CN1816739A - Microwave resonator, textile machine comprising a resonator of this type, and a dielectric for this resonator - Google Patents
Microwave resonator, textile machine comprising a resonator of this type, and a dielectric for this resonator Download PDFInfo
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- CN1816739A CN1816739A CNA2004800189592A CN200480018959A CN1816739A CN 1816739 A CN1816739 A CN 1816739A CN A2004800189592 A CNA2004800189592 A CN A2004800189592A CN 200480018959 A CN200480018959 A CN 200480018959A CN 1816739 A CN1816739 A CN 1816739A
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- insulator
- fibrous material
- microwave
- microwave resonator
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- 239000004753 textile Substances 0.000 title claims abstract description 16
- 239000002657 fibrous material Substances 0.000 claims abstract description 81
- 238000013461 design Methods 0.000 claims abstract description 6
- 239000012212 insulator Substances 0.000 claims description 104
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 21
- 239000010410 layer Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 15
- 238000009960 carding Methods 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000004425 Makrolon Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 27
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 8
- 240000002853 Nelumbo nucifera Species 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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- 230000008859 change Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
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- 238000003908 quality control method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- 238000004078 waterproofing Methods 0.000 description 1
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Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
- D01G31/006—On-line measurement and recording of process and product parameters
-
- 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
- D01H13/32—Counting, measuring, recording or registering devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/365—Filiform textiles, e.g. yarns
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Treatment Of Fiber Materials (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to a microwave resonator for or on a textile machine for connecting to a measuring device serving to measure the weight and/or moisture of fibrous material (FB) continuously conveyed through the resonator space (31; 331; 431; 531). The aim of the invention is to design the resonator in order to improve the measuring accuracy. To this end, the invention provides different advantageous embodiments of at least one electrically non-conductive dielectric (60; 160, 161; 303, 307; 403, 407; 503; 603, 607) for placement in the resonator space (31; 331; 431; 531).
Description
Invention field
The present invention relates to be connected to the microwave resonator that is used to measure mass of fibre material and/or moisture instrument, wherein fiber passes through the conveying of resonator chamber continuously and relates to the textile machine that comprises the type microwave resonator.
Background technology
In textile industry, the measurement of fibre property is a necessary precondition for high-quality textile production.For example, the quality of measuring converted top is necessary, in particular for regulating and control purpose and compensate the variation of preparing to enter in the spinning preliminary machine converted top one or more.Equally, for the quality control purpose material of machine output is carried out the measurement of same-type.Beyond above said quality control, also can adopt the converted top quality (sectional area of converted top, or generally be also referred to as the thickness of sliver; These nouns can be understood as equal in the context of the present specification) measurement so that (explanation can not obtain high-quality product) shutdown when the quality of the measurement overshoot of output material or thickness limit.
In the past, adopt mechanically actuated formula sensor to determine the quality or the thickness of converted top at large.The measurement by capacitance sensor also is well-known.On the contrary, adopt the microwave technology representative to measure the new method of converted top quality.In the method, result from the microwave in the microwave generator, its frequency can change under computer control within the specific limits, is connected to the resonator chamber of microwave resonator, and the fibrous material that requires to measure is continuously by this resonator.According to moisture in the fiber, moisture standards in the quality of sliver and the sliver on certain feature microwave frequency resonance signal takes place, and this frequency can be used for estimating the quality and the moisture of sliver by computing machine after drawing chamber.The method of type can be used for others like this, for example once describes in EP 0468023 B1, and its disclosure is quoted from expressly at this.Specifically, utilize the advantage of the measuring process of microwave to be and highly precisely to carry out untouchable measurement like this for fibrous material.Can avoid the mechanical disturbance of sliver, and avoid because the measurement inexactness that mechanical measurement element inertia causes.
Have been found that with resonator with therein by the relevant variety of issue of fibrous material interaction.Problem occurs in the selection of converted top institute contact material especially, when perhaps converted top guiding is by the hollow resonator the part of process; These problems cause measuring out of true and unstable and make the measurement drift.
Summary of the invention
The present invention seeks to improve the microwave resonator that is used for measuring fibrous material thickness, quality and/or moisture by wherein.
This purpose is the microwave resonator that is used in when beginning type of describing, and feature by independent claims 1,10,11,12 and 14 obtains.In addition, this purpose can satisfy its requirement with the textile machine that comprises such type resonator.The feature that also has is that task of the present invention provides the dielectric that is used for such resonator.
According to first feature of the present invention, resonator has one or more parts of a dielectric (nonconducting volume in other words)-have-and be constructed to and prevent to absorb moisture at least.This is because find, owing to absorb the result of moisture, particularly in that the moisture in the resonator element on the barrier between the fibrous material that passing through and the hollow resonator other parts is provided, can not obtain sufficiently stable measurement.Specifically, according to the moisture that insulating part absorbed of those barrier elements or element or guiding converted top, observed the drift of resonance signal.This is because the following fact; Because with respect to fibrous material (for the ε=2-3), glassware for drinking water has higher dielectric constant (ε=80), even absorb very small amount of moisture, for example in 0.05% scope, also can produce 40 times of errors, i.e. 2% scope up to amplitude in the measuring accuracy (80/2).But, for example in check drawing frame, measuring accuracy requires the scope 0.1%.
According to this discovery, and, in the zone that fibrous material passes through, construct an insulator at least by this way, promptly prevent to absorb moisture in fact fully according to the present invention.Such design keeps accurately resonance signal and provides about sliver quality, its thickness and/or about the significant information of textile material moisture, even in the long term.
Have been found that effective especially, if the rarest insulator is at least in polishing of the cross section that contacting with fibrous material or polishing.Such technology can prevent that fibrous material from absorbing moisture, especially by the minute crack in the insulating material.Can prevent that also the moisture of significance degree enters in the surrounding environment.Therefore, the preferably whole exposed surface polishing or the polishing of insulating material.
