CN102203334A - Method and device for monitoring an insertion system for a weaving machine - Google Patents
Method and device for monitoring an insertion system for a weaving machine Download PDFInfo
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- CN102203334A CN102203334A CN2009801418572A CN200980141857A CN102203334A CN 102203334 A CN102203334 A CN 102203334A CN 2009801418572 A CN2009801418572 A CN 2009801418572A CN 200980141857 A CN200980141857 A CN 200980141857A CN 102203334 A CN102203334 A CN 102203334A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3033—Controlling the air supply
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3053—Arrangements or lay out of air supply systems
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/34—Weft stop motions
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/44—Automatic stop motions acting on defective operation of loom mechanisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
Method and device for monitoring an insertion system (10) for a weaving machine, in which the device (1) comprises a sensor device (2) for measuring at least one actual value of a fluid stream and a processing device (6) connected to the sensor device (2) for comparing a measured actual value of the fluid stream with an expected value for the fluid stream.
Description
Technical field
The present invention relates to a kind of method and apparatus that is used to monitor the weft insertion system of loom, especially air-jet loom.
Background technology
The known weft insertion system that is used for weft yarn is introduced the shed open etc. of loom comprises storage container, fluid line, valve and the nozzle that holds fluid.The consumption of consumed fluid that must will be used to introduce weft yarn remains low as far as possible.Low as far as possible for consumption is remained, monitoring fluid stream is favourable, so that can fast detecting also solve the problem of any generation immediately, for example because fault in the fluid line and/or because nozzle blockage.
DE 19936071 C1 disclose a kind of monitoring system that is used for air-jet loom, it comprises that the pliable pressure flexible pipe is as fluid line, pressure hose is provided with the current load conductor, its interruptive current and produce signal in the control module of loom when breaking down in pressure hose, the result makes braiding stop.
Be known that according to JP 2002138346 A and directly do not measure air-flow, and be based on compressed air pressure main in the storage container, hair-dryer quantity, hair-dryer efficient, the hair-dryer cross-sections surfaces is long-pending and unlatching related valves comes calculated gas flow.
Utilize sensor to determine the actual value of fluid stream and for example utilize indicator and/or utilize monitor to show that on display unit definite value also is known.
Summary of the invention
One object of the present invention is to provide a kind of method and apparatus, wherein can implement monitoring in simple and reliable mode based on the fluid stream of measuring.
This purpose realizes by a kind of method that is used to monitor the weft insertion system of loom, wherein utilizes sensor device to measure at least one actual value of fluid stream and this at least one actual value and desired value are compared.
By actual value and desired value are compared, can determine fault or defective in simple mode, thereby make it possible to quick intervention.Therefore can be continuously and/or measure actual value at certain intervals.Monitoring during the braiding of loom and stopping period all be possible.Preferably measure fluid stream on during certain measurement, the mean value of the fluid stream during wherein will measuring is defined as actual value.In this embodiment, thus mean value and desired value are compared so that make the minimum that influences of interim fluctuation.
According to an advantageous embodiment, measure the interior primary fluid stream of main supply line of loom.The weft insertion system that is used for weft yarn of loom comprises for example primary storage container, fluid line, valve and nozzle.Thereby sensor device is positioned between the compressor and primary storage container of for example supplying compressed fluid.This makes it possible to fully measure the fluid consuming of loom, is fed to the consumption of the fluid of loom more specifically.
Usually, several valves are connected to the primary storage container of loom, and wherein relaying hair-dryer group and/or main hair-dryer group are connected to each valve.Preferably, by setting the reference parameter of valve, it mainly means by opening and closing stop valve suitably, suitably set choke valve and/or setting pressure control valve suitably, and the corresponding reference settings of loom is provided.Thereby can determine the desired value and/or the actual value of fluid stream to described reference settings.By this way, can obtain several reference settings, and can be by a different assembly of sensor device monitoring.
According to an embodiment, measure the leakage fluid flows that is present in the main supply line.For this reason, the stop valve that for example will be connected to the primary storage container is closed fully.If some pipeline is equipped with choke valve, so by the throttling of choke valve action is set at its maximum set make for example pass through choke valve through the inflow-rate of water turbine minimum.The desired value of this structure is low.For example, the flow of fluid stream more specifically the desired value of mass flow be about 0.2 to 0.8Nm
3/ h(standard cubic meter per hour).If for example measure higher actual value, this may represent the fault in the pipeline system so.
According to another embodiment, determine at least one desired value of fluid stream by the measurement of reference settings, thereby for example only a stop valve be open.Also have a choke valve or several choke valves if be connected to the assembly of stop valve, the measurement of reference settings is implemented so that realize a choke valve or a plurality of choke valve of the maximum fluid stream of process assembly by being opened at utmost so.In a particular embodiment, can connect single choke valve, so that separate the nozzle relevant with stop valve.By activating these choke valves, thereby can determine in these specific embodiments fluid stream through independent nozzle.In other embodiments, plurality of sensors can be provided, the fluid stream of described sensor measurement can be utilized from independent nozzle or nozzle sets.
Preferably, in order to determine desired value, flow and measure fluid according to the reference settings of loom.Thereby desired value is corresponding to the value at certain reference settings place of loom.If boundary condition does not change, so also should detect actual value and not change.As its result, can detect the variation that takes place during operation apace, described variation is for example owing to fault takes place.
According to an embodiment, measure fluid stream from least one relaying hair-dryer of being connected to stop valve and/or at least one main hair-dryer of being connected to stop valve, so that determine at least one relaying hair-dryer and/or for the actual value of the fluid stream of at least one main hair-dryer.
