CN110169605A - Electronic atomization device and its heat generating component and heater - Google Patents

Abstract

The present invention relates to a kind of electronic atomization device and its heat generating component and heater, which includes heating part, and the heating part includes the first spire and the second spire of helically sheet, first spire and the series connection of the second spire and is mutually embedded.Heater of the invention uses the helicoidal structure formed by series connection and mutually the first spire and the second spire that are embedded, the heterogeneity phantom of helicoidal structure is relatively more evenly, first the appearance that can effectively prevent hot localised points can slow down a possibility that generating the smell of burning significantly；Second heat conduction can be effectively carried out, prevents heater too fast because heating up due to life time decay.

Description

Electronic atomization device and its heating component and heating element

technical field

The invention relates to the field of articles for smokers, and more specifically, relates to an electronic atomization device, a heating component and a heating body thereof.

Background technique

At present, ceramic heating elements are widely used in electronic cigarettes. The ceramic heating element generally includes a liquid-conducting porous ceramic body and a heating element arranged on the porous ceramic body. The current heating element is to print electronic paste directly on the ceramic green body, bake it at high temperature and then process the electrode and lead wire to obtain the ceramic heating element.

However, the heating element on the existing ceramic heating element is formed by sintering printed electronic paste on the atomizing surface of the porous ceramic body, which is actually a heating circuit, and its thermal field distribution on the atomizing surface of the ceramic heating element is very uneven. As a result, the temperature of some areas on the atomization surface of the ceramic heating element is too high, causing the liquid in this area to undergo a chemical reaction to produce harmful substances, while the temperature in some areas is low, which cannot effectively atomize the liquid in this area.

Contents of the invention

The technical problem to be solved by the present invention is to provide an electronic atomization device, its heating component and heating element, which adopts a helical structure with a more uniform thermal field distribution.

The technical solution adopted by the present invention to solve the technical problem is to construct a heating element for use in an electronic atomization device, including a heating part, the heating part includes a first spiral part and a second spiral part in the shape of a spiral sheet, The first spiral part and the second spiral part are connected in series and embedded with each other.

In some embodiments, both the first helical part and the second helical part include a first end located at the center of the helix and a second end opposite to the first end, the first end of the first helical part connected with the first end of the second helical part.

In some embodiments, the first helical part and the second helical part are square helical;

The first spiral part includes at least one first straight segment, at least one second straight segment, and at least one second straight segment connected and bent between one end of the first straight segment and one end of the second straight segment. a connecting segment;

The second spiral part includes at least one third straight segment, at least one fourth straight segment, and at least one first straight segment connected and bent between one end of the third straight segment and one end of the fourth straight segment. Two connecting segments.

In some embodiments, the first ends of the first helical part and the second helical part are U-shaped, and the first end of the first helical part is connected with the first end of the second helical part to form an S type structure.

In some embodiments, the first helical portion includes at least two first straight line segments and at least three second straight line segments, and the second helical portion includes at least two third straight line segments and at least three fourth straight line segments part.

In some embodiments, the widths L1 of the first straight line segment, the second straight line segment, the third straight line segment and the fourth straight line segment are equivalent.

In some embodiments, the width L1 of the first straight line segment, the second straight line segment, the third straight line segment and the fourth straight line segment is all 0.26-0.3 mm.

In some embodiments, the first straight line segment and the third straight line segment are arranged equidistantly and alternately, and the second straight line segment is arranged equidistantly and alternately with the fourth straight line segment.

In some embodiments, the distance L2 between the first straight line segment and the adjacent third straight line segment is 0.6-0.7 mm, and the distance L3 between the second straight line segment and the adjacent fourth straight line segment 0.3-0.5mm.

In some embodiments, the heating element further includes welding pads respectively connected to the second ends of the first helical part and the second helical part, and the welding pads are parallel to the first straight line segment and the third straight line segment.

In some embodiments, the length L5 of the pad is 2-4 mm, and the width L4 is 0.7-0.9 mm; the distance L6 between the pad and the adjacent first or third straight line segment is 0.55 mm. -0.75mm.

In some embodiments, the heating element is made by electronic paste printing.

The present invention also provides a heating component, including an adsorption piece for absorbing smoke liquid, and the heating element as described in any one of the above, the adsorption piece includes an atomizing surface, and the heating element is arranged on the atomization surface. surface, and the shape of the heating element corresponds to the shape of the atomizing surface.

