CN209882132U - Internal heating type ceramic heating rod - Google Patents
Internal heating type ceramic heating rod Download PDFInfo
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- CN209882132U CN209882132U CN201822151706.4U CN201822151706U CN209882132U CN 209882132 U CN209882132 U CN 209882132U CN 201822151706 U CN201822151706 U CN 201822151706U CN 209882132 U CN209882132 U CN 209882132U
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Abstract
The utility model relates to an internal heating formula ceramic heating rod is applied to and supplies heat and the air current that direct heating installed the object at the internal cavity of barred body or passed from the internal cavity of barred body to the barred body outside object. The internal heating ceramic heating rod comprises a current conducting circuit and a heating circuit, and a curled ceramic chip; the current conducting lines comprise a first current conducting line and a second current conducting line; it is characterized by also comprising a cylindrical ceramic outer lining ring; the curled ceramic chips are sintered on the inner surface of the cylindrical ceramic outer lining ring; the front surface of the curled ceramic chip is tightly attached to the inner surface of the cylindrical ceramic outer lining ring; the heating circuit and a first conductive circuit and a second conductive circuit which are respectively connected to two ends of the heating circuit are distributed on the front surface of the curled ceramic chip; the first welding disk material sintering layer and the second welding disk material sintering layer are distributed on the back of the curled ceramic chip. Has the following effects: firstly, the heat transfer efficiency of the curled ceramic chip is high; secondly, the direct application field of the ceramic heating rod is widened and improved; and thirdly, objects heated outside are safer.
Description
Technical Field
The utility model relates to an internal heating formula ceramic heating rod is applied to and supplies heat and the air current that direct heating installed the object at the internal cavity of barred body or passed from the internal cavity of barred body to the barred body outside object.
Background
The ceramic heating rod using electric energy comprises a cylindrical ceramic lining core and a curled ceramic sheet which is tightly attached to the outer side surface of the cylindrical ceramic lining core through sintering. The cylindrical ceramic lining core is a cylindrical ceramic rod. The cylindrical ceramic rod is made of ceramic materials, the two ends of the cylindrical ceramic rod are flat, the appearance of the side face is cylindrical, and the end face is perpendicular to the side face. The inner surface of the curled ceramic chip is provided with a heating circuit, a first conducting circuit and a second conducting circuit which are respectively connected with two ends of the heating circuit; the outer surface of the curled ceramic wafer is provided with a first welding disk material sintered layer and a second welding disk material sintered layer. The first conductive circuit is electrically connected with the first welding disc material sintering layer through the conductive sintering substance in the first wall hole; the second conductive line is electrically connected to the sintered layer of second bond pad material through the conductive sintered mass in the second wall hole. The first electrode lead is connected with the first welding disc material sintering layer through brazing; the second electrode lead is connected to the second sintered layer of bond pad material by a braze. The first welding disk material sintering layer and the second welding disk material sintering layer used as the welding disks belong to metalized substances and are exposed in a large area, so that the insulation requirements required by people using the welding disks are difficult to meet.
In order to improve the insulating property, the invention creation of the ceramic heating rod (with the publication number of CN 20858195U) of the internal electrode lead is published in the Chinese utility model patent, which comprises a cylindrical ceramic lining core and a curled ceramic plate which is tightly attached to the outer side surface of the cylindrical ceramic lining core through sintering; a first electrode lead and a second electrode lead; the coiled ceramic sheet is provided with a first welding disc material sintering layer and a second welding disc material sintering layer; the inner surface is provided with a heating circuit, a first conductive circuit and a second conductive circuit which are respectively connected with two ends of the heating circuit; the first electrode lead is connected with the first welding disc material sintering layer through brazing; the second electrode lead is connected with the second welding disc material sintering layer through a brazing filler metal; the first welding disc material sintering layer and the second welding disc material sintering layer are sintered on the inner surface of the curled ceramic wafer; the first conductive trace and the second conductive trace are directly electrically coupled to the first sintered layer of bonding pad material and the second sintered layer of bonding pad material, respectively. The hollow bar body is provided with a through hole, so that the hollow bar body can be used for supplying heat to an object outside the bar body and also can be used for directly heating an object arranged in a cavity in the bar body or air flow passing through the cavity in the bar body, a welding groove is formed in the end of the cylindrical ceramic lining core, and a casting sheet loses the support of the surface of the cylindrical ceramic lining core at the welding groove part in sintering, so that the sintering yield and the standardized production in production are influenced; the wall thickness of the cavity through which the cylindrical ceramic liner is inserted also affects the efficiency of heat transfer to the object or air flowing within the cavity by convection and conduction.