A kind of favourable material is that its surface can be polished or polish, and segmentation is carried out at least, and wherein pottery is a representative materials.Have been found that such processing can reduce the absorption of moisture, and therefore cause more accurately and reliably measuring.
The another kind of material of a minimum insulating part can be cloned (Makrolon ) by mould and is provided.This synthetic polymer also has been found that in the present invention as a kind of suitable barrier and the induction element of insulator.The mould clone also has relatively economic advantage.On the other hand, the mould clone can not resist wearing and tearing on desired degree, and therefore suggestion applies (seeing below) with pottery or analog material.
The another kind of method of a minimum insulating part is to use the plastic hybrid manufacturing, and this potpourri can provide desired utmost point low degree or not absorb the character of moisture.
In a kind of particularly advantageous embodiment of the present invention, at least two electrical insulation parts form according to insulating part of the present invention jointly with the interlayer arranged in form.By guiding fibrous material with contacting of this two-layer at least part combination one side.The interlayer of form is arranged and is had the following advantages like this: towards fibrous material cell mesh in addition, therefore advantageously towards the resonator chamber that seals, can (for example for example have preferable insulating property (properties), when in the gigahertz frequencies scope, operating, it can have in 10 ℃ to 100 ℃ scopes temperature independent substantially dielectric constant and insulation loss factor), and can guarantee to prevent to absorb moisture towards the cell mesh of fibrous material according to the present invention.Therefore needn't seek separately to provide and satisfy the insulating material best in quality that each side requires.
From such viewpoint advantageous embodiment, to form by plastics towards the cell mesh of fiber outside, its top is provided with a covering towards fiber.Alternately, should can make with pottery, also place covering in the above towards the cell mesh of fibrous material outside.Capping unit all advantageously generates most the moisture seal layer in both cases, advantageously makes with plastics or pottery.This one deck also can polish or polish.According to preferable embodiment, the suitable material of ceramic layer can be mainly by aluminium oxide (Al
2O
3) constitute, its degree is more than 95%, and preferably is 98%.According to another preferable embodiment, principal ingredient can be a silicon nitride, and preferably is Si
3N
4-Y
2O
3In the situation of plastic layer, can adopt polycarbonate to make.
The sealant that prevents moisture can form thin layer or sheet, this means in the situation of a kind of minimum insulator in back to be formed by two cover porcelain plates that are arranged as interlayer.According to above said, can take also mainly to comprise that towards the cell mesh of fibrous material the waterproof aluminium oxide maybe may be the sheet form of silicon nitride.
Even when not having to adopt at least two sandwich-like layout, insulator (wherein having at least) still can mainly be made of aluminium oxide or silicon nitride.
According to second feature of the present invention, in the hollow resonator of microwave remote sensor, the dielectric constant of a minimum insulator and/or insulation loss factor are essentially constant in measurement range, in kilo-mega cycles per second (GHz) scope of frequency spectrum.If an insulator is set up in the combination of the part of the such type of some, for example adopt above-described sandwich structure, its combined insulation constant, or its insulation loss factor are essentially constant in above-mentioned scope.It is suitable that said frequency range typically is the 1-10 kilo-mega cycles per second for the resonance signal measurement of fibrous material.Because can change frequency in suitable frequency range so that measure its resonant frequency, if therefore insulating property (properties) is in this frequency range, special on the waveband width of measurement range, it is favourable remaining unchanged substantially.
In addition, have been found that it is crucial that a minimum insulator is out of shape indistinctively in temperature variation according to the 3rd feature of the present invention.In other words, the material coefficient of thermal expansion coefficient of a minimum insulator should be as much as possible little.This is will cause resonant frequency to measure out of true because have been found that distortion.Preferably thermal expansivity in 10 ℃ to 100 ℃ scopes approximately less than 10; Better less than 5.
According to the 4th feature of test, the position of at least one insulator relies on the wall of resonator, and that the thermal expansivity of two elements has basically is onesize.Such layout means, (does not wish) in the situation of thermal expansion, and the shear stress of generation is owing to the high shear strength between each layer is suppressed.
According to the 5th feature of the present invention, the thickness of a minimum insulator, perhaps in the situation that some insulators are worked together, be total thickness in the zone that fibrous material passes through, should select in such a manner, make the spatial resolution of microwave resonance signal (also by the frequency of operation decision) not be worse than about 1-2 centimetre.The resonator of operation utilizes hollow chamber in about 2-3 kilo-mega cycles per second (GHz) frequency range, might obtain to have the focusing that is approximately 1 centimetre of spatial resolution microwave field by means of one or more insulators with above-mentioned thickness.To produce worse significantly spatial resolution if can not realize the characteristic (physical size, running frequency) of such focusing resonator.
In the situation about running on common machine, the dielectric constant of a minimum insulator is advantageously less than 20, and preferably less than 10; In addition, preferably temperature independent.Less dielectric constant is favourable, though material is selected through careful, the variation of temperature and frequency is still influential for dielectric constant.In such cases, little dielectric constant only causes less deviation in resonance signal, and the result makes resonance signal still have desired precision.
In the preferable embodiment of above said the present invention, a minimum insulator comprises the resonator chamber, is in particular to prevent that dust or loose fibres from infiltrating the chamber of this hollow, wherein may change the resonant frequency interference measurement results.
Propose as above, a minimum insulator can preferably design and locate and fibrous material is guided passively by the resonator chamber.According to above said, at least a portion of a minimum insulator forms induction element.Like this, might if remaining resonator chamber is suitably closed,, and on the other hand, fibrous material accurately be guided by the resonator chamber on the one hand so that prevent loose fibres and dust.In addition, suitably select material (seeing above) can obtain the focusing of microwave field, so that space orientation is 1-2 centimetre precision.