According to another embodiment, determine from nozzle or nozzle sets, for example from relaying hair-dryer, relaying hair-dryer group, the desired value of coming autonomous hair-dryer and/or coming the fluid stream of autonomous hair-dryer group.Can utilize the nozzle quantity of correction factor and consideration group, the quantity of the main hair-dryer of the quantity of Zu relaying hair-dryer and/or group for example, come to determine from nozzle sets, for example from the relaying hair-dryer of relaying hair-dryer group and/or come the fluid stream of the main hair-dryer of autonomous hair-dryer group.Usually, two to three relaying hair-dryers are connected to stop valve.Yet it also is possible that more or less relaying hair-dryer is connected to a stop valve.As the result of correction factor, the hair-dryer quantity that is connected to the hair-dryer group of a stop valve can be taken into account the influence of the desired value of the fluid stream of this group.Therefore, measured value based on the group of two the similar hair-dryers that are connected to stop valve, for example can determine the desired value of fluid stream at the group of three hair-dryers that are connected to stop valve, wherein use correction factor that the varying number of every group hair-dryer is taken into account.Usually, the quantity of hair-dryer and fluid stream is not linear correlation each other.As the result that additional line, valve limited passes through etc., the loss that must take into account for the group with several hair-dryers is normally higher.Yet because correction factor still can relatively have each group of the nozzle or the hair-dryer of varying number.The actual value of fluid stream mainly depends on the supply pressure of fluid, and it for example can utilize pressure-regulating valve to regulate.
Reliably monitoring is possible, especially by relatively through the fluid stream of the different spray nozzles group that under identical supply pressure, is supplied to because in this case, when relatively through the fluid stream of each group, supply pressure has nothing to do.
According to preferred embodiment, nozzle sets for example relaying hair-dryer group each all be connected to certain supply container via relevant stop valve, wherein utilize the sensor device measurement to be connected to each fluid stream of a plurality of nozzle sets of relevant stop valve, the mean value of fluid stream is defined as the desired value of a plurality of these nozzle sets.In this case, the above-mentioned desired value of the actual measured value that fluid can be flowed and the fluid stream of each nozzle sets compares, and can determine, the actual value of the fluid stream of certain nozzle sets and the standard deviation that the difference between the desired value depends on measured value basically, above-mentioned mean value is determined by described measured value.It is especially favourable determining whether to exist significant difference according to this method, so that determine for example certain relaying hair-dryer whether made dirty (obstruction) of certain nozzle.
This purpose is also solved by the equipment of the weft insertion system that is used to monitor loom, wherein this equipment comprises the sensor device of at least one actual value of measuring fluid stream, and wherein this equipment comprises the treatment facility that is connected to sensor device and is used for the measurement actual value and the desired value that fluid flows of comparison fluid stream.By comparing actual value and desired value, can estimate actual value.Make it possible to carry out apace in early days fault detect like this.In the context of the present invention, phrase " is connected to the treatment facility of sensor device " and is interpreted as the connection that comprises any kind, for example by wired or wireless, radio communication diagram for example, the result can carry out transfer of data or signal transmission between sensor device and treatment facility, uniaxially is transferred to treatment facility from sensor device at least.According to a distortion, can carry out bidirectional data transfers or signal transmission by between.
According to an embodiment, sensor device comprises the sensor in the main supply line that is arranged on loom.For example can determine or measure the sensor of the Fluid Volume that strides across certain time interval as being independent of fluid pressure by the use traffic meter.As flowmeter, can use " mass flowmenter ", it for example uses the thermal characteristics of fluid stream to determine mass flow.By sensor is arranged in the main supply line, thus the consumption of consumed fluid that can only utilize a sensor monitoring to use by loom.In this case, the fact of utilizing stop valve and/or choke valve to switch independently of one another, thereby so that produce different reference states or reference settings, wherein make and in treatment facility, to use, thereby so that determine fluid which pipeline of flowing through about the state of stop valve and/or choke valve or the information of setting.
Alternately or extraly, sensor device can comprise the sensor relevant with at least one nozzle, for example with at least one relaying hair-dryer and/or the relevant sensor of at least one main hair-dryer.
According to another embodiment, this equipment comprises memory device, and at least one desired value of fluid stream (desired value of having utilized reference settings to determine more specifically) is stored in this memory device.Memory device preferably includes the memory that can repeatedly rewrite, so that the configuration that desired value can be suitable for changing.Preferably, after being set, loom begins measuring period, so that measure desired values a reference settings or at several reference settings places and subsequently they are stored in the memory device.
According to preferred embodiment, correction factor is stored in the memory device, be used to be connected to independent relaying hair-dryer and/or several relaying hair-dryers of stop valve, the result can take the quantity that is connected to the relaying hair-dryer of stop valve into account the desired value that is used to be correlated with.Correction factor preferably also is stored in the recordable memory, so that variation can be attached to the modification of the quantity of the relaying hair-dryer that is connected in each stop valve.
According to an embodiment, memory device is connected to input equipment, utilizes this input equipment, can import the data that especially can manually import correction factor for example and/or desired value.Therefore can be easy to set.Memory device also is connected to sensor device so that the sensor device store measurement values, and wherein sensor device for example is connected to memory device via treatment facility.
