EP2262937A1 - Vorrichtung mit gekühltem leistungsteil zur herstellung von effektgarn - Google Patents
Vorrichtung mit gekühltem leistungsteil zur herstellung von effektgarnInfo
- Publication number
- EP2262937A1 EP2262937A1 EP09722322A EP09722322A EP2262937A1 EP 2262937 A1 EP2262937 A1 EP 2262937A1 EP 09722322 A EP09722322 A EP 09722322A EP 09722322 A EP09722322 A EP 09722322A EP 2262937 A1 EP2262937 A1 EP 2262937A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- power unit
- cooling
- unit according
- cooling plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
Definitions
- the invention relates to a power unit of a control unit of a device for producing effect yarn, according to the preamble of the independent claim, as well as the control unit and the device itself, and a ring spinning machine with such a device.
- DE4041301 discloses such a method and apparatus for producing a fancy yarn on a ring spinning machine. Shown is a compact, precisely adjustable spinning machine for the production of fancy yarns.
- the speed variations of the drafting systems required for the effect yarn production are made possible by means of servomotors and an electronic control system.
- the mentioned device is suitable for use with the invention disclosed in this application. Control and operation of the electric servomotors of the differential drive is performed with a power unit of the control unit, which runs on the basis of an arbitrarily adjustable program, the speed of the electric motor such that the desired extension variation takes place.
- the programming of the control unit takes place on an operating part via a data carrier.
- control unit in particular the power unit, must be arranged in the immediate vicinity of the differential drive.
- Control units for a plurality of devices for operating a plurality of spinning banks can also be combined, or the power section of a control unit can have a plurality of power electronics modules which each control and operate an electric motor of a device in parallel.
- the Cephaseuseinnere of the power unit is air-cooled by fans. Because of the unavoidably high dust load in the vicinity of spinning machines, the outside air sucked in from outside must be filtered. The filter mats used clog if they are not regularly serviced and replaced. This then leads to overheating and the failure of the control electronics. Furthermore, further environmental factors such as very high relative humidity and high ambient temperature as well as static charges in the yarn production and electromagnetic interference fields can lead to failures of the electronics. Any break in production of a spinning bank, however, either because of the failure of the control electronics or due to necessary maintenance work, leads to a reduction of the production volume and thus to a reduced profitability of the plant.
- the object of the invention is to provide a power unit for a control unit of a device for producing effect yarn, which comprises the above-mentioned and does not have other disadvantages.
- a power unit according to the invention and thus the entire control unit, should have a high degree of reliability.
- a power unit in which the electronic components to be protected are arranged.
- the housing has no cable outlets, especially for supply and control lines, no openings, so that dust and moisture can not get into the interior.
- the remaining openings of the housing are sealed dust-tight.
- the interior of the housing is shielded from outside by electromagnetic interference, for example by a suitable design of the housing, and corresponding sealing elements.
- a power unit according to the invention has a cooling device with a cooling plate which forms a side wall of the housing. The heat produced in the interior of the housing is released to the outside world via this cooling plate.
- the removal of heat from the cooling plate can be done by air cooling.
- the cooling plate on the outer side has a plurality of cooling fins, which increase the surface of the cooling plate by a multiple. To be efficient To ensure air circulation, these are preferably arranged perpendicular to the horizontal.
- the cooling of the cooling plate can also be done via a water cooling.
- the temperature of the cooling water supply is regulated such that the temperature of the cooling plate on the Cephouseinnenseite does not fall below the condensation temperature of water. This avoids condensation of humidity on the Cephouseinnenseite.
- the cooling plate is solid, because it should have a large heat capacity; and the thermal conductivity should be as high as possible.
- the cooling plate is therefore made of metal, for example. Copper or aluminum.
- a ventilation device may be provided, with which the air is circulated in the interior of the closed housing.
- additional cooling ribs may also be arranged on the inside of the cooling plate and / or in certain waste heat sources.
- the outer shape of the housing is optimized so that the most efficient convective heat transfer can be achieved. It has been found that suitable chamfering of one or more edges of the housing cover leads to improved convection within the closed housing. Due to the smaller voids, an additional internal circulation can be made more efficient with the help of a fan. As an additional advantage of such a construction is also to call the lower total volume.
- the cooling plate is advantageously used as a supporting structure, so that the remaining housing consist of comparatively thin sheet metal. Preferably, then this Cenzousedeckel be removed with a small disassembly effort from the supporting cooling plate.
- Figure 1 shows schematically a power unit according to the invention in a side view (a), and an isometric view (b).
- FIG. 2 schematically shows a control unit according to the invention of a device for producing effect yarn, and the ring spinning machine.