A preferably minimum insulator is along the transportation route location of fibrous material by resonator.For example, in this sample loading mode, can make material, extend to outlet from the resonator import with the space between the form covering resonator both sides of bridge or net.
Utilize in the specific embodiments of this feature in the present invention, microwave resonator mainly is made up of hollow, parallel semicolumn, and a space is wherein arranged, and fibrous material is in the horizontal direction transportation of cylinder axis between this.At this, resonance wall portion is become by the dish of the shaped form on the semicolumn edge, and the semicolumn stop surface that faces one another (preferably for straight) is formed by the parallel dielectric that faces one another, and a space is wherein arranged, and pass through fibrous material between them.
The embodiment of the type is characterised in that a minimum insulator is one or more rectangle pipes, its both ends open.
Export at drawing frame especially, form smooth, hollow circuit cylinder that the resonator chamber can be taked, its edge laterally is (opposite with above-mentioned two semicolumns) of sealing for the converted top transporting direction.In this embodiment, fibrous material passes through the hollow cylindrical chamber in the longitudinal axis direction.Correspondingly, a minimum insulator also extends along the transporting direction of fibrous material, and preferably forms independent or a plurality of cylindrical tubes, its both ends open.The inlet openings that extension can be arranged here preferably is taper.In this case, fibrous material can give compression to a certain degree, prepares to enter a pair of calender roller subsequently.The embodiment of form may be favourable like this, for example, if having only independent converted top, because the round section of pipe can be regulated by the cross section of converted top by resonator.But, in the dimensional measurement scope, pipe section preferably has cylindrical form.
Resonator described above is passable, for example, is used in the outlet of drawing frame or accepts the drawing frame import of independent sliver from the front carding machine.
Because pipe preferably is designed to and can exchanges, and is possible, for example, select to have the pipe that changes internal diameter according to the thickness of sliver.Estimation picks out to regulate and cooperates in use that the microwave signal of pipe is suitable.But, to readjust be unnecessary to the software for calculation of type like this, if select the quality of different pipes in the microwave overlay area, makes it very approaching.This requires suitably to select the geometric configuration of pipe.
Embodiment described above relates to a kind of situation, wherein has only a pipe by the resonator chamber, this means that the external diameter of relevant pipe is identical, even its internal diameter is changing.In another embodiment, two tubes is set at least, wherein interior pipe is among the outer tube, contacts or does not contact, and for example is pushed into wherein.Fibrous material is by interior pipe.In this case, the interior pipe exchange ground that also may have a different inner diameters uses in the outer tube of same external diameter preferably.Outer tube is mainly used to other part cleaning as pipe in accepting and maintenance resonator, preferably is arranged in the resonator bump pad of the outside, edge that for example is draped by rights.In this embodiment, for the resonance signal computational accuracy of pipes in different also can or by readjusting software for calculation and/or in the microwave overlay area, arranging interior pipe with same quality.
According to the 6th feature of the present invention, one or more insulators preferably are stupalith, charge into the resonator chamber basically.The insulator outside is surrounded by conductive layer or wall, so that microwave field is developed in the inner space.Replace air because the resonator chamber comprises pottery or other suitable material now, might improve spatial resolution or set up very compact resonator.According to the embodiment of utilizing this method, resonator comprises two half-cylindrical insulators, passes through fibrous material between them.
In addition, be noted that insulator preferably can be resisted wearing and tearing according to an independent feature of the present invention, at least in one side, so that opposing is because the wearing and tearing that produce with fiber friction towards fibrous material.This can be favourable by selecting suitable material to obtain, for example the pottery that mainly is made of aluminium oxide.
The present invention is relevant for textile machine equally, the carding machine, drawing frame or the combing machine that one of particularly have at least once in the microwave resonator of discussing.Equally, the present invention also comprises the insulator that specifically is used for these microwave resonators.Other machine and the apparatus that also can be used in addition, relevant weaving department according to microwave resonator of the present invention.
The Characteristics of Development that the present invention also has will be described in appended claims.
Description of drawings
Below, the present invention will make an explanation by means of accompanying drawing in more detail:
Fig. 1 is the microwave resonator according to first embodiment, according to the sectional view of I-I line among Fig. 2;
Fig. 2 a, 2b, 2c are side-looking, longitudinal profile and the top view of microwave resonator pipe;
Fig. 3 dwindles view (fine hair guiding nozzle is removed) for the ratio of microwave resonator among Fig. 1;
Fig. 4 is according to the microwave resonator of second embodiment (as the same view of Fig. 1);
Fig. 5 is the microwave resonator top view according to the 3rd embodiment;
Fig. 6 is microwave resonator side cutaway view among Fig. 5 (along a converted top FB transporting direction vertically the vertical section by resonator);
Fig. 6 a is the insulator sectional view of sandwich structure;
Fig. 7 is according to the rear view of Fig. 5 and 6 microwave resonators (along the section of I-I line among Fig. 5);
Fig. 8 is according to the microwave resonator of the 4th embodiment (as the same view of Fig. 5);
Fig. 9 is the exploded view according to the 5th embodiment microwave resonator;
Figure 10 is the microwave resonator according to the 6th embodiment.
Embodiment
The sectional view and the top view that show first example of microwave resonator 30 embodiments at Fig. 1 and Fig. 3.Resonator 30 is arranged in plate shape carrier module 21.For this purpose, in illustrated embodiment, carrier module 21 has central recess 32, as shown in Figure 3, takes cylindrical shape.At the top of recess 32 separating element 46 is set; In illustrated embodiment, it takes smooth cylindrical plate shape, and has bolt hole 36a at its edge, they and hole 36b aligning corresponding on carrier module 21.As shown in Figure 3, hexagon head bolt 36 can screw in these holes 36a, 36b, and they respectively have internal thread, (does not show bolt in Fig. 1) so that separating element 46 is fixed on the carrier module 21.In an alternative scheme (not illustrating with figure), separating element 46 can be engaged in the carrier module 21, and parallel with the end face of carrier module 21.
