CN110933778A - Graphene infrared heater - Google Patents
Graphene infrared heater Download PDFInfo
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- CN110933778A CN110933778A CN201910874658.8A CN201910874658A CN110933778A CN 110933778 A CN110933778 A CN 110933778A CN 201910874658 A CN201910874658 A CN 201910874658A CN 110933778 A CN110933778 A CN 110933778A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 121
- 239000004020 conductor Substances 0.000 claims abstract description 105
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 15
- 239000011241 protective layer Substances 0.000 claims description 9
- 239000012811 non-conductive material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 16
- 229910002804 graphite Inorganic materials 0.000 abstract description 12
- 239000010439 graphite Substances 0.000 abstract description 12
- -1 graphite alkene Chemical class 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000010453 quartz Substances 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000010410 layer Substances 0.000 description 6
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000013060 biological fluid Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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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
- H05B3/02—Details
- H05B3/04—Waterproof or air-tight seals for heaters
-
- 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
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- 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
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
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Abstract
The invention relates to a graphene infrared heater. It has solved the inconvenient problem of current graphite alkene heating pipe connection, including conductive heating body, removable location structure, first electric conductor and second electric conductor, first electric conductor and conductive heating body one end electricity are connected, second electric conductor and conductive heating body other end electricity are connected, the one end axial that first electric conductor was kept away from and is connected with the conductive heating body electricity runs through the inboard one end that conductive heating body circumference just has the second electric conductor towards the conductive heating body and extends, the one end that is connected with the conductive heating body electricity and second electric conductor and the one end that the conductive heating body electricity is connected are located conductive heating body with one end, be located conductive heating body tip through insulating location structure between first electric conductor and the second electric conductor. The invention has the advantages of tight connection of all parts, high reliability, convenient disassembly and assembly, strong sealing property, good dustproof effect and the like, and can heat corrosive chemical and biological liquid and gas.
Description
Technical Field
The invention belongs to the technical field of heating equipment, and particularly relates to a graphene infrared heater.
Background
With the rapid development of graphene technology, the situation of high cost of graphene is gradually relieved, and more graphene products are slowly pushed out. The graphene heating technology is slowly developed, the heat dissipation heat of the graphene is mainly released in a far infrared mode, and the heat efficiency is higher; the heating is carried out once the heater is turned on, and the traditional inefficient convection heating mode is avoided. The current graphite alkene heating pipe need set up respectively at body both ends when using and be used for the conductive contact who links to each other with the power, connects inconvenient, the inconvenient scheduling problem of dismouting when just so causing the use easily, simultaneously, connects stability inadequately between each tie point of graphite alkene heating pipe inside, and the fault rate is higher, has so greatly restricted the popularization and the application of current graphite alkene heating pipe.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a method for manufacturing a graphene electrothermal rod and a product structure [201910167297.3], including the steps of: respectively welding the two fixed seats at two ends of the inner wall of the heating tube; sequentially stacking an insulating heat conduction layer and a graphene conductive heating layer on the inner wall of the heating tube; fixedly mounting a second ceramic insulating pad, a first conductive joint and a second conductive joint on each fixed seat in a sequentially stacked manner, so that the first conductive joint is in contact with the graphene conductive heating layer; welding a hexagonal external wire joint and an end socket at two ends of the heating tube respectively; connecting two wires of the cable to the two second conductive connectors respectively; and sleeving the hexagonal sealing cover on the port of the hexagonal external thread connector.
Above-mentioned scheme has solved the external inconvenient problem of current graphite alkene stick conductive contact that generates heat to a certain extent, has realized two conductive contact integration in barred body one end, but this scheme still has a great deal of not enough, and for example, its inside each conductive contact connects stability inadequately, causes the fault rate height easily.
Disclosure of Invention
The invention aims to solve the problems and provides a graphene infrared heater which is reasonable in design, convenient to wire and high in stability.
