EP1923497A1 - Dispositif de communication pour une machine à coudre - Google Patents

Dispositif de communication pour une machine à coudre Download PDF

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Publication number
EP1923497A1
EP1923497A1 EP07405305A EP07405305A EP1923497A1 EP 1923497 A1 EP1923497 A1 EP 1923497A1 EP 07405305 A EP07405305 A EP 07405305A EP 07405305 A EP07405305 A EP 07405305A EP 1923497 A1 EP1923497 A1 EP 1923497A1
Authority
EP
European Patent Office
Prior art keywords
sewing machine
communication
communication module
foot
foot control
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.)
Withdrawn
Application number
EP07405305A
Other languages
German (de)
English (en)
Inventor
Götz Heinbach
Michael Wentkowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BERNINA International AG
Original Assignee
BERNINA International AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BERNINA International AG filed Critical BERNINA International AG
Publication of EP1923497A1 publication Critical patent/EP1923497A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/02—Mechanical drives
    • D05B69/06—Pedal drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices

Definitions

  • the invention relates to a communication device for a sewing machine, a foot control and a method for operating a sewing machine according to the features of claims 1, 7 and 9.
  • Sewing machines are usually controlled by means of a foot control, which is connected to the sewing machine via a connecting cable. It is also known to transmit control variables of a foot control wirelessly via a radio link to a receiver connected to the sewing machine.
  • the DE 102005005882 discloses such a method for cordless control of a sewing machine.
  • a cordless receiver module can be remotely connected to the sewing machine.
  • a speed control module or a foot control separate from the sewing machine comprises a battery unit, a microcomputer and a transmitter unit. To control the motor unit of the sewing machine by means of the speed control module, an initialization first takes place, wherein a security code part is transmitted from the speed control module to the receiver module.
  • the speed control module transmits the respective pedaling position corresponding control signals with an identification part and a speed control code part to the receiver module.
  • a disadvantage of this arrangement is that during initialization, there is no clear association between the foot control with the speed control module and the receiver module coupled to the sewing machine. A foot control could thus simultaneously transmit control signals to several sewing machines. This is a significant security risk.
  • a further object is to design the method and the device in such a way that not only control signals from foot starters to the sewing machine can be transferred, but also that the sewing machine and any further objects designed accordingly can communicate with one another or exchange data.
  • a communication device is embodied on the side of the sewing machine and on the side of the foot starter, which allows bidirectional transmission of data.
  • the sewing machine or a first communication module that can be integrated in the sewing machine or connected to the sewing machine and the foot control or a second communication module that can be integrated into the foot control or connectable to the foot control each comprise a transmitting and receiving device or a transceiver and a data processing device and a data memory ,
  • the data memory of each communication module stores a unique object ID, which is composed of a class ID specifying the device type and a unique ID uniquely identifying the respective object.
  • Devices and accessories with such communication modules can be combined to form a wireless radio network.
  • the sewing machine acts as a host and controls logon and logoff of components or additional devices that are within range of the radio connection.
  • the associated foot control ID is stored in the memory of the communication module on the side of the sewing machine.
  • the sewing machine ID in the data memory of the communication module on the side of the foot control saved.
  • FIG. 1 shows a first sewing machine 1, which is connected via a wireless radio network 3 (shown symbolically by jagged double arrows) with other objects or accessories and / or devices or connectable.
  • a wireless radio network 3 shown symbolically by jagged double arrows
  • one or more globally approved radio frequencies in the 2.4 GHz band are used for the communication.
  • the other objects are a foot control 5, an external computer 7 and another sewing machine 1.
  • embroidery hoops, external input means, displays, headsets with voice control, radio bracelets with hand starter and the like could be integrated into the network 3 as further objects (not shown).
