CN213908511U - Heating body and low temperature baking smoking set with printed temperature resistance - Google Patents
Heating body and low temperature baking smoking set with printed temperature resistance Download PDFInfo
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- CN213908511U CN213908511U CN202022665020.4U CN202022665020U CN213908511U CN 213908511 U CN213908511 U CN 213908511U CN 202022665020 U CN202022665020 U CN 202022665020U CN 213908511 U CN213908511 U CN 213908511U
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- ceramic substrate
- heating element
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 134
- 230000000391 smoking effect Effects 0.000 title claims description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 15
- 239000011253 protective coating Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 9
- 238000007639 printing Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
- 238000013035 low temperature curing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- Control Of Resistance Heating (AREA)
Abstract
本实用新型公开了一种自带印刷感温电阻的发热体及低温烘焙烟具。该自带印刷感温电阻的发热体，包括第一陶瓷基材、第二陶瓷基材、发热线路和感温线路，所述发热线路设置在所述第一陶瓷基材上，所述感温线路印刷贴合设置在所述第一陶瓷基材和所述第二陶瓷基材之间。本申请发热线路在工作时产生热量，感温线路采集发热线路相应位置的温度信息并反馈至外部主板，协助其控制发热体的温度，感温线路与发热体之间贴合成一体，发热线路与感温线路之间间隙稳定，位置统一，对温度精确控制可以提供保证，而且感温元件也不易损坏。
The utility model discloses a heating body and a low-temperature baking cigarette set with a self-printed temperature-sensing resistance. The heating body with its own printed temperature-sensing resistor includes a first ceramic substrate, a second ceramic substrate, a heating circuit and a temperature-sensing circuit, the heating circuit is arranged on the first ceramic substrate, and the temperature-sensing circuit is A printed circuit bond is disposed between the first ceramic substrate and the second ceramic substrate. The heating circuit of this application generates heat during operation, and the temperature sensing circuit collects the temperature information at the corresponding position of the heating circuit and feeds it back to the external motherboard to assist it in controlling the temperature of the heating element. The gap between the temperature sensing lines is stable and the position is uniform, which can provide a guarantee for precise temperature control, and the temperature sensing element is not easy to be damaged.
Description
Technical Field
The utility model belongs to the technical field of smoking articles for use, especially, relate to a heat-generating body and low temperature cure smoking set from area printing temperature sensing resistance.
Background
The smoking set that does not burn in the heating has very high requirement to the temperature accuracy of heat-generating body, and the temperature height all can influence the smoking of cigarette taste and experience the sense, and current temperature control scheme is through wrapping up current standard thermistor on two markets with the high temperature sticky tape on the heat-generating body, feeds back the heat-generating body signal to main control chip to realize temperature accurate control, as shown in figure 1. This solution has several problems in mass production on a production line: the position of the thermistor is difficult for workers to realize accurate positioning; the fitting gaps between the thermistor and the heating element are different; the thermistor is made of glass and is easy to break when being wrapped; and the speed of the wrapping operation of workers is slow, and the assembly cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the background art at least, provide a heat-generating body and low temperature baking smoking set from taking printing temperature sensing resistance for this reason.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the heating element with the printed temperature-sensing resistor comprises a first ceramic base material, a second ceramic base material, a heating circuit and a temperature-sensing circuit, wherein the heating circuit is arranged on the first ceramic base material, and the temperature-sensing circuit is arranged between the first ceramic base material and the second ceramic base material in a printing and attaching mode.
Specifically, the heating line, the first ceramic base material, the temperature sensing line and the second ceramic base material are sequentially attached and then rolled into a tubular body with a central hole, and the heating line is located on the inner side of the tubular body.
Specifically, the heating line is divided into a plurality of heating zones in the axial direction of the tubular body, and each heating zone is provided with the corresponding temperature sensing line.
Specifically, an axially extending arc-shaped groove is formed in the inner wall of the tubular body.
Specifically, the inner surface of the tubular body is provided with a protective coating layer that protects the heating circuit.
Specifically, the protective coating is a glass glaze coating.
Specifically, the heating circuit is printed on the first ceramic substrate, and the temperature sensing circuit is printed on the second ceramic substrate.
The utility model provides a low temperature cures smoking set, includes casing and above-mentioned heat-generating body, be equipped with mainboard and battery in the casing, the battery with the mainboard electricity is connected, be formed with the ascending heating chamber of opening in the casing, the heat-generating body sets up in the heating chamber, heating circuit and temperature sensing circuit all with mainboard electricity in the casing is connected.
Specifically, a heat insulation layer is arranged outside the heating cavity.
Specifically, the top of the housing is provided with a dust cover for shielding the top opening of the heating cavity.
