CN115484699B - Junction device and junction technology for heating pipe and thermocouple - Google Patents
Junction device and junction technology for heating pipe and thermocouple Download PDFInfo
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- CN115484699B CN115484699B CN202211169708.0A CN202211169708A CN115484699B CN 115484699 B CN115484699 B CN 115484699B CN 202211169708 A CN202211169708 A CN 202211169708A CN 115484699 B CN115484699 B CN 115484699B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 238000005516 engineering process Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims description 12
- 229920000647 polyepoxide Polymers 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 238000005476 soldering Methods 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 206010063659 Aversion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/029—Welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
- H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
- H05B1/0233—Industrial applications for semiconductors manufacturing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0019—Circuit arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention provides a wiring device for heating pipes and thermocouples, which comprises a positioning pipe (1) capable of opening and closing, a thermocouple assembly, a flexible heater (2), a clamping device (3) for clamping the flexible heater and a fixing piece (4), wherein the thermocouple assembly (5) comprises a thermocouple (501), a wiring cap (502) and a wire (503), the wire (503) is fixedly arranged on the fixing piece (4) in a penetrating mode, the fixing piece (4) is fixedly embedded at the head end of the positioning pipe (1), a penetrating exhaust hole (402) is formed in the fixing piece (4), the positioning pipe (1) comprises 2 semicircular pipes (101), and the fixing piece (4) comprises 2 semicircular plates (401). The invention also provides a wiring process. According to the invention, the protection and accessories which cannot resist high temperature are not required to be removed, and the baking oven is not required to be entered, so that the fixing and drying can be realized on an assembly site, the time of a heating pipe and thermocouple wiring process of the wafer heater is shortened, and the yield of the wafer heater is improved.
Description
Technical Field
The invention relates to the technical field of wafer heaters, in particular to a wiring device and a wiring process for heating pipes and thermocouples.
Background
In the process of manufacturing the wafer heater, the wafer heater comprises a heating pipe and a thermocouple, and as the length range of a conducting wire of the heating pipe and the thermocouple is 1-4 meters, the subsequent processing is unchanged due to the fact that the heating pipe and the thermocouple are connected firstly, after the wafer heater is machined and polished, an important appearance surface is protected, the heating pipe and the thermocouple which are embedded inside are connected, high-temperature-resistant epoxy glue filling and sealing are carried out, and in order to obtain good sealing performance, the wafer heater needs to be dried in an oven. Before drying, the protection and accessories which cannot resist high temperature are required to be removed; the wafer heater main body needs to be scratched and scratched when in carrying; when mass production, the conditions that the parts wait for an oven for a long time, the parts enter and exit, bake and scratch easily occur, and the wires are easy to displace in the curing process, so that reworking is needed, and the production efficiency is seriously affected. Therefore, the novel device is urgently needed, the protection is not required to be removed, the wafer heater can be enabled to enter the oven without entering the oven, the encapsulated epoxy glue can achieve good drying and curing effects, the wires can be guaranteed to be positioned at the center in the curing process, good appearance is guaranteed, and the yield and the production efficiency are greatly improved. Therefore, a new solution is needed to solve at least one of the above technical problems.
Disclosure of Invention
An object of the present invention is to provide a junction device for heating pipes and thermocouples, which can prevent wire from being displaced without dismantling protection and fittings which are not resistant to high temperature, and which can achieve fixation and drying at an assembly site without entering an oven. The invention further aims to provide a wiring process, which does not need to put the thermocouple assembly into an oven, does not scratch the surface of the wafer heater due to entering and exiting the oven, does not need to disassemble other accessories on the thermocouple assembly, has good wiring effect and greatly improves the yield.
In order to achieve the technical purpose and meet the technical requirements, the invention adopts the technical scheme that: the utility model provides a termination for heating pipe and thermocouple, includes openable positioning tube, wears to establish thermocouple subassembly on the positioning tube, pastes and establishes at the flexible heater of positioning tube outer peripheral face, is used for pressing from both sides clamping device, the mounting of tight flexible heater, thermocouple subassembly includes thermocouple, wiring cap and wire, the wire is fixed wears to establish on the mounting, the head end at the positioning tube is fixedly inlayed to the mounting, be equipped with the exhaust hole that runs through on the mounting, the positioning tube includes 2 semicircle pipes, the mounting includes 2 semicircle boards.
