CN202945440U - Control box of sewing machine - Google Patents
Control box of sewing machine Download PDFInfo
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- CN202945440U CN202945440U CN 201220262150 CN201220262150U CN202945440U CN 202945440 U CN202945440 U CN 202945440U CN 201220262150 CN201220262150 CN 201220262150 CN 201220262150 U CN201220262150 U CN 201220262150U CN 202945440 U CN202945440 U CN 202945440U
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Abstract
The utility model provides a control box of a sewing machine. The control box of the sewing machine can ensure good heat dissipation performance and meanwhile achieves compact performance. The control box (11) of the sewing machine comprises a base station (41) and a cover body (44), wherein the base station (41) is provided with a first substrate (42) and a second substrate (43) in a parallel mode, and the first substrate (42) and the second substrate (43) are used for installation of electronic components; the cover body (44) is overlaid with the base station (41) and thus is covered on the peripheries of the first substrate (42) and the second substrate (43); the base station (41) forms a first fixing face (55) used for fixing the first substrate (42) and a second fixing face (56) used for fixing the second substrate (43) in a different height mode, so that at least one part of the reverse side of the first fixing face (55) is exposed outward; and the first substrate (42) extends above the second substrate (43).
Description
Technical field
The utility model relates to a kind of control cabinet of cloth etc. being made the Sewing machines that thing makes.
Background technology
Usually, Sewing machines passes under the state of suture in the pin hole of the suture needle that moves up and down, by with respect to the overlapping cloth that should sew up in up and down, suture needle being moved up and down, thereby the lower suture that makes still is wound around with the upper suture of the pin hole that passes the suture needle that runs through from the upside of cloth to downside, makes.
In Sewing machines in recent years, there is the Sewing machines of following electronic control type, namely, drive by the drive sources such as drive motor that made needle bar driving mechanism, cloth feeding mechanism and other mechanisms by control device, thereby according to being made making on thing by the various tailoring patterns of program setting, this Sewing machines has the control cabinet of accommodating its control device.
Usually, control cabinet is accommodated various parts of electric etc. in the inside of the framework that forms the case shape.As this control cabinet, for example known following control cabinet, at a plurality of circuit substrates that parts of electric is installed of the inner multilayer of framework ground configuration, carries out cooling (with reference to patent documentation 1) by utilizing Air Blast fan to the parts of electric air-supply on substrate that is.
Patent documentation 1: TOHKEMY 2006-119234 communique
The utility model content
In addition, carry out the space of the sewing machine table below of Sewing machines operation with pin in order to ensure the operating personnel, also constantly require the further densification of the control cabinet of Sewing machines.
But, if for example improve the packing density of parts of electric and the circuit substrate of miniaturization by use, thereby make the framework miniaturization, the packing density due to parts of electric uprises the reduction that causes thermal diffusivity.Therefore, as the control cabinet of Sewing machines, require to have both densification and thermal diffusivity.
The purpose of this utility model is, a kind of control cabinet of Sewing machines is provided, and it can when guaranteeing excellent radiating effect, realize densification.
The control cabinet that can solve the Sewing machines of the present utility model of above-mentioned problem has: base station, and it configures abreast for the first substrate of mounting electronic parts and second substrate; And cover body, it is by overlapping with described base station, thus cover described first substrate and described second substrate around,
It is characterized in that,
Described base station just form differently for the first stationary plane of fixing described first substrate with for the second stationary plane of fixing described second substrate, and at least a portion at the back side of described the first stationary plane is exposed to the outside,
Described first substrate extends above described second substrate.
