CN102802370B - Electrical device - Google Patents
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- CN102802370B CN102802370B CN201110372374.2A CN201110372374A CN102802370B CN 102802370 B CN102802370 B CN 102802370B CN 201110372374 A CN201110372374 A CN 201110372374A CN 102802370 B CN102802370 B CN 102802370B
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Abstract
The invention relates to an electrical device. Supporting walls (46, 48) are connected with a separating plate (40) and a bottom wall (30) in a housing (26) at an interval. One end of cooling part (56) is arranged on the supporting wall (46), and the other end is connected with the supporting wall (48). The outer surface of the cooling part (56), the inner surface of the separating plate (40), the inner surfaces of the supporting walls (46, 48), and the inner surfaces of the side walls (32, 34) form a chamber (54). The outer surface of the cooling part (56) is provided with a semiconductor element (88). A control part installation plate (96) is arranged above the separating plate (40) and forms a chamber (44) of an electrical element (94) with the side walls (32, 34), end walls (36, 38), and a top wall (28), and forms a cooling path (97) with the separating plate (40). A fan (76) guides the air into the housing (26), and the air is discharged to the outside of the housing (26) via an air outlet (84) after passing a cooling path (68) of the cooling part (56). The air is guided into the cooling path (97) via a connecting hole (90), and then flows to the air outlets (84, 86) via a connecting hole (72).
Description
Technical field
The present invention relates to electrical installation, particularly floating have the adverse circumstances of dust, oil, iron powder etc. under the electrical installation that uses.
Background technology
The example that one has the control board of dust tightness is disclosed in Japan's No. 3404907 patent gazette.This control board enclosure interior is separated by next door, is formed with dust-free area, is formed with ventilating zone at rear side in the front side of housing.Control unit etc. is configured with in the bottom of dust-free area.Transformer is configured with in the bottom of ventilating zone.The midway of the above-below direction in above-mentioned next door is provided with the fan for making air flow to dust-free area from ventilating zone.The top in above-mentioned next door is formed with the blow vent for making the air flow ventilating zone from dust-free area.The backboard of the housing corresponding with the bottom of ventilating zone is formed the blow vent for making outside air flow ventilating zone.The above-mentioned backboard corresponding with the top of ventilating zone is provided with the fan of the air flow outside for making ventilating zone.Be provided with heat transfer plate in the midway of the above-below direction of ventilating zone, this heat transfer plate is for the air that carries out flowing to from dust-free area ventilating zone and the heat exchange of air flowing to ventilating zone from outside.Therefore, repeatedly carry out flowing into ventilating zone from the blow vent on top, dust-free area, being flowed into the flowing of dust-free area again by fan from the air of inflow dust-free area, ventilating zone by fan.This air is by heat transfer plate and carry out heat exchange from the air of inflow ventilating zone, outside and be cooled, and the air after cooled flows into dust-free area by fan again.Thus, be positioned at the components and parts such as the control unit of dust-free area to be cooled.
Pulse power unit is configured with at the topmost of dust-free area.The position corresponding with pulse power unit of cover top plate is provided with cooling fan.The housing side plate corresponding with pulse power unit is formed with blow vent.By making cooling fan operate, be discharged to outside from blow vent leaked-in air by fan cooled after pulse power unit.Thus, the cooling of pulse power unit is carried out.
Summary of the invention
In control board as described above, the stream of total 3 must be formed, that is: for stream, the stream for making air circulate between ventilating zone and between outside, the stream for making air circulate between dust-free area and outside above dust-free area of circulation in making air between dust-free area and ventilating zone.And, in each stream, fan must be set respectively.Its result, the structure of enclosure interior becomes complicated.And, owing to making air from after inflow ventilating zone, outside, also pass air into the top of dust-free area, so dust etc. easily enter enclosure interior.
The object of this invention is to provide a kind of electrical installation, its structure is simple, and can carry out good cooling by a fan to device entirety, though floating have the adverse circumstances of dust, oil, iron powder etc. under also not easily break down.