- FIG. 3 schematically shows a power part according to the invention, in a cross section with a view of the longitudinal axis.
- FIG. 1 A possible embodiment of a power unit 4 according to the invention of a control unit 1 is shown schematically in FIG. 1; (a) in a side view perpendicular to the cooling fins, and (b) in an isometric view.
- the housing 41 of the power unit 4 consists of a cooling plate 42 and a housing cover 41 first
- the cooling plate 42 is air-cooled in the example shown and has a plurality of cooling fins 421. These are designed such that the largest possible cooling surface results.
- the cooling fins 421 are aligned in the operating position as perpendicular to the horizontal as possible, ideally completely vertical, in order to guarantee an efficient vertical air flow. It can also be provided an external fan, which additionally increases the air flow to the cooling fins.
- the control electronics module 46, four power electronics modules 43, 43 ', and a power module 44 are arranged in the interior 402 of the closed housing 41.
- the control electronics module 46 On the control module 46 is a maintenance interface 461, by means of which a service technician 44 receives after removing the Ceiling cover access to the electronics.
- the casings 421 of the housing are preferably in the contact area of the cooling plate 42 and the housing cover 41, so that the housing cover can be removed without dismantling the cables 50 and the power unit 4 can be placed on the cooling plate 42 for maintenance.
- the cables 50 lead vertically downwards without kinking.
- a warning light 54 or other warning signal may be appropriate to, for example, the operating status and disturbances of the power section 4 visible and / or audible display.
- Each of the power modules 43, 43 ' is provided for operating a differential drive of a device 2.
- the power electronics modules is preferably realized as an intelligent master module 43, which controls the other modules 43 'in a slave mode.
- the power supply module 44 which is connected to the 400 V power supply, provides, among other things, the DC power sources required for the electronics, and contains contactors and fuses.
- the cooling plate 42 is designed as a supporting structure of the power unit 4. All components of the power unit, in particular all the different modules 43, 44, 46, are constructed on the cooling plate 42. Preferably, the modules are designed such that the most efficient possible heat removal from the respective module is made possible in the cooling plate, optionally by appropriate arrangement of the largest heat sources within the module and suitable thermal bridges.
- this is preferably axially rotatable and fixable on abutments 6 stored, as shown in Figure 1.
- the abutment 6 is aligned on the left with the flange 62 in the direction of the cooling plate 42, and the abutment 6 on the right with the flange 62 in the direction of a side wall of the Ceiling cover, analogous to FIG. 1 (b).
- the abutments 6 can be fastened via flanges 62 to existing suitable structures, for example on or on the support structure of a ring spinning machine 8, or on a building wall or a carrier.
- the power unit 4 can be rotated and then fixed so that the cooling fins 421 are as vertical as possible to allow efficient convective heat dissipation.
- suspensions 423 attached to the cooling plate 42, via which the power unit with axle 61 can be rotatably mounted on the abutments 6.
- the Ceiling cover 41 arranged between the abutment 6 and the suspension 423 has openings for the axle bolts 61, it itself does not absorb forces, which allows a lightweight design.
- Figure 2 shows schematically a ring spinning machine 8 with a device 2 for producing effect yarn, and a control unit 1 with an operating part 3 and a power section 4, 4 '. Shown are two possible variants 4, 4 'of a power unit.
- a first variant of the power unit 4 is mounted laterally on the ring spinning machine 8.
- the abutments 6 are flanged to a vertical structure of the frame of the ring spinning machine 8.
- the air-cooled cooling plate 42 has cooling fins 421 that are vertically aligned.
- the operating part 3 is arranged offset from the power unit 4, and is connected via a suitable data bus 53 with this.
- This design has the advantage that operating part 2 and power unit 3 can be mounted in each case at the most suitable location.
- the goal is, inter alia, a small space consumption and short lines to the differential drives 21, while the operating part 3 should preferably be easily accessible to an operator. Communication between see operating part 2 and power section 3 can also be done via wireless communication.
- a power section 4 ' is arranged above the ring spinning machine 8.
- the cooling plate 42 'of this power section 4' has a water cooling 7, with lines for the cooling water flow 71 and cooling water return 72nd
- a cooling plate with water cooling is more expensive than a solution with an air-cooled cooling plate due to the additional external installation effort for water cooling, but allows greater performance, especially in continuous operation due to the significantly increased capacity of heat dissipation.
- the water cooling is regulated such that the temperature at the surface of the cooling plate within the housing does not fall below the condensation point, so that any residual moisture within the housing does not condense.
- any other suitable cooling medium can be used instead of water.
- the various heat sources within the housing 41 of a power unit 4 according to the invention are in heat-conducting contact with the cooling plate.
