CN111912874A - Device and method for measuring drying and film forming time of glass fiber raw yarn cake - Google Patents
Device and method for measuring drying and film forming time of glass fiber raw yarn cake Download PDFInfo
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- 238000001035 drying Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 72
- 239000000523 sample Substances 0.000 claims abstract description 52
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- 238000007405 data analysis Methods 0.000 claims abstract description 6
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- 238000003556 assay Methods 0.000 claims description 10
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 206010020112 Hirsutism Diseases 0.000 abstract description 2
- 238000012827 research and development Methods 0.000 abstract description 2
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- 230000015572 biosynthetic process Effects 0.000 description 7
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- 238000009434 installation Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
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- 238000007380 fibre production Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
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- 238000011897 real-time detection Methods 0.000 description 2
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The invention provides a device and a method for measuring the drying and film-forming time of a glass fiber raw spinning cake, wherein the device comprises a base, a detection mechanism, a data transmission module and a terminal, wherein the detection mechanism comprises a temperature sensing probe and a signal processor, the detection mechanism is fixed in the base, and the detection end of the temperature sensing probe penetrates through the base; the output end of the temperature sensing probe is in signal connection with the signal processor, and the signal processor is in signal connection with the terminal through the data transmission module; and the terminal is provided with a data analysis unit. The device for measuring the drying and film-forming time of the glass fiber raw spinning cake has the advantages of simple structure, small volume, convenience in operation, simple and effective measuring method and high measuring accuracy, is beneficial to real-time monitoring of the drying and film-forming time of the glass fiber raw spinning cake by research and development personnel, and is beneficial to improving the product quality, improving the smoothness of yarns and reducing the problems of yarn hairiness and yellowing.
Description
Technical Field
The invention relates to the technical field of glass fiber production, in particular to a device and a method for measuring drying and film-forming time of a glass fiber raw yarn cake.
Background
During glass fiber drawing, an impregnating compound is generally required to be coated on the surface of the glass fiber, and the raw materials and the formula technology of the impregnating compound are key technologies for reflecting the internal quality of various glass fiber products (including yarns, cloth and felts), and become one of the core competitiveness of various glass fiber production enterprises for maintaining sustainable development.
The production process of the glass fiber is basically water-cooled, and because the surface of the glass fiber is coated with the impregnating compound, the water content of most glass fiber products is high basically, and the glass fiber products are dried to remove the water on the surface of the yarn so as to reach the water content index of leaving a factory. More importantly, the drying process is also a process of reacting each component in the surface sizing agent, and the completeness and integrity of the chemical reaction directly influence the service performance and the mechanical performance of the glass fiber product. In the industry of glass fiber, the drying effect and the degree of film-forming chemical reaction of the impregnating compound are generally characterized by monitoring the change of the internal temperature of a strand cake.
Generally speaking, the drying process includes three stages of moisture removal, temperature rise and curing film formation, wherein the curing film formation is the final stage of drying, and directly affects the drying effect and the quality of a final product, so a test method for evaluating the drying film formation time of the glass fiber strand cake needs to be established, and a set of related devices is designed and developed at the same time to achieve the purpose of monitoring the drying quality.
Disclosure of Invention
The present invention is directed to solving the problems described above. The invention aims to provide a device and a method for measuring the drying and film forming time of a glass fiber raw silk cake.
According to a first aspect of the invention, the invention provides a device for measuring the drying and film-forming time of a glass fiber raw silk cake, which comprises a base, a detection mechanism, a data transmission module and a terminal, wherein the detection mechanism comprises a temperature sensing probe and a signal processor, the detection mechanism is fixed in the base, and a detection end of the temperature sensing probe penetrates through the base; the output end of the temperature sensing probe is in signal connection with the signal processor, and the signal processor is in signal connection with the terminal through the data transmission module; and the terminal is provided with a data analysis unit.
The base comprises a base body and at least three supporting rods, the supporting rods are fixed on the edge portion of the first end of the base body at equal intervals, a cavity is formed in the second end of the base body, the detection mechanism is located in the cavity, and the detection end of the temperature sensing probe penetrates through the first end of the base body.
Wherein, be provided with the observation window on the lateral wall of base body, the observation window pierces through to the cavity setting.
