• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An electronic controlling equipment of the driving systems with electromagnetic couplings destined to equip industrial sewing and/or overcasting machines. The electronic controlling equipment performs the continuous speed adjustment, stopping at the fixed, preselected point and controls for additional operations at the sewing and/or overcasting machines: the lifting of the footlet, the drive of the scissors and the thread loosening by means of a driving control, of an analogical scheme for the speed adjustment by chopping, of a braking scheme and stopping at fixed point controlled by a speed and position transducer, corresponding to a logical scheme of interconditioning and interblockings.
    公开号:SU1498397A3
    申请号:SU843794613
    申请日:1984-09-21
    公开日:1989-07-30
    发明作者:Теодор Танасеску Флорин；Ватафу-Гайтан Лауренти；Стефанеску Думитру
    申请人:Институтул Де Церцетаре Стиинтифика Си Инженерие Технологица Пентру Индустриа Электротехника-И.Ц.П.Э. (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to the clothing industry.
    The purpose of the invention - improved reliability in operation
    Figure 1 shows flowcharts; electronic unit; Fig. 2 - 1 ss; the pump unit of the task block p & machine operation; Fig. 3 - co} 1 means for measuring the speed and position of the main shaft of the machine; FIG. 4 shows a circuit diagram of an electronic unit.
    Elextro control unit (Fig. 1, the drive consists of a sewing machine 1, through a kinematig transfer 2, connected with a gear 3, which includes an asynchronous electric motor 4 o Block 5 setting the operating mode of the machine with its input connected
    one of the outputs of the generator 6 rectangular voltage pulses. The rifle 3 also includes an electromagnetic clutch 7 that is kinematically connected to the shaft of the electric motor; the driver 4. The inputs of the comparator 8 are connected to the outputs of the unit 5 and the means 9 for measuring the speed and position the main shaft of the machine I. One of the inputs of the speed controller 10 is connected to the output of the comparator 8, and the output of the controller 10 is connected to the control input of amplifier II, which is electrically powered by generator 6 and the output connected to the input of electromagnetic clutch 7, ki nematically connected to the electromagnetic braking clutch 12 of the drive 3. The braking clutch 12 through the control unit 13 (amplifier)
    four
    CO 00
    from h

    cm
    3lA
    connected to the output of the regulator 10 ". Exit the block 5 11 means 9 for measuring the SPEED and the position of the main shaft, - .1.1p; they are connected to the corre- sponding - ioiii; 5t; Section 1 of the Gjioica 14, the KOTOpoio outputs are connected to the inputs of machine 1 and controller 10, respectively
     3: - gda1N1 mode of operation of the machine (Fig.2) is made in the form of a casing consisting of ai) - (1 of Bepxiiefi 15 and the lower 16 parts. The control pedal 17 with the help of tipper 18 and hinge 19 kinematically, 1 with core 20 , noJHiein biM from ferromagnetic material and usganopplem in the cavity of the body In the upper part of the body, the support is 2 times 1 times the primary 22 and the second, 23 degrees, there are ring-shaped diameters in the middle part of the body, covering the core ( rod) 20 and holding from i iiiiiTpajibHOM position- in the upper h ;; hti of the body there is a spring jO. and II lower - . Ružiná 31. Pruzhish: lC, do1 nadezhnog of the core 20 returning to its original (aey- T15al1, ue) To limit position inflection etssnpl serdechshka 20 serve pe3i; iui i:. P guides 32 and 33.
    (, 1.. Y for changing speed); ., (j :, the main shaft of the machine (fi1 / 3 1 .I1: .1lpeno contactless inductance ;; and consists of a body, in a klorum; ..; cH made yn of nemp1 1: t; 1 (n d; ageral shaft 3a with an established paired multi-floor (c-2 nolich iOF ferrite radially HaMannrif pi;) to a permanent magnet (rotor) 33. The connection of the shaft 3A with the rotor 35 is carried out by means of isolators - unoHHofi sleeves 36 "Magnetic core 37 is installed on support 38 and covered by winding 39: Support 33 is placed on the wall 40 of the housing
    Ii; ; y - 4 is installed; col- HBBOJi pos I oinnibn i magnet 41 of face magnets (ich.lpi, two ferromagnetic and two ferromagnetic, and 1) 1 pp. 42 and 43, Pa support 38; iiriri,; i, e :: i: i datchpkp 44 Hall with BCTpoeniib ;: - ;; amplifiers (not shown), T) ob-, (r-1 case, the number of lugs 42 and 43 is determined by the number of controllers; the positions of the main shaft of the main, Mehsdu pins are 42 and 43; Rodkp 43 II 46 p rubber 1 line 47.
