CN111296896A - Heating device of electronic cigarette - Google Patents
Heating device of electronic cigarette Download PDFInfo
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- CN111296896A CN111296896A CN201911245116.0A CN201911245116A CN111296896A CN 111296896 A CN111296896 A CN 111296896A CN 201911245116 A CN201911245116 A CN 201911245116A CN 111296896 A CN111296896 A CN 111296896A
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- heating unit
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- heating device
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Abstract
The invention discloses a heating device of an electronic cigarette, which comprises a base body, a first heating unit and a second heating unit, wherein the base body comprises a surface A and a surface B opposite to the surface A, the base body comprises a first base section and a second base section, the first heating unit is positioned on the surface A of the first base section, and the second heating unit is positioned on the surface B of the second base section; the first heating unit and the second heating unit are respectively electrically connected with the power supply. Divide the face segmentation to set up first heating unit and second heating unit on the base member, the second heating unit need not reserve the line space of walking with being connected with the power for first heating unit, like this under the condition that does not change the base member width, just can let the second heating unit set up wideerly, on the one hand the second heating unit can be more even give the heating of tobacco products, on the other hand wideer space sets up the second heating unit, the processing is changeed to the second heating unit, whole heating device's yield is higher.
Description
Technical Field
The invention relates to the field of electronic smoking sets, in particular to a heating device of an electronic cigarette.
Background
When the cigarette is burnt, harmful gases such as carbon monoxide and the like can be generated. Along with the development of science and technology, the non-combustion type electronic cigarette is heated, namely, a baking mode is adopted, so that the cigarette product emits smoke for people to suck.
The existing heating needle is printed with a circuit on one surface of the heating needle, so that the advantage is that the process is simple, and the multi-section printed circuit can be completed only by printing once, but for long tobacco products (such as traditional cigarettes), when smoke is generated by heating, the segmented heating of the tobacco products is often needed to be realized in order to prolong the smoking time. In the prior art (as shown in fig. 1), because the circuit is printed on one side of the heating needle, a certain space c needs to be reserved for the first heating circuit a close to the fixed end, so that the second heating circuit b can form a loop with the power supply through the reserved space c, and the segmented heating of the smoking article is realized. A certain space c needs to be reserved in the second heating circuit b, the width of the heating needle is strictly limited for the heating needle to be easily inserted into a tobacco product, and the width of the heating needle cannot be freely increased, so that the second heating circuit b can only be narrowed, and on one hand, because the second heating circuit b needs to form a loop with a power supply, the second heating circuit b is too narrow and is not easy to print, the yield is low; on the other hand, the reserved space c is not provided with a heating circuit, so that the tobacco product cannot be heated well.
Disclosure of Invention
In order to solve the existing problems, the invention provides a heating device of an electronic cigarette, wherein a first heating unit and a second heating unit are arranged on a base body in a sectional manner, and the second heating unit does not need to reserve a wiring space connected with a power supply for the first heating unit, so that the second heating unit can be arranged wider under the condition of not changing the width of the base body, on one hand, the second heating unit can heat cigarette products more uniformly, on the other hand, the wider space is provided with the second heating unit, the second heating unit is easier to process, and the yield of the whole heating device is higher.
The technical scheme adopted by the invention is as follows:
a heating device of an electronic cigarette is used for heating a smoking article after being connected with a power supply, and is characterized by comprising a base body, a first heating unit and a second heating unit, wherein the base body comprises an A surface and a B surface opposite to the A surface, the base body comprises a first base section and a second base section, the first heating unit is positioned on the A surface of the first base section, and the second heating unit is positioned on the B surface of the second base section; the first heating unit and the second heating unit are respectively electrically connected with the power supply.
Realize on the base member that the facet segmentation sets up first heating unit and second heating unit, the second heating unit need not reserve the line space of walking with being connected with the power for first heating unit, like this under the condition that does not change the base member width, just can let the second heating unit set up wideerly, on the one hand the second heating unit can be more even give the heating of tobacco products, on the other hand wideer space sets up the second heating unit, the processing is changeed to the second heating unit, whole heating device's yield is higher.
