CN110611963A - Novel superlattice material electric heating plate and manufacturing method thereof and superlattice electric heating furnace - Google Patents
Novel superlattice material electric heating plate and manufacturing method thereof and superlattice electric heating furnace Download PDFInfo
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- CN110611963A CN110611963A CN201911023552.3A CN201911023552A CN110611963A CN 110611963 A CN110611963 A CN 110611963A CN 201911023552 A CN201911023552 A CN 201911023552A CN 110611963 A CN110611963 A CN 110611963A
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- 239000000463 material Substances 0.000 title claims abstract description 87
- 238000005485 electric heating Methods 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000758 substrate Substances 0.000 claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 39
- 229910052709 silver Inorganic materials 0.000 claims description 35
- 239000004332 silver Substances 0.000 claims description 35
- 239000011810 insulating material Substances 0.000 claims description 33
- 239000000919 ceramic Substances 0.000 claims description 12
- 238000007639 printing Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 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
- H05B3/02—Details
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
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Abstract
A novel superlattice material electric heating plate is characterized in that a first surface of an insulating carrier substrate is used for placing an object to be heated, a heating area of a second surface of the insulating carrier substrate is coated with a superlattice heating material to form a superlattice heating film, two electrode layer belts are respectively arranged on two sides in the superlattice heating material coating area and cover the superlattice heating film, and the two electrode layer belts are electrically connected with the superlattice heating film in a conductive mode; in the area covered by each electrode layer band, a mounting hole is formed in the second surface of the insulating carrier substrate in an inward groove mode, the mounting hole is an annular hole, and the axial depth of the annular hole does not exceed the thickness of the insulating carrier substrate at the position of the annular hole; the electric connection fixing device comprises a lead, the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured.
Description
Technical Field
The invention belongs to the technical field of superlattice material electric heating devices, and particularly relates to a novel superlattice material electric heating plate, a manufacturing method of the novel superlattice material electric heating plate, and a novel superlattice material electric heating furnace.
Background
At present, adopt the superlattice material to generate heat, compare traditional heating wire, electromagnetic technology etc. and generate heat the technique and all more environmental protection and energy-conservation, but because the particularity of superlattice material, adopt conductive welding's mode at present more, but the welded mode solder joint drops easily in the use, in case the solder joint drops, this kind of the device that generates heat that adopts the superlattice material just can not be used, consequently, how to the particularity of superlattice material, provide a firm reliable electric connection mode, be present the problem of treating urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides a novel superlattice material electric heating plate, a novel superlattice material electric heating plate manufacturing method and a novel superlattice material electric heating furnace.
A novel superlattice material electric heating plate, wherein: the heating device comprises an insulating carrier substrate, a superlattice heating film, two electrode layer belts and a conductive connecting device, wherein a first surface of the insulating carrier substrate is used for placing an object to be heated, a heating area of a second surface of the insulating carrier substrate is coated with a superlattice heating material to form the superlattice heating film, the two electrode layer belts are respectively arranged on two sides in the superlattice heating material coating area, the two electrode layer belts cover the superlattice heating film, and the two electrode layer belts are electrically connected with the superlattice heating film in a conductive manner; in the area covered by each electrode layer band, a mounting hole is formed in the second surface of the insulating carrier substrate in an inward groove mode, the mounting hole is an annular hole, and the axial depth of the annular hole does not exceed the thickness of the insulating carrier substrate at the position of the annular hole; the electric connection fixing device comprises a lead, the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured.
The novel superlattice material electric heating plate comprises: the novel superlattice material electric heating plate also comprises binding posts made of insulating materials, and the number of the binding posts is the same as that of the mounting holes; the binding posts are fixed on the second surface of the insulating carrier substrate around the corresponding mounting holes;
the wiring terminal comprises an upright post, a through electric lead mounting hole axially parallel to the insulating carrier substrate is formed in the upright post, the bottom side face of the upright post is fixed on the second face of the insulating carrier substrate, a screw fixing hole with the axial direction perpendicular to the electric lead mounting hole is formed in the top side face of the upright post, and the screw fixing hole is communicated with the electric lead mounting hole.