According to the control cabinet of the Sewing machines of said structure, even in the situation that the two heating of first substrate and second substrate, owing to fixing each substrate on the stationary plane that form differently at height, so the heating position is disperseed.In addition, because expose to the outside at the back side that makes the first stationary plane, thus can be when making the control cabinet integral miniaturization, the heat that will produce from substrate is efficiently to external cooling.
in the control cabinet of Sewing machines of the present utility model, preferably at first supporting board that will be provided with described the first stationary plane be provided with on the connecting portion that the step between the second supporting board of described the second stationary plane connects, be provided with inner space and the outside blow vent that is communicated with described control cabinet, and fan, this fan produces the air-flow by described blow vent, thereby carry out from the inner space of described control cabinet to the exhaust of outside, perhaps from the outside to the air inlet of described inner space, the air-flow that is produced by described fan flows along the back side of described the first stationary plane in described the first supporting board.
control cabinet according to the Sewing machines of said structure, owing to adopting following structure, namely, on the connecting portion between the first stationary plane and the second stationary plane, the fan that carries out the air inlet of exhaust or extraneous gas to the outside is set, make the air-flow of discharging or sucking by fan along the fixedly back side ventilation of the first stationary plane of first substrate, so can utilize fan discharges the heat of inside to the outside, and can make flow velocity Air Flow and carry out cooling faster along first substrate and second substrate, and, can utilize the air-flow of discharging to the outside or the air-flow that sucks from the outside to carry out cooling to the first stationary plane, first substrate is cooling more well.That is, can utilize 1 fan, by the air that sucks carry out cooling and undertaken by the air of discharging cooling, thereby improve cooling effectiveness, realize densification.
In addition, due to the structure that becomes at the mid portion configuration fan of air path, so even the path of air is elongated, also can make the air velocity of air inlet side and exhaust side very fast.Thus, can improve the convection heat transmission, cooling effectiveness is improved in the zone that increase can forced air-cooling.
And, as noted above because cooling effectiveness is higher, so as the motor that consists of fan, can use motor more small-sized and that output is less, therefore, not only can realize the miniaturization of control cabinet integral body, can also realize that province can quantize.
In the control cabinet of Sewing machines of the present utility model, preferably utilize described fan to carry out the blow vent of exhaust or air inlet, across described second substrate, be respectively formed on the position away from described the first stationary plane of described connecting portion and described base station or cover body.
According to the control cabinet of the Sewing machines of this structure, air is flowed along first substrate and second substrate, first substrate and second substrate is cooling well.
In the control cabinet of Sewing machines of the present utility model, preferably in the outside of described blow vent, along the outer surface formation ventilation path of described the first supporting board.
According to the control cabinet of the Sewing machines of said structure, due in the arranged outside of the blow vent ventilation path along the first stationary plane, be used to from the exhaust of blow vent or the cooling cooling effectiveness of the first stationary plane that carries out to the air inlet of passage so can significantly improve.
In the control cabinet of Sewing machines of the present utility model, preferably on any in described the first supporting board and described connecting portion or fin is set on the two.
According to the control cabinet of the Sewing machines of this structure, by on the stage portion between the first stationary plane and the second stationary plane and any in the first stationary plane or fin is set on the two, thereby the heat of base station can be emitted to the outside well.
In the control cabinet of Sewing machines of the present utility model, preferred described second substrate is fixed on described the second stationary plane via the heat sink that be arranged in parallel with described second substrate.
Control cabinet according to the Sewing machines of this structure due to second substrate is fixed on the second stationary plane via heat sink, so the heat of second substrate can be emitted to the heat sink transmission, can improve the cooling effectiveness of second substrate.
In the control cabinet of Sewing machines of the present utility model, the described blow vent of preferred described fan and described connecting portion is faced and is arranged.
According to the control cabinet of the Sewing machines of this structure, in the face of arranging, so can utilize fan to carry out very well exhaust or air inlet from blow vent, can improve cooling effectiveness due to the blow vent of fan and connecting portion.
In the control cabinet of Sewing machines of the present utility model, preferably configure heating component near the described fan on described second substrate.
According to the control cabinet of the Sewing machines of this structure, by configuring heating component near the fan on second substrate, thereby can utilize flow velocity faster air-flow make this heating component cooling efficiently.
In the control cabinet of Sewing machines of the present utility model, preferred described first substrate and described the first stationary plane are fixed via the conducting strip of non-powered.
