Heating piece for heating non-combustion smoking set
By using an oxide layer on the outer wall of a metal heat-conducting pipe and a spiral resistance heating coil in the heated non-combustible smoke appliance, the problems of heat conduction being affected by the thickness of the insulation layer and high cost and high power consumption are solved, achieving low-cost, rapid heating and low power consumption.
Patent Information
- Application Number
- CN202520233607.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing heated non-combustible smoke appliances suffer from problems such as heat conduction being affected by the thickness of the insulation layer, high cost, and high power consumption. In particular, the manufacturing cost of electromagnetic coil heating methods is high and the power requirement is large.
By using a metal oxide layer formed by oxidation of the outer wall of a metal heat pipe and a spiral resistive heating coil, combined with an aluminum heat pipe and a resistive spiral heating coil, an additional insulation layer is eliminated. The insulation and thermal conductivity properties of the oxide layer are utilized to achieve rapid heating and low power consumption.
It achieves low cost, rapid heating and low power consumption, while maintaining good thermal conductivity, reducing heat loss and lowering the overall cost of use.
Smart Images
Figure CN223886265U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of heating not burning smoking set, more specifically, the utility model relates to a kind of heating piece of heating not burning smoking set. BACKGROUND
[0002] The existing heating not burning smoking set generally includes shell, power component and heating piece, battery is installed in power component, battery supplies power for heating piece, and heating piece can heat and bake the bakeable part of cigarette when electrified to generate smoke. Cigarette usually includes mouthpiece part and bakeable part, and the bakeable part is generally composed of tobacco material that can generate smoke.
[0003] The existing heating piece of heating not burning smoking set on the market mainly includes resistance wire heating and electromagnetic induction coil heating mode, and both heating modes still need heating tube or heat conduction tube for external baking of cigarette, or heating needle, heat conduction needle or heating sheet, heat conduction sheet for heating inside cigarette. When external baking mode is used, heating tube or heat conduction tube is mainly composed of metal material to have good heat conduction effect, but heating tube or heat conduction tube made of metal still needs to be insulated at least one insulating layer made of insulating material between resistance wire or electromagnetic coil and heat conduction tube to prevent conduction while conducting heat, but the insulating layer made of existing insulating material has a certain thickness, which affects the heat conduction effect. Another electromagnetic coil heating mode has high manufacturing cost, and needs large power to heat metal heat conduction tube when used, which has large power consumption and high use cost. SUMMARY
[0004] The utility model provides a kind of heating piece of heating not burning smoking set to overcome the above technical deficiencies.
[0005] The technical scheme of the utility model is realized as follows: a kind of heating piece of heating not burning smoking set, including metal heat conduction tube and resistance spiral heating coil that is set to the outer wall of metal heat conduction tube, the cavity of the metal heat conduction tube is used to insert and accommodate the bakeable part of cigarette, the outer wall surface of the metal heat conduction tube is oxidized to form a layer of metal oxide layer, the metal oxide layer has the performance of not conducting electricity but easy heat conduction, the two ends of the heating coil are connected with electrode connecting wire connected with the positive and negative poles of power supply, the heating coil generates heat and heats the metal heat conduction tube after electrification, the metal heat conduction tube conducts heat to the bakeable part of the cigarette and bakes to generate smoke that can be inhaled into oral cavity.
[0006] Preferably, the metal heat conduction tube is aluminum heat conduction tube, and the outer wall surface of the aluminum heat conduction tube is oxidized to form an aluminum oxide layer.
[0007] Preferably, the bottom of the metal heat-conducting pipe is provided with a horizontal wall, and a plurality of air inlet holes are formed in the horizontal wall for air inlet.
[0008] Preferably, the upper support and the lower support are made of a high-temperature-resistant and non-heat-conducting material.
[0009] Preferably, the upper support is provided with an upper support through hole with the same diameter as the inner diameter of the metal heat-conducting pipe, and the upper support through hole is in alignment with the lumen of the metal heat-conducting pipe.
[0010] Preferably, the lower support is in the shape of a cylindrical body, the upper part of the lower support is provided with a cinder collection cavity, and the bottom of the lower support is further provided with a downwardly extending through pipe, and the through pipe is provided with an air inlet channel in upward communication with the cinder collection cavity and the metal heat-conducting pipe.