  • the first sewing machine 1 and one or more of the further objects can be connected to one another by means of a communication device by radio. Via such radio links both control data such as the manipulated variable of the foot control 5 for controlling the sewing machine speed and application data such as programs, stitch or embroidery data between sewing machines 1 or between the sewing machine 1 and computer 7 or other radio objects can be transmitted.
  • the sewing machine 1 and each of the objects are each assigned a communication module 9 with a transceiver 11 or a transmitter and a receiver as well as an antenna 12.
  • a transceiver 11 is for example the type nRF24L01 from the company Nordic Semiconductor.
  • the "ShockBurst (TM)" protocol used enables multi-channel operation with high transmission rate and low power consumption.
  • the communication modules 9 usually comprise a separate data processing unit (not shown) and can be installed in the sewing machine 1 and / or in the network 3 connectable objects. An example of this is the in FIG. 2 Alternatively, communication modules 9 can also be connected via corresponding interfaces 13 to the sewing machine 1 and / or the objects or connected thereto.
  • a communication module 9 installed in a dongle or a small housing 15 with a four-pin phone jack and connected to the sewing machine 1 via a corresponding jack.
  • jack socket is used, which is provided for connecting a wired foot starter 5.
  • an RS-232 interface could be used as an interface 13, for example.
  • a wirelessly usable foot starter 5 may have an interface for connecting a connection cable. If required, such foot controls 5 can be connected to the sewing machine 1 and used as conventional, wired foot controls 5. By connecting a connection cable, communication via radio with this foot control 5 is actively prevented for safety's sake.
  • two processors 17a and 17b are connected to the communication module 9 and control the data traffic to and from the communication module 9. Both processors 17a, 17b are connected to a security module 19. This verifies security-relevant data provided by the processors 17a, 17b.
  • An output of the security module 19 is connected to the drive 21 of the sewing machine 1.
  • An output of the second processor 17b is also connected via a control line 23 to the drive 21.
  • the second processor 17b calculates the manipulated variable for the drive 21 to be output to the manipulated variable line 23. The calculation is made on the basis of the data supplied from the communication module 9 via the foot control interface 13 to the sewing machine 1. If, instead of the communication module 9, a conventional foot control 5 is connected via a cable to the foot control interface 13 of the sewing machine 1, the manipulated variable 24 delivered by this foot control 5 is correspondingly processed.
  • the first processor 17a calculates the data or signals to be output to the security module 19.
  • the safety module 19 controls or overrides the data or control variables which are supplied to the drive 21 via the control value line 23.
  • the first processor 17a may also perform the tasks of the second processor 17b in an alternative embodiment of the invention. The latter is therefore eliminated.
  • the security module 19 can also be partially or completely integrated into the first processor 17a. If a plurality of processors 17a, 17b are provided, security-relevant data, for example, can be evaluated redundantly, as a result of which the security can be increased. With such data redundancy, for example, the control of the drive 21 of the sewing machine 1 can be made dependent on a non-zero manipulated variable, that of the two processors 17a, 17b calculations independently provide a release signal for the security module 19. Of course, it is also possible to have the manipulated variable itself redundantly calculated by two processors.
  • the communication device may e.g. a connectable to this USB interface 13 communication module 9 with an additional cable for connection to a 2-pole permiteanlasserbuchse the sewing machine 1 include (not shown).
  • the in FIG. 2 shown foot control 5 includes in addition to a built-in or integrated radio or communication module 9 and a processor 17c and an electrical energy storage, for example, a battery 25.
  • the battery 25 is a lithium battery with high energy density and a low Self-discharge rate.
  • the processor 17c evaluates the pedal position of the foot starter 5, which can be detected, for example, by means of a built-in potentiometer or rotary encoder.
  • the processor 17c is also used for checking the data transfer which takes place via the communication module 9. Thus, no additional processor is required for this task in the communication module 9.
  • Each communication module 9 comprises a data memory 27 or has access to a data memory 27.