The electrical installation of an embodiment of the invention has housing.Housing has and is formed as the 1st and the 2nd substantially rectangular main wall.1st and the 2nd main wall is spaced apart to be configured substantially in parallel.1st sidewall combines between the lateral margin of a side of the 1st and the 2nd main wall.2nd sidewall combines between the opposing party's lateral margin of the 1st and the 2nd main wall.1st end wall combines between the end of a side of the 1st and the 2nd main wall.2nd end wall combines between the opposing party end of the 1st and the 2nd main wall.1st and the 2nd sidewall and (or) the 1st and the 2nd end wall also can be square integral with of the 1st and the 2nd main wall.Dividing plate is provided with across between the 1st and the 2nd end wall in described housing.This dividing plate is positioned at be separated in described housing in 2 upper and lower spaces.Near the 1st end wall in the space of a side in described 2 spaces, the 1st abutment wall is combined with the 1st and the 2nd sidewall, and closes with a reef knot of described dividing plate and the 1st and the 2nd main wall.Near the 2nd end wall in the space of one, the 2nd abutment wall is combined with the 1st and the 2nd sidewall, and closes with a reef knot of described dividing plate and the 1st and the 2nd main wall.Thus, the space of one is separated into 3 rooms, that is: in the room of the 1st end wall side, the room in the room of the 2nd end wall side and the centre between these 2 rooms.In the room of centre, the 1st abutment wall is provided with one end of cooling end, the 2nd abutment wall is provided with the other end of cooling end.The inside of cooling end is formed with the 1st cooling channel extended between the 1st abutment wall and the 2nd abutment wall.1st cooling channel is communicated with the room of the 1st end wall side and the room of the 2nd end wall side by means of the opening that the 1st and the 2nd abutment wall is formed.Surrounded by the inner peripheral surface of the room of centre and the outer surface of cooling end and be formed with Room the 1st.Indoor the 1st, the 1st electric component is at least installed on the outer surface of described cooling end.In the opposing party space in described 2 spaces, be configured with demarcation strip with the opposing party of described dividing plate and the 1st and the 2nd main wall is spaced apart respectively.The side face of demarcation strip contact with the 1st and the 2nd sidewall and the 1st and the 2nd end wall and and be formed with Room the 2nd between the opposing party of the 1st and the 2nd main wall, and and between described dividing plate, be formed with the 2nd cooling channel.In described Room 2nd, the 2nd electric component is installed.Described dividing plate in the room of the 1st end wall side is formed with the 1st intercommunicating pore, and the 1st intercommunicating pore makes the room of the 1st end wall side and the 2nd cooling channel be communicated with.Described dividing plate in the room of the 2nd end wall side is formed with the 2nd intercommunicating pore, and the 2nd intercommunicating pore makes the 2nd cooling channel be communicated with the room of the 2nd end wall side.1st end wall is provided with fan.This fan can be from, such as described outside, via the room of the 1st end wall side and the 1st intercommunicating pore, air imported the 2nd cooling channel, and, via the room of the 1st end wall side, air can be imported the 1st cooling channel.Ft connection hole is formed in the room of the 2nd end wall side.Ft connection hole is for being such as imported into the air of the room of the 2nd end wall side by the 1st cooling channel, and the exhaust outlet that the air being imported into the room of the 2nd end wall side via the 2nd cooling channel and the 2nd intercommunicating pore is discharged to described outside.Note, fan also can as the device of being derived from enclosure interior to outside by air.In this occasion, the part being imported into the air of the room of the 2nd end wall side in housing from ft connection hole is imported into the room of the 1st end wall side through the 1st cooling channel, exported to outside by fan.In addition, be imported into the room of the 1st end wall side by the remainder that imports the air of the room of the 2nd end wall side in housing from ft connection hole from the 2nd intercommunicating pore through the 2nd cooling channel, the 1st intercommunicating pore, derived outside by fan.
In the electrical installation formed like this, as long as make fan running, air can be from, and such as, outside is imported into the room of the 1st end wall side in housing.This air be imported into moves to the room of the 2nd end wall side further through the 1st cooling channel of cooling end, be exported outside from the exhaust outlet of the room of the 2nd end wall side.Due to the flowing of this air, the 1st electric component that the outer surface of cooling end is arranged is cooled.And the 1st electric component is positioned at as the 1st of the space be closed indoor.Therefore, even if dust, oil, iron powder etc. import in housing by fan together with extraneous air, the 1st electric component is also there will not be directly to contact the situation of these dust, oil, iron powder.In addition, imported air in the room of the 1st end wall side moves to the 2nd end wall side room through the 1st intercommunicating pore, the 2nd cooling channel, the 2nd intercommunicating pore by fan, be exported outside from the exhaust outlet of the room of the 2nd end wall side.Therefore, the 2nd electric component of Room the 2nd is arranged on also by the Air flow imported from outside.And, because Room the 2nd is also the room be closed, so, even if dust, oil, iron powder etc. import in housing by fan together with extraneous air, also there will not be the 2nd electric component directly to contact the situation of these dust, oil, iron powder.In addition, the fan used for cooling the components and parts that are arranged on Room the 1st and the 2nd is only one.In addition, in housing, be only provided with dividing plate, demarcation strip, the 1st and the 2nd supporting mass, the inside of housing is simple structure.Note, be occasion air being derived the device of outside from the room of the 1st end wall side at fan, air flows respectively to the direction of the flowing opposite with above-mentioned air.But, electric component, the 2nd electric component of Room the 1st directly can not contact dust, iron powder and oily this point, and the situation with fan air being imported the room of the 1st end wall side is the same.
2nd electric component can adopt the components and parts fewer than the 1st electric component caloric value.During such formation, although the 2nd electric component is branched to the air cooled of the 2nd cooling channel by from the 1st end wall side, but because the 2nd electric component caloric value is few, so, even the air after bifurcated, 2nd electric component is also sufficiently cooled, the temperature being imported into the air of the room of the 2nd end wall side from the 2nd cooling channel also less rises, so, this air in the room of the 2nd end wall side by with the room being imported into the 2nd end wall side from the 1st cooling channel, the air that temperature rises owing to having carried out cooling to the 1st electric component mixes, thus, compared with the occasion be imported into only there being the air that have passed the 1st cooling channel in the room of the 2nd end wall side, the temperature of the room of the 2nd end wall side can be stoped to rise.
