CN114046902A - High-temperature-resistant temperature measurement wire harness and using method thereof - Google Patents
High-temperature-resistant temperature measurement wire harness and using method thereof Download PDFInfo
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- CN114046902A CN114046902A CN202111186926.0A CN202111186926A CN114046902A CN 114046902 A CN114046902 A CN 114046902A CN 202111186926 A CN202111186926 A CN 202111186926A CN 114046902 A CN114046902 A CN 114046902A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000009529 body temperature measurement Methods 0.000 title claims description 40
- 238000005245 sintering Methods 0.000 claims abstract description 103
- 238000010438 heat treatment Methods 0.000 claims description 50
- 229910045601 alloy Inorganic materials 0.000 claims description 49
- 239000000956 alloy Substances 0.000 claims description 49
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920009441 perflouroethylene propylene Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- General Physics & Mathematics (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a high-temperature-resistant temperature-measuring wire harness and a using method thereof, wherein a plurality of groups of high-temperature-resistant temperature-measuring wires are arranged in a bundle, the front ends of the plurality of groups of high-temperature-resistant temperature-measuring wires are respectively provided with a temperature-measuring head, the temperature-measuring heads on the plurality of groups of high-temperature-resistant temperature-measuring wires are horizontally arranged in a staggered manner, a traction heavy hammer is fixed outside the first group of high-temperature-resistant temperature-measuring wire temperature-measuring heads to form downlink traction of the wire harness, one side of each group of high-temperature-resistant temperature-measuring wire temperature-measuring heads behind the first group of high-temperature-resistant temperature-measuring wire temperature-measuring heads is respectively provided with a wire harness positioner, and each wire harness positioner fixes the plurality of groups of high-temperature-resistant temperature-measuring wires together; and high-temperature-resistant strapping tapes are arranged on the plurality of groups of high-temperature-resistant temperature measuring lines on one side of the last wire harness positioner. The temperature of the sintering furnace is measured and set through the high-temperature-resistant temperature measuring wire harness, so that temperature data can be quickly and accurately obtained, the temperature of the sintering furnace is more accurate, the process state is more stable, and the waste loss rate of products is greatly reduced.
Description
Technical Field
The invention relates to the field of temperature measuring devices of high-temperature sintering furnaces, in particular to a high-temperature-resistant temperature measuring wire harness and a using method thereof.
Background
Wrapping type insulating sheath cable, its insulating high temperature resistant film or composite film of adopting more, the film need make the cladding take place the shrink in the film outside the conductor through the sintering process after wrapping the process around, thereby hold tightly the conductor and increase the insulating fastness and the compactness of product. The temperature of a sintering furnace used in the sintering process has the greatest influence on the product performance and is a key process parameter of the process. The temperature of the sintering furnace needs to be calibrated regularly, and the measurement of the actual temperature of the sintering furnace is particularly important for the product performance. Because the sintering furnace has a special structure, the furnace cylinder is long, only two ends of the furnace cylinder are opened, the middle section of the furnace cylinder is closed in the whole process, and the temperature measurement of the furnace cylinder is difficult.
The common temperature measuring cable in the market at present has fixed length and shorter length, and can not measure the temperature of a high-temperature sintering furnace or other targets with larger depth.
Current ordinary temperature measurement cable is mostly single structure, can only measure the temperature of a position at every turn, when carrying out the temperature measurement to a plurality of points of an object or environment, need carry out temperature measurement many times, and the process is loaded down with trivial details, and is consuming time longer.
When a common temperature measuring cable is used for measuring a sintering furnace or other targets with large depth, the temperature measuring end is light and the temperature measuring line is soft, so that a measuring point cannot be fixed in a measured environment, the common temperature measuring cable is very easy to contact with the wall of the sintering furnace or other heating parts, the measured temperature is not the air temperature in the furnace, and the error is large.
According to the existing common temperature measurement cable, the insulation of the cable mostly adopts fluorinated ethylene propylene, and the fluorinated ethylene propylene forming the insulation layer of the temperature measurement line can be softened or even melted under the conditions that the measurement temperature exceeds 300 ℃ in a sintering furnace or other high-temperature conditions, so that the temperature measurement line cannot be used.