In order to achieve the purpose, the invention adopts the following technical scheme: the graphene infrared heater comprises a hollow cylindrical conductive heating body with two open ends, and is characterized in that, one end of the conductive heating body is connected with the first conductor through a detachable positioning structure, the other end is sleeved with a second conductor on the circumferential outer side, the first conductor is electrically connected with one end of the conductive heating body, the second conductor is electrically connected with the other end of the conductive heating body, the end of the first conductor far away from the end electrically connected with the conductive heating body axially penetrates through the circumferential inner side of the conductive heating body and extends towards the end of the conductive heating body provided with the second conductor, and the end of the first conductor far away from the end electrically connected with the conductive heating body is positioned at the same end of the conductive heating body as the end of the second conductor electrically connected with the conductive heating body, and the first conductor and the second conductor are positioned at the end part of the conductive heater through an insulating positioning structure. Through first electric conductor and conductive heating body one end electricity connection, second electric conductor and conductive heating body other end electricity are connected, then extend first electric conductor to with second electric conductor department, make first electric conductor one end and second electric conductor be located conductive heating body with one end like this, the external power supply of being convenient for like this, wherein, conductive heating body is inside to be connected through first electric conductor and second electric conductor electricity respectively, has improved the stability of electricity connection like this.
In foretell graphite alkene infrared heater, conductive heating body include by non-conductive material make and be the carrier pipe of cavity tube-shape, be equipped with graphite alkene conductive heating coating at carrier pipe circumference outer wall, just carrier pipe one end circumference outer wall be equipped with the first conductive electrode of graphite alkene conductive heating coating one end electricity connection, other end circumference outer wall is equipped with the second conductive electrode of being connected with graphite alkene conductive heating coating other end electricity. Specifically, the conductive heating body comprises a carrier tube supported by a quartz material or a ceramic material, a graphene conductive heating coating is plated on the circumferential outer wall of the carrier tube, and a first conductive electrode and a second conductive electrode are made of high-temperature conductive silver paste.
In the graphene infrared heater, the first conductor comprises a conductive seat which is made of a conductive material and is plugged in an opening at one end of the carrier tube, the circumferential inner side of one end of the conductive seat is in contact with the circumferential outer side of one end of the carrier tube, the conductive seat is electrically connected with the first conductive electrode, one end, away from the opening at one end of the carrier tube, of the conductive seat is provided with a conductive rod body which is axially penetrated through the circumferential inner side of the carrier tube, and the conductive rod body extends to the opening at the other end of the carrier tube. The conductive seat can seal one end of the conductive heating body, and the other end of the conductive heating body is sealed by the first conductor, the second conductor and the insulation positioning structure, so that the sealing performance and the dustproof effect of the conductive heating body are improved.
In foretell graphite alkene infrared heater, removable location structure including set up the depressed part at the center of the one end terminal surface that electrically conducts seat and the electrically conductive body of rod and link to each other, the center of depressed part have the location boss that links to each other with the electrically conductive body of rod, just location boss and electrically conductive seat circumference inboard between form annular positioning groove, just carrier pipe one end peg graft in annular positioning groove, just first electrically conductive electrode and the electrically conductive inboard mutual electric connection of seat circumference of carrier pipe one end. Obviously, through pegging graft carrier pipe one end in the annular positioning groove of electrically conductive seat, location boss and carrier pipe inner wall tight fit, carrier pipe outer wall and electrically conductive seat circumference inboard tight fit and the electricity is connected.
In the graphene infrared heater, the second conductor is a cylindrical structure sleeved at one end of the carrier tube, the circumferential inner side of one end of the second conductor is in contact with the circumferential outer side of one end of the carrier tube, the second conductor is electrically connected with the second conductive electrode, and the conductive rod body penetrates through the circumferential inner side of the second conductor.
In the graphene infrared heater, the insulation positioning structure comprises an insulation seat which is cylindrical and is arranged between the circumferential outer side of one end of the conductive rod body and the circumferential inner side of one end of the second conductor, the circumferential outer side of the insulation seat and the circumferential inner side of the second conductor are mutually abutted, one end of the conductive rod body is provided with a connecting part which is coaxially arranged with the conductive rod body, and the circumferential inner side of the insulation seat and the circumferential outer side of the connecting part are mutually abutted. Preferably, the insulating base may be made of a ceramic material, and the conductive rod and the second conductor of the first conductor are respectively positioned inside and outside the insulating base, and are arranged from inside to outside through the conductive rod, the insulating base and the second conductor so as to seal the end of the conductive heating body.