Disclosure of Invention
The utility model aims at providing a curling potsherd positive surface (also be the surface) heating circuit generate heat, and every unit area of curtain coating piece all obtains the interior hot type ceramic heating rod that ceramic lining core effectively supported in the sintering.
The purpose of the utility model can be achieved by the following technical scheme: (a) the internal heating ceramic heating rod comprises a current conducting circuit and a heating circuit, and a curled ceramic chip; the current conducting lines comprise a first current conducting line and a second current conducting line; the first current conducting circuit consists of a first electrode lead, a first welding disc material sintering layer and a first conducting circuit; the second current conducting circuit consists of a second electrode lead, a second welding disc material sintered layer and a second conducting circuit; the heating circuit and a first conductive circuit and a second conductive circuit which are respectively connected to two ends of the heating circuit are distributed on the curled porcelain; the first electrode lead is welded on the first welding disc material sintering layer through brazing, and the second electrode lead is welded on the second welding disc material sintering layer through brazing; the first conducting circuit is connected with the first welding disc material sintering layer, and the second conducting circuit is connected with the second welding disc material sintering layer;
the method is characterized in that:
the device also comprises a cylindrical ceramic outer lining ring;
the curled ceramic chips are sintered on the inner surface of the cylindrical ceramic outer lining ring; the front surface of the curled ceramic chip is tightly attached to the inner surface of the cylindrical ceramic outer lining ring;
the heating circuit and a first conductive circuit and a second conductive circuit which are respectively connected to two ends of the heating circuit are distributed on the front surface of the curled ceramic chip;
the first welding disk material sintering layer and the second welding disk material sintering layer are distributed on the back of the curled ceramic chip;
the first conductive circuit is connected with the first welding disc material sintering layer through the conductive sintering substance in the wall hole of the first curled ceramic chip; the second conductive trace is connected to the sintered layer of second bond pad material through the conductive sintered mass in the wall hole of the second curled tile.
The utility model has the advantages of as follows:
1. the curled ceramic chip is formed by sintering a casting sheet which is quite thin and only 0.1-0.2 mm, so that the heat transfer efficiency is high, and the electric heat energy can be directly transferred to an internal heated object or air flowing through the internal heated object without heat conduction through a ceramic rod carrier.
2. The heat receiver is internal, for example: the external heating electric iron, the pipeline heating, the hot air gun, the biological particle igniter and the like widen and improve the application effect of the direct application field of the ceramic heating rod.
3. For an external heated body, the heating mode increases the insulating property of a high-temperature product; and the objects heated outside are safer.
Drawings
Fig. 1 is a schematic view of the unfolding structure of the curled ceramic sheet of the present invention.
In the figure, 2 is a heating circuit, 3 is a first conductive trace, 4 is a conductive sintered substance in a first curled tile wall hole, 5 is a first sintered layer of bonding pad material, 6 is a second sintered layer of bonding pad material, 7 is a conductive sintered substance in a second curled tile wall hole, and 8 is a second conductive trace.
Fig. 2 is a schematic view of the structure of the present invention partially cut open.
In the figure 10 is a cylindrical ceramic backing ring, 11 is a crimped tile, 5 is a sintered layer of a first bond pad material, 12 is a first electrode lead, 13 is a second electrode lead, and 6 is a sintered layer of a second bond pad material.
Detailed Description
The internal heating ceramic heating rod comprises a current conducting circuit, a heating circuit (2) and a curled ceramic chip (11); the current conducting lines comprise a first current conducting line and a second current conducting line; the first current conducting circuit consists of a first electrode lead (12), a first welding disc material sintered layer (5) and a first conducting circuit (3); the second current conducting circuit consists of a second electrode lead (13), a second welding disc material sintered layer (6) and a second conducting circuit (8); the heating circuit (2) and a first conductive circuit (3) and a second conductive circuit (8) which are respectively connected to two ends of the heating circuit are distributed on the curled porcelain; the first electrode lead (12) is welded on the first welding disc material sintered layer (5) through brazing, and the second electrode lead (13) is welded on the second welding disc material sintered layer (6) through brazing; the first conductive circuit (3) is connected with the first welding disc material sintering layer (5), and the second conductive circuit (8) is connected with the second welding disc material sintering layer (6).