    Shaft 34 is mounted in bearings .L, t;:;;.; Iv. in wall 40, from to 97
    iiptvuixp. -nurrayjn.ifbix washers 49 p bO.
    Generator L of rectangular pulse SOC of nanogramming (Fig „4) consists of a phase synchronizer, made on the integrated circuit 31 of resistor 52, voltage dividers made on resistors 53 - 60, capacitors
    61 - 63, a differentiation unit implemented on resistor 64 and capacitor 65, diodes 66 and 67, and transistors 68 - 71 o
    The output of the voltage divider performed on the resistors 53 and 54 is connected to the corresponding inputs of the circuit 51, the other inputs of which are connected to ground, to the output of the resistor 52, the input connected to the ground,
    are bridged by a capacitor 61. The output of the integrated circuit 54 through the capacitor 62 and the voltage divider (resistors 55 and 56) are connected to the bases. trapsistors 68, 69, whose collectors, respectively, through voltage dividers (resistors 57 and 58 and resistors 59 and 60) are connected to the terminals of the voltage source (+ 15V, -15V). Odpa capacitor plate 61 is connected to the negative (-15V) terminal of the voltage source, and the other is connected to the input of the differentiation unit (resistor 64 and capacitor 65). The outputs of the voltage dividers (resistors 57 and 58 and resistors 59 and 60) are connected to the bases of transistors 70 and 71, respectively, having combined collectors grounded through a capacitor 63. The collector of transistor 70 is connected through its anode 67 to its emitter and positive source terminal tension The collector of the transistor 71 through the cathode of the diode 66 is connected to its,
    the emitter and the negative terminal 1 of the stochpik voltage. The covers of the condenser 63 are connected to the terminals of the primary winding of the unit 5 for the operation of the cutting machine-ia.
    Logical block consists of you
    A n p 1tel implemented on diodes 72 - 75, diodes 76 - 79, voltage dividers made on VO - 85 resistors, resistors 86 - 90, zener diodes 91 - 94, potentiometer 95, capacitors 96 - 99 and trapsistors 100 - 104.
    The input is strapped by a capacitor 96 shunted and connected to the secondary
    winding the unit 5 for the pe / Kiwa machine to operate, and the output of the output pin through the filter capacitor 97 and the zener diode 91 is connected to the base of the transistor 100 and through the switch ;: 86 is connected to the anode of the diode 79. The collector of the transistor 100 is connected to positive to the source terminal of the key, the emitter is connected via a resistor 87 to a negative voltage terminal, through a series-connected zener diode 92 c diode 76 - to the base of transistor 101, through a diode 72 to the base of transistor 102 and through a series-connected diode 78 and zener diode 93 - from base of transistor 103, call Ktorov through which del11- Tel voltage (8h and resistors 85) is connected to the negative-klomg br rgapr source voltage, emitter - to a positive source terminal and the base lun .nniiH through the third resistor 88 is grounded. The emitter of transistor 10 is connected via resistor 89 to the ps positive terminal of the voltage source, and the power cord is grounded through a parallel-connected voltage divider (resistors 80 and 81), capacitor 98 and zener diode 9A connected in series with potentiometer 95, Emmitter transistor 102 c voltage is connected to the positive terminal, the collector is connected to the base through a capacitor 99, is grounded through a spring stator 90, and is connected via a voltage divider (resistors 82 and 83) to the output terminal of the power supply same NII (.ch; zistors 80 and 81) is connected to the base of the transistor, the emitter of which is grounded.
    Regulator 10 speed contains; T operap, io1P1e amplifier; 105 and 106, the divisor of the voltage, Grepsps Yu; i 107 and 108), rectifier 109, i oro-horny shunting of condeps-; oi; u.- 110, potentiometer 111, diodes 1-12-115, transistors 116-118, ko; the detector 119 and the resistors 120-129.