In some embodiments, the adsorbent is porous ceramic.

In some embodiments, the adsorbent has a stepped shape, and the adsorbent includes a first layer close to the atomizing surface and a second layer far away from the atomizing surface, and the outer dimension of the first layer is smaller than The external dimensions of the second layer.

In some embodiments, the side of the second layer away from the atomizing surface is provided with an inwardly recessed groove.

In some embodiments, the adsorbent includes a sintered porous body, and the heating element is integrally formed with the sintered porous body by sintering.

The present invention also provides an electronic atomization device, comprising the heating element described in any one of the above, or the heating component described in any one of the above.

Implementing the present invention has at least the following beneficial effects: the heating element of the present invention adopts a helical structure formed by the first helical part and the second helical part embedded in series, and the thermal field distribution of the helical structure is relatively more uniform. It can effectively prevent the occurrence of local hot spots and greatly reduce the possibility of burning smell; second, it can effectively conduct heat conduction and prevent the life of the heating element from decaying due to excessive heating.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic diagram of the disassembled structure of the atomizer and battery components of the electronic atomization device in some embodiments of the present invention;

Fig. 2 is a schematic structural view of a heating component in some embodiments of the present invention;

Fig. 3 is a structural schematic view of another angle of the heating component in some embodiments of the present invention;

Fig. 4 is a schematic structural view of a heating element in some embodiments of the present invention;

Fig. 5 is a thermal field distribution diagram of the heating element shown in Fig. 4;

Fig. 6 is a structural schematic diagram of a heating element in the prior art;

Fig. 7 is a thermal field distribution diagram of the heating element shown in Fig. 6 .

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

Figures 1-2 show electronic atomization devices in some embodiments of the present invention, which can be used as electronic cigarettes or medical atomizers.

The electronic atomization device may include an atomizer 1 and a battery assembly 2 in some embodiments. Wherein, the atomizer 1 includes a liquid storage chamber for storing smoke liquid, and a heating component connected with the liquid storage chamber through a liquid guide. The heating component may include an absorber 12 for absorbing smoke liquid from the liquid storage chamber and a heat generating body 11 for heating and atomizing the smoke liquid absorbed in the absorber 12 . After the atomizer 1 and the battery assembly 2 are assembled, the battery assembly 2 supplies power to the heating element 11 of the heating element in the atomizer 1. After the heating element 11 generates heat, it heats and atomizes the e-liquid for the user to inhale.

The electronic atomization device may be flat in some embodiments. In some embodiments, the atomizer 1 and the battery assembly 2 can be connected together in detachable ways such as magnetic attraction and screw connection. As shown in FIG. 1 , the lower end of the atomizer 1 is inserted into the upper end of the battery assembly 2 , and the two can be combined by magnetic attraction.

Figures 2-4 show the heating components in some embodiments of the present invention. The heating components include an adsorbent 12 for absorbing smoke liquid from the liquid storage chamber of the atomizer and smoke absorbed by the adsorbent 12. The heating element 11 for heating and atomizing the liquid.

The adsorbent 12 may include a porous body in some embodiments, and the porous body may be made of hard capillary structures such as porous ceramics, porous glass ceramics, and porous glass. Preferably, the adsorbent 12 is made of porous ceramics. Further, the porosity of the porous ceramic can be 40%-80%, and the pore diameter can be 1 μm-100 μm.

In some embodiments, the adsorbent 12 may be substantially but not limited to a cuboid shape, which includes a long and long atomizing surface 1211 and a liquid absorbing surface 1221 opposite to the atomizing surface 1211 . The liquid-absorbing surface 1221 is used to communicate with the liquid storage cavity, so as to allow the e-liquid to enter the adsorbent 12 . After being heated and atomized in the adsorbent 12 , the smoke liquid escapes through the atomizing surface 1211 .

Further, in some embodiments, the adsorbent 12 can be stepped, which includes a first layer 121 close to the atomizing surface 1211 and a second layer 122 away from the atomizing surface 1211 . Both the first layer 121 and the second layer 122 can be substantially cuboid, and the outer dimension of the first layer 121 is smaller than the outer dimension of the second layer 122 . In this embodiment, the length of the first layer 121 is smaller than the length of the second layer 122 , and the width of the first layer 121 is equivalent to the width of the second layer 122 . The adsorption part 12 is arranged in a stepped shape, so that the overall height is high enough to facilitate the installation of the adsorption part 12 .