The separating element 46 that is placed on recess 32 tops is set up resonator chamber 31 for microwave resonator 30, closes element 58 microwaves by means of lotus root and injects in this chamber, can penetrate from the chamber and close element 59 by means of lotus root, sees Fig. 3.These lotus roots close element all can, for example, take the form of rod-shaped elements 58,59, by respective aperture in separating element 46 from outside outstanding entering in the resonator chamber.Inside lotus root is closed element 58 and is connected to microwave generator 56 (schematically showing) by cable 57, and its frequency can change by means of the control module (not shown), and this unit preferably is a microprocessor.Outside lotus root is closed element 59 and is connected in the computing unit (not shown) by cable 55 successively.Outwards lotus root is closed element 59 and is received in the microwave signal that takes place in the resonator chamber 31, and it is transmitted computing unit in case the decision resonant frequency with in the relevant deration of signal in the time in succession subsequently.On the basis of this information, can determine the quality or the thickness of sliver, perhaps pass through resonator chamber 31 sliver moisture constantly.
Take to be essentially hollow cylindrical and insert in the resonator chambers 31 by the insulator 60 that non-conducting material is made the conduit form.Insulator 60 is presented among Fig. 2 a-2c more accurately, has jut at its each end, and it is positioned in the opening of separating element 446 together with this jut on one side, and is in the opening of carrier module 21 at another side.Converted top FB only is schematically depicted as the arrow form, and is straight by resonator chamber 31, then by having the sliver funnel 26 of nozzle form end part, directly enters two compression slots between the calender roller 11,12 subsequently.Sliver funnel 26 is by the annular ring clamping in carrier module 21, and has annular groove for this reason.
Conduit or insulator 60 are made by dielectric constant in the frequency spectrum kilo-mega cycles per second zone in measurement range or all constant basically material of insulation loss factor.In addition, dielectric constant or insulation loss factor remain unchanged in the temperature range (typically between 20 ℃ and 70 ℃) that runs on the common machine basically.This means when resonator 30 is idle, i.e. insertion from the end of sliver output to new converted top, though interval time length, resonant frequency seldom changes, and therefore microwave remote sensor does not need to implement to recalibrate.
According to a feature of the present invention, insulator 60 is so constructed, and makes its distortion indistinctively under influence of temperature variation, promptly has low thermal coefficient of expansion.In addition, the material of insulator 60 preferably is wear-resisting type.
According to the feature that the present invention also has, insulator 60 is constructed to and can prevents to absorb moisture.Can adopt various technology to reach this purpose.In a kind of technology, towards insulator 60 surface finish or the polishing of inside so that prevent from environment or converted top FB in absorb moisture by crack small in the material.Have been found that and have aluminium oxide (Al
2O
3) be the suitable material that reaches this purpose as the stupalith of principal ingredient.
If correctly select, also can adopt material undressed, anti-moisture.Has aluminium oxide (Al
2O
3) can unprocessedly use as the stupalith of principal ingredient.Also may adopt in some cases such as silicon nitride Si
3N
4-Y
2O
3Pottery.
Have been found that aluminium oxide (Al
2O
3) wearing and tearing are also had resistibility, and have in addition under common service condition and on the survey frequency in the about 1-10 kilo-mega cycles per second scope less than 10 dielectric constant.At about 20-100 ℃ temperature range internal linear expansion coefficient also less than 10, and at Si
3N
4-Y
2O
3Situation be not more than 3.
As seen, fine hair guiding nozzle 23 is positioned at separating element 46 tops in Fig. 1, and separating element has the hole 70 of the fine hair nozzle insert 24 that is provided with by the clamping of centralized positioning pin (not shown).In the one side towards insulator or conduit 60, the edge of opening of fine hair nozzle 24 is made fillet, so that unlikely damage conduit 60 when guaranteeing that converted top FB inserts.Fine hair guiding nozzle 23 so that so mode is hinged, can pivot it in the double-head arrow direction, at carrier module especially when sliver stops up in nozzle.
Separating element 46 adheres to first electrical-heating film 80 in the one side towards resonator 30 outsides, and the second heating film 85 is attached to the opposite of carrier module 21, and outside.Two heating films 80,85 are connected to the thermal source that does not show by line 81,82 or 86,87.The power of heating preferably is controlled, so that remain on 70 ℃ (for inlet sensors greatly about 35 ℃) in the outlet of illustrated sensor.For this purpose, should dispose a temperature measurement unit (not shown); They can be arranged on, and for example, are arranged in one or more holes of carrier module 21 1 sides and extend near the resonator chamber 31.The heat insulation sheath can be set surround, for example, whole carrier module (the suitable opening with fibrous material) so that prevent influence of temperature variation in the environment, also can be avoided heat-energy losses simultaneously.
Can implement by the part that surrounds resonator chamber 31 with the made of low thermal coefficient of expansion as temperature controlled additional or alternative measure, for example, have the steel of high proportion of nickel composition, be preferably the N136 steel, for example be Invar steel.
The inwall of resonator 30 can have the coating of conduction, and hypoxemia copper for example is because separating element 46 and 21 of carrier modules have relatively low conductance.There is not such conductive coating that the microwave resonance of enough signal intensities not necessarily can take place.For preventing the corrosion of coating, can lay additional corrosion-resistant finishes at the top, for example be gold or silver.Alternately, can adopt pottery or comprise the pottery compound substance as coating or coverture.