Furthermore, the base body comprises an inserting end and a fixed end far away from the inserting end, and the cross section of the inserting end is smaller than that of the fixed end; and/or the width d of the substrate is 2.5-4 mm.
The cross section of the insertion end is smaller than that of the fixed end, so that the heating device can be inserted into a smoking article more conveniently.
Still further, the base body further comprises a cooling section adjacent to the fixed end.
In the existing heating needle, a heating unit is arranged close to the fixed end, so that on one hand, the temperature of a base for fixing the heating needle is high; on the other hand, the heating pin also transfers the temperature to the circuit board connected with the heating pin, so that the circuit board is high in temperature and easy to damage. The cooling section is additionally arranged, so that the distance between the first heating unit and the circuit board and the distance between the second heating unit and the circuit board are increased, the heat transmitted to the circuit board by the first heating unit and the second heating unit can be effectively reduced, and the circuit board is prevented from being damaged due to high temperature.
Furthermore, the length L of the cooling section is 5-20 mm.
The cooling section is in the range, so that on one hand, the whole matrix is not too long and the strength is not reduced because the cooling section is too long, and the matrix is not bent and deformed when a smoking article is inserted; on the other hand, the length can also effectively reduce the heat transferred to the circuit board by the first heating unit and the second heating unit, and the circuit board is prevented from being damaged due to high temperature. The length of the cooling section is preferably 10 mm.
Still further, the base includes a conductive base body and a first insulating layer attached to the base body.
Furthermore, the first insulating layer is an aluminum oxide film obtained by anodizing the substrate.
Further, the base body is made of titanium alloy, stainless steel or tungsten steel with aluminum plated on the surface.
Titanium alloy, stainless steel and tungsten steel have high strength and good electric conductivity, and are not easy to bend and deform when a substrate is inserted into the smoking article.
Furthermore, the heating element also comprises a first electric conductor and a second electric conductor, a conductive notch is reserved in the insulating layer, one end of each of the first heating unit and the second heating unit is electrically communicated with the base body through the conductive notch, and the other end of each of the first heating unit and the second heating unit is electrically connected with the first electric conductor and the second electric conductor respectively; or the heating device further comprises a third conductor and a fourth conductor, wherein the third conductor and the fourth conductor are respectively and electrically connected with two ends of the first heating unit and the second heating unit.
The base body is used as a common electrode to be electrically connected with one ends, close to the insertion end, of the first heating unit and the second heating unit, one ends, close to the fixed end, of the first heating unit and the second heating unit are electrically connected with the first conductor and the second conductor respectively, so that the first heating unit and the second heating unit can be arranged into sheets, the heating areas of the first heating unit and the second heating unit are larger, and the smoking articles are heated more uniformly. The base body may not be a common electrode, and both ends of the first and second heat generating units form a loop with the third and fourth conductors, respectively, and in this case, the base body may not be limited to be made of a conductive material, but may be made of an insulating material (e.g., ceramic).
Furthermore, the heat-generating module further comprises a second insulating layer, and the second insulating layer is wrapped on the substrate, the first heat-generating unit and the second heat-generating unit.
One function of the second insulating layer is insulation, the other function of the second insulating layer is to enable the surface of the heating device to be smoother, after the first heating unit and the second heating unit are arranged on the surface of the base body, some parts are not smooth enough, the second insulating layer can fill up the uneven parts, and the surface of the heating device is ensured to be smooth, so that when the heating device is inserted into a tobacco product, the friction between the tobacco product and the heating device is reduced, and the heating device can be inserted into the tobacco product more easily; on the other hand, the heating device has a smooth surface and is easier to clean.
Further, the second insulating layer is made of microcrystalline glass or black microcrystalline glass.
The second insulating layer is made of microcrystalline glass, so that tobacco tar and the like after the tobacco product is baked can be reduced or avoided from being adhered to the second insulating layer, and on one hand, the heating device is ensured to be clean and clean; on the other hand, the phenomenon that tobacco tar and the like are adhered to the second insulating layer, so that the heating device is high in friction force and not easy to insert when being inserted into the smoking product, is avoided.