Treatment facility preferably is connected to display device, in that for example vision ground and/or sense of hearing ground show measured value, desired value on this display device and/or the value that derives from measured value and the desired value deviation between measured value and the desired value for example.Preferably, the display screen of loom or display are as display device.Shown value can be with the form regeneration of numerical value and/or graphical presentation.If loom does not have according to equipment of the present invention, this can be presented on the display screen of loom in the corresponding way so.
Description of drawings
Other characteristics of the present invention and advantage draw from the description of following exemplary embodiment illustrated in the accompanying drawings.
Fig. 1 represents to comprise the schematic diagram according to the loom of equipment of the present invention;
Fig. 2 represents to be used to be suitable for to use the schematic diagram of weft insertion system of the air-jet loom of the method according to this invention;
Fig. 3 represents the variant embodiment of the weft insertion system similar to the weft insertion system of Fig. 2 to Fig. 5.
The specific embodiment
Loom shown in Fig. 1 comprises according to equipment 1 of the present invention.Equipment 1 comprises the sensor device 2 of at least one actual value that is used to measure fluid stream, for example is used to measure the actual flow of fluid stream.Sensor device 2 is arranged near the frame 3 of loom.Sensor device 2 also be arranged on loom main supply line 4 near.Sensor device 2 comprises the sensor 5 that is connected to treatment facility 6.In addition, equipment 1 comprises memory device 7, input equipment 8 and display device 9.
As shown in Figure 2, the equipment 1(treatment facility 6 of equipment 1 more specifically) comprise the memory device 7 that is used for storing value.Treatment facility 6(is the memory device 7 of treatment facility 6 more specifically) be connected to input equipment 8.The treatment facility 6 of equipment 1 is also connected to display device 9, more specifically is connected to the display screen of loom.Memory device 7 and input equipment 8 also are connected to display device 9.Input equipment 8 is for example by forming with the input part of electronic system interaction, for example USB input bus or any other input bus.According to variant embodiment, input equipment 8 also can be used as output equipment.According to another distortion, display device 9 also can be used as input equipment, and it can for example be designed to so-called " touch-screen ".In this case, word " connection " is also instigated to such an extent that can carry out the connection of any kind of unidirectional at least or preferred two-way transfer of data or signal transmission.
Fig. 2 illustrates with illustrating and is used for the loom weft insertion system 10 of (more specifically being used for air-jet loom).By the weft insertion system shown in Fig. 2 10, compressed air is used as fluid.In this case, fluid stream is made of compressed air stream.Certainly, this description also is to be applied to different fluids.Air-jet loom comprises a plurality of nozzle sets 11,12,13,14 and 15, and it is made of the relaying hair-dryer in the exemplary embodiment that illustrates.Relaying hair- dryer 11,12 is connected to storage container 21 via relevant stop valve 16,17, and relaying hair- dryer 13,14,15 is connected to storage container 22 via relevant stop valve 18,19,20.Storage container 21 is connected to primary storage container 25 via pressure-regulating valve 23, and storage container 22 is connected to primary storage container 25 via pressure-regulating valve 24.Via pressure-regulating valve 26, primary storage container 25 be connected to can supplied with pressurised fluid supply system 27.Supply system 27 comprises the compressor that for example is used for pressurised air.
In addition, the nozzle 28,29 that is made of main hair-dryer in the illustrated embodiment is connected to storage container 32 via stop valve 30 and choke valve 31.Via pressure-regulating valve 33, storage container 32 is connected to primary storage container 25.Be provided with auxiliary equipment 34 and 35 in addition.Auxiliary equipment 34 is for example formed by the elongation hair-dryer and is connected to storage container 38 via stop valve 36 and choke valve 37.Auxiliary equipment 35 for example forms by cleaning hair-dryer.According to a distortion, auxiliary equipment 34 or 35 can be formed by the cylinder that is used to drive the yarn folder, form (weft yarn can be inhaled into wherein) by the hair-dryer that is present in the suction nozzle, the hair-dryer that is folded into equipment by selvedge forms, or is formed by other hair-dryers or element.Auxiliary equipment 35 is directly connected to storage container 38.In this case, should notice that auxiliary equipment 35 is provided pressure fluid continuously, and consumed cabin air continuously for example.Storage container 38 is connected to primary storage container 25 via pressure-regulating valve 39.Certainly, according to a distortion (not shown), other auxiliary equipment that are provided fluid via storage container can also be set.
In the exemplary embodiment that illustrates, stop valve can be made of electromagnetic valve.Choke valve can be made of electric throttle valve.But pressure-regulating valve can be made of the pressure-regulating valve and/or the electric control valve of manual adjustments.But Fig. 1 illustrates the pressure-regulating valve 23,24,26,33,39 of manual adjustments with illustrating, and it is arranged near the frame of loom.
Be provided with the supply line from supply system 27 to primary storage container 25 4 according to sensor device 2 of the present invention, it comprises sensor 5 so that definite actual value that flows by the fluid of main supply line 4.If fluid stream is made of compressed air stream, for example select the compressed-air actuated flow of time per unit (the more specifically compressed-air actuated measurement mass flow of time per unit) so as actual value.The statement that is appreciated that mass flow means according to through the fluid mass in the fluid stream of sensor and definite flow.Mass flow is independent of the pressure of the fluid in the fluid stream.
According to the present invention, the actual value by the fluid stream that will be measured by sensor device 2 compares with the desired value of fluid stream and controls (more specifically monitoring) weft insertion system 10.This can use treatment facility 6 to implement.In order to allow this comparison, the desired value that fluid is flowed is stored in the memory device 7.This desired value can be for example via input equipment 8 inputs.