The utility model discloses an improvement part is: also includes a cylindrical ceramic outer liner ring (10). The cylindrical ceramic outer lining ring is in a straight round rod shape, and a straight-through cavity with the same length is arranged inside the cylindrical ceramic outer lining ring. Thus the outer surface is cylindrical and the inner surface is cylindrical; the cross-sectional profile is shown as two concentric circles. The inner surface is used for sintering and attaching the curled ceramic chip, and the outer surface is used for contacting with a heated object to realize heat conduction. The curled ceramic tiles (11) are sintered on the inner surface of the cylindrical ceramic outer lining ring (10), and the front faces of the curled ceramic tiles are tightly attached to the inner surface of the cylindrical ceramic outer lining ring. The crimped tiles are formed by sintering cast sheets. The casting sheet clinging to the inner surface of the cylindrical surface ceramic outer lining ring forms a curled ceramic sheet (11) sintered on the inner surface of the cylindrical surface ceramic outer lining ring after a sintering process. The heating circuit (2) and the first conductive circuit (3) and the second conductive circuit (8) which are respectively connected with the two ends of the heating circuit are distributed on the front surface of the curled ceramic chip. The front faces of the curled ceramic tiles are tightly attached to the inner surface of the cylindrical ceramic outer lining ring (10). The first welding disk material sintering layer (5) and the second welding disk material sintering layer are distributed on the back of the curled ceramic chip. The back of the curled tiles are closed into a cylindrical surface and the enclosed cavity is the cavity inside the finished rod body for flowing air to be heated to pass through or for accommodating objects to be heated. The first conductive circuit (3) is connected with the first welding disc material sintering layer (5) through conductive sintering substances (4) in the wall hole of the first curled ceramic chip, and the second conductive circuit (8) is connected with the second welding disc material sintering layer (6) through conductive sintering substances (7) in the wall hole of the second curled ceramic chip. The wall holes of the first curled ceramic chip and the wall holes of the second curled ceramic chip are two through small holes on the tape casting chip before sintering, and conductive materials are filled in the holes. The conductive material is sintered to form the conductive sintered substance. The conductive sintering material electrically connects the conductive circuits on the front and back surfaces of the curled ceramic chip with the sintered layer of the welding disk material.
The utility model discloses the preparation method includes:
(i) manufacturing a cylindrical ceramic rod;
(ii) manufacturing a tape casting sheet and printing high-temperature heating slurry on the tape casting sheet to obtain a front and back slurry line tape casting sheet;
(iii) curling the front and back slurry circuit tape casting sheets on a cylindrical ceramic rod to obtain a tape casting sheet ceramic rod combination body;
(iv) sintering the tape casting sheet ceramic rod combination body at a high temperature to enable the tape casting sheet of the slurry circuit on the front side and the back side to form a curled ceramic sheet and enable the curled ceramic sheet and the cylindrical surface ceramic rod to be sintered into a whole.
The manufacturing method of the utility model is characterized in that:
i the cylindrical ceramic rod is a cylindrical ceramic outer lining ring;
and iii, curling the front and back slurry line casting sheet on a cylindrical ceramic rod according to the following steps:
(v) and spraying adhesives on the front surface and the back surface of the front-back surface slurry circuit casting sheet, and attaching release paper on each surface to obtain the double-sided release paper front-back surface slurry circuit casting sheet.
(vi) Spraying an adhesive on the back of the slurry circuit casting sheet on the front side and the back side of the double-sided release paper, and then using a metal round bar to roll the slurry circuit casting sheet on the front side and the back side of the double-sided release paper on the metal round bar; when curling, the back of the slurry line tape casting sheet on the front and back of the double-sided release paper is adhered to the metal round bar, and the front is outside; the diameter of the metal round rod is 0.5-0.9 times of the diameter of the inner circle of the cylindrical ceramic outer lining ring, and the length of the metal round rod is 3-8 times of the length of the cylindrical ceramic outer lining ring.