In the graphene infrared heater, an annular convex ring is arranged on the inner side of the second conductor in the circumferential direction, one end face of the carrier tube abuts against one side of the annular convex ring, and one end face of the insulating seat abuts against the other side of the annular convex ring. And limiting steps are respectively formed between one side of the annular convex ring and the circumferential inner side of one end of the second electric conductor and between the other side of the annular convex ring and the circumferential inner side of the other end of the second electric conductor, so that the carrier tube and the insulating base are respectively limited.
In foretell graphite alkene infrared heater, carrier pipe circumference outer wall be equipped with cover in the inoxidizing coating in the graphite alkene conductive heating coating outside and/or carrier pipe circumference outside cover be equipped with the lag body, lag body one end seal and this end circumference inboard cover locate the conductive seat circumference outside and mutual tight fit, the inboard cover of other end circumference is located the second electric conductor circumference outside and mutual tight fit. When the conductive heating body is used alone, for example, when the conductive heating body is used for heating a non-liquid substance, preferably, the protective layer can adopt a coating with higher hardness, for example, a ceramic coating can be adopted, so that the wear-resisting effect is improved, in order to adapt to liquid heating, the outer circumferential side of the carrier tube is sleeved with a protective sleeve body, the protective sleeve body can adopt a quartz sleeve and the like, the effect of protecting and isolating the conductive heating body can be realized, and the heater can also reach a very high temperature quickly, radiate out medium wave infrared rays, penetrate through the quartz sleeve and radiate heat in an infrared manner. The outer wall of the circumferential direction of the conductive heating body can only be provided with the protective layer, when the conductive heating body is used for heating in the fields of liquid, gas, soft materials and the like, the protective sleeve body is required to be sleeved on the outer side of the circumferential direction of the conductive heating body, the protective sleeve body and the conductive heating body can be combined with each other, and the protective sleeve body is sleeved on the protective layer.
In the graphene infrared heater, the end face of one end of the protective sleeve body, the end face of one end of the second conductor, the end face of one end of the insulating base and the end face of one end of the connecting part are flush with each other.
In the graphene infrared heater, a seat head is arranged at one end of the conductive seat far away from the end connected with the conductive rod body, and the seat head is arc-shaped or taper-shaped. When the head of the seat body is a pointed head, the graphene heater can be used for inserting some soft materials for contact heating.
Compared with the prior art, the invention has the advantages that: simple structure, each part is connected closely, the reliability is high, first electric conductor one end and second electric conductor are located conductive heating body's same end, the external power supply of being convenient for like this, easy dismounting, conductive heating body both ends are sealed, conductive heating body closure and dustproof effect have been improved like this, simultaneously, the layer carrier that generates heat adopts the quartz capsule, dustcoat quartz capsule, chemical stability is high, produce deformation easily, make this heater can be in very little airtight space, the heating has the chemistry and the biological fluid of corrosivity, and is gaseous.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a schematic view of the present invention in a state of use for heating a liquid;
FIG. 4 is a cross-sectional view of the structure of FIG. 3 at view C-C;
in the figure, the conductive heating element 1, the protective layer 11, the protective sleeve 12, the carrier tube 13, the first conductive electrode 131, the second conductive electrode 132, the graphene conductive heating coating 14, the first conductive body 2, the conductive base 21, the base head 211, the recessed portion 212, the positioning boss 213, the annular positioning groove 214, the conductive rod 22, the second conductive body 3, the insulating positioning structure 4, the insulating base 41, the connecting portion 42, and the annular convex ring 43 are shown.