Control cabinet according to the Sewing machines of this structure, due to first substrate and the first stationary plane are fixed via the conducting strip of non-powered, so can be when guaranteeing insulating properties, the heat of first substrate is transmitted well to the first stationary plane, make first substrate cooling efficiently.
In the control cabinet of Sewing machines of the present utility model, preferably near on described first substrate and fixed position described the first stationary plane, the configuration heating component.
According to the control cabinet of the Sewing machines of this structure, due on first substrate and the first stationary plane between fixed position near configure heating component, so can make this heating component cooling well.
In the control cabinet of Sewing machines of the present utility model, preferred described first substrate is to control substrate, and described second substrate is the power substrate.
Control cabinet according to the Sewing machines of this structure, owing to extending and compare the second substrate that is difficult to dismantle with first substrate by first substrate, power substrate as the lift-launch general utility functions of the kind that does not rely on sewing machine main body, to compare with second substrate the easy-off first substrate as controlling substrate, this control substrate is compared dismounting and is safeguarded more with the power substrate as the dedicated substrate corresponding with the kind of sewing machine main body, therefore, can improve assembling operation, maintainability and replacing workability.
The effect of utility model
According to the control cabinet of Sewing machines of the present utility model, a kind of control cabinet of Sewing machines can be provided, it can when guaranteeing excellent radiating effect, realize densification.
Description of drawings
Fig. 1 is the oblique view with Sewing machines of the related control cabinet of present embodiment.
Fig. 2 is mounted in the oblique view of the control cabinet on sewing machine table.
Fig. 3 observes the oblique view of control cabinet from the face side of control cabinet.
Fig. 4 observes the oblique view of control cabinet from the rear side of control cabinet.
Fig. 5 means the in-built summary exploded perspective view of control cabinet.
Fig. 6 means the in-built summary section of (the first supporting board and the second supporting board being configured under the state of level) control cabinet.
Fig. 7 is the oblique view with the state after the cover body dismounting of control cabinet.
Fig. 8 is the brief strabismus map with the state after the cover body dismounting of control cabinet.
Fig. 9 is the brief strabismus map that consists of the base station of control cabinet.
Figure 10 is the oblique view of observing from the rear side of the base station that consists of control cabinet.
The specific embodiment
Below, with reference to accompanying drawing, an example of the embodiment of the control cabinet of the related Sewing machines of the utility model is described.
Fig. 1 is the oblique view with Sewing machines of the related control cabinet of present embodiment, Fig. 2 is mounted in the oblique view of the control cabinet on sewing machine table, Fig. 3 is the oblique view of observing from the face side of control cabinet, Fig. 4 is the oblique view of observing from the rear side of control cabinet, Fig. 5 means the in-built summary exploded perspective view of control cabinet, Fig. 6 means the in-built profile of control cabinet, Fig. 7 is the oblique view with the state after the cover body dismounting of control cabinet, Fig. 8 is the brief strabismus map with the state after the cover body dismounting of control cabinet, Fig. 9 is the brief strabismus map that consists of the base station of control cabinet, Figure 10 is the oblique view of observing from the rear side of the base station that consists of control cabinet.
As shown in Figure 1, the control cabinet 11 of the related Sewing machines of present embodiment is fixed on sewing machine table 12.On the top of sewing machine table 12, sewing machine main body 13 is set.Sewing machine main body 13 has the sewing machine stand 21 that when side-looking is observed profile is roughly " コ " word shape.This sewing machine stand 21 has: Sewing machines arm 22, and it forms the top of sewing machine main body 13, and direction is extended forwards, backwards; Sewing machine base section 23, it forms the bottom of sewing machine main body 13, and direction is extended forwards, backwards; And vertical body section 24, it links Sewing machines arm 22 and sewing machine base section 23.
In Sewing machines arm 22, be provided with the upper axle that utilizes motor and rotate.In addition, in the front of Sewing machines arm 22, the needle bar driving mechanism is set, the revolving force of axle in utilization, make suture needle is installed needle bar up and down direction move.