The detection mechanism further comprises a protective cover, the detection mechanism is located in the protective cover, the detection end of the temperature sensing probe penetrates through one end of the protective cover, and the protective cover is detachably connected with the base.
The protective cover comprises a shell and an end cover detachably arranged at one end of the shell, and the detection mechanism is located in the shell.
The outer periphery of the shell is provided with external threads, the inner periphery of the cavity is provided with internal threads, and the shell is detachably connected with the base.
The detection mechanism further comprises a memory, and the memory is in signal connection with the output end of the signal processor.
Wherein the temperature sensing probe is a thermal resistance probe or a metal thermocouple probe.
According to another aspect of the invention, the invention also provides a method for measuring the drying and film forming time of the glass fiber raw silk cake, which is realized by using the measuring device.
Wherein the determination method comprises:
inserting the base and the temperature sensing probe into the glass fiber raw silk cake to be dried, and then sending the glass fiber raw silk cake to be dried into drying equipment;
and the signal processor receives the detection signal of the temperature sensing probe in real time, converts the detection signal into a digital signal and sends the digital signal to the terminal through the data transmission module.
The device for measuring the drying and film-forming time of the glass fiber raw spinning cake has the advantages of simple structure, small volume, convenience in operation, simple and effective measuring method and high measuring accuracy, is beneficial to real-time monitoring of the drying and film-forming time of the glass fiber raw spinning cake by research and development personnel, and is beneficial to improving the product quality, improving the smoothness of yarns and reducing the problems of yarn hairiness and yellowing.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
FIG. 1 schematically shows a schematic view of an assay device of the invention;
FIG. 2 schematically illustrates a structural view of the susceptor;
FIG. 3 schematically shows a cross-sectional view A-A of FIG. 2;
FIG. 4 schematically illustrates a structural view of a temperature sensing probe;
FIG. 5 schematically shows a flow chart of the assay method of the invention;
FIG. 6 is a graph schematically showing the time-temperature change of a 15kg glass fiber cake during drying and film formation;
FIG. 7 is a graph schematically showing the time-temperature change of a 17kg glass fiber cake during drying and film formation;
FIG. 8 is a graph schematically showing the time-temperature change of a glass fiber cake having a weight of 32kg during drying and film formation.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The invention discloses a device and a method for measuring the drying and film-forming time of glass fiber raw spinning cakes, wherein a base fixing detection mechanism with a cavity and a support rod is adopted to ensure the position of a temperature sensing probe on the glass fiber raw spinning cakes and the accuracy of temperature detection and timing of temperature change conditions, meanwhile, an electric signal detected by the temperature sensing probe is converted into a digital signal in real time by a signal processor and is sent to a terminal, and the terminal analyzes and processes a temperature detection value and the temperature change conditions of the glass fiber raw spinning cakes so that a worker can directly check the real-time detection result and the analysis conditions of the detection result, such as the temperature change conditions, the drying and film-forming time and the like of the glass fiber raw spinning cakes in the drying and film-forming process. In addition, the protection cover is adopted to protect the detection mechanism, so that the service life of the detection mechanism is ensured, and the installation stability of the temperature sensing probe on the base is also ensured. The measuring device is simple in structure, small in size, simple in operation of the measuring method, high in accuracy of the measuring result and beneficial to improvement of product quality.
The following describes in detail the device and method for measuring the film forming time of the dried glass fiber raw silk cake provided by the invention with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an apparatus for measuring a drying and film-forming time of a glass fiber raw filament cake according to the present invention, and as shown in fig. 1, the apparatus includes a base 1, a detection mechanism 2, a data transmission module 3, and a terminal 4. Wherein, detection mechanism 2 includes temperature sensing probe 21 and signal processor 22, and detection mechanism 2 fixes in base 1, and temperature sensing probe 21's sense terminal passes base 1 setting, and base 1 is used for fixing temperature sensing probe 21 on the former spinning cake of the glass fiber of treating the stoving, and temperature sensing probe 21 is used for the temperature variation of real-time detection former spinning cake of glass fiber in the stoving in-process. The output end of the temperature sensing probe 21 is in signal connection with the signal processor 22, and the signal processor 22 is in signal connection with the terminal 4 through the data transmission module 3. The signal processor 22 is configured to convert the temperature electrical signal detected by the temperature sensing probe 21 in real time into a digital signal, and send the digital signal to the terminal 4 through the data transmission module 3.
