CN103307009B - The scavenger fan supporting structure of semi-conductor electricity power conversion device - Google Patents
The scavenger fan supporting structure of semi-conductor electricity power conversion device Download PDFInfo
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- CN103307009B CN103307009B CN201310065935.3A CN201310065935A CN103307009B CN 103307009 B CN103307009 B CN 103307009B CN 201310065935 A CN201310065935 A CN 201310065935A CN 103307009 B CN103307009 B CN 103307009B
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Abstract
The present invention provides a kind of and is not provided with service clearance above exhaust portion and can extract the scavenger fan supporting structure of the semi-conductor electricity power conversion device of scavenger fan main body in the horizontal direction out.Peristome on the cabinet top being formed at semi-conductor electricity power conversion device, centrifugal scavenger fan is supported by exhaust portion installing plate, the air inlet in the suction inlet of this scavenger fan main body is inserted in scavenger fan main body that this centrifugal scavenger fan includes fan installing plate is fixed on top and front end, above-mentioned exhaust portion installing plate includes the pair of side plates guiding for a pair supporting side plate and at least one of which to load and unload that a pair opposite guide portion of fan installing plate to above-mentioned scavenger fan main body in the horizontal direction guides, and top panel is formed on top, at least one in above-mentioned guiding supporting side plate and above-mentioned side plate has passage simultaneously, support the air inlet installing plate of above-mentioned air inlet in above-below direction liftably supporting and fixing in bottom.
Description
Technical field
The present invention relates to the scavenger fan supporting structure of semi-conductor electricity power conversion device, for supporting the scavenger fan being discharged to the outside by the steam in the cabinet of semi-conductor electricity power conversion device.
Background technology
Scavenger fan supporting structure as this semi-conductor electricity power conversion device, for instance the known structure having described in patent documentation 1.In this semi-conductor electricity power conversion device, have in cabinet: the switch module of the built-in igbt as heat generating components (IGBT), rectifier module, electrolysis condenser etc..In this semi-conductor electricity power conversion device, from the scavenger fan aerofluxus upward being arranged in cabinet top, from there through the cold wind obtained from bottom, switch module, rectifier module and electrolysis condenser etc. are cooled down.
In the conventional example described in this patent documentation 1, by scavenger fan by the aerofluxus upward of the steam in cabinet, thus be accordingly used in the space requirement of receiving of configuring semiconductor power inverter, in the upper side of semi-conductor electricity power conversion device, there is wide aerofluxus space.
But, when the upper space of semi-conductor electricity power conversion device can not arrange wide aerofluxus space, it is useful in, as scavenger fan, the centrifugal scavenger fan that centrifugal direction is exhausted.
As the semi-conductor electricity power conversion device being provided with this centrifugal scavenger fan, the such as known composition having shown in Fig. 7～Fig. 9 in prior art.
In this conventional example, as shown in Figure 7, for instance be equipped with exhaust portion 101 on the top of cabinet 100, this cabinet 100, at lower container electrolysis condenser, is configured with switch module, rectifier module on top.Herein, exhaust portion 101 is as shown in Figure 8 and Figure 9, air inlet 102 is arranged on air inlet installing plate 103, the side panel 104～107 all around of the outer circumferential side configuration on this air inlet installing plate 103, and it is configured with pillar 108～111 in the inner side of these side panels 104～107.And, it being supported with scavenger fan installing plate 113 in the upper end of pillar 108～111, this scavenger fan installing plate 113 supports scavenger fan main body 112, utilizes top panel 114 to cover above this scavenger fan installing plate 113.
Prior art literature
Patent documentation
Patent documentation 1: JP 2004-180424 public affairs
Summary of the invention
Invent problem to be solved
But, in the scavenger fan supporting structure of the semi-conductor electricity power conversion device shown in Fig. 7～Fig. 9, owing to being suitable for the relation of centrifugal scavenger fan, from the aerofluxus of scavenger fan by centrifugal force aerofluxus in the horizontal direction.Therefore, the space of aerofluxus need not be used on the top of exhaust portion 101, even if there is no the space of receiving in unnecessary space at upper space, it is also possible to configuring semiconductor power inverter.
But, in above-mentioned conventional example, because being suitable for centrifugal scavenger fan, so the state of the front end being inserted into air inlet with the suction inlet in scavenger fan main body is fixed.
Therefore, when checking or replace scavenger fan main body, there is following unsolved problem, namely, extract scavenger fan main body from above out, or once move scavenger fan main body up, it is necessary to after the front end of the suction inlet with air inlet that make scavenger fan main body separates, scavenger fan main body is extracted out from front etc., at the service clearance of the regulation required above of exhaust portion.