Preferably, desired value equals to set the value of determining by coherent reference.Measured value, desired value and the value of deriving from measured value and the desired value for example difference between measured value and the desired value may be displayed on the display device 9, for example the display screen of the loom that provides for this purpose.
According to the present invention, can determine desired value in every way and be stored in subsequently in the memory device 7.According to first possibility, reference parameter, the reference parameter of choke valve 31,37 and/or the reference parameter of pressure-regulating valve 23,24,26,33,39 of the stop valve 16,17,18,19,20,30,36 by setting loom provide reference settings.Reference settings can be made of such setting: promptly, all stop valves 16,17,18,19,20,30,36 are in the close position, all choke valves 31,37 are set at maximum throttling and all pressure-regulating valves 23,24,26,33,39 are set at minimum pressure.This reference settings allows to measure the leakage fluid flows that is present in the main supply line 4.If weft insertion system 10 does not comprise any leakage, then measure little leakage fluid flows in this case, this mainly is owing to provide continuous fluid stream for example with the result of the auxiliary equipment 35 of cleaning or cooling element.The measured value of leakage fluid flows is stored in the memory device 7 subsequently.If after a time loom is set at described reference settings, if and measure bigger leakage fluid flows, treatment facility 6 can determine that there is additional leakage in some place by the storing value of actual leakage fluid flows with the expectation leakage fluid flows compared so.When being in, loom implements this measurement when stopping.Image from Fig. 2 may be displayed on the display device 9, wherein closed stop valve, choke valve is set at maximum throttling, and pressure-regulating valve is set at minimum pressure, each for example is depicted as particular color, in this case, particular color can mean that they allow any fluid stream process usually hardly.
According to another possibility, when braiding during certain article, measure or the actual value of definite fluid stream, for example the fluid stream of setting place that is used to weave at Nm
3/ h(standard cubic meter is per hour) mass flow.This actual value is stored as desired value, in other words, and as the desired value of the fluid stream at the application settings place of loom during weaving.Subsequently, when continuing braiding, continuously the actual value of measurement and the desired value of storage as described above are compared.In order to determine actual value, can go up in certain time interval (for example 10 seconds) and determine mean value.A desired value for example is 58.2Nm
3/ h.If for example leak or the defective generation, by help, can determine that the actual flow value is different significantly with the expectation flow value according to equipment of the present invention, can utilize display device 9 to produce and the demonstration failure message.In this case, the operator can investigate fault and take place wherein, and takes appropriate action so that fault is remedied, so as braiding can be always with the flow of minimum and/or under suitable environment, take place.
If leakage has for example taken place, then the actual value of flow may be higher, and if for example stop valve do not open, then the actual value of flow may be lower.In addition, can determine that in this case flow is to rise gradually or descend and/or flow is to rise suddenly or descend.Thereby these measurements can be for example be presented at the form of chart and allow the operator to determine whether to exist defective on the display device 9.If find the continuous decline of actual flow value, this may be the hint of make dirty (obstruction) of the one or more nozzle of for example some relaying hair-dryer.Become than the moment of the low certain percentage of expectation flow value from the actual flow value, can be for example via the display screen of loom and/or via warning system for example the signal lamp of loom produce the message that nozzle need clean.
Have defective if the operator suspects, the operator can implement manual, the semi-automatic or automatic inspection of weft insertion system 10 so.Alternately, this inspection can automatically be implemented at the fixed time, for example every day, after loom whenever stops 20 times, through axle is each change after or based on other parameters.
According to another possibility, to have the desired value that reference settings is determined and storing fluid flows for some reference parameter of stop valve, choke valve and/or pressure-regulating valve.Thus, can the stage afterwards determine actual value, and the desired value of actual value and storage is compared with described reference settings.Based on difference between the two, can determine defective.For example, reference settings can be chosen as, pressure-regulating valve 23,24,26,33,39 is set at the reference parameter during for example braiding, and choke valve 31,37 also is set at the reference parameter during for example weaving.By this reference settings, can be at this reference parameter place closed stop valve 17,18,19,20,30 and 36 each, and stop valve 16 is open at this reference parameter place.In this case, can measure the actual value of the stream of fluid for example at described reference settings, the flow of compressed air stream for example, and as the desired value storage of described reference settings.Then, each of stop valve can be opened in succession, and every other stop valve closure.By this way, can set different reference settings in succession with coherent reference parameter.This makes it possible to store desired value at each nozzle sets that is connected to relevant stop valve with certain reference settings.Thereby in all cases, utilize measurement, and determine a desired value at fluid stream at the reference settings of only opening a stop valve.
For example, the stop valve of unlatching can be opened 3 seconds in this case, wherein measured to begin after 1 second and stopped in the time of 3 seconds.Allow under operating condition, to implement the measurement of fluid stream like this.Behind certain hour, weft insertion system can one after the other return these reference settings, wherein determines an actual value in all cases.If actual value is different from desired value significantly, can determine defective so.Significant difference can be defined as percentage, for example surpasses 5% or surpass 10% difference, or can determine according to mean value and standard deviation statistics ground.If actual value is higher significantly, then this may represent to leak.If actual value is lower significantly, then this may represent that nozzle is made dirty (obstruction) or the stop valve running is not normal.The image of Fig. 2 may be displayed on the display device 9, and wherein relevant with the part that has been found that defective valve is shown as for example red, and the valve relevant with the valve of not finding defective is shown as for example green.