The terminal 4 is a portable mobile terminal, such as a laptop or tablet computer, but may also be a stationary operating terminal, such as a desktop computer or other terminal electronic device with a display and a controller. Specifically, the terminal 4 is provided with a data analysis module for performing statistics and analysis on the digital signal converted by the signal processor 22, so as to facilitate the viewing of the digital signal by the staff and use the digital signal as a technical reference. Specifically, the data analysis module in the terminal 4 includes a data reading processing unit, a temperature-time curve drawing unit, a data display output unit, and the like.
The data transmission module 3 may be a wired transmission module, or may also be a wireless transmission module, such as a bluetooth transmission module or a Wifi transmission module; but also a removable read module, such as a removable hard disk or a usb-disk.
Fig. 2 shows a schematic structural view of an embodiment of the base 1 of the present invention, and fig. 3 is a sectional view taken along a line a-a of fig. 2, and in combination with fig. 2 and 3, in the present invention, the base 1 includes a base body 11 and at least three struts 12 fixed to a first end edge portion of the base body 11 at equal intervals. Specifically, a cavity 111 is provided at the second end of the base body 11, the detection mechanism 2 is located in the cavity 111, and the detection end of the temperature sensing probe 21 of the detection mechanism 2 is provided through the first end of the base body 11. In this embodiment, four support rods 12 are uniformly distributed on the first end edge of the base body 11, a through hole 113 penetrating to the cavity 111 is formed in the middle of the first end of the base 11, the detection mechanism 2 is located in the cavity 111, and the detection end of the temperature sensing probe 21 of the detection mechanism 2 penetrates through the through hole 113. Further, the supporting rod 12 is a hard supporting rod so as to ensure the installation stability of the temperature sensing probe 21 on the glass fiber raw yarn cake to be dried.
In the embodiment shown in fig. 2, an observation window 112 is disposed on a side wall of the base body 11, and the observation window 112 penetrates into the cavity 111 to observe the installation position of the detection mechanism 2. Illustratively, the shape of the viewing window 112 may be rectangular or oblong. In an alternative embodiment, a scale is provided on one or both sides of the viewing window 112 to further determine the mounting position of the detection mechanism.
In consideration of the stability of the connection between the detection mechanism 2 and the base 1, the stability during use, and the like, the detection mechanism 2 is prevented from shaking in the cavity 111, and in particular, in consideration of the stability and the service life of the signal processor 22 of the detection mechanism 2, the detection mechanism 2 and the base 1 may be connected and fixed through other connection structures, for example, a protection member is sleeved outside the detection mechanism 2, and the signal processor 22 of the detection mechanism 2 is limited and protected in the cavity 111 through the protection member.
Fig. 4 shows a schematic structural diagram of a specific embodiment of the detection mechanism 2, in this embodiment, the detection mechanism 2 further includes a protective cover 24, and the detection mechanism 2 is fixed in the cavity 111 of the base 1 through the protective cover 24. Specifically, the detection mechanism 2 is located in the protective cover 24, and the detection end of the temperature sensing probe 21 is disposed through one end of the protective cover 24, and the protective cover 24 is detachably connected to the base 1.
In this embodiment, the protection cover 24 includes a housing 241 and an end cap 242 detachably disposed at one end of the housing 241, the detection mechanism 2 is located in the housing 241, and the end cap 242 covers, protects and limits the detection mechanism 2.
In an alternative embodiment, an external thread is provided on the outer circumference of the housing 241 for detachable connection with the base 1. Specifically, the cavity 111 of the base 1 is internally provided with an internal thread matched with the internal thread, in the installation and use process, after the detection mechanism 2 is placed in the shell 241, the end cover 242 is installed, the protection cover 24 provided with the detection mechanism 2 is placed in the cavity 111, the detection end of the temperature sensing probe 21 extends out of the through hole 113, then the protection cover 24 is rotated, the shell 241 of the protection cover 24 is in threaded connection with the base 1, in the process of rotating the protection cover 24, the screwing-in position of the protection cover 24 is observed in real time through the observation window 112, the installation stability of the detection mechanism 2 is ensured, and the temperature sensing probe 21 is ensured to extend out of the base 1 by enough length, so that the detection stability and accuracy are ensured.