In conclusion, the beneficial effects of the invention are as follows:
1. the first heating unit and the second heating unit are arranged on the base body in a split-surface and segmented mode, wiring space connected with a power supply is not reserved for the first heating unit by the second heating unit, and therefore the second heating unit can be arranged to be wider under the condition that the width of the base body is not changed;
2. the temperature reduction section is arranged on the base body close to the fixed end, so that heat transferred to the circuit board by the first heating unit and the second heating unit can be effectively reduced, and the circuit board is prevented from being damaged due to high temperature;
3. the base body is used as a common pole to be electrically connected with one ends, close to the insertion end, of the first heating unit and the second heating unit, the first electric conductor and the second electric conductor are electrically connected with one ends, close to the fixed end, of the first heating unit and the second heating unit respectively, therefore, the first heating unit and the second heating unit can be arranged in a sheet shape, the heating areas of the first heating unit and the second heating unit are larger, and the heating of the smoking article is more uniform.
Drawings
FIG. 1 is a prior art diagram;
FIG. 2 is a perspective view of the first embodiment;
FIG. 3 is a view of the first embodiment taken from side A;
FIG. 4 is a view of the first embodiment taken along the plane B;
FIG. 5 is a cross-sectional view taken along line D-D;
FIG. 6 is an overall schematic view of the first embodiment;
FIG. 7 is a view of the second embodiment taken from the side A;
FIG. 8 is a view of the second embodiment taken along the plane B.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
2-8, a heating device of an electronic cigarette for heating a smoking article after being connected with a power supply comprises a base body 1, a first heating unit 2 and a second heating unit 3, wherein the base body 1 comprises an A surface and a B surface opposite to the A surface, the base body 1 comprises a first base section 101 and a second base section 102, the first heating unit 2 is positioned at the first base section 101 of the A surface of the base body 1, and the second heating unit 3 is positioned at the second base section 102 of the B surface of the base body 1; the first and second heat generating units 2 and 3 are in electrical communication with the power source such that the first and second heat generating units 2 and 3 heat the first and second base sections 101 and 102, respectively. Realize on base member 1 that the facet segmentation sets up first heating unit 2 and second heating unit 3, second heating unit 3 need not reserve the line space of being connected with the power for first heating unit 2, under the condition that does not change base member 1 width like this, just can let second heating unit 3 set up wideerly, on the one hand second heating unit 3 can be more even give the heating of tobacco products, on the other hand wideer space sets up second heating unit 3, second heating unit 3 is changeed processing, whole heating device's yield is higher.
The first heat generating unit 2 and/or the second heat generating unit 3 may be a printed circuit or a circuit attached to the base 1.
The base body 1 comprises an insertion end 103 and a fixed end 104 far away from the insertion end 103, wherein the cross section of the insertion end 103 is smaller than that of the fixed end 104. The cross-section of the insertion end 103 is smaller than the cross-section of the fixed end 104, which further facilitates the insertion of the heating device into the smoking article. The width d of the substrate 1 is 2.5-4mm, preferably, the width d of the substrate 1 is 3-3.5 mm.
The base body 1 further comprises a cooling section 105 close to the fixed end 104, and the existing heating pins are all provided with heating units close to the fixed end 104, so that on one hand, the temperature of a base for fixing the heating pins is high; on the other hand, the heating pin also transfers the temperature to the circuit board connected with the heating pin, so that the circuit board is high in temperature and easy to damage. The cooling section 105 is additionally arranged, so that the distances between the first heating unit 2 and the second heating unit 3 and the circuit board are increased, the heat transmitted to the circuit board by the first heating unit 2 and the second heating unit 3 can be effectively reduced, and the circuit board is prevented from being damaged due to high temperature. The length L (shown in figure 4) of the cooling section 105 is 5-20 mm. The cooling section 105 is in the range, on one hand, the whole matrix 1 is not too long and the strength is not reduced because the cooling section 105 is too long, and the matrix is not bent and deformed when the smoking article is inserted; on the other hand, the length can also effectively reduce the heat transferred to the circuit board by the first heating unit 2 and the second heating unit 3, and the circuit board is prevented from being damaged due to high temperature. The length L of the cooling section 105 is preferably 10 mm.