The resonator 30 that has insulator 60 can be advantageously provided after drawing frame.The villus fiber that leaves drawing frame forms sliver FB, inserts resonator 30 then.Scheme as an alternative, resonator 30 can be arranged between carding machine and the drawing frame, and the fibrous material that leaves carding machine in this case just enters drafting part in drawing frame without relay storage.
Fig. 4 illustrates another embodiment according to microwave resonator of the present invention, and unique difference of itself and Fig. 1 and Fig. 3 is to adopt two pipes of arranging with one heart as insulator 160,161, promptly in pipe 160 and outer tube 161.In pipe or internal insulator 160 identical with according among Fig. 2 a-2c basically, outer tube or outer insulator 161 are short and be installed on ladder annular incision 163 in separating element 46 or the carrier module 21.When internal insulator 160 exchanges, outer insulator 161 can prevent that dust or moisture from infiltrating the non-central zone of resonator chamber 31, and its result can save the corrosion-resistant coating on the resonator inwall.When employing had the internal insulator of different inner diameters, pipe 160 was favourable in the exchange, for example when the fiber of present changes.In such situation, the total quality of inside and outside insulator 160,161 is essentially constant in the microwave coverage in resonator chamber 31, because the resonant frequency when idle in this case remains unchanged, and does not need to recalibrate.The inwall of outer tube 161 preferably is a water proofing property, for example eliminates small crack and/or by laying water-resistant layer (such as Al by polishing or polishing
2O
3).
Fig. 5-7 illustrates another microwave resonator 100 (not having microwave generator in the demonstration), and its place ahead is provided with funnel 316 and calender roller 335,336, and wherein a pair of calender roller is extracted a converted top FB out at least by funnel 318 and resonator 300.Converted top FB in Fig. 5 and Fig. 6 (wherein having one at least) is only represented by arrow; Converted top FB is expressed as the cross section of a large amount of individual fibers combinations in Fig. 7.They preferably are connected to each other by resonator 300 if the fiber FB of some carries.Fig. 7 does not illustrate funnel 318 or calender roller 335,336.Cylinder 335,336 also can be used as the haulage drum of drawing frame, makes them carry out dual-use function (carrying by resonator and traction).
Also may not adopt funnel 318 and adopt other sliver induction element, such as vertical and/or horizontally disposed offset arm, the latter also can, for example, have the arcs of recesses guiding surface when entering resonator so that a minimum converted top FB aims at.In addition, calender roller 335,336 can curve the angle of 90 ° or any other requirement.
Resonator has the semicolumn 301,305 of two sealings, hollow, is separated by slit 310, and wherein the outer wall 302,306 of semicolumn 301,305 is made for metal.Inner wall structure towards converted top FB is an insulator 303,307 in the present invention.The material of these sheet-like insulator 303,307 preferably by, for example, principal ingredient is that the material of aluminium oxide or other suitable material constitute, and is wherein above still effective about the explanation of conduit 60.Microwave resonance takes place in the internal resonance device chamber between wall portion 302,306.The thickness of insulator 303,307 is so selected, and makes the position resolution of microwave resonance signal not be worse than about 1-2 centimetre.Equally also be applicable to design according to the insulator 60,160,161 of embodiment among Fig. 1-4.
Sheet-like insulator 303,307 advantageously is designed to and can exchanges, and easily for example changes in situation about damaging.For example, if insulator 303,307 is glued at the side of resonance wall 302 or 306, they still can relatively easily be changed later in cleaning bonding agent position.
Fibrous material FB passes through along the fillet 309 of resonance wall 303,307 passively, and further advances along insulator 303,307, sees Fig. 7.Because the interior zone of semicolumn 301,305 seals for surrounding environment, therefore can not allow dust, loose fibres etc. enter.Lotus root is closed microwave and advances 358 and go out 359 element and infiltrate these interior zones, but illustrates in Fig. 6 for for the purpose of clear.
The direction that airflow 350 is moved in converted top or converted top FB both sides with converted top is passed slit 310; This is expressed as dotted line in Fig. 3 and Fig. 4, and is expressed as circle in Fig. 5, wherein is painted with cross (direction of airflow is to leave the observer).Airflow or a fluid stream 350, they also have several along the resonator width distribution, can carry out several functions.On the one hand they guarantee that the Temperature Distribution in slit 310 is even basically, and they can prevent on the other hand, particularly, and in the outlet of resonator 300 and/or to the fiber accumulations of calender roller 335,336 transition positions on insulator 303,307.Such fiber accumulations will be twisted the effect of resonator 300, thereby cause measuring out of true.
As similar what consider aspect the insulator 60,160, insulator 303,307 can polish or polish, and enters so that prevent moisture in the one side towards converted top FB at least.It is effective at this equally more than to relate to other explanation of selecting about material.
In addition, also be favourable if insulator 303,307 is made from the interlayer of some or part, as among Fig. 6 a shown in the enlarged drawing.Accessory constituent towards individual hollow semicolumn 301,305 can have best insulating property (properties) at this, such as in the gigahertz frequencies scope, and constant basically dielectric constant and constant basically insulation loss factor when temperature variation.
The embodiment that is noted that all insulators of illustrating in the drawings can constitute with two-layer or more interlayer.
Embodiment according to the microwave resonator 400 of Fig. 8 (is represented as the section in Fig. 6, its forward and backward element all omits) be different from that the shown insulator 403,407 that is extends on the whole delivered length of fiber FB by resonator 400 among Fig. 5-7, and on its import and endpiece 409, make fillet, so that avoid fibrous material to turn to suddenly.Resonance wall 402,406 is smooth area supported in the present embodiment, in the above can advantageously bonding insulator 403,407.Insulator 403,407 can be with constituting as insulator 303,307 same materials and handling with quadrat method.
