WO2022166759A1 - Heating element, atomizer and electronic cigarette - Google Patents

Abstract

A heating element, an atomizer and an electronic cigarette. The heating element comprises a heating main body (1) for generating heat, and a first conductive wire (2) and a second conductive wire (3) for conducting electricity; the heating main body (1) comprises a first end (11) and a second end (12) oppositely arranged, the first conductive wire (2) being connected to the first end (11), the second conductive wire (3) being connected to the second end (12), and the heating main body (1) has a hollow channel (4) extending from the first end (11) to the second end (12); the first conductive wire (2) extends from the first end (11) in a direction away from the heating main body (1); the second conductive wire (3) is bent into the hollow channel (4) from the second end (12), passes through the hollow channel (4), and then extends in a direction away from the heating main body (1), the part of the second conductive wire (3) passing through the hollow channel (4) is spaced apart from the heating main body (1); the second conductive wire (3) passes through the hollow channel (4) of the heating main body (1) and is spaced apart from the heating main body (1), such that when assembling into the atomizer, the second conductive wire (3) does not need to be operationally isolated, and the first conductive wire (2) and the second conductive wire (3) will not be short-circuited either, thereby facilitating assembly and increasing production efficiency, and reducing labor costs.

Description

Heating elements, atomizers and electronic cigarettes technical field

The invention relates to the technical field of electronic cigarettes, in particular to a heating element, an atomizer and an electronic cigarette.

Background technique

At present, the conductive wires of the heating element of the conventional atomizer are welded to the two ends of the heating element respectively. One conductive wire extends directly downward from the lower end of the heating body, and the other conductive wire extends downward from the upper end of the heating body on the outer circumference of the heating body. In the production and assembly process, when it is necessary to wrap the oil-absorbing cotton on the periphery of the heating element, it is necessary to separate another conductive wire from the heating body before wrapping the oil-absorbing cotton on the outer periphery of the heating body, which affects production efficiency, increases labor costs, and It is easy to cause short circuit problems when the assembly is not standardized.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a heating element, an atomizer and an electronic cigarette, which are used to solve the problems of low production efficiency, high labor cost and easy short circuit during the assembly process of the heating element.

The technical solutions adopted by the present invention to solve the above-mentioned technical problems are as follows: on the one hand, a heating element is provided, comprising a heating main body for heating and a first conductive wire and a second conductive wire for conducting electricity, and the heating main body includes relatively arranged the first end and the second end, the first conductive wire is connected to the first end, the second conductive wire is connected to the second end; the heating body has a line extending from the first end to a hollow channel at the second end; the first conductive wire extends from the first end in a direction away from the heating body; the second conductive wire is bent from the second end and penetrates into the hollow channel The part of the second conductive wire which penetrates through the hollow channel and the heating body is spaced apart from the heat-generating body.

As an embodiment, the heating main body is a helical heating wire, and a hollow area in the helical heating wire forms the hollow channel.

As an embodiment, the heating wire includes at least one helical coil.

As an embodiment, the portion of the second conductive wire that penetrates the hollow channel extends along the axial direction of the hollow channel.

As an embodiment, the part of the second conductive wire that passes through the hollow channel coincides with the central axis of the hollow channel.

As an embodiment, the second conductive wire passes through the hollow channel and then bends along the radial direction of the hollow channel and away from the first conductive wire, and then bends along the axial direction of the hollow channel extending in a direction away from the heat generating body.

As an embodiment, the first conductive wire extends in a direction away from the heating body along the axial direction of the hollow channel.

As an embodiment, the part of the second conductive wire that is provided outside the hollow channel and extends along the axial direction of the hollow channel and the first conductive wire are located opposite to the hollow channel in the radial direction, respectively. sides.

As an embodiment, the outer periphery of the heating main body is covered with an oil absorbing member.

As an embodiment, the heating body has a first resistance value, the first conductive wire has a second resistance value, the second conductive wire has a third resistance value, and the first resistance value is smaller than the first resistance value. two resistance values and the third resistance value.

As an embodiment, the heating body is made of iron-chromium alloy metal material; and/or,

Both the first conductive wire and the second conductive wire are made of stainless steel.

As an embodiment, the first conductive wire and the second conductive wire are respectively connected to the heating element by one of welding connection, riveting connection, winding connection, adhesive connection, contact connection or integral molding. on the subject.

A second aspect of the present invention provides an atomizer, comprising the above heating element.

A third aspect of the present invention provides an electronic cigarette, including the above-mentioned atomizer and a battery core assembly for supplying power to the above-mentioned atomizer.

The heating element, atomizer and electronic cigarette of the present invention have the following beneficial effects: the present invention passes the second conductive wire through the hollow passage of the heating body and is spaced from the heating body, and when assembled into the atomizer, There is no need to separate the second conductive wire for additional operations, and the conductive wire will not be short-circuited, which facilitates assembly, improves production efficiency, and reduces labor costs; and the first conductive wire and the second conductive wire extend from the same end of the heating body, furthermore to aid in assembly.