And, the operation display part of described electrical installation can be set in the foreign side of the 2nd end wall.As mentioned above, the temperature of the room of the 2nd end wall side, has carried out the situation of cooled air compared to only existing to the 1st electric component, rises and receives prevention, even if be provided with operation and display part at the outer side of the 2nd end wall, there is no the situation that the temperature residing for operation display part rises yet.In this occasion, if Room the 2nd is positioned at the upside of housing, then the heat that produces of the 2nd electric component by be positioned at from the 1st and the 2nd main wall upside one side's and be positioned at the 1st around it and the 2nd sidewall is externally released, so, temperature rising through the air of the 2nd cooling channel becomes less, can suppress the rising of temperature residing for operation display part further.
In addition, other electric component can be configured in the 1st cooling channel of described cooling end.During such formation, other electric component is directly cooled effectively by the air through the 1st cooling channel.In addition, without the need to possessing the installation space of the components and parts be configured in the 1st cooling channel in addition in housing, realizing housing miniaturization becomes possibility.Note, be configured in components and parts in cooling channel owing to directly contacting with the air imported from outside, such as, so carried out environment resistant process, the components and parts of insulation processing are more satisfactory.In addition, cooling end can also be formed with radiator.Due to such formation, so the cooling effectiveness of cooling end can improve.
Accompanying drawing explanation
Fig. 1 is the longitudinal section of the electrical installation of the 1st execution mode of the present invention.
Fig. 2 is the cutaway view cut open along 2-2 line of Fig. 1.
Fig. 3 is the cutaway view cut open along 3-3 line of Fig. 1.
Fig. 4 is the back view of the electrical installation of Fig. 1.
Fig. 5 is the block diagram of the electrical installation of Fig. 1.
Embodiment
The electrical installation of an embodiment of the invention such as, is implement the present invention on power supply apparatus for welder.One of circuit of this power supply apparatus for welder example represents in Figure 5.This supply unit has input side rectification smoothed filter circuit 2.Input side rectification smoothed filter circuit 2 comprises multiple diode (not shown) and smothing filtering electrolytic capacitor (not shown), is provided with multiple such as 3 power supply terminal 4a to 4c.These power supply terminals 4a to 4c is connected with commercial ac power source, such as three-phase commercial ac power source (not shown).In addition, the situation also having single-phase commercial ac power source to use as commercial ac power source.After input side rectification circuit 2 carries out rectification and smothing filtering to the commercial ac voltage supplied from three-phase commercial ac power source, 2 input side terminals 7a, 7b of supply inverter 6.
Inverter 6 is inverters of such as semibridge system, and it has series circuit, the thyristor of capacitor 8a, 8b, the series circuit of such as IGBT10a, 10b, and these 2 series circuits are connected in parallel with each other input side terminal 7a, 7b.In addition, full-bridge inverter also uses as inverter 6 sometimes.Outlet side terminal 12a, 12b of inverter 6 is connected with the primary winding 14p of outlet side transformer 14.
Outlet side transformer 14 also has secondary coil 14s.Be connected with outlet side rectifying device at the two ends of secondary coil 14s, such as the anode of diode 16a, 16b, these anodes are connected to each other, and via smothing filtering device, such as smothing filtering reactor 18 is connected with positive lead-out terminal 20p.In addition, the intermediate tap 14t of secondary coil 14s is connected with negative lead-out terminal 20n.
Current detecting part 22 is connected in series with smothing filtering reactor 18.Current detecting part 22 produces the current detection signal representing and flow to the electric current of lead-out terminal 20p.This current detection signal is fed into control part 24.Control part 24 couples of IGBT10a, 10b carry out control makes current detection signal reach predetermined value.
These input side rectification smoothed filter circuits, inverter 6, outlet side transformer 14, diode 16a, 16b, smothing filtering reactor 18 and current detecting part 22 are equivalent to the 1st electric elements, such as power supply unit, and control part 24 is equivalent to the 2nd electric elements.
These each components and parts are housed in the housing 26 shown in Fig. 1 to Fig. 4.Housing 26 is formed as cuboid roughly, has the 1st and the 2nd main wall, such as roof 28 and diapire 30.
Roof 28 and diapire 30 are formed as the rectangle of same shape, and such as rectangle separates the interval of regulation, with the mode configured in parallel overlapped each other in a top view.Rectangle, such as rectangular 1st sidewall 32 is by the lateral margin pair of a side of these roofs 28 and diapire 30, and the long limit of a such as side is to combination.1st sidewall 32 is formed with roof 28 and diapire 30 split.The whole limit of the top of the 1st sidewall 32 is combined with the whole limit on the long limit of a side of roof 28.The following whole limit of the 1st sidewall 32 is combined with the whole limit on the long limit of a side of diapire 30.Equally, rectangle, such as rectangular 2nd sidewall 34 is by the opposing party's lateral margin of roof 28 and diapire 30, and the long limit of such as the opposing party is to combination.2nd sidewall 34 is also formed with roof 28 and diapire 30 split.The whole limit of the top of the 2nd sidewall 34 is combined with the whole limit on the long limit of the opposing party of roof 28.The following whole limit of the 2nd sidewall 34 is combined with the whole limit on the long limit of the opposing party of diapire 30.