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the graphene infrared heater comprises a hollow cylindrical conductive heating body 1 with two open ends, one end of the conductive heating body 1 is connected with a first electric conductor 2 through a detachable positioning structure, the circumferential outer side of the other end is sleeved with a second electric conductor 3, the first electric conductor 2 is electrically connected with one end of the conductive heating body 1, the second electric conductor 3 is electrically connected with the other end of the conductive heating body 1, one end of the first electric conductor 2, which is far away from the end electrically connected with the conductive heating body 1, axially penetrates through the circumferential inner side of the conductive heating body 1 and extends towards one end of the conductive heating body 1 with the second electric, and the end of the first conductor 2 far away from the electric connection with the conductive heating body 1 and the end of the second conductor 3 connected with the electric connection with the conductive heating body 1 are positioned at the same end of the conductive heating body 1, and the first conductor 2 and the second conductor 3 are positioned at the end part of the conductive heating body 1 through an insulating positioning structure 4. Through first electric conductor 2 and electric conductive heating body 1 one end electricity connection, second electric conductor 3 and electric conductive heating body 1 other end electricity are connected, then extend to first electric conductor 2 with 3 departments of second electric conductor, make 2 one ends of first electric conductor and second electric conductor 3 be located electric conductive heating body 1 same end like this, the external power supply of being convenient for like this, wherein, electric conductive heating body 1 is inside to be connected through first electric conductor 2 and 3 electricity of second electric conductor respectively, the stability of the electricity connection has been improved like this.
Specifically, the conductive heating body 1 here includes a carrier tube 13 made of a non-conductive material and having a hollow cylindrical shape, a graphene conductive heating coating 14 is provided on an outer circumferential wall of the carrier tube 13, and a first conductive electrode 131 electrically connected to one end of the graphene conductive heating coating 14 is provided on an outer circumferential wall of one end of the carrier tube 13, and a second conductive electrode 132 electrically connected to the other end of the graphene conductive heating coating 14 is provided on an outer circumferential wall of the other end. Preferably, the conductive heating body 1 here includes a carrier tube 13 supported by a quartz material or a ceramic material, the peripheral outer wall of the carrier tube 13 is plated with a graphene conductive heating coating 14, and the first conductive electrode 131 and the second conductive electrode 132 are high-temperature conductive silver paste.
The first conductor 2 includes a conductor seat 21 made of a conductive material and sealed at an opening at one end of the carrier tube 13, a circumferential inner side of one end of the conductor seat 21 contacts with a circumferential outer side of one end of the carrier tube 13, the conductor seat 21 is electrically connected with the first conductive electrode 131, a conductor rod 22 axially penetrating the circumferential inner side of the carrier tube 13 is disposed at one end of the conductor seat 21 away from the opening at one end of the carrier tube 13, and the conductor rod 22 extends to the opening at the other end of the carrier tube 13. The conductive seat 21 can seal one end of the conductive heating body 1, and the other end of the conductive heating body is sealed by the first conductor 2, the second conductor 3 and the insulation positioning structure 4, so that the sealing performance and the dustproof effect of the conductive heating body 1 are improved.
Preferably, the detachable positioning structure herein includes a recessed portion 212 disposed at the center of an end surface of one end of the conductive socket 21 connected to the conductive rod 22, the recessed portion 212 has a positioning boss 213 connected to the conductive rod 22 at the center thereof, an annular positioning groove 214 is formed between the positioning boss 213 and the inner circumferential side of the conductive socket 21, one end of the carrier tube 13 is inserted into the annular positioning groove 214, and the first conductive electrode 131 at one end of the carrier tube 13 and the inner circumferential side of the conductive socket 21 are electrically connected to each other. Obviously, by inserting one end of the carrier tube 13 into the annular positioning groove 214 of the conductive seat 21, the positioning boss 213 is tightly fitted with the inner wall of the carrier tube 13, and the outer wall of the carrier tube 13 is tightly fitted and electrically connected with the circumferential inner side of the conductive seat 21.