    The entrance is 110 cn ;; ) aii with output winding 39 cf /, 1: two d, l 12 -measurement and riojio; i; cii :; t the main shaft of the machine, a; zykod scoop resistor 120 is connected to the inverter;); - the input of the operational amplifier 106,) it is the inverting input of which; zzenpen. and the output is via sequentially switched on potentiometers 111 and gf: n1; torus
    0
    five
    five
    0
    five
    I. 1 pazemlei. the midpoint of the potentiometer 111 through the resistor 122 and the diode 112 connected in pairs in parallel, the resistor 122 and the capacitor 119 are connected to the inverting input of the operational amplifier 106 connected to the resistors 12A and 125 connected in parallel.
    the potentiometer 95 of the logic unit is connected to the resistor 124, the output of the operational amplifier 106 through the diode 113 and the midpoint of the divider (resistors 107 and 108) of the voltage are connected to the inverting input of the op amp 105 connected to the output of the generator differentiation generator D :, and the output through the resistor 126 and ;;, | (od 114 - with the collector of transistor 116 and baso transistor 117.
    The base of the software transistor through a resistor 127 is connected to the positive terminal of the voltage source, and the number jb. ri Ljp via RSL; s: torus 128 is grounded. The PP ter of transistor 117 through the resistor 129 is grounded and connected to the base of the 301 transistor 118, the emitter of which is grounded. The collectors of transistors i17 and 118 are combined and connected to the electromagnetic coupling 7 of the coupling and to the anode of the diode 115, the cathode of which is connected to the positive terminal of the source.
    1 h control electromag / pc m.uf pl 12 braking 1 and consists of transistors 130 - 133, trigger 134, test meter 135, memory element 136, ;; cr-o1 com, IE-I 137-139, for the shaft stop sensor 140 at a predetermined position, a voltage across a voltage (resistors J41 and 142). resistors 143 - 148, bottom. doi 149 - 152.
    Hall sensor sensors means 9 dp: 1 and speed and G 1 position: 1m :-) of the shaft of the machine are connected to the inputs of memory element 136 of memory and element NOT-137, another;:; one connected to the output the il Mi-il il-n-138. The output L of the memory element 136 is connected to the corresponding inputs of the IE-I element 138 and to the input of the setter 140 The output of the non-AND element 137 is connected to the input of the memory element 136, the output of which is connected to the input of the element NOT-AND 139, another input, ppd.,; 1К1ч) 1пого to the collector transis-Tc; jia 133, e, the center of the connector is grounded, the base through the resistor} 143 and the diode 148
    associated with the output of the operational amplifier 106 of the speed controller and with the anode D1u, and a 150, the cathode of which is connected to the base of the transistor 130, the emitter of which is connected to the base of the transistor 131 via the emitter 144. The base and emitter of transistor 130, respectively, through resistors 145 and 146 are grounded, and the collectors of transistors 130 and 131 are combined, connected to the input of the braking electromagnetic clutch 12 and through series-connected resistor
    147 and diode 151 are connected to the positive terminal of the voltage source. The output of the non-AND element 139 is connected to the R input of the trigger 134, the 5th input of which is connected to the collector of the transistor 104 of the logic unit, and the output Q through the diode 132 is connected to a voltage divider (resistors 141, 142) whose output is connected to the base of the transistor 132, the emitter connected to the positeltelnoy terminal of the voltage source, and the collector through a resistor
    148 connected to the input of a grounded potentiometer 135, the midpoint of which is connected to the speed controller resistor 125.
    The drive control unit 153 of the tab contains the elements NE-154-156, diodes 157, 158, resistor 159, transistors 11 usi: 1 driver implemented on transistors 160 and 161.
    The output of the divider (resistors 82 and 83 of the voltage of the trunnion unit through the non-AND element 154 is connected to the cathode of the diode 79 of the logic unit and to the input of the non-electronic element 155, the other input of which is connected to the output of the braking electromagnetic clutch control unit, thr. This input through diode 157 is connected to the anode of Spock's diode 152 controlling the electromagnetic braking clutch, and the output through NOT-I element 156 is connected to the input of the transistor amplifier, the output output of the foot 153 to the input of the drive diode 158, and the cathode connected with at lozhitelnoG terminal source voltage "
    The scissor drive control unit and the thread loosening mechanism consist of flip-flops 162 - 164, transistors 165, 166, transistor amplifiers, made respectively
    transistors 167-170, elements NOT-171-175, resistors 176-180, capacitor 181, and diodes 182,184.