The novel superlattice material electric heating plate comprises: two screw fixing holes which are axially vertical to the axis of the electric lead mounting hole are formed in the top surface of the upright post; the conductive pipe is sleeved in the electric lead mounting hole in a penetrating mode, the axis of the conductive pipe is parallel to that of the electric lead mounting hole, two fastening holes are formed in the side wall of the conductive pipe, and the two fastening holes are communicated with two screw fixing holes formed in the top surface of the upright column in a one-to-one correspondence mode and used for being fixed through corresponding screws.
The novel superlattice material electric heating plate comprises: two screw fixing holes which are axially vertical to the axis of the electric lead mounting hole are formed in the top surface of the upright post; and a conducting strip penetrates through the electric lead mounting hole.
The novel superlattice material electric heating plate comprises: the first end and the second end of the two electrode layer belts are respectively provided with a mounting hole; the mounting holes are axially perpendicular to the plane of the insulating carrier substrate.
The novel superlattice material electric heating plate comprises: the first end of the lead is provided with 1-3 circles of cylindrical thread lines; the lead is a silver wire; the conducting wire is formed by twisting two silver wires into one strand; the conductive medium adopts silver paste; the binding post is made of ceramic materials.
The novel superlattice material electric heating plate comprises: the axial depth of the annular hole is 1/3-2/3 of the thickness of the insulating carrier substrate.
A novel superlattice material electric heating furnace, wherein: the novel superlattice material electric heating furnace comprises a novel superlattice material electric heating plate; the novel superlattice material electric heating plate comprises: the heating device comprises an insulating carrier substrate, a superlattice heating film, two electrode layer belts and a conductive connecting device, wherein a first surface of the insulating carrier substrate is used for placing an object to be heated, a heating area of a second surface of the insulating carrier substrate is coated with a superlattice heating material to form the superlattice heating film, the two electrode layer belts are respectively arranged on two sides in the superlattice heating material coating area, the two electrode layer belts cover the superlattice heating film, and the two electrode layer belts are electrically connected with the superlattice heating film in a conductive manner; in the area covered by each electrode layer band, a mounting hole is formed in the second surface of the insulating carrier substrate in an inward groove mode, the mounting hole is an annular hole, and the axial depth of the annular hole does not exceed the thickness of the insulating carrier substrate at the position of the annular hole; the electric connection fixing device comprises a lead, the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured.
The novel superlattice material electric heating furnace is characterized in that: the novel superlattice material electric heating plate also comprises binding posts made of insulating materials, and the number of the binding posts is the same as that of the mounting holes; the binding posts are fixed on the second surface of the insulating carrier substrate around the corresponding mounting holes;
the wiring terminal comprises an upright post, a through electric lead mounting hole axially parallel to the insulating carrier substrate is formed in the upright post, the bottom side face of the upright post is fixed on the second face of the insulating carrier substrate, a screw fixing hole with the axial direction perpendicular to the electric lead mounting hole is formed in the top side face of the upright post, and the screw fixing hole is communicated with the electric lead mounting hole.