Disclosure of Invention
In view of the defects in the prior art, the invention provides the high-temperature-resistant temperature-measuring wire harness which is adjustable in length, capable of measuring temperature at multiple points, stable in measuring point and capable of achieving the temperature-resistant level of 400 ℃ and the using method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: a high temperature resistant temperature measuring harness is composed of a traction heavy hammer, a plurality of groups of high temperature resistant temperature measuring lines, a plurality of harness positioners and a high temperature resistant strapping tape;
the plurality of groups of high temperature resistant temperature measuring wires are arranged in a bundle, the front ends of the plurality of groups of high temperature resistant temperature measuring wires are respectively provided with a temperature measuring head,
the temperature measuring heads on the plurality of groups of high temperature resistant temperature measuring wires are horizontally arranged in a staggered way at intervals,
the traction heavy hammer is fixed outside the temperature measuring heads of the first group of high-temperature-resistant temperature measuring lines to form the downlink traction of the wire harness,
one side of each group of high-temperature-resistant temperature measuring line temperature measuring heads behind the first group of high-temperature-resistant temperature measuring line temperature measuring heads is respectively provided with a wire harness positioner, and each wire harness positioner fixes a plurality of groups of high-temperature-resistant temperature measuring lines together;
and high-temperature-resistant strapping tapes are arranged on the plurality of groups of high-temperature-resistant temperature measuring lines on one side of the last wire harness positioner.
Further, the distance between the bottom end of the traction heavy hammer and the temperature measuring head of the first group of high temperature resistant temperature measuring lines is 2.5cm,
the distance between the first group of high-temperature-resistant temperature measuring wire temperature measuring heads and the second group of high-temperature-resistant temperature measuring wire temperature measuring heads is 100 cm;
the distance between the temperature measuring head of the Nth group of high-temperature-resistant temperature measuring wires and the temperature measuring head of the previous group of high-temperature-resistant temperature measuring wires is 100 cm;
the distance between the temperature measuring head of the last group of high-temperature-resistant temperature measuring wires and the high-temperature-resistant strapping tape is 100 cm.
Furthermore, the traction heavy hammer is composed of a protective shell, a high-temperature-resistant alloy counterweight and 2 fastening screws I;
the protective shell is tubular, and a strip-shaped air circulation hole and two screw holes I are formed in the shell along the length of the protective shell;
the high-temperature-resistant alloy counterweight is a cylinder and is fixed with the protective shell;
2I spiro union of fastening screw are on two screw I of protective housing.
Further, the high-temperature-resistant temperature measuring wire comprises an insulated single wire, a glass fiber braided sheath and a temperature measuring head;
a glass fiber braided protective layer is arranged outside the two insulated single wires, a temperature measuring head is arranged at one end of the high-temperature-resistant temperature measuring wire, and the temperature measuring head is welded with the 2 high-temperature-resistant alloy conductive wire cores;
the insulating single wire is formed by sequentially arranging a high-temperature-resistant composite film insulating layer and a composite mica tape insulating layer outside a high-temperature-resistant alloy conductive wire core.
Furthermore, the wire harness positioner consists of a high-temperature-resistant alloy shell, an alloy fastening outer sleeve and a fastening screw II;
one end of the high-temperature-resistant alloy shell is a small-diameter cylinder, the other end of the high-temperature-resistant alloy shell is a large-diameter cylinder, a circle of external threads are arranged outside the small-diameter cylinder, a plurality of high-temperature-resistant temperature measurement wire holes communicated with the cross section of the large-diameter cylinder are arranged on the cross section of the small-diameter cylinder, strip-shaped grooves are formed in the external threads of the small-diameter cylinder corresponding to each high-temperature-resistant temperature measurement wire hole, a screw hole II is formed in each groove, and each screw hole II is communicated with the corresponding high-temperature-resistant temperature measurement wire hole;
the alloy fastening outer sleeve is an annular sleeve, and internal threads are arranged on the inner surface of the alloy fastening outer sleeve; and each screw hole II is in threaded connection with a fastening screw II, and the alloy fastening outer sleeve is in threaded connection with the high-temperature-resistant alloy shell.