Thus, the present invention is conceived to the unsolved problem of above-mentioned conventional example and completes, and its object is to provide a kind of and is not provided with service clearance above exhaust portion and can extract the scavenger fan supporting structure of the semi-conductor electricity power conversion device of scavenger fan main body in the horizontal direction out.
For the method solving problem
To achieve these goals, the first aspect of the scavenger fan supporting structure of the semi-conductor electricity power conversion device that the present invention relates to is in that, at the peristome on the cabinet top being formed at semi-conductor electricity power conversion device, supports centrifugal scavenger fan by exhaust portion installing plate.The air inlet in the suction inlet of this scavenger fan main body is inserted in scavenger fan main body that this centrifugal scavenger fan includes fan installing plate is fixed on top and front end.And, described exhaust portion installing plate includes the pair of side plates guiding for a pair supporting side plate and at least one of which to load and unload that a pair opposite guide portion of fan installing plate to above-mentioned scavenger fan main body in the horizontal direction guides, and top panel is formed on top, in at least one of above-mentioned guiding supporting side plate and above-mentioned side plate, there is passage simultaneously, support the air inlet installing plate of above-mentioned air inlet in bottom in above-below direction liftably supporting and fixing.
According to this first aspect, the lower face side liftably supporting and fixing at exhaust portion installing plate supports the air inlet installing plate of air inlet, and this exhaust portion installing plate defines the enclosure surrounding scavenger fan main body on top.Therefore, when scavenger fan being checked or repairing, by making air inlet installing plate decline, it is possible to make the front end of air inlet depart from from the suction inlet of scavenger fan main body.In this condition, it is possible to scavenger fan main body is extracted out in the horizontal direction.
Additionally, the second aspect of the scavenger fan supporting structure of the semi-conductor electricity power conversion device that the present invention relates to is in that, above-mentioned exhaust portion installing plate has air inlet supporting parts, this air inlet supporting parts in the installation site front end of above-mentioned air inlet being inserted in the suction inlet of above-mentioned scavenger fan main body and the front end from the above-mentioned air inlet in this fixed position between the scavenger fan loading position that the suction inlet of above-mentioned scavenger fan main body declines, liftably supporting above-mentioned air inlet installing plate.
According to this second aspect, parts are supported by being arranged on the air inlet of exhaust portion installing plate, can liftably prop up at above-below direction and honour the air inlet installing plate that air inlet carries out supporting, therefore parts are supported by air inlet, air inlet installing plate is made to move to loading position from installation site, thus air inlet departs from downwards from the suction inlet of scavenger fan main body, it is possible to be exhausted fan main body movement in the horizontal direction.
Additionally, the third aspect of the scavenger fan supporting structure of the semi-conductor electricity power conversion device that the present invention relates to is in that, above-mentioned air inlet supporting parts at least have and are fixed on above-mentioned air inlet installing plate top nut and insert the outer circumferential side of above-mentioned exhaust portion installing plate and position adjustment bolt that above-mentioned nut screws.
According to this third aspect, by the position that screws of position adjustment bolts and nuts is adjusted, it is possible to make air inlet installing plate lift between installation site and loading position.
Additionally, the fourth aspect of the scavenger fan supporting structure of the semi-conductor electricity power conversion device that the present invention relates to is in that, above-mentioned air inlet supporting parts also have and screw with the front end of above-mentioned position adjustment bolt, prevent coming off of above-mentioned position adjustment bolt falling from preventing from using nut.
According to this fourth aspect, prevent with nut by arranging in the front end of fixing bolt to come off, it is possible to reliably prevent position adjustment nut from departing from from fixing bolt and falling.
Moreover, it relates to the 5th aspect of scavenger fan supporting structure of semi-conductor electricity power conversion device be in that, above-mentioned air inlet supporting parts also have the spring washer between the head being arranged on above-mentioned position adjustment bolt and above-mentioned exhaust portion installing plate.
According to the 5th aspect, by being provided with spring washer between the head of position adjustment bolt and exhaust portion installing plate, it is possible to prevent the lax of position adjustment nut.
Moreover, it relates to the 6th aspect of scavenger fan supporting structure of semi-conductor electricity power conversion device be in that, above-mentioned air inlet installing plate has and is projected into the following air inlet incorporating section receiving above-mentioned air inlet.
According to the 6th aspect, it is possible to air inlet to be fixed on relatively low position, it is possible to the height that scavenger fan is overall is suppressed relatively low.