The base body 1 is made of an insulating material.
Or as shown in fig. 5, the base 1 includes a conductive base body 106 and a first insulating layer 107, and the first insulating layer 107 is attached to the base body 106. The base body 106 is made of titanium alloy, stainless steel or tungsten steel with aluminum plated on the surface, and the titanium alloy, the stainless steel or the tungsten steel has high strength and good electric conductivity and is not easy to bend and deform when the base 1 is inserted into the smoking article. Of course, the base body 106 can also be made directly of aluminum or an aluminum alloy. The first insulating layer 107 is an aluminum oxide film obtained by anodizing the substrate 1. The aluminum oxide film has good insulating property.
The first conductor 4 and the second conductor 5 are connected to the power source in at least two ways, which are only exemplified and not limited.
First (as in fig. 2-6): when the base body 106 is made of a conductive material, the heating device further includes a first conductive body 4 and a second conductive body 5, and the first conductive body 4 and the second conductive body 5 are electrically connected to the ends of the first heating unit 2 and the second heating unit 3 close to the fixed end 104, respectively; a conductive gap (not shown) is reserved in the insulating layer, so that one ends of the first heating unit 2 and the second heating unit 3 close to the insertion end 103 are electrically communicated with the base body 106 through the conductive gap, and the first conductor 4, the first heating unit 2, the base body 106 and the power supply form a first conductive loop; the second conductor 5, the second heating element 3, the base body 106 and the power supply form a second conductive loop. The base body 106 is used as a common pole to be electrically connected with one ends, close to the insertion end 103, of the first heating unit 2 and the second heating unit 3, the first electric conductor 4 and the second electric conductor 5 are respectively electrically connected with one ends, close to the fixed end 104, of the first heating unit 2 and the second heating unit 3, so that the first heating unit 2 and the second heating unit 3 can be arranged into a sheet shape, the heating areas of the first heating unit 2 and the second heating unit 3 are larger, and the smoking articles are heated more uniformly. The base body 106 is further provided with a protruding conductive portion 108, which can be electrically connected to a circuit board.
Second (as in fig. 7-8): the substrate 1 may not be a common electrode, and the heating device further includes a third conductor 6 and a fourth conductor 7, where the third conductor 6 and the fourth conductor 7 are electrically connected to two ends of the first heating unit 2 and the second heating unit 3, respectively. The substrate 1 can be made of a conductor or a nonconductor (e.g. ceramic).
As shown in fig. 5 to 6, the heating apparatus further includes a second insulating layer 8, and the second insulating layer 8 covers the substrate 1, the first heat generating unit 2, and the second heat generating unit 3. One function of the second insulating layer 8 is insulation, the other function is to make the surface of the heating device smoother, after the first heating unit 2 and the second heating unit 3 are arranged on the surface of the base body 1, some parts are not smooth enough, the second insulating layer 8 can fill up the uneven parts to ensure that the surface of the heating device is smooth, so that when the heating device is inserted into a tobacco product, the friction between the tobacco product and the heating device is reduced, and the heating device can be inserted into the tobacco product more easily; on the other hand, the heating device has a smooth surface and is easier to clean. The second insulating layer 8 is made of microcrystalline glass or black microcrystalline glass. The second insulating layer 8 is made of microcrystalline glass, so that tobacco tar and the like after the tobacco product is baked can be reduced or avoided from being adhered to the second insulating layer 8, and on one hand, the heating device is clean and clean; on the other hand, the adhesion of tobacco tar and the like on the second insulating layer 8 is avoided, so that the heating device has high friction force and is not easy to insert when being inserted into the tobacco product. The black glass ceramics can enhance the heat radiation and release more heat to heat the smoking article.
The manufacturing process of the heating device comprises the following steps:
the base body 106 is electrically conductive: a first insulating layer 107 is provided on the base body 106, then the first heat generating unit 2 and the second heat generating unit 3 are provided on the first insulating layer 107, and then the second insulating layer 8 is provided.