A use method of a high-temperature-resistant temperature measurement wire harness comprises the following steps:
firstly, placing a high-temperature-resistant temperature measuring wire harness;
a. the sintering furnace is fixed on the furnace frame, a plurality of heating sections are arranged in a furnace cylinder of the sintering furnace, and a measuring point is the middle part of each heating section;
measuring the distance from the top of the sintering furnace to the middle of the heating section at the bottommost end of the sintering furnace by using a metric ruler outside the sintering furnace, and marking the measured distance on a high-temperature-resistant temperature measuring wire harness;
inserting a high-temperature-resistant temperature measuring wire harness into a sintering furnace from an upper end port of the sintering furnace and lowering the high-temperature-resistant temperature measuring wire harness into a furnace barrel until a mark point on the high-temperature-resistant temperature measuring wire harness is superposed with the position of the port of the sintering furnace, so that a first group of high-temperature-resistant temperature measuring wire temperature measuring heads in a heavy hammer is pulled by the high-temperature-resistant temperature measuring wire harness to be arranged in the middle of a heating section at the bottom end in the furnace barrel of the sintering furnace, a second group of high-temperature-resistant temperature measuring wire temperature measuring heads and a N group of high-temperature-resistant temperature measuring wire temperature measuring heads in the high-temperature-resistant temperature measuring wire harness respectively correspond to the middle of a plurality of heating sections in the furnace barrel of the sintering furnace, and the heavy hammer can ensure that the high-temperature-resistant temperature measuring wire harness is vertically lowered to a heating section area along the center of the sintering furnace barrel, thereby preventing the temperature measuring heads from directly contacting the inner wall of the barrel or being incapable of reaching the middle of the heating section due to the high-resistant temperature measuring wire harness being stuck in the furnace barrel;
fixing the high-temperature-resistant temperature measuring wire harness positioned outside the sintering furnace barrel on the port of the sintering furnace, so that the high-temperature-resistant temperature measuring wire harness does not displace;
b. connecting a plurality of groups of high-temperature-resistant temperature measuring wires of the high-temperature-resistant temperature measuring wire harness with a multi-port thermometer;
c. raising the temperature of each heating section of the sintering furnace to the temperature to be measured;
d. opening a multi-port thermometer switch, and recording the reading after the temperature readings of the plurality of heating sections are stable;
e. if the temperature of a plurality of heating sections or any one heating section exceeds the temperature range of the process requirement, the temperature compensation of the sintering furnace needs to be adjusted to enable the temperature of the heating sections or the heating section to tend to the set temperature change range, and at the moment, the high-temperature-resistant temperature measuring wire harness is kept in the sintering furnace cylinder to continue measuring the temperature until the temperature of the sintering furnace is adjusted to be within the range allowed by the process;
f. when the temperature is stabilized at a set value or within a process allowable range, finishing temperature measurement, drawing out a high-temperature-resistant temperature measurement wire harness from a port at the top of the sintering furnace, and placing the high-temperature-resistant temperature measurement wire harness in a containing box after cooling to room temperature;
secondly, sintering process is carried out;
A. placing the cable to be sintered into a shaft on a pay-off rack;
B. the cable is inserted from the port at the top of the sintering furnace through a guide wheel I, and is fixed on a traction wheel through a guide wheel II at the bottom of the furnace cylinder after passing through the sintering furnace cylinder;
C. setting a take-up speed;
D. starting a traction wheel, and taking up a cable by the traction wheel after the cable sequentially passes through a plurality of heating sections of the sintering furnace and a guide wheel II at the bottom of the sintering furnace;
E. checking whether the surface and the firmness of the product after the cable on the traction wheel is sintered meet the requirements, and finishing the sintering process if the cable meets the requirements; and if the cable does not meet the requirements, continuously adjusting the process parameters until the sintered cable meets the requirements, and finishing the sintering process.
The invention has the beneficial effects that:
the traction weight dropper is made of nickel-plated copper alloy, is small in size and high in density, can play a good role in downwards drawing a temperature measuring line in a narrow space, can ensure that the center of a wire harness extension sintering furnace barrel is vertically placed in a temperature measuring area, ensures that the temperature measuring point is relatively fixed, avoids the direct contact of the temperature measuring wire harness with the sintering furnace wall or other high-temperature devices during downward detection to cause larger measuring errors, and is high-temperature resistant and free from oxidation or deformation after long-time work in a high-temperature environment.
The wire harness positioner is additionally arranged on the high-temperature-resistant temperature-measuring wire harness, and after each high-temperature-resistant temperature-measuring wire harness passes through the positioner, the high-temperature-resistant temperature-measuring wire harness is fixed through the fastening screws and the buckles, so that the wire harness is prevented from moving when in use, and meanwhile, the whole wire harness is stable in structure and regular in appearance.
The high-temperature-resistant strapping tape is arranged at the tail end of the wire harness, and the whole high-temperature-resistant temperature-measuring wire harness is stable in structure and small in size by strapping all temperature-measuring wires.
The conductors of the high-temperature-resistant temperature measuring wires are all made of high-temperature-resistant alloy conductive wire cores, the high-temperature-resistant composite film insulating layer is made of high-temperature-resistant composite films, the heat insulating layer is made of composite mica tapes, the protective layer is made of glass fiber woven structures, the temperature measuring wires are guaranteed to have good temperature-resistant levels through the structure, the temperature measuring wires can be used for a long time in the environment of 400 ℃, and meanwhile the structural design also has the advantages of being small in size, light in weight, soft and the like.
