CN215347053U - Heater and electronic atomization device - Google Patents
Heater and electronic atomization device Download PDFInfo
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- CN215347053U CN215347053U CN202120517063.XU CN202120517063U CN215347053U CN 215347053 U CN215347053 U CN 215347053U CN 202120517063 U CN202120517063 U CN 202120517063U CN 215347053 U CN215347053 U CN 215347053U
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Abstract
The utility model relates to a heater and an electronic atomization device, wherein an atomizer comprises a heating body and two electrode bodies, the two electrode bodies are arranged at intervals, the heating body comprises at least two heating units connected between the electrode bodies, and the at least two heating units are arranged at intervals along the length direction of the electrode bodies to form at least two parallel circuits through electrodes. Because at least two heating units forming a parallel circuit are directly connected between the electrode bodies, the heater has enough connection strength, and the heating units and the electrode bodies can be well prevented from being separated from each other, so that the service life of the heater is prolonged.
Description
Technical Field
The present invention relates to electronic atomization, and particularly to a heater and an electronic atomization apparatus including the heater.
Background
The electronic atomization device has the advantages of safety, convenience, health and environmental protection, is concerned and favored by people and has wide market development prospect. The electronic atomization device comprises a power supply assembly and a heating body, the power supply assembly supplies power to the heater, the heater converts electric energy into heat energy, and an atomization medium in the electronic atomization device absorbs the heat energy and then converts the heat energy into aerosol which can be sucked by a user. For a conventional heater, a heating film is usually attached to the surface of an insulating substrate, but the heating film is easily subjected to quality defects such as virtual connection, peeling or floating with the insulating substrate, so that the service life of the heater and the electronic atomization device is affected.
SUMMERY OF THE UTILITY MODEL
The utility model solves a technical problem of how to prolong the service life of a heater.
A heater comprises a heating body and two electrode bodies, wherein the two electrode bodies are arranged at intervals, the heating body comprises at least two heating units connected between the electrode bodies, and the at least two heating units are arranged at intervals along the length direction of the electrode bodies to form at least two parallel circuits through the electrodes.
In one embodiment, each of the heating units has a front surface and a back surface arranged at intervals in a direction perpendicular to the length direction of the heater, and the front surface and the back surface are flush with the surface of the electrode body, respectively.
In one embodiment, the electric heating device further comprises insulators, a gap is formed between the two electrode bodies and the at least two heating units, at least part of the insulators are filled in the gap, and the insulators are flush with the front surface and the back surface respectively.
In one embodiment, the insulator includes a spike attached to an end of the electrode body, the spike having a fixed end attached to the electrode body and a free end remote from the electrode body, the spike having a cross-sectional dimension that decreases in a direction from the fixed end toward the free end.
In one embodiment, the heating body includes a tip heating unit connected between end portions of the two electrode bodies, the tip heating unit having a fixed end connected to the electrode body and a free end remote from the electrode body, the tip heating unit having a cross-sectional dimension that decreases in a direction from the fixed end toward the free end.
In one embodiment, the heating unit is integrally formed or welded with the electrode body.
In one embodiment, the electrode body has a first end and a second end in the length direction, the first end is used for being electrically connected with the electric connecting piece, and the interval distance between the heating units close to the second end is smaller than the interval distance between the heating units close to the first end.
In one embodiment, the heater is a sheet structure or a column structure, and the thickness of the heater is 0.3mm to 3 mm.
In one embodiment, the heating unit is a porous structure or a solid structure.
An electronic atomising device comprising a heater as claimed in any one of the above.
One technical effect of one embodiment of the utility model is that: because a plurality of heating units forming a parallel circuit are directly connected between the electrode bodies, the heater has enough connection strength, and the heating units and the electrode bodies can be well prevented from being separated from each other, so that the service life of the heater is prolonged.
Drawings
Fig. 1 is a schematic cross-sectional view of a heater according to a first embodiment;
fig. 2 is a schematic perspective view of a heater according to a second embodiment;
FIG. 3 is an exploded view of the heater of FIG. 2;
fig. 4 is a schematic perspective view of a heater according to a third embodiment;
fig. 5 is an exploded view of the heater shown in fig. 4.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1, an electronic atomizing device according to an embodiment of the present invention includes a power supply assembly and a heater 10, where the heater 10 includes a heating body 100 and two electrode bodies 200, the two electrode bodies 200 are spaced apart from each other. The heating body 100 includes at least two heating units 110, and for a single heating unit 110, one end of the heating unit 110 is connected to one of the electrode bodies 200, and the other end of the heating unit 110 is connected to the other electrode body 200, that is, the heating unit 110 is connected between two electrode bodies 200, and two adjacent heating units 110 are arranged at intervals along the length direction extension direction of the electrode bodies 200. Electrical connections such as leads on the power module are electrically connected to the ends of the electrode body 200 so that the power module supplies power to the entire heater 10.