Returning to fig. 1, in the measuring apparatus of the present invention, the detecting means 2 further includes a memory 23 for storing the detection result of the temperature sensing probe 21 in real time. Illustratively, the memory 23 is in signal connection with an output end of the signal processor 22, and the signal processor 22 converts the electrical signal detected by the temperature sensing probe 21 into a digital signal, and then sends the digital signal to the memory 23 for storage, and sends the digital signal to the terminal 4 for analysis and processing through the data transmission module 3.
Illustratively, the temperature sensing probe 21 may be a thermal resistance probe or a metal thermocouple probe. The body of the temperature sensing probe 21 is a cylindrical rod-shaped structure, the detection end of the temperature sensing probe is a thin cylindrical structure, and the detection end is cut short into a conical structure so as to be conveniently inserted into a glass fiber raw spinning cake to be dried. Illustratively, the length of the sensing end of the temperature sensing probe 21 may be selected to be 200mm, 100mm, 70mm, and other length specifications that can be suitable for sensing. The length of the sensing end of the temperature sensing probe 21 exposed to the outside of the base 1 after final mounting may be 50mm, 30mm, 25mm, or the like.
The invention also provides a method for measuring the drying and film forming time of the glass fiber raw spinning cake, which is suitable for the measuring device for drying and film forming of the glass fiber raw spinning cake and is realized by utilizing the measuring device.
Fig. 5 is a flow chart showing an implementation of the measurement method, and referring to fig. 5, the measurement method includes:
step A1: after the support rod 12 of the base 1 and the detection end of the temperature sensing probe 21 are inserted into the glass fiber raw spinning cake to be dried, the glass fiber raw spinning cake to be dried is sent into a drying device, and meanwhile, the signal processor 22 and the terminal 4 are started;
step A2: the signal processor 22 receives the detection signal of the temperature sensing probe 21 in real time, converts the detection signal into a digital signal, and transmits the digital signal to the terminal 4 through the data transmission module 3.
In the actual operation process of drying the glass fiber raw silk cake and determining the drying film-forming time, the method specifically comprises the following steps:
firstly, hanging well-formed glass fiber raw silk cakes with preset weight on a raw silk trolley entering an oven, and inserting a support rod 12 of a base 1 of a measuring device and a detection end of a temperature sensing probe 21 into the glass fiber raw silk cakes to ensure stable insertion; then the protofilament trolley is sent to a baking oven, and the glass fiber protofilament cake is dried;
in the drying process, the signal processor 22 receives the detection signal of the temperature sensing probe 21 in real time, converts the detection signal into a digital signal, transmits the digital signal to the memory 23 for storage, and transmits the digital signal to the terminal 4 through the data transmission module 3;
and a data analysis module in the terminal 4 reads the received digital signals, analyzes and processes the digital signals, draws a model through a temperature-time curve to form a time-temperature curve, and outputs and displays the time-temperature curve on a screen or a display module through a data display unit. Specifically, the time-temperature profile includes a temperature rise phase, a drying phase, and a film formation phase.
Fig. 6 is a time-temperature curve of a 15 kg-weight glass fiber raw cake drying process, fig. 7 is a time-temperature curve of a 17 kg-weight glass fiber raw cake drying process, and fig. 8 is a time-temperature curve of a 32 kg-weight glass fiber raw cake drying process.
As can be seen from the graph shown in fig. 6, during the drying process, the temperature rising phase of the 15kg glass fiber raw spinning cake continues from the beginning of the entry of the raw spinning cart into the oven to 135min (point a in fig. 6), the drying phase continues from 135min to 490min (point B in fig. 6), and the film forming phase continues from 490min to 872min (point C in fig. 6); the time of the temperature rising stage, the drying stage and the film forming stage of the 15kg glass fiber raw silk cake drying process is 135min, 355min and 382min in sequence.