Compared with the prior art, the utility model discloses the beneficial effect who has lies in: the heating circuit and the temperature sensing circuit are formed by printing conductive paste through a screen printing process, the heating circuit generates heat during working, the temperature sensing circuit collects temperature information of corresponding positions of the heating circuit and feeds the temperature information back to an external main board to assist the external main board to control the temperature of the heating body, the temperature sensing circuit and the heating body are integrally attached, a gap between the heating circuit and the temperature sensing circuit is stable, the positions are unified, accurate temperature control can be guaranteed, and a temperature sensing element is not easy to damage.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view showing a mounting structure of a temperature measuring element on a conventional heating body;
FIG. 2 is a schematic view of a heating element according to an embodiment of the present invention;
FIG. 3 is a schematic view of the development structure of a heating element according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a low-temperature baking smoking set according to an embodiment of the present invention;
fig. 5 is an exploded view of a low temperature curing smoking set in accordance with an embodiment of the present invention;
wherein: 1-a heating area; 2-a thermistor; 3-high temperature adhesive tape; 4-a heating element; 401-a first ceramic substrate; 402-a second ceramic substrate; 403-heating line; 404-temperature sensing circuit; 5-arc groove; 6-a shell; 601-upper cover; 602-a lower cover; 603-middle frame; 7-a main board; 8-a battery; 9-heating chamber; 10-heating element upper flange; 11-a heating element lower flange; 12-a scaffold; 13-dust cover; 14-a thermally insulating layer; 15-low-temperature cigarettes; 16-charging port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic diagram of a conventional heating unit structure, the heating unit is exemplified by a heating tube surrounding heating, and generally divided into an upper heating area 1 and a lower heating area 1, and since temperature control is required, a thermistor 2 is required to be arranged in each heating area 1 to obtain temperature information of a corresponding area and feed back the temperature information to a PCB board, as shown in the figure, the heating unit is divided into two heating areas 1, and two thermistors 2 are correspondingly arranged, since the conventional thermistor 2 is an individual (common is spherical), it is required to be covered at a corresponding position of the heating unit, and then the heating unit is tightly covered on the heating unit by a high-temperature adhesive tape 3, and there are several problems in batch production on a production line in this scheme: the position of the thermistor is difficult for workers to realize accurate positioning; the attachment gaps between the thermistor 2 and the heating element are each different; the thermistor 2 is made of glass, and is easy to break during wrapping, and the wrapping operation speed of workers is slow, and the assembly cost is high.
Fig. 3 is a schematic diagram of a layered structure of a heating element with a printed temperature sensing resistor in an unfolded state according to an embodiment of the present invention, as shown in the figure, taking a surrounding heating element as an example, a heating element 4 includes a first ceramic substrate 401, a second ceramic substrate 402, a heating circuit 403 and a temperature sensing circuit 404, the heating circuit 403 is disposed on the first ceramic substrate 401, the temperature sensing circuit 404 is printed and attached between the first ceramic substrate 401 and the second ceramic substrate 402, the heating circuit 403 generates heat during operation, and the temperature sensing circuit 404 collects temperature information of a corresponding position of the heating circuit 403 and feeds the temperature information back to a PCB board of a low-temperature smoking set where the heating element is located, so as to assist the PCB board in controlling the temperature of the heating element.
The heating line 403 of this embodiment is arranged on the first ceramic substrate 401, and is formed by printing the conductive paste with a small square resistance and a fast heating speed by a screen printing process, and the temperature sensing line 404 is arranged on the second ceramic substrate 402, and is formed by printing the conductive paste with a large square resistance by a screen printing process.
As shown in fig. 3, in actual practice, after printing a heating wire 403 on a first ceramic substrate 401 and a temperature sensing wire 404 on a second ceramic substrate 402, the two substrates are laminated together, rolled into a tubular body with a central hole, placed in an isostatic press for isostatic pressing to form the two substrates into a whole, and then sintered to finally form a ceramic heating element with a certain strength, and the lead terminals of the heating wire 403 and the temperature sensing wire 404 are led out from the tail end of the ceramic heating element, thereby facilitating connection with an external power supply. The gap between the temperature sensing circuit 404 and the heating circuit 403 is stable, the positions are uniform, the temperature is accurately controlled, and the temperature sensing circuit 404 serving as a temperature sensing element is not easy to damage.
In this embodiment, the heating circuit 403 and the temperature sensing circuit 404 are formed by printing conductive paste through a screen printing process, the heating circuit 403 generates heat during operation, the temperature sensing circuit 404 collects temperature information of a corresponding position of the heating circuit 403 and feeds the temperature information back to an external main board to assist the external main board to control the temperature of a heating element, the temperature sensing circuit 404 and the heating element are bonded into a whole, a gap between the heating circuit 403 and the temperature sensing circuit 404 is stable, positions are uniform, accurate control of the temperature can be guaranteed, and a temperature sensing element is not easy to damage.
In some possible embodiments, the heating circuit 403 is located on the inner sidewall of the tubular body, and the inner surface of the tubular body is further provided with a protective coating (not shown) for protecting the heating circuit 403. In this way, the heating line can be protected by the protective coating, the heating line is prevented from being oxidized by air during heating, and the protective coating is provided to facilitate cleaning of the inner wall of the innermost first ceramic substrate 401, thereby prolonging the service life of the heating element and achieving high practicability.