As the preferable technical scheme, the positioning tube is provided with an axially penetrating mounting hole, and the mounting hole is of a stepped hole structure.
As the preferable technical scheme, the mounting hole comprises a first section, a second section and a third section which are sequentially connected, the diameters of the first section and the third section are smaller than those of the second section, the first section axially penetrates through the head end of the positioning tube, and the third section axially penetrates through the tail end of the positioning tube.
As the preferable technical scheme, the flexible heater comprises an outer insulating film, an inner insulating film, a plurality of groups of heating wires arranged between the outer insulating film and the inner insulating film, a temperature control switch arranged on the outer peripheral surface of the outer insulating film, and wires electrically connected with the heating wires and the temperature control switch respectively.
As an optimal technical scheme, the inner wall of the positioning pipe is provided with partition heat insulation grooves.
As a preferable technical scheme, the positioning tube comprises 2 semicircular tubes, and the fixing piece comprises 2 semicircular plates.
As a preferable technical scheme, the number of the clamping devices is 2, wherein 1 clamping device is arranged at the head end of the positioning tube, and the other 1 clamping device is arranged at the tail end of the positioning tube.
As a preferable technical scheme, the clamping device comprises 2 semicircular clamping blocks and bolts, and the 2 semicircular clamping blocks are connected through the bolts.
As an optimal technical scheme, the tail end of the positioning tube is provided with a limiting step.
The invention also provides a wiring process, which adopts the wiring device to wire, and comprises the following steps:
step one, soldering the lead wire and a binding post on the thermocouple, and sleeving an insulating sleeve after soldering;
step two, penetrating the lead and the thermocouple through the wiring cap after the step one is completed, then filling epoxy resin into the wiring cap for epoxy encapsulation, and fixing the lead and the thermocouple to obtain a thermocouple assembly;
step three, placing the thermocouple assembly into 1 semicircular tube, clamping the lead by the fixing piece, covering another 1 semicircular tube to obtain the positioning tube, and embedding the fixing piece at the front end of the positioning tube;
step four, hot-pressing the flexible heater to the outer peripheral surface of the positioning tube, and then tightening the clamping device to fix the 2 semicircular tubes;
step five, starting the flexible heater to dry and heat, wherein the heating temperature is 80-100 ℃, and the operation time is 2-4 hours;
and step six, closing the flexible heater, unscrewing the clamping device, taking down the flexible heater, opening the positioning tube and the fixing piece, and taking out the thermocouple assembly.
As a preferable technical scheme, the middle section of the insulating sleeve is arc-shaped.
The beneficial effects of the invention are as follows:
1) The flexible heater is attached to the outer peripheral surface of the positioning tube, then the positioning tube and the flexible heater are fixed through the clamping device, the flexible heater heats the positioning tube, the positioning tube dries epoxy resin in the wiring cap, so that the whole part which cannot resist high temperature is not required to be removed, the whole part does not need to enter the oven, the installation is convenient and fast, the wires on the thermocouple are fixed through the fixing piece, the fixation and the drying can be realized in an assembly site, the steps of entering and exiting the oven are reduced, the time of a wiring process is greatly shortened, and the working efficiency and the yield are greatly improved;
2) Preferably, the stepped hole structure forms a plurality of stepped holes, so that a fixing piece, a thermocouple and a thermocouple wiring cap can be conveniently installed in the installation hole, and further preferably, the first section is used for installing the fixing piece, the second section is used for installing the thermocouple wiring cap, the third section is used for installing the thermocouple, the diameter of the second section is large, and the wiring cap can be limited to prevent excessive displacement;
3) Preferably, the positioning tube is divided into a plurality of heating areas by a plurality of groups of heating wires;
4) Preferably, the partition heat insulation grooves are arranged corresponding to the plurality of groups of heating wires, and play a role in heat insulation of the adjacent 2 heating areas;
5) Preferably, the positioning tube comprises 2 semicircular tubes, so that each part is conveniently installed in the positioning tube, and the fixing piece comprises 2 semicircular plates, so that the wires are conveniently fixed;
6) Preferably, the clamping effect is improved through 2 clamping devices, and further preferably, the clamping can be realized through tightening bolts, so that the operation is simple, and the installation and the disassembly are convenient;
7) Preferably, the tail end of the positioning pipe is provided with a limiting step for limiting the clamping device, so that the clamping device is prevented from falling off in the installation process;
8) The wiring process can enable the epoxy resin to be better solidified, does not need to be carried into an oven, avoids the surface scratch of the heating pipe, and greatly improves the yield of the heating pipe;
9) Preferably, the middle section of the insulating sleeve is arc-shaped and has a buffering effect.