With similar methods, can determine a value at each selected reference settings for certain nozzle or nozzle sets, and it can be used as the desired value storage.Certainly also can one after the other open two or more stop valves with such reference settings.In addition, can make choke valve and/or pressure-regulating valve move to the position relevant with this reference settings.
In the embodiment according to Fig. 3, each is connected to same storage container 21 via relevant stop valve 16,17,18,19,20 relaying hair- dryer group 11,12,13,14,15.Storage container 21 is connected to primary storage container 25 then via pressure-regulating valve 24.In this case, primary storage container 25 is connected to supply system 27 via pressure-regulating valve 24 and main supply line 4.Sensor device 2 with sensor 5 is assemblied in the main supply line 4.Sensor device 2 is connected to treatment facility 6 in mode shown in Figure 2.According to an embodiment, each one after the other opens stop valve 16-20, and other stop valve closures, and determine relevant actual value for fluid stream in all cases.That is to say, utilize sensor device 2 to measure fluid stream at each the relaying hair-dryer group 11-15 that is connected to relevant stop valve 16-20.These of fluid stream are measured to set with certain of pressure-regulating valve 24 and 26 and are implemented, and it means under certain pressure of the fluid of measurement in being present in storage container 21 and takes place.According to these measurements, for each relaying hair-dryer group 11-15, the mean value of fluid stream is defined as measurement as described above value mean value and store as desired value.Then, each measured value with the fluid of relaying hair-dryer group 11-15 stream compares with the expectation mean value that fluid flows.In addition, can determine the standard deviation of each value of measurement as described above about determined average expected volume at the real fluid stream statistics ground of each relaying hair-dryer group.If the actual measured value of relaying hair-dryer group is different significantly with desired value, for example different twofold with the desired value deviation that is above standard, can suppose in weft insertion system at fluid to have fault or defective so to the activity of described given trunk hair-dryer group.This embodiment is particularly suited for detecting make dirty (obstruction) of some relaying hair-dryer, is suitable for more specifically determining that fluid stream from the relaying hair-dryer that is connected to a stop valve is markedly inferior to the fluid stream from the relaying hair-dryer that is connected to other stop valves.
According to a distortion, after determining significant difference, can not consider the measurement actual value of described relaying hair-dryer group, and determine the mean value and the standard deviation of the residue measurement actual value of other relaying hair-dryer groups then for relaying hair-dryer group.Mean value is stored as desired value subsequently once more.After this, irrespective actual value and definite desired value as described above can be compared.If still detect the significant difference of described given trunk hair-dryer group, for example the difference of three times of standard deviations can suppose that so fault has taken place this relaying hair-dryer group.
According to another distortion, the measurement actual value that is connected to the relaying hair-dryer group of a stop valve can be compared with determining the desired value as all be connected to the mean value of the actual measured value that other relaying hair-dryer groups of relevant stop valve are correlated with each.If this relaying hair-dryer group is connected to same storage container or is supplied fluid with uniform pressure, so this method is favourable.Whether this makes it possible to by the measurement actual value of the fluid stream of determining certain relaying hair-dryer group different significantly with desired value, and determines in simple mode whether defective takes place.
Be connected to the particular memory distortion of vessel according to each relaying hair-dryer group wherein via relevant stop valve, can utilize sensor device to measure fluid stream through each of a plurality of relaying hair-dryer groups of being connected to relevant stop valve.In this case, the mean value of fluid stream can be defined as the desired value of a plurality of these relaying hair-dryer groups.The actual measured value that the fluid of each relaying hair-dryer group can be flowed and the above-mentioned desired value of fluid stream compare subsequently.Then, the standard deviation of the measured value that can compare at the mean value that fluid stream is determined and determined as desired value.After this, based on above-mentioned standard deviation, can determine whether the actual value of fluid stream of given trunk hair-dryer group is different significantly with desired value.When a large amount of relaying hair-dryer groups were connected to same storage container, this method was best, and this method is particularly suited for determining whether given trunk hair-dryer group comprises the relaying hair-dryer of make dirty (obstruction).
Said method makes it possible to determine that based on measuring actual value whether some measures actual value different significantly with other measured values, that is to say different significantly with desired value.In this case, according to the present invention, can be easily and do not have the operator to intervene the inspection that weft insertion system 10 is implemented on ground automatically, whether this fluid stream that makes it possible to be determined to given trunk hair-dryer group is greater than or less than the fluid stream of other relaying hair-dryer groups significantly.If each relaying hair-dryer group is identical design and is connected to same storage container that expectation identical Fluid Volume of they uses when they are supplied fluid is rational so.This means that this method can implement under any fluid pressure, in other words can under any fluid pressure, detect defective by this method.
If nozzle is identical in fact design with stop valve, can determine so under the same pressure of accommodating fluid, for example be 1.4 times through the value of the fluid stream of the group of three nozzles through the value of the fluid stream of the group of two nozzles.Suppose that fluid stream through a nozzle of the group of two nozzles equals " 1/2 " through the fluid stream of described nozzle sets.For the group of three nozzles, equal " 1/3 " of the fluid stream of this nozzle sets through the fluid stream of a nozzle.For make it possible to through from the fluid stream of a nozzle of the group of three nozzles with through fluid stream from a nozzle of the group of two nozzles between compare, can use correction factor.In above-mentioned example, can use the correction factor of " 1/2 " to the group of two nozzles, and can be to the correction factor of the group selection " 1/2.8 " of three above-mentioned 1.4 times nozzles.In this case, when the quantity (being connected to the quantity of the relaying hair-dryer of same stop valve more specifically) of the nozzle of respective nozzle group is taken into account, determine each correction factor.Correction factor can and be stored in the memory device 7 by input equipment 8 inputs.This means,,, will obtain the identical value of fluid stream (more specifically flow) so under ideal case and each the independent nozzle under the same pressure of accommodating fluid if correction factor is taken into account.As its result, can determine the fluid stream at each nozzle place and with it and desired value comparison.
