CN103469395B - The yarn detection system of spinning machine - Google Patents
The yarn detection system of spinning machine Download PDFInfo
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- CN103469395B CN103469395B CN201310312855.3A CN201310312855A CN103469395B CN 103469395 B CN103469395 B CN 103469395B CN 201310312855 A CN201310312855 A CN 201310312855A CN 103469395 B CN103469395 B CN 103469395B
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- Prior art keywords
- electric power
- yarn
- ring rail
- coil
- yarn detection
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H13/1616—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material characterised by the detector
- D01H13/1633—Electronic actuators
Abstract
Spinning machine has multiple ring rail.The non-contact electric power conveyer that a kind of yarn detection system of spinning machine comprises the yarn detecting unit be arranged in ring rail, main control unit and is arranged in each ring rail.Yarn detecting unit comprises Yarn detection device and judgment means, and Yarn detection device has the sensor arranged for each spindle, and judgment means judges the state of yarn according to the signal generated by Yarn detection device.Signal is sent to main control unit by judgment means by radio communication.Non-contact electric power is transmitted between any two adjacent ring rails and carries out.Electric power is supplied to yarn detecting unit by non-contact electric power conveyer.
Description
Technical field
The present invention relates to a kind of yarn detection system of spinning machine, particularly a kind of yarn detection system in the spinning machine such as ring spinner or ring doubling frame with rings with the Yarn detection device of detection yarn conditions (such as yarn breakage or loose twist).
Background technology
In general, the yarn detection system of the above-mentioned type is provided with Yarn detection device for each spindle of spinning machine.In the ring spinner with hundreds of spindles and main control unit, the signal that this main control unit process is generated by all Yarn detection devices of spinning machine, the cable in ring spinner and the quantity of circuit become very large.Japanese Patent Application Publication document 2010-111982 discloses the yarn detection system in a kind of ring spinner, and wherein each ring rail (or ringrail) is provided with the control circuit board with signal cable and the CPU processing the signal generated by sensor.Main control unit is sent to by control circuit board and signal cable by the signal after CPU process.For the ease of assembling, ring spinner has multiple ring rail, and each ring rail is provided with the control circuit board of a part for 24 spindles and formation yarn detection system.Ring rail can being removed from spinning machine, for safeguarding ring spinner or changing spinning conditions, the control circuit board of any two adjacent ring rails being interconnected by the cable with connector, for easily cable and ring rail being disconnected.
The Japanese Translation of Japanese Patent Application Publication document 2009-531553 discloses a kind of spinning machine comprising at least one sensor and an actuator, wherein sensor detects the duty of spinning machine, and the signal characterizing this duty is sent to actuator by radio communication, thus start actuator to take action.
According in the yarn detection system of Japanese Patent Application Publication document 2010-111982, when removing ring rail in order to maintenance purpose from ring spinner, need to remove the cable be connected between any two adjacent control circuit boards.Remove all these cables and be trouble and consuming time.And then, connect repeatedly and disconnect the connector that cable might damage or damage cable.
The yarn detection system of the Japanese Translation of Japanese Patent Application Publication document 2009-531553 discloses the radio communication between sensor and actuator.But the disclosure document does not consider how to supply power to sensor and controller thereof.
Summary of the invention
The present invention completes in view of the above problems, aims to provide a kind of yarn detection system of spinning machine, and making does not need when removing ring rail to remove the signal cable between yarn detecting unit and power carrying cables.
Spinning machine has multiple ring rail.The non-contact electric power conveyer that a kind of yarn detection system of spinning machine comprises the yarn detecting unit be arranged in ring rail, main control unit and is arranged in each ring rail.Yarn detecting unit comprises the judgment means of the Yarn detection device arranged for each spindle with sensor and the state judging yarn according to the signal generated by Yarn detection device.Signal is sent to main control unit by judgment means by radio communication.Non-contact electric power is transmitted between any two adjacent ring rails and carries out.Electric power is supplied to yarn detecting unit by non-contact electric power conveyer.
The description of principle of the present invention is described by way of example below in conjunction with accompanying drawing, and other aspects of the present invention and advantage will become obvious.