[0011] Preferably, the upper end of the upper support is connected with a cigarette guide sleeve, the cigarette guide sleeve is provided with a cigarette insertion through hole for guiding the cigarette into the metal heat-conducting pipe, and the middle part of the cigarette insertion through hole is provided with a clamping portion with a hole diameter inwardly retracted.
[0012] Preferably, the heating element further comprises an inner thermal insulation layer sleeved outside the heating coil.
[0013] Preferably, the heating element further comprises a connecting sleeve sleeved outside the heating coil and connected with the upper support and the lower support.
[0014] Preferably, the heating element further comprises an outer thermal insulation layer sleeved outside the connecting sleeve.
[0015] The heating element of the heating non-combustion smoking set has the advantages that: the heating element of the heating non-combustion smoking set adopts a spiral resistance type heating coil, has the advantages of low cost, fast heating speed and low power consumption, and simultaneously adopts a metal pipe with an outer wall oxidized into a metal oxide layer, does not need to additionally increase an insulating layer made of an insulating material, saves cost, and the metal oxide layer is very thin, has the advantages of insulation effect, fast heat conduction effect and reduced heat loss, and therefore the heating element has the advantages of low cost, fast heating and good heat conduction effect. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 1 is a perspective view of a heating element of a heating non-combustion smoking set according to an embodiment of the present application;
[0017] Figure 2 FIG. 2 is an exploded view of the heating element of the heating non-combustion smoking set according to the embodiment of the present application;
[0018] Figure 3This is a cross-sectional view of the heating element of the non-combustible smoke appliance according to Embodiment 2 of this utility model;
[0019] Figure 4 This is a three-dimensional exploded structural diagram of the heating element of the heating non-combustible smoke appliance according to Embodiment 2 of this utility model. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.
[0021] The heating element of this utility model's heated non-combustible smoke appliance, for ease of description, is as follows: Figure 3 As shown, the heating element of the heating non-combustible smoke appliance of this utility model is placed vertically. The descriptions of the various components of the heating element in this article, such as "upper, lower, upper part, lower part, bottom, upper end, lower end, bottom end, above, below, upward, downward, horizontal, vertical", all refer to the positional relationship of the components when the heating element is placed vertically.
[0022] Example 1
[0023] like Figure 1 , Figure 2 As shown, the heating element of the heated non-combustible tobacco device of this utility model is used to heat the cigarette 3. The cigarette 3 typically includes a mouthpiece 31 and a heatable part 32. The mouthpiece 31 is exposed to the heating element of the heated non-combustible tobacco device and is generally made of filter material and cannot be heated. The heatable part 32 can be inserted into the heating element and is generally made of tobacco material that does not burn after heating but can produce smoke.
[0024] The heating element of the heating non-combustion smoking set, comprising a metal heat-conducting pipe 1 and a resistance spiral heating coil 2 sleeved on the outer wall of the metal heat-conducting pipe 1, the pipe cavity 10 of the metal heat-conducting pipe 1 is used for inserting and accommodating the bakeable part 32 of the cigarette 3, the inner wall of the metal heat-conducting pipe 1 can abut against the outer wall of the bakeable part 32 of the cigarette 3, the outer wall surface of the metal heat-conducting pipe 1 is oxidized to form a very thin metal oxide layer (not shown in the figure), the metal oxide layer has non-conducting, that is, good insulating property, but also has good easy heat-conducting property. Further, for the convenience of manufacturing, the overall surface of the metal heat-conducting pipe 1, including the outer wall surface and the inner wall surface, can be simultaneously oxidized to form a very thin metal oxide layer. The two ends of the heating coil 2 are connected with the electrode connecting wire 21 connected with the positive and negative poles of the power supply, the heating coil 2 generates heat after being electrified to heat the metal heat-conducting pipe 1, and the metal heat-conducting pipe 1 has good heat-conducting property. The metal heat-conducting pipe 1 can conduct heat to the bakeable part 32 of the cigarette 3 and bake the same to generate smoke that can be inhaled into the oral cavity. The heat of the metal heat-conducting pipe 1 can be directly conducted to the outer wall of the bakeable part 32 of the cigarette 3, and then conducted to the inside of the cigarette 3, and a part of the heat can also be transmitted to the inside of the bakeable part of the cigarette 3 in a radiation mode.