    0
    five
    0
    five
    50
    0
    five
    0
    The output A and the input A of the element 136 of the US of the control unit of the electromagnetic braking clutch 12 are connected to the collector of the NTs 165 and the input of the element NAND 171, respectively. The input of the non-AND element 137 of the control unit of the electromagnetic braking clutch is connected to the S-input of the trigger 163, the R-input connected to the output of the non-AND element 172, the first input of which is connected to the output of the element NE-I 171, the second input is connected to the number - the lecturer of the transistor 133 of the control unit of the electromagnetic braking clutch, and the third input is connected to the output Q of the flip-flop 162 and - via a resistor 176 - to the base of the transistor 165, the emitter of which is grounded. The outputs of the flip-flops 162 and 164 are connected respectively to the first and second inputs of the NOT-AND element 173 and through the I-NE element 175 are connected to the cathode of the diode 157 drive control unit diode, the third input of the NOT-AND element 173 and the T input of the trigger 164 are connected to the output Q flip-flop 163, and the output of the element NOT-AND 173 through the element NOT-AND 174 and the resistor 177 is connected to the input of a transistor amplifier (169 and 170), the output connected to the input of the drive 185 of the thread-loosening mechanism and the anode of the safety diode 182o Transistor 166 collector connected to the collector of the transistor 101 logical block, the emitter of transistor 166 is grounded, and the base is through resistors 178 and 179 and capacitor 181 is connected to the input of the traction amplifier, (167 and 168), the output connected to the input of the scissors drive 186 and the anode of the safety diode 183 o The input of the transistor amplifier (167 and 168) are grounded through a resistor 180 and a diode 184. S-BXOs of triggers 162 and 164 are combined and connected to the collector of transistor 104 of the logic unit, and the T-input of trigger 162 is connected to the output of a voltage divider (resistors 84 and 85) a logic unit, with the cathodes of safety diodes 182 and 183 along connected to the positive terminal of the voltage source
    at
    ten
    The electronic unit is operated by the drive as follows.
    The integrated circuit 51 together with the resistors 52-5, as well as the capacitor 61 generates voltage pulses at its output, which, having passed through the capacitor 62 and the voltage divider (resistors 55 and 56), go to the bases of transistors 68 and 69, the output circuits of the transistors 70 and 71 generate right angle coal voltage pulses arriving at the primary coil 22 of the unit 5 setting the operation mode of the machine about
    At the output of the integrated circuit 51, using a capacitor 65 and a resistor 64, a sawtooth reference voltage is generated, arriving at the non-inverting input of the operating force 20 of the body 105 of the speed regulator 10
    When the pedal 17 is moved forward, bpok 5 sets the mode of operation of the machine at its output (output of the coil 23)
    that 7 clutch regulating the speed of the main shaft of the machine,
    For stable operation of the speed regulator 10, the operational amplifier 106 is covered by negative feedback made on resistors 121, 123 and 122, capacitor 119 and potentiometer I11. "Potentiometer I11 serves to change the depth of negative feedback (to change the gain of the operational amplifier 106) .
    The output voltage of the means for measuring the speed is rectified by the rectifier 109, filtered by the capacitor 110 and fed through the resistor 120 to the inverting input of the operational amplifier 106,
    The output signal of the operative amplifier 106 through the diode 150 and the resistor 144 acts on the input of the transistor - pogo amplifier, peajni3OBaiiHoro on transistors 130 and 131, which is up15
    produces a signal whose magnitude is controlled by an electromagnetic clutch 12
    It determines the magnitude of the displacement-deceleration,
    of the core 20. This signal, the pro-stop of the drive 3 in one of the rectifier's backbone (diodes 72-75), copied data of the positions is carried out with the sensors 96 and 97, the zener diodes 91, 92 my (setpoint switch (switch) 140 axis 94 , resistors 87, 89, 80 IT 81, trans-30tanov shaft in a predetermined position. 0. 10
    20
    49839710
    that 7 clutch regulating the speed of the main shaft of the machine,
    For stable operation of the speed regulator 10, the operational amplifier 106 is covered by negative feedback made on resistors 121, 123 and 122, capacitor 119 and potentiometer I11. "Potentiometer I11 serves to change the depth of negative feedback (to change the gain of the operational amplifier 106) .