Accompanying drawing explanation
Be considered to novel feature of the present invention set forth in detail in the following claims.By together with accompanying drawing with reference to below the description of currently preferred embodiment, the present invention and object thereof and advantage can be understood best, in the accompanying drawings:
Figure 1A represents the diagrammatic top view according to the relation between the ring rail of the yarn detection system in the ring spinner of preferred embodiment and Yarn detection device;
Figure 1B be represent that any two the adjacent ring rails for Figure 1A are arranged yarn detecting unit between the schematic circuit diagram that transmits of electric power;
Fig. 2 is the schematic sectional view of the position relationship between the rings of the yarn detection system representing Figure 1A and Yarn detection device;
Fig. 3 is the schematic sectional view of the control circuit board represented on the supporting member of the Yarn detection device being fixed on Fig. 1;
Fig. 4 is the schematic diagram being supplied to the circuit on the ring rail being arranged on the one end being positioned at ring spinner of the embodiment of the electric component ring rail according to electric power from power supply;
Fig. 5 is the schematic diagram according to the circuit on the ring rail being arranged on the one end being positioned at ring spinner of alternate embodiment of the present invention, and wherein electric power is supplied to the power reception coil ring rail from power supply; With
Fig. 6 is the schematic circuit diagram represented according to the supply of electric power coil on the ring rail of one end of spinning machine of another alternate embodiment and the position relationship between power reception coil.
Detailed description of the invention
Below with reference to Fig. 1-Fig. 4, the yarn detection system according to the ring spinner of preferred embodiment is described.This ring spinner comprises the multiple ring rails 11 being set to two rows.In order to easy assembling, spinning machine is configured to each ring rail 11 and comprises 24 spindles.Such as, when ring spinner comprises 480 spindles, two row's ring rail 11 successive comprising 10 ring rails 11 are respectively arranged.When ring spinner comprises 960 spindles, be often provided with 20 ring rails 11 in row.
As shown in Figure 1A, each ring rail 11 has multiple rings 12, and multiple rings 12 is in line with being spaced of opening of predetermined space and being fixed on ring rail 11.As shown in Figure 2, rings 12 has rings flange 12A and is installed to the steel traveler 13 on rings flange 12A slidably.
For each ring rail 11, yarn detecting unit 16 is set.Yarn detecting unit 16 comprises the multiple Yarn detection devices 14 and CPU15 (shown in Fig. 3) that arrange for each spindle.Yarn detection device 14 has sensor 14A, and the yarn conditions for detecting each spindle place also generates the signal of the yarn conditions detected by characterizing.CPU15 judges the state of yarn according to the signal carrying out sensor 14A.Specifically, the signal generated by 24 sensor 14A of Yarn detection device 14 is by CPU15 process, and CPU15 judges the yarn conditions (or yarn breakage) at 24 spindle places.CPU15 is arranged on control circuit board 17, and control circuit board 17 is arranged on the front side of ring rail 11.It is noted that when observing in figure ia, the front side of ring rail 11 and rear side correspond respectively to downside and the upside of ring rail 11.CPU15 is used as judgment means of the present invention.As shown in Figures 2 and 3, ring rail 11 has antetheca 11A and the hole 11B through ring rail 11 formation.The antetheca 11A of ring rail 11 is fixed with supporting member 18, and supporting member 18 extends along the longitudinal direction of ring rail 11.Supporting member 18 is formed with a spatial accommodation 18A (as shown in Figure 3) wherein.In the present embodiment, control circuit board 17 is not directly be fixed on ring rail 11, but is bearing in its spatial accommodation 18A by supporting member 18.
Yarn detection device 14 generates detection signal without the need to just working from external reception electric power.As shown in Figure 2, Yarn detection device 14 comprises the sensor 14A detecting steel traveler 13 and the housing 19 be contained in by sensor 14A wherein.Housing 19 comprises the installing plate 19A fixed for sensor 14A and the lid 19B be fixed to for the protection of sensor 14A on installing plate 19A.Lid 19B is made up of nonmagnetic substance, such as stainless steel material or plastics.Yarn detection device 14 of the present invention has the structure similar to the Yarn detection device of Japanese Patent Application Publication document 2010-111982.Installing plate 19A is fixed on ring rail 11 by fixed component 20, and this fixed component 20 is inserted through the hole 11B formed through the ring rail 11 and hole 19C formed through installing plate 19A.Fixed component 20 is formed as the shape of bolt, and becomes to have axially extended hole through its mesorelief in the central authorities of this fixed component 20.Housing 19 is fixed on ring rail 11 by fixed component 20 and nut.
Although not shown in figures, sensor 14A comprises yoke, dish type permanent magnet and the pick-up loop that is wound in yoke be made up of magnetic material, and these are all by plastics forming.Flexible cable 21 is electrically connected to pick-up loop and extends from sensor 14A.As shown in Figure 3, flexible cable 21 has connector 21A in its one end.Steel traveler 13 is made up of magnetic material and can be moved on rings 12.By the magnetic circuit of ring rail 11, rings 12 and yoke by permanent magnet to produce and the magnetic flux flowing to S pole from the N pole of permanent magnet is formed.The electromagnetic induction that the motion utilizing steel traveler 13 to cross magnetic circuit produces, pick-up loop detects the motion of steel traveler 13.