A side of the first layer 121 away from the second layer 122 forms an atomizing surface 1211 , and a side of the second layer 122 away from the first layer 121 forms a liquid-absorbing surface 1221 . In some embodiments, the side of the second layer 122 corresponding to the liquid-absorbing surface 1221 can also be provided with an inwardly recessed groove 1222, on the one hand, it can ensure that the distance between the liquid-absorbing surface 1221 and the atomizing surface 1211 is close enough; on the other hand On the one hand, the inner surface of the groove 1222 also forms a liquid-absorbing surface 1221, thereby increasing the area of the liquid-absorbing surface and improving the liquid-conducting performance.

The heating element 11 is disposed on the atomizing surface 1211 of the adsorbent 12 , and the shape of the heating element 11 may correspond to the shape of the atomizing surface 1211 . In this embodiment, the heating element 11 is elongated corresponding to the atomizing surface 1211 .

The heating element 11 can be made by electronic paste printing. When the adsorbent 12 has a sintered structure, the heating element 11 can be integrally formed with the adsorbent 12 by sintering. Specifically, taking the adsorbent 12 as an example of porous ceramics, electronic paste can be printed on the ceramic green body first, then baked at high temperature, and then treated with electrodes and leads to obtain a ceramic heating component.

In some embodiments, the atomizing surface 1211 may be a smooth plane, and after the heating element 11 is printed on the atomizing surface 1211 , the heating element 11 is slightly higher than the atomizing surface 1211 . In other embodiments, the atomizing surface 1211 can also be recessed inward to form a mounting groove, and the heating element 11 is arranged in the mounting groove, and the top surface of the heating element 11 can be flush with the atomizing surface 1211, or can also be slightly higher. At or slightly below the atomizing surface 1211.

As shown in FIG. 4 , the heating body 11 may include a heating portion 111 and a welding pad 112 in some embodiments. The heating part 111 includes a first helical part 1111 and a second helical part 1112 in a helical sheet shape, and the first helical part 1111 and the second helical part 1112 are connected in series and embedded with each other. The helical directions of the first helical part 1111 and the second helical part 1112 are the same, and they both rotate clockwise or counterclockwise. Both the first spiral part 1111 and the second spiral part 1112 include a first end located at the center of the spiral and a second end opposite to the first end. In some embodiments, the first end of the first helical part 1111 is connected to the first end of the second helical part 1112 .

In some embodiments, both the first helical part 1111 and the second helical part 1112 are square helical. In some embodiments, the first ends of the first helical part 1111 and the second helical part 1112 are U-shaped, and the first end of the first helical part 1111 is connected with the first end of the second helical part 1112 to form an S-shaped structure. . The S-shaped structure forms the helical center of the heating element 11 , and the first helical part 1111 and the second helical part 1112 are formed by spiraling outwards from two ends of the S-shaped helical center.

The first spiral part 1111 includes at least one first straight section 1113, at least one second straight section 1114, and at least one first straight section 1113 connected and bent between one end of the first straight section 1113 and one end of the second straight section 1114. Connect segment 1115 . The second spiral part 1112 includes at least one third straight section 1116, at least one fourth straight section 1117, and at least one second second section connected and bent between one end of the third straight section 1116 and one end of the fourth straight section 1117. Connect segment 1118 . Wherein, the second straight section 1114 and the fourth straight section 1117 are arranged along the longitudinal direction of the adsorbent 12 , and the first straight section 1113 and the third straight section 1116 are arranged perpendicular to the longitudinal direction of the adsorbent 12 . Further, the width L1 of the first straight line segment 1113 , the second straight line segment 1114 , the third straight line segment 1116 , and the fourth straight line segment 1117 are equivalent. The first straight line segment 1113 and the third straight line segment 1116 are arranged equidistantly and alternately, and the second straight line segment 1114 and the fourth straight line segment 1117 are equidistantly arranged alternately, so as to make the heat generation uniform.

