CN110881265B - Air duct assembly, frequency conversion box body and centrifugal machine - Google Patents
Air duct assembly, frequency conversion box body and centrifugal machine Download PDFInfo
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- CN110881265B CN110881265B CN201911198382.2A CN201911198382A CN110881265B CN 110881265 B CN110881265 B CN 110881265B CN 201911198382 A CN201911198382 A CN 201911198382A CN 110881265 B CN110881265 B CN 110881265B
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- 238000006243 chemical reaction Methods 0.000 title abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 142
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 230000000694 effects Effects 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Duct Arrangements (AREA)
Abstract
The invention provides an air duct assembly, a frequency conversion box body and a centrifugal machine, wherein the air duct assembly comprises: the ventilation plate is provided with a ventilation opening and a sealing component wound on the ventilation opening; one end of the ventilation cavity is provided with a plurality of auxiliary air channels which are arranged corresponding to the ventilation openings; the auxiliary air channel is detachably connected with the ventilation cavity, the size of the inner wall of the sealing assembly is larger than that of the outer walls of the auxiliary air channels, and one end, far away from the ventilation cavity, of the auxiliary air channel is sealed through the sealing assembly. According to the technical scheme, the length of the auxiliary air channels extending into the inner wall of the sealing assembly is adjustable, the problem that due to assembly errors, large space exists between the auxiliary air channels and the ventilating plate, assembly is difficult or sealing performance is poor is solved, and the sealing performance of the auxiliary air channels is improved.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to an air duct assembly, a frequency conversion box body and a centrifugal machine.
Background
Inside sheet metal component of converter is more, between each sheet metal component and with the converter between other spare parts adopt the fix with screw usually, however, there is the size deviation in the mode messenger assembly of fix with screw, when the assembly error accumulation of a plurality of screws, make the wind channel between electric capacity subassembly and the baffle have great size deviation, make the wind channel assembly difficulty, or produce great clearance between wind channel and baffle, influence the leakproofness in wind channel, make the leakproofness in wind channel relatively poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
In view of the above, an object of the present invention is to provide an air duct assembly.
The invention further aims to provide a frequency conversion box body correspondingly.
It is a further object of the present invention to provide a centrifuge.
In order to achieve at least one of the above objects, according to a first aspect of the present invention, there is provided an air duct assembly, including: the ventilation plate is provided with a ventilation opening and a sealing component wound on the ventilation opening; one end of the ventilation cavity is provided with a plurality of auxiliary air channels which are arranged corresponding to the ventilation openings; the auxiliary air channel is detachably connected with the ventilation cavity, the size of the inner wall of the sealing assembly is larger than that of the outer walls of the auxiliary air channels, and one end, far away from the ventilation cavity, of the auxiliary air channel is sealed through the sealing assembly.
According to the air duct assembly provided by the invention, the ventilation opening is formed in the ventilation plate, the sealing assembly is wound on the ventilation opening, and the auxiliary air ducts are arranged corresponding to the ventilation opening so as to convey cold air to the auxiliary air ducts through the ventilation opening; wherein, assist the wind channel and can dismantle with the ventilation chamber and be connected, dismantle from the ventilation chamber through assisting a plurality of wind channels, divide into a plurality of parts with the wind channel structure, after a plurality of assistance wind channels are dismantled, reduce the holistic size in wind channel, avoid the ventilation chamber to produce when dismantling and other parts in the converter and interfere, in order to do benefit to further dismantle the ventilation chamber, furtherly, seal assembly's inner wall size is greater than the outer wall size of a plurality of assistance wind channels, make a plurality of assistance wind channels can stretch into seal assembly's inner wall, seal assembly overlaps and locates on the outer wall of a plurality of assistance wind channels promptly, assist the one end that the wind channel kept away from the ventilation chamber and realize sealedly through seal assembly, inner wall through seal assembly offsets with the outer arm of a plurality of assistance wind channels, realize assisting wind channel and ventilating board's sealed, improve the leakproofness of assisting the wind channel.
The sealing assembly is arranged at the ventilation opening, and the auxiliary air channels can extend into the inner wall of the sealing assembly, so that on one hand, the sealing between the auxiliary air channels and the ventilation plate is realized; on the other hand, the length of the auxiliary air channels extending into the inner wall of the sealing assembly is adjustable, so that the problem that due to assembly errors, large intervals exist between the auxiliary air channels and the ventilating plate, assembly difficulty is caused, or sealing performance is poor is solved.
Wherein, seal assembly can be the annular, and annular seal assembly can turn over through the process that carries out the panel beating punching press to the ventilating board and turn over and form seal assembly with ventilating board integrated into one piece.
In the above technical solution, the sealing assembly specifically includes: the multi-fold sealing plate is arranged on the ventilation plate and wound on the ventilation opening, an opening facing one side is formed in the multi-fold sealing plate, and the auxiliary air duct can move through the opening; and the matching sealing plate is arranged corresponding to the multi-fold sealing plate.