Control circuit board 17 has printed circuit board (PCB) (not shown), is sent to CPU15 for the detection signal generated by the sensor 14A by Yarn detection device 14.As shown in Figure 3, printed circuit board (PCB) is electrically connected to flexible cable 22, and flexible cable 22 has the connector 22A that can be connected with connector 21A.Therefore, the signal of Yarn detection device 14 can be sent to CPU15.
The CPU15 of yarn detecting unit 16 is configured to be sent to main control unit 23 (as shown in Figure 1A) by by the signal after CPU15 process.Signal is undertaken from CPU15 to the transmission of main control unit 23 by radio communication.The main control unit 23 be included in yarn detection system controls the work of whole ring spinner.Specifically, main control unit 23 can according to predetermined spinning conditions work, control signal to be sent to each driver element of ring spinner, the data of the yarn conditions representing each spindle are received from the CPU15 of each yarn detecting unit 16, and control each driver element according to desired spinning conditions, to control the work of spinning machine.Communicating wireless signals can realize by adopting any known method, such as Bluetooth, ZigBee or WLAN (or WLAN).
As shown in Figure 1B, each ring rail 11 is provided with non-contact electric power conveyer 30, carries out electric power transmission by this power transmitting apparatus between any two adjacent ring rails 11.This non-contact electric power conveyer 30 is included in yarn detection system.Specifically, the non-contact electric power conveyer 30 in each ring rail 11 comprises power reception coil 31, is connected to the rectification circuit 32 of this power reception coil 31, is connected to the on-off circuit 33 of the outlet side of rectification circuit 32, is connected to the electric power of the outlet side of on-off circuit 33 transmission coil 34 and detects the current detection circuit 35 of the electric current flowing through electric power transmission coil 34.
Electric current is supplied to electric power by the on-off circuit 33 controlled by control integration circuit 36 and sends coil 34.In this embodiment, use single-phase DC/AC converter as on-off circuit 33.DC/DC converter 37 is provided with, for the output voltage of rectification circuit 32 being converted to the voltage that can be used by control integration circuit 36 between rectification circuit 32 and on-off circuit 33.Voltage after conversion is fed to control integration circuit 36.Such as, the output voltage of rectification circuit 32 is that about 40V is converted to about 4V by 40V, DC/DC converter 37.
Control integration circuit 36 sends the change of the electric current of coil 34 according to flowing through electric power, carry out the dutycycle of gauge tap circuit 33.Specifically, in the memory of control integration circuit 36, store mapping or the relational expression of the relation between the electric current characterizing and flow through electric power transmission coil 34 and the power consumption of power receiver side.The detection signal generated by current detection circuit 35 is sent to control integration circuit 36, the dutycycle of control integration circuit 36 correspondingly gauge tap circuit 33, so that electric current flows to electric power according to the power consumption of receiver side send coil 34.It is noted that in this embodiment, control integration circuit 36 also performs the function of CPU15.
Power reception coil 31 is arranged on the position adjacent with supply of electric power coil (not shown) with one end of ring rail 11 on ring rail 11, and electric power sends coil 34 is arranged on adjacent with the other end of ring rail 11 and away from the position of supply of electric power coil (not shown) on ring rail 11.In this embodiment, when observing in fig. ib, supply of electric power coil is arranged on the position adjacent with the left end of ring rail 11, so that power reception coil 31 is positioned at the left end of ring rail 11, and electric power sends the right-hand member that coil 34 is positioned at ring rail 11.
As shown in Figure 4, the direct current power with predetermined voltage to be supplied to the non-contact electric power conveyer 30 ring rail 11 by flexible cable 40 from power supply (not shown), ring rail 11 is positioned at one end of ring spinner.Flexible cable 40 does not need to receive excessive power and just can move up and down integratedly with ring rail 11.Flexible cable 40 has connector 41, and this connector 41 allows flexible cable 40 and ring rail 11 to disconnect.
The work of above-mentioned yarn detection system will be described below.Produced by the permanent magnet be embedded in sensor 14A and form the magnetic circuit by ring rail 11, rings 12 and yoke from the magnetic flux of the sensing S pole, N pole of permanent magnet.When ring spinner works, when cop (not shown) rotates along with the rotation of spindle (not shown), if do not have yarn breakage to occur, then steel traveler 13 continues to slidingly contact with the speed corresponding with the rotating speed of cop and rings flange 12A to move.When steel traveler 13 rotates a circle along rings flange 12A, steel traveler 13 just crosses magnetic circuit, strides across the opposite end of pick-up loop, with the rotational synchronization of steel traveler 13 produce pulse voltage.When there is yarn breakage, produce pulse voltage while the rotational synchronization of pick-up loop and steel traveler 13 can not be striden across.