- the effectiveness of the air circulation may be enhanced by one or more fans disposed within the housing, which ideally produce a circular air circulation between the housing interior 402 and the cooling plate 42. Since, however, in the power unit according to the invention, in contrast to the prior art, there is no exchange of air between the housing interior 402 and the environment 401, the deficient quality of the ambient air is not a problem.
- a further embodiment of a power unit 4 according to the invention is shown schematically in a cross section in FIG.
- the control unit is in the operating position, with vertically aligned outer cooling fins 421.
- additional internal cooling ribs 426 are formed on the cooling plate 42, which are directed against the interior 402.
- These inner cooling ribs 426 are used for improved heat absorption from the air in the interior 402 in the cooling plate 42.
- these inner cooling ribs 426 extend next to the modules 43, 43 ', 44, 46 over the entire height of the cooling plate 42, for example. between the modules, or at Ce Reifenand.
- a fan 425 is arranged, which sucks in the warm air rising in the Cephouseinneren 402 and blows on the inner cooling ribs 426 down.
- a flow channel is arranged, which encloses the inner cooling ribs 426.
- the inner air circulation is further optimized in the example shown by the longitudinal edges of the Capurusedeckels have facings. This results in a comparatively constant flow cross section between the Ceiling lid 41 1 and the modules 43, 43 ', 44, 46. Also conceivable are other adjustments such as rounded or irregular shapes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3982008 | 2008-03-17 | ||
PCT/EP2009/051601 WO2009115375A1 (de) | 2008-03-17 | 2009-02-11 | Vorrichtung mit gekühltem leistungsteil zur herstellung von effektgarn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2262937A1 true EP2262937A1 (de) | 2010-12-22 |
EP2262937B1 EP2262937B1 (de) | 2013-08-14 |
Family
ID=40749812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09722322.6A Active EP2262937B1 (de) | 2008-03-17 | 2009-02-11 | Vorrichtung mit gekühltem leistungsteil zur herstellung von effektgarn |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2262937B1 (de) |
CN (1) | CN101970735B (de) |
ES (1) | ES2433575T3 (de) |
WO (1) | WO2009115375A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105002606A (zh) * | 2014-04-25 | 2015-10-28 | 苏州科技学院相城研究院 | 差速器在纺机中的应用 |
CN116437616B (zh) * | 2023-05-11 | 2024-02-20 | 中山市锐钜智能电子有限公司 | 一种电路板的隔离防尘装置及防尘方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520425A (en) * | 1982-08-12 | 1985-05-28 | Mitsubishi Denki Kabushiki Kaisha | Control apparatus with improved structure for cooling circuit elements |
AT384343B (de) * | 1985-04-16 | 1987-10-27 | Siemens Ag Oesterreich | Gehaeuseanordnung fuer belueftete geraete, vorzugsweise der leistungselektronik |
DE3866533D1 (de) * | 1988-01-30 | 1992-01-09 | Rieter Ag Maschf | Waermeabfuhr von textilmaschinen. |
DE4041301A1 (de) * | 1990-12-21 | 1992-06-25 | Amsler Iro Ag | Spinnmaschine fuer und verfahren zum spinnen von effektgarn |
DE10036234A1 (de) * | 2000-07-26 | 2002-02-21 | Lenze Gmbh & Co Kg Aerzen | Frequenzumrichter mit einem aus Oberteil und Unterteil bestehenden Gehäuse |
DE102005037488B4 (de) * | 2004-09-07 | 2007-12-06 | Sew-Eurodrive Gmbh & Co. Kg | Kühlanordnung und deren Verwendung sowie Kompaktantrieb und Umrichter mit einer derartigen Kühlanordnung |
DE102006057796B4 (de) * | 2005-12-08 | 2011-03-03 | Sew-Eurodrive Gmbh & Co. Kg | Kühlanordnung für Wärme erzeugende elektrische Komponenten und elektrisches Gerät damit |
DE102006046194A1 (de) * | 2006-09-29 | 2008-04-03 | Siemens Ag | Kühlkörper zur Kühlung eines elektrischen Bauelementes |
-
2009
- 2009-02-11 EP EP09722322.6A patent/EP2262937B1/de active Active
- 2009-02-11 WO PCT/EP2009/051601 patent/WO2009115375A1/de active Application Filing
- 2009-02-11 ES ES09722322T patent/ES2433575T3/es active Active
- 2009-02-11 CN CN2009801086755A patent/CN101970735B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2009115375A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009115375A1 (de) | 2009-09-24 |
ES2433575T3 (es) | 2013-12-11 |
CN101970735A (zh) | 2011-02-09 |
EP2262937B1 (de) | 2013-08-14 |
CN101970735B (zh) | 2012-09-26 |
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