In this technical scheme, around locating the vent through the multifold closing plate, and form the opening towards one side at the multifold closing plate, so that a plurality of auxiliary air channels can remove through the opening part that the multifold closing plate formed, thereby shift out the assembled position of assisting air channel and ventilation chamber, realize assisting the dismantlement in air channel, and the cooperation closing plate corresponds the setting with the multifold closing plate, specifically, after a plurality of auxiliary air channels assemble on ventilation chamber and the ventilation board, seal the opening of multifold closing plate through the cooperation closing plate, make the multifold closing plate and the cooperation closing plate form a confined annular overall structure, realize a plurality of sealed of auxiliary air channels and ventilation board along the outer wall in a plurality of auxiliary air channels.
When the plurality of auxiliary air ducts are mounted or dismounted, the matching sealing plate needs to be dismounted firstly, so that the plurality of auxiliary air ducts can slide to the mounting position from the opening or slide out from the mounting position.
The multi-fold sealing plate is formed by three sections of sheet metal parts which are sequentially connected, an included angle between any two adjacent sections of sheet metal parts is 80-100 degrees, and an opening is formed in one side opposite to the sheet metal part arranged at the middle section.
Wherein, the multifold sealing plate can be an organic whole structure, also can be a plurality of sheet metal components formation of dismantling the connection.
In the above technical solution, the sealing assembly specifically includes: the first folding edge is connected with the ventilating plate; the second folded edge is fixedly connected with the first folded edge, a non-zero included angle is formed between the second folded edge and the first folded edge, and the second folded edge can guide the dismounting and moving direction of the auxiliary air duct.
In the technical scheme, the sealing assembly is connected to the ventilating board through the first folding edge, the second folding edge is fixedly connected with the first folding edge, a non-zero included angle is formed between the second folding edge and the first folding edge, the second folding edge is made to form an air channel for air to flow, a plurality of auxiliary air channels can extend into the air channel formed by the second folding edge, the plurality of auxiliary air channels are communicated with the ventilation opening, the outer walls of the plurality of auxiliary air channels abut against the second folding edge, sealing between the plurality of auxiliary air channels and the ventilating board is achieved, and further, the plurality of auxiliary air channels can slide on the second folding edge to guide the dismounting and mounting moving direction of the auxiliary air channels when being mounted or dismounted.
In the above technical scheme, the both ends of multifold closing plate are equipped with the first hypotenuse of outside buckling respectively, and the both ends of cooperation closing plate are equipped with the second hypotenuse with the shape looks adaptation of first hypotenuse respectively, and first hypotenuse offsets with the second hypotenuse to form circumference confined sealed wind channel.
In this technical scheme, be equipped with the first hypotenuse of outside buckling respectively through the both ends of multifold closing plate, the both ends of cooperation closing plate are equipped with the second hypotenuse with the shape looks adaptation of first hypotenuse respectively, and first hypotenuse and second hypotenuse offset, form circumference confined sealed wind channel, and first hypotenuse and second hypotenuse are the face contact, through the area of contact who increases multifold closing plate and cooperation closing plate, improve the sealed effect in sealed wind channel.
In the above technical solution, the method further comprises: the buffer pad is arranged on the inner wall of the multi-fold sealing plate and/or on the inner wall of the matched sealing plate and/or on the outer wall of the auxiliary air duct, wherein the buffer pad can deform.
In this technical scheme, the inner wall at the multifold closing plate sets up the blotter with the inner wall of cooperation closing plate, perhaps set up the blotter on assisting the outer wall in wind channel, when making a plurality of supplementary wind channels link to each other with seal assembly, through the sealed multifold closing plate of blotter, the clearance between the inner wall of cooperation closing plate and the outer wall in a plurality of supplementary wind channels, wherein the blotter can take place deformation, with the dimensional deviation of the deformation volume through the blotter supplementary seal assembly and the assembly between a plurality of supplementary wind channels, and the blotter still has heat retaining effect, avoid the wind channel to produce the condensation.
The cushion pad can be arranged on any one or a combination of a plurality of inner walls of the multi-fold sealing plate, inner walls of the matched sealing plate and outer walls of the auxiliary air ducts.
Wherein, the cushion pad can adopt deformable thermal insulation materials such as sponge, glass wool, phenolic foam and the like.
In the above technical scheme, in the first direction, the sum of the maximum size of the auxiliary air duct in the sealing assembly and the thickness of the cushion pad is larger than the size of the inner wall of the sealing assembly, wherein the maximum size of the auxiliary air duct in the sealing assembly is the sum of the sizes of each auxiliary air duct in the first direction.
In the technical scheme, in the first direction, the sum of the maximum size of the auxiliary air channel in the sealing assembly and the thickness of the cushion pad is larger than the size of the inner wall of the sealing assembly, and the maximum size of the auxiliary air channel in the sealing assembly is the sum of the size of each auxiliary air channel in the first direction, so that when the auxiliary air channel is connected with the sealing assembly, the cushion pad between the outer wall of the auxiliary air channel and the inner wall of the sealing assembly deforms, and the sealing effect of a gap between the outer wall of the auxiliary air channel and the inner wall of the sealing assembly is improved.