Moreover, it relates to the 7th aspect of scavenger fan supporting structure of semi-conductor electricity power conversion device be in that, a pair guide portion of said fans installing plate is made up of the anti-concave guiding groove in the cross section of lower aperture.
According to the 7th aspect, as long as the guiding groove of fan installing plate being fastened on the upper surface of a pair guiding side plate, it becomes possible to make fan installing plate move in the horizontal direction.
Moreover, it relates to the eighth aspect of scavenger fan supporting structure of semi-conductor electricity power conversion device be in that, the lateral surface forming above-mentioned guiding groove at said fans installing plate is formed with the hook fastener of locking grabhook.
According to this eighth aspect, fan installing plate is directly formed the hook fastener of locking grabhook, therefore hook fastener it is not additionally formed at the upper surface of fan installation portion, it is possible to by engaging hook fastener and utilizing crane to sling fan installation portion and scavenger fan main body.
Moreover, it relates to the 9th aspect of scavenger fan supporting structure of semi-conductor electricity power conversion device be in that, above-mentioned exhaust portion installing plate releasably constitutes the front side plate in above-mentioned pair of side plates.
According to the 9th aspect, by unloading front side plate, it is possible to fan installing plate and scavenger fan main body are extracted out from face side, it is possible to increase maintainability.
The effect of invention
Following effect can be obtained, i.e. when being suitable for centrifugal scavenger fan, be not provided with maintenance space in cabinet upper side, it becomes possible to be easily exhausted the handling operation of fan main body according to the present invention.
Accompanying drawing explanation
[Fig. 1] indicates that the overall structure figure of an embodiment of the invention.
[Fig. 2] indicates that the figure of exhaust portion, and (a) is front elevation, and (b) is axonometric chart.
[Fig. 3] is the exploded perspective view of exhaust portion.
[Fig. 4] is the sectional view of the major part under the state that enlarged representation makes the air inlet installing plate of exhaust portion be in installation site.
[Fig. 5] is the sectional view of the major part under the state that enlarged representation makes the air inlet installing plate of exhaust portion be in loading position.
[Fig. 6] indicates that the axonometric chart of the state of the fan installing plate having unloaded exhaust portion.
[Fig. 7] indicates that the overall structure figure of conventional example.
[Fig. 8] indicates that the figure of the exhaust portion of conventional example, and (a) is front elevation, and (b) is axonometric chart.[Fig. 9] indicates that the exploded perspective view of the exhaust portion of conventional example.
Symbol description
null1 ... semi-conductor electricity power conversion device、2 ... bottom cabinet、3 ... top cabinet、9 ... exhaust portion、11 ... exhaust portion installing plate、12 ... enclosure、13 ... air inlet、14 ... air inlet installing plate、15 ... fan main body、16 ... fan installing plate、21 ... peristome、22 ... plate portion、23 ... bending section、24 ... bolt insertion hole、31，32 ... guide supporting side plate、33 ... back side side plate、34 ... front side plate、41 ... horizontal plate part、42 ... portion received by air inlet、43 ... bolt insertion hole、51 ... horizontal plate part、52，53 ... guiding groove、54 ... bending section、55，56 ... side plate、57 ... hook fastener、60 ... air inlet supporting parts、61 ... position adjustment bolt、62 ... spring washer、63 ... packing ring、64 ... nut、65 ... come off and prevent nut
Detailed description of the invention
Below according to accompanying drawing, embodiments of the present invention are illustrated.
Fig. 1 indicates that the overall structure figure of an embodiment of the invention.In figure, 1 is semi-conductor electricity power conversion device, and this semi-conductor electricity power conversion device 1 has: the bottom cabinet 2 of built-in such as electrolysis condenser and the built-in top cabinet 3 including the switch module of igbt (IGBT), rectifier module etc..
Bottom cabinet 2 connects in inside with top cabinet 3, on the switch gate 4 in the front of bottom cabinet 2, is formed with passage 5 in the substantially whole region of above-below direction.The upper side of the switches 6 in the front of top cabinet 3 forms passage 7, and is configured with exhaust portion 9 at the peristome 8 being formed at top.
Exhaust portion 9 as shown in Figure 2 to 4, is formed as the rectangular shape with square sectional.This exhaust portion 9 such as Fig. 3 it will be clear that include: be arranged on the exhaust portion installing plate 11 of the peristome 8 of top cabinet 3；It is arranged on the enclosure 12 in the upper periphery portion of this installing plate 11；The air inlet installing plate 14 being provided with air inlet 13 liftably supported by the lower surface of exhaust portion installing plate 11；The fan installing plate 16 being provided with centrifugal scavenger fan main body 15 of the upper surface supporting in besieged portion 12；Top panel 17 with inaccessible upper surface.