[0025] In the embodiment, the metal heat-conducting pipe 1 is an aluminum heat-conducting pipe made of aluminum material, and the outer wall surface of the aluminum heat-conducting pipe is oxidized to form a very thin aluminum oxide layer. The aluminum heat-conducting pipe has better heat-conducting property, and the aluminum oxide layer of the outer wall thereof is completely non-conductive, has good insulating property and also has good heat-conducting property.
[0026] In other embodiments, the bottom of the metal heat-conducting pipe 1 is provided with a horizontal wall (not shown in the figure), and a plurality of air inlet holes for air inlet are arranged on the horizontal wall. The horizontal wall can conveniently support the bottom of the cigarette 3.
[0027] Embodiment two
[0028] As shown in Figure 3 , Figure 4 , on the basis of the embodiment one, the heating element of the heating non-combustion smoking set of the embodiment further comprises an upper support 4 sleeved on the upper end of the metal heat-conducting pipe 1, a lower support 5 sleeved on the lower end of the metal heat-conducting pipe, an inner heat preservation layer 7 sleeved on the outer side of the heating coil 2, a connecting sleeve 6 sleeved on the outer side of the heating coil 2 and connecting the upper support 4 and the lower support 5, an outer heat preservation layer 8 sleeved on the outer wall of the connecting sleeve 6, and a cigarette guide sleeve 9 arranged on the upper end of the upper support 4.
[0029] In the embodiment, the metal heat-conducting pipe 1 is also an aluminum heat-conducting pipe made of aluminum material, and the outer wall surface of the aluminum heat-conducting pipe is oxidized to form a very thin aluminum oxide layer. The aluminum heat-conducting pipe has better heat-conducting property, and the aluminum oxide layer of the outer wall thereof is completely non-conductive and has good insulating property.
[0030] The upper support 4 and the lower support 5 are used for supporting the metal heat-conducting pipe 1 upward and downward respectively, so that the metal heat-conducting pipe 1 can be fixed in the heating non-combustible smoking set, the upper support 4 and the lower support 5 are made of high-temperature-resistant and non-heat-conducting materials, so that the metal heat-conducting pipe 1 will not deform when working at high temperature. The upper support 4 is provided with an upper support through hole 40 which has the same diameter as the inner diameter of the metal heat-conducting pipe 1, so that the cigarette 3 can be inserted into the metal heat-conducting pipe 1. The lower support 5 is a cylindrical body, the upper part of the lower support 5 is located at the lower part of the metal heat-conducting pipe 1 and is provided with a tobacco residue collecting cavity 50, the tobacco residue collecting cavity 50 is used for collecting the tobacco tar and cokes which fall from the cigarette 3 after being baked, so that the metal heat-conducting pipe 1 can be prevented from being blocked. The bottom of the lower support 5 is further provided with a downwardly extending through pipe 51, the through pipe 51 is provided with an air inlet channel 510 which is communicated with the tobacco residue collecting cavity 50 and the metal heat-conducting pipe 1 upwardly, so that air can be inhaled from the lower part of the heating element when the user smokes.
[0031] The heating coil 2 is spirally covered on the outer wall of the metal heat-conducting pipe 1 and can uniformly heat the metal heat-conducting pipe 1 after being electrified. The inner heat preservation layer 7 which is sleeved on the outer side of the heating coil 2 can greatly reduce the heat radiation of the heating coil 2.
[0032] The connecting sleeve 6 is sleeved on the outer side of the heating coil 2 and connects the upper support 4 and the lower support 5, so that the metal heat-conducting pipe 1, the heating coil 2, the upper support 4 and the lower support 5 are connected to form a whole, and the fixing effect is better.
[0033] The outer heat preservation layer 8 which is sleeved on the outer wall of the connecting sleeve 6 can further reduce the heat radiation of the heating coil 2, so that the shell of the heating non-combustible smoking set is prevented from being warmed and even scalded.