In above-mentioned technical scheme, at least two are assisted the wind channel and can be followed the direction perpendicular with the extending direction in ventilation chamber and remove, and the wind channel subassembly still includes: the guide groove is arranged at one end of the ventilation cavity close to the ventilation opening; the cardboard is located every and is assisted the wind channel and be close to the one end in ventilation chamber, wherein, restricts the moving direction who assists the wind channel through the cooperation of guide slot and cardboard.
In this technical scheme, at least two assist wind channels can be followed the direction removal perpendicular to the extending direction in ventilation chamber, the arbitrary direction of the surface motion of ventilating board removes promptly, when assisting wind channel with at least two, make assist wind channel remove along the direction perpendicular to ventilation chamber, in order will assist the wind channel and shift out the mounted position between ventilation chamber and vent in the one side perpendicular to ventilation chamber, thereby dismantle at least two and assist the wind channel, the one side that the ventilation chamber is close to the vent is equipped with the guide slot, the one end that every is assisted the wind channel and is close to the ventilation chamber is equipped with the cardboard, the cardboard can stretch into the guide slot from one side of guide slot, slide along the extending direction of guide slot, restrict the moving direction in assistance wind channel through the cooperation of guide slot and cardboard, when installing or dismantling assist the wind channel, need along the extending direction of guide slot, the direction scratch into or roll-off mounted position perpendicular to ventilation chamber promptly.
In the above technical solution, the method further comprises: the limiting plate is arranged at one end, close to the ventilation opening, of the ventilation cavity, and limits the limit position of the auxiliary air channel on the guide groove through the limiting plate.
In this technical scheme, set up the limiting plate through the one end that is close to the vent in the chamber of ventilating, make and assist the wind channel when sliding in the guide slot, hinder to assist the wind channel through the limiting plate and follow the guide slot in to the one side roll-off that is equipped with the limiting plate, and carry on spacingly to assisting the position of wind channel on the chamber of ventilating through the limiting plate to in order to assist the quick removal in wind channel to the mounted position, improve assembly efficiency.
In the above technical scheme, the dismounting moving directions of at least two auxiliary air ducts are the same, and in all the auxiliary air ducts with the same dismounting moving directions, limiting structures matched with each other are arranged on any two adjacent auxiliary air ducts along the dismounting moving directions so as to limit the relative positions of the two adjacent auxiliary air ducts on the guide grooves through the limiting structures.
In this technical scheme, the dismouting moving direction in two at least subsidiary wind channels is the same, two or more assist the wind channel promptly along the extending direction of guide slot, slide to the opposite side from one side in ventilation chamber, and be equipped with the limit structure of mutually supporting on two arbitrary adjacent subsidiary wind channels, specifically, in two adjacent subsidiary wind channels, in two long limits that assist the wind channel and be close to each other, one is equipped with the hem structure, the hem structure forms the recess, another is equipped with the cardboard structure that can stretch into in the recess, thereby restrict two adjacent subsidiary wind channels relative position on the guide slot, make the connection between two at least subsidiary wind channels more stable.
In the above technical scheme, the cross-sectional area of each auxiliary air duct is smaller than that of the ventilation cavity.
In the technical scheme, the cross-sectional area of the air passing of each auxiliary air channel is smaller than that of the ventilation cavity, so that the cross-sectional area of the air passing of each auxiliary air channel is positioned in the cross-sectional area of the ventilation cavity, cold air conveyed to the ventilation cavity by each auxiliary air channel flows into the ventilation cavity uniformly, the loss of cold air volume is avoided, and the cold air conveying efficiency is improved.
Specifically, the cross-wind section is the cross-sectional area of the auxiliary air duct and the ventilation cavity.
When the sum of the sizes of the inner walls of the auxiliary air channels is larger than the size of the inner wall of the ventilation cavity, the auxiliary air channels can be staggered with the ventilation cavity, and the flow direction of cold air flows to the auxiliary air channels from the ventilation cavity.
In the technical scheme, the moving direction of the auxiliary air channel is vertical to the extending direction of the ventilation cavity; or the moving direction of the auxiliary air duct is parallel to the extending direction of the ventilation cavity.
In the technical scheme, the moving direction of the auxiliary air duct is vertical to the extending direction of the ventilation cavity; or the moving direction of the auxiliary air channel is parallel to the extending direction of the ventilation cavity, so that the auxiliary air channel can be reasonably arranged according to the arrangement of each part in the frequency converter, the position relation of the connection of the auxiliary air channel and the ventilation cavity is arranged, and the application range of the air channel assembly is widened.
The second aspect of the present invention provides a frequency conversion box, including: the box body is internally sealed; the air duct assembly of any one of the first aspect technical solutions is arranged in the box body, and a ventilation board of the air duct assembly is arranged in the box body.
According to the frequency conversion box body provided by the invention, water or air outside the box body is prevented from entering the box body through the internal sealing of the box body, and the air duct assembly in any one of the technical schemes is arranged in the box body and the ventilation plate of the air duct assembly is arranged in the box body, so that the technical effects of any one of the technical schemes in the first aspect are achieved, and the description is omitted.