In some implementations, the number of first straight segments 1113 in the first helical part 1111 is equivalent to the number of third straight segments 1116 in the second helical part 1112, and the number of second straight segments 1114 in the first helical part 1111 is equivalent to the number of second straight segments 1116 in the second helical part 1111. The number of the fourth straight line segments 1117 in the spiral portion 1112 is equivalent. Further, the first spiral part 1111 includes at least two first straight segments 1113 and at least three second straight segments 1114, and the second spiral part 1112 includes at least two third straight segments 1116 and at least three fourth straight segments 1117 . Wherein, the end of the second straight line segment 1114 at the center is connected to the end of the fourth straight line segment 1117 at the center. It should be noted that the number of helical rings of the first helical part 1111 and the second helical part 1112 is not a key factor determining the uniformity of the thermal field distribution.

The pads 112 are respectively connected to the second ends of the first spiral portion 1111 and the second spiral portion 1112 . Preferably, the welding pad 112 is arranged parallel to the first straight line segment 1113 and the third straight line segment 1116 , that is, the welding pad 112 is arranged perpendicular to the longitudinal direction of the adsorption member 12 .

In some embodiments, the width L1 of the first straight segment 1113 , the second straight segment 1114 , the third straight segment 1116 , and the fourth straight segment 1117 is all 0.26-0.3 mm. The distance L2 between the first straight line segment 1113 and the adjacent third straight line segment 1116 can be 0.6-0.7 mm, and the distance L3 between the second straight line segment 1114 and the adjacent fourth straight line segment 1117 can be 0.3-0.5 mm. mm. The length L5 of the pad 112 may be 2-4mm, and the width L4 may be 0.7-0.9mm. The distance L6 between the pad 112 and the adjacent first straight line segment 1113 or third straight line segment 1116 may be 0.55-0.75 mm. Among them, L1, L2, and L3 are the main factors affecting whether the heat can be evenly distributed.

Fig. 5 shows the thermal field distribution diagram when using the heating element 11 shown in Fig. 4, wherein the adsorbent 12 adopts diatomite porous ceramics with a porosity of 56% and a thermal conductivity of 0.056w/m.k; the heating element 11 L1 is 0.28mm, L2 is 0.65mm, L3 is 0.4mm, L4 is 0.8mm, L5 is 3mm, and L6 is 0.65mm.

Fig. 6 is a schematic structural diagram of a heating element 11b in some embodiments of the prior art. The heating element 11b includes an S-shaped heating portion 111b and welding pads 112b respectively connected to two ends of the heating portion 111b. The heating part 111b includes at least one straight part 1111b arranged parallel to each other at equal intervals and at least one curved part 1112b connecting these straight parts 1111b in series, and the width of the straight part 1111b is equivalent to the width of the curved part 1112b. Wherein, the straight portion 1111b is arranged along the longitudinal direction of the adsorbent, and the welding pad 112b is connected to the end of the straight portion 1111b and arranged perpendicular to the longitudinal direction of the adsorbent.

FIG. 7 is a thermal field distribution diagram when the S-shaped heating part 111b shown in FIG. 6 is used. As a comparison, the adsorbent also uses diatomite porous ceramics with a porosity of 56% and a thermal conductivity of 0.056w/m.k; The distance L8 between the straight parts 1111b is 0.7mm, the distance L9 between the pad 112b and the adjacent curved part 1112b is 0.95mm, the width L10 of the pad 112b is 1.1mm, and the length L11 of the pad 112b is 2.52mm. mm.

4 and 6, it can be seen that the area occupied by the welding pad 112 on the atomizing surface of the spiral heating element 11 adopted in the present invention is relatively small, and the area occupied by the heating part 111 on the atomizing surface is relatively small. Larger, thus improving the atomization efficiency and high space utilization.

Combining the thermal field distribution diagrams shown in Figures 5 and 7, it can be seen that the thermal field distribution of the spiral heating element 11 used in the present invention is relatively more uniform, which can effectively prevent the occurrence of local hot spots and greatly reduce the occurrence of burnt smell The possibility of; second, it can effectively conduct heat to prevent the life of the heating element from decaying due to excessive heating.

It can be understood that the above technical features can be used in any combination without limitation.

Above embodiment has only expressed the preferred embodiment of the present invention, and its description is comparatively specific and detailed, but can not therefore be interpreted as the limitation of patent scope of the present invention; It should be pointed out that, for those of ordinary skill in the art, in Under the premise of not departing from the concept of the present invention, the above-mentioned technical features can be freely combined, and some deformations and improvements can also be made, which all belong to the protection scope of the present invention; therefore, all equivalent transformations made with the scope of the claims of the present invention All modifications and modifications shall fall within the scope of the claims of the present invention.