The high-temperature-resistant temperature-measuring wire harness main body is composed of a plurality of groups of high-temperature-resistant temperature-measuring wires, the length of the high-temperature-resistant temperature-measuring wire harness is adjustable, a temperature-measuring point is welded on each group of high-temperature-resistant temperature-measuring wires, and the number and the positions of the temperature-measuring points of the high-temperature-resistant temperature-measuring wire harness can be determined according to the number and the positions of heating sections (heating areas) of the sintering furnace cylinder.
This kind of structural design can make the temperature measurement pencil possess the function of measuring a plurality of temperature points simultaneously, has improved ordinary temperature measurement cable when to the temperature measurement of difference, and it is loaded down with trivial details, the long shortcoming of consuming time to relapse multiple measurement process.
The temperature of the sintering furnace is measured by the high-temperature-resistant temperature measuring wire harness and the temperature of the sintering furnace is set, so that temperature data can be quickly and accurately obtained, the temperature of the sintering furnace is more accurate, the process state is more stable, the waste loss rate of products is greatly reduced, and the cost of raw materials can be saved by about 70 ten thousand yuan each year.
The invention is applied to temperature measurement of high-temperature sintering furnaces and special occasions with high-temperature resistance requirements, and is a high-temperature-resistant multipurpose temperature measurement wire harness.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the traction weight of the present invention;
FIG. 3 is a schematic structural view of the high temperature resistant temperature measuring line of the present invention;
FIG. 4 is a schematic view of the beam positioner according to the present invention;
FIG. 5 is a schematic structural view of a high temperature-resistant alloy casing with a plurality of high temperature-resistant temperature-measuring wire holes according to the present invention;
FIG. 6 is a diagram showing a state of use of the high temperature resistant temperature measuring harness according to the present invention;
fig. 7 is a state diagram of the wire sintering process.
Detailed Description
Example 1, as shown in figures 1 to 5,
a high temperature resistant temperature measuring wire harness is composed of a traction weight 1, 4 groups of high temperature resistant temperature measuring wires 2, 3 wire harness positioners 3 and a high temperature resistant strapping tape 4.
The front ends of 2 high temperature resistant alloy conducting wire cores 2-1-1 of each group of high temperature resistant temperature measuring wires 2 are respectively welded with a temperature measuring head 2-3,
one end of a first group of high-temperature-resistant temperature measuring wires 2 and one end of a second group of high-temperature-resistant temperature measuring wires 2 respectively penetrate through two high-temperature-resistant temperature measuring wire holes 3-1-2 of a first wire harness positioner 3 alloy fastening jacket 3-2 and a high-temperature-resistant alloy shell 3-1, a first group of high-temperature-resistant temperature measuring wire 2 temperature measuring heads 2-3 and a second group of high-temperature-resistant temperature measuring wire 2 temperature measuring heads 2-3 are arranged in a staggered mode at intervals, the high-temperature-resistant alloy shell 3-1 is arranged on one side of a second group of high-temperature-resistant temperature measuring wire 2 temperature measuring heads 2-3, the first group of high-temperature-resistant temperature measuring wire 2 and the second group of high-temperature-resistant temperature measuring wire 2 are positioned on the high-temperature-resistant alloy shell 3-1 through two screw holes II 3-1-31 by two fastening screws II 3-3, and then the alloy fastening jacket 3-2 and the external screw threads 3-1 of the high-resistant alloy shell 3-1 are matched with each other through the internal screw threads 3-2-1 Fixed on the high temperature resistant alloy shell 3-1;
the end 2-3 of the temperature measuring head of the first group of high temperature resistant temperature measuring wires 2 is inserted into the protective shell 1-1 of the traction heavy hammer 1 and is in clearance fit with the high temperature resistant alloy counterweight 1-2, the first group of high temperature resistant temperature measuring wires 2 are fixed on the protective shell 1-1 through two screw holes I1-1-2 by two fastening screws I1-3, and the traction heavy hammer 1 forms the downlink traction of the high temperature resistant temperature measuring wire harness.