A manufacturing method of a novel superlattice material electric heating plate comprises the following steps:
step 1), spraying a nano superlattice material electrothermal film:
setting the temperature of a material heating furnace in the plate spraying machine to 600 ℃, and adding the prepared superlattice semiconductor solution into a material tank; preheating an insulating material substrate to be sprayed for 3-5 minutes; starting a plate spraying machine to carry out atomization film spraying on the preheated insulating material substrate; the insulating material substrate sprayed with the film is placed and cooled to normal temperature;
step 2), opening the annular mounting hole:
arranging electrode layer strip printing areas on two sides of an insulating material substrate sprayed with the superlattice material electric heating film in a superlattice material electric heating film covering area, and respectively forming an annular mounting hole at each of two end parts of each electrode layer strip;
step 3), printing silver electrode:
printing a conductive material silver paste in an electrode layer strip printing area on an electric heating film covering area of a superlattice material on an insulating material substrate to obtain two electrode layer strips, namely silver poles;
step 4), installing electrode silver leads:
the first threaded end of the silver lead is sleeved on the periphery of the inner core column corresponding to the annular mounting hole in a rotating mode, silver paste is filled in the annular mounting hole, and the silver paste is filled and covered between the annular mounting hole and the electrode layer belt;
step 5), solidifying the silver layer and the silver paste:
placing the insulating material substrates processed in the step 4) on a curing furnace plate frame in sequence, setting the temperature of a high-temperature curing furnace to be 500 ℃, and sintering and curing for 3 hours; taking out after cooling;
step 6), mounting a ceramic binding post and curing
Coating a layer of high-temperature-resistant inorganic glue at the bottom of the ceramic binding post, adhering the bottom of the ceramic binding post to the corresponding binding post fixed position on the insulating material substrate for fixing, coating the high-temperature-resistant inorganic glue at the corner between the periphery of the bottom of the ceramic binding post and the second surface of the insulating material substrate, and then placing for 24 hours at the environment of 25-30 ℃; then, setting the temperature of a high-temperature curing furnace to be 90 ℃, placing the insulating material substrates on a curing furnace plate frame in sequence, and dehydrating and curing for 1 hour; and then setting the temperature of the high-temperature curing furnace to 150 ℃, heating to 150 ℃, keeping the temperature for 1 hour, and then cooling to obtain the product.
According to the novel superlattice material electric heating plate, the novel superlattice material electric heating plate manufacturing method and the novel superlattice material electric heating furnace, the annular mounting hole is formed in the insulating carrier substrate, the first end of the lead is arranged to be threaded and sleeved on the inner core column of the mounting hole, the conducting medium is used for filling and filling the gap between the annular hole and the lead, and the lead and the electrode layer are tightly fixed through solidification, so that the effect that the electric connection point is firm and reliable is achieved, and the problem that the existing electric welding point is not firm is solved.
Drawings
Fig. 1 is a schematic structural diagram of a novel superlattice material electric heating plate provided by the invention;
fig. 2 is a cross-sectional view of the novel superlattice material electric heating plate provided by the invention.
Detailed Description
The invention provides a novel superlattice material electric heating plate, which comprises an insulating carrier substrate 1, a superlattice heating film 2, two electrode layer belts 3a/3b and a conductive connecting device, wherein the insulating carrier substrate 1 comprises a structural schematic diagram shown in figure 1 and a section diagram shown in figure 2, a first surface of the insulating carrier substrate 1 is used for placing an article to be heated, a heating area of a second surface of the insulating carrier substrate 1 is coated with a superlattice heating material to form the superlattice heating film 2, the two electrode layer belts 3a/3b are respectively arranged in the superlattice heating material coating area, namely two sides in the coverage area of the superlattice heating film 2, the two electrode layer belts 3a/3b cover the superlattice heating film 2, and the two electrode layer belts 3a/3b are electrically connected with the superlattice heating film 2 in a conductive manner; in the area covered by each electrode layer belt 3a/3b, a mounting hole is formed in the second surface of the insulating carrier substrate 1, in the embodiment, a first end and a second end of each electrode layer belt 3a are respectively provided with a mounting hole 41 and a mounting hole 43, a first end and a second end of each electrode layer belt 3b are respectively provided with a mounting hole 42 and a mounting hole 44, the mounting holes are annular holes, and the axial depth of each annular hole is not more than the thickness of the insulating carrier substrate 1 at the position; the electric connection fixing device comprises a lead, the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured.
The novel superlattice material electric heating plate further comprises binding posts made of insulating materials, the number of the binding posts is the same as that of the mounting holes, and in the embodiment, the first binding post, the second binding post, the third binding post and the fourth binding post are respectively arranged beside the corresponding mounting holes 41, 42, 43 and 44; the binding posts are fixed on the second surface of the insulating carrier substrate 1 around the corresponding mounting holes;
taking the first terminal as an example, the first terminal includes a pillar 61, a penetrating electrical conductor installation hole 611 is formed in the pillar 61, the axial direction of which is parallel to the plane of the insulating carrier substrate 1, the bottom surface of the pillar 61 is fixed on the second surface of the insulating carrier substrate 1, two screw fixing holes 612 and 613, the axial direction of which is perpendicular to the electrical conductor installation hole, are formed in the top surface of the pillar 61, and the screw fixing holes 612 and 613 are communicated with the electrical conductor installation hole 611.