The specific resistance of heating unit 110 is greater than that of electrode body 200, and when electrode body 200 is energized, the amount of heat generated by electrode body 200 with respect to heating body 100 is negligible, which can be understood as electrode body 200 having a conductive function and not a heat generating function. The heating unit 110 may be made of alloy or gold with high current rateIntergeneric compounds (e.g. FeSi, FeSi)2、FeSi3Etc.), semiconductors (BaTiO)3) Ore (hematite, ilmenite, etc.), cermet (Al)2O3/Ni、ZrO2Fe, etc.), conductive infrared ceramics (SiC, etc.), etc. The electrode body 200 may use copper, nickel, iron, steel, aluminum, or a mixture of the five, which has a relatively low resistivity, or titanium carbide, titanium boride, titanium nitride, molybdenum silicide, or a mixture of the four. When the heating body 100 is powered on to generate heat, the atomizing medium can be atomized to form aerosol for a user to suck, the atomizing medium is an aerosol generating substrate, and the atomizing medium can be a solid cigarette or liquid oil. At least two heating units 110 form at least two parallel circuits by means of electrodes, i.e. the heating units 110 are electrically connected with batteries in the power supply assembly by means of electrodes to form a circuit, so that the batteries supply the heating units 110, for example, in view of each heating unit 110 being connected between two electrode bodies 200, the respective heating units 110 may be connected in parallel with each other to form a plurality of parallel circuits.
The heating unit 110 is integrally formed with the electrode body 200, for example, by placing the powder for the electrode body 200 and the powder for forming the heating unit 110 in a mold, compacting the powder by pressurizing the powder, that is, forming a blank of the heater 10 by powder press molding, and then sintering the blank of the heater 10 at a certain temperature to form a finished product of the heater 10. Then, like the heating unit 110, injection molding is adopted, the molded heating unit 110 is placed in a cavity of a mold, and then the liquid electrode body 200 material is injected into the cavity and cooled to obtain the integrally molded heater 10. Of course, the heating unit 110 and the electrode body 200 may be formed by welding separately. The connection modes of the integral molding and the split welding can ensure that the heater 10 has enough connection strength, and the heating unit 110 and the electrode body 200 can be well prevented from being separated from each other to influence the service life of the heater 10.
Referring to fig. 2 and 3, the heating unit 110 has a front surface 111, a rear surface 112, a top surface 113, and a bottom surface 114, and takes a direction perpendicular to a length extension direction of the heater 10 as a reference direction, which may be a thickness direction of the heater 10, along which the front surface 111 and the rear surface 112 are spaced apart and oriented oppositely. The top surface 113 and the bottom surface 114 are disposed at intervals in the longitudinal direction of the heater 10 in opposite directions, the top surface 113 being connected between the upper ends of the front surface 111 and the back surface 112, and the bottom surface 114 being connected between the lower ends of the front surface 111 and the back surface 112. Both the front surface 111 and the back surface 112 are flush with two surfaces of each electrode body 200, respectively, which are arranged at intervals in the above-described reference direction. When the heater 10 is inserted in the solid atomizing medium, the front surface 111 and the rear surface 112 can be simultaneously brought into contact with the atomizing medium, so that heat generated on the front surface 111 and the rear surface 112 is rapidly transferred to the atomizing medium, thereby improving heating speed and energy utilization rate.
With a conventional heater in which a heating film is attached to an insulating substrate, a heating surface for generating heat is formed only on one surface (e.g., front surface) of the heating film, so that the area of the heating surface is small, resulting in a "surface heating" mode of the heater. Therefore, for the solid atomizing medium, as the heater is inserted into the atomizing medium, compared with the atomizing medium far away from the heating surface, the atomizing medium near the heating surface forms local high temperature due to relatively more heat absorption, so that the aerosol generated by atomizing the atomizing medium has scorched smell, and the smoking taste and the body health of a user are influenced. Meanwhile, the atomization amount of the atomization medium in unit time is small, so that the concentration of the aerosol is influenced.