One end of a first group of high temperature resistant temperature measuring wires 2, a second group of high temperature resistant temperature measuring wires 2 and one end of a third group of high temperature resistant temperature measuring wires 2 respectively sequentially pass through an alloy fastening outer sleeve 3-2 of a second wire harness positioner 3 and three high temperature resistant temperature measuring wire holes 3-1-2 of a high temperature resistant alloy shell 3-1, a temperature measuring head 2-3 of the third group of high temperature resistant temperature measuring wires 2 and a temperature measuring head 2-3 of the second group of high temperature resistant temperature measuring wires 2 are arranged in a staggered mode at intervals, the high temperature resistant alloy shell 3-1 is arranged on one side of the temperature measuring head 2-3 of the third group of high temperature resistant temperature measuring wires 2, the first group of high temperature resistant temperature measuring wires 2, the second group of high temperature resistant temperature measuring wires 2 and the third group of high temperature resistant temperature measuring wires 2 are positioned on the high temperature resistant alloy shell 3-1 through three screw holes II 3-1-31 by three fastening screws II 3-3, and then the alloy fastening outer sleeve 3-2 is matched and fixed on the high-temperature resistant alloy shell 3-1 through the internal thread 3-2-1 and the external thread 3-1-1 of the high-temperature resistant alloy shell 3-1.
One end of a first group of high temperature resistant temperature measuring wires 2, a second group of high temperature resistant temperature measuring wires 2, a third group of high temperature resistant temperature measuring wires 2 and a fourth group of high temperature resistant temperature measuring wires 2 respectively sequentially passes through a third wire harness positioner 3 alloy fastening coat 3-2 and four high temperature resistant temperature measuring wire holes 3-1-2 of a high temperature resistant alloy shell 3-1, a fourth group of high temperature resistant temperature measuring wires 2 temperature measuring heads 2-3 and a third group of high temperature resistant temperature measuring wires 2 temperature measuring heads 2-3 are arranged in a staggered mode at intervals, a third high temperature resistant alloy shell 3-1 is arranged on one side of a fourth group of high temperature resistant temperature measuring wires 2 temperature measuring heads 2-3, four fastening screws II 3-3 are used for respectively positioning the first group of high temperature resistant temperature measuring wires 2, the second group of high temperature resistant temperature measuring wires 2, the third group of high temperature resistant temperature measuring wires 2 and the fourth group of high temperature resistant temperature measuring wires 2 on the high temperature resistant alloy shell 3-1 through four screw holes II 3-1-31, and then the alloy fastening outer sleeve 3-2 is matched and fixed on the high-temperature resistant alloy shell 3-1 through the internal thread 3-2-1 and the external thread 3-1-1 of the high-temperature resistant alloy shell 3-1.
And finally, bundling high-temperature-resistant strapping tapes 4 on the 4 groups of high-temperature-resistant temperature measuring wires 2 at one side of the third wire harness positioner 3.
The length of the high-temperature-resistant temperature measurement wire harness is 450cm, the distance between the bottom end of the traction heavy hammer 1 and the temperature measuring head 2-3 of the first group of high-temperature-resistant temperature measurement wire 2 is 2.5cm, the distance between the temperature measuring head 2-3 of the first group of high-temperature-resistant temperature measurement wire 2 and the temperature measuring head 2-3 of the second group of high-temperature-resistant temperature measurement wire 2 is 100cm, the distance between the temperature measuring head 2-3 of the second group of high-temperature-resistant temperature measurement wire 2 and the temperature measuring head 2-3 of the third group of high-temperature-resistant temperature measurement wire 2 is 100cm, the distance between the temperature measuring head 2-3 of the third group of high-temperature-resistant temperature measurement wire 2 and the temperature measuring head 2-3 of the fourth group of high-temperature-resistant temperature measurement wire 2 is 100cm, and the distance between the temperature measuring head 2-3 of the fourth group of high-temperature-resistant temperature measurement wire 2 and the high-temperature-resistant strapping tape 4 is 100 cm.