CPU15 (or control integration circuit 36), from 24 sensor 14A Received signal strength continuously, if produce pulse voltage continuously, judges that spinning is normally carried out, is interrupted if pulse voltage produces, judge to there occurs yarn breakage.Based on the control signal carrying out automatic control device 23, the CPU15 arranged for each control circuit board 17 notifies to there is yarn breakage and have the spindle position (or numbering) of yarn breakage to main control unit 23.Main control unit 23 judges the yarn conditions at each spindle place according to the signal from CPU15.
With reference to figure 4, all total electricities needed for yarn detecting unit 16 are supplied to on-off circuit 33 from power supply with the form of direct current power, and do not flow through power reception coil 31 and rectification circuit 32.Based on the data of the mapping stored in memory and relational expression, the dutycycle of control integration circuit 36 gauge tap circuit 33, so that electric current flows to electric power according to the requirement of the power consumption of receiver side send coil 34.Control integration circuit 36, according to the signal generated by current detection circuit 35, judges to be sent to the magnitude of current that electric power sends coil 34.In response to the change of the magnitude of current, the dutycycle of control integration circuit 36 gauge tap circuit 33, so that electric current flows to electric power according to the requirement of the power consumption of receiver side send coil 34.
Power reception coil 31 is arranged in other ring rail 11 any different from the ring rail 11 being supplied direct current power by flexible cable 40, sending coil 34 from the electric power when observing along electric power direction of transfer first ring rail 11, receiving the electric power produced by electromagnetic induction.The electric power received by rectification circuit 32 rectification, and is fed to on-off circuit 33.Subsequently, the switching manipulation of control integration circuit 36 gauge tap circuit 33 under predetermined dutycycle, so that electric current flows to electric power according to the requirement of the power consumption of receiver side send coil 34, electric power is sent to electric power and sends coil 34 by result.
In order to safeguard ring spinner or when changing spinning conditions, sometimes ring rail 11 be removed from ring spinner.In this case, by the connector 41 of flexible cable 40 is disconnected with the connector 41 of ring rail 11 side, flexible cable 40 is removed from ring rail 11.Subsequently ring rail 11 is removed from ring spinner.Due to according in the yarn detection system in the ring spinner of the present embodiment, the cable not having signal cable and transmit for electric power between any two adjacent ring rails 11, so not need the signal cable between any two adjacent ring rails 11 as the situation of the yarn detection system of prior art and be used for the cable that electric power transmits and disconnect, just can easily ring rail 11 be removed from ring spinner.
Yarn detection system according to the ring spinner of this embodiment provides following advantageous effects.
(1) yarn detection system comprises multiple yarn detecting units 16 of each ring rail 11 for ring spinner.Each yarn detecting unit 16 comprises the multiple Yarn detection devices 14 and judgment means (or CPU15) that arrange for each spindle, and judgment means judges the yarn conditions of each spindle based on the signal that the sensor 14A by Yarn detection device 14 generates.Signal between CPU15 and main control unit 23 transports through radio communication to carry out.Each ring rail 11 is provided with non-contact electric power conveyer 30, and non-contact electric power conveyer 30 allows to carry out non-contact electric power transmission between any two adjacent ring rails 11.Electric power is fed to each yarn detecting unit 16 by non-contact electric power conveyer 30, makes to eliminate the cable for electric power transmission and signal cable.Therefore, when removing ring rail 11, the signal cable between not needing any two adjacent yarn detecting units 16 and be used for the work that cable that electric power transmits disconnects, and the work of stube cable is also there is no need for when assembling ring rail 11.
(2) electromagnetic induction that non-contact electric power conveyer 30 is sent between coil 34 and the power reception coil 31 being arranged on power receiver side by the electric power being arranged on electric power sending side transmits electric power.Compared with adopting any non-contact electric power transmission of optic communication or electrostatic induction, the non-contact electric power undertaken by electromagnetic induction transmits to be affected by cotton flyings hardly, is therefore adapted at using in ring spinner.
(3) electric power is fed to electric power by on-off circuit 33 and sends coil 34, and the dutycycle of this on-off circuit 33 is controlled by the change of control integration circuit 36 according to the magnitude of current flowing through electric power transmission coil 34.In this embodiment, the relation between the magnitude of current of electric power sending side and the power consumption of power receiver side is understood in advance.The dutycycle of on-off circuit 33 is changed according to the change of the magnitude of current of electric power sending side, and be constant by the Control of Voltage of power receiver side, thus the feedback circuit that can omit from power receiver side direction electric power sending side, result can simplify whole circuit and the installation region of parts can be made minimum.