The first conductive pipe 71 penetrates through the electric lead mounting hole 611, the axis of the first conductive pipe 71 is parallel to the axis 611 of the electric lead mounting hole, two fastening holes 711 and 712 are formed in the upper side of the first conductive pipe 71, and the two fastening holes 711 and 712 are communicated with two screw fixing holes 612 and 613 formed in the top surface of the upright post 61 in a one-to-one correspondence manner and are used for being fixed through screws 811 and 812 respectively. An external wire is placed into the first end of the first conductive tube 71, the second end of the first lead 51 is placed into the second end of the first conductive tube 71, the length of the external wire exceeds the position corresponding to the screw 811, the length of the second end of the first lead 51 exceeds the position corresponding to the screw 812, the screws 811 and 812 are screwed, and the external wire, the second end of the first lead 51 and the first conductive tube 71 can be tightly and conductively connected.
In addition, the conductive tube can be replaced by a conductive sheet, a conductive sheet is inserted into the electrical conductor installation hole 611, the screws 811 and 812 are screwed into the corresponding screw fixing holes 612 and 613 respectively, and the conductive sheet is tightly pressed against the external wire and the second end of the first wire 51, i.e., the conductive sheet can be tightly electrically connected.
The mounting holes are axially perpendicular to the plane of the insulating carrier substrate 1.
Preferably, the axial depth of the annular hole is 1/3 to 2/3 of the thickness of the insulating carrier substrate 1.
The first end of the lead is provided with 1-3 circles of cylindrical thread lines; the lead is a silver wire.
The conducting wire is formed by twisting two silver wires into one strand; the conductive medium adopts silver paste.
The binding post is made of ceramic materials.
The invention also provides a novel superlattice material electric heating furnace, which comprises a novel superlattice material electric heating plate; the novel superlattice material electric heating plate is also shown in figures 1 and 2, and comprises an insulating carrier substrate 1, a superlattice heating film 2, two electrode layer belts 3a/3b and a conductive connecting device, wherein the insulating carrier substrate 1 comprises a structural schematic diagram and a sectional diagram, the structural schematic diagram is shown in figure 1, the sectional diagram is shown in figure 2, the first surface of the insulating carrier substrate 1 is used for placing an article to be heated, a heating area of the second surface of the insulating carrier substrate 1 is coated with a superlattice heating material to form the superlattice heating film 2, the two electrode layer belts 3a/3b are respectively arranged in the superlattice heating material coating area, namely two sides in the superlattice heating film 2 coverage area, the two electrode layer belts 3a/3b cover the superlattice heating film 2, and the two electrode layer belts 3a/3b are electrically connected with the superlattice heating film 2 in a conductive manner; in the area covered by each electrode layer belt 3a/3b, a mounting hole is formed in the second surface of the insulating carrier substrate 1, in the embodiment, a first end and a second end of each electrode layer belt 3a are respectively provided with a mounting hole 41 and 43, a first end and a second end of each electrode layer belt 3b are respectively provided with a mounting hole 42 and 44, the mounting holes 41, 42, 43 and 44 are annular holes, and the axial depth of each annular hole is not more than the thickness of the insulating carrier substrate 1 at the position; the electric connection fixing device comprises a lead, wherein the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured;
the novel superlattice material electric heating plate further comprises binding posts made of insulating materials, the number of the binding posts is the same as that of the mounting holes, and in the embodiment, the first binding post, the second binding post, the third binding post and the fourth binding post are respectively arranged beside the corresponding mounting holes 41, 42, 43 and 44; the binding posts are fixed on the second surface of the insulating carrier substrate 1 around the corresponding mounting holes;
taking the first terminal as an example, as shown in fig. 2, the first terminal includes a pillar 61, the pillar 61 is provided with an electric wire installation hole 611 penetrating through and axially parallel to the plane of the insulating carrier substrate 1, the bottom surface of the pillar 61 is fixed on the second surface of the insulating carrier substrate 1, the top surface of the pillar 61 is provided with two screw fixing holes 612 and 613 axially perpendicular to the electric wire installation hole, and the screw fixing holes 612 and 613 are communicated with the electric wire installation hole 611.