[0034] The cigarette guide sleeve 9 which is arranged on the upper end of the upper support 4 is embedded on the upper end of the upper support 4 and is provided with a cigarette insertion through hole 90, so that the cigarette 3 can be guided into the metal heat-conducting pipe 1. The cigarette guide sleeve 9 is further provided with a clamping part 91 which is inwardly contracted in the hole diameter, the clamping part 91 can clamp the cigarette 3, so that the cigarette 3 will not be loosened and fall out when working. Therefore, the cigarette guide sleeve 9 is made of silica gel material which has high temperature resistance and certain elasticity.
[0035] The heating element of the heating non-combustible smoking set adopts the spiral resistance type heating coil 2, which has the advantages of low cost, fast heating speed and low power consumption. Meanwhile, the metal pipe 1 is oxidized to a metal oxide layer on the outer wall surface, and an insulation layer made of insulation material is not needed, so that the cost is saved. The metal oxide layer is very thin, which has the insulation effect and accelerates the heat conduction effect and reduces the heat loss. Therefore, the heating element has the advantages of low cost, fast heating and good heat conduction effect.
[0036] The above merely describes preferred embodiments of the present application, and the above specific embodiments are not a limitation on the present application. Within the technical concept of the present application, various modifications and changes can occur, and any modification, change or equivalent replacement made by those skilled in the art according to the above description shall fall within the scope of the present application.
Claims
1. A heating element for a non-combustible heating appliance, characterized in that, The device includes a metal heat-conducting tube and a resistive spiral heating coil sleeved on the outer wall of the metal heat-conducting tube. The cavity of the metal heat-conducting tube is used to insert and accommodate the heatable part of the cigarette. The outer wall surface of the metal heat-conducting tube is oxidized to form a metal oxide layer. The metal oxide layer has the properties of being non-conductive but easily conductive to heat. The two ends of the heating coil are connected to electrode connecting wires that are connected to the positive and negative terminals of a power source. When the heating coil is energized, it generates heat and heats the metal heat-conducting tube. The metal heat-conducting tube conducts heat to the heatable part of the cigarette and heats it to produce smoke that can be inhaled into the mouth.
2. The heating element of the heated non-combustible smoke appliance according to claim 1, characterized in that, The metal heat pipe is an aluminum heat pipe, and the outer wall surface of the aluminum heat pipe is oxidized to form an aluminum oxide layer.
3. The heating element of the heated non-combustible smoke appliance according to claim 1, characterized in that, The bottom of the metal heat pipe is provided with a horizontal wall, and the horizontal wall is provided with a number of air inlet holes for air intake.
4. The heating element of the non-combustible heating appliance according to claim 1, characterized in that, It also includes an upper bracket fitted onto the upper end of the metal heat-conducting pipe and a lower bracket fitted onto the lower end of the metal heat-conducting pipe, wherein the upper bracket and the lower bracket are made of a high-temperature resistant and non-thermal conductive material.
5. The heating element of the heated non-combustible smoke appliance according to claim 4, characterized in that, The upper support has an upper support through hole with the same inner diameter as the metal heat pipe, and the upper support through hole is aligned and connected to the cavity of the metal heat pipe.
6. The heating element of the heated non-combustible smoke appliance according to claim 4, characterized in that, The lower support is a cylindrical body with a soot collection chamber at the top and a downward-extending pipe at the bottom. The pipe has an air inlet channel that connects upward to the soot collection chamber and the metal heat conduction channel.
7. The heating element of the heated non-combustible smoke appliance according to claim 4, characterized in that, The upper end of the upper bracket is connected to a cigarette guide sleeve, which has a cigarette insertion through hole to guide the cigarette into the metal heat pipe. The middle part of the cigarette insertion through hole has a clamping part that narrows radially inward.
8. The heating element of the heated non-combustible smoke appliance according to claim 4, characterized in that, It also includes an inner insulation layer that is sleeved on the outside of the heating coil.
9. The heating element of the heated non-combustible smoke appliance according to claim 4, characterized in that, It also includes a connecting sleeve that is fitted onto the outside of the heating coil and connects the upper bracket and the lower bracket.
10. The heating element of the heated non-combustible smoke appliance according to claim 9, characterized in that, It also includes an outer insulation layer fitted onto the outer wall of the connecting sleeve.