(4) according to the Yarn detection device 14 in embodiments of the invention without the need to just can detection signal be generated from external reception electric power.Need the optical pickocff of electric power or the sensor that can be operated by electrostatic induction to detect yarn if adopted, although the power consumption for yarn detection at so each spindle place may be little, but due to a large amount of spindle of ring spinner, the electric power being sent transmission by non-contact electric power is increased, and the size of yarn detection system correspondingly increase.But the Yarn detection device 14 according to the yarn detection system of this embodiment just can send detection signal without the need to receiving electric power, make it possible to prevent the size of yarn detection system from increasing.
(5) ring rail 11 being positioned at one end of ring spinner neither has power reception coil 31 and does not also have rectification circuit 32, and is configured to direct current power and is fed to ring rail 11 from power supply by flexible cable 40.Flexible cable 40 does not need to receive any excessive power and just can move up and down integratedly with ring rail 11.Be provided with power reception coil 31, rectification circuit 32 and supplied from power supply compared with other ring rail 11 of the supply of electric power coil of alternating electromotive force, the structure of the above-mentioned ring rail 11 of the one end being positioned at ring spinner can be made to simplify.
(6) in the illustrated embodiment in which, use single-phase DC/AC converter as on-off circuit 33.According to the present invention, although three-phase DC/AC converter can be used as on-off circuit 33, in the size reducing non-contact electric power conveyer 30, single-phase DC/AC converter is favourable compared to three phase converer.
(7) the control integration circuit 36 forming a part for non-contact electric power conveyer 30 also performs the function of the CPU15 of the judgment means being used as yarn detecting unit 16, make and control integration circuit 36 is set respectively compares with the situation of CPU15, the structure of non-contact electric power conveyer 30 can be simplified.
(8) output voltage of rectification circuit 32 is configured to the voltage used higher than control integration circuit 36.Therefore, need to reduce by DC/DC converter 37 voltage that control integration circuit 36 uses, but easily supply power to the power reception coil 31 of the non-contact electric power conveyer 30 be arranged on adjacent ring rail 11.
The invention is not restricted to the embodiments described, but can change to multiple embodiment below as illustrational.
Replace direct current power, alternating electromotive force can be supplied to the non-contact electric power conveyer 30 in the ring rail 11 of the one end being arranged on ring spinner.Such as, as shown in Figure 5, the ring rail 11 of one end being arranged on ring spinner can removably fix supply of electric power coil 38 by supporting member 39.Supporting member 39 is fixed on ring rail 11 by any suitable retention mechanism (not shown).Alternating electromotive force is supplied to supply of electric power coil 38 from power supply (not shown) by flexible cable 40.Supply of electric power coil 38 supplies power to power reception coil 31.Supply of electric power coil 38 and flexible cable 40 do not need to receive any excessive power and just can move up and down integratedly with ring rail 11.
Replacement supply of electric power coil 38 is fixedly secured to the structure on ring rail 11 by supporting member 39, can arrange the lowering or hoisting gear being synchronously elevated supply of electric power coil 38 with ring rail 11.Alternatively, supply of electric power coil 38 can be configured in the position corresponding with the central authorities of the moving range of ring rail 11 regularly.
Be not must carry out from the supply of electric power coil 38 of the one end being arranged on ring spinner to the supply of electric power (electric power transmission) of each yarn detecting unit 16 in ring rail 11, wherein ring rail 11 is arranged in a straight line in every side of ring spinner.Ring rail 11 can be divided into multiple groups, and can from be positioned at each group one end ring rail 11 supply of electric power coil such as 38 supply electric power.Such as, ring rail 11 can distinguish two groups, and supply of electric power coil 38 is arranged on the ring rail of the opposite end being positioned at ring spinner.Under these circumstances, each supply of electric power coil 38 can be fixed on ring rail 11, or is alternatively installed as and is moved up and down by the lowering or hoisting gear for being elevated supply of electric power coil 38.Also can be configured to, from the supply of electric power coil 38 of the one end being arranged on ring spinner, the yarn detecting unit 16 in the wherein one group of ring rail 11 be arranged on two groups is powered, and from another supply of electric power coil 38 of the other end being arranged on ring spinner, the yarn detecting unit 16 be arranged on another group ring rail 11 is powered.When the quantity of ring rail 11 is even number, by ring rail 11 dimidiation simply, when the quantity of ring rail 11 is odd number, ring rail 11 is divided into many one of another group of number ratio of the ring rail 11 in a group.