In the above technical solution, the method further comprises: the support column is arranged on one side, facing the ventilation cavity of the air duct assembly, of the ventilation plate, wherein at least one auxiliary air duct in the air duct assembly can slide along the surface of the ventilation plate, and in the projection of the ventilation plate, the minimum distance between the support column and the ventilation cavity is larger than the width of any auxiliary air duct.
In the technical scheme, the support columns are arranged on one side, facing the ventilation cavity of the air channel assembly, of the ventilation board, so that the structural strength of the ventilation board can be enhanced, and the situation that the ventilation board is deformed when bearing is large and the connection tightness between the ventilation board and the auxiliary air channel is influenced is avoided; wherein, the surface slip of ventilating board can be followed to at least one in the wind channel subassembly is assisted the wind channel to when dismantling and assist the wind channel, avoid the ventilating board to assisting the hindrance in wind channel, on the projection of ventilating board, the minimum distance between support column and the ventilation chamber is greater than the width of arbitrary assistance wind channel, vacate the gliding space of confession arbitrary assistance wind channel between support column and ventilation chamber, make at arbitrary assistance wind channel roll-off completely and the guide slot in ventilation chamber, and take out from the clearance between support column and the ventilation chamber, realize the dismantlement of arbitrary assistance wind channel.
According to a third aspect of the present invention, there is provided a centrifuge comprising: a centrifuge body; the frequency conversion box body in the technical scheme of the second aspect is electrically connected with the centrifuge main body.
According to the centrifuge provided by the invention, the frequency conversion box body centrifuge body in the technical scheme of the second aspect is electrically connected, so that the frequency conversion box body converts the frequency of the power frequency power supply and then supplies electric energy to the centrifuge.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a converter cabinet according to an embodiment of the invention;
FIG. 2 illustrates a schematic structural view of a duct assembly according to one embodiment of the present invention;
FIG. 3 is a partially enlarged schematic view of portion A of FIG. 2;
FIG. 4 illustrates a schematic structural view of a duct assembly according to one embodiment of the present invention;
FIG. 5 illustrates a schematic structural view of a duct assembly according to one embodiment of the present invention;
figure 6 shows a schematic view of the structure of a ventilation board and a sealing board according to one embodiment of the invention;
FIG. 7 is an enlarged partial view of portion B of FIG. 6;
FIG. 8 shows a schematic structural view of a mating seal plate according to one embodiment of the invention;
FIG. 9 illustrates a schematic structural view of a duct assembly according to an embodiment of the present invention;
FIG. 10 illustrates a schematic structural view of a duct assembly according to an embodiment of the present invention;
fig. 11 shows a partially enlarged view of portion C of fig. 10;
fig. 12 shows a partially enlarged view of a portion D in fig. 10.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 12 is:
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:
10 ventilating boards, 12 ventilating openings, 20 ventilating cavities, 22 guide grooves, 24 limiting boards, 30 auxiliary air channels, 32 clamping boards, 40 sealing components, 42 matching sealing boards, 44 multi-fold sealing boards, 46 openings, 48 first folding edges, 410 second folding edges, 442 first inclined edges, 422 second inclined edges, 402 sealing air channels, 50 boxes and 60 cushion pads.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Some embodiments according to the invention are described below with reference to fig. 1 to 12.
Example 1
As shown in fig. 1 and 9, according to one embodiment of the present invention, there is provided an air duct assembly defining:
the wind channel subassembly includes: the ventilating board 10, the ventilating cavity 20, assist wind channel 30, seal assembly 40, wherein, set up vent 12 on the ventilating board 10, seal assembly 40 is around locating vent 12, and a plurality of wind channels 30 of assisting correspond the setting with vent 12, in order to assist the wind channel 30 to carry cold wind to a plurality of through vent 12, wherein, a plurality of wind channels 30 of assisting are located the one end of ventilating cavity 20, make cold wind can flow to the ventilating cavity 20 after a plurality of wind channels 30 of assisting, wherein, assist wind channel 30 and be connected with the ventilating cavity 20 can dismantle, through dismantling a plurality of wind channels 30 from the ventilating cavity 20, decompose into a plurality of parts with the wind channel structure, after a plurality of wind channels 30 of assisting are dismantled, reduce the holistic size in wind channel, avoid the ventilating cavity 20 to produce with other parts in the converter when dismantling and interfere, in order to further dismantle the ventilating cavity 20.
Further, the inner wall size of the sealing assembly 40 is larger than the outer wall size of the plurality of auxiliary air ducts 30, the auxiliary air ducts 30 extend into the inner wall of the sealing assembly 40, the connection between the auxiliary air ducts 30 and the sealing assembly 40 is achieved, the outer walls of the auxiliary air ducts 30 abut against the inner wall of the sealing assembly 40, and therefore the sealing between the auxiliary air ducts 30 and the ventilating plate 10 is achieved through the sealing assembly 40.