Fig. 9 shows the exploded view of microwave resonator 500 embodiments, and this resonator has two resonance walls 502,506 according to the present invention, and is in the insulator 503 between them, preferably is made of stupalith.Resonator 500 also has two hollow semicolumns 501,505 that separated by insulator 503 thickness, and they form resonator chamber 531 together with insulator 503.Insulator 503 is on the surrounding edge of associated wall portion 502,506, and the latter can connect with bolt by means of the hole that schematically shows.Insulator 503 advantageously has the import and the outlet edge 509 of fillet.Do not show that in Fig. 9 antenna connects.
Figure 10 illustrates half according to another embodiment of microwave resonator 600 of the present invention.This resonator has two insulators 603,607 that are shaped as semicolumn, and preferably constitutes with stupalith, passes through fibrous material FB between them, as the resonator in Fig. 5-9.Curved outer surface at insulator 603,607 is laid conductive layer, for example is made of copper.In alternative scheme, adopt the metallic walls of rigidity to replace coating.Coating or wall can add etch-proof protective seam on the outer surface, such as the copper layer; This coating is not an imperative, because microwave field takes place in resonator 600 inner spaces.Insulator 603,607 comprises antenna junction 608a, 608b, so that lotus root is closed the microwave turnover.Prevent that the measure that moisture enters from preferably taking (polishing, polishing, coating etc. see above) in the one side towards fibrous material.
By surrounding the resonator 600 of two solid insulators 603,607 (each insulator has conductive layer or a wall in its outside), microwave field can fibrous material by with the zone of measuring in focus on several millimeters.Adopt the spatial resolution of the resonator acquisition of such type therefore can be increased to, because of it comprises air rather than solid insulating material above the resolution among Fig. 5-9.In addition, the structure of resonator is because it can be very compact according to design of the present invention.
Relevant with other microwave resonator the explanation about material type and possible surface-treated described above also can be applied to insulator 603,607.Insulator 603,607 therefore can, for example, constitute by the semicolumn of bigger stupalith or solid plastic, its dielectric constant is stable and low as much as possible for temperature and frequency, they for waterproof and mainly be wear-resisting aluminium oxide ceramics layer.
In the said embodiment, have surface in contact between insulator and resonance wall more than all, they advantageously are used as, at least a portion, adhesive surface.Preferably adopt bonding agent at this with less absorption moisture tendency.According to a feature of the present invention, the thermal expansion of a minimum insulator and a minimum resonance wall has closely similar amplitude, consequently at insulator and the resonance unlikely relative shear stress that causes crack and leakage (thereby make reading incorrect) between the wall.
In addition, if certainly the loss that takes place in a minimum non-conductive insulator according to the present invention with according to each feature of the present invention is low as much as possible, be exactly that insulator is as much as possible near desirable insulator.
Have the microwave generator of describing microwave resonator can, for example be applied on the framework with drawing frame of being regulated or not regulated.On the drawing frame of being regulated, microwave remote sensor both can be arranged on the drawing frame front also can be in the back.This invention for example, can be used on carding machine or combing machine without restriction.
Claims (30)
1. microwave resonator, particularly carding machine, drawing frame or a combing machine that is used for or is contained on the textile machine is used for connecting the surveying instrument of measuring fibrous material (FB) quality and/or water cut, and this fibrous material is continuously by resonator chamber (31; 331; 431; 531), it is characterized in that, pass through resonator (30 at fibrous material (FB) at least; 300; 400; 500; 600) be provided with at least in the zone insulator (60 maybe can be set; 160,161; 303,307; 403,407; 503; 603,607), and their so structure so that prevent to absorb moisture.
2. according to the microwave resonator of claim 1, it is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) the polished or polishing of contact with fibrous material (FB) at least one section is so that prevent to absorb moisture.
3. according to the microwave resonator of claim 2, it is characterized in that, have a minimum insulator (60 of polishing or polishing section; 160,161; 303,307; 403,407; 503; 603,607) constitute by stupalith.
4. according to the microwave resonator of one of above claim, it is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) make by Makrolon .
5. according to the microwave resonator of one of above claim, it is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) make by plastic hybrid.
6. according to the microwave resonator of one of above claim, it is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) constitute by the non-conductive part (307a, 307b) of at least two interlayer forms, and guide along the contact of one of at least two parts (307a, 307b) at this place fibrous material (FB) and to pass through.
7. according to the microwave resonator of claim 6, it is characterized in that the sandwich construction of insulator (307) comprises that a plastic part (307a) and one are placed on the former top and towards the cap piece (307b) of fibrous material (FB).
8. according to the microwave resonator of claim 6 or 7, it is characterized in that the sandwich construction of insulator (307) comprises that a ceramic part (307a) and one are placed on the former top and towards the cap piece (307b) of fibrous material (FB).
9. according to the microwave resonator of claim 8, it is characterized in that capping unit (307b) is taked the form of sealant, preferably is ceramic layer, preferably mainly be made of aluminium oxide or silicon nitride in this case, perhaps the plastic layer of polycarbonate constitutes by for example comprising.
10. microwave resonator that is used for or is contained on the textile machine, particularly carding machine, drawing frame or combing machine, and especially according to one of front claim, be used for connecting the surveying instrument of measuring fibrous material (FB) quality and/or water cut, this fibrous material is continuously by resonator chamber (31; 331; 431; 531), it is characterized in that, pass through resonator (30 at fibrous material (FB) at least; 300; 400; 500; 600) be provided with at least in the zone insulator (60 maybe can be set; 160,161; 303,307; 403,407; 503; 603,607), its dielectric constant and/or insulation loss factor are constant basically in the measurement range in kilo-mega cycles per second zone.