When the ring rail 11 be arranged in a straight line is divided into three groups or more groups, receive electric power by flexible cable 40 and be arranged on power reception coil 31 and the supply of electric power coil 38 of the non-contact electric power conveyer 30 on the ring rail 11 of middle groups, being configured to the layout different from other non-contact electric power conveyers 30 that other are organized.As shown in Figure 6, the layout configuration that extends along the longitudinal direction of ring rail 11 with the axis of supply of electric power coil 38 and power reception coil 31 of supply of electric power coil 38 and power reception coil 31.Although supply of electric power coil 38 and power reception coil 31 can be arranged as supply of electric power coil 38 and power reception coil 31 and be orientated its axis and extend along the direction of the longitudinal direction perpendicular to ring rail 11, but front a kind of layout is favourable, because when the flexible cable 40 being connected to supply of electric power coil 38 is mobile along with moving up and down of supply of electric power coil 38, ensure that the space for making flexible cable 40 movement.Electric power sends coil 34 needs the end relative with supply of electric power coil 38 with power reception coil 31 being positioned at ring rail 11.But, it is to be noted that power reception coil 31 and supply of electric power coil 38 are not the end that must be positioned at ring rail 11 as shown in Figure 6.By reducing the distance between rectification circuit 32 and on-off circuit 33, power reception coil 31 and supply of electric power coil 38 can be positioned at the longitudinally central authorities of ring rail 11 or the position adjacent with longitudinally central authorities.Under these circumstances, the printed wiring can shortened between power reception coil 31 and rectification circuit 32 and between rectification circuit 32 and on-off circuit 33 connects.
Supply of electric power coil 38 can for good and all be fixed on ring rail 11, and is connected to power supply by the flexible cable with connector, instead of adopts the supporting member 39 allowing detachable installation.Under these circumstances, by the connector of flexible cable is disconnected from supply of electric power coil 38, just ring rail 11 is removed from ring spinner.
In large-scale ring spinner about having 1000 spindles, driver element can be arranged on the central authorities of ring spinner, and spinning unit is arranged on the opposite side of ring spinner.Under these circumstances, ring rail 11 is divided into two groups, and is arranged in a straight line with predetermined space distance on the longitudinal direction of ring spinner, and wherein driver element location between the two groups.By using above-mentioned non-contact electric power conveyer 30, the mode transmitted with wireless power supplies power to the yarn detecting unit 16 on ring rail 11.
The Yarn detection device of the yarn detection system in this embodiment may be used for detecting yarn according to the signal generated by sensor 14A, and whether loose twist and yarn rupture.By counting the quantity of the pulse signal generated according to the revolution time per unit of steel traveler 13 by sensor 14A, calculate the revolution of the steel traveler 13 of time per unit, the twisting count of yarn is calculated according to the revolution of steel traveler 13 and spinning speed, and then the twisting count calculated and predetermined twisting count are compared, the detection of yarn loose twist can be completed.
The sensor 14A of Yarn detection device 14 is not limited to the structure described with reference to above-described embodiment.Such as, sensor 14A can be made up of yoke and the pick-up loop be wound in this yoke, and they are by ester moulding, and steel traveler 13 can be made up of permanent magnet.Under these circumstances, CPU15 judges the existence of yarn breakage or yarn loose twist according to the change of detection signal, and the change of described detection signal is produced by electromagnetic induction due to the change of the distance between pick-up loop and the steel traveler 13 moved along rings flange 12A.
Non-contact electric power conveyer is not limited to the structure being transmitted electric power by the electric power electromagnetic induction sent between coil 34 and power reception coil 31.Such as, electric power can be transmitted by optic communication, electrostatic induction or magnetic resonance.
Yarn detection device according to the present invention is not limited to the structure that reference example describes, and can be the type needing to receive electric power.Such as, Yarn detection device can be the photoelectric sensor of external photoeffect type or the sensor of electrostatic induction type.
Can arrange respectively as the CPU15 of judgment means and control integration circuit 36.
Control integration circuit 36 can be connected directly between rectification circuit 32 and on-off circuit 33 when not arranging DC/DC converter 37.In power reception coil 31 and then under these circumstances, power reception coil 31 to be configured to power receiver be have the voltage being suitable for control integration circuit 36 by rectification circuit 32 rectification.
On-off circuit 33 is not limited to unidirectional DC/AC converter, and can be three-phase DC-DC converter.
In this embodiment, current detection circuit 35 detects and flows through the electric current that electric power sends coil 34, and changes the dutycycle of on-off circuit 33 based on detected electric current.But, can with predetermined dutycycle driving switch circuit 33.
DC/DC converter 37 can be replaced by voltage-stablizer, such as three terminal regulator.
Do not need to arrange Yarn detection device 14 for each rings 12, but sensor 14A can be set for each spindle.Such as, a Yarn detection device 14 with two sensor 14A can be set for every two rings 12, or alternatively the Yarn detection device 14 had more than two sensor 14A can be set for three or more rings 12 every.