Specifically, the glass glaze coating can be used as the protective coating, and the characteristics of high strength, high hardness, good weather resistance and good corrosion resistance of the glass glaze coating can be utilized to provide better protection for the heating circuit 403. The ceramic substrate can be zirconia ceramic, mullite ceramic, silicon nitride ceramic or alumina ceramic. By adopting the ceramic of the above kind, the heat conduction performance is good, the high temperature resistance is strong, the mechanical strength is high, the corrosion resistance and the wear resistance are realized, the heating body has higher strength, the heat conduction performance of the heating is good, the heating efficiency of the heating body is improved, and the practicability is high.
Specifically, be equipped with axially extended arc recess 5 on the inner wall of siphonozooid, after heating-up body 4 installs to low temperature baking smoking set, low temperature cigarette inserts in the centre bore of heating-up body, and arc recess 5 acts as air inlet channel, and outside air current can be inside from low temperature cigarette bottom entering cigarette through arc recess 5, and the suction resistance is little, and user experience feels good.
As shown in fig. 2, the heat generating body 4 includes a first ceramic base material 401, a second ceramic base material 402, and a heat generating line 403 coated on the first ceramic base material 401 and a temperature sensing line 404 coated on the second ceramic base material 402, the heat generating line 403 being divided into a first heat generating region and a second heat generating region in the heat generating body axial direction; the temperature sensing circuits 404 are independently arranged in two groups on the second ceramic substrate 402, wherein one group of the temperature sensing circuits 402 corresponds to the first heating area and is used for acquiring temperature information of the first heating area, and the other group of the temperature sensing circuits 402 corresponds to the second heating area and is used for acquiring temperature information of the second heating area.
In this embodiment, the heat-generating body can realize the subregion heating, through the resistance size in the adjustment each district that generates heat, can adjust the heating temperature in each district that generates heat, and then satisfies diversified heating demand.
Referring to fig. 4 and 5, a low-temperature baking smoking set comprising the heating element, the low-temperature baking smoking set comprises the heating element 4 and a casing 6, a main board 7 and a battery 8 are arranged in the casing 6, the battery 8 is electrically connected with the main board 7, a heating cavity 9 with an upward opening is formed in the casing 6, the heating element 4 in a tubular shape is coaxially arranged in the heating cavity 9, a heating circuit 403 and a temperature sensing circuit 404 are both electrically connected with the main board 7 in the casing 6, when in use, a low-temperature cigarette 15 is inserted into a central hole of the heating element 4, and the heating element 4 is used for surrounding heating the low-temperature cigarette. When the battery 8 is a rechargeable battery, a charging port 16 may be provided in the housing 6, and the battery 8 may be charged by the charging port 16.
Referring to fig. 4 and 5, specifically, the heating element 4 is fixed in the heating chamber 9 by an upper heating element flange 10 and a lower heating element flange 11 at two ends, a support 12 for closing the bottom end of the heating element is further provided at the bottom of the heating chamber 9, a dust cover 13 for slidably shielding or exposing the top opening of the heating chamber 9 is further provided at the top of the housing 6, and when the dust cover 13 shields the top opening, dust prevention can be achieved. In addition, a heat insulation layer 14 can be arranged on the periphery of the heating cavity 9, heat can be prevented from being diffused to the periphery through the heat insulation layer 14, smoking set scalding is prevented, and the heat insulation layer 14 can be a vacuum heat insulation layer or heat insulation cotton and the like.
Specifically, the housing 6 includes an upper cover 601, a lower cover 602, and a middle frame 603 disposed between the upper cover 601 and the lower cover 602, after the upper cover 601 and the lower cover 602 are connected by a snap, the middle frame 603 is fixed between the upper cover 601 and the lower cover 602 by snap-fitting, after the upper cover 601 and the lower cover 602 are connected, a space for installing the heat insulating layer 14, the battery 8, and the main board 7 is formed between the upper cover 601, the middle frame 603, and the lower cover 602, and the heat insulating layer 14, the battery 8, and the main board 7 are installed in corresponding installation spaces, so that the installation and the detachment are convenient.
The above examples are merely illustrative of the present invention clearly and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665020.4U CN213908511U (en) | 2020-11-17 | 2020-11-17 | Heating body and low temperature baking smoking set with printed temperature resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665020.4U CN213908511U (en) | 2020-11-17 | 2020-11-17 | Heating body and low temperature baking smoking set with printed temperature resistance |
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| Publication Number | Publication Date |
|---|---|
| CN213908511U true CN213908511U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022665020.4U Active CN213908511U (en) | 2020-11-17 | 2020-11-17 | Heating body and low temperature baking smoking set with printed temperature resistance |
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| CN (1) | CN213908511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2022123755A1 (en) * | 2020-12-11 | 2022-06-16 |
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2020
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2022123755A1 (en) * | 2020-12-11 | 2022-06-16 | ||
| JP7446485B2 (en) | 2020-12-11 | 2024-03-08 | 日本たばこ産業株式会社 | flavor aspirator |
| JP2024057043A (en) * | 2020-12-11 | 2024-04-23 | 日本たばこ産業株式会社 | Flavor inhaler |
| JP7652957B2 (en) | 2020-12-11 | 2025-03-27 | 日本たばこ産業株式会社 | Flavor inhaler |
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