11. microwave resonator that is used for or is contained on the textile machine, particularly carding machine, drawing frame or combing machine, and especially according to one of front claim, be used for connecting the surveying instrument of measuring fibrous material (FB) quality and/or moisture, this fibrous material is continuously by resonator chamber (31; 331; 431; 531), it is characterized in that, pass through resonator (30 at fibrous material (FB) at least; 300; 400; 500; 600) be provided with at least in the zone insulator (60 maybe can be set; 160,161; 303,307; 403,407; 503; 603,607), and under influence of temperature variation and distortion (low thermal coefficient of expansion) indistinctively.
12. microwave resonator that is used for or is contained on the textile machine, particularly carding machine, drawing frame or combing machine, and especially according to one of front claim, be used for connecting the surveying instrument of measuring fibrous material (FB) quality and/or moisture, this fibrous material is continuously by resonator chamber (31; 331; 431; 531), it is characterized in that, pass through resonator (30 at fibrous material (FB) at least; 300; 400; 500; 600) be provided with at least in the zone insulator (60 maybe can be set; 160,161; 303,307; 403,407; 503; 603,607), their contiguous at least resonance walls (21,46; 302,306; 402,406; 502,506), a wherein minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) and minimum one resonance wall (21,46; 302,306; 402,406; 502,506) thermal expansivity is essentially same amplitude.
13. microwave resonator that is used for or is contained on the textile machine, particularly carding machine, drawing frame or combing machine, and especially according to one of front claim, be used for connecting the surveying instrument of measuring fibrous material (FB) quality and/or moisture, this fibrous material is continuously by resonator chamber (31; 331; 431; 531), it is characterized in that, pass through resonator (30 at fibrous material (FB) at least; 300; 400; 500; 600) be provided with at least in the zone insulator (60 maybe can be set; 160,161; 303,307; 403,407; 503; 603,607), thus at least one insulator (60; 160,161; 303,307; 403,407; 503; 603,607) total thickness is so selected, and makes the spatial resolution of microwave resonance signal not be worse than about 1-2 centimetre.
14. microwave resonator that is used for or is contained on the textile machine, particularly carding machine, drawing frame or combing machine, and especially according to one of front claim, be used for connecting the surveying instrument of measuring fibrous material (FB) quality and/or moisture, this fibrous material is continuously by resonator chamber (31; 331; 431; 531), it is characterized in that, the most of filling resonator of at least one solid insulator (603,607) chamber, and they are surrounded by conductive layer or wall, thus the microwave field that takes place in the resonator space is surrounded by this layer or wall.
15. the microwave resonator according to claim 14 is characterized in that, resonator (600) comprises two semi-cylindrical insulators (603,607), passes through fibrous material (FB) between the two.
16. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) dielectric constant, less than 20, and preferably irrelevant with its temperature basically when in machine typical case service condition.
17. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) dielectric constant when in machine typical case service condition less than 10, and preferably irrelevant with its temperature basically.
18. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) at resonator (30; 300; 400; 500) hollow region of inner sealing.
19. the microwave resonator according to one of aforesaid right requirement is characterized in that at least one insulator (60; 160,161; 303,307; 403,407; 503; 603,607) design and be set to guide passively fibrous material (FB) by resonator chamber (31; 331; 431; 531).
20. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (60; 160,161; 303,307; 403,407; 503; 603,607) the most of extension up to resonator from the resonator import exports.
21. microwave resonator according to one of aforesaid right requirement, it is characterized in that, resonator is mainly by two hollows, parallel semicolumn (301,305) form, have the space between them, carry in the direction transverse to cylinder axis with a row or multi-row fibers form by this space fibrous material (FB), wherein semicolumn (301,305) pass through said insulator (303,307 in the side that faces one another; 403,407) sealing.
22. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (303,307; 403,407) take plate-like shape and being arranged on along fibrous material (FB) by resonator chamber (331; 431) on the landline.
23. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (503) is taked the form of independent or a plurality of rectangle pipes, its both ends open.
24. the microwave resonator according to aforesaid right one of requires is characterized in that, resonator seals the resonator chamber (31) of a cylindrical and border seal basically, wherein can insert a minimum insulator (60 in its longitudinal axis direction; 160,161).
25. the microwave resonator according to one of aforesaid right requirement is characterized in that a minimum insulator (60; 160,161) take the form of independent or a plurality of cylindrical tubes, its both ends open.
26. the microwave resonator according to one of aforesaid right requirement is characterized in that the different pipes (60,160) that can alternately insert in the resonator chamber (31) are set, and wherein these pipes have same external diameter basically, but its internal diameter is different mutually.
27. the microwave resonator according to aforesaid right one of requires is characterized in that, minimum the two tubes (160,161) that can insert resonator chamber (31) simultaneously is set, and its middle external tube (161) surround in pipe (160).
28. the microwave resonator according to one of aforesaid right requirement is characterized in that, different pipes (60) or the pipe combination (160,161) that can alternately insert resonator chamber (31) have same basically total quality in the microwave overlay area.
29. a textile machine, particularly carding machine, drawing frame or combing machine is characterized in that, have a microwave resonator (30 according to one of above claim at least; 300; 400; 500; 600).
