CN111150120A - PTC heating non-combustion atomizer - Google Patents
PTC heating non-combustion atomizer Download PDFInfo
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- CN111150120A CN111150120A CN202010177799.7A CN202010177799A CN111150120A CN 111150120 A CN111150120 A CN 111150120A CN 202010177799 A CN202010177799 A CN 202010177799A CN 111150120 A CN111150120 A CN 111150120A
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- shell
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- support
- ptc
- ptc heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 96
- 238000002485 combustion reaction Methods 0.000 title abstract description 10
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- 239000000919 ceramic Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 4
- 230000000391 smoking effect Effects 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
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Abstract
The invention discloses a PTC heating non-combustion atomizer which comprises a shell, a PCBA and a cigarette, wherein a support is arranged inside the shell, the PCBA is arranged at the lower end of the support, a battery is arranged in a semi-circular groove at one end of the support, a heating fixing pipe is arranged in a semi-circular groove at the other end of the support, a heat insulation pipe is inserted into the heating fixing pipe, a PTC heating pipe is inserted into the heat insulation pipe, a base is arranged at the bottom of the support, a key is electrically connected to the upper end of the PCBA, and the key is exposed out of the shell. According to the PTC heating non-combustible atomizer, the PTC heating pipe can be kept constant and stable, a temperature sensor is not needed, the overall weight is reduced, the heating speed of the PTC heating pipe is high compared with that of the traditional resistance heating, the service life is long, the PTC heating pipe can be directly heated, conduction is not needed, the heat consumption in the conduction process is reduced, the conversion rate of electric energy conversion heat energy is high, the PTC heating pipe is heated by adopting ceramics and aluminum sheet semiconductors, overflow is avoided, and the atomizer is safer.
Description
Technical Field
The invention relates to the field of atomizers, in particular to a PTC heating non-combustion atomizer.
Background
Smoking set is a tool for smoking, and includes devices for holding cigarettes, such as cigarette holders, pipes, guns, water pipes, cigarette cases, urns, and water urns, and an atomizer is also one of the smoking sets. In recent years, with the increasing importance of the relation between smoking and health in all societies, research on novel tobacco products is being widely carried out, wherein cigarettes which are not burnt are gradually accepted by consumers; the PTC heater is also called as PTC heater, which is composed of PTC ceramic heating element and aluminum tube, and has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant temperature and electricity-saving electric heater. The PTC heating element is characterized in that the PTC heating element does not generate the phenomenon of 'red' on the surface of an electric heating tube heater under any application condition so as to cause potential safety hazards such as scalding and fire, and the PTC heating element consists of a galvanized outer pressing plate, a stainless steel corrugated spring piece, a galvanized inner pressing plate, a single-layer aluminum heat dissipation piece, a PTC heating piece, a double-layer aluminum heat dissipation piece, a nickel-plated copper electrode terminal and a pps high-temperature plastic electrode sheath;
the patent No. 201810073213.5 discloses a smoking set, which comprises a smoking set main body, and a heating device, wherein the heating device comprises a heating cavity, a first contact part, a second contact part and a heating element, the first contact part, the second contact part and the heating element are arranged in the heating cavity, one end of the first contact part and one end of the second contact part are electrically connected with the heating element, the smoking set main body comprises a shell, a power module, a third contact part and a fourth contact part, the power module, the third contact part and the fourth contact part are arranged in the shell, one end of the third contact part and one end of the fourth contact part are electrically connected with the power module, the heating device is detachably arranged on the smoking set main body, and the other end of the first contact part is abutted against the other end of the third contact part, the other end of the second contact part is abutted against the other end of the fourth contact part. Further, the heating device is in threaded connection with the smoking set body. Furthermore, the lower end circumference face in chamber that generates heat is equipped with the external screw thread, the casing upper end be equipped with external screw thread matched with fixation nut. Further, the heating device is magnetically connected with the smoking set main body. Furthermore, the lower end of the heating cavity is provided with a first magnet, and the upper end of the shell is provided with a second magnet which is adsorbed to the first magnet. Further, the heating device is connected with the smoking set main body in a locking manner. Further, the heating device is connected with the smoking set body in a buckling mode. Furthermore, a groove is formed in the upper end face of the heating cavity and used for inserting the cigarette rod, and one end of the heating element extends upwards and is arranged in the groove. Further, the first contact part is a first protruding block protruding downwards from the heating cavity, the second contact part is a second protruding block protruding downwards from the heating cavity, the third contact part is a first groove matched with the first protruding block, and the fourth contact part is a second groove matched with the second protruding block. Further, the heating device further comprises a shell, and the heating cavity, the first contact part, the second contact part and the heating element are arranged in the shell.