    The output voltage of the means for measuring the speed is rectified by the rectifier 109, filtered by the capacitor 110 and fed through the resistor 120 to the inverting input of the operational amplifier 106,
    The output signal of the operative amplifier 106 through the diode 150 and the resistor 144 acts on the input of the transistor - pogo amplifier, peajni3OBaiiHoro on transistors 130 and 131, which is up15
    resistors 100, 101 and diode 76, is converted into a constantly increasing voltage supplied to the inverter input of an op-amp amplifier 106 The magnitude of this voltage can be adjusted using the sweat of a 95 o
    When the pedal 17 is mixed back, the sigal from the output of the block 5 through the transistor 100, the diode 77, the transistor 102, the capacitor 99 and the resistors 90, 82 and 83 is converted into a control voltage used for; drive control 153 laic; The signal from the output of the transistor 101-, passed through the diode 79, the zener diode 93, the transistor 103 and the resistors 88, 84 and 85, is used to control and in each 185 the attenuation of the filament.
    The output signal of the operational WSI-JQ is at the creeping speed of the main
    The unit 106 passes through the diode 113, the resistors 107 and 108 l are postgupted to the inverting input of the sampling amplifier 105. The output signal of the operational amplifier 105 passes through the D-55 resistor 126, dmod 114 and enters the input of the transistor O amplify, t; l. implemented on the transhistor 117 and 118 and the control electromagnetic muphal.
    The signal for controlling the leg drive 15 (its rise) is provided by a 17 ° foot. The voltage from the output of the operation mode unit 5. through the zener diode 91, the transistor 100, the resistor 87 and the diode 77 goes to the base of the transistor 102 The output signal from the output of the transistor 102, taken from
    shaft in the desired position is made at creeping speed using transistor 104, trigger 134 (trigger setting 134 in the initial position is performed using transistor 187) and a signal from the output of means 9 for measuring sk; speed and position of the main shaft output signal from the outputs of the Hall sensors).
    The reference value of the signal for providing a creeping speed is provided by a potentiometer 135. The output voltage value from the output of potentiometer 135 (with an open transistor 132) passes through a resistor 25 and is fed to the input of an operational amplifier 106, the output of which is fed to the clutch 12 and secured.
    The signal for controlling the pad drive 153 (its lift) is provided by the pedal 17o. The voltage from the output of the operation mode unit 5. through the zener diode 91, the transistor 100, the resistor 87 and the diode 77 goes to the base of the transistor 102 The output signal from the output of the transistor 102, taken from
    the midpoint between the resistors 82 and 83, passes through the elements NE-I 154 - 136, the resistor 159 and affects the transistor amplifier (tra Eistor 160 and 161) of the drive 153 of the foot.
    To prevent the claws from lifting when the main shaft is moving or when there is a signal on the scissor drive, a locking chain is used, which includes a trigger 134 and a NOT- AND 175 element.
    The signal from the output of the unit 5 setting the operation mode is controlled by a scissors drive 186.
    The signal from the output of block 5 passes through the Zener diode 91, the transistor 100, the resistor 87, the diode 78, the Zener diode 93 and goes to the base of the transistor 103 "The output signal from the transistor 103 affects the trigger 162" The output signal of the trigger 162 through the element HE-172, the trigger 163 , the element is NOT-AND 173, the element is NOT-AND 174 and the resistor 179 acts on a transistor amplifier, made on transistors 167 and 168, which controls the drive 186 of scissors.
    The signal for stopping the operation of the scissors with water is generated by the Hall sensor using the flip-flops 163 and 164 and the NAND element 173 after forming the signal (the output of the transistor 165) to stop the main shaft at the position corresponding to the upper needle position.
    权利要求:
    Claims (5)
    [1]
    1. The electronic drive control unit of sewing and overlock machines containing an asynchronous electric motor, the shaft of which is electromagnetically coupled and braked is kinematically connected with the main shaft of the machine, a means for measuring the speed and position of the main shaft of the machine, a task setting unit for the operation mode of the machine, including a control pedal, as well as a generator of rectangular voltage pulses, a speed controller, a logic unit, and control units for the electromagnetic braking clutch and actuators of the foot, scissors, and mechanism weakening of the thread, characterized in that, in order to increase reliability in operation, the unit for setting the operating mode of the machine B1) is complete in a stationary fixed and two-part body, in the cavity of which a spring-loaded and made of ferromagnetic material core is placed; rubber travel stops, each of which is installed in one of the parts of the body, the upper part of the core is enveloped by successively located singing and secondary coils, the middle part of the core is provided with safety ring-shaped washers, the lower part of the core is connected to the control pedal by means of a sleeve and a cable, the primary coil is connected to the first output of a generator of rectangular voltage pulses, the secondary coil is connected to the input of a logic unit, and the measuring device for measuring the speed and position the main shaft of the machine is made of contactless inductive and consists of a body in which is placed a shaft made of non-magnetic material with a multipole ferrite evenly magnetized constant mounted on it In the area of the motion path of which a permanently installed magnetic core with an output winding and an annular permanent magnet with two ferromagnetic tips, in the area of the motion path of which permanently placed Hall sensors with built-in amplifiers are connected to the corresponding inputs of the control unit by an electromagnetic coupling. deceleration, with the output winding of the magnetic core connected to the first input of the speed controller, the second input connected to the second generator output n third voltage pulse with a corresponding logic block output, the first 1 output — with the electromagnetic clutch input, and the second output — with the corresponding input of the electromagnetic braking clutch control unit, while the inputs of the scissor-foot drive control blocks and the thread loosening mechanism are connected with the corresponding outputs of the logic unit.