With the heater 10 of the above embodiment, the front surface 111, the back surface 112, the top surface 113 and the bottom surface 114 of the heating unit 110 are heating surfaces that can generate heat, so that the heating area of the heating unit 110 can be increased. The four surfaces are three-dimensionally distributed in a three-dimensional space, so that the heater 10 is in a 'body heating' mode, and therefore, when the heater 10 is inserted into a solid atomization medium, the atomization medium close to the front surface 111 and far away from the front surface 111 (i.e. close to the back surface 112) have equal opportunities to absorb heat to form equal temperatures, so that the atomization medium is prevented from generating local high temperature to generate scorched smell. Since the heater 10 is in a "bulk heating" mode with a large heating area, the atomization amount of the atomized medium per unit time can be increased to increase the concentration of the aerosol.
Referring to fig. 2 and 3, when the heater 10 is used to heat a solid atomized medium, in order to increase the rigidity of the heater 10 so that the heater 10 is rapidly inserted into the solid atomized medium, the heater 10 may further include an insulator 300, and the insulator 300 may be made of an insulating ceramic or glass material. Specifically, gaps 11 are provided between two electrode bodies 200, between at least two heating units 110, and between the electrode bodies 200 and the heating units 110, and at least a part of the insulator 300 is filled in the gaps 11. Therefore, by providing the insulator 300, the heater 10 can be prevented from being bent or broken during insertion of the atomized medium. Meanwhile, both the front surface 111 and the rear surface 112 of the heating unit 110 are flush with both surfaces of the insulator 300 spaced apart in the above-mentioned reference direction, respectively, and when the heater 10 is inserted in the solid state of the atomized medium, the front surface 111 and the rear surface 112 of the heating unit 110 are simultaneously brought into contact with the atomized medium, thereby improving the heating speed and the utilization rate of energy.
Referring to fig. 2 and 3, the electrode assembly 200 has a first end 221 and a second end 222 along the length direction thereof, and the first end 221 is used for electrically connecting with an electrical connecting component such as a lead. The insulator 300 further includes a spike 310 connected to the second end 222 of the electrode body 200, the spike 310 having a fixed end 311 connected to the electrode body 200 and a free end 312 remote from the electrode body 200, the spike 310 having a cross-sectional dimension a that gradually decreases in a direction from the fixed end 311 toward the free end 312. The spike 310 may thereby be configured with a generally sharp cone angle to facilitate rapid insertion of the heater 10 into the solid aerosol medium. Referring to fig. 1, in other embodiments, the heater 10 may not be provided with the insulator 300 for the solid atomized medium, in which case the heating body 100 includes the tip heating unit 120, the tip heating unit 120 is connected between the second ends 222 of the electrode body 200, the tip heating unit 120 has a fixed end 121 connected to the electrode body 200 and a free end 122 away from the electrode body 200, and the cross-sectional dimension B of the tip heating unit 120 is gradually reduced in a direction from the fixed end 121 toward the free end 122. The tip heating unit 120 may also be made to have a generally sharp cone angle configuration to facilitate rapid insertion of the heater 10 into the solid aerosol medium.
Referring to fig. 1, in view of the fact that the heating units 110 are spaced apart from each other to form a parallel circuit, the spacing distance between the heating units 110 can be changed to adjust the density, and it is obvious that, for the entire heater 10, when the heating units 110 in a certain area are spaced apart more closely, the number of the heating units 110 in the certain area is greater, and the amount of heat generated in the certain area per unit time is greater. Conversely, when the heating units 110 of a certain area are more spaced and more sparse, the number of the heating units 110 of the area is smaller, and the amount of heat generated by the area per unit time is smaller. For example, the electrode body 200 has a first end 221 and a second end 222 in the length direction thereof, the first end 221 is used for electrically connecting with the electrical connector of the power module, and the interval distance H between the heating units 110 near the second end 222 is smaller than the interval distance H between the heating units 110 near the first end 221. So that the area of the heater 10 near the second end 222 generates relatively more heat per unit time and the area of the heater 10 near the first end 221 generates relatively less heat per unit time. Therefore, by adjusting the density of the heating unit 110, the thermal field distribution of the heater 10 can be effectively changed. Meanwhile, the resistance value of the heating unit 110 may also be adjusted to change the distribution of the heating thermal field, and the adjustment of the resistance value of the heating unit 110 may be implemented by changing the thickness or width of the heating unit 110, for example, when the thickness or width of the heating unit 110 is larger, the resistance value of the heating unit 110 is smaller. Moreover, the thermal field distribution of each region of the heater 10 can be realized by adjusting the density of the heating units 110, so that compared with the conventional heater 10 in which a heating film is attached to an insulating substrate, the accuracy requirement for the resistance value of a single heating unit 110 can be reduced, the process window for processing the heater 10 is increased, and the production yield is improved.