The above patent documents have some problems: the existing heating body adopts resistance heating, and because the resistance heating is often damaged, a large amount of resources are consumed.
Disclosure of Invention
The invention mainly aims to provide a PTC heating non-combustion atomizer which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a PTC adds fever atomizer, includes shell, PCBA, cigarette, the inside of shell is provided with the support, and the lower extreme of support is provided with PCBA, the one end half slot of support is provided with the battery, and the other end half slot of support is provided with the fixed pipe that generates heat, the intraductal thermal-insulated pipe that has inserted of the fixed pipe that generates heat, and the intraductal PTC heating pipe that has inserted of thermal-insulated pipe, the bottom of support is provided with the base, PCBA's upper end electricity is connected with the button, and the button exposes the shell, the upper end of shell is provided with the fixing base, and the upper end of going up the fixing base is provided with the upper cover, the upper end of upper cover is provided with the suction nozzle, and has.
Preferably, the support and PCBA fixed connection, and PCBA is connected with battery, PTC heating pipe through the wire.
Preferably, the PCBA is electrically connected with the keys, the keys are exposed out of the shell, and the keys and the shell are movably arranged.
Preferably, the shell both ends are the semicircle setting, the round hole is constituteed with the inside half slot of shell to the both ends half slot of support, and places the battery between support one end and the shell, place the fixed pipe that generates heat between the support other end and the shell.
Preferably, the opening is formed in the side wall of the heat insulation pipe, the heat insulation pipe wraps the PTC heating pipe, and the temperature of the PTC heating pipe is constant.
Preferably, the edge of the upper end of the base is provided with a round hole, the round hole formed in the base corresponds to the semicircular hole of the shell, the edge of the upper end of the bottom cover is provided with a round hole, the round hole of the bottom cover is movably connected with a flip cover, and the round hole formed in the bottom cover is matched with the semicircular groove of the shell.
Preferably, go up fixing base and shell fixed connection, and go up fixing base and upper cover adaptation setting, the circular port has been seted up at the upper end edge of going up the fixing base, and the hole that goes up the fixing base and set up just to the fixed pipe that generates heat, the circular port has been seted up at the upper end edge of covering, and the circular port that the upper cover opened the circular port of establishing and was seted up with the circular port that last fixing base is seted up in alignment, the upper end cylinder and the suction nozzle adaptation setting of upper cover.
Preferably, the inner diameter of the opening of the suction nozzle is matched with the outer diameter of the cigarette.
Compared with the prior art, the invention has the following beneficial effects: the PTC heating non-combustion atomizer:
the PTC heating pipe can keep constant and stable, a temperature sensor is not needed, the whole weight is reduced, the heating speed of the PTC heating pipe is higher than that of the traditional resistance heating, the service life is long, the PTC heating pipe can be directly heated and does not need conduction, the heat consumption in the conduction process is reduced, the conversion rate of electric energy conversion heat energy is higher, the PTC heating pipe is heated by adopting ceramics and aluminum sheet semiconductors, no overflow exists, and the PTC heating pipe is safer;
the whole PTC heating non-combustion atomizer is simple in structure, convenient to operate and better in using effect compared with the traditional mode.
Drawings
Fig. 1 is a schematic view of the overall structure of a PTC heating non-combustion atomizer according to the present invention.