If the fluid stream through nozzle sets 41 for example is 3.2Nm
3/ h, failing to be convened for lack of a quorum through the fluid of each nozzle of nozzle sets 41 so is 1.6Nm
3/ h.If the fluid stream through nozzle sets 42 for example is 4.5Nm
3/ h, failing to be convened for lack of a quorum through the fluid of each nozzle of nozzle sets 42 so is 1.5Nm
3/ h promptly is 1/3rd of total fluid stream.If yet consider correction factor, the value of fluid stream is 1.6Nm so
3/ h, it equals as total fluid flow valuve 4.5Nm
3The value that/h obtains divided by correction factor 2.8.Can compare with the value of certain degree of accuracy like this relaying hair-dryer of the group of this value of the relaying hair-dryer of the group of three relaying hair-dryers and two relaying hair-dryers.Thereby,, still the fluid stream that passes through the relaying hair-dryer group that comprises varying number relaying hair-dryer relatively and/or with same desired value can be compared mutually so that when the quantity of the relaying hair-dryer that will be connected to stop valve is taken into account.Correction factor is taken into account, can be implemented all methods of describing about Fig. 3 in the mode identical with the embodiment of Fig. 4.Equally and in a similar manner, can fluid flow (more specifically fluid stream) determine mean value and standard deviation that the mean value with measured value compares to utilizing correction factor to revise.
According to another possibility, in the embodiment of Fig. 2,, can measure the primary fluid stream in the main supply line 4 when loom is in when stopping.This can implement when choke valve 31,37 and pressure-regulating valve 23,24,26,33,39 still are in the position that has during they are weaving.If there is not stop valve to be driven, can think that so this primary fluid stream is a leakage fluid flows.If described leakage fluid flows is greater than measuring in a similar manner after the setting of loom and as the leakage fluid flows that desired value is stored, then can concluding to have extra leakage.Under manual operation formula pressure-regulating valve 23,24,26,33,39 situations, can expect to store the desired location of these pressure-regulating valves, for example they are stored in the memory device 7 of loom.This makes it possible to make after control according to the present invention the weft insertion system of loom to turn back to the setting or the parameter of previous setting.Subsequently, pressure-regulating valve 23 can be set at minimum pressure so that determine whether leakage fluid flows reduces.If leakage fluid flows reduces, then can suppose the downstream of leakage at pressure-regulating valve 23.If leakage fluid flows does not reduce, then pressure-regulating valve 24 can be set at minimum pressure so that determine once more whether leakage fluid flows reduces.In a similar manner, pressure-regulating valve 33 and 39 can be set at minimum pressure so that whether the control leakage fluid flows reduces.If leakage fluid flows does not still reduce, then pressure-regulating valve 26 can be set at minimum pressure subsequently.If leakage fluid flows does not still descend, can conclude that then leakage is at main supply line 4 places.After this control, pressure-regulating valve can turn back to monitoring their residing positions before.Braiding can recover once more then.
According to embodiment shown in Figure 5, sensor 2 can also comprise the sensor relevant with at least one nozzle 48,49 and/or 50.According to this embodiment, sensor 48 is relevant with main hair-dryer 28, and sensor 49 is relevant with relaying hair-dryer group 11, and sensor 50 is relevant with main hair-dryer 40.In this embodiment, main hair-dryer 40 is connected to stop valve 36, and stop valve 36 is connected to storage container 38 via choke valve 37.Certainly, can assemble and a relaying hair-dryer, one or more relaying hair-dryer group, a main hair-dryer and/or other relevant sensor of one or more main hair-dryer groups.Each is connected to treatment facility 6 sensor 48,49,50, so that treatment facility 6 is sent the analog or digital signals and/or receives the analog or digital signals from treatment facility 6.
As illustrated among Fig. 1, the control module 58 of loom can be connected to treatment facility 6.In a similar manner, control module 58 can also be connected to memory device 7, input equipment 8 and display device 9.Control module 58 can also be controlled all elements of weft insertion system 10, more specifically can drive all above-mentioned valves according to control program.In fact treatment facility 6, memory device 7 and input equipment 8 can form the part of a single physical unit, for example have the part of the electronic circuit board of signal input part and efferent.Such circuit board can be assemblied in the control module 58 of loom.
It is favourable implementing the method according to this invention with open shed open.When implementing the method according to this invention, this has prevented that weft yarn is exposed to fluid, and it may cause the damage of weft yarn.
The distortion of the reference settings that certainly, illustrates and combination are possible.When selecting reference settings, can expect pressure-regulating valve is set at maximum or minimum the setting.In a similar manner, choke valve can be set at maximum or minimum the setting.This makes when the open or a plurality of stop valves of this stop valve are open, can measure exactly through this stop valve or through the influence that the fluid of these stop valves flows, and does not promptly have the appreciable impact of the defective at other elements of weft insertion system or parts place.
Certainly, according to a distortion (not shown), each stop valve can only be provided with a nozzle, and for example a relaying hair-dryer perhaps can be provided with the nozzle above three, for example surpasses three relaying hair-dryer.In this case, also can determine the correlation-corrected factor.