Further, the second conductor 3 is a cylindrical structure sleeved on one end of the carrier tube 13, the circumferential inner side of one end of the second conductor 3 contacts with the circumferential outer side of one end of the carrier tube 13, the second conductor 3 is electrically connected with the second conductive electrode 132, and the conductive rod 22 penetrates through the circumferential inner side of the second conductor 3.
In order to insulate the conductive rod 22 from the second conductor 3, the insulation positioning structure 4 includes a cylindrical insulation seat 41 disposed between a circumferential outer side of one end of the conductive rod 22 and a circumferential inner side of one end of the second conductor 3, the circumferential outer side of the insulation seat 41 and the circumferential inner side of the second conductor 3 are abutted against each other, one end of the conductive rod 22 has a connecting portion 42 disposed coaxially with the conductive rod 22, and the circumferential inner side of the insulation seat 41 and the circumferential outer side of the connecting portion 42 are abutted against each other. Preferably, the insulating base 41 may be made of a ceramic material, and the conductive rod 22 and the second conductive body 3 of the first conductive body 2 are respectively positioned inside and outside the insulating base 41, and the conductive rod 22, the insulating base 41 and the second conductive body 3 are arranged from inside to outside to seal the end of the conductive heating body 1.
Preferably, the second current conductor 3 here has an annular collar 43 on the inside in the circumferential direction, the carrier tube 13 being arranged with one end face on one side of the annular collar 43 and the insulating holder 41 being arranged with one end face on the other side of the annular collar 43. Here, a limiting step is formed between one side of the annular convex ring 43 and the circumferential inner side of one end of the second conductor 3 and between the other side of the annular convex ring 43 and the circumferential inner side of the other end of the second conductor 3 respectively, so as to limit the carrier tube 13 and the insulating base 41 respectively.
In the present embodiment, as shown in fig. 1, when the conductive heating body 1 is directly used, for example, for heating a non-liquid substance, such as cotton, tobacco, etc., in order to protect the graphene conductive heating coating 14 on the outer wall of the carrier tube 13 and prevent scratching, the outer circumferential wall of the carrier tube 13 is provided with a protective layer 11 covering the outer side of the graphene conductive heating coating 14, preferably, the protective layer 11 may be a coating with higher hardness, for example, a ceramic coating, so as to improve the scratch and abrasion resistance of the graphene conductive heating coating 14 and ensure light transmittance.
More specifically, the end face of the shield body 12, the end face of the second conductor 3, the end face of the insulating base 41, and the end face of the connecting portion 42 are flush with each other. Wherein, the end of the conductive socket 21 away from the end connected to the conductive rod 22 has a socket head 211, and the socket head 211 is arc-shaped or taper-shaped. When the socket head 211 is pointed, the graphene heater can be inserted into soft materials, such as cotton, tobacco, etc., for contact heating.
As shown in fig. 3-4, in order to realize that the heater can be applied to heating in the fields of liquid and the like, the outer side of the circumference of the carrier tube 13 is sleeved with the protective sleeve 12, one end of the protective sleeve 12 is closed, the inner side of the circumference of the end is sleeved on the outer side of the circumference of the conductive seat 21 and tightly fits with each other, the inner side of the circumference of the other end is sleeved on the outer side of the circumference of the second conductive body 3 and tightly fits with each other, one end of the protective sleeve 12 is sleeved on one end of the conductive seat 21 and closed, thus, the insulation between the conductive seat 21 and the material to be heated can be realized, and meanwhile, the protective function can be achieved, the closed end of the protective sleeve 12 can be arc-shaped or straight-shaped, the protective sleeve 12 can be selected from quartz sleeves and the like. When being used for non-liquid heating field promptly, carrier pipe 13 circumference outer wall can only set up inoxidizing coating 11, when application in liquid, when waiting the field heating, needs carrier pipe 13 circumference outside cover to establish protective cover 12, also can both combine each other, both sets up inoxidizing coating 11 and overlaps protective cover 13.