In the figure: 1. a support; 2. PCBA; 3. a base; 4. a battery; 5. a housing; 6. a bottom cover; 7. a cover is turned; 8. a PTC heating tube; 9. a heat insulating pipe; 10. a heat-generating fixing tube; 11. pressing a key; 12. an upper fixed seat; 13. an upper cover; 14. a suction nozzle; 15. cigarettes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a PTC heating non-combustion atomizer, which comprises a housing 5, PCBA2, and a cigarette 15, wherein a support 1 is arranged inside the housing 5, a PCBA2 is arranged at the lower end of the support 1, a battery 4 is arranged in a semicircular groove at one end of the support 1, a heating fixing tube 10 is arranged in a semicircular groove at the other end of the support 1, a heat insulation tube 9 is inserted into the heating fixing tube 10, a PTC heating tube 8 is inserted into the heat insulation tube 9, a base 3 is arranged at the bottom of the support 1, a button 11 is electrically connected to the upper end of the PCBA2, the button 11 exposes out of the housing 5, an upper fixing seat 12 is arranged at the upper end of the housing 5, an upper cover 13 is arranged at the upper end of the upper fixing seat 12, a suction nozzle 14 is arranged at the upper end of the upper cover 13.
The bracket 1 is fixedly connected with the PCBA2, and the PCBA2 is connected with the battery 4 and the PTC heating pipe 8 through wires;
wherein, PCBA2 is electrically connected with button 11, and button 11 exposes shell 5, and button 11 and shell 5 are set up movably;
wherein, the two ends of the shell 5 are arranged in a semicircle shape, the semicircular grooves at the two ends of the bracket 1 and the semicircular groove in the shell 5 form a circular hole, a battery 4 is arranged between one end of the bracket 1 and the shell 5, and a heating fixing tube 10 is arranged between the other end of the bracket 1 and the shell 5;
wherein, the side wall of the heat insulation pipe 9 is provided with an opening, the heat insulation pipe 9 wraps the PTC heating pipe 8, and the temperature of the PTC heating pipe 8 is constant; the PTC heating pipe 8 can keep constant and stable, a temperature sensor is not needed, the whole weight is reduced, the heating speed of the PTC heating pipe 8 is higher than that of the traditional resistance heating, the service life is long, the PTC heating pipe 8 can be directly heated and does not need to be conducted, the heat consumption in the conduction process is reduced, the conversion rate of electric energy conversion heat energy is higher, and the PTC heating pipe 8 is heated by adopting ceramics and aluminum sheet semiconductors, so that the heating is free of overflow and safer;
the edge of the upper end of the base 3 is provided with a round hole, the round hole formed in the base 3 corresponds to the semicircular hole of the shell 5, the edge of the upper end of the bottom cover 6 is provided with a round hole, the round hole of the bottom cover 6 is movably connected with a flip cover 7, and the round hole formed in the bottom cover 6 is matched with the semicircular groove of the shell 5;
wherein, the upper fixing seat 12 is fixedly connected with the shell 5, the upper fixing seat 12 is arranged in a matching way with the upper cover 13, a circular hole is arranged at the upper end edge of the upper fixing seat 12, the hole arranged on the upper fixing seat 12 is over against the heating fixing tube 10, a circular hole is arranged at the upper end edge of the upper cover 13, the circular hole arranged on the upper cover 13 is aligned with the circular hole arranged on the upper fixing seat 12, and the upper end cylinder of the upper cover 13 is arranged in a matching way with the suction nozzle 14;
wherein, the inner diameter of the mouth of the suction nozzle 14 is matched with the outer diameter of the cigarette 15.
It should be noted that the invention is a PTC heating non-combustion atomizer, when assembling, PCBA2 is connected with battery 4, PTC heating tube 8 through the wire, the button 11 is connected with PCBA2 electricity, PCBA2 is placed in the bracket 1, insert into the hole that the PCBA2 plate body offers through the bolt, use the bolt to carry on the fixed connection between PCBA2 and bracket 1, PTC heating tube 8 outer wall cup joints the heat insulation pipe 9, the heat insulation pipe 9 inserts into the tube of the fixed tube 10 of generating heat, use the round end cap to aim at the tube mouth of the fixed tube 10 both ends of generating heat, PTC heating tube 8 wire is through the fixed tube 10 of generating heat and is connected with PCBA2, the base 3 is placed in the bottom of the bracket 1, fixed connection between base 3 and bracket 1, the hole that the base 3 offers is aligned with the semicircular hole that the bracket 1 offers, PCBA2 is connected with battery 4, the battery 4 is blocked into the semicircular groove that the other side wall opens and closes of bracket 1, the fixed tube 10 of generating heat is placed into the semicircular, the heating fixing tube 10, the bracket 1, the battery 4 and the PCBA2 are placed in the shell 5, the semicircular surface of the battery 4 contacts the inner wall of the shell 5, the semicircular surface of the heating fixing tube 10 contacts the inner wall of the shell 5, the battery 4 and the heating fixing tube 10 are convenient to be arranged in a close fit manner with the shell 5 due to the semicircular arrangement of the two ends of the shell 5, the upper end of the PCBA2 is electrically connected with the button 11, the button 11 is arranged at a notch formed at the upper end of the shell 5, the lower end of the shell 5 is provided with the bottom cover 6, the cover of the bottom cover 6 is movably connected with the flip cover 7 in a hole formed in the cover of the bottom cover 6, the bottom cover 6 is inserted into the hole formed at the lower end of the shell 5, the flip cover 7 is fixedly connected with the shell 5, the upper fixing seat 12 is placed at the upper end of the shell 5, the upper fixing seat 12 is fixedly connected with the shell 5, the connection port at the upper end of the upper cover 13 is connected with the suction nozzle 14, the suction nozzle 14 is fixedly connected with the upper cover 13, the support 1 and the shell 5 are arranged in a matching way, so that the whole PTC heating non-combustible atomizer is assembled, when the PTC non-combustible atomizer is used, the flip cover 7 movably connected with the bottom cover 6 is opened, the battery 4 is inserted by aligning with the opened hole of the bottom cover 6, the battery 4 is connected with the PCBA2 through a wire, the battery 4 is convenient to replace, the suction nozzle 14 is movably connected with the upper cover 13, the suction nozzle 14 is convenient to replace and disassemble, the end of the cigarette 15 is inserted by aligning with the opened port of the suction nozzle 14, the button 11 is electrically connected with the PCBA2, the PCBA2 is connected with the battery 4 and the PTC heating pipe 8 through wires for heating 8 heating, the PTC heating pipe 8 can keep constant and stable, a temperature sensor is not needed, the whole weight, the PTC heating pipe 8 is also called a PTC heater and is composed of a ceramic heating element and an aluminum sheet semiconductor, the conduction is not needed, the heat consumption in the conduction process is reduced, the conversion rate of electric energy to heat energy is higher, the conversion rate of electric energy to heat energy reaches 97%, the power consumption is low, the temperature is controllable, and can be controlled to 280-400 ℃. The PTC heating element has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A PTC heating does not burn atomizer which characterized in that: comprises a shell (5), a PCBA (2) and a cigarette (15), wherein a support (1) is arranged in the shell (5), the lower end of the support (1) is provided with the PCBA (2), a battery (4) is arranged in a semi-circular groove at one end of the support (1), a heating fixing pipe (10) is arranged in a semi-circular groove at the other end of the support (1), a heat insulation pipe (9) is inserted into the heating fixing pipe (10), a PTC heating pipe (8) is inserted into the heat insulation pipe (9), a base (3) is arranged at the bottom of the support (1), a key (11) is electrically connected to the upper end of the PCBA (2), the key (11) is exposed out of the shell (5), an upper fixing seat (12) is arranged at the upper end of the shell (5), an upper cover (13) is arranged at the upper end of the upper fixing seat (12), a suction nozzle (14) is arranged at, and a cigarette (15) is inserted into the opening of the suction nozzle (14).
2. A PTC heated non-burning atomizer according to claim 1, wherein: support (1) and PCBA (2) fixed connection, and PCBA (2) are connected with battery (4), PTC heating pipe (8) through the wire.
3. A PTC heated non-burning atomizer according to claim 2, wherein: PCBA (2) is connected with button (11) electricity, and button (11) expose shell (5), the activity sets up between button (11) and shell (5).
4. A PTC heated non-burning atomizer according to claim 3, wherein: the utility model discloses a battery, including shell (5), shell (5) both ends are the semicircle setting, the round hole is constituteed with shell (5) inside half slot to the both ends half slot of support (1), and places battery (4) between support (1) one end and shell (5), place between support (1) the other end and shell (5) and generate heat fixed tube (10).
5. A PTC heated non-burning atomizer according to claim 4, wherein: the opening is formed in the side wall of the heat insulation pipe (9), the heat insulation pipe (9) wraps the PTC heating pipe (8), and the temperature of the PTC heating pipe (8) is constant.
6. A PTC heated non-burning atomizer according to claim 5, wherein: the round hole has been seted up at the upper end edge of base (3), and the round hole that base (3) were seted up is corresponding with shell (5) semicircle orifice, the circular port has been seted up at the upper end edge of bottom (6), and bottom (6) circular port swing joint has flip (7), the circular port that bottom (6) were seted up sets up with shell (5) semicircle orifice adaptation.
7. A PTC heated non-burning atomizer according to claim 6, wherein: go up fixing base (12) and shell (5) fixed connection, and go up fixing base (12) and upper cover (13) adaptation setting, the circular port has been seted up at the upper end edge of going up fixing base (12), and the hole of going up fixing base (12) and seting up is just to fixed pipe (10) that generate heat, the circular port has been seted up at upper cover (13) upper end edge, and the circular port that upper cover (13) was seted up aligns with the circular port that last fixing base (12) was seted up and sets up, the upper end cylinder and suction nozzle (14) adaptation setting of upper cover (13).
8. A PTC heated non-burning atomizer according to claim 7, wherein: the inner diameter of the opening of the suction nozzle (14) is matched with the outer diameter of the cigarette (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177799.7A CN111150120A (en) | 2020-03-13 | 2020-03-13 | PTC heating non-combustion atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177799.7A CN111150120A (en) | 2020-03-13 | 2020-03-13 | PTC heating non-combustion atomizer |
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| Publication Number | Publication Date |
|---|---|
| CN111150120A true CN111150120A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010177799.7A Pending CN111150120A (en) | 2020-03-13 | 2020-03-13 | PTC heating non-combustion atomizer |
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| Country | Link |
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| CN (1) | CN111150120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024077663A1 (en) * | 2022-10-12 | 2024-04-18 | 深圳达钿科技有限公司 | Electromagnetic heating atomization device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107536113A (en) * | 2017-09-05 | 2018-01-05 | 惠州市新泓威科技有限公司 | Heat fire-retardant type electronic smoking set |
| CN208274079U (en) * | 2018-05-25 | 2018-12-25 | 南安市美胤机械科技有限公司 | A kind of non-combustion-type tobacco suction unit based on PTC ceramics heating |
| CN110477464A (en) * | 2019-09-24 | 2019-11-22 | 深圳市云熙智能有限公司 | A kind of smoking set of circumferential direction heated baking cigarette with filter tip |
| CN212139317U (en) * | 2020-03-13 | 2020-12-15 | 深圳市五典科技有限公司 | PTC heating non-combustion atomizer |
-
2020
- 2020-03-13 CN CN202010177799.7A patent/CN111150120A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107536113A (en) * | 2017-09-05 | 2018-01-05 | 惠州市新泓威科技有限公司 | Heat fire-retardant type electronic smoking set |
| WO2019047758A1 (en) * | 2017-09-05 | 2019-03-14 | 惠州市新泓威科技有限公司 | Nonflammable heating electronic cigarette |
| CN208274079U (en) * | 2018-05-25 | 2018-12-25 | 南安市美胤机械科技有限公司 | A kind of non-combustion-type tobacco suction unit based on PTC ceramics heating |
| CN110477464A (en) * | 2019-09-24 | 2019-11-22 | 深圳市云熙智能有限公司 | A kind of smoking set of circumferential direction heated baking cigarette with filter tip |
| CN212139317U (en) * | 2020-03-13 | 2020-12-15 | 深圳市五典科技有限公司 | PTC heating non-combustion atomizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024077663A1 (en) * | 2022-10-12 | 2024-04-18 | 深圳达钿科技有限公司 | Electromagnetic heating atomization device |
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