As shown in fig. 6 and 7, a method for using a high temperature resistant temperature measuring wire harness comprises the following steps:
firstly, placing a high-temperature-resistant temperature measuring wire harness;
a. the sintering furnace 5 is formed by connecting a plurality of cylindrical heating sections, each cylindrical heating section is a heating section 5-1 correspondingly in the furnace cylinder of the sintering furnace 5, and the sintering furnace 5 is fixed on a furnace frame 5-2;
in the embodiment, 4 heating sections 5-1 are arranged in a furnace cylinder 5 of the sintering furnace, the length of each heating section 5-1 is about 100cm, and a measuring point is the middle part of each heating section 5-1;
measuring the distance from the top of the sintering furnace 5 to the middle of a heating section 5-1 at the bottommost end of the sintering furnace 5 outside the sintering furnace 5 by using a metric ruler, and simultaneously marking the measured distance on a high-temperature-resistant temperature measuring wire harness;
inserting the high-temperature-resistant temperature-measuring wire harness into a sintering furnace 5 from an upper end port of the sintering furnace 5 and putting down the high-temperature-resistant temperature-measuring wire harness in a sintering furnace 5 tube until a mark point on the high-temperature-resistant temperature-measuring wire harness is superposed with the position of the port of the sintering furnace 5, so that the first high-temperature-resistant temperature-measuring wire 2 temperature measuring head 2-3 in the high-temperature-resistant temperature-measuring wire harness traction weight 1 is arranged in the middle of a heating section 5-1 at the bottom end in the sintering furnace 5 tube, the second high-temperature-resistant temperature-measuring wire 2 temperature measuring head 2-3, the third high-temperature-resistant temperature-measuring wire 2 temperature measuring head 2-3 and the fourth high-temperature-resistant temperature-measuring wire 2 temperature measuring head 2-3 in the sintering furnace tube correspond to the middle of the three heating sections 5-1 in the sintering furnace 5 tube respectively, the weight 1 can ensure that the high-resistant temperature-measuring wire harness is put down to the heating section 5-1 vertically along the center of the sintering furnace tube, and the temperature-measuring head 2-3 can not directly contact with the tube wall or can not reach the heating section 5-1 because the high-temperature-resistant temperature-measuring wire harness can not be straightened in the furnace tube A zone;
fixing the high-temperature-resistant temperature measuring wire harness positioned outside the cylinder of the sintering furnace 5 on the port of the sintering furnace 5, so that the high-temperature-resistant temperature measuring wire harness does not displace;
b. connecting 4 groups of high-temperature-resistant temperature measuring wires 2 of the high-temperature-resistant temperature measuring wire harness with thermometers 6 at 4 ports;
c. heating sections 5-1 in each area of the sintering furnace 5 to the temperature to be measured;
d. opening a switch of a thermometer 6 with 4 ports, and recording the reading after the temperature readings of 5-1 of the 4 heating sections are stable;
e. if the temperature of a plurality of heating sections 5-1 or any one heating section 5-1 in the 4 heating sections 5-1 is actually measured to exceed the temperature range of the process requirement, the temperature compensation of the sintering furnace 5 needs to be adjusted to enable the temperature or the heating sections to tend to the set temperature change range, and at the moment, the high-temperature-resistant temperature measuring wire harness is always kept in the cylinder 5 of the sintering furnace to continuously measure the temperature; until the temperature of the sintering furnace 5 is adjusted to be within the allowable range of the process;
f. when the temperature is stabilized at a set value or within a process allowable range, finishing temperature measurement, drawing out a high-temperature-resistant temperature measurement wire harness from a top port of the sintering furnace 5, and placing the high-temperature-resistant temperature measurement wire harness in a containing box after cooling to room temperature;
secondly, sintering process is carried out;
A. placing the coaxial cable 7 to be sintered on a pay-off rack 8;
B. an axial cable 7 penetrates through a guide wheel I9 from a top port of the sintering furnace 5, and the cable 7 is fixed on a traction wheel 11 after passing through a cylinder of the sintering furnace 5 and then passing through a guide wheel II 10 at the bottom of the cylinder;
C. setting a take-up speed according to relevant requirements;
D. the traction wheel 11 is started, and the cable 7 sequentially passes through 4 heating sections 5-1 of the sintering furnace 5 and a guide wheel II 10 at the bottom of the sintering furnace 5 and is wound up by the traction wheel 11;
E. finishing a cable 7 sintering process, checking whether the surface of the sintered product on the take-up wire and the firmness of the product meet the requirements, and finishing the sintering process if the cable meets the requirements; and if the cable does not meet the requirements, continuously adjusting the process parameters until the sintered cable meets the requirements, and finishing the sintering process.
The lengths of the high-temperature-resistant temperature measuring wire 2 and the temperature measuring head 2-3 of the high-temperature-resistant temperature measuring wire harness can be determined according to the height of the furnace cylinder of the sintering furnace 5, and when the heating section 5-1 in the furnace cylinder of the sintering furnace 5 is less than or more than 4 heating sections 5-1, the structures of the high-temperature-resistant temperature measuring wire 2 and the temperature measuring head 2-3 of the high-temperature-resistant temperature measuring wire harness are correspondingly adjusted.