Wherein, the material of the carrier tube 13, the protective layer 11 or the protective sheath 12 is selected from quartz or ceramic, and the main reasons are as follows: 1. the heating and cooling of the graphene heating layer can be realized quickly by a hot poor conductor; 2. when the existing carrier tube is made of metal, the carrier tube is deformed at high temperature, so that the carrier tube cannot be used in precision application, and quartz or ceramic is adopted and hardly has any deformation; 3. the chemical stability, the heating layer carrier quartz tube and the outer cover quartz tube are high, so that the heater can heat corrosive chemical and biological liquid and gas in a small closed space. 4. The quartz tube has high infrared transmittance, can reach high temperature quickly, radiates medium wave infrared rays, penetrates through the quartz outer sleeve, and radiates heat in an infrared mode.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the conductive heating body 1, the protective layer 11, the protective sleeve 12, the carrier tube 13, the first conductive electrode 131, the second conductive electrode 132, the graphene conductive heating coating 14, the first conductive body 2, the conductive seat 21, the seat head 211, the recess 212, the positioning boss 213, the annular positioning groove 214, the conductive rod body 22, the second conductive body 3, the insulating positioning structure 4, the insulating seat 41, the connecting portion 42, the annular protruding ring 43, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A graphene infrared heater comprises a hollow cylindrical conductive heating body (1) with two open ends, and is characterized in that one end of the conductive heating body (1) is connected with a first electric conductor (2) through a detachable positioning structure, a second electric conductor (3) is sleeved outside the circumferential direction of the other end of the conductive heating body, the first electric conductor (2) is electrically connected with one end of the conductive heating body (1), the second electric conductor (3) is electrically connected with the other end of the conductive heating body (1), one end of the first electric conductor (2), which is far away from the end electrically connected with the conductive heating body (1), axially penetrates through the circumferential direction of the conductive heating body (1) and extends towards one end of the conductive heating body (1) with the second electric conductor (3), and one end of the first electric conductor (2), which is far away from the end electrically connected with the conductive heating body (1), is located at the same end of the conductive heating body (1) as one end of the second electric conductor (3, and the first conductor (2) and the second conductor (3) are positioned at the end part of the conductive heating body (1) through an insulating positioning structure (4).
2. The graphene infrared heater according to claim 1, wherein the conductive heating body (1) comprises a hollow cylindrical carrier tube (13) made of a non-conductive material, a graphene conductive heating coating (14) is disposed on the circumferential outer wall of the carrier tube (13), and a first conductive electrode (131) electrically connected to one end of the graphene conductive heating coating (14) is disposed on the circumferential outer wall of one end of the carrier tube (13), and a second conductive electrode (132) electrically connected to the other end of the graphene conductive heating coating (14) is disposed on the circumferential outer wall of the other end of the carrier tube (13).
3. The graphene infrared heater according to claim 2, wherein the first conductive body (2) comprises a conductive seat (21) made of a conductive material and sealed at an opening at one end of the carrier tube (13), a circumferential inner side of one end of the conductive seat (21) is in contact with a circumferential outer side of one end of the carrier tube (13), the conductive seat (21) is electrically connected with the first conductive electrode (131), a conductive rod (22) axially penetrating through the circumferential inner side of the carrier tube (13) is arranged at one end of the conductive seat (21) away from the opening at one end of the carrier tube (13), and the conductive rod (22) extends to the opening at the other end of the carrier tube (13).
4. The graphene infrared heater according to claim 3, wherein the detachable positioning structure comprises a recessed portion (212) disposed at a center of an end surface of one end of the conductive base (21) connected to the conductive rod (22), a positioning boss (213) connected to the conductive rod (22) is disposed at a center of the recessed portion (212), an annular positioning groove (214) is formed between the positioning boss (213) and a circumferential inner side of the conductive base (21), one end of the carrier tube (13) is inserted into the annular positioning groove (214), and the first conductive electrode (131) at one end of the carrier tube (13) and the circumferential inner side of the conductive base (21) are electrically connected to each other.
5. The graphene infrared heater according to claim 3 or 4, wherein the second conductor (3) is a cylindrical structure sleeved on one end of the carrier tube (13), the circumferential inner side of one end of the second conductor (3) is contacted with the circumferential outer side of one end of the carrier tube (13), the second conductor (3) and the second conductive electrode (132) are electrically connected with each other, and the conductive rod (22) is arranged on the circumferential inner side of the second conductor (3).