For manufacturing the heater 10 filled with the insulator 300, the heating unit 110 and the electrode body 200 may be first formed into a first blank body by powder compression molding, and then the first blank body is placed into a cavity of a mold, and the powder of the insulator 300 is added into the cavity and heated, so that the first blank body and the powder of the insulator 300 are connected by powder compression molding to form a second blank body. The second blank is finally sintered to form the finished heater 10.
For solid atomized media, it is often desirable to insert the heater 10 into the atomized media, and the heater 10 may include an insulator 300. Of course, in the case where the electrode body 200 and the heating unit 110 have sufficient rigidity, the provision of the insulator 300 may also be omitted. Meanwhile, the heating unit 110 has a solid structure, i.e., the heating unit 110 does not have a large number of micropores therein to form a small porosity. For an atomized medium in a liquid state, the heater 10 typically omits the provision of the insulator 300, as the heater 10 need not be interposed in an atomized medium in a liquid. Moreover, the heating unit 110 is a porous structure, that is, the heating unit 110 has a large number of micropores to form a large porosity, so that the heating unit 110 has good functions of transmitting and buffering the liquid atomizing medium, so that the heating unit 110 can effectively atomize the atomizing medium soaked thereon, and the heating unit 110 is prevented from generating dry burning due to a slow transmission speed of the atomizing medium to form a scorched smell.
In some embodiments, the heater 10 may be a flat sheet-like structure as shown in fig. 2, or may be a more square column-like structure as shown in fig. 4 and 5. The thickness of the heater 10 may be 0.3mm to 3mm, for example, the thickness may be 0.3mm, 1mm, or 3 mm.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A heater is characterized by comprising a heating body and two electrode bodies, wherein the two electrode bodies are arranged at intervals, the heating body comprises at least two heating units connected between the electrode bodies, and the at least two heating units are arranged at intervals along the length direction of the electrode bodies to form at least two parallel circuits through the electrodes.
2. The heater of claim 1, wherein each of the heating units has a front surface and a back surface spaced apart in a direction perpendicular to the length of the heater, the front and back surfaces each being flush with the surface of the electrode body, respectively.
3. The heater of claim 2, further comprising an insulator, wherein a gap is formed between the two electrode bodies and the at least two heating units, wherein at least a portion of the insulator fills the gap, and wherein the insulator is flush with the front surface and the back surface, respectively.
4. The heater according to claim 3, wherein the insulator includes a spike portion connected to an end of the electrode body, the spike portion having a fixed end connected to the electrode body and a free end remote from the electrode body, the spike portion having a cross-sectional dimension that decreases in a direction from the fixed end toward the free end.
5. The heater according to claim 1, wherein the heating body includes a tip heating unit connected between both end portions of the electrode body, the tip heating unit having a fixed end connected to the electrode body and a free end remote from the electrode body, the tip heating unit having a cross-sectional dimension that decreases in a direction from the fixed end toward the free end.
6. The heater according to claim 1, wherein the heating unit is integrally formed or welded with the electrode body.
7. The heater of claim 1, wherein the electrode body has a first end and a second end along a length thereof, the first end being adapted to be electrically connected to the electrical connector, and wherein the spacing distance between the heating elements adjacent the second end is less than the spacing distance between the heating elements adjacent the first end.
8. The heater of claim 1, wherein the heater is a sheet structure or a column structure, and the heater has a thickness of 0.3mm to 3 mm.
9. The heater of claim 1, wherein the heating unit is a porous structure or a solid structure.
10. An electronic atomisation device comprising a heater as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517063.XU CN215347053U (en) | 2021-03-11 | 2021-03-11 | Heater and electronic atomization device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120517063.XU CN215347053U (en) | 2021-03-11 | 2021-03-11 | Heater and electronic atomization device |
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| CN215347053U true CN215347053U (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045167A1 (en) * | 2022-09-02 | 2024-03-07 | 深圳麦克韦尔科技有限公司 | Atomizer and heat-not-burn device |
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2021
- 2021-03-11 CN CN202120517063.XU patent/CN215347053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045167A1 (en) * | 2022-09-02 | 2024-03-07 | 深圳麦克韦尔科技有限公司 | Atomizer and heat-not-burn device |
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