Claims (6)
1. The utility model provides a high temperature resistant temperature measurement pencil which characterized in that: the device consists of a traction heavy hammer (1), a plurality of groups of high-temperature-resistant temperature measuring lines (2), a plurality of wire harness positioners (3) and a high-temperature-resistant strapping tape (4);
the plurality of groups of high temperature resistant temperature measuring wires (2) are arranged in a bundle, the front ends of the plurality of groups of high temperature resistant temperature measuring wires (2) are respectively provided with a temperature measuring head (2-3),
the temperature measuring heads (2-3) on the plurality of groups of high temperature resistant temperature measuring wires (2) are horizontally arranged in a staggered way at intervals,
the traction heavy hammer (1) is fixed outside the temperature measuring heads (2-3) of the first group of high temperature resistant temperature measuring lines (2) to form the downlink traction of the wire harness,
one side of each group of the high-temperature-resistant temperature measuring heads (2-3) behind the first group of the high-temperature-resistant temperature measuring line (2) temperature measuring heads (2-3) is respectively provided with a wire harness positioner (3), and each wire harness positioner (3) fixes the groups of the high-temperature-resistant temperature measuring lines (2) together;
and high-temperature-resistant strapping tapes (4) are arranged on the plurality of groups of high-temperature-resistant temperature measuring wires (2) on one side of the last wire harness positioner (3).
2. The high temperature resistant temperature measuring wire harness of claim 1, wherein: the distance between the bottom end of the traction heavy hammer (1) and the temperature measuring heads (2-3) of the first group of high temperature resistant temperature measuring lines (2) is 2.5cm,
the distance between the temperature measuring heads (2-3) of the first group of high temperature resistant temperature measuring wires (2) and the temperature measuring heads (2-3) of the second group of high temperature resistant temperature measuring wires (2) is 100 cm;
the distance between the temperature measuring head (2-3) of the Nth group of high temperature resistant temperature measuring wires (2) and the temperature measuring head (2-3) of the previous group of high temperature resistant temperature measuring wires (2) is 100 cm;
the distance between the temperature measuring head (2-3) of the last group of high temperature resistant temperature measuring wires (2) and the high temperature resistant strapping tape (4) is 100 cm.
3. The high temperature resistant temperature measuring wire harness of claim 1, wherein: the traction heavy hammer (1) is composed of a protective shell (1-1), a high-temperature-resistant alloy counterweight (1-2) and 2 fastening screws I (1-3);
the protective shell (1-1) is tubular, and a strip-shaped air circulation hole (1-1-1) and two screw holes I (1-1-2) are formed in the shell along the length of the protective shell (1-1);
the high-temperature-resistant alloy counterweight (1-2) is a cylinder, and the high-temperature-resistant alloy counterweight (1-2) is fixed with the protective shell (1-1);
2 fastening screws I (1-3) are screwed on the two screw holes I (1-1-2) of the protective shell (1-1).
4. The high temperature resistant temperature measuring wire harness of claim 1, wherein: the high-temperature-resistant temperature measuring wire (2) comprises an insulated single wire (2-1), a glass fiber braided sheath (2-2) and a temperature measuring head (2-3);
a glass fiber braided sheath (2-2) is arranged outside the two insulated single wires (2-1), a temperature measuring head (2-3) is arranged at one end of the high-temperature resistant temperature measuring wire (2), and the temperature measuring head (2-3) is welded with the 2 high-temperature resistant alloy conductive wire cores (2-1-1);
the insulating single wire (2-1) is formed by sequentially arranging a high-temperature-resistant composite film insulating layer (2-1-2) and a composite mica tape heat insulating layer (2-1-3) outside a high-temperature-resistant alloy conductive wire core (2-1-1).
5. The high temperature resistant temperature measuring wire harness of claim 1, wherein: the wire harness positioner (3) is composed of a high-temperature-resistant alloy shell (3-1), an alloy fastening outer sleeve (3-2) and a fastening screw II (3-3);
one end of the high-temperature resistant alloy shell (3-1) is a small-diameter cylinder, the other end is a large-diameter cylinder, a circle of external threads (3-1-1) is arranged outside the small-diameter cylinder, a plurality of high-temperature-resistant temperature measurement wire holes (3-1-2) communicated with the section of the large-diameter cylinder are arranged on the section of the small-diameter cylinder, strip-shaped grooves (3-1-3) are formed in the external thread (3-1-1) of the small-diameter cylinder corresponding to each high-temperature-resistant temperature measurement line hole (3-1-2), each groove (3-1-3) is provided with a screw hole II (3-1-31), and each screw hole II (3-1-31) is communicated with the corresponding high-temperature-resistant temperature measurement line hole (3-1-2);
the alloy fastening outer sleeve (3-2) is an annular sleeve, and an internal thread (3-2-1) is arranged on the inner surface of the alloy fastening outer sleeve (3-2); and each screw hole II (3-1-31) is screwed with a fastening screw II (3-3), and the alloy fastening outer sleeve (3-2) is screwed with the high-temperature-resistant alloy shell (3-1).