As can be seen from the graph shown in fig. 7, in the drying process of 17kg of glass fiber raw cake, the temperature rise period lasts from the time when the raw fiber trolley enters the oven to 290min (point D in fig. 7), the drying period lasts from 290min to 810min (point E in fig. 7), and the film forming period lasts from 810min to 1140min (point F in fig. 7); the time of the heating stage, the drying stage and the film forming stage in the drying process of the 17kg glass fiber raw silk cake is 290min, 520min and 330min in sequence.
As can be seen from the graph shown in fig. 8, in the drying process of the 32kg glass fiber raw cake, the temperature rise period lasts from the time when the raw yarn trolley enters the oven to 450min (point G in fig. 8), the drying period lasts from 450min to 1152min (point H in fig. 8), and the film forming period lasts from 1152min to 1500min (point I in fig. 8); the time of the temperature rising stage, the drying stage and the film forming stage of the 32kg glass fiber raw silk cake drying process is 450min, 702min and 348min in sequence.
Therefore, the measuring device and the measuring method disclosed by the invention can be suitable for detecting the drying and film-forming time of the glass fiber raw silk cakes of different types and different specifications, ensure that the baking time of the glass fiber raw silk cakes in the baking oven is proper, and are beneficial to the accurate control of the quality of the glass fiber raw silk cakes.
The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The device for measuring the drying and film forming time of the glass fiber raw filament cake is characterized by comprising a base (1), a detection mechanism (2), a data transmission module (3) and a terminal (4), wherein the detection mechanism (2) comprises a temperature sensing probe (21) and a signal processor (22), the detection mechanism (2) is fixed in the base (1), and the detection end of the temperature sensing probe (21) penetrates through the base (1); the output end of the temperature sensing probe (21) is in signal connection with the signal processor (22), and the signal processor (22) is in signal connection with the terminal (4) through the data transmission module (3);
and a data analysis unit is arranged in the terminal (4).
2. The measuring device according to claim 1, wherein the base (1) comprises a base body (11) and at least three support rods (12) fixed at equal intervals on a first end edge portion of the base body (11), a cavity (111) is provided at a second end of the base body (11), the detecting mechanism (2) is located in the cavity (111), and a detecting end of the temperature sensing probe (21) is disposed through the first end of the base body (11).
3. The assay device according to claim 2, wherein a viewing window (112) is provided on a side wall of the base body (11), the viewing window (112) being provided penetrating into the cavity (111).
4. The assay device according to claim 2, wherein the detection mechanism (2) further comprises a protective cover (24), the detection mechanism (2) is located within the protective cover (24), and the detection end of the temperature sensing probe (21) is disposed through one end of the protective cover (24), the protective cover (24) being detachably connected to the base (1).
5. The assay device according to claim 4, wherein the protective cover (24) comprises a housing (241) and an end cap (242) removably arranged at one end of the housing (241), the detection mechanism (2) being located within the housing (241).
6. The assay device according to claim 4, wherein the outer circumference of the housing (241) is provided with an external thread and the inner circumference of the chamber (111) is provided with an internal thread for detachably connecting the housing (241) to the base (1).
7. The assay device according to claim 1, wherein the detection means (2) further comprises a memory (23), the memory (23) being in signal connection with an output of the signal processor (22).
8. The assay device according to claim 1, wherein the temperature sensing probe (21) is a thermal resistance probe or a metal thermocouple probe.
9. A method for measuring the drying and film forming time of a glass fiber raw silk cake, which is characterized by being realized by using the measuring device as defined in any one of claims 1 to 8.
10. The assay method according to claim 9, wherein the assay method comprises:
inserting the base (1) and the temperature sensing probe (21) into a glass fiber raw spinning cake to be dried, and then sending the glass fiber raw spinning cake to be dried into drying equipment;
the signal processor (22) receives the detection signal of the temperature sensing probe (21) in real time, converts the detection signal into a digital signal, and sends the digital signal to the terminal (4) through the data transmission module (3).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113483907A (en) * | 2021-07-06 | 2021-10-08 | 重庆国际复合材料股份有限公司 | Special bimetal thermometer contact pin auxiliary device of glass fiber |
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