Example 2
As shown in fig. 6 and 9, in addition to the features of the above-described embodiment, further defined are:
the sealing assembly 40 specifically includes: the multi-fold sealing plate 44 and the matching sealing plate 42 are arranged on the ventilation opening 12 in a winding mode, an opening 46 is formed in one side of the multi-fold sealing plate 44, the auxiliary air channels 30 can be moved out of the assembly position of the ventilation cavity 20 from the opening 46 to disassemble the auxiliary air channels 30, specifically, the multi-fold sealing plate 44 is three sections of sheet metal parts connected in sequence, any two adjacent sections of sheet metal parts are perpendicular to each other, the opening 46 is formed in one side opposite to the sheet metal part arranged in the middle section, the matching sealing plate 42 is arranged on the opening 46, two ends of the matching sealing plate 42 are connected with two ends of the multi-fold sealing plate 44, when the auxiliary air channels 30 are installed or disassembled, the matching sealing plate 42 needs to be detached firstly, so that the auxiliary air channels 30 can slide to the assembly position from the opening 46 or slide out of the assembly position.
Optionally, the multi-fold sealing plate 44 is integrally formed.
Alternatively, the multi-fold seal plate 44 is formed from a plurality of sheet metal parts that are detachably connected.
Example 3
As shown in fig. 6 and 7, in addition to the features of any of the above embodiments, further defined are:
the sealing assembly 40 specifically includes: first hem 48, second hem 410, first hem 48 links to each other with ventilating board 10 to on being connected to sealing assembly 40 to ventilating board 10, and second hem 410 and first hem 48 fixed connection, form nonzero contained angle between second hem 410 and the first hem 48, make second hem 410 enclose into the wind channel that supplies the air flow, and in a plurality of wind channels 30 of assisting can stretch into the wind channel that is enclosed by second hem 410, realize a plurality of communications of assisting wind channels 30 and vent 12.
Further, the first folding edge 48 is perpendicular to the second folding edge 410, the auxiliary air ducts 30 extend into the air duct formed by the second folding edge 410, so that the outer walls of the auxiliary air ducts 30 abut against the inner wall of the second folding edge 410, and the auxiliary air ducts 30 can slide on the second folding edge 410 to guide the dismounting and mounting moving direction of the auxiliary air ducts 30 when being mounted or dismounted.
Example 4
As shown in fig. 3, 7 and 8, in addition to the features of any of the above embodiments, further defines:
the both ends of the multifold sealing plate 44 are respectively provided with a first bevel edge 442 which is bent outwards, the two ends of the matching sealing plate 42 are respectively provided with a second bevel edge 422 matched with the shape of the first bevel edge 442, the first bevel edge 442 and the second bevel edge 422 are offset to form a circumferential sealed air duct 402, the first bevel edge 442 and the second bevel edge are in surface contact, and the sealing effect of the sealed air duct 402 is improved by increasing the contact area between the multifold sealing plate 44 and the matching sealing plate 42.
Example 5
As shown in fig. 12, in addition to the features of any of the embodiments described above, further defined are:
the wind channel subassembly still includes: buffer pad, wherein, the buffer pad can be located the inner wall of many folds closing plate 44, the inner wall of cooperation closing plate 42, assist the combination of any one or more in the outer wall in wind channel 30, when a plurality of wind channels 30 are assisted and seal assembly 40 links to each other, through the sealed many folds closing plate 44 of buffer pad, the clearance between the inner wall of cooperation closing plate 42 and the outer wall of a plurality of wind channels 30 is assisted, wherein the buffer pad can take place deformation, with the dimensional deviation of the assembly between supplementary closing assembly 40 of deformation volume through the buffer pad and a plurality of wind channels 30 of assisting, and the buffer pad still has heat retaining effect, avoid the wind channel to produce the condensation.
Alternatively, the cushion pad may be made of deformable thermal insulation material such as sponge, glass wool, phenolic foam, etc.
Example 6
As shown in fig. 2 and 3, in addition to the features of any of the above embodiments, further defined are:
in the first direction, the sum of the maximum size of the auxiliary air duct 30 in the sealing assembly 40 and the thickness of the cushion is greater than the size of the inner wall of the sealing assembly 40, and the maximum size of the auxiliary air duct 30 in the sealing assembly 40 is the sum of the sizes of each auxiliary air duct 30 in the first direction, so that when the auxiliary air duct 30 is connected with the sealing assembly 40, the cushion between the outer wall of the auxiliary air duct 30 and the inner wall of the sealing assembly 40 deforms, and the sealing effect of the gap between the outer wall of the auxiliary air duct 30 and the inner wall of the sealing assembly 40 is improved.
Example 7
As shown in fig. 5, 6 and 11, in addition to the features of the above embodiment, further defined are:
the wind channel subassembly still includes: the guide slot 22 and the clamping plate 32, wherein the guide slot 22 is disposed on one side of the ventilation cavity 20 close to the ventilation opening 12, the clamping plate 32 is disposed on one side of each auxiliary air duct 30 close to the ventilation cavity 20, and the clamping plate 32 can extend into the guide slot 22 and slide along the extending direction of the guide slot 22, specifically, the clamping plate 32 extends into the guide slot 22 from one side of the guide slot 22, and the auxiliary air duct 30 is limited to slide along the extending direction of the guide slot 22 by the cooperation of the guide slot 22 and the clamping plate 32, and when the auxiliary air duct 30 is mounted or dismounted, the auxiliary air duct needs to be scratched into or slid out of the mounting position along the extending direction of the guide slot 22, namely.