  • the data memory 27 stores an identification code which is in unambiguous relationship to the respective communication module 9 or the respective object to which the data memory 27 is assigned.
  • the identification code (henceforth also called object ID 29) is composed of a class ID 31 of, for example, the device type or device type (e.g., host radio dongle for particular sewing machine families) of e.g. 16 bits in length and unique identifier 33 (e.g., production date and time) of e.g. 32bit length together.
  • the data memory 27 can also be integrated into the sewing machine 1 or the further objects that can be accommodated in the network 3 (no display).
  • the identification code is clearly related to the respective sewing machine 1 or the respective one another object.
  • an exchange of externally connectable to interfaces 13 of sewing machines 1 or other objects communication modules 9 is possible, provided that they have compatible interfaces 13.
  • a wireless object to be integrated into network 3 it must first be registered there.
  • exemplary log-on, operation and log-off of a foot control 5 in a sewing machine 1 acting as a host are explained.
  • the foot control 5 should not be able to be registered simultaneously as a peripheral device in several sewing machines 1.
  • the communication module 9 belonging to the foot control 5 After inserting the battery 25, the communication module 9 belonging to the foot control 5 periodically transmits data packets with its object ID 29, status information 30, which provides information about any assignment already made to a host (eg a status bit or the object ID 29) this host), possibly further data such as a pedaling the pedal position 5 representing control value 24, a serial number and a checksum (CRC).
  • a host eg a status bit or the object ID 29
  • CRC checksum
  • the data packets may also include additional or other information, such as the charge status of the battery 25 or the execution of a kickback on the foot control 5.
  • the sewing machine 1 carries out a scanning process, capturing all peripherals that are within radio range (about 50m outdoors, about 15m in buildings, can be reduced to about 1.5m in foot starters 5 by reduced transmit power) and lists them together with their respective ones Object ID 29 and the respective status 30 on a display on the sewing machine 1.
  • a not yet assigned foot control 5 can be selected.
  • Its object ID 29 is also indicated on the nameplate so that the number corresponding to the desired foot control can be selected.
  • the object IDs 29 can only be displayed incompletely on the display. The missing numbers must then be added manually. Registration is only possible with correct completion of the object ID 29.
  • the object ID 29 of the host or the sewing machine 1 is stored in the data memory 27 of the foot starter 5.
  • the host stores the object ID 29 of the corresponding foot starter 5. After this one-to-one correspondence, the foot starter 5 can no longer be registered with another sewing machine 1.
  • the original state without assignment to a host can be effected, for example, by briefly removing the battery 25 or by pressing a reset button (not shown) on the foot control 5. In this way, the Pairing between foot control 5 and sewing machine 1 lifted or the foot control 5 are logged off from the sewing machine 1.
  • a pairing between foot control 5 and sewing machine 1 could also be achieved in the setup program of the sewing machine 1 by the complete passage of the foot starter 5 during a predetermined time of eg 5 s.
  • the foot control 5 After the foot control 5 is left for a long time, e.g. 5, 10 or 15 minutes has not been used, it can, with appropriate configuration in a power saving mode and, for example. be put back into the normal operating mode by a single passage of the pedal.
  • FIG. 3 shows a possible sequence for the data transmission from the foot control 5 to the sewing machine 1.
  • a transmission takes place only at a led out of the zero position or rest position pedal position. Otherwise, no signals will be sent from the foot control 5.
  • the foot control is in energy-saving mode and only monitors the position of the foot pedal.
  • Time line arranged on the left indicates the course of time t.
  • two periods are periodically with a period .DELTA.t1 + .DELTA.t2 via two frequency channels CH1 and CH2 at a time interval .DELTA.t1 of eg 50ms redundant data packets with the object ID 29 of the foot control 5 associated communication module 9, the respective control variable 24, a status information 30 and a checksum CRC transmitted.
  • a time interval .DELTA.t1 eg 50ms redundant data packets with the object ID 29 of the foot control 5 associated communication module 9, the respective control variable 24, a status information 30 and a checksum CRC transmitted.