When not arranging supporting member 18, control circuit board 17 can be fixed on the antetheca 11A of ring rail 11 by the securing member in the screwed hole be screwed in antetheca 11A or the nuts and bolt passing through the hole formed through antetheca 11A.
The quantity of rings 12 arranged in a ring rail 11 is not limited to 24, but can more than or be less than 24.
All signals that replacement is generated by the sensor 14A of the Yarn detection device 14 be arranged in a ring rail 11 are by the structure of the CPU15 process be arranged in each control circuit board 17, and signal can by the multiple CPU15 process be arranged in each control circuit board 17.
The CPU15 of reply Yarn detection device 14 can be configured to only receive and send the signal characterizing yarn conditions.That is, CPU15 can omit the function judging yarn conditions.Under these circumstances, arbitration functions can be performed by the main control unit 23 of independent control device or ring spinner.Alternatively, main control unit 23 can receive the signal from CPU15 and judge the state of yarn, such as yarn breakage.Under these circumstances, the main control unit 23 of independent control device or ring spinner is used as judgment means of the present invention.
Yarn detection device 14 not necessarily must comprise installing plate 19A, cover the lid 19B of installing plate 19A and sensor 14A, but can not arrange lid 19B, comprises the sensor 14A formed with installing plate 19A.
It is U-shaped that ring rail 11 is not limited to its cross section, and can be crank-like, so that Yarn detection device 14 is fixed on the rear wall of ring rail 11.
Spinning machine is not limited to ring spinner.The present invention is also applicable to the ring spinner being provided with multiple ring rail 11, such as ring doubling frame.
Claims (5)
1. a yarn detection system for spinning machine, wherein this spinning machine has multiple ring rail, and the rings on described ring rail is in line with being spaced of opening of predetermined space, and it is characterized in that, this yarn detection system comprises:
Be arranged on the yarn detecting unit on described ring rail, wherein this yarn detecting unit comprises the judgment means of the Yarn detection device arranged for each spindle with sensor and the state judging yarn based on the signal generated by described Yarn detection device;
Main control unit, wherein said signal is sent to described main control unit by described judgment means by radio communication; With
Be arranged on the non-contact electric power conveyer in each ring rail, wherein between any two adjacent ring rails, carry out non-contact electric power transmission, wherein electric power is supplied to described yarn detecting unit by this non-contact electric power conveyer.
2. the yarn detection system of spinning machine according to claim 1, is characterized in that, described non-contact electric power conveyer also comprises:
The electric power being arranged on the electric power sending side of described non-contact electric power conveyer sends coil; With
Be arranged on the power reception coil of the power receiver side of described non-contact electric power conveyer, wherein electric power is that the electromagnetic induction sent between coil and described power reception coil by described electric power carries out transmitting.
3. the yarn detection system of spinning machine according to claim 2, is characterized in that, described non-contact electric power conveyer also comprises:
On-off circuit, sends coil for induced current by this on-off circuit to described electric power; With
Control integration circuit, according to the change of the magnitude of current being sent to described electric power and sending coil, controls the dutycycle of described on-off circuit.
4. the yarn detection system of spinning machine according to claim 1, is characterized in that, described Yarn detection device just can generate signal without the need to receiving electric power.