Be provided with lower shaft in sewing machine base section 23, it swings from upper axle transferring power by crank mechanism.In addition, has the still drive transmission mechanism of still in the front setting of sewing machine base section 23, because still swings by the still drive transmission mechanism, so form stitching by the co-operating between still and suture needle when making.
The controller 14 that this sewing machine main body 13 arranges on can the upper surface by sewing machine table 12, and carry out various setting inputs etc.
As shown in Figure 2, control cabinet 11 utilizes bolt 27, packing ring 28 and nut 29 to be arranged on the lower surface of sewing machine table 12.
As shown in Figures 3 and 4, control cabinet 11 has installation portion 31.Both sides at this installation portion 31 form installation sheet 32, and this installation sheet 32 is fixed on sewing machine table 12.
As shown in Figure 5, control cabinet 11 has: base station 41, and it consists of the drosal part of control cabinet 11; First substrate (circuit substrate) 42; Second substrate (circuit substrate) 43; And cover body 44, it covers the face side of base station 41.Base station 41 is that cover body 44 is such as the parts by molding synthetic resins such as plastics such as the parts by the moulding such as aluminium of thermal diffusivity excellence.And, install by cover body 44 is overlapped with base station 41, thereby become the inner box shape that forms receiving space S.And, first substrate 42 and second substrate 43 in front and the back side any one face or two faces on mounting electronic parts (not shown), be housed in receiving space S with state capped around first substrate 42 and second substrate 43.
, be formed with on the wall of base station 41 to shown in Figure 8 as Fig. 6: height is that form differently, parallel the first supporting board 51 and the second supporting board 52; And connecting portion (stage portion) 53, it connects the step part between the first supporting board 51 and supporting board 52.As Fig. 4 and shown in Figure 6, connecting portion 53 is connected in the mode with 52 one-tenth approximate right angle of the second supporting board an end.In addition, connecting portion 53 is connected in the mode with 51 one-tenth approximate right angle of the first supporting board in another end.Therefore, the first supporting board 51 and the second supporting board 52 are configured to height difference and parallel each other.The face of the receiving space S side (inboard of control cabinet 11) on the first supporting board 51 becomes fixedly the first stationary plane 55 of first substrate 42.In addition, the face of the receiving space S side (inboard of control cabinet 11) on the second supporting board 52 becomes fixedly the second stationary plane 56 of second substrate 43.As noted above, become the different structure of height as the first supporting board 51 of the part of the wall of base station 41 with the second supporting board 52, therefore, the first stationary plane 55 and the second stationary plane 56 become the structure that almost parallel and height differently arrange.The face (back side) of the face (back side) of the opposition side of the first stationary plane 55 in the first supporting board 51 and the opposition side of the second stationary plane 56 in the second supporting board 52, face integral body is all exposed to the outside.
On the part of connecting portion 53, be provided with and run through the inside and outside blow vent 62 of receiving space S.In addition, the inboard of the blow vent 62 in connecting portion 53 (receiving space S side) installs the fan 61 that is made of motor and fan etc.In addition, on the second supporting board 52, being positioned on the opposition side and the position away from the first stationary plane 55 of blow vent 62 across second substrate 43, be formed with a plurality of passages (blow vent) 63.And, if the fan (not shown) that arranges in fan 61 is by the drive force of motor, suck extraneous gas (cold air) in from passage 63 to receiving space S, and the air in the receiving space S of control cabinet 11 is discharged to the outside from blow vent 62.The air of discharging from blow vent 62 in addition, flows along the back side of the first supporting board 51 that is fixed with first substrate 42.
As shown in Figure 9, on the second stationary plane 56 of the second supporting board 52, be formed with a plurality of flanks 73 that protrude to receiving space S side.Above-mentioned flank 73 is arranged along the flow direction of the above-mentioned air that sucks and discharge from blow vent 62 by fan 61 and from passage 63.Heat sink 71 is supported on the second supporting board 52 via above-mentioned flank 73, and fixes by carry out screw on the second supporting board 52, thereby is fixed on the second supporting board 52.Second substrate 43 is arranged on heat sink 71 via liner 72.