Example 8
As shown in fig. 4 and 5, in addition to the features of any of the above embodiments, further defined are:
the wind channel subassembly still includes: limiting plate 24, limiting plate 24 are located the chamber 20 that ventilates and are close to vent 12 one end, and specifically, limiting plate 24 is in the vertical edge in the chamber 20 that ventilates, and when assisting wind channel 30 and sliding in guide slot 22, limiting plate 24 hinders to assist wind channel 30 from the guide slot 22 in to the one side roll-off that is equipped with limiting plate 24, and is spacing to assisting wind channel 30 to in order to assist the quick removal in wind channel 30 to the assembly position, improve assembly efficiency.
Example 9
As shown in fig. 5 and 9, in addition to the features of any of the above embodiments, further defined are:
the dismouting moving direction of two at least subsidiary wind channels 30 is the same, two or more subsidiary wind channels 30 are along the extending direction of guide slot 22 promptly, slide from a side to the opposite side of ventilation chamber 20, and be equipped with the limit structure of mutually supporting on two arbitrary adjacent subsidiary wind channels 30, specifically, in two adjacent subsidiary wind channels 30, in the length that two subsidiary wind channels 30 are close to each other, one is equipped with the hem structure, the hem structure forms groove structure, another is equipped with the cardboard 32 structure that can stretch into in the groove structure, thereby restrict two adjacent subsidiary wind channels 30 relative position on guide slot 22, make the connection between two at least subsidiary wind channels 30 more stable.
Example 10
As shown in fig. 9 and 10, in addition to the features of any of the above embodiments, further defined are:
the cross-sectional area of each auxiliary air duct 30 is smaller than the cross-sectional area of the ventilation cavity 20, so that the cross-sectional area of each auxiliary air duct 30 is located in the cross-sectional area of the ventilation cavity 20, and the cold air conveyed to the ventilation cavity 20 by each auxiliary air duct 30 flows into the ventilation cavity 20, thereby avoiding the loss of the cold air quantity and improving the cold air conveying efficiency.
Specifically, the cross-sectional area of the air passing is the cross-sectional area of the auxiliary air duct 30 and the ventilation cavity 20.
Optionally, when the sum of the sizes of the inner walls of the plurality of auxiliary air ducts 30 is larger than the size of the inner wall of the ventilation cavity 20, the plurality of auxiliary air ducts 30 and the ventilation cavity 20 are arranged in a staggered manner, and the flow direction of the cool air flows from the ventilation cavity 20 to the auxiliary air ducts 30.
Example 11
As shown in fig. 9, in addition to the features of any of the above embodiments, further defines:
the moving direction of the auxiliary air duct 30 is perpendicular to the extending direction of the ventilation cavity 20, or the moving direction of the auxiliary air duct 30 is parallel to the extending direction of the ventilation cavity 20, so that the auxiliary air duct 30 can reasonably arrange the position relation of the connection between the auxiliary air duct 30 and the ventilation cavity 20 according to the arrangement of each part inside the frequency converter, and the application range of the air duct assembly is widened.
Example 12
As shown in fig. 1, according to another embodiment of the present invention, there is provided a inverter box body defining:
the converter box body includes: the box 50 and the air duct assembly in any of the embodiments described above are sealed inside the box 50, so that water or air outside the box 50 is prevented from entering the box 50, and the air duct assembly in any of the embodiments described above is disposed inside the box 50, and the ventilation board 10 of the air duct assembly is disposed inside the box 50, so that the technical effect of any of the technical solutions in the first aspect described above is achieved, and details are not repeated here.
Example 13
In addition to the features of any of the embodiments above, further defined are:
the converter box still includes: the support column, the ventilation board 10 is located towards 20 one side in the ventilation chamber of wind channel subassembly to the support column, strengthens the structural strength of ventilation board 10, produces deformation when avoiding ventilation board 10 bearing great, influences the leakproofness that ventilation board 10 and assistance wind channel 30 are connected.
Further, at least one auxiliary air duct 30 in the air duct assembly can slide along the surface of the ventilation board 10, so that when the auxiliary air duct 30 is detached, the ventilation board 10 is prevented from blocking the auxiliary air duct 30, in the projection of the ventilation board 10, the minimum distance between the support column and the ventilation cavity 20 is greater than the width of any auxiliary air duct 30, and a space for sliding any auxiliary air duct 30 is left between the support column and the ventilation cavity 20, so that any auxiliary air duct 30 can completely slide out of the guide groove 22 of the ventilation cavity 20 and can be taken out from the gap between the support column and the ventilation cavity 20, and the detachment of any auxiliary air duct 30 is realized.
Optionally, the supporting columns can be replaced by any component in the frequency conversion box body.