Drawings
FIG. 1 is a three-dimensional view of one embodiment of the present invention;
FIG. 2 is a cross-sectional view of a positioning tube according to one embodiment of the present invention;
FIG. 3 is a cross-sectional view of one embodiment of the present invention;
FIG. 4 is a block diagram of a flexible heater according to one embodiment of the present invention;
FIG. 5 is a block diagram of a clamping device according to one embodiment of the present invention;
FIG. 6 is a block diagram of an insulating sleeve according to one embodiment of the present invention;
in fig. 1-6, 1, positioning tube; 101. a semicircular tube; 102. a mounting hole; 1021. a first section; 1022. a second section; 1023. a third section; 103. partition heat insulation grooves; 104. a caulking groove; 105. a limit step; 2. a flexible heater; 201. an outer insulating film; 202. an inner insulating film; 203. a heating wire; 204. a temperature control switch; 205. an electric wire; 3. a clamping device; 301. a clamping block; 3011. an empty-avoiding groove; 302. a bolt; 4. a fixing member; 401. a semicircular plate; 402. an exhaust hole; 5. a thermocouple assembly; 501. a thermocouple; 502. a junction cap; 503. a wire; 6. a connector; 7. an insulating sleeve; 8. an epoxy resin.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-6, an embodiment of the present invention provides a wiring device for heating pipes and thermocouples, which comprises a positioning pipe 1 capable of opening and closing, a thermocouple assembly 5 penetrating through the positioning pipe 1, a flexible heater 2 attached to the outer circumferential surface of the positioning pipe 1, at least 1 clamping device 3 for clamping the flexible heater 2, and a fixing piece 4, wherein the fixing piece 4 is fixedly embedded in the head end of the positioning pipe 1, the positioning pipe 1 comprises 2 semicircular pipes 101, the fixing piece 4 comprises 2 semicircular plates 401, the thermocouple assembly 5 comprises a thermocouple 501, a wire cap 502 and a wire 503, the wire cap 502 is filled with epoxy resin 8, the 2 semicircular pipes 101 have an opening and closing function, the thermocouple 501 and the wire cap 502 can be fixed after being clamped by the clamping device 3, when the disassembly is required, the clamping device 3 is released, the fixing piece 4 is correspondingly arranged into 2 semicircular plates 401, the wire 503 can be clamped, the clamping device 3 is loosened, the fixing piece 4 can be quickly taken down, the installation and the disassembly are more convenient, the flexible heater 2 is attached to the outer peripheral surface of the positioning tube 1, then the positioning tube 1 and the flexible heater 2 are fixed through the clamping device 3, the positioning tube 1 is heated by the flexible heater 2, the epoxy resin 8 in the wiring cap 502 is dried by heating the positioning tube 1, the curing of the epoxy resin 8 is accelerated, the high temperature-resistant accessories are not required to be removed, the whole wire 503 on the thermocouple 5 is not required to enter an oven, the installation and the disassembly are convenient, the wire 503 is prevented from being shifted by the fixing piece 4, the fixation and the drying can be realized in the assembly field, the steps of entering and exiting the oven are reduced, the time of the wiring process is greatly shortened, the working efficiency and the yield are greatly improved, the vent 402 also vents gases generated during curing of the epoxy 8.
Further, a plurality of circumferentially arranged exhaust holes 402 are correspondingly formed in the fixing member 4 in a penetrating manner, and the exhaust holes 402 are used for drying and exhausting the positioning pipe 1.