In addition, rectangle, such as rectangular 1st end wall 36 by the ora terminalis of a side of roof 28 and diapire 30 to combination.First end wall 36 is formed with roof 28, diapire 30, the 1st and the 2nd sidewall 32,34 split.The whole limit of the top of the 1st end wall 36 is combined with the whole limit of the minor face of a side of roof 28.The following whole limit of the 1st end wall 36 is combined with the whole limit of the minor face of a side of diapire 30.Equally, rectangle, such as rectangular 2nd end wall 38 by the opposing party's ora terminalis of roof 28 and diapire 30 to combination.2nd end wall 38 is also formed with roof 28, the split of diapire 30 the 1st and the 2nd sidewall 32,34.The whole limit of the top of the 2nd end wall 38 is combined with the whole limit of the opposing party's minor face of roof 28.The following whole limit of the 2nd end wall 38 is combined with the whole limit of the opposing party's minor face of diapire 30.
The inside of housing 26 is separated into the 1st space 42d being such as positioned at downside and upper and lower 2 spaces of the 2nd space 42u being such as positioned at upside by dividing plate 40.Dividing plate 40 is rectangular shape, is formed with the 1st and the 2nd sidewall the 32,34, the 1st and the 2nd end wall 36,38 split.As shown in Figure 2, the whole limit on the long limit of a side of dividing plate 40 is combined with the 1st sidewall 32.The whole limit on the long limit of the opposing party of dividing plate 40 is combined with the 2nd sidewall 34.The whole limit of the minor face of one side of dividing plate 40 is combined with the 1st end wall 36.The whole limit of the opposing party's minor face of dividing plate 40 is combined with the 2nd end wall 38.
In the 2nd space 42u, and interval vacated by dividing plate 40, and and roof 28 reserve interval, be provided with demarcation strip abreast with dividing plate 40 and roof 28, such as control part mounting panel 96.Control part mounting panel 96 is formed as rectangular shape, such as rectangular shape.Two long limits of control part mounting panel 96 are combined with the 1st and the 2nd sidewall 32,34 respectively.Two minor faces of control part mounting panel 96 are combined with the 1st and the 2nd end wall 36,38 respectively.By a part for top 28, control part mounting panel 96, the 1st and the 2nd sidewall 32,34, a part for the 1st and the 2nd end wall 36,38, formed by airtight space i.e. the 2nd Room 44.In the 2nd Room 44, control part mounting panel 96 is provided with electric component 94.Electric component 94 is the various electric components forming control part 24.In addition, between control part mounting panel 96 and dividing plate, the 2nd cooling channel is formed with, such as cooling channel 97.
In lower side space 42d, near the 1st end wall 36, be provided with the 1st supporting mass, such as abutment wall 46.The 2nd supporting mass is provided with, such as abutment wall 48 near the 2nd end wall 38.Abutment wall 46 is formed as rectangular shape, such as rectangular shape.As shown in Figure 3, the whole limit of the minor face of a side of abutment wall 46 is combined with the lower surface in next door 40.The whole limit of the opposing party's minor face of abutment wall 46 is combined with the inner surface of diapire 30.The whole limit, long limit of one side of abutment wall 46 is combined with the inner surface of the 1st sidewall 32.The whole limit, the long limit of the opposing party of abutment wall 46 is combined with the inner surface of the 2nd sidewall 34.Equally, abutment wall 48 is also formed as rectangular shape, such as rectangular shape.The whole limit of the minor face of one side of abutment wall 48 is combined with the lower surface in next door 40.The whole limit of the opposing party's minor face of abutment wall 48 is combined with the inner surface of diapire 30.The whole limit, long limit of one side of abutment wall 48 is combined with the inner surface of the 1st sidewall 32.The whole limit, the long limit of the opposing party of abutment wall 48 is combined with the inner surface of the 2nd sidewall 34.
Owing to being provided with abutment wall 46,48, lower side space 42d is divided into: the room being positioned at the 1st end wall 36 side, such as the 3rd Room 50, be positioned at the room of the 2nd end wall 38 side, the such as room of the 4th Room 52 and the centre between these 2 rooms.