Especially, in the present embodiment, second substrate 43 and heat sink 71 are corresponding with the height of the liner 72 of Figure 6 and Figure 7 across the interval and almost parallel ground configuration.In addition, the second stationary plane 56 and heat sink 71 are also corresponding with the height of flank 73 shown in Figure 9 across the interval and almost parallel ground configuration.And, when utilizing fan 61 to discharge from passage 63 air inlets and from blow vent 62, become the stream 74A of air between second substrate 43 and heat sink 71.In addition, also become the stream 74B of air between the second stationary plane 56 and heat sink 71.
In addition, between this first substrate 42 and the first stationary plane 55, the conducting strip 76 of the less non-powered of thermal resistance is set, first substrate 42 and the first stationary plane 55 are fixed via this conducting strip 76.Thus, the heat that is produced by the heating component 75 of first substrate 42 transmits to the back side of first substrate 42, and, transmit via first supporting board 51 of conducting strip 76 to the base station 41 with first stationary plane 55.
The place, installation position of the heating component 75 in first substrate 42, be provided with the hot transfer part (omitting diagram) that forms to fill scolder in the through hole that positive and negative is communicated with, the heat of heating component 75 in front that makes first substrate 42 by hot transfer part successfully to the rear side transmission of first substrate 42.In addition, in the situation that heating component 75 can be installed on first substrate 42 rear side, also the heating component 75 that is installed on the back side can be fixed on the first stationary plane 55 via conducting strip 76.
In addition, be provided with a plurality of connectors 77 on this first substrate 42.Consider maintainability, above-mentioned connector 77 is arranged on the face side of first substrate 42, thereby can easily plugs, connect the connector of the other side's side when assembling.
Be arranged on the part of heating component 78 of the face side of second substrate 43, be configured in fan 61 near.As noted above, be configured near the heating component 78 fan 61, utilize near fan 61 quick flows and cooling well.In addition, be arranged on the heating component 78 and heat sink 71 close contacts of the rear side of second substrate 43, thus, the heat of this heating component 78 transmitted well to heat sink 71.
In addition, be provided with a plurality of connectors 79 on this second substrate 43.Above-mentioned connector 79 is to connect the parts of the connector of the other side's side in when assembling, be arranged on not with zone that first substrate 42 overlaps on, realize the facilitation of operation.In addition, in order to suppress as far as possible the interval between first substrate 42 and second substrate 43, and will be arranged on the higher large component 80 of capacitor equal altitudes on second substrate 43, also be arranged on not with zone that first substrate 42 overlaps in.
In addition, as Fig. 5, Fig. 6 and shown in Figure 10, on the first supporting board 51 in base station 41 and the outer surface of connecting portion 53, be provided with a plurality of fin 82.Above-mentioned fin 82 arranges till from the first supporting board 51 to connecting portion 53 continuously.In addition, this fin 82 also can only be arranged on any one in the first supporting board 51 or connecting portion 53.
In addition, as shown in Figure 6, the first supporting board 51 and connecting portion 53 outer surface separately are by roughly cover 83 coverings of L word shape that are shaped as of observing from the side.And in the present embodiment, as Fig. 4 and shown in Figure 10, the width of cover 83 is shorter than the width of the first supporting board 51 and connecting portion 53.Therefore, as shown in figure 10, the first supporting board 51 and connecting portion 53 outer surface separately distolaterally expose to the outside at one of width, this part become with by the first supporting board 51 and connecting portion 53 outer surface separately and be connected 83 spaces that surround, with the outside peristome 84 that is connected.And, as shown in figure 10, formed from be formed at blow vent 62 on connecting portion 53 by above-mentioned space until the ventilation path 85 till peristome 84.
If drive for sewing machine main body 13 is made, in control cabinet 11, mainly generated heat by the heating component 75 of first substrate 42 and the heating component 78 of second substrate 43.