Furthermore, the front end of the positioning tube 1 is provided with the caulking groove 104, and the fixing piece 4 is embedded in the caulking groove 104, so that the structure is simple and practical.
As shown in fig. 1 to 6, in some embodiments, the positioning tube 1 is provided with an installation hole 102 that penetrates axially, and the installation hole 102 has a stepped hole structure.
Further, the mounting hole 102 includes a first section 1021, a second section 1022 and a third section 1023 that are sequentially connected, the diameters of the first section 1021 and the third section 1023 are smaller than those of the second section 1022, the first section 1021 axially penetrates through the head end of the positioning tube 1, the third section 1023 axially penetrates through the tail end of the positioning tube 1, the first section 1021 is used for mounting a wire 6 on the thermocouple 5, the second section 1022 is used for mounting a wire cap 7 on the thermocouple 5, the third section 1023 is used for mounting the thermocouple 5, and the diameter of the second section 1022 is larger than those of the first section 1021 and the third section 1023, so that the wire cap 7 is limited, and excessive sliding of the wire cap 7 is prevented, thereby affecting the wire connection effect.
As shown in fig. 1 to 6, in some embodiments, the flexible heater 2 includes an outer insulating film 201, an inner insulating film 202, a plurality of groups of heating wires 203 disposed between the outer insulating film 201 and the inner insulating film 202, a temperature control switch 204 disposed on the outer circumferential surface of the outer insulating film 201, and wires 205 electrically connected to the heating wires 203 and the temperature control switch 204, respectively, and the heating wires 203 are prevented from being in contact with external conductive members to short-circuit by the outer insulating film 201 and the inner insulating film 202, and further, the number of the heating wires 203 is 3 groups, so that the positioning tube 1 is divided into 3 heating areas, thereby realizing zonal heating control of the positioning tube 1 and improving drying efficiency.
Further, the plurality of wires 203 are collected by the connector 6, preventing the wires 203 from being disturbed and miswired.
As shown in fig. 1 to fig. 6, in some embodiments, the inner wall of the positioning tube 1 is provided with partition heat insulation grooves 103, which have a certain insulation effect on internal heat conduction of 2 adjacent heating areas, so that the independent temperature control effect of each heating area is better, further, the number of partition heat insulation grooves 103 is 4, and the connection parts of the 2 adjacent heating areas are provided with 2 partition heat insulation grooves 103.
As shown in fig. 1 to 6, in some embodiments, the number of the clamping devices 3 is 2, wherein 1 clamping device 3 is arranged at the head end of the positioning tube 1, another 1 clamping device 3 is arranged at the tail end of the positioning tube 1, and the 2 clamping devices 3 can have better clamping effect on the flexible heater 2.
As shown in fig. 1-6, in some embodiments, the clamping device 3 includes 2 semicircular clamping blocks 301, and the bolts 302,2 of the semicircular clamping blocks 301 are connected by bolts 302, so that the structure is simple and practical, and easy to install and detach.
Further, the inner circumferential surface of the clamping block 301 is provided with a plurality of circumferentially uniformly distributed empty avoiding grooves 3011, the empty avoiding grooves 3011 can reduce the contact area, the clamping effect is good, and further, the empty avoiding grooves 3011 are arc-shaped.
As shown in fig. 1-6, in some embodiments, the tail end of the positioning tube 1 is provided with a limiting step 105 to limit the clamping device 3, so as to prevent the clamping device 3 from falling off during the installation process.