Exhaust portion installing plate 11 as shown in Figure 3 and Figure 4, including the square water flat part 22 being formed with the peristome 21 inserting air inlet 13 at central part and the twisted plate portion 23 bent upward in each neighboring of this horizontal plate part 22.And, at the corner location of the inner side being positioned at twisted plate portion 23 of horizontal plate part 22, as shown in Figure 4, it is formed with bolt insertion hole 24.
Enclosure 12 includes: guides supporting side plate 31 and 32, is fixed on the right position of the upper surface of the horizontal plate part 22 of exhaust portion installing plate 11 for a pair；Back side side plate 33, connects the rear end face of above-mentioned guiding supporting side plate 31 and 32, is fixed on the back position of the upper surface of exhaust portion installing plate 11；With front side plate 34, connection guides the front end face of supporting side plate 31 and 32, is arranged on the front position of the upper surface of exhaust portion installing plate 11 with freely loading and unloading.Each side plate 31～34 is formed the such as cancellate passage 35 that aerofluxus is released to outside.It addition, about the guiding supporting side plate 31 and 32 of left and right, be formed with the bending section 37 making four limits in smooth rectangular plate portion 36 bend to the inside, thus improve rigidity.About back side side plate 33 and the front side plate 34 of front and back, it is made up of flat board.
Air inlet installing plate 14 has horizontal plate part 41 as shown in Figure 3 and Figure 4 and portion 42 received by air inlet, this horizontal plate part 41 can contact with the outer circumferential side of the peristome 21 of the horizontal plate part 22 of exhaust portion installing plate 11, and portion 42 received by this air inlet is recess that is more prominent downwards to the inside than the outer peripheral edge of this horizontal plate part 41 and that formed.On horizontal plate part 41, the position opposed with the bolt insertion hole 24 that the horizontal plate part 22 of exhaust portion installing plate 11 is formed is formed with bolt insertion hole 43.It addition, receive portion 42 at air inlet to be provided with the air inlet 13 to top cabinet 3 one side opening, the front end of this air inlet 13 is protruding above to horizontal plate part 41.
Fan installing plate 16 as shown in Figure 3 and Figure 4, has the horizontal plate part 51 that contacts of inner peripheral surface guiding supporting side plate 31 and 32 with above-mentioned left and right and the anti-concave guiding groove 52,53 being bent to form at the left and right end of horizontal plate part 51.Front/rear end at horizontal plate part 51 is formed with the bending section 54 bent downwards.It addition, be provided with the scavenger fan main body 15 of centrifugal scavenger fan in the lower face side of horizontal plate part 51, this scavenger fan main body 15 has suction inlet 15a in lower end, will discharge from the suction inlet 15a aerofluxus sucked from cylinder outer peripheral face.And, as shown in Figure 4, the inner peripheral surface at the suction inlet 15a of the lower surface being formed at scavenger fan main body 15 is inserted into the front end of QI KOU 13, thus constitutes centrifugal scavenger fan 18.
It addition, the left and right side of scavenger fan main body 15 is as shown in Figure 4, it is preferable that be formed as vertebra shape face according to going the mode of its narrowed width upward from lower end.So, by making the left and right side of scavenger fan main body 15 be formed as vertebra shape face, when making scavenger fan main body 15 slide, the resistance to sliding between the guiding supporting side plate 31 and 32 of left and right can be reduced, it is possible to be easily exhausted extraction and the installation of fan main body 15.
Wherein, the left and right side of scavenger fan main body 15 can also be formed as the face shape beyond vertebra shape face.
It addition, as shown in Figure 4, it is preferable that being formed in the following side of scavenger fan main body 15 and guide ridge 39, this guiding ridge 39 engages with the notch 38 on the bending section 37 guiding supporting side plate 31,32 being formed at left and right.So, by forming guiding ridge 39 in the following side of scavenger fan main body 15, it is possible to utilize the installation site of guiding groove 52, the 53 correctly regulation scavenger fan main body 15 of this guiding ridge 39 and fan installing plate 16.Therefore, it is possible to adjust the front end of air inlet 13 accurately to the amount of inserting of the suction inlet 15a of scavenger fan main body 15.
It addition, in the outer panel portion 55,56 forming guiding groove 52,53, as it is shown on figure 3, respectively it is formed with the hook fastener 57 of the not shown grabhook of two places locking in rear ends side.