At this moment, install the heat of the heating component 75 of the upper side in Figure 10 of first substrate 42 concentratedly, conducting strip 76 first supporting board 51 from from first stationary plane 55 to base station 41 less via thermal resistance transmits.In addition, the heat that is arranged on the heating component 78 of second substrate 43 rear side transmits to heat sink 71, and the second supporting board 52 from this heat sink 71 to base station 41 transmits.Thus, the temperature of the heating component 78 of the heating component 75 of inhibition first substrate 42 and second substrate 43 rear side rises.
In addition, if drive fan mechanism 61, as shown in Figure 6, the air in receiving space S is sucked by fan 61, discharges from blow vent 62.Thus, be disposed near fan 61 heating component 78 in second substrate 43, the Air Flow when utilizing fan 61 to outside exhaust (with reference to the arrow A in Fig. 6) and cooling forcibly.
In addition, by fan 61 is driven, thereby make the inside of receiving space S become negative pressure, suck extraneous gas from passage 63 and the gap between base station 41 and cover body 44 that is formed on base station 41, reduce the temperature difference between receiving space S and extraneous gas.In addition, the extraneous gas that sucks from passage 63 flows through between the second stationary plane 56 of the second supporting board 52 and stream 74, heat sink 71 and second substrate 43 between heat sink 71 and the face side (with reference to the arrow B in Fig. 6) of second substrate 43 with flow velocity faster.Thus, the second supporting board 52, heat sink 71 and second substrate 43 is cooling forcibly.
In addition, as shown in figure 10, the air that utilizes fan 61 to discharge to the outside through blow vent 62 in the receiving space S of control cabinet 11, through the ventilation path 85 that is formed on blow vent 62 outsides to peristome 84 flow (with reference to the arrow C in Figure 10).And this moment, make the first supporting board 51 with fixing first stationary plane 55 of first substrate 42 cooling from rear side (outer surface side).In addition, in the present embodiment, because fin on this ventilation path 85 82 protrudes, so can utilize the air that flows in ventilation path 85 that the first supporting board 51 is cooling efficiently.Therefore, can make from heating component 75,78 heats that produce efficiently to external cooling.
In addition, be arranged on the lower surface of sewing machine table 12 due to the control cabinet 11 of present embodiment, so the air of emitting to the outside from peristome 84 is blocked by the lower surface of this sewing machine table 12, can not flow upward thus, but flow downwards along the outer surface of the second supporting board 52.And this moment, utilize this air-flow to make the second supporting board 52 with fixing second stationary plane 56 of second substrate 43 cooling from rear side (outer surface side).
As noted above, the control cabinet 11 of the Sewing machines related according to present embodiment, the step structure that has the first stationary plane 55 and the second stationary plane 56 by base station 41 is formed, fixing first substrate 42 on the first stationary plane 55, extend to the top of the second stationary plane 56, fixing second substrate 43 on the second stationary plane 56 makes cover body 44 overlap with base station 41, cover first substrate 42 and second substrate 43 around, thereby can make the spread heat of first substrate 42 and second substrate 43.Thus, first substrate 42 and second substrate 43 can be formed across the gap and the state of part coincidence, when realizing densification, guarantee good thermal diffusivity.
especially, owing to adopting following structure, namely, on the connecting portion 53 between the first stationary plane 55 and the second stationary plane 56, the fan 61 that carries out exhaust to the outside is set, make the air-flow of being discharged by fan 61 along the fixedly back side ventilation of the first stationary plane 55 of first substrate 42, so can utilize fan 61 discharges the heat of inside to the outside, and can make flow velocity Air Flow and carry out cooling faster along first substrate 42 and second substrate 43, and, can utilize the air-flow of discharging to the outside to carry out cooling to the first stationary plane 55, first substrate 42 is cooling more well.That is, can utilize 1 fan 61, by the air that sucks carry out cooling and undertaken by the air of discharging cooling, thereby improve cooling effectiveness, realize densification.
In addition, due to the structure that becomes at the mid portion configuration fan 61 of air path, so even the path of air is elongated, also can make the air velocity of air inlet side and exhaust side very fast.Thus, can improve the convection heat transmission, cooling effectiveness is improved in the zone that increase can forced air-cooling.