If the starting of operator's the method according to this invention is to the monitoring of weft insertion system, whether the control module 58 of equipment 1 can initial detection exist the sensor device 2 with at least one sensor 5,48,59,50 so, more specifically can whether produce the analog or digital signal by detecting sensor equipment 2.If situation is not like this, this will be presented on the display device 9 of loom and method of the present invention will not be implemented so.
According to the present invention, measure from the fluid stream of at least one nozzle and with it and desired value and compare.In this case, nozzle is not restricted at least one relaying hair-dryer and/or at least one main hair-dryer, but nozzle can be included in the nozzle of any kind that uses in the loom, for example is used for the elongation hair-dryer of weft yarn, the fixedly hair-dryer that is used for weft yarn, the selvedge that is used for the yarn end and folds into hair-dryer, cleans hair-dryer, is used for the known hair-dryer etc. of any kind of loom.
The apparatus and method according to the invention that illustrates in the exemplary embodiment and describe is not limited to use in air-jet loom, introduce in the loom of any kind in the shed open by fluid but can be used in weft yarn, for example also be used for the fluid weaving machine of water jet looms or other types.
The apparatus and method according to the invention of the Miao Shuing exemplary embodiment that is not limited to describe by way of example in the claims, but can also be included in its distortion and combination in the claim scope.
Claims (15)
1. method that is used to monitor the weft insertion system (10) of loom wherein, utilizes sensor device (2) to measure at least one actual value of fluid stream, it is characterized in that, the actual value and the desired value of the measurement of described fluid stream compared.
2. the method for claim 1 is characterized in that, measures the interior primary fluid stream of main supply line (4) of described loom.
3. method as claimed in claim 1 or 2 is characterized in that, by the valve (16,17,18,19,20,30,36 of setting described loom; 31,37; 23,24,26,33,39; 51, reference parameter 52,53,54,55,56,57) provides reference settings, is used for determining desired value and/or actual value.
4. method as claimed in claim 3 is characterized in that, measures the leakage fluid flows that is present in the described main supply line (4).
5. as any described method of claim 1-4, it is characterized in that, utilize at least one desired value that described fluid flows is determined in the measurement of reference settings, wherein stop valve (16,17,18,19,20,30,36 only; 51, be open 52,53,54,55,56,57).
6. method as claimed in claim 5 is characterized in that, in order to determine described desired value, measures fluid stream according to the reference settings of described loom.
7. as any described method of claim 1-6, it is characterized in that, utilize described sensor device (2) to measure a plurality of nozzle sets (11,12,13,14,15; The fluid stream of 41,42,43,44,45,46,47) each, described a plurality of nozzle sets (11,12,13,14,15; 41,42,43,44,45,46,47) be connected to relevant stop valve (16,17,18,19,20; 51,52,53,54,55,56,57), described stop valve (16,17,18,19,20; 51,52,53,54,55,56,57) be connected to particular memory container (21), wherein, the mean value that described fluid is flowed is defined as described a plurality of nozzle sets (11,12,13,14,15; 41, desired value 42,43,44,45,46,47).
8. method as claimed in claim 7, it is characterized in that, according to the standard deviation of measured value, determine whether have significant difference between the desired value of the measured value of described fluid stream and described fluid stream, wherein utilize described measured value to determine the above-mentioned mean value of described fluid stream.
9. as any described method of claim 5-8, it is characterized in that, utilize correction factor and consider nozzle sets (11,12,13,14,15; 41, nozzle quantity 42,43,44,45,46,47) is determined from described nozzle sets (11,12,13,14,15; The fluid stream of nozzle 41,42,43,44,45,46,47).
10. as any described method of claim 1-9, it is characterized in that, measure from least one the relaying hair-dryer (11,12,13,14,15 that is connected to stop valve; 41,42,43,44,45,46,47) and/or be connected at least one main hair-dryer (28,29 of stop valve; 40) fluid stream.
11. equipment that is used to monitor the weft insertion system (10) of loom, wherein, described equipment (10) comprises the sensor device (2) of at least one actual value that is used to measure fluid stream, it is characterized in that, described equipment (1) comprises the treatment facility (6) that is connected to described sensor device (2), is used for the actual value of the measurement of described fluid stream is compared with the desired value that described fluid flows.
12. equipment as claimed in claim 11 is characterized in that, described sensor device (2) comprises the sensor (5) in the main supply line (4) that is arranged on described loom.
13., it is characterized in that described equipment (1) comprises memory device (7) as claim 11 or 12 described equipment, at least one desired value of described fluid stream is stored in the described memory device (7).
14. equipment as claimed in claim 13 is characterized in that, is used to be connected to stop valve (16,17,18,19,20,30,36; 51, the independent nozzle 52,53,54,55,56,57) and/or the correction factor of several nozzles are stored in the described memory device (7), as its result, can will be connected to the nozzle (11,12,13,14,15 of stop valve; 41, quantity 42,43,44,45,46,47) is taken into account, the desired value that is used to be correlated with.