    [2]
    2. The unit is characterized by the fact that the generator of rectangular voltage pulses consists of a phase synchronizer, voltage dividers, capacitors, differentiation unit, resistor, transistors and diodes, while the output of the first voltage divider is connected to the first and second inputs of the phase synchronizer, the third input of which. grounded, the fourth input is grounded through the first resistor, and the fifth and sixth ones are shunted by the first capacitor, one plate of which is connected to the negative terminal of the voltage source, and the other is connected to the input of the differentiation unit, and the output of the phase synchronizer is terminals are connected to the bases of the first and second transistors, the collectors of which, respectively, through the third and fourth voltage dividers are connected to the corresponding terminals of the voltage source, and the emitters about the third and fourth voltage dividers are connected respectively to the bases of the third and fourth transistors having combined collectors grounded through the third capacitor, the collector of the third transistor through the anode of the first diode is connected to its emitter and the positive terminal of the voltage source and the collector of the fourth transistor
    the cathode of the second diode is connected to its own
    They are emitter and negatively connected to the voltage source, while the plates of the third capacitor are connected to the primary windings of the task setting unit.
    [3]
    3 "The unit according to claim 1, wherein the logic unit consists of a rectifier, diodes, voltage dividers, resistors, zener diodes, a potentiometer, capacitors and transistors, while the rectifier input is shunted by the first capacitor and connected to the secondary winding of the unit sets the operating mode of the machine, and the output of the rectifier through the filter capacitor and the first Zener diode is connected to the base of the first transistor and through the first resistor is connected to the anode of the first diode, the collector of the first transistor is connected to the positive terminal of the chnika voltage via a second emitter resistor coupled to the negative terminal of voltage source through sing 5 0 5 0
    five
    0
    five " ,
    therefore, the second Zener diode and the second diode are connected with the base of the second transistor, through the third diode with the base of the third transistor and through the series-connected fourth diode and the third zener diode with the base of the fourth transistor, the collector of which is connected to the negative voltage source terminal through the first voltage divider , the emitter is connected to the positive terminal of the voltage source, and the base is grounded through the third resistor, and the emitter of the second transistor is connected to the positive terminal through the fourth resistor The voltage source is connected, and the collector is grounded through a parallel second voltage divider, a second capacitor and a fourth zener diode connected in series with a potential meter, the third transistor emitter is connected to the positive terminal of the voltage source, the collector is connected to the base, through the loop resistor is grounded, and through the third voltage divider is connected to the negative terminal of the voltage source, while the output of the second divider, l voltage connects to the base of the fifth transistor, em which grounded tter.