And, as noted above because cooling effectiveness is higher, so as the motor that consists of fan 61, can use small-sized motor, can realize that province can quantize and miniaturization.
In addition, by on connecting portion 53 and the first stationary plane 55, fin 82 being set all, thereby the heat of base station 41 can be emitted to the outside well.
In addition, due to second substrate 43 is fixed on the second stationary plane 56 via heat sink 71, so the heat of second substrate 43 can be transmitted and emits to heat sink 71, can improve the cooling effectiveness of second substrate 43.
And, owing to forming blow vent 62 on the connecting portion 53 between the first stationary plane 55 and the second stationary plane 56, separating with the first stationary plane 55 and formation passage 63 on the position of second substrate 43 in base station 41, so can suck extraneous gas and it is flowed along first substrate 42 and second substrate 43 from passage 63, discharge from blow vent 62.Thus, can first substrate 42 and second substrate 43 is cooling well.
In addition, as the blow vent 62 of connecting portion 53, also can form a plurality of slits or a plurality of hole.At this moment, a plurality of slits or hole can be crossed over the whole width of connecting portion 53 and form, also can be as shown in above-mentioned embodiment, with size, quantity arbitrarily, be arranged near heating component or near the specific position such as fan.In addition, passage 63 is formed on base station 41, but this passage 63 also can be formed on cover body 44, in addition, also can be formed on base station 41 and cover body 44 on the two.
In addition, due in the arranged outside of blow vent 62 along having the ventilation path 85 of the first supporting board 51 of the first stationary plane 55, be used to so can significantly improve the first cooling cooling effectiveness of stationary plane 55 of carrying out from the exhaust of blow vent 62.The part that in addition, also can make this ventilation path 85 is formed by fixing sewing machine table 12 lower surfaces of control cabinet 11.In the case, even without cover 83, also can utilize the part of the lower surface formation ventilation path 85 of sewing machine table 12, utilize the air that flows in this ventilation path 85 to improve cooling effectiveness.
In addition, in the face of arranging, so can utilize fan 61 to carry out very well exhaust from blow vent 62, can improve cooling effectiveness due to the blow vent 62 of fan 61 and connecting portion 53.
And, by near the fan 61 on second substrate 43 configuration heating component 78, thereby can utilize flow velocity faster air-flow make this heating component 78 cooling efficiently.
In addition, due to first substrate 42 and the first stationary plane 55 are fixed via the conducting strip 76 of non-powered, thus can be when guaranteeing insulating properties, the heat of first substrate 42 is transmitted well to the first stationary plane 55, make first substrate 42 cooling efficiently.
Especially, due on first substrate 42 and the first stationary plane 55 between fixed position near the configuration heating component 75, so can make this heating component 75 cooling well.
In addition, owing to comparing the second substrate 43 that is difficult to dismantle with first substrate 42 by first substrate 42 extensions, power substrate as the lift-launch general utility functions of the kind that does not rely on sewing machine main body 13, to compare with second substrate 43 easy-off first substrate 42 as controlling substrate, this control substrate is compared dismounting and is safeguarded more with the power substrate as the dedicated substrate corresponding with the kind of sewing machine main body 13, therefore, can improve assembling operation, maintainability and replacing workability.
In addition, in the present embodiment, example illustrates the situation of accommodating first substrate 42 and second substrate 43 these 2 substrates, but the substrate of accommodating in the receiving space S of control cabinet 11 also can be more than or equal to 3.
In addition, the part of cover 83 is extended to the rear side of the second supporting board 52 of base station 41, and the back side at cover 83 and the second supporting board 52 of base station 41 forms the gap, make from the exhaust of blow vent 62 and flow along the back side of the second supporting board 52 of base station 41, like this, can utilize exhaust that the second supporting board 52 is cooling, can further improve cooling effectiveness.
In addition, in the present embodiment, utilize fan 61 to suck extraneous gas from passage 63, and the air of discharging in receiving space S from blow vent 62, but also can utilize fan 61 to suck extraneous gas from blow vent 62, the air in receiving space S is discharged from passage 63.