(vii) And placing the cylindrical ceramic outer lining ring and a metal round bar curling the double-sided release paper front and back slurry line tape-casting sheet on a metal plate for heating, wherein the surface temperature of the metal plate is 40-60 ℃.
(viii) After the front and back slurry circuit casting sheet is heated and softened, peeling off release paper on the outer layer of the front and back slurry circuit casting sheet, sleeving a cylindrical ceramic outer lining ring outside the front and back slurry circuit casting sheet, holding two ends of a metal round rod by two hands, rolling back and forth on a metal plate, enabling the front of the front and back slurry circuit casting sheet to be attached to the inner surface of the cylindrical ceramic outer lining ring until the front and back slurry circuit casting sheet is attached to the inner surface of the ceramic outer lining ring, separating the back release paper from the casting sheet, and drawing out the metal round rod.
The utility model discloses during the use, first electrode lead wire and second electrode lead wire connect the two poles of the earth of power respectively. After the power supply is switched on, the current flows through the heating circuit on the front surface of the curled ceramic plate to generate heat. Because the curled ceramic wafer is very thin, the temperature of the curled ceramic wafer is quickly raised, and heat can be conducted to the cavity inside the cylindrical ceramic outer lining sleeve at a high temperature gradient, so that the temperature of an object positioned in the cavity or air flowing through the cavity is quickly raised. Meanwhile, because the side wall of the cylindrical ceramic outer lining ring is relatively thick, heat is transmitted to an object outside the ring at a lower temperature gradient, but the insulating property to an external heated object is improved. When viewed from the radial direction, heat is dispersed when heat is transmitted outwards; while the heat is concentrated during inward transfer. Therefore, the utility model discloses be different from the rule that generally uses the outside dispersion of heat to propagate among the prior art, used the rule heating object of inside concentrated heat propagation, make direct application obtain widening and direct application's heat utilization is improved.
Claims (1)
1. The internal heating ceramic heating rod comprises a current conducting circuit, a heating circuit (2) and a curled ceramic chip (11); the current conducting lines comprise a first current conducting line and a second current conducting line; the first current conducting circuit consists of a first electrode lead (12), a first welding disc material sintered layer (5) and a first conducting circuit (3); the second current conducting circuit consists of a second electrode lead (13), a second welding disc material sintered layer (6) and a second conducting circuit (8); the heating circuit (2) and a first conductive circuit (3) and a second conductive circuit (8) which are respectively connected to two ends of the heating circuit are distributed on the curled porcelain; the first electrode lead (12) is welded on the first welding disc material sintered layer (5) through brazing, and the second electrode lead (13) is welded on the second welding disc material sintered layer (6) through brazing; the first conducting circuit (3) is connected with the first welding disc material sintering layer (5), and the second conducting circuit (8) is connected with the second welding disc material sintering layer (6);
the method is characterized in that:
also comprises a cylindrical ceramic outer lining ring (10);
the curled ceramic tiles (11) are sintered on the inner surface of the cylindrical ceramic outer lining ring (10); the front surface of the curled ceramic chip is tightly attached to the inner surface of the cylindrical ceramic outer lining ring;
the heating circuit (2) and a first conductive circuit (3) and a second conductive circuit (8) which are respectively connected to two ends of the heating circuit are distributed on the front surface of the curled ceramic chip;
the first welding disk material sintering layer (5) and the second welding disk material sintering layer are distributed on the back of the curled ceramic chip;
the first conductive circuit (3) is connected with the first welding disc material sintering layer (5) through conductive sintering substances (4) in the wall hole of the first curled ceramic chip, and the second conductive circuit (8) is connected with the second welding disc material sintering layer (6) through conductive sintering substances (7) in the wall hole of the second curled ceramic chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151706.4U CN209882132U (en) | 2018-12-20 | 2018-12-20 | Internal heating type ceramic heating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151706.4U CN209882132U (en) | 2018-12-20 | 2018-12-20 | Internal heating type ceramic heating rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209882132U true CN209882132U (en) | 2019-12-31 |
Family
ID=68945644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822151706.4U Active CN209882132U (en) | 2018-12-20 | 2018-12-20 | Internal heating type ceramic heating rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209882132U (en) |
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2018
- 2018-12-20 CN CN201822151706.4U patent/CN209882132U/en active Active
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