The invention also provides a wiring process, which adopts the wiring device to wire, and comprises the following steps:
firstly, soldering the wire 503 and the binding post 5011 on the thermocouple 501, sleeving an insulating sleeve 7 after soldering, and further, enabling the middle section of the insulating sleeve 7 to be arc-shaped, so as to have a buffering effect, and preventing the epoxy resin 8 from being solidified, tightened and damaged to connect the wire 503 and the binding post 5011;
step two, after the step one is completed, the wire 503 and the thermocouple 501 pass through the wiring cap 502, then epoxy resin is poured into the wiring cap 502 for epoxy encapsulation, and the wire 503 and the thermocouple 501 are fixed, so as to obtain a thermocouple assembly 5;
step three, placing the thermocouple assembly 5 into 1 semicircular tube 101, clamping the lead by the fixing piece 4, covering another 1 semicircular tube 101 to obtain the positioning tube 1, and embedding the fixing piece 4 at the front end of the positioning tube 1;
step four, hot-pressing the flexible heater 2 to the outer peripheral surface of the positioning tube 1, and then screwing the clamping device 3 to fix the 2 semicircular tubes 101;
step five, starting the flexible heater 2 to carry out drying heating, wherein the heating temperature is 80-100 ℃, the operation time is 2-4 hours, the cured epoxy resin 8 is hard, the curing effect is good, if the heating and drying are not carried out, the curing at the room temperature of 25 ℃ needs more than 12 hours, the curing efficiency is obviously improved, and the epoxy resin does not need to enter an oven;
and step six, closing the flexible heater 2, unscrewing the clamping device 3, removing the flexible heater 2, opening the positioning tube 1 and the fixing piece 4, and taking out the thermocouple assembly 5.
Because the wafer heater includes heating pipe and thermocouple subassembly 5, the wafer heater of some models is heavier, carry to the oven very inconvenient, moreover very easily fish tail wafer heater surface in the oven business turn over in-process, still need get rid of the not high temperature resistant accessory before the stoving, reassemble after the stoving, adopt the wiring technology of this invention, need not to dismantle the accessory, utilize locating tube 1 to fix a position terminal cap 502 and thermocouple 501, the mounting fixes a position wire 503, in this way, wire 503 can not produce the aversion in the solidification process of epoxy 8, the wiring effect is better, need not carry to the oven as a whole any more, reduce the damage because of business turn over oven leads to, promote the yields, termination's installation and dismantlement are also comparatively simple, whole wiring technology easy operation, work efficiency and wafer heater's yields have been improved.
The above examples are provided for the purpose of clearly illustrating the invention and are not to be construed as limiting the invention, and other variants and modifications of the various forms may be made by those skilled in the art based on the description, which are not intended to be exhaustive of all embodiments, and obvious variants or modifications of the invention may be found within the scope of the invention.
Claims (9)
1. The utility model provides a thermocouple wiring technology, its characterized in that adopts the termination that is used for heating pipe and thermocouple to carry out the wiring, termination includes locating tube (1) that can open and shut, wears to establish thermocouple assembly (5) on locating tube (1), pastes and establishes flexible heater (2) at locating tube (1) outer peripheral face, is used for pressing from both sides clamping device (3) of flexible heater (2), mounting (4), thermocouple assembly (5) include thermocouple (501), wiring cap (502) and wire (503), wire (503) are fixed to be worn to establish on mounting (4), the head end at locating tube (1) is fixedly inlayed to mounting (4), be equipped with exhaust hole (402) that run through on mounting (4), locating tube (1) include 2 semicircle pipes (101), mounting (4) include 2 semicircle boards (401), thermocouple wiring technology includes following steps:
firstly, soldering the lead (503) and a binding post (5011) on the thermocouple (501), and sleeving an insulating sleeve (7) after soldering;
step two, after the step one is finished, the wire (503) and the thermocouple (501) pass through the wiring cap (502), then epoxy resin (8) is poured into the wiring cap (502) for epoxy encapsulation, and the wire (503) and the thermocouple (501) are fixed, so that a thermocouple assembly (5) is obtained;
step three, placing the thermocouple assembly (5) into 1 semicircular tube (101), clamping the lead by the fixing piece (4), covering another 1 semicircular tube (101) to obtain the positioning tube (1), and embedding the fixing piece (4) at the front end of the positioning tube (1);
step four, hot-pressing the flexible heater (2) to the outer peripheral surface of the positioning tube (1), and then screwing the clamping device (3) to fix the 2 semicircular tubes (101);
step five, starting the flexible heater (2) to dry and heat, wherein the heating temperature is 80-100 ℃ and the operation time is 2-4 hours;
and step six, closing the flexible heater (2), unscrewing the clamping device (3), taking down the flexible heater (2), opening the positioning tube (1) and the fixing piece (4), and taking out the thermocouple assembly (5).