Cooling end 56 is provided with in the indoor of centre.As shown in Figure 3, cooling end 56 has multiple such as 2 heat abstractors, such as radiator 58a, 58b.Radiator 58a, 58b are on the face of a side of flat substrate 60a, 60b, are provided with the device of multiple fin 62a, 62b as shown in Figure 1 along the length direction of substrate 60a, 60b.Cooling end 56 is configured with radiator 58a, 58b as follows: the length direction of substrate 60a, 60b is consistent with the length direction of the 1st and the 2nd sidewall 32,34 as shown in Figure 1, and fin 62a, 62b vacates predetermined distance and in opposite directions as shown in Figure 3.Substrate 60a, 60b are fixed on local and have on the metallic plate 64,64 in hole.And, in order to be combined with the upper end of metallic plate 64,64 and be combined with the lower end of metallic plate 64,64 and metallic plate 66,66 is arranged on metallic plate 64,64.Metallic plate 64 is offered porose, a part of substrate 60a, 60b of radiator 58a, 58b is exposed from this hole, defines exposed division 61a, 61b.Due to the structure that cooling end 56 is such, such as, so cooling end 56 is have the 1st cooling channel along its length direction therein, the tubular of cooling channel 68.As shown in Figure 1, one end winding support is in abutment wall 46, and the other end is fixed in abutment wall 48 for cooling end 56.Abutment wall 46,48 is formed with the intercommunicating pore 70,72 for making cooling channel 68 be communicated with the 3rd Room 50 and the 4th Room 52.
Like this, in the room of centre, 1st Room 54 isolated with extraneous air is defined by a part for abutment wall the 46,48, the 1st and the 2nd sidewall 32,34 and cooling end 56.
On the 1st end wall 36, be formed the inside and outside opening 74 be communicated with of housing 26 opposite to each other with intercommunicating pore 70.At the outer surface of the 1st end wall 36, in the mode covering this opening 74, fan 76 is installed.The air of housing 26 outside is imported the 3rd Room 50 by running by fan 76.In the mode covering fan 76, cover 78 is installed.As shown in Figure 1, the two sides of cover 78 are formed with many ft connection holes, such as air inlet 80.As shown in Figure 4, many air inlets 82 are also formed with at the back side of cover 78.In addition, in order to same object, the end of cover 78, is also formed with air inlet 86.Therefore, by making fan 76 operate, outside air is imported the 3rd Room 50 by from air inlet 80,82,86, and the cooling channel 68 through cooling end 56 is imported into the 4th Room 52 further.
In order to the air being imported into the 4th Room 52 being discharged the outside of housing 26 from the 4th Room 52, as shown in Figure 1, the position corresponding with Room the 4th on the 1st sidewall 32 and the 2nd sidewall 34 is formed with many ft connection holes, such as exhaust outlet 84.
As shown in Figure 1, be provided with reactor association components and parts 87 in the cooling channel 68 of cooling end 56, this reactor association components and parts 87 are by form through the strong reactor 18 of insulation processing, environmental suitability or outlet side transformer 14.Reactor association components and parts 87 are the many components and parts of caloric value.Being arranged in cooling channel 68 owing to reactor to be associated components and parts 87, so effective utilization in space can be sought, especially, the space for arranging outlet side transformer 14 grade need not having been offered specially, housing 26 can have been realized miniaturized.And by making fan 76 operate, air passes through in cooling channel 68, reactor association components and parts 87 are directly cooled.Due to the reactor association components and parts 87 that the direct contact heating of air can be made many, so the cooling effectiveness to the reactor association components and parts 87 that these generate heat large can be improved.
In addition, at the outer surface of the cooling end 56 of the part as the 1st Room 54, such as, on exposed division 61a, 61b of substrate 60a, 60b of radiator 58a, 58b, as shown in Figures 1 and 3, the semiconductor element 88 of the IGBT10a of inverter 6,10b, diode 16a, 16b is installed.The outer surface of metallic plate 66 is provided with the diode 89 etc. that temperature can not become too high.Therefore, by making fan 76 operate, air passes through in cooling channel 68, and semiconductor element 88 is cooled by means of radiator 58a, 58b.And, because semiconductor element 88 is directly installed on the outer surface of radiator 58a, 58b of cooling end 56, and cooling end 56 is with external environment and by a part for the 1st airtight Room 54, so semiconductor element 88 is cooled expeditiously by fin 62a, 62b.Therefore, semiconductor element 88 directly can not contact with the air introduced from outside, directly can not contact with the dust that may be contained in air, oil, iron powder etc.So, semiconductor element 88 can use without environment resistant process, the components and parts of highly versatile.
As shown in Figure 2, part dividing plate 40 being equivalent to the 3rd Room 50 is formed with the 1st intercommunicating pore, such as blow vent 90.The Width of blow vent 90 along next door 40 is formed as elongated hole-shape.In addition, part next door 40 being equivalent to the 4th Room 52 is formed with multiple such as 2 the 2nd intercommunicating pores, such as blow vents 92.Blow vent 92 is formed near the 1st and the 2nd sidewall 32,34 with the rectangular shape that length dimension is shorter than blow vent 90.In addition, between dividing plate 40 and control part mounting panel 96, cooling channel 97 is formed with as mentioned above.Cooling channel 97 is communicated with blow vent 90,92.Therefore, the 3rd Room 50 is communicated with cooling channel 97, and cooling channel 97 is communicated with the 4th Room 52.When making fan 76 get into smooth, 4th Room 52 is entered from blow vent 90 through cooling channel 97, blow vent 92 from the air of importing the 3rd Room 50, outside by fan 76, after the air of coming with the cooling channel 68 that have passed cooling end 56 converges, discharged the outside of housing 26 from exhaust outlet 82,84.