In addition, in the present embodiment, be provided with the fan 61 that force air is flowed, but also fan 61 can be set.In the situation that fan 61 is not set, utilize the heat that is produced by the heating component 75 of first substrate 42 and second substrate 43,78 etc., produce free convection in receiving space S.Like this, utilize this free convection that the air in receiving space S is flowed out from blow vent 62 to the outside, flow into extraneous gas from passage 63 thus.Thus, make first substrate 42 and second substrate 43 in receiving space S cooling.
In addition, in the present embodiment, second substrate 43 is arranged on heat sink 71, this heat sink 71 is fixed on the second stationary plane 56 in the second supporting board 52 of base station 41, but also can omit heat sink 71, second substrate 43 directly is fixed on the second stationary plane 56 in the second supporting board 52 of base station 41, the heat of second substrate 43 is directly transmitted to the second stationary plane 56, in the case, can realize the raising of cooling effectiveness.
Claims (9)
1. the control cabinet of a Sewing machines, it has: base station, it configures abreast for the first substrate of mounting electronic parts and second substrate; And cover body, it is by overlapping with described base station, thus cover described first substrate and described second substrate around,
It is characterized in that,
Described base station just form differently for the first stationary plane of fixing described first substrate with for the second stationary plane of fixing described second substrate, and at least a portion at the back side of described the first stationary plane is exposed to the outside,
Described first substrate extends above described second substrate.
2. the control cabinet of Sewing machines according to claim 1, is characterized in that,
At first supporting board that will be provided with described the first stationary plane be provided with on the connecting portion that the step between the second supporting board of described the second stationary plane connects, be provided with inner space and outside blow vent and the fan that is communicated with described control cabinet, this fan produces the air-flow by described blow vent, thereby carry out inner space from described control cabinet to the exhaust of outside or from the outside to the air inlet of described inner space
The air-flow that is produced by described fan flows along the back side of described the first stationary plane in described the first supporting board.
3. the control cabinet of Sewing machines according to claim 2, is characterized in that,
The blow vent that utilizes described fan to carry out exhaust or air inlet across described second substrate, is respectively formed on the position away from described the first stationary plane of described connecting portion and described base station or cover body.
4. the control cabinet of Sewing machines according to claim 3, is characterized in that,
In the outside of described blow vent, along the outer surface formation ventilation path of described the first supporting board.
5. the control cabinet of Sewing machines according to claim 4, is characterized in that,
On any in described the first supporting board and described connecting portion or fin is set on the two.
6. the control cabinet of Sewing machines according to claim 3, is characterized in that,
Described second substrate is fixed on described the second stationary plane via the heat sink that be arranged in parallel with described second substrate.
7. the control cabinet of Sewing machines according to claim 6, is characterized in that,
Configure heating component near the described fan on described second substrate.
8. the control cabinet of Sewing machines according to claim 7, is characterized in that,
Described first substrate and described the first stationary plane are fixed via the conducting strip of non-powered.
9. the control cabinet of Sewing machines according to claim 8, is characterized in that,
Near on described first substrate and fixed position described the first stationary plane, the configuration heating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220262150 CN202945440U (en) | 2012-06-05 | 2012-06-05 | Control box of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220262150 CN202945440U (en) | 2012-06-05 | 2012-06-05 | Control box of sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN202945440U true CN202945440U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220262150 Expired - Lifetime CN202945440U (en) | 2012-06-05 | 2012-06-05 | Control box of sewing machine |
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| Country | Link |
|---|---|
| CN (1) | CN202945440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480612A (en) * | 2015-09-01 | 2017-03-08 | 顾飞龙 | Cloth rolls the modularity control mechanism method for assembling of bar machine |
-
2012
- 2012-06-05 CN CN 201220262150 patent/CN202945440U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480612A (en) * | 2015-09-01 | 2017-03-08 | 顾飞龙 | Cloth rolls the modularity control mechanism method for assembling of bar machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |