WO2019047204A1 - Tobacco evaporator and tobacco evaporation method - Google Patents

Abstract

A tobacco vaporizer and a method for vaporizing tobacco, the tobacco vaporizer comprising: a vaporization chamber (11); the vaporization chamber (11) is internally provided with a first accommodation space (111), and the vaporization chamber (11) is provided thereon with a smoke outlet (113) and a plurality of first air inlets (112) that pass through the first accommodation space (111); a heating cylinder (12) is sleeved on the vaporization chamber (11), and a second accommodation space (121) is formed at an interval between an inner wall of the heating cylinder (12) and an outer end wall of the vaporization chamber (11); a heating element (13) is provided far from the first air inlets (112) within the second accommodation space (121), and a plurality of third air inlets (122) are opened on an end wall of an end of the heating cylinder (12) that is far from the smoke outlet (113); an air flow channel is formed by the third air inlets (122), the second accommodation space (121), the first air inlets (112), the first accommodation space (111) and the smoke outlet (113), the heating element (13) being used for preheating cold air entering the second accommodation space (121) so as to heat a substance to be vaporized. The tobacco vaporizer and the method for vaporizing tobacco reduce the time in heating tobacco, soften the taste, increase vaporization performance and improve user experience.

Description

 Tobacco evaporator and tobacco evaporation method

 Technical field

 [0001] The present invention relates to an electronic smoking device, and more particularly to a tobacco evaporator and a tobacco evaporation method.

 Background technique

 [0002] Currently, tobacco evaporators on the market generally use a heating and baking technique to evaporate the tobacco. The baking technology mainly includes heating of the ceramic heating body, heating of the outer heating of the metal container and heating of the tobacco inside the pot body, and heating of the ceramic and heating of the electric heating film mainly utilize heat conduction of the heating body to heat the tobacco. , to reach the set temperature to evaporate the tobacco.

 technical problem

 [0003] The existing baking technology can achieve the purpose of evaporating the active components inside the tobacco, but the taste is poor.

The heating time is long, the taste is not good, the smoke pot is not easy to clean, it is easy to be dirty, and there are obvious defects. The object of the present invention is to solve this problem and improve the user experience.

[0004] Therefore, how to optimize the existing tobacco evaporation technology scheme, so that the optimized tobacco evaporation technology can make the taste softer on the basis of ensuring the uniformity of heating, and it is more convenient to clean after use, so as to improve the user experience, and it is urgently needed. solved problem.

 Problem solution

 Technical solution

 [0005] The present invention is directed to the baking technology adopted in the prior art, which has the advantages of slow heating of the product, poor mouthfeel, difficulty in cleaning the tobacco pan, and easy soiling, and provides a tobacco evaporator and a tobacco evaporation method for the existing tobacco. The evaporation technology scheme is optimized, so that the optimized tobacco evaporation technology can reduce the heat of the shredded tobacco on the basis of ensuring the reliability of the heating wire and the convenience of cleaning, the taste is softer, the evaporation performance is improved, and the user experience is improved.

 [0006] The present invention provides a tobacco evaporator, comprising an evaporation chamber, the evaporation chamber is provided with a first receiving space for accommodating the substance to be evaporated, and the evaporation chamber is further provided with the first receiving space respectively a smoke outlet and a plurality of first air inlets;

[0007] The evaporation outdoor jacket is provided with a heating cylinder, and the inner wall of the heating cylinder and the outer wall of the evaporation chamber are spaced apart Forming a second accommodating space, wherein the second accommodating space is provided with a heating element away from the first air inlet, and the end of the heating cylinder away from the end of the vent is provided with a plurality of third Air port

 [0008] the third air inlet, the second receiving space, the first air inlet, the first receiving space and the smoke outlet form an air flow passage, and the heating element is used to enter the second receiving space The cold air is preheated, and the heated air is introduced into the evaporation chamber to heat the substance to be evaporated.

 [0009] Preferably, an isolation seat is disposed in the second receiving space near the first air inlet, and a plurality of second air inlets are disposed on the isolation seat, the isolation seat of the evaporation chamber A first buffer member is abutted between the first buffer member for spacing the evaporation chamber from the spacer.