The first conductive pipe 71 penetrates through the electric lead mounting hole 611, the axis of the first conductive pipe 71 is parallel to the axis 611 of the electric lead mounting hole, two fastening holes 711 and 712 are formed in the side wall of the first conductive pipe 71, and the two fastening holes 711 and 712 are communicated with two screw fixing holes 612 and 613 formed in the top surface of the upright post 61 in a one-to-one correspondence manner and are used for being fixed through screws 811 and 812 respectively. An external wire is placed into the first end of the first conductive tube 71, the second end of the first lead 51 is placed into the second end of the first conductive tube 71, the length of the external wire exceeds the position corresponding to the screw 811, the length of the second end of the first lead 51 exceeds the position corresponding to the screw 812, the screws 811 and 812 are screwed, and the external wire, the second end of the first lead 51 and the first conductive tube 71 can be tightly and conductively connected.
In addition, the conductive tube can be replaced by a conductive sheet, a conductive sheet is inserted into the electrical conductor installation hole 611, the screws 811 and 812 are screwed into the corresponding screw fixing holes 612 and 613 respectively, and the conductive sheet is tightly pressed against the external wire and the second end of the first wire 51, i.e., the conductive sheet can be tightly electrically connected.
The mounting holes are axially perpendicular to the plane of the insulating carrier substrate 1.
Preferably, the axial depth of the annular hole is 1/3 to 2/3 of the thickness of the insulating carrier substrate 1.
The first end of the lead is provided with 1-3 circles of cylindrical thread lines; the lead is a silver wire.
The conducting wire is formed by twisting two silver wires into one strand; the conductive medium adopts silver paste.
The binding post is made of ceramic materials.
The invention also provides a manufacturing method of the novel superlattice material electric heating plate, wherein the manufacturing method comprises the following steps:
step 1), spraying a nano superlattice material electrothermal film:
setting the temperature of a material heating furnace in the plate spraying machine to 600 ℃, and adding the prepared superlattice semiconductor solution into a material tank; preheating an insulating material substrate to be sprayed for 3-5 minutes; starting a plate spraying machine to carry out atomization film spraying on the preheated insulating material substrate; the insulating material substrate sprayed with the film is placed and cooled to normal temperature;
step 2), opening the annular mounting hole:
arranging electrode layer strip printing areas on two sides of an insulating material substrate sprayed with the superlattice material electric heating film in a superlattice material electric heating film covering area, and respectively forming an annular mounting hole at each of two end parts of each electrode layer strip;
step 3), printing silver electrode:
printing a conductive material silver paste in an electrode layer strip printing area on an electric heating film covering area of a superlattice material on an insulating material substrate to obtain two electrode layer strips, namely silver poles;
step 4), installing electrode silver leads:
the first threaded end of the silver lead is sleeved on the periphery of the inner core column corresponding to the annular mounting hole in a rotating mode, silver paste is filled in the annular mounting hole, and the silver paste is filled and covered between the annular mounting hole and the electrode layer belt;
step 5), solidifying the silver layer and the silver paste:
placing the insulating material substrates processed in the step 4) on a curing furnace plate frame in sequence, setting the temperature of a high-temperature curing furnace to be 500 ℃, and sintering and curing for 3 hours; taking out after cooling;
step 6), mounting a ceramic binding post and curing
Coating a layer of high-temperature-resistant inorganic glue at the bottom of the ceramic binding post, adhering the bottom of the ceramic binding post to the corresponding binding post fixed position on the insulating material substrate for fixing, coating the high-temperature-resistant inorganic glue at the corner between the periphery of the bottom of the ceramic binding post and the second surface of the insulating material substrate, and then placing for 24 hours at the environment of 25-30 ℃; then, setting the temperature of a high-temperature curing furnace to be 90 ℃, placing the insulating material substrates on a curing furnace plate frame in sequence, and dehydrating and curing for 1 hour; and then setting the temperature of the high-temperature curing furnace to 150 ℃, heating to 150 ℃, keeping the temperature for 1 hour, and then cooling to obtain the product.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A novel superlattice material electric heating plate is characterized in that: the heating device comprises an insulating carrier substrate, a superlattice heating film, two electrode layer belts and a conductive connecting device, wherein a first surface of the insulating carrier substrate is used for placing an object to be heated, a heating area of a second surface of the insulating carrier substrate is coated with a superlattice heating material to form the superlattice heating film, the two electrode layer belts are respectively arranged on two sides in the superlattice heating material coating area, the two electrode layer belts cover the superlattice heating film, and the two electrode layer belts are electrically connected with the superlattice heating film in a conductive manner; in the area covered by each electrode layer band, a mounting hole is formed in the second surface of the insulating carrier substrate in an inward groove mode, the mounting hole is an annular hole, and the axial depth of the annular hole does not exceed the thickness of the insulating carrier substrate at the position of the annular hole; the electric connection fixing device comprises a lead, the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured.
2. A novel superlattice material electric heating plate as recited in claim 1, wherein: the novel superlattice material electric heating plate also comprises binding posts made of insulating materials, and the number of the binding posts is the same as that of the mounting holes; the binding posts are fixed on the second surface of the insulating carrier substrate around the corresponding mounting holes;
the wiring terminal comprises an upright post, a through electric lead mounting hole axially parallel to the insulating carrier substrate is formed in the upright post, the bottom side face of the upright post is fixed on the second face of the insulating carrier substrate, a screw fixing hole with the axial direction perpendicular to the electric lead mounting hole is formed in the top side face of the upright post, and the screw fixing hole is communicated with the electric lead mounting hole.
3. A novel superlattice material electric heating plate as recited in claim 2, wherein: two screw fixing holes which are axially vertical to the axis of the electric lead mounting hole are formed in the top surface of the upright post; the conductive pipe is sleeved in the electric lead mounting hole in a penetrating mode, the axis of the conductive pipe is parallel to that of the electric lead mounting hole, two fastening holes are formed in the side wall of the conductive pipe, and the two fastening holes are communicated with two screw fixing holes formed in the top surface of the upright column in a one-to-one correspondence mode and used for being fixed through corresponding screws.
4. A novel superlattice material electric heating plate as recited in claim 2, wherein: two screw fixing holes which are axially vertical to the axis of the electric lead mounting hole are formed in the top surface of the upright post; and a conducting strip penetrates through the electric lead mounting hole.
5. A novel superlattice material electric heating plate as recited in claim 2, wherein: the first end and the second end of the two electrode layer belts are respectively provided with a mounting hole; the mounting holes are axially perpendicular to the plane of the insulating carrier substrate.
6. A novel superlattice material electric heating plate as recited in claim 1, wherein: the first end of the lead is provided with 1-3 circles of cylindrical thread lines; the lead is a silver wire; the conducting wire is formed by twisting two silver wires into one strand; the conductive medium adopts silver paste; the binding post is made of ceramic materials.
7. A novel superlattice material electric heating plate as recited in claim 1, wherein: the axial depth of the annular hole is 1/3-2/3 of the thickness of the insulating carrier substrate.
8. A novel superlattice material electric heating furnace is characterized in that: the novel superlattice material electric heating furnace comprises a novel superlattice material electric heating plate; the novel superlattice material electric heating plate comprises: the heating device comprises an insulating carrier substrate, a superlattice heating film, two electrode layer belts and a conductive connecting device, wherein a first surface of the insulating carrier substrate is used for placing an object to be heated, a heating area of a second surface of the insulating carrier substrate is coated with a superlattice heating material to form the superlattice heating film, the two electrode layer belts are respectively arranged on two sides in the superlattice heating material coating area, the two electrode layer belts cover the superlattice heating film, and the two electrode layer belts are electrically connected with the superlattice heating film in a conductive manner; in the area covered by each electrode layer band, a mounting hole is formed in the second surface of the insulating carrier substrate in an inward groove mode, the mounting hole is an annular hole, and the axial depth of the annular hole does not exceed the thickness of the insulating carrier substrate at the position of the annular hole; the electric connection fixing device comprises a lead, the first end of the lead is spirally sleeved on the periphery of the inner core column of the annular hole in a threaded manner, and gaps between the annular hole and the lead in the annular hole and gaps between the annular hole and the electrode layer band are filled with a conductive medium and cured.