  • a time interval .DELTA.t1 eg 50ms redundant data packets with the object ID 29 of the foot control 5 associated communication module 9, the respective control variable 24, a status information 30 and a checksum CRC transmitted.
  • several redundant data packets can be transmitted.
  • the frequency channel CH1, CH2 is changed only when a fault is detected. This can e.g. then be the case if n out of m data packets received by the sewing machine 1 are faulty, where n ⁇ m and where n and m are natural numbers.
  • the change of the frequency channel CH1, CH2 can be initiated either automatically or by pressing a button on the sewing machine 1 or on the foot control 5. In case of a detected failure, e.g. the engine control is switched off and thus the braking operation can be initiated.
  • an emergency stop of the sewing machine motor can be initiated become.
  • An emergency stop can also be initiated if the foot control 5 or its communication module 9 is not used for a long period of time.
  • the emergency stop state can be displayed, for example, by means of additional information on the display of the sewing machine 1 and / or by means of a short warning tone.
  • the drive 21 of the sewing machine 1 can be released in this case, for example by pressing a button on the sewing machine 1 again.
  • the communication device e.g. several sewing machines 1 are configured from a computer 7 via radio.
  • the computer 7 acts as a host.
  • this may e.g. are identified by a hierarchical order of the class IDs 31, wherein the class ID 31 of the computer 7 in the hierarchy is higher than that of the sewing machine 1.
  • a prioritization according to the unique IDs 33 can again take place.
  • the computer 7 several sewing machines 1 assign a common group ID, which then instead of or in addition to the unique object ID in the communication with these Sewing machines 1 is used.
  • several sewing machines 1 can be addressed simultaneously by the higher-level computer 7. This can be useful, for example, if in a training room or in a production plant for sewing machines 1 multiple sewing machines 1 must be configured approximately simultaneously, or if, for example, a demo video should be transmitted as possible to several sewing machines 1.
  • the scope of the communication device is extended so that it can be used not only for the one-way bidirectional communication, but also (after appropriate configuration) for unidirectional data transmission or bidirectional communication between a computer 7 and several sewing machines 1.
  • a status bit in a basic configuration of the sewing machine 1 it can be determined whether it is intended for home use with only one foot control 5 or for use in training rooms with simultaneous presence of several sewing machines 1 and several foot controls 5 is. Depending on the status of this status bit, different menu items can then be selected for selection (eg selection of one of several recognized foot starters) or different functions can be performed.
  • foot controls 5 or other objects can also be designed such that they can be addressed and configured simultaneously by a computer 7. Again, preferably via a status bit of the purpose (home or school) can be specified.
  • Such configurable parameters are e.g. the transfer curve between the respective pedaling position and the associated sewing speed or the purpose of use of the foot control (e.g., control of sewing speed or on-off switch during freehand quilting).
  • a configuration of the meritanlassers 5 may be provided by the respective associated sewing machine 1.
  • purely wired foot controls 5 can be configured configurable.
  • the state of charge of the battery 25 in the foot control 5 can be monitored, for example, by the foot starter 5 periodically or according to predetermined rules sends identification bits to the sewing machine 1.
  • the sewing machine 1 acknowledges receipt of such identification bits by sending an acknowledgment to the foot control 5. If the battery charge is too low, the transmission power is too low to be able to ensure reliable data transmission from the foot control 5 to the sewing machine 1. Single or multiple acknowledgment signals of the sewing machine 1 are thus eliminated.
  • the foot control 5 the Absence of n out of m acknowledgment signals, it can indicate the defective state of charge of the battery 25 with acoustic and / or optical signals.
  • the foot control 5 sends with sufficient battery power with reduced transmission power and after a detected too deep battery charge with increased transmission power.
  • the reception of data on the side of the sewing machine 1 can also generally be monitored.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sewing Machines And Sewing (AREA)
EP07405305A 2006-11-17 2007-10-11 Dispositif de communication pour une machine à coudre Withdrawn EP1923497A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH18552006 2006-11-17