Example 14
Yet another embodiment of the present invention provides a centrifuge defining:
the frequency conversion box body in the embodiment is electrically connected with the centrifuge main body, so that the frequency conversion box body converts the frequency of the power frequency power supply and supplies electric energy to the centrifuge.
Wherein, the centrifugal machine can be a centrifugal refrigeration compressor.
Example 15
As shown in fig. 2, 4 and 6, a specific embodiment of the present invention proposes an air duct structure defining:
the wind channel structure includes the wind channel closing plate (being seal assembly 40), a plurality of fan wind channels (being assist wind channel 30 promptly), ventilation chamber 20, the wind channel fixed plate (being limiting plate 24), right side version (being ventilation plate 10), the right side board, be equipped with vent 12 on the right side board, wherein, a plurality of fan wind channels set up side by side, and the one end in every fan wind channel is connected to on the right side board, the other end is connected to the one end that ventilation chamber 20 is close to the right side board, and a plurality of fan wind channels and vent 12 intercommunication, wherein, the wind channel right-hand member passes through wind channel cardboard (being cardboard 32) and wind channel guide slot (being guide slot 22), the cooperation of wind channel fixed plate, fix the wind channel to capacitor assembly, and it is sealed to paste. The left end of the air duct is sealed by a sealing air duct 402 with slightly larger peripheral dimension formed by the first sealing plate (i.e. the matching sealing plate 42) and the second sealing plate (i.e. the multi-folding sealing plate 44) and by the way that the large air duct is sleeved with the small air duct.
As shown in fig. 3 and 12, further, a sealed air duct 402 is formed by the cooperation of two air duct sealing plates, the distance between the right side plate and the fan assembly is smaller than the width of the sealed air duct 402, and the sealed air duct 402 is sleeved on a plurality of split fan air ducts, so that the size deviation in the left-right direction in the process of assembling a single part is solved.
As shown in fig. 12, further, a sponge (i.e., a cushion 60) is attached to the periphery of each fan duct, so as to achieve a heat preservation effect and prevent the duct from generating condensation; secondly, the air duct sealing effect is achieved; thirdly, the dimensional deviation of the upper part, the lower part, the front part and the rear part of the assembly is absorbed by the partial compression amount of the sponge.
Further, the sum of the maximum size of the fan air duct and the thickness of the cushion pad is larger than the size of the inner wall of the air duct sealing plate, wherein the maximum size of the fan air duct in the air duct sealing plate is the sum of the sizes of all the fan air ducts.
As shown in fig. 6, the air duct sealing plate includes a first sealing plate and a second sealing plate, and the first sealing plate can be detached to form an opening for the plurality of fan air ducts to slide out from the opening.
As shown in fig. 5 and 11, further, the upper side and the lower side of the ventilation cavity 20 are both provided with air duct guide grooves (i.e. guide grooves 22), the upper side and the lower side of each fan air duct are both provided with a clamping plate 32 corresponding to the air duct guide grooves, and the clamping plate 32 can be inserted into the air duct guide grooves and slide along the extending direction of the air duct guide grooves.
As shown in fig. 4, further, an air duct fixing plate is disposed on a vertical edge of the ventilation cavity 20 on a side far from the second sealing plate, a clamping plate 32 is disposed on a vertical edge of a side, close to the air duct fixing plate, of the fan air duct sliding into the air guide groove 22, and the clamping plate 32 can be clamped on the air duct fixing plate to limit a relative position between the fan air duct sliding into the air guide groove 22 and the ventilation cavity 20.
Further, adjacent two fan wind channels are close to each other's vertical edge, and one of them fan wind channel's vertical edge is equipped with the hem, and the hem forms the recess, and another fan wind channel's vertical edge is equipped with cardboard 32, and cardboard 32 can stretch into in the recess to two adjacent fan wind channels of fixed.
As shown in fig. 4, further, the number of the fan air ducts is two, two ends of each fan air duct are detachably connected with the right side plate and the ventilation cavity 20, and the air duct structure is split into two smaller fan air ducts and one ventilation cavity 20, so that the size of a single air duct is reduced, the disassembly stroke is reduced, and the condition that the fan air ducts cannot be disassembled is avoided.
Further, a capacitor assembly is arranged in the ventilation cavity 20, and heat dissipation of the capacitor assembly is achieved through the ventilation cavity 20.
According to the air duct assembly provided by the invention, the length of the auxiliary air ducts extending into the inner wall of the sealing assembly is adjustable, the problem that due to assembly errors, larger distance exists between the auxiliary air ducts and the ventilating plate, so that the assembly is difficult or the sealing performance is poor is solved, and the sealing performance of the auxiliary air ducts is improved.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. An air duct assembly, comprising:
the ventilation plate is provided with a ventilation opening and a sealing assembly wound on the ventilation opening;
one end of the ventilation cavity is provided with a plurality of auxiliary air channels which are arranged corresponding to the ventilation openings;
the auxiliary air duct is detachably connected with the ventilation cavity, the inner wall size of the sealing assembly is larger than a plurality of the outer wall size of the auxiliary air duct, the auxiliary air duct is far away from one end of the ventilation cavity, the sealing assembly is sealed, and the ventilation opening is formed in a plurality of the auxiliary air duct to convey cold air.