[0010] Preferably, the evaporation chamber is made of quartz material.

 [0011] Preferably, the tobacco evaporator further includes a casing having a third receiving space, the heating cylinder being held in the third receiving space and between the inner wall of the casing and the outer wall of the heating cylinder The bottom of the casing is provided with a plurality of fifth air inlets, and the fifth air inlet, the third air inlet, the second air inlet and the first air inlet are connected to each other.

 [0012] Preferably, a first sealing member is disposed in the housing away from the outlet, the first sealing member is provided with a plurality of fourth air inlets, and the fourth air inlet is The fifth intake port, the third intake port, the second intake port, and the first intake port are in communication with each other.

 [0013] Preferably, the heating cylinder is sleeved away from the outer wall of the one end of the outlet, the end of the bracket away from the heating cylinder abuts against the first sealing member, the inner wall of the housing, The outer peripheral wall of the heating cylinder portion, the outer peripheral wall of the bracket and the first sealing member are enclosed to form an annular first heat insulating space, and the first heat insulating space is used for heating the heating element to the heating The tube is insulated.

 [0014] Preferably, the heating cylinder is disposed at an inner wall of one end of the outlet, and has an annular first protrusion, wherein the first protrusion abuts the spacer;

 [0015] The outer peripheral wall portion of the spacer is formed with a first support portion extending toward the inner end wall of the heating cylinder, and the first support portion is in contact with the inner wall of the heating cylinder away from the end of the smoke outlet. And disposed on an outer circumference of the first protrusion portion, the first support portion and the first protrusion portion are configured to space and enclose the inner end wall of the heating cylinder and the end wall of the spacer to form a heating space The heating space is for accommodating the heating element.

[0016] Preferably, the bottom portion of the housing is convexly formed inward to form a second convex portion, and the second convex portion abuts The first sealing member, the second protruding portion is configured to space the first sealing member from the bottom of the housing;

 [0017] the housing is adjacent to the first sealing member to reduce the inner diameter to form a first limiting step. The outer peripheral wall of the first sealing member abuts against the inner peripheral wall of the first limiting step to form a seal. The first insulation space.

[0018] Preferably, the first sealing member is further provided with a first opening, and the bottom of the housing is further provided with a second opening

The first port and the second port inner card hold a first insulating member;

[0019] the heating element is arranged in a spiral shape and in the heating space, the heating element has a first connecting leg and a second connecting leg for electrical connection, and the first insulating member is provided with a center pin for a third port through which the first connecting leg passes.

 [0020] Preferably, the heating cylinder is formed near the outer peripheral wall of the first sealing member to form a second limiting step toward the inner diameter, and one end of the bracket abuts against the second limiting step, and the other end abuts The bracket is configured to space the heating cylinder from the first sealing member at an end wall of the first sealing member and an inner peripheral wall.

 [0021] Preferably, the end wall of the heating cylinder near one end of the smoke outlet is provided with a second sealing member, the second sealing member is arranged in a step shape, and is respectively close to the evaporation chamber with the evaporation chamber a portion of the outer wall of the port, the end wall of the heating cylinder, the outer wall of the heating cylinder portion, and the end wall of the casing adjacent to the outlet, the second sealing member and the inner wall of the housing, The outer peripheral wall of the heating cylinder portion, the outer peripheral wall of the bracket, and the first sealing member are enclosed to form the first heat insulating space.

 [0022] Preferably, the second sealing member abuts a gland, the gland center crotch is disposed and communicates with the outlet, the gland is configured to fix the second sealing member Enclosing forms the first insulated space.

 [0023] Preferably, the first connecting leg sequentially passes through one of the third air inlet and the third port for electrical connection;

 [0024] The second connecting leg is electrically connected through another of the third air inlets, one of the fourth air inlets, and one of the fifth air inlets.

[0025] Preferably, the heating cylinder is made of a metal material;

 [0026] the first buffer member, the first sealing member and the second sealing member are all made of a silicone material;

[0027] The bracket and the casing are all made of a heat insulating material.

[0028] The present invention also provides a tobacco evaporation method for a tobacco evaporator as described above, comprising the steps of: [0029] Sl, placing the substance to be evaporated in the first receiving space in the evaporation chamber;

 [0030] S2, controlling to heat the cold air entering the first receiving space to a set temperature, and placing the substance to be evaporated in the evaporation chamber to maintain the setting time;

[0031] S3. After the set time is reached, the heating element is controlled to stop heating.

 Advantageous effects of the invention

 Beneficial effect

 [0032] One or more technical solutions provided by the solution of the present invention have at least the following technical effects or advantages: The present invention utilizes a heating element to preheat the cold air flowing to the substance to be evaporated, and uses the air to reach the set temperature of the air to the shredded tobacco. Heating, improving the burnt smell and irritating feeling caused by direct conduction heating, can make the heating more uniform, and the taste is softer; meanwhile, the evaporation chamber is made of quartz, which will not produce odor and taste, ensure the taste is pure, and the surface of the glass material Not easy to stick to dirt, better clean, improve user experience, a brief description of the drawing

 DRAWINGS

 [0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the drawings in the following description are only some of the present invention. For the embodiments, those skilled in the art can obtain other drawings according to the drawings without any creative work.

1 is a schematic structural view of a heating cylinder of a tobacco evaporator according to a first embodiment of the present invention;

2 is a schematic structural view of a tobacco evaporator according to a first embodiment of the present invention;

3 is a split structure diagram of a tobacco evaporator provided by a first embodiment of the present invention;

4 is a schematic view showing the flow of airflow in the tobacco evaporator according to the first embodiment of the present invention;

5 is a flow chart of a tobacco evaporation method according to a second embodiment of the present invention.

Embodiments of the invention

[0039] Embodiments of the present invention provide a tobacco evaporator and a tobacco evaporation method, which solves the problem that the baking technology used in the prior art heats the product slowly, has a bad taste, is difficult to clean the tobacco pan, is easy to be dirty, etc. Missing The invention utilizes a heating element to preheat the cold air flowing to the substance to be evaporated, and heats the shredded tobacco by the air heated to a set temperature, thereby improving the burnt smell and the irritating feeling generated by the direct conduction heating, and the heating can be more uniform. The taste is softer; at the same time, the evaporation chamber is made of quartz, which will not produce odor and taste, ensure the taste is pure, and the surface of the glass material is not easy to stick to dirt, better clean and improve the user experience.

 [0040] In order to better understand the technical solutions of the present invention, the above technical solutions will be described in detail in conjunction with the drawings and specific embodiments. It should be understood that the specific features of the embodiments and the embodiments of the present invention are the technical solutions of the present application. The detailed description, rather than the limitation of the technical solution of the present application, can be combined with each other in the embodiments of the present invention and the technical features in the embodiments without conflict.

 [0041] Embodiment 1

 [0042] As shown in FIG. 1, the tobacco evaporator provided by the present invention comprises an evaporation chamber 11, in which a first accommodating space 111 for accommodating a substance to be evaporated is disposed, and the evaporation chamber 11 is further provided with In the present embodiment, the evaporation chamber 11 has a cylindrical shape with one end opening; the evaporation chamber 11 is provided with a light outlet 113 and a plurality of first air inlets 112 respectively extending through the first receiving space 111. There is a heating cylinder 12, a second receiving space 121 is formed between the inner wall of the heating cylinder 12 and the outer end wall of the evaporation chamber 11, and the second receiving space 121 is disposed away from the first air inlet 112. a heating element 13 having a plurality of third air inlets 122 on the end wall of the heating cylinder 12 away from the outlet end of the outlet 130; the third air inlet 122, the second receiving space 121, the first The air inlet 112, the first receiving space 111 and the smoke outlet 113 form an air flow passage, and the heating element 13 is used for preheating the cold air entering the second receiving space 121, so that the heated air enters the air Said evaporation chamber 11 to be said to be steamed Substance is heated.

 [0043] In the present embodiment, the heating cylinder 12 is made of a metal material, and the heated air of the heating element 13 flows to the substance to be evaporated for heating, and the heating cylinder 12 is sleeved outside the evaporation chamber 11, and further The heating material in the evaporation chamber 11 is heated, and the heating effect is moderated to ensure the purity of the mouthfeel.

[0044] In order to make the hot air flow reaching the substance to be evaporated more moderate, the second receiving space 121 is provided with an isolation seat 14 near the first air inlet 112, and the isolation seat 14 is provided with a plurality of second inlets. a gas passage 141, a guide angle 114 is disposed on an outer circumference of the end wall of the evaporation chamber 11 away from the outlet 131, and a first buffer member 15 is abutted between the guide angle 114 and the spacer 14 A buffering member 15 is provided for spacing the evaporation chamber 11 from the spacer seat 14. The guiding angle 114 is provided to further fix the first buffering member 15 to ensure evaporation. The chamber 11 is spaced from the spacer 14. The first buffering member 15 is made of a silica gel material and has good cushioning performance, and the spacing between the heating cylinder 12 and the spacer 14 can be ensured.

 [0045] In the embodiment, the evaporation chamber 11 is made of quartz glass material, and the quartz glass material does not produce odor and taste, and the taste is pure, and the surface of the glass material is not easy to adhere to dirt and is better cleaned.

 [0046] As shown in FIG. 2, the tobacco evaporator further includes a housing 16 having a third receiving space 161, the heating cylinder 12 being held in the third receiving space 161 and the inner wall of the housing 16 and the housing The outer wall of the heating cylinder 12 is spaced apart from each other, and a plurality of fifth air inlets 162 are disposed at the bottom of the casing 16, the fifth air inlet 162, the third air inlet 122, the second air inlet 141, and the The first air inlets 112 are in communication with each other. The housings 16 are all made of a heat insulating material to keep the heating cylinder 12 warm.

 [0047] Specifically, a first sealing member 17 is disposed in the housing 16 away from the smoke outlet 113, and a plurality of fourth air inlets 171 are disposed on the first sealing member, and the fourth inlet The port 171 communicates with the fifth intake port 162, the third intake port 122, the second intake port 141, and the first intake port 112.

 [0048] As shown in FIG. 2 and FIG. 3, the outer wall of one end of the heating cylinder 12 away from the outlet 130 is sleeved with a bracket 18, and one end of the bracket 18 away from the heating cylinder 12 abuts the first a sealing member 17, an inner wall of the casing 16, a peripheral wall of the heating cylinder 12, an outer peripheral wall of the bracket 18, and the first sealing member 17 enclosing an annular first heat insulating space 163, the first partition The hot space 163 is used to heat the heating cylinder 12 after the heating element 13 is heated. In this embodiment, the first sealing member 17 is made of a silicone material. Because the silicone rubber has elasticity, the first sealing member 17 is locked and the sealing of the first heat insulating space 163 can be ensured in the housing 16; The heat material is fabricated to further insulate the heat insulating cylinder 12.

 [0049] In order to space the heating cylinder 12 and the spacer seat 14, the inner wall of the heating cylinder 12 away from the end of the smoke outlet 113 is provided with an annular first protrusion 123, the first protrusion The portion 123 abuts against the spacer 14; the outer peripheral wall portion of the spacer 14 extends toward the inner end wall of the heating cylinder 12 to form a first supporting portion 142, the first supporting portion 142 and the heating tube 12 abutting against an inner wall of the outlet of the smoke outlet 113, and disposed on an outer circumference of the first protrusion 123, the first support portion 142 and the first protrusion 123 are used to make the heating cylinder The inner end wall of the 12 and the end wall of the spacer 14 are spaced apart and enclosed to form a heating space 124 for accommodating the heating element 13.

[0050] Specifically, the bottom portion of the housing 16 is inwardly convexly formed to form a second protrusion 164, and the second protrusion 164 abuts against the first sealing member 17, the second protrusion portion 164 For making the first seal 17 and the shell The bottom portion of the body 16 is spaced apart; the housing 16 is condensed toward the inner diameter of the first sealing member 17 to form a first limiting step 165, and the outer peripheral wall of the first sealing member 17 abuts against the first limit The inner peripheral wall of the step 165 is formed to form a sealed first insulated space 163.

 [0051] As shown in FIG. 1 and FIG. 2, the first sealing member 17 is further provided with a first opening 171, and the bottom of the housing 16 is further provided with a second opening 166, and the first opening 171 The first insulating member 172 is held in the second port 166; the heating element 13 is spirally disposed in the heating space 124, and the heating element 13 has a first connecting leg 131 for electrical connection. And a second connecting leg 132, the first insulating member 172 is centrally provided with a third port 173 for passing the first connecting leg 131.

 [0052] Since the bracket 18 needs to support the heating cylinder 12, the heating cylinder 12 is narrowed toward the inner diameter of the outer peripheral wall of the first sealing member 17 to form a second limiting step 125, and the bracket 18 ends to abut the second The limiting step 125 abuts the end wall of the first sealing member 17 and the inner peripheral wall respectively, and the bracket 18 is configured to space the heating cylinder 12 from the first sealing member 17.

 [0053] As shown in FIG. 2, a second sealing member 19 is disposed on the end wall of the heating cylinder 12 near the outlet of the outlet 130, and the second sealing member 19 is disposed in a stepped manner and respectively associated with the evaporation chamber. a portion of the outer wall adjacent to the outlet 130, the end wall of the heating cylinder 12, the outer wall of the heating cylinder 12, and the end wall of the casing 16 adjacent to the outlet 113, the second The sealing member 19 is formed by enclosing the inner wall of the casing 16, the outer peripheral wall of the heating cylinder 12, the outer peripheral wall of the bracket 18, and the first sealing member 17 to form the first heat insulating space 163. The second sealing member 19 is abutted with a gland 2, and the gland 2 is disposed at a central opening and communicates with the outlet 130, and the gland 2 is used for fixing the second sealing member 19 for enclosing The first heat insulating space 163 is formed. Similarly, the second sealing member 19 is also made of a silicone material to ensure the sealing of the first heat insulating space 163.

 [0054] In this embodiment, the first connecting leg 131 of the heating element 13 sequentially passes through one of the third air inlet 122 and the third port 173 for electrical connection; the second connecting leg 132 is sequentially worn. Another third inlet port 122, one of the fourth inlet ports 171, and one of the fifth inlet ports 162 are electrically connected.

[0055] As shown in FIG. 4, the airflow process in this embodiment is as follows: The cold air sequentially reaches the heating element 13 along the fifth air inlet 162, the fourth air inlet 171, and the third air inlet 122, and passes through the heating element. After the heating, the hot air enters the first accommodating space 111 through the second air inlet 141 and the first air inlet 112 in sequence, and heats the substance to be evaporated, and reaches the first air inlet 112 from the second air inlet 141. In the process, due to the second intake port 141 Interlaced with the first air inlet 112, the airflow direction is changed to be erroneous, the airflow is moderated, the airflow of the substance to be evaporated is mild, and the substance to be evaporated is prevented from the first air inlet 112 along the second air inlet 141. Drop to the heating element.

[0056] Embodiment 2

 [0057] As shown in FIG. 5, the present invention also provides a tobacco evaporation method, comprising the following steps:

[0058] Sl, the substance to be evaporated is placed in the first accommodating space 111 in the evaporation chamber 11;

 [0059] S2, controlling to cool the cold air entering the first accommodating space 111 to a set temperature, and placing the substance to be evaporated in the evaporation chamber 11 to maintain the set time;

[0060] In the present embodiment, a temperature sensor is disposed in the evaporation chamber 11 or on the outer wall of the heating cylinder 12 for monitoring the temperature inside the first accommodation space 111. The tobacco evaporator of the present invention is further provided with a controller, and heating. The first connecting leg 131, the second connecting leg 132 and the temperature sensor of the component 13 are respectively electrically connected for controlling the operation of the heating component 13 according to the temperature signal monitored by the temperature sensor; the controller may also have storage skill, The controller also has a judging process for storing the preset set temperature. When the detected temperature is lower than the set temperature, the controller controls the heating element 13 to continue heating. When the temperature is higher than the predetermined temperature, the controller controls the heating element. 13 Stop heating. The controller may also have a counting function. When the heating element 13 reaches the set temperature for the first time, when the user smokes for more than a predetermined length, the controller controls the heating element 13 to stop heating, and protects the evaporator. The service life also protects the user from smoking too long.