6. The use method of the high-temperature-resistant temperature measuring wire harness according to claim 1 is characterized by comprising the following steps:
firstly, placing a high-temperature-resistant temperature measuring wire harness;
a. the sintering furnace (5) is fixed on the furnace frame (5-2), a plurality of heating sections (5-1) are arranged in a furnace cylinder of the sintering furnace (5), and the measuring point is the middle part of each heating section (5-1);
outside the sintering furnace (5), measuring the distance from the top of the sintering furnace (5) to the middle part of a heating section (5-1) at the bottommost end of the sintering furnace (5) by using a meter ruler, and simultaneously marking the measured distance on a high-temperature-resistant temperature-measuring wire harness;
inserting the high-temperature-resistant temperature measuring wire harness into a sintering furnace (5) from an upper end port of the sintering furnace (5) and lowering the high-temperature-resistant temperature measuring wire harness into a barrel of the sintering furnace (5) until a mark point on the high-temperature-resistant temperature measuring wire harness is superposed with the port of the sintering furnace (5), so that the high-temperature-resistant temperature measuring wire harness pulls a first group of temperature measuring heads (2-3) of the high-temperature-resistant temperature measuring wires (1) to be arranged in the middle of a heating section (5-1) at the bottom end in the barrel of the sintering furnace (5), a second group of temperature measuring heads (2-3) and an Nth group of temperature measuring heads (2-3) of the high-temperature-resistant temperature measuring wires (2) respectively correspond to the middle of a plurality of heating sections (5-1) in the barrel of the sintering furnace (5), and the high-temperature-resistant temperature measuring wire harness is pulled by the weight (1) to ensure that the high-temperature-resistant temperature measuring wire harness is vertically placed in the heating section (5-1) in the center of the barrel, thereby avoiding the direct contact with the inner wall of the barrel or the high-resistant temperature measuring wire harness not being straightened by the high-resistant temperature measuring harness The middle part of the heating section (5-1) can not be reached in the furnace cylinder;
fixing the high-temperature-resistant temperature measuring wire harness positioned outside the cylinder of the sintering furnace (5) on the port of the sintering furnace (5) so that the high-temperature-resistant temperature measuring wire harness does not displace;
b. connecting a plurality of groups of high-temperature-resistant temperature measuring wires (2) of the high-temperature-resistant temperature measuring wire harness with a multi-port thermometer (6);
c. the temperature of each heating section (5-1) of the sintering furnace (5) is raised to the temperature to be measured;
d. a multi-port thermometer (6) switch is turned on, and reading is recorded after temperature readings of a plurality of heating sections (5-1) are stable;
e. if the temperature of a plurality of heating sections (5-1) or any one heating section (5-1) is actually measured to exceed the temperature range required by the process, the temperature compensation of the sintering furnace (5) needs to be adjusted to enable the temperature of the heating sections (5-1) or the temperature range to tend to be set, and at the moment, the high-temperature-resistant temperature measuring wire harness is kept in the cylinder of the sintering furnace (5) to continue to measure the temperature until the temperature of the sintering furnace (5) is adjusted to be within the range allowed by the process;
f. when the temperature is stabilized at a set value or within a process allowable range, finishing temperature measurement, drawing out a high-temperature-resistant temperature measurement wire harness from a top port of the sintering furnace (5), and placing the high-temperature-resistant temperature measurement wire harness in a containing box after cooling to room temperature;
secondly, sintering process is carried out;
A. placing the cable (7) to be sintered into a shaft on a pay-off rack (8);
B. the cable (7) is penetrated from the top port of the sintering furnace (5) through a guide wheel I (9), and the cable (7) is fixed on a traction wheel (11) through a guide wheel II (10) at the bottom of a furnace cylinder after passing through the furnace cylinder of the sintering furnace (5);
C. setting a take-up speed;
D. the traction wheel (11) is started, and the cable (7) sequentially passes through a plurality of heating sections (5-1) of the sintering furnace (5) and a guide wheel II (10) at the bottom of the sintering furnace (5) and is wound up by the traction wheel (11);
E. checking whether the surface and the firmness of the sintered product of the cable (7) on the traction wheel (11) meet the requirements, and finishing the sintering process if the cable (7) meets the requirements; and if the cable does not meet the requirements, continuously adjusting the process parameters until the sintered cable meets the requirements, and finishing the sintering process.
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| CN202111186926.0A CN114046902A (en) | 2021-10-12 | 2021-10-12 | High-temperature-resistant temperature measurement wire harness and using method thereof |
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| CN202111186926.0A CN114046902A (en) | 2021-10-12 | 2021-10-12 | High-temperature-resistant temperature measurement wire harness and using method thereof |
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Application publication date: 20220215 |