Claims (18)

1. a kind of heater (11) is used for electronic atomization device, which is characterized in that including heating part (111), the heating part (111) include helically sheet the first spire (1111) and the second spire (1112), first spire (1111) It connects with the second spire (1112) and is mutually embedded.

2. heater (11) according to claim 1, which is characterized in that first spire (1111), the second spiral Portion (1112) includes the second end for being located at the first end of spiral center and being oppositely arranged with the first end, first spiral shell The first end in rotation portion (1111) is connect with the first end of second spire (1112).

3. heater (11) according to claim 2, which is characterized in that first spire (1111), the second spiral Portion (1112) is square spiral shape；

First spire (1111) includes at least one first straight line section (1113), at least one second straight line section (1114) and between one end of the first straight line section (1113) and one end of the second straight line section (1114) it connects simultaneously It is bent at least one first linkage section (1115) of setting；

Second spire (1112) includes at least one third straightway (1116), at least one the 4th straightway (1117) and between one end of the third straightway (1116) and one end of the 4th straightway (1117) it connects simultaneously It is bent at least one second linkage section (1118) of setting.

4. heater (11) according to claim 3, which is characterized in that first spire (1111), the second spiral The first end in portion (1112) is U-shaped, the first end of first spire (1111) and second spire (1112) First end connects to form S type structure.

5. heater (11) according to claim 4, which is characterized in that first spire (1111) includes at least two A first straight line section (1113) and at least three second straight line sections (1114), second spire (1112) include at least two Third straightway (1116) and at least three the 4th straightways (1117).

6. heater (11) according to claim 3, which is characterized in that the first straight line section (1113), second straight line Section (1114), third straightway (1116), the width L1 of the 4th straightway (1117) are suitable.

7. heater (11) according to claim 6, which is characterized in that the first straight line section (1113), second straight line Section (1114), third straightway (1116), the 4th straightway (1117) width L1 be 0.26-0.3mm.

8. heater (11) according to claim 3, which is characterized in that the first straight line section (1113) and the third Straightway (1116) is equidistantly staggered, and the second straight line section (1114) equidistantly staggeredly sets with the 4th straightway (1117) It sets.

9. heater (11) according to claim 8, which is characterized in that the first straight line section (1113) and adjacent the Spacing L2 between three straightways (1116) is 0.6-0.7mm, the second straight line section (1114) and the 4th adjacent straightway (1117) the spacing L3 between is 0.3-0.5mm.

10. heater (11) according to claim 3, which is characterized in that the heater (11) further includes being separately connected In first spire (1111), the pad (112) of the second spire (1112) second end, the pad (112) is parallel to The first straight line section (1113), third straightway (1116).

11. heater (11) according to claim 10, which is characterized in that the length L5 of the pad (112) is 2- 4mm, width L4 are 0.7-0.9mm；The pad (112) and adjacent first straight line section (1113) or third straightway (1116) Between spacing L6 be 0.55-0.75mm.

12. heater (11) according to claim 1, which is characterized in that the heater (11) is printed using electric slurry Brush is made.

13. a kind of heat generating component, which is characterized in that including the adsorption piece (12) for adsorbing tobacco juice and such as claim 1- 12 described in any item heaters (11), the adsorption piece (12) include atomization face (1211), and heater (11) setting exists On the atomization face (1211), and the shape of the heater (11) is corresponding with the atomization face (1211) shape.

14. heat generating component according to claim 13, which is characterized in that the adsorption piece (12) is porous ceramics.

15. heat generating component according to claim 13, which is characterized in that the adsorption piece (12) is in step type, the suction Attachment (12) includes the first layer (121) close to the atomization face (1211) and the second layer far from the atomization face (1211) (122), the external dimensions of the first layer (121) is less than the external dimensions of the second layer (122).

16. heat generating component according to claim 15, which is characterized in that the second layer (122) is far from the atomization face (1211) side is equipped with the groove being recessed inwardly.

17. heat generating component according to claim 13, which is characterized in that the adsorption piece (12) includes that sintered type is porous Body, the heater (11) by way of sintering with the porous body by integral forming of the sintered type.

18. a kind of electronic atomization device, which is characterized in that including the described in any item heaters of claim 1 to 12 (11), or The described in any item heat generating components of claim 13 to 17.