel 3-1, the second duct side panel 3-2, and the duct top panel 3-3 of the duct main body assembly 3 are fixed together by rivets, and the duct bottom panel 3-4 is fixed together with the first duct side panel 3-1, the second duct side panel 3-2, and the duct top panel 3-3 by screws to form an duct cavity; sealant is applied to the joints of the panels; the duct bottom panel 3-4 is fixed with screws; the support frame 3-5 is fixed to the bend of the duct bottom panel 3-4 by countersunk screws to further increase the strength of the duct.

[0044] As a preferred embodiment of the above, Figure 3 As shown, the frame interfaces of the left sealing frame assembly 4, the middle sealing frame assembly 5, and the right sealing frame assembly 6 are provided with a triangular concave-convex insertion design.

[0045] Specifically, a triangular concave-convex insertion design structure is provided at the frame interface of the left sealing frame assembly 4, the middle sealing frame assembly 5, and the right sealing frame assembly 6 to further increase the sealing performance. At the same time, glue is applied at the seams of each air duct to further ensure the sealing performance of the air duct.

[0046] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A split transition air duct of a converter, characterized in that: It comprises a first main box body (1), a second main box body (2) and an air duct main body component (3); The air duct main body component (3) is placed between the first main box body (1) and the second main box body (2); One side of the air duct main body component (3) is connected to the first main box (1) via a bolt (7), and the other side of the air duct main body component (3) is fixed to the second main box (2) via a left sealing frame component (4), a middle sealing frame component (5), and a right sealing frame component (6); The left sealing frame assembly (4), the middle sealing frame assembly (5), and the right sealing frame assembly (6) are fixed to the air duct main assembly (3) in sequence, and each sealing frame assembly comprises a sealing frame body and a handle and a sealing gasket prefabricated on the sealing frame body.

2. The split transition air duct of the converter according to claim 1, characterized in that: The left sealing frame assembly handle (4-2) of the left sealing frame assembly (4) is fixed to the left side of the left sealing frame (4-1) by means of rivets; The left first inner sealing pad (4-5), the left second inner sealing pad (4-6), and the left third inner sealing pad (4-7) are attached to the inner side of the left sealing frame (4-1), and fit together with the air duct main body assembly (3) during assembly; The left first outer sealing pad (4-8), the left second outer sealing pad (4-9) and the left third outer sealing pad (4-10) are attached to the outside of the left sealing frame (4-1) and fit together with the second main box body (2) during assembly.

3. The split transition air duct of the converter according to claim 2, characterized in that: The intermediate sealing frame assembly handle (5-2) of the intermediate sealing frame assembly (5) is fixed below the intermediate sealing frame (5-1) by means of rivets; The first middle inner sealing gasket (5-5) and the second middle inner sealing gasket (5-6) are attached to the inner side of the middle sealing frame (5-1) and fit with the air duct main body component (3) during assembly; The first middle outer sealing pad (5-7) and the second middle outer sealing pad (5-8) are attached to the outside of the middle sealing frame (5-1) and fit together with the second main box body (2) during assembly.

4. The split transition air duct of the converter according to claim 3, characterized in that: The right sealing frame assembly handle (6-2) of the right sealing frame assembly (6) is fixed to the right side of the right sealing frame (6-1) by means of rivets; The right first inner sealing pad (6-5), the right second inner sealing pad (6-6), and the right third inner sealing pad (6-7) are attached to the inner side of the right sealing frame (6-1), and fit together with the air duct main body assembly (3) during assembly; The right first outer sealing pad (6-8), the right second outer sealing pad (6-9) and the right third outer sealing pad (6-10) are attached to the outside of the right sealing frame (6-1) and fit together with the second main box body (2) during assembly.

5. The split transition air duct of the converter according to claim 4, characterized in that: The left sealing frame assembly handle (4-2), the middle sealing frame assembly handle (5-2) and the right sealing frame assembly handle (6-2) are all provided with handle covers.

6. The split transition air duct of the converter according to claim 5, characterized in that: The handle sheath is made of silicone rubber and fits tightly onto the left sealing frame assembly handle (4-2), the middle sealing frame assembly handle (5-2) and the right sealing frame assembly handle (6-2).

7. The split transition air duct of the converter according to claim 4, characterized in that: Each gasket is a pre-compressed expansion gasket.

8. The split transition air duct of the converter according to claim 1, characterized in that: The first air duct side plate (3-1), the second air duct side plate (3-2), and the air duct top plate (3-3) of the air duct main body assembly (3) are fixed together by rivets, and the air duct bottom plate (3-4) is fixed together with the first air duct side plate (3-1), the second air duct side plate (3-2), and the air duct top plate (3-3) by screws to form an air duct cavity; sealant is applied to the joints of the plates; the air duct bottom plate (3-4) is fixed by screws; and the support frame (3-5) is fixed to the bend of the air duct bottom plate (3-4) by countersunk screws.

9. The split transition air duct of the converter according to claim 1, characterized in that: The frame interfaces of the left sealing frame assembly (4), the middle sealing frame assembly (5) and the right sealing frame assembly (6) are provided with a triangular concave-convex insertion design.

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