The substrate 1 is made of an insulating material: the first heat generating unit 2 and the second heat generating unit 3 are provided on the base body 106, and then the second insulating layer 8 is provided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A heating device of an electronic cigarette is used for heating a smoking article after being connected with a power supply, and is characterized by comprising a base body, a first heating unit and a second heating unit, wherein the base body comprises an A surface and a B surface opposite to the A surface, the base body comprises a first base section and a second base section, the first heating unit is positioned on the A surface of the first base section, and the second heating unit is positioned on the B surface of the second base section; the first heating unit and the second heating unit are respectively electrically connected with the power supply.
2. The heating device of claim 1, wherein the base body comprises an insertion end and a fixed end far away from the insertion end, and the cross section of the insertion end is smaller than that of the fixed end; and/or the width d of the substrate is 2.5-4 mm.
3. The heating device of claim 2, wherein said base further comprises a cooling section proximate said fixed end.
4. The heating device of claim 3, wherein the cooling section has a length L of 5-20 mm.
5. The heating device of claim 3, wherein the base body comprises an electrically conductive base body and a first insulating layer, the first insulating layer being attached to the base body.
6. The heating device of an electronic cigarette according to claim 5, wherein the first insulating layer is an aluminum oxide film obtained by anodizing the substrate.
7. The heating device of an electronic cigarette according to claim 6, wherein the base body is made of titanium alloy with aluminum plated surface, stainless steel or tungsten steel.
8. The heating device of claim 7, further comprising a first conductor and a second conductor, wherein a conductive gap is reserved in the insulating layer, one end of the first heating unit and one end of the second heating unit are electrically connected to the base body through the conductive gap, and the other end of the first heating unit and the other end of the second heating unit are electrically connected to the first conductor and the second conductor, respectively; or the heating device further comprises a third conductor and a fourth conductor, wherein the third conductor and the fourth conductor are respectively and electrically connected with two ends of the first heating unit and the second heating unit.
9. The heating device of an electronic cigarette according to any of claims 1 to 8, further comprising a second insulating layer, wherein the second insulating layer covers the base, the first heat generating unit and the second heat generating unit.
10. The heating device of an electronic cigarette according to claim 9, wherein the second insulating layer is made of microcrystalline glass or black microcrystalline glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245116.0A CN111296896A (en) | 2019-12-06 | 2019-12-06 | Heating device of electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245116.0A CN111296896A (en) | 2019-12-06 | 2019-12-06 | Heating device of electronic cigarette |
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| Publication Number | Publication Date |
|---|---|
| CN111296896A true CN111296896A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911245116.0A Pending CN111296896A (en) | 2019-12-06 | 2019-12-06 | Heating device of electronic cigarette |
Country Status (1)
| Country | Link |
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| CN (1) | CN111296896A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137172A (en) * | 2020-09-23 | 2020-12-29 | 深圳麦时科技有限公司 | Heating non-combustion baking device and heating device thereof |
| CN113100482A (en) * | 2021-05-19 | 2021-07-13 | 王静怡 | Heating device of electronic cigarette |
| CN113475780A (en) * | 2021-07-07 | 2021-10-08 | 株洲利德英可电子科技有限公司 | Electronic cigarette heating sheet, manufacturing method thereof and electronic cigarette |
-
2019
- 2019-12-06 CN CN201911245116.0A patent/CN111296896A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137172A (en) * | 2020-09-23 | 2020-12-29 | 深圳麦时科技有限公司 | Heating non-combustion baking device and heating device thereof |
| WO2022062645A1 (en) * | 2020-09-23 | 2022-03-31 | 深圳麦时科技有限公司 | Heat-not-burn baking apparatus and heating device thereof |
| CN113100482A (en) * | 2021-05-19 | 2021-07-13 | 王静怡 | Heating device of electronic cigarette |
| CN113475780A (en) * | 2021-07-07 | 2021-10-08 | 株洲利德英可电子科技有限公司 | Electronic cigarette heating sheet, manufacturing method thereof and electronic cigarette |
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