9. A novel electric furnace as claimed in claim 8 wherein: the novel superlattice material electric heating plate also comprises binding posts made of insulating materials, and the number of the binding posts is the same as that of the mounting holes; the binding posts are fixed on the second surface of the insulating carrier substrate around the corresponding mounting holes;
the wiring terminal comprises an upright post, a through electric lead mounting hole axially parallel to the insulating carrier substrate is formed in the upright post, the bottom side face of the upright post is fixed on the second face of the insulating carrier substrate, a screw fixing hole with the axial direction perpendicular to the electric lead mounting hole is formed in the top side face of the upright post, and the screw fixing hole is communicated with the electric lead mounting hole.
10. A manufacturing method of a novel superlattice material electric heating plate is characterized by comprising the following steps:
step 1), spraying a nano superlattice material electrothermal film:
setting the temperature of a material heating furnace in the plate spraying machine to 600 ℃, and adding the prepared superlattice semiconductor solution into a material tank; preheating an insulating material substrate to be sprayed for 3-5 minutes; starting a plate spraying machine to carry out atomization film spraying on the preheated insulating material substrate; the insulating material substrate sprayed with the film is placed and cooled to normal temperature;
step 2), opening the annular mounting hole:
arranging electrode layer strip printing areas on two sides of an insulating material substrate sprayed with the superlattice material electric heating film in a superlattice material electric heating film covering area, and respectively forming an annular mounting hole at each of two end parts of each electrode layer strip;
step 3), printing silver electrode:
printing a conductive material silver paste in an electrode layer strip printing area on an electric heating film covering area of a superlattice material on an insulating material substrate to obtain two electrode layer strips, namely silver poles;
step 4), installing electrode silver leads:
the first threaded end of the silver lead is sleeved on the periphery of the inner core column corresponding to the annular mounting hole in a rotating mode, silver paste is filled in the annular mounting hole, and the silver paste is filled and covered between the annular mounting hole and the electrode layer belt;
step 5), solidifying the silver layer and the silver paste:
placing the insulating material substrates processed in the step 4) on a curing furnace plate frame in sequence, setting the temperature of a high-temperature curing furnace to be 500 ℃, and sintering and curing for 3 hours; taking out after cooling;
step 6), mounting a ceramic binding post and curing
Coating a layer of high-temperature-resistant inorganic glue at the bottom of the ceramic binding post, adhering the bottom of the ceramic binding post to the corresponding binding post fixed position on the insulating material substrate for fixing, coating the high-temperature-resistant inorganic glue at the corner between the periphery of the bottom of the ceramic binding post and the second surface of the insulating material substrate, and then placing for 24 hours at the environment of 25-30 ℃; then, setting the temperature of a high-temperature curing furnace to be 90 ℃, placing the insulating material substrates on a curing furnace plate frame in sequence, and dehydrating and curing for 1 hour; and then setting the temperature of the high-temperature curing furnace to 150 ℃, heating to 150 ℃, keeping the temperature for 1 hour, and then cooling to obtain the product.
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| CN113526985A (en) * | 2021-08-08 | 2021-10-22 | 深圳雾曼科技有限公司 | Preparation method of superlattice ceramic atomizing core |
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| CN103262346A (en) * | 2010-09-28 | 2013-08-21 | 矢崎总业株式会社 | Wire connecting device for connecting fiber-ore conductor |
| CN207762993U (en) * | 2018-01-24 | 2018-08-24 | 广东汇晶新能源科技有限公司 | A kind of nano super-lattice heating furnace |
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| CN103262346A (en) * | 2010-09-28 | 2013-08-21 | 矢崎总业株式会社 | Wire connecting device for connecting fiber-ore conductor |
| CN207762993U (en) * | 2018-01-24 | 2018-08-24 | 广东汇晶新能源科技有限公司 | A kind of nano super-lattice heating furnace |
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| CN113526985A (en) * | 2021-08-08 | 2021-10-22 | 深圳雾曼科技有限公司 | Preparation method of superlattice ceramic atomizing core |
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