And, the bolt insertion hole 24 at exhaust portion installing plate 11 is fixed with air inlet supporting parts 60.This air inlet supporting parts 60, if the enlarged drawing of Fig. 4 is it will be clear that the upper face side with the bolt insertion hole 24 from exhaust portion installing plate 11 inserts the position adjustment bolt 61 of the bolt insertion hole 43 of bolt insertion hole 24 and air inlet installing plate 14.It addition, air inlet supporting parts 60 have the spring washer 62 and packing ring 63 that are arranged between the head 61a of position adjustment bolt 61 and the upper surface of exhaust portion installing plate 11.Air inlet supporting parts 60 also have: nut 64, it screws with position adjustment bolt 61 in the following side of air inlet installing plate 14, is fixed on the lower face side of bolt insertion hole 43 by fixing meanss such as welding；Preventing nut 65 with coming off, it screws with position adjustment bolt 61 in the downside of this nut 64, is made up of two retainer nuts.
Wherein, come off and prevent nut 65 from setting as follows relative to the position that screws of position adjustment bolt 61: position of rotation adjusts bolt 61 makes it be moved upward (rotating in a counter-clockwise direction when for right-hand screw), the position at least contacted with the bottom surface of nut 64 at the upper surface preventing nut 65 that comes off, air inlet installing plate 14 becomes the front end of air inlet 13 from the suction inlet 15a of scavenger fan main body 15 loading position departed from downwards.
Additionally, it is set as follows: position of rotation adjusts bolt 61 makes it move downwards (rotating in a clockwise direction when for right-hand screw) in contrast to the above, when the restraint location that the lower surface becoming upper surface and the exhaust portion installing plate 11 making air inlet installing plate 14 contacts, air inlet installing plate 14 becomes the front end of air inlet 13 and is inserted into the installation site in the suction inlet 15a of scavenger fan main body 15.
Then, the action of above-mentioned embodiment is illustrated.
First, as it is shown in figure 1, exhaust portion 9 is arranged on the position of the peristome 8 of top cabinet 3.In this condition, as shown in Figure 4, fastening supports, with air inlet, the position adjustment bolt 61 that the nut 64 of parts 60 screws.Thus, utilizing head 61a and the nut 64 of position adjustment bolt 61, the upper surface of the horizontal plate part 41 of air inlet installing plate 14 contacts with the lower surface of the horizontal plate part 22 of exhaust portion installing plate 11, and air inlet installing plate 14 is fixed on installation site.
Now, as shown in Figure 4, the front end of the air inlet 13 being arranged on air inlet installing plate 14 is inserted in the suction inlet 15a of scavenger fan main body 15, constituting centrifugal fan, this scavenger fan main body 15 is arranged on the lower surface of the horizontal plate part 51 of the fan installing plate 16 guiding supporting side plate 31 and 32 supporting of the left and right in besieged portion 12.
In this condition, by rotating the fan (not shown) driven in scavenger fan main body 15, steam in top cabinet 3 is circumferentially blown, is released to outside by the passage 35 of enclosure 12 after attracteding in scavenger fan main body 15 by air inlet 13.
Now, bottom cabinet 2 and top cabinet 3 become negative pressure, therefore in bottom cabinet 2, suck cold wind by passage 5, in top cabinet 3, suck cold wind by passage 7.The cold wind sucked cools down electrolysis condenser respectively, cools down after switch module and rectifier module further, by forming the peristome 8 of the upper surface at top cabinet 3, attracted in scavenger fan main body 15 via air inlet 13.
Therefore, the electrolysis condenser of heating, switch module and rectifier module can effectively be cooled down by cold wind.In this condition, the aerofluxus discharged from exhaust portion 9 is released in the horizontal direction by enclosure 12, therefore need not arrange aerofluxus space at the upper side of exhaust portion 9.
When being centrifuged the maintenance of formula fan from the operating condition of this power inverter 1 or replace, first, at least unload front side plate 34.Then or before it, relax at the position adjustment bolt 61 of inner side configuration in twisted plate portion 23 of neighboring of horizontal plate part 22 of exhaust portion installing plate 11.Correspondingly, expanding the distance between the head 61a of position adjustment bolt 61 and nut 64, thus air inlet installing plate 14 declines relative to exhaust portion installing plate 11, and air inlet 13 also declines.And, as it is shown in figure 5, when becoming the state of the bottom surface of nut 64 and the upper surface preventing nut 65 that comes off, air inlet installing plate 14 is positioned at loading position, and the front end of air inlet 13 departs from downwards from the suction inlet 15a of scavenger fan main body 15.Therefore, from horizontal direction, the front end of air inlet 13 and the suction inlet of scavenger fan main body 15 become mutually non-interference position.
In this condition, as shown in Figure 6, it is possible to making guiding groove 52 and 53 engage with the upper surface guiding supporting side plate 31 and 32 of left and right respectively, forwards (face side) pulls out fan installing plate 16 on one side.Thereby, it is possible to be exhausted maintenance or the replacement of fan main body 15.In this situation, it is not required that in order to separate the air inlet 13 and scavenger fan main body 15 constituting centrifugal scavenger fan, and it is provided above service clearance in exhaust portion 9.
And, when making guiding supporting side plate 31 and 32 engage in guiding groove 52 and 53, make fan installing plate 16 slide, it is possible to easily be pulled out to outside by fan installing plate 16.Therefore, it is possible to easily carry out the maintenance activity of fan main body at short notice and replace operation.
It addition, fan installing plate 16 has: horizontal plate part 51；At the guiding groove 52 and 53 that the left and right end portions of this horizontal plate part 51 is bent to form；At the bending section 54 downwards that the rear ends of horizontal plate part 51 is formed, it is possible to guarantee the rigidity of fan installing plate 16, it is possible to make the lower thickness of sheet material.
Additionally, owing to being formed with the hook fastener 57 of locking grabhook in the outer panel portion 55 and 56 of left and right forming guiding groove 52 and 53, it is possible to directly engage grabhook at this hook fastener 57, do not additionally use the latch for printed circuit for engaging grabhook and just can sling fan installing plate 16 and scavenger fan main body 15.
It may be mentioned that in the conventional example shown in Fig. 7～Fig. 9, it is impossible to form the hook fastener of locking grabhook.It is thus desirable to plate 114 is such as formed female thread herein above so that it is the hook fastener of his parts screws after having carried out installing on this female thread, makes grabhook be locked on and slings on hook fastener.Therefore, when completing fan installing plate and fan main body mobile, when hook fastener is remained former state, in addition it is also necessary to the upper space of the amount of the height of hook fastener, it is therefore desirable to unload hook fastener.
But, in the above-described embodiment, hook fastener 57 and fan installing plate 16 form, and hook fastener 57 does not highlight upward, thus without the unfavorable condition producing above-mentioned conventional example.
Additionally, in the present embodiment, the simple structure only arranging air inlet supporting parts 60 for making the structure that air inlet installing plate 14 lifts between installation site and loading position be is just passable, this air inlet supporting parts 60 have position adjustment bolt 61 and screw, are fixed on the nut 64 of lower face side of bolt insertion hole 43 of horizontal plate part 41 of air inlet installing plate 14 with this position adjustment bolt 61, whether whether air inlet installing plate 14 arrives installation site and loading position, it is possible to become to rotate by position adjustment bolt 61 and judge.Therefore, when environment is dark, it is also possible to reliably detect the air inlet installing plate 14 movement to installation site and loading position.
Further, since support in parts 60, at air inlet, coming off of being provided with that the lower end with position adjustment bolt 61 screws to prevent nut 65, depart from and air inlet installing plate 14 falls downwards it is possible to be reliably prevented nut 64 from position adjustment bolt 61.The lifting of air inlet installing plate 14 can be smoothed out with a wet finger.
Between the head 61a and exhaust portion installing plate 11 of position adjustment bolt 61, spring washer 62 is installed further, since support in parts 60 at air inlet, therefore, it is possible to prevent the lax of position adjustment nut 64.
It addition, in the above-described embodiment, the situation that the upside from exhaust portion installing plate 11 is inserted the position adjustment bolt 61 constituting air inlet supporting parts 60 is illustrated.But, the present invention is not limited to above-mentioned composition, it is also possible to makes position adjustment bolt 61, nut 64 and falling prevent nut from becoming contrary up and down relation, makes position adjustment bolt 61 be fixed on the horizontal plate part 41 of air inlet installing plate 14.In this case, the upper surface side at the horizontal plate part 22 of exhaust portion installing plate 11 is configured with the nut 64 screwed with position adjustment bolt 61, therefore by making this nut 64 rotate, it is possible to carry out the lifting of air inlet installing plate 14.
Additionally, in the above-described embodiment, it is illustrated by the situation that nut 64 is fixed on air inlet installing plate 14, but it is not limited to this, nut 64 can also be made rotatable relative to air inlet installing plate 14, such as make nut 64 rotate in top cabinet 3, thus make air inlet installing plate 14 lift.