15., it is characterized in that described sensor device (2) comprises the sensor (48,49,50) relevant with relaying hair-dryer, relaying hair-dryer group, main hair-dryer and/or main hair-dryer group as any described equipment of claim 11-14.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE2008/0581A BE1018324A3 (en) | 2008-10-22 | 2008-10-22 | METHOD AND DEVICE FOR CHECKING AN INSERT SYSTEM FOR A WEAVING MACHINE. |
| BE2008/0581 | 2008-10-22 | ||
| PCT/EP2009/007515 WO2010046092A1 (en) | 2008-10-22 | 2009-10-20 | Method and device for monitoring an insertion system for a weaving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102203334A true CN102203334A (en) | 2011-09-28 |
| CN102203334B CN102203334B (en) | 2013-06-19 |
Family
ID=41050866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980141857.2A Active CN102203334B (en) | 2008-10-22 | 2009-10-20 | Method and device for monitoring an insertion system for a weaving machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2352869B1 (en) |
| CN (1) | CN102203334B (en) |
| BE (1) | BE1018324A3 (en) |
| WO (1) | WO2010046092A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820921A (en) * | 2012-11-16 | 2014-05-28 | 株式会社丰田自动织机 | Apparatus for showing compressed air flow rate in an air jet loom |
| CN104562392A (en) * | 2013-10-29 | 2015-04-29 | 株式会社丰田自动织机 | Device for controlling air pressure within air-jet loom |
| CN105544068A (en) * | 2016-01-20 | 2016-05-04 | 吴江市日春纺织机械有限公司 | Water supply weft insertion device of water jet loom and water supply method thereof |
| CN107034576A (en) * | 2015-10-12 | 2017-08-11 | 株式会社丰田自动织机 | The Weft insertion controller of air-jet loom |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2721207B1 (en) | 2011-06-15 | 2019-01-02 | Picanol | A pressure regulator device |
| JP5780102B2 (en) * | 2011-10-11 | 2015-09-16 | 株式会社豊田自動織機 | Air leak detection method for air jet loom |
| JP7388322B2 (en) * | 2020-09-07 | 2023-11-29 | 株式会社豊田自動織機 | Air jet loom weft insertion device |
| JP7552222B2 (en) | 2020-10-09 | 2024-09-18 | 株式会社豊田自動織機 | Air jet weaving machine weft insertion device |
| JP7489003B2 (en) * | 2021-01-29 | 2024-05-23 | 株式会社豊田自動織機 | Air jet weaving machine weft insertion device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2681676B2 (en) * | 1988-12-07 | 1997-11-26 | 津田駒工業株式会社 | Deformation remedy device for deformed reed for air jet loom |
| JP2670827B2 (en) * | 1988-12-28 | 1997-10-29 | 津田駒工業株式会社 | Weft insertion abnormality detection device for fluid jet loom |
| ITVI20050169A1 (en) * | 2005-06-09 | 2006-12-10 | Smit Spa | AIR SUPPLY AND CONTROL DEVICE FOR THE PNEUMATIC TRANSPORT OF THE PLOT IN AIR-BLOWING MACHINES |
| CN2898072Y (en) * | 2006-05-31 | 2007-05-09 | 江苏万工科技集团有限公司 | Air inlet device of air jet loom |
| CN1932106B (en) * | 2006-06-15 | 2011-03-30 | 江苏万工科技集团有限公司 | Pneumatic and electric controller for wefting slot airflow detector |
| DE502008002034D1 (en) * | 2007-02-02 | 2011-02-03 | Itema Switzerland Ltd | Method and device for introducing a weft thread into a loom |
-
2008
- 2008-10-22 BE BE2008/0581A patent/BE1018324A3/en not_active IP Right Cessation
-
2009
- 2009-10-20 CN CN200980141857.2A patent/CN102203334B/en active Active
- 2009-10-20 EP EP09744953.2A patent/EP2352869B1/en active Active
- 2009-10-20 WO PCT/EP2009/007515 patent/WO2010046092A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820921A (en) * | 2012-11-16 | 2014-05-28 | 株式会社丰田自动织机 | Apparatus for showing compressed air flow rate in an air jet loom |
| CN103820921B (en) * | 2012-11-16 | 2016-02-17 | 株式会社丰田自动织机 | For showing the equipment of the compressed air require in air-jet loom |
| CN104562392A (en) * | 2013-10-29 | 2015-04-29 | 株式会社丰田自动织机 | Device for controlling air pressure within air-jet loom |
| CN104562392B (en) * | 2013-10-29 | 2016-08-24 | 株式会社丰田自动织机 | The equipment of the compressed air pressure in controlling air-jet loom |
| CN107034576A (en) * | 2015-10-12 | 2017-08-11 | 株式会社丰田自动织机 | The Weft insertion controller of air-jet loom |
| CN107034576B (en) * | 2015-10-12 | 2018-11-02 | 株式会社丰田自动织机 | The Weft insertion controller of air-jet loom |
| CN105544068A (en) * | 2016-01-20 | 2016-05-04 | 吴江市日春纺织机械有限公司 | Water supply weft insertion device of water jet loom and water supply method thereof |
| CN105544068B (en) * | 2016-01-20 | 2018-05-04 | 吴江市日春纺织机械有限公司 | The water supply Weft inserting device and its method of supplying water of a kind of water-jet loom |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2352869A1 (en) | 2011-08-10 |
| CN102203334B (en) | 2013-06-19 |
| WO2010046092A1 (en) | 2010-04-29 |
| BE1018324A3 (en) | 2010-09-07 |
| WO2010046092A8 (en) | 2011-06-23 |
| EP2352869B1 (en) | 2013-11-27 |
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Effective date of registration: 20211105 Address after: No. 2, Song Zhuang Road, Suzhou Industrial Park, Jiangsu Patentee after: Bijiale (Suzhou Industrial Park) Textile Machinery Co.,Ltd. Address before: Belgium Ipanema Patentee before: PICANOL |
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