The heat that the electric component 94 of the 2nd Room 44 produces is by the Air flow by being positioned at the cooling channel 97 below the 2nd Room 44, and electric component 94 does not contact outside air and is cooled.
In addition, due to blow vent 90 is made elongated hole-shape, the blow vent 92,92 of rectangle is formed near the 1st and the 2nd sidewall 32,34, so flow equably in cooling channel 97 from blow vent 90 leaked-in air room, air draught there will not be uneven situation in cooling channel 97.
By making fan 76 operate, by the air that imports from blow vent 90 by entering the 4th Room 52 from blow vent 92 after cooling channel 97.Cooled by the heating of the electric component 94 in the 2nd airtight Room 44 by the air of cooling channel 97.Therefore, air can not directly contact electric component 94, even if containing dust, oil, iron powder etc. in air, electric component 94 also can not be directly exposed to wherein, not easily breaks down.In addition, even if suppose that these electric components 94 there occurs fault, operating personnel also can by taking off roof 28 easily close to electric component 94, so, can easily place under repair and maintenance inspection.Therefore, electric component 94 can use without environment resistant process, the electric component of versatility.
And, because electric component 94 also dispels the heat by means of the 1st and the 2nd sidewall 32,34 and roof 28, so the air themperature passed through from the cooling channel 97 be formed between dividing plate 40 and control part mounting panel 96 can't be too high.
In the outer surface side of the 2nd end wall 38, operation display part 98 is installed.Operation display part 98 is the parts being provided with display unit (not shown), action button (not shown) etc.This operation display part 98 by the 2nd end wall 38 by itself and the 1st Room 42 and the 2nd Room 44 is completely isolated opens, air unlikely inflow operation display part 98 side in the air in the 1st Room 42 or the 2nd Room 44.
Because the air that have passed cooling channel 68 directly cools the larger reactor association components and parts 87 of caloric value, or by means of radiator 58a, 58b, the semiconductor element 88 that temperature raises is cooled, so its temperature rises many than temperature when being imported into Room the 3rd.If the air that this temperature rises is imported in the 4th Room 52, if particularly directly aim at the 2nd end wall 38, then the temperature in operation display part 98 likely rises.
On the other hand, because the caloric value forming the electric component 94 of control part 24 is fewer than the caloric value of reactor association components and parts 87, semiconductor element 88, also dispel the heat by means of roof 28, the 1st and the 2nd sidewall 32,34 as described above, so be imported into the temperature of the air of the 4th Room 52 by cooling channel 97 from the 3rd Room 50, less rise compared with temperature when being imported into Room 50 the 3rd.The air that this temperature does not rise converges in the 4th Room 52 with the air risen by means of the temperature that cooling channel 68 is imported into the 4th Room 52 from the 3rd Room 50 as mentioned above.Its result, is reduced by the air that have passed cooling channel 97, so can prevent the temperature in operation display part 98 from rising by the temperature of air after cooling channel 68.
In this supply unit, make to become the semiconductor element 88 of high temperature, reactor association components and parts 87 focus on the inside and outside of cooling end 56, by the cooling that cooling channel 68 carries out these semiconductor elements 88, reactor associates components and parts 87.In addition, the cooling forming the electric component 94 of control part 24 is undertaken by cooling channel 97.Therefore, cooling channel 68,97 is more simple linear structures, air from housing 26 externally to the importing in housing 26 only once carrying out.Conform to therewith, the fan 76 that the importing of air uses also is only have one.For this reason, cheaply can manufacture this supply unit, the noise because of fan also can reduce.In addition, directly the air that imports from housing 26 outside of contact, only has the reactor association components and parts 87 in cooling channel 68.The components and parts such as semiconductor element 88 grade of adding beyond due to reactor association components and parts 87 are all configured in by the 1st airtight Room 54, the heat of components and parts such as reactor association components and parts 87 grade is cooled by fin 62b, so components and parts such as semiconductor element 88 grade can not directly contact with the air that may be mixed with dust, oil, iron powder etc.Therefore, it is possible to obtain the supply unit that fail safe is high, environmental suitability is excellent.The electric component 98 of the 2nd Room 44 is also same.
In the above-described embodiment, as the circuit of supply unit, employ the circuit shown in Fig. 5, but be not limited to this, the circuit of known various supply unit can be used.In the above-described embodiment, by the invention process on the supply unit of bonding machine, but be not limited to this, also can implement on such as electroplanting device, light supply apparatus etc.