    [4]
    4 "Unit 1 each, so that the speed controller contains operational amplifiers, voltage dividers, rectifier, potentiometer, diodes, transistors, co-capacitor and resistors, The rectifier input is connected to the output winding of the means for measuring the speed and position of the main shaft of the machine, and the output through the first resistor is connected to the inverting input of the first operational amplifier, the non-inverting input of which is grounded, and the output through a series-connected potentiometer and the second resistor is grounded, medium the potentiometer point through a third resistor and a first diode and a fourth resistor and a capacitor connected in pairs in parallel to the inverting input of the first operational amplifier connected to the fifth and sixth resistors in parallel, the middle point of the potentiometer of the logic unit connected to the fifth resistor, the output of the first operation1 5
    the amplifier through the second diode and the middle point is delicately connected1 to the inverting input of the second operational amplifier, to the non-inverter -1pi1m connected to the output of the differentiation unit of the square voltage pulse generator, and to the output through the seventh resistor and the third diode to the collector the first transistor and the base of the second transistor, the base of the first transistor through the eighth resistor connected to the positive terminal of the voltage source, and the collector through the ninth resistor is grounded, the emitter in of the transistor through the dec - Tbrii resistor is grounded and connected to the 3Oii Tpe vboro transistor, the emitter of which is: kpemlen, and the collectors of the second and third transistors of the volume (11m I connected to the electromagnetics coupling 1g | sp.opleni and the fourth anode , and, the cathode of which is g to be connected to the positive terminal of the voltage source:
    [5]
    5. The unit according to claim 1, that is, and that the electromagnetic braking clutch control unit consists of transistors, a trigger, a potentiometer, a memory element, non-AND elements, a shaft stop setting device position, voltage divider, resistors, diodes and a capacitor, while the outputs of the Hall sensors of the means for measuring the speed and position of the main shaft of the machine are associated respectively with the first inputs of the memory element and the first element NOT-AND, the second input of the second element connected to the output NON, the first exit item the memory is connected to the corresponding inputs of the second element NOT-I and to the input of the shaft stop stop sensor B in a predetermined position, the output of the first element IE-I is connected to the second input of the memory element, the second output of which is connected to the first input of the third evil ;; 1s; This is NOT-AND, the second input of the first transistor connected to the collector, whose emitter is grounded, the base through the first resistor and the first diode is connected to the output of the first operational amplifier of the speed regulator and the anode of the second diode, the cathode of the second transistor emitter connected
    983971b
    to the base of the third transistor, whose 3NnTTep is grounded, the base and the emitter of the second transistor, respectively, through the third and fourth resistors are grounded, and the collectors of the second and third transistors are combined, connected to the input of the electromagnetic braking clutch and sequentially
    10, a connected fifth resistor and a third diode are connected to the positive 11 terminal of the voltage source, and the output of the third element is NOT AND connected to the R input of the trigger, the S input of which
    15 is connected to the collector of the pth transistor of the logic unit, and the output Q through a quarter-diode is connected to the voltage divider, the output of which is connected to the base of the fourth transistor
    20 pa, the emitter connected to the positive terminal of the voltage source, and the collector through the sixth resistor to the input of a grounded potentiometer, the midpoint of which is connected to the sixth resistor of the speed regulator,
    6 o The POP.1 block, which differs from the fact that the foot drive control block contains NE-I elements, diodes, a resistor and a transistor amplifier, while the output of the third voltage divider of the logic block through the first PE element And it is connected to the cathode of the first diode 35 logic unit and to the first input of the second element NOT-AND, the second input of which is connected with the output of the trigger of the control unit of the electroapplicator-Hoii braking coupling, the third input
    40 through the diode is connected to the anode of the fourth diode of the control unit of the electromagnetic braking clutch, and the output through the third element is NOT-AND and the resistor is connected to the input of the amplifier 45, the output connected to the input of the foot drive and the anode of the safety diode, the cathode connected to the positive terminal and 1 very well
    5Q 7 Block of Po1, which is equivalent to the fact that the shear drive control unit and the thread loosening mechanism consists of triggers, transistors, transistor amplifiers,
    55 elements of NOT-AND resistors, copdasor torus and diodes, with the first output and the second input of the memory element of the control unit of the electromagnetic braking clutch connected respectively to the collector of the first transistor and to the input of the first element NE-AND, the first input of the first element NOT-AND The control unit of the electromagnetic braking clutch is connected to the S-input of the first trigger, the R-input connected to the output of the second element NOT-AND, the first input of which is connected to the output of the first element NOT-AND, the second input is connected to the collector of the first transistor The control unit of the electromagnetic braking coupling, and the third input is connected to the output Q of the second trigger and through the first resistor to the base of the first transistor whose emitter is grounded, the outputs of the second and third triggers are connected respectively to the first and second inputs of the third element NOT-AND, and through the fourth element is NOT-AND connected to the cathode of the diode drive control unit of the foot, the third input of the third element is NOT-AND and the T-input of the third trigger is connected to the Q-output of the first trigger, and the output of the third element is NOT-AND through the fifth element NOT-and the second resistor
    Fig. | 0
    15
    0
    five
    connected to the input of the first transistor amplifier, output connected to the drive input of the thread loosening mechanism and the anode of the first safety diode, the collector of the second transistor is connected to the collector of the second transistor of the logic unit, the emitter of the second transistor is grounded, and the base is connected to the input of the second transistor amplifier, the output of the lower with the input of the scissors drive and the anode of the second safety diode, and the input of the second transistor amplifier ground through the fifth resistor and diode, the S-inputs of the second and third flip-flops are combined and connected to the collector of the fifth transistor of the logic unit, and the T-input of the second flip-flop is connected to the output of the first voltage divider of the logic unit, while the cathodes of the first and second safety The diodes are connected to the positive terminal of the voltage source.