2. The air duct assembly of claim 1, wherein the seal assembly specifically comprises:
the multi-fold sealing plate is arranged on the ventilation plate and wound on the ventilation opening, an opening facing one side is formed in the multi-fold sealing plate, and the auxiliary air duct can move through the opening;
and the matching sealing plate is arranged corresponding to the multi-fold sealing plate.
3. The air duct assembly of claim 1, wherein the seal assembly specifically comprises:
the first folded edge is connected with the ventilation plate;
a second folded edge fixedly connected with the first folded edge, and a non-zero included angle is formed between the second folded edge and the first folded edge,
the second flange can guide the dismounting and moving direction of the auxiliary air duct.
4. The air duct assembly according to claim 2, wherein two ends of the multi-fold sealing plate are respectively provided with a first oblique edge bent outwards, two ends of the matching sealing plate are respectively provided with a second oblique edge matched with the first oblique edge in shape, and the first oblique edge and the second oblique edge are abutted to form a circumferentially closed sealed air duct.
5. The air duct assembly of claim 2, further comprising:
a buffer pad arranged on the inner wall of the multi-fold sealing plate, and/or arranged on the inner wall of the matching sealing plate, and/or arranged on the outer wall of the auxiliary air duct,
wherein the bumper pad is deformable.
6. The air duct assembly of claim 5, wherein, in a first direction, a sum of a maximum dimension of the secondary air duct within the seal assembly and a thickness of the cushion is greater than an inner wall dimension of the seal assembly,
wherein the maximum dimension of the secondary air ducts within the seal assembly is the sum of the dimensions of each of the secondary air ducts in the first direction.
7. The air duct assembly according to any one of claims 1 to 6, wherein at least two of the secondary air ducts are movable in a direction perpendicular to an extending direction of the ventilation chamber, the air duct assembly further comprising:
the guide groove is arranged at one end of the ventilation cavity close to the ventilation opening;
a clamping plate arranged at one end of each auxiliary air channel close to the ventilation cavity,
and the moving direction of the auxiliary air duct is limited by the matching of the guide groove and the clamping plate.
8. The air duct assembly of claim 7, further comprising:
the limiting plate is arranged at one end, close to the ventilation opening, of the ventilation cavity, and the limiting position of the auxiliary air channel on the guide groove is limited through the limiting plate.
9. The air duct assembly according to claim 7, wherein the dismounting and mounting moving directions of at least two of the auxiliary air ducts are the same, and in all the auxiliary air ducts with the same dismounting and mounting moving directions, any two adjacent auxiliary air ducts are provided with mutually matched limiting structures along the dismounting and mounting moving directions, so that the relative positions of the two adjacent auxiliary air ducts on the guide grooves are limited by the limiting structures.
10. The air duct assembly according to claim 1, wherein an overfire cross-sectional area of each of the secondary air ducts is less than an overfire cross-sectional area of the ventilation chamber.
11. The air duct assembly of claim 1,
the moving direction of the auxiliary air duct is vertical to the extending direction of the ventilation cavity; or
The moving direction of the auxiliary air channel is parallel to the extending direction of the ventilation cavity.
12. The utility model provides a converter box, its characterized in that includes:
the box body is internally sealed;
the air duct assembly according to any one of claims 1 to 11, disposed in the box, and a ventilation board of the air duct assembly is disposed in the box.
13. The inverter box body of claim 12, further comprising:
a support column arranged on one side of the ventilation plate facing the ventilation cavity of the air duct assembly,
wherein, at least one of the wind channel subassembly is assisted the wind channel and can be followed the surface slip of ventilating board, and on the projection of ventilating board, the minimum distance between support column and the ventilation chamber is greater than arbitrary assist the width in wind channel.
14. A centrifuge, comprising:
a centrifuge body;
the inverter box body of claim 13, electrically connected to the centrifuge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911198382.2A CN110881265B (en) | 2019-11-29 | 2019-11-29 | Air duct assembly, frequency conversion box body and centrifugal machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911198382.2A CN110881265B (en) | 2019-11-29 | 2019-11-29 | Air duct assembly, frequency conversion box body and centrifugal machine |
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| CN110881265A CN110881265A (en) | 2020-03-13 |
| CN110881265B true CN110881265B (en) | 2021-05-04 |
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| CN114040651B (en) * | 2021-11-15 | 2023-05-16 | 中国电子科技集团公司第二十九研究所 | Active air cooling device capable of adjusting cooling area |
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| CN201160255Y (en) * | 2008-02-03 | 2008-12-03 | 陈国金 | Frequency convertor with multi-cooling air duct structure |
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| CN110881265A (en) | 2020-03-13 |
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Effective date of registration: 20210207 Address after: Room C, 14th floor, 309 Tanggu Road, Hongkou District, Shanghai 200080 Applicant after: Shanghai Meikong Intelligent Building Co.,Ltd. Applicant after: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Address before: 528311 Industrial Road, Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Applicant before: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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