In the above-described embodiment, 1st and the 2nd sidewall the 32,34, the 1st and the 2nd end wall 36,38 and roof 28 split are formed, but also the 1st and the 2nd sidewall 32,34 and roof 28 can be integrally formed, or the 1st and the 2nd end wall 36,38 and roof 28 are integrally formed, or the 1st and the 2nd sidewall the 32,34, the 1st and the 2nd end wall 36,38 and roof 28 are integrally formed.In the above-described embodiment, fan 76 has been arranged on the outside of the 1st end wall 36, but also can arrange fan 76 in the 3rd Room 50.In this case, without the need to mounting cup 78.
In the above-described embodiment, the 1st Room 54 is configured in the downside of housing 26, the 2nd Room 44 has been configured in the upside of housing 26, but also conversely, the 1st Room 54 can be configured in the upside of housing 26, the 2nd Room 44 has been configured in the downside of housing 26.But, from the viewpoint of weight balancing, as above-mentioned execution mode, it is ideal that the heavier components and parts such as reactor are configured in downside.Established 2 blow vents 92 in the above-described embodiment, but can establish more blow vent, the blow vent of the elongated hole-shape as blow vent 90 only establishes one to be also fine as blow vent 92.
In the above-described embodiment, reactor association components and parts 87 have been installed in cooling channel 68, in addition, also the smothing filtering electrolytic capacitor used in input side rectification smoothed filter circuit 2 can be located in cooling channel 68.In this occasion, electrolytic capacitor uses that carried out insulation processing etc., that environmental suitability is strong components and parts more satisfactory.
In the above-described embodiment, cooling end 56 is that radiator 58a, 58b that 2 splits are formed are assembled up formation, but radiator 58a, 58b one formation is also fine.In addition, in the above-described embodiment, fin 62 is defined in metallic plate 64 side, but also form fin in metallic plate 66 side, by forming hole in a part for metallic plate 66, metallic plate 66 also arranges exposed division, and the components and parts that whole exposed division of cooling end 56 installs heating many are also fine.
Illustrate the example that control part mounting panel 96 is rectangular shape in the above-described embodiment, but adopt, such as, on two long limits of rectangular shape, the structure be wholely set respectively towards the sidewall of roof 28 side is also fine.These sidewalls contact ideal with the 1st and the 2nd sidewall 32,34.In addition, in the above-described embodiment operation display part and control section body are formed, but, also operation display part can be located on control part mounting panel 96 together with control part.
Employ the abutment wall 46,48 of rectangular shape in the above-described embodiment, but be not limited to this, such as, in order to stably support cooling end 56, also can adopt the thickness of abutment wall 46,48 is contacted from cooling end 56 in diapire 30 side part thickening gradually shape.In addition, in the above-described embodiment, abutment wall 46,48 and dividing plate 40 split are formed, but also can make one with dividing plate 40.Illustrate the example in air intake housing 28 in the above-described embodiment by fan 76, but, also the fan of being discharged from housing 26 by air can not be set by fan 76, make air flow along the direction contrary with above-mentioned execution mode and dispel the heat, and the flow direction of air is not limited to the direction represented by above-mentioned execution mode.
Claims (5)
1. an electrical installation, has:
Housing, described housing is spaced apart and be configured with substantially in parallel and be formed the 1st and the 2nd substantially rectangular main wall, combined by the 1st sidewall between the lateral margin of one side of the described 1st and the 2nd main wall, combined by the 2nd sidewall between the opposing party's lateral margin of the 1st and the 2nd main wall, combined by the 1st end wall between the end of one side of the 1st and the 2nd main wall, combined by the 2nd end wall between the opposing party end of the 1st and the 2nd main wall;
Dividing plate, this dividing plate is to be arranged in described housing across the mode between the 1st and the 2nd end wall, and this dividing plate is positioned at be separated in described housing in 2 upper and lower spaces; It is characterized in that, this electrical installation also has:
1st abutment wall, is combined with the 1st and the 2nd sidewall near the 1st end wall of the 1st abutment wall in the space of a side in described 2 spaces, and closes with a reef knot of described dividing plate and the 1st and the 2nd main wall, and be formed with the room of the 1st end wall side between the 1st end wall;
2nd abutment wall, be combined with the 1st and the 2nd sidewall near the 2nd end wall of 2nd abutment wall in the space of one, and close with a reef knot of described dividing plate and the 1st and the 2nd main wall, and be formed with the room of the 2nd end wall side between the 2nd end wall, and and between the 1st abutment wall, be formed with middle room;
Cooling end, in the room of described centre, one end of described cooling end is installed on the 1st abutment wall, the other end is installed on the 2nd abutment wall, described cooling end has the 1st cooling channel in inside, 1st cooling channel extends between the 1st abutment wall and the 2nd abutment wall, is communicated with by means of the room of the opening be formed in the 1st and the 2nd abutment wall with the 1st and the 2nd end wall side; Room the 1st is formed between the outer surface of this cooling end and the inner surface of the room of described centre;
1st electric component, described 1st electric component is at least arranged on the described outer surface of described cooling end in Room the 1st;
Demarcation strip, this demarcation strip is in the opposing party space in described 2 spaces, configuration spaced apart is distinguished with the opposing party of described dividing plate and the 1st and the 2nd main wall, the side face of this demarcation strip contacts with the 1st and the 2nd end wall with the 1st and the 2nd sidewall, and be formed with Room the 2nd between the opposing party of the 1st and the 2nd main wall, and and between described dividing plate, be formed with the 2nd cooling channel;
2nd electric component, the 2nd electric component is arranged in described Room 2nd;
1st intercommunicating pore, the 1st intercommunicating pore is formed on the described dividing plate in the room of the 1st end wall side, the room of the 1st end wall side and the 2nd cooling channel is communicated with;
2nd intercommunicating pore, the 2nd intercommunicating pore is formed on the described dividing plate in the room of the 2nd end wall side, the 2nd cooling channel is communicated with the room of the 2nd end wall side;
Fan, this fan is located on the 1st end wall; With
Ft connection hole, this ft connection hole is formed at the room of the 2nd end wall side.