[0061] S3. After the set time is reached, the heating element 13 is controlled to stop heating.

[0062] In summary, the solution of the present application has at least the following beneficial technical effects with respect to the prior art:

[0063] 1) The invention uses a heating element to preheat the cold air flowing to the substance to be evaporated, and heats the tobacco by heating the air to a set temperature, thereby improving the burnt smell and the irritating feeling caused by the direct conduction heating, so that after heating The air temperature is the same, avoiding high and low, so that the heating is more uniform and the taste is softer. [0064] 2) The evaporation chamber is made of quartz, which will not produce odor and taste, and ensure the taste is pure;

[0065] 3) The surface of the glass material is not easily adhered to dirt, is better cleaned, and improves the user experience.

[0066] According to the above description, the above-described tobacco evaporator is used to carry out the above-described tobacco evaporation method, and therefore, the embodiment of the system is the same as one or more embodiments of the above method, and will not be further described herein.

The above disclosure is only a preferred embodiment of the present invention, and of course, the scope of the present invention is not limited thereto, and those skilled in the art can understand all or part of the process of implementing the above embodiments. And equivalent variations made in accordance with the claims of the present invention still fall within the scope of the invention

Claims

Claim  [Claim 1] A tobacco evaporator characterized by comprising an evaporation chamber (11), said evaporation chamber (11)  a first receiving space (111) for accommodating the substance to be evaporated, and an evaporation chamber (11) further provided with a venting opening respectively communicating with the first receiving space (111) (113) and a number of first air inlets (112);  The evaporation chamber (11) is provided with a heating cylinder (12), and a second receiving space (121) is formed between the inner wall of the heating cylinder (12) and the outer end wall of the evaporation chamber (11). A heating element (13) is disposed in the second receiving space (121) away from the first air inlet (112), and the heating cylinder (12) is away from the end wall of the outlet (113). There are a plurality of third air inlets (122);  The third air inlet (122), the second receiving space (121), the first air inlet (112), the first receiving space (111) and the smoke outlet (113) form an air flow passage, and the heating element (13) for preheating the cold air entering the second accommodating space (121), and bringing the heated air into the evaporation chamber (11) to heat the substance to be evaporated.  [Claim 2] The tobacco evaporator according to claim 1, wherein the second accommodation space  (121) is provided with an isolation seat (14) near the first air inlet (112), and the isolation seat (14) is provided with a plurality of second air inlets (141), the evaporation chamber ( 11) abutting a first buffering member (15) between the spacer (14), the first buffering member (15) for making the evaporation chamber (11) and the spacer (14) Interval setting.  [Claim 3] The tobacco evaporator according to claim 1, wherein the evaporation chamber (11) is made of a quartz material. [Claim 4] The tobacco evaporator according to claim 2, wherein the tobacco evaporator further comprises a casing (16) having a third receiving space (161), the heating cylinder (12) card Holding in the third receiving space (161) and spacing between the inner wall of the casing (16) and the outer wall of the heating cylinder (12), a plurality of fifth air intakes are arranged at the bottom of the casing (16) The port (16), the fifth air inlet (16, the third air inlet ( ^I22 ), the second air inlet (141), and the first air inlet (112) are in communication with each other. [Claim 5] The tobacco evaporator according to claim 4, wherein the housing (16) is provided with a first sealing member (17) away from the outlet (113), a sealing member is provided with a plurality of fourth air inlets (171), the fourth air inlets (171) and the fifth air inlets (162), the third air inlets (122), and the second The intake port (141) and the first intake port (112) communicate with each other.  [Claim 6] The tobacco evaporator according to claim 5, wherein the heating cylinder (12) is provided with a bracket (18) away from an outer wall of the outlet of the smoke outlet (113), the bracket (1 8) an end away from the heating cylinder (12) abuts against the first sealing member (17), an inner wall of the casing (16), a peripheral wall of the heating cylinder (12), and the bracket (18) the peripheral wall and the first sealing member (17) are enclosed to form an annular first heat insulating space (163) for heating the heating element (13) The heating cylinder (12) is kept warm.  [Claim 7] The tobacco evaporator according to claim 6, wherein the heating cylinder (12) is provided with an annular first convex portion away from an inner wall of the outlet of the smoke outlet (113) ( 123), the first raised portion (123) abuts against the spacer (14);  The outer peripheral wall portion of the spacer (14) extends toward the inner end wall of the heating cylinder (12) to form a first supporting portion (142), the first supporting portion (142) and the heating cylinder (12) An inner wall remote from the smoke outlet (113) is detachably abutted, and is disposed on an outer circumference of the first convex portion (123), the first support portion (142) and the first convex portion (123) for spacing and enclosing the inner end wall of the heating cylinder (12) and the end wall of the spacer (14) to form a heating space (124), the heating space (124) for accommodating the Heating element (13). [Claim 8] The tobacco evaporator according to claim 7, wherein a bottom portion of the casing (16) is inwardly convex to form a second convex portion (164), and the second convex portion (164) abutting the first sealing member (17), the second protruding portion (164) is for spacing the first sealing member (17) from the bottom of the housing (16); The housing (16) is condensed toward the inner diameter of the first sealing member (17) to form a first limiting step (165), and the outer peripheral wall of the first sealing member (17) abuts against the first One The inner stepped wall of the limit step (165) forms a sealed first insulated space (163). The tobacco evaporator according to claim 8, wherein the first sealing member (17) is further provided with a first opening (171), and the bottom of the housing (16) is further provided with a first a second opening (166), the first opening (171) and the second opening (166) inner card holding a first insulating member (172); The heating element (13) is vortexed in the heating space (124), and the heating element (13) has a first connecting leg (131) and a second connecting leg for electrical connection. (132), the first insulating member (172) is provided with a center pin for the first connecting leg (131) Pass through the third cornice (173). The tobacco evaporator according to claim 9, wherein the heating cylinder (12) is narrowed toward the inner diameter of the outer peripheral wall of the first sealing member (17) to form a second limiting step (12 5). The bracket (18) has an end abutting against the second limiting step (125), and the other end abuts against an end wall and an inner peripheral wall of the first sealing member (17), wherein the bracket (18) is used The heating cylinder (12) is spaced apart from the first sealing member (17). The tobacco evaporator according to claim 10, wherein the heating cylinder (12) is provided with a second sealing member (19) near the end wall of the outlet (113), the second sealing a member (19) disposed in a stepped manner, and a portion of the outer wall of the outlet (113) adjacent to the evaporation chamber (11), the end wall of the heating cylinder (12), and the portion of the heating cylinder (12) An outer wall and the end wall of the casing (16) adjacent to the outlet (113) abut, the second sealing member (19) and the inner wall of the casing (16), the heating cylinder (12) A portion of the peripheral wall, the outer peripheral wall of the bracket (18), and the first seal (17) are enclosed to form the first heat insulating space (163). The tobacco evaporator according to claim 11, wherein the second sealing member (19) is abutted with a gland (2), and the gland (2) is disposed at the center of the crotch and is opposite to the The mouthpiece (113) is in communication, and the gland (2) is for fixing the second sealing member (19) to enclose the first heat insulating space (163). The tobacco evaporator according to claim 12, wherein the first connecting leg (131) sequentially passes through one of the third air inlet (122) and the third port (173) To make an electrical connection;  The second connecting leg (132) sequentially passes through the other of the third air inlet (122), one of the fourth air inlet (171), and one of the fifth air inlet (162) Connection [Claim 14] The tobacco evaporator according to claim 12, wherein the heating cylinder (12) is made of a metal material;  The first buffering member (15), the first sealing member (17) and the second sealing member (19) are all made of a silicone material;  The bracket (18) and the casing (16) are made of a heat insulating material.  [Claim 15] A tobacco evaporation method for a tobacco evaporator according to claim 1, comprising the steps of:  51. The first accommodating space (111) in which the substance to be evaporated is placed in the evaporation chamber (11); 52. Control heating the cold air entering the first receiving space (111) to a set temperature, and placing the substance to be evaporated in the evaporation chamber (11) to maintain the setting time;  53. After the set time is reached, control the heating element (13) to stop heating.