Additionally, in the above-described embodiment, the situation of nut 65 is prevented to be illustrated to being provided with to come off at air inlet supporting parts 60, but can also omit comes off prevents nut 65, after making position adjustment bolt 61 and nut 64 screw, the lower end of position adjustment bolt 61 can be reinforced, or welding falls and prevents parts.It addition, spring washer 62 can also be arranged between position adjustment nut 64 and air inlet installing plate 14.
It addition, in the above-described embodiment, the situation being made up of air inlet supporting parts 60 position adjustment bolt 61 and nut 64 is illustrated.But, the present invention is not limited to above-mentioned composition, setting can also be carried out as follows: on the horizontal plate part 22 of exhaust portion installing plate 11 or the horizontal plate part 41 of air inlet installing plate 14, form spiral helicine inclined plane, it is possible to make the rotating shaft with the snap-latch surface engaged with this spiral helicine inclined plane rotate from the upper surface side of the horizontal plate part 22 of exhaust portion installing plate 11.In this case, by making this rotating shaft rotate, the clamped position with spiral helicine inclined plane of snap-latch surface changes at above-below direction, thus enables that air inlet installing plate 14 lifts.Now, it is preferable that the lock cell such as locking rotating shaft with the horizontal plate part 41 of air inlet installing plate 14 when the horizontal plate part 22 of exhaust portion installing plate 11 contacts is set.As this lock cell, for instance can be made up of the snap-latch piece prominent to radial direction formed on the rotary shaft and the removably engagement pin engaged with it.
Additionally, the vertebra shape face extended in the horizontal direction can also be formed at the upper surface of the horizontal plate part 41 of the horizontal plate part 22 of exhaust portion installing plate 11, it is arranged in the engaging roller that horizontal direction movably engages with this vertebra shape face along vertebra shape face, makes this engaging roller and air inlet installing plate 14 link.It is also preferred that arrange lock cell in this situation, this lock cell is such as locked and fastened when the horizontal plate part 22 of exhaust portion installing plate 11 contacts with the horizontal plate part 41 of air inlet installing plate 14 roller.An example as this lock cell, it is considered to the topmost in vertebra shape face forms the engaging portion of locking engaging roller.
It addition, in the above-described embodiment, the situation being formed with guiding groove 52 and 53 on fan installing plate 16 is illustrated.But, the present invention is not limited to above-mentioned composition, it is possible to the left and right both end sides at fan installing plate 16 forms the ridge extended downwards, forms guiding groove in the upper end guiding supporting side plate 31 and 32 of left and right.
Industrial utilizability
In accordance with the invention it is possible to provide a kind of to be not provided with the scavenger fan supporting structure that service clearance just can pull out the semi-conductor electricity power conversion device of scavenger fan main body in the horizontal direction above exhaust portion.
Claims (9)
1. the scavenger fan supporting structure of a semi-conductor electricity power conversion device, it is characterised in that:
At the peristome on the cabinet top being formed at semi-conductor electricity power conversion device, support centrifugal scavenger fan by exhaust portion installing plate,
Described centrifugal scavenger fan includes: described exhaust portion installing plate；It is arranged on the enclosure in the upper periphery portion of described exhaust portion installing plate；In the centrifugal scavenger fan main body that the upper surface of described enclosure is supported by；Air inlet to described cabinet upper side opening；The air inlet installing plate being provided with described air inlet being liftably supported by with the lower surface at described exhaust portion installing plate,
Described enclosure includes the pair of side plates guiding for a pair supporting side plate and at least one of which to load and unload that a pair opposite guide portion of fan installing plate to described scavenger fan main body in the horizontal direction guides,
The inner peripheral surface of the suction inlet of the lower surface being formed at described centrifugal scavenger fan main body is inserted in the front end of described air inlet,
Described guiding supporting side plate and described side plate each have cancellate passage, by rotating the fan driving described centrifugal scavenger fan main body, circumferentially it is blown after attracteding in described centrifugal scavenger fan main body from the steam on described cabinet top by described air inlet, and the passage each being had by described guiding supporting side plate and described side plate is to the outside discharge of described centrifugal scavenger fan.
2. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 1, it is characterised in that:
Described exhaust portion installing plate has air inlet supporting parts, described air inlet supporting parts the fixed position front end of described air inlet being inserted in the suction inlet of described scavenger fan main body and from the front end of air inlet described in this fixed position from the suction inlet of described scavenger fan main body decline scavenger fan loading position between, liftably support described air inlet installing plate.
3. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 2, it is characterised in that:
Described air inlet supporting parts at least have the nut being fixed on described air inlet installing plate and insert the position adjustment bolt that the outer circumferential side of described exhaust portion installing plate screws with described nut.
4. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 3, it is characterised in that:
Described air inlet supporting parts also have to screw with the front end of described position adjustment bolt and prevent described coming off of position adjustment bolt falling from preventing nut.
5. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 4, it is characterised in that:
Described air inlet supporting parts also have the spring washer between the head being arranged at described position adjustment bolt and described exhaust portion installing plate.
6. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 1, it is characterised in that:
Described air inlet installing plate has and is projected into the following air inlet incorporating section receiving described air inlet.
7. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 1, it is characterised in that:
A pair guide portion of described fan installing plate is made up of the anti-concave guiding groove in the cross section of lower aperture.
8. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 7, it is characterised in that:
Described fan installing plate is formed with the hook fastener of locking grabhook at the lateral surface forming described guiding groove.
9. the scavenger fan supporting structure of semi-conductor electricity power conversion device as claimed in claim 1, it is characterised in that:
In described exhaust portion installing plate, the front side plate in the pair of side plate can load and unload.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012056505A JP5861509B2 (en) | 2012-03-13 | 2012-03-13 | Exhaust fan support structure for semiconductor power converter |
| JP2012-056505 | 2012-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307009A CN103307009A (en) | 2013-09-18 |
| CN103307009B true CN103307009B (en) | 2016-07-06 |
Family
ID=49132600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310065935.3A Active CN103307009B (en) | 2012-03-13 | 2013-03-01 | The scavenger fan supporting structure of semi-conductor electricity power conversion device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5861509B2 (en) |
| CN (1) | CN103307009B (en) |
| BR (1) | BR102013005047B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7035904B2 (en) * | 2017-10-05 | 2022-03-15 | 株式会社デンソー | Vehicle air conditioning unit |
| JP7072541B2 (en) * | 2019-06-06 | 2022-05-20 | 東芝三菱電機産業システム株式会社 | Cooling structure of power converter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656040A1 (en) * | 1976-12-10 | 1978-06-15 | Hans Kohl | Centrifugal blower with vol. control - has axially adjustable inlet venturi which limits effective blade width and permits recirculation through remaining width |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2523576B2 (en) * | 1987-02-09 | 1996-08-14 | 株式会社東芝 | Ventilation fan |
| JP3345924B2 (en) * | 1992-11-17 | 2002-11-18 | 松下電器産業株式会社 | Inverter power supply |
| JP2674972B2 (en) * | 1995-06-14 | 1997-11-12 | 甲府日本電気株式会社 | Fan mounting structure |
| JP2001111277A (en) * | 1999-10-05 | 2001-04-20 | Toshiba Corp | Centrifugal fin and electronic device using the same |
| US6407918B1 (en) * | 2001-03-30 | 2002-06-18 | General Electric Company | Series-parallel fan system |
| JP2005536869A (en) * | 2002-05-31 | 2005-12-02 | イェー・ファン・デル・ウェルフ・ホールディング・ベスローテン・フェンノートシャップ | Improvements in or relating to cooling of electrical and / or electronic components, in particular computer equipment |
| US7259962B2 (en) * | 2004-12-06 | 2007-08-21 | Chenbro Micom Co., Ltd. | Mobile fan module |
| JP4935193B2 (en) * | 2006-05-31 | 2012-05-23 | 富士電機株式会社 | Inverter device |
| JP2008263134A (en) * | 2007-04-13 | 2008-10-30 | Kawamura Electric Inc | Cabinet |
| US20090272514A1 (en) * | 2008-05-02 | 2009-11-05 | Acbel Polytech Inc. | Power supply and heat-dissipating method of the power supply |
| JP5381019B2 (en) * | 2008-05-30 | 2014-01-08 | 富士電機株式会社 | Inverter device |
| JP5488187B2 (en) * | 2010-05-12 | 2014-05-14 | パナソニック株式会社 | Heat exchanger |
-
2012
- 2012-03-13 JP JP2012056505A patent/JP5861509B2/en active Active
-
2013
- 2013-03-01 BR BR102013005047A patent/BR102013005047B1/en not_active IP Right Cessation
- 2013-03-01 CN CN201310065935.3A patent/CN103307009B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656040A1 (en) * | 1976-12-10 | 1978-06-15 | Hans Kohl | Centrifugal blower with vol. control - has axially adjustable inlet venturi which limits effective blade width and permits recirculation through remaining width |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5861509B2 (en) | 2016-02-16 |
| BR102013005047B1 (en) | 2018-10-16 |
| JP2013191703A (en) | 2013-09-26 |
| CN103307009A (en) | 2013-09-18 |
| BR102013005047A2 (en) | 2015-08-04 |
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