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EP1923497A1 true EP1923497A1 (fr) 2008-05-21

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EP (1) EP1923497A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105063910A (zh) * 2015-07-28 2015-11-18 杰克缝纫机股份有限公司 一种基于无线数据传输的无拉杆工业缝纫机调速结构
CN108259513A (zh) * 2018-03-21 2018-07-06 成都优孚达信息技术有限公司 一种基于2.4ghz的加密传输设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107109746B (zh) * 2014-08-01 2020-05-05 环球仪器公司 缝制装置、系统与方法
JP6494959B2 (ja) * 2014-09-03 2019-04-03 蛇の目ミシン工業株式会社 ミシンシステム、ミシン、端末装置、ミシンシステムにおけるコンテンツ表示方法、ミシンのプログラム、端末装置のプログラム
JP7248952B2 (ja) * 2019-03-22 2023-03-30 株式会社ジャノメ 電動ミシン

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976552A (en) * 1988-05-20 1990-12-11 Janome Sewing Machine Company Limited Sewing machine of a sewing machine by wireless controller
US5247449A (en) * 1990-10-04 1993-09-21 Brother Kogyo Kabushiki Kaisha Sewing machine having a wireless controller
WO1999051807A1 (fr) * 1998-04-02 1999-10-14 Philip Shad Systeme de commande sans fil pour machine a coudre
GB2376956A (en) * 2002-06-12 2002-12-31 Philip Shad Wireless controlled sewing machines
US20050179408A1 (en) * 2004-02-12 2005-08-18 Taiwan Yamamoto Electric Industrial Co., Ltd. Method of wirelessly controlling a sewing machine
US20060005751A1 (en) 2004-07-06 2006-01-12 Janome Sewing Machine Co., Ltd. Electric sewing machine

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Publication number Priority date Publication date Assignee Title
DE19501177C1 (de) * 1995-01-17 1996-04-11 Pfaff Ag G M Programmgesteuerte Näh- oder Stickmaschine
JPH11104376A (ja) * 1997-09-30 1999-04-20 Brother Ind Ltd ミシン管理システム及び記録媒体
WO2002081803A1 (fr) * 2001-03-30 2002-10-17 Brother Kogyo Kabushiki Kaisha Systeme de fourniture de schemas de debit
JP2004141471A (ja) * 2002-10-25 2004-05-20 Janome Sewing Mach Co Ltd ネットワーク接続可能な刺繍装置及びネットワークシステム
US20050060058A1 (en) * 2003-05-22 2005-03-17 Marion Cameron Embroidery network control system and method
TWM255870U (en) * 2003-12-31 2005-01-21 Katagiri Kazushige External wireless receiver for sewing machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976552A (en) * 1988-05-20 1990-12-11 Janome Sewing Machine Company Limited Sewing machine of a sewing machine by wireless controller
US5247449A (en) * 1990-10-04 1993-09-21 Brother Kogyo Kabushiki Kaisha Sewing machine having a wireless controller
WO1999051807A1 (fr) * 1998-04-02 1999-10-14 Philip Shad Systeme de commande sans fil pour machine a coudre
GB2376956A (en) * 2002-06-12 2002-12-31 Philip Shad Wireless controlled sewing machines
US20050179408A1 (en) * 2004-02-12 2005-08-18 Taiwan Yamamoto Electric Industrial Co., Ltd. Method of wirelessly controlling a sewing machine
US20060005751A1 (en) 2004-07-06 2006-01-12 Janome Sewing Machine Co., Ltd. Electric sewing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105063910A (zh) * 2015-07-28 2015-11-18 杰克缝纫机股份有限公司 一种基于无线数据传输的无拉杆工业缝纫机调速结构
CN108259513A (zh) * 2018-03-21 2018-07-06 成都优孚达信息技术有限公司 一种基于2.4ghz的加密传输设备

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Publication number Publication date
US20080115709A1 (en) 2008-05-22

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