30. one kind is used for microwave resonator (30; 300; 400; 500; 600) insulator (60 according to above claim; 160,161; 303,307; 403,407; 503; 603,607).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10334144A DE10334144A1 (en) | 2003-07-01 | 2003-07-01 | Microwave resonator, textile machines with such a resonator and room unit for such a resonator |
| DE10334144.7 | 2003-07-01 | ||
| PCT/EP2004/051175 WO2005003747A1 (en) | 2003-07-01 | 2004-06-21 | Microwave resonator, textile machine comprising a resonator of this type, and a dielectric for this resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1816739A true CN1816739A (en) | 2006-08-09 |
| CN1816739B CN1816739B (en) | 2012-03-21 |
Family
ID=33521418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800189592A Expired - Fee Related CN1816739B (en) | 2003-07-01 | 2004-06-21 | Microwave resonator, textile machine comprising a resonator of this type, and a dielectric for this resonator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1816739B (en) |
| DE (2) | DE10334144A1 (en) |
| WO (1) | WO2005003747A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368303B (en) * | 2007-08-17 | 2011-12-14 | 特鲁菲舍尔股份有限公司及两合公司 | Apparatus on a combing machine for monitoring the noil percentage |
| CN105261816A (en) * | 2014-07-10 | 2016-01-20 | 立达英格尔施塔特有限公司 | Microwave cavity resonator and spinning preparation machine with same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006046713A1 (en) * | 2006-10-02 | 2008-04-03 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Instrument measuring weight per unit length or moisture of running fibrous strand before e.g. carding, combing or spooling, is based on microwave resonance |
| DE102006062339A1 (en) * | 2006-12-22 | 2008-07-03 | TRüTZSCHLER GMBH & CO. KG | Microwave resonator for or on a textile machine, esp. Carding machine, track, comber o. The like. |
| WO2013022104A1 (en) * | 2011-08-11 | 2013-02-14 | 王子製紙株式会社 | Apparatus for measuring moisture content amount and/or coating amount of coating layer of sheet-shaped base material |
| DE102013100644B4 (en) * | 2013-01-23 | 2020-04-30 | Rieter Ingolstadt Gmbh | Microwave resonator for a textile machine |
| TWI817720B (en) * | 2021-10-20 | 2023-10-01 | 桓達科技股份有限公司 | Tuning Fork Coupled Microwave Sensor |
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| US3967994A (en) * | 1974-10-09 | 1976-07-06 | Langberg Associates, Inc. | Method of inspection for splices used for joining webs in a manufacturing process |
| DE4004119A1 (en) * | 1990-02-10 | 1991-08-14 | Tews Elektronik Dipl Ing Manfr | METHOD FOR MEASURING THE HUMIDITY OF A MEASUREMENT WITH THE AID OF MICROWAVES AND DEVICE FOR IMPLEMENTING THE METHOD |
| FR2661500B1 (en) * | 1990-04-25 | 1994-01-07 | Aerospatiale Ste Nationale Indle | MICROWAVE CAVITY SUITABLE FOR MEASURING THE ELECTROMAGNETIC CHARACTERISTICS OF A FILIFORMED MATERIAL IN PROGRESS. |
| DE4211362C2 (en) * | 1992-04-04 | 1995-04-20 | Berthold Lab Prof Dr | Device for determining material parameters by microwave measurements |
| FR2707396B1 (en) * | 1993-07-06 | 1995-09-01 | Bordeaux I Universite | Method and device for detecting homogeneity defects in a strip or thin sheet of dielectric material. |
| US5351120A (en) * | 1993-07-12 | 1994-09-27 | American Air Liquide | Spectroscopic cell design |
| CN1118439A (en) * | 1994-09-08 | 1996-03-13 | 长岭(集团)股份有限公司 | Method and instrument for analyzing quality debase of sliver |
| US5698986A (en) * | 1996-02-12 | 1997-12-16 | Allen-Bradley Company, Inc. | Cigarette density monitor |
| DE19705260B4 (en) * | 1996-02-20 | 2008-12-24 | Hauni Maschinenbau Ag | Arrangement for detecting at least one dielectric property of a substance |
| JPH1123492A (en) * | 1997-06-27 | 1999-01-29 | Atsukusu:Kk | Measuring apparatus |
| DE29711571U1 (en) * | 1997-07-02 | 1998-11-05 | Tews Elektronik | Moisture and density sensor |
| WO2000012974A1 (en) * | 1998-08-31 | 2000-03-09 | Malcam Ltd. | Microwave resonator for continuous evaluation of fibrous materials |
| DE19854550C5 (en) * | 1998-11-26 | 2011-03-17 | Hauni Maschinenbau Ag | Resonator housing for microwaves |
| DE10204328B4 (en) * | 2001-12-11 | 2016-06-02 | Rieter Ingolstadt Gmbh | Method for determining the strip mass of a moving fiber structure and spinning preparation machine for carrying out this method |
| DE10306217B4 (en) * | 2003-02-13 | 2014-06-26 | Rieter Ingolstadt Gmbh | Microwave resonator, textile machine with such a resonator and room unit for such a resonator |
-
2003
- 2003-07-01 DE DE10334144A patent/DE10334144A1/en not_active Withdrawn
-
2004
- 2004-06-21 CN CN2004800189592A patent/CN1816739B/en not_active Expired - Fee Related
- 2004-06-21 DE DE112004001115.9T patent/DE112004001115B4/en not_active Expired - Fee Related
- 2004-06-21 WO PCT/EP2004/051175 patent/WO2005003747A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368303B (en) * | 2007-08-17 | 2011-12-14 | 特鲁菲舍尔股份有限公司及两合公司 | Apparatus on a combing machine for monitoring the noil percentage |
| CN105261816A (en) * | 2014-07-10 | 2016-01-20 | 立达英格尔施塔特有限公司 | Microwave cavity resonator and spinning preparation machine with same |
| CN105261816B (en) * | 2014-07-10 | 2020-03-06 | 立达英格尔施塔特有限公司 | Microwave cavity resonator and spinning preparation machine equipped with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1816739B (en) | 2012-03-21 |
| DE112004001115D2 (en) | 2006-05-11 |
| WO2005003747A1 (en) | 2005-01-13 |
| DE112004001115B4 (en) | 2017-11-23 |
| DE10334144A1 (en) | 2005-01-20 |
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