6. The graphene infrared heater according to claim 5, wherein the insulation positioning structure (4) comprises a cylindrical insulation seat (41) disposed between a circumferential outer side of one end of the conductive rod (22) and a circumferential inner side of one end of the second conductor (3), the circumferential outer side of the insulation seat (41) and the circumferential inner side of the second conductor (3) are abutted against each other, a connecting portion (42) disposed coaxially with the conductive rod (22) is disposed at one end of the conductive rod (22), and the circumferential inner side of the insulation seat (41) and the circumferential outer side of the connecting portion (42) are abutted against each other.
7. The graphene infrared heater according to claim 6, wherein the second conductor (3) has an annular convex ring (43) on the inner circumferential side, one end face of the carrier tube (13) abuts against one side of the annular convex ring (43), and one end face of the insulating base (41) abuts against the other side of the annular convex ring (43).
8. The graphene infrared heater according to claim 5, wherein the outer circumferential wall of the carrier tube (13) is provided with a protective layer (11) covering the outer side of the graphene conductive heating coating (14) and/or the outer circumferential side of the carrier tube (13) is sleeved with a protective sleeve body (12), one end of the protective sleeve body (12) is closed, the inner circumferential side of the protective sleeve body is sleeved on the outer circumferential side of the conductive base (21) and is tightly matched with the conductive base, and the inner circumferential side of the other end of the protective sleeve body is sleeved on the outer circumferential side of the second conductive body (3) and is tightly matched with the conductive base.
9. The graphene infrared heater according to claim 8, wherein an end face of the protective cover body (12), an end face of the second conductor (3), an end face of the insulating base (41), and an end face of the connecting portion (42) are flush with each other.
10. The graphene infrared heater according to claim 8, wherein an end of the conductive socket (21) away from the end connected to the conductive rod (22) has a socket head (211), and the socket head (211) is arc-shaped or taper-shaped.
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| CN201910874658.8A CN110933778A (en) | 2019-09-17 | 2019-09-17 | Graphene infrared heater |
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| CN201910874658.8A CN110933778A (en) | 2019-09-17 | 2019-09-17 | Graphene infrared heater |
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|---|---|---|---|---|
| CA1235450A (en) * | 1983-05-11 | 1988-04-19 | Kazunori Ishii | Flexible heating cable |
| JP2002329570A (en) * | 2001-04-27 | 2002-11-15 | Harison Toshiba Lighting Corp | Tubular heater |
| US20070077821A1 (en) * | 2005-09-30 | 2007-04-05 | Husky Injection Molding Systems Ltd. | Electrical connector assembly for an arcuate surface in a high temperature environment and an associated method of use |
| CN109803457A (en) * | 2019-03-06 | 2019-05-24 | 泉州铭狮卫浴有限公司 | A kind of production method and product structure of graphene electricity heating bar |
| CN211240100U (en) * | 2019-09-17 | 2020-08-11 | 杭州维热智能科技有限责任公司 | Graphene infrared heater |
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- 2019-09-17 CN CN201910874658.8A patent/CN110933778A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1235450A (en) * | 1983-05-11 | 1988-04-19 | Kazunori Ishii | Flexible heating cable |
| JP2002329570A (en) * | 2001-04-27 | 2002-11-15 | Harison Toshiba Lighting Corp | Tubular heater |
| US20070077821A1 (en) * | 2005-09-30 | 2007-04-05 | Husky Injection Molding Systems Ltd. | Electrical connector assembly for an arcuate surface in a high temperature environment and an associated method of use |
| CN109803457A (en) * | 2019-03-06 | 2019-05-24 | 泉州铭狮卫浴有限公司 | A kind of production method and product structure of graphene electricity heating bar |
| CN211240100U (en) * | 2019-09-17 | 2020-08-11 | 杭州维热智能科技有限责任公司 | Graphene infrared heater |
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