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    同族专利:
    公开号 | 公开日
    WO1984002933A1|1984-08-02|
    RO82939B1|1985-09-30|
    HU201363B|1990-10-28|
    HUT35014A|1985-05-28|
    RO82939A2|1985-10-31|
    US4658742A|1987-04-21|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3268047A|1964-07-22|1966-08-23|Eaton Yale & Towne|Positioning control|
    CA941044A|1968-06-04|1974-01-29|Matsushita Electric Industrial Co., Ltd.|Device for stopping a rotating member at a predetermined angular position|
    DE1925301C3|1969-05-17|1976-01-02|Frankl & Kirchner, Fabrik Fuer Elektromotoren U. Elektrische Apparate, 6830 Schwetzingen|Sewing machine with thread cutter|
    DE2054501B1|1970-11-05|1971-12-30|Quick Rotan Becker & Notz Kg|Method and device for stopping a working shaft in a predetermined angular position|
    US3738297A|1971-06-21|1973-06-12|Elettromeccania Sas Mazzini Mo|Electronic control arrangement for the needle and threadcutter in an industrial sewing machine|
    JPS4996222A|1973-01-22|1974-09-12|
    DE2325969A1|1973-05-22|1974-12-12|Quick Rotan Becker & Notz Kg|SPEED-REGULATED POSITIONING DRIVE WITH CONTROL|
    US3972297A|1974-01-30|1976-08-03|Union Special Corporation|Sewing machine position and speed sensing system|
    JPS50146451A|1974-05-15|1975-11-25|
    JPS5943193B2|1975-09-23|1984-10-20|Hitachi Ltd|
    DE2657658A1|1976-12-20|1978-06-22|Quick Rotan Becker & Notz Kg|POSITIONING DRIVE|
    JPS5797118A|1980-12-09|1982-06-16|Matsushita Electric Ind Co Ltd|Speed setter of sewing machine|IT1186398B|1985-11-26|1987-11-26|Elemac Spa|SPEED, POSITION AND SPECIFIC FUNCTION CONTROL EQUIPMENT FOR INDUSTRIAL SEWING MACHINES, RELATED IN DIGITAL TECHNIQUE WITH INDUCTANCE VARIATION "INPUT"|
    IT1202320B|1985-12-18|1989-02-02|Necchi Spa|SEWING MACHINE WITH NEEDLE DRIVE MOTOR CONTROL DEVICE|
    IT1191519B|1986-06-13|1988-03-23|Necchi Spa|SEWING MACHINE EQUIPPED WITH ELECTRONIC NEEDLE MOTOR CONTROL DEVICE|
    US4957053A|1988-08-12|1990-09-18|Liu Hsiao C|Linking mechanism for sewing machine|
    US8604709B2|2007-07-31|2013-12-10|Lsi Industries, Inc.|Methods and systems for controlling electrical power to DC loads|
    US7598683B1|2007-07-31|2009-10-06|Lsi Industries, Inc.|Control of light intensity using pulses of a fixed duration and frequency|
    US8903577B2|2009-10-30|2014-12-02|Lsi Industries, Inc.|Traction system for electrically powered vehicles|
    US9389283B2|2013-07-26|2016-07-12|Sensata Technologies, Inc.|System and method for converting output of sensors to absolute angular position of a rotating member|
    US9803997B2|2013-07-26|2017-10-31|Bei Sensors & Systems Company, Inc.|System and method for determining absolute angular position of a rotating member|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    RO83109813A|RO82939A2|1983-01-24|1983-01-24|ELECTRONIC CONTROL INSTALLATION OF CONTROL SYSTEMS FOR ACTUATION SYSTEMS WITH ELECTROMAGNETIC COUPLINGS FOR SEWING AND / OR FASTENING MACHINES|
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