5. the yarn detection system of the spinning machine according to any one of claim 1-4, is characterized in that, this yarn detection system also comprises:
Supply of electric power coil, to described non-contact electric power conveyer supply electric power, and is set to move up and down integratedly with described ring rail.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-129134 | 2012-06-06 | ||
| JP2012129134A JP5552662B2 (en) | 2012-06-06 | 2012-06-06 | Spinning yarn detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103469395A CN103469395A (en) | 2013-12-25 |
| CN103469395B true CN103469395B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310312855.3A Expired - Fee Related CN103469395B (en) | 2012-06-06 | 2013-06-05 | The yarn detection system of spinning machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2671984B1 (en) |
| JP (1) | JP5552662B2 (en) |
| CN (1) | CN103469395B (en) |
| BR (1) | BR102013013787A2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6028767B2 (en) * | 2014-06-02 | 2016-11-16 | 株式会社豊田自動織機 | Yarn splicing support device for ring spinning machines |
| DE102015013617A1 (en) * | 2015-10-20 | 2017-04-20 | Saurer Germany Gmbh & Co. Kg | Ring spinning machine with a sensor for monitoring a thread and method for operating the sensor |
| ITUB20154712A1 (en) * | 2015-10-22 | 2017-04-22 | Marzoli Machines Textile Srl | DETECTION DEVICE FOR A SPINE OF A THREADER |
| CN105401278B (en) * | 2015-12-14 | 2017-12-05 | 江南大学 | The yarn on-Line Monitor Device and energy-saving control method of a kind of low-power consumption |
| CN108048972B (en) * | 2016-08-18 | 2020-05-12 | 滦南县万泽纺织有限公司 | Broken yarn protection method for spinning frame |
| CN106087154A (en) * | 2016-08-24 | 2016-11-09 | 宁夏如意科技时尚产业有限公司 | A kind of problem spindle alignment system for spinning frame and method |
| CN107190377B (en) * | 2017-07-10 | 2022-08-26 | 江南大学 | Device and method for detecting spinning tension of ring spinning frame on line |
| CH714081A1 (en) * | 2017-08-25 | 2019-02-28 | Rieter Ag Maschf | Method for operating a ring spinning machine and ring spinning machine. |
| CN107385581B (en) * | 2017-09-11 | 2022-10-04 | 上海兰宝传感科技股份有限公司 | Spinning frame steel wire ring rotation speed detection device |
| CN110109796A (en) * | 2019-03-21 | 2019-08-09 | 深圳市共济科技股份有限公司 | A kind of primary control box and assets detect main integral structure and its integral method |
| CN112229898B (en) * | 2020-10-09 | 2023-03-24 | 苏州由田申甲软件科技有限公司 | Yarn signal detection device |
| CN114326456B (en) * | 2021-09-18 | 2023-10-27 | 金华好哥信息技术有限公司 | Control system and control method for lifting height of airing rod |
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| CN1214523A (en) * | 1997-08-16 | 1999-04-21 | 沃尔克曼股份有限公司 | Transfering method and apparatus of energy and signal for textile machine, especially twiner |
| US5950411A (en) * | 1996-09-11 | 1999-09-14 | W. Schlafhorst Ag & Co. | Device for transmitting signals of a yarn monitor to a control circuit of a spinning location of an open-end spinning machine |
| CN201218735Y (en) * | 2008-02-26 | 2009-04-08 | 大连恒为电子有限公司 | Non-contact type signal transmitter for hot drawing roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3727939A1 (en) * | 1987-08-21 | 1989-03-02 | Skf Textilmasch Komponenten | CIRCUIT ARRANGEMENT FOR TEXTILE MACHINES, ESPECIALLY SPINNING MACHINES WITH SINGLE-MOTOR DRIVE OF THE SPINDLES |
| JPH03241023A (en) * | 1990-02-13 | 1991-10-28 | Hitachi Maxell Ltd | Recording and reproducing apparatus |
| JP2002115126A (en) * | 2000-10-06 | 2002-04-19 | Murata Mach Ltd | Single spindle driving system |
| DE102006014654A1 (en) * | 2006-03-28 | 2007-11-22 | Saurer Gmbh & Co. Kg | Spinning machine with sensors and actuators |
| JP5422971B2 (en) * | 2008-11-10 | 2014-02-19 | 株式会社豊田自動織機 | Spinning device for yarn breakage |
| JP2012039707A (en) * | 2010-08-05 | 2012-02-23 | Panasonic Corp | Non-contact charging device |
| CN102061537A (en) * | 2011-01-27 | 2011-05-18 | 北京经纬纺机新技术有限公司 | Wireless management system for yarn breakage detection of spinning frame and management method thereof |
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2012
- 2012-06-06 JP JP2012129134A patent/JP5552662B2/en not_active Expired - Fee Related
-
2013
- 2013-05-27 EP EP13169293.1A patent/EP2671984B1/en not_active Not-in-force
- 2013-06-04 BR BR102013013787A patent/BR102013013787A2/en active Search and Examination
- 2013-06-05 CN CN201310312855.3A patent/CN103469395B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5950411A (en) * | 1996-09-11 | 1999-09-14 | W. Schlafhorst Ag & Co. | Device for transmitting signals of a yarn monitor to a control circuit of a spinning location of an open-end spinning machine |
| CN1214523A (en) * | 1997-08-16 | 1999-04-21 | 沃尔克曼股份有限公司 | Transfering method and apparatus of energy and signal for textile machine, especially twiner |
| CN201218735Y (en) * | 2008-02-26 | 2009-04-08 | 大连恒为电子有限公司 | Non-contact type signal transmitter for hot drawing roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103469395A (en) | 2013-12-25 |
| JP2013253333A (en) | 2013-12-19 |
| EP2671984A2 (en) | 2013-12-11 |
| JP5552662B2 (en) | 2014-07-16 |
| EP2671984B1 (en) | 2017-04-05 |
| BR102013013787A2 (en) | 2015-10-13 |
| EP2671984A3 (en) | 2015-05-27 |
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