2. The thermocouple wiring process according to claim 1, wherein the positioning tube (1) is provided with an axially penetrating mounting hole (102), and the mounting hole (102) has a stepped hole structure.
3. A thermocouple wiring process according to claim 2, wherein the mounting hole (102) comprises a first section (1021), a second section (1022) and a third section (1023) which are sequentially connected, the diameters of the first section (1021) and the third section (1023) are smaller than those of the second section (1022), the first section (1021) axially penetrates the head end of the positioning tube (1), and the third section (1023) axially penetrates the tail end of the positioning tube (1).
4. The thermocouple wiring process according to claim 1, wherein the flexible heater (2) comprises an outer insulating film (201), an inner insulating film (202), a plurality of groups of heating wires (203) arranged between the outer insulating film (201) and the inner insulating film (202), a temperature control switch (204) arranged on the outer peripheral surface of the outer insulating film (201), and wires (205) electrically connected with the heating wires (203) and the temperature control switch (204), respectively.
5. The thermocouple wiring process according to claim 4, wherein the inner wall of the positioning tube (1) is provided with a partition heat insulation groove (103).
6. A thermocouple wiring process according to claim 1, wherein the number of clamping devices (3) is 2, wherein 1 clamping device (3) is arranged at the head end of the positioning tube (1), and the other 1 clamping device (3) is arranged at the tail end of the positioning tube (1).
7. A thermocouple wiring process according to claim 6, characterized in that said clamping means (3) comprises 2 semicircular clamping blocks (301), bolts (302), 2 of said semicircular clamping blocks (301) being connected by bolts (302).
8. A thermocouple junction process according to claim 1, characterized in that the tail end of the positioning tube (1) is provided with a limit step (105).
9. A thermocouple junction process according to claim 1, characterized in that the middle section of the insulating sleeve (7) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169708.0A CN115484699B (en) | 2022-09-22 | 2022-09-22 | Junction device and junction technology for heating pipe and thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169708.0A CN115484699B (en) | 2022-09-22 | 2022-09-22 | Junction device and junction technology for heating pipe and thermocouple |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115484699A CN115484699A (en) | 2022-12-16 |
| CN115484699B true CN115484699B (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211169708.0A Active CN115484699B (en) | 2022-09-22 | 2022-09-22 | Junction device and junction technology for heating pipe and thermocouple |
Country Status (1)
| Country | Link |
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| CN (1) | CN115484699B (en) |
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|---|---|---|---|---|
| US5862303A (en) * | 1996-05-17 | 1999-01-19 | Advanced Metal Technologies, Ltd. | Electrically heated pipe with helically wound amorphous alloy heater |
| CN212082640U (en) * | 2020-03-26 | 2020-12-04 | 江苏恒达自动化仪表有限公司 | High-precision thermocouple |
| CN213661989U (en) * | 2020-11-28 | 2021-07-09 | 广东欧亚冠金属新材料有限公司 | Heating pipe |
| CN215731615U (en) * | 2021-09-09 | 2022-02-01 | 靖江先锋半导体科技有限公司 | Small-diameter heating device for vacuum environment |
| CN216291487U (en) * | 2021-05-20 | 2022-04-12 | 浙江春晖仪表股份有限公司 | Armored heater |
-
2022
- 2022-09-22 CN CN202211169708.0A patent/CN115484699B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5862303A (en) * | 1996-05-17 | 1999-01-19 | Advanced Metal Technologies, Ltd. | Electrically heated pipe with helically wound amorphous alloy heater |
| CN212082640U (en) * | 2020-03-26 | 2020-12-04 | 江苏恒达自动化仪表有限公司 | High-precision thermocouple |
| CN213661989U (en) * | 2020-11-28 | 2021-07-09 | 广东欧亚冠金属新材料有限公司 | Heating pipe |
| CN216291487U (en) * | 2021-05-20 | 2022-04-12 | 浙江春晖仪表股份有限公司 | Armored heater |
| CN215731615U (en) * | 2021-09-09 | 2022-02-01 | 靖江先锋半导体科技有限公司 | Small-diameter heating device for vacuum environment |
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| CN115484699A (en) | 2022-12-16 |
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