2. electrical installation as claimed in claim 1, it is characterized in that, the 2nd electric component is the electric component fewer than the 1st electric component caloric value.
3. electrical installation as claimed in claim 2, is characterized in that, be provided with the operation display part of described electrical installation in the foreign side of the 2nd end wall.
4. electrical installation as claimed in claim 2, is characterized in that, be configured with other electric component in the 1st cooling channel of described cooling end.
5. electrical installation as claimed in claim 1, it is characterized in that, described cooling end is made up of radiator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-114549 | 2011-05-23 | ||
| JP2011114549A JP5684047B2 (en) | 2011-05-23 | 2011-05-23 | Electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102802370A CN102802370A (en) | 2012-11-28 |
| CN102802370B true CN102802370B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110372374.2A Active CN102802370B (en) | 2011-05-23 | 2011-11-22 | Electrical device |
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| Country | Link |
|---|---|
| JP (1) | JP5684047B2 (en) |
| CN (1) | CN102802370B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683970A (en) * | 2013-12-15 | 2014-03-26 | 贵阳航空电机有限公司 | Transformer rectifier |
| CN112260458B (en) * | 2020-11-10 | 2024-04-09 | 尹登昌 | Cooling and radiating method for general-purpose engine generator |
| CN116583095B (en) * | 2023-07-12 | 2023-09-26 | 武汉科能电气有限公司 | Cable joint partial discharge test equipment |
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| JP3404907B2 (en) * | 1994-08-26 | 2003-05-12 | 三菱電機株式会社 | control panel |
| JP2004020171A (en) * | 2002-06-12 | 2004-01-22 | Business Supply Kk | Cooling device in cabinet for information communication loaded with computer |
| CN1520234A (en) * | 2002-12-20 | 2004-08-11 | 松下电器产业株式会社 | High frequency heater |
| JP2005276920A (en) * | 2004-03-23 | 2005-10-06 | Ricoh Co Ltd | Housing for electrical equipment |
| JP2006120780A (en) * | 2004-10-20 | 2006-05-11 | Kyocera Corp | Circuit board device and radio base station device using the same |
| JP4597648B2 (en) * | 2004-11-29 | 2010-12-15 | 東芝エレベータ株式会社 | Elevator control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0710984U (en) * | 1993-07-14 | 1995-02-14 | 横河電機株式会社 | Box |
| JP2004157664A (en) * | 2002-11-05 | 2004-06-03 | Hitachi Ltd | Automatic teller machine |
| JP4207755B2 (en) * | 2003-11-07 | 2009-01-14 | 株式会社豊田自動織機 | Electronic equipment |
| JP4265505B2 (en) * | 2004-08-09 | 2009-05-20 | オムロン株式会社 | Heat dissipation structure of electronic equipment |
| JP4420230B2 (en) * | 2005-05-24 | 2010-02-24 | 株式会社ケンウッド | Air cooling device for electronic equipment |
| JP2008021855A (en) * | 2006-07-13 | 2008-01-31 | Yaskawa Electric Corp | Air-cooling guide of printed-circuit board, and electronic equipment using this |
| JP4693925B2 (en) * | 2009-09-30 | 2011-06-01 | 株式会社東芝 | Electronics |
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- 2011-11-22 CN CN201110372374.2A patent/CN102802370B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3404907B2 (en) * | 1994-08-26 | 2003-05-12 | 三菱電機株式会社 | control panel |
| JP2004020171A (en) * | 2002-06-12 | 2004-01-22 | Business Supply Kk | Cooling device in cabinet for information communication loaded with computer |
| CN1520234A (en) * | 2002-12-20 | 2004-08-11 | 松下电器产业株式会社 | High frequency heater |
| JP2005276920A (en) * | 2004-03-23 | 2005-10-06 | Ricoh Co Ltd | Housing for electrical equipment |
| JP2006120780A (en) * | 2004-10-20 | 2006-05-11 | Kyocera Corp | Circuit board device and radio base station device using the same |
| JP4597648B2 (en) * | 2004-11-29 | 2010-12-15 | 東芝エレベータ株式会社 | Elevator control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012244037A (en) | 2012-12-10 |
| CN102802370A (en) | 2012-11-28 |
| JP5684047B2 (en) | 2015-03-11 |
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