Description of drawings

The present invention will be described in detail below with reference to the accompanying drawings, so as to make the above advantages of the present invention more clear. in,

FIG. 1 is a schematic structural diagram of a heating element of the present invention.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects. It should be noted that, as long as there is no conflict, each embodiment of the present invention and each feature of each embodiment can be combined with each other, and the formed technical solutions all fall within the protection scope of the present invention.

It should be noted that a large number of technical features are recorded in the description of this application, which are distributed in various technical solutions. If we want to list all possible combinations of technical features of this application (that is, technical solutions), the description will be too long. . In order to avoid this problem, the technical features disclosed in the above-mentioned summary of the present application, the technical features disclosed in the various embodiments and examples below, and the technical features disclosed in the accompanying drawings can be freely combined with each other to form Various new technical solutions (these technical solutions are deemed to have been recorded in this specification), unless the combination of such technical features is technically infeasible. For example, in one example, features A+B+C are disclosed, and in another example, features A+B+D+E are disclosed, and features C and D are equivalent technical means that serve the same function. It can be used as soon as it is used, it is impossible to use it at the same time, and feature E can technically be combined with feature C, then the solution of A+B+C+D should not be regarded as recorded because it is technically infeasible, and A+B+C +E schemes should be considered documented.

As shown in FIG. 1 , the heating element includes a heating body 1 for heating and a first conducting wire 2 and a second conducting wire 3 for conducting electricity, and the heating body 1 includes a first end 11 and a second end 12 arranged oppositely, The first conductive wire 2 is connected to the first end 11, the second conductive wire 3 is connected to the second end 12, the heating body 1 has a hollow channel 4 extending from the first end 11 to the second end 12, and the first conductive wire 2 extends from the first end 11 to the second end 12. The first end 11 extends in a direction away from the heating body 1, the second conductive wire 3 is bent from the second end 12 and penetrates into the hollow channel 4 and passes through the hollow channel 4, and then extends away from the heating body 1, and the second conductive wire 3 extends away from the heating body 1. The portion of the conductive wire 3 that passes through the hollow channel 4 is spaced apart from the heating body 1 . The heating body 1 includes, but is not limited to, a helical heating wire, a hollow cylindrical heating net, a hollow cylindrical hollow structure, and the like. Through this design, when assembling the atomizer, there is no need to isolate the second conductive wire separately, and the heating body 1 can be directly covered with cotton. The second conductive wire 3 is passed through the hollow channel 4 and is connected to the heating body 1. The second conductive wire 3 is arranged at intervals, so that the second conductive wire 3 will not be short-circuited, which is convenient for assembly, improves production efficiency, and reduces labor costs, and the first conductive wire 2 and the second conductive wire 3 protrude from the same end of the heating body 1, which further helps Assemble. It should be noted that the hollow channel is used as a channel for airflow, and the smoke generated after the e-liquid is heated by the heating element flows out through the hollow channel.

In some embodiments, the outer periphery of the heating body 1 is covered with an oil absorbing member. Wherein, the oil absorbing member is used to guide the e-liquid to the heating body 1 . The oil absorbing member includes but is not limited to porous materials such as cotton and fibers.

In some embodiments, the heating body 1 is made of a helical heating wire, and a hollow area in the helical heating wire forms the hollow channel 4 . Among them, the spiral heating wire can be directly connected with the first conductive wire 2 and the second conductive wire 3 directly from both ends, which is convenient for accurately aligning the connection position, and also convenient for extending the first conductive wire 2 and the second conductive wire 3, Improve production efficiency and reduce error rates.

In some embodiments, the heating wire includes at least one turn of the helical coil 101 . The number of the helical coils 101 is preferably multiple turns.

In some embodiments, the portion of the second conductive wire 3 passing through the hollow channel 4 extends along the axial direction of the hollow channel 4 . It can be understood that, in other embodiments, the part of the second conductive wire 3 passing through the hollow channel 4 may not extend along the axial direction of the hollow channel 4 .

In some embodiments, the portion of the second conductive wire 3 passing through the hollow channel 4 coincides with the central axis of the hollow channel 4 . Through this arrangement, the distance between the part of the second conductive wire 3 pierced through the hollow channel 4 and the heating body 1 is maximized, and short circuit can be avoided more effectively.

In some embodiments, after passing through the hollow channel 4, the second conductive wire 3 is bent along the radial direction of the hollow channel 4 and away from the first conductive wire 2, and then is bent along the axial direction of the hollow channel 4 away from the heat generation The direction of the main body 1 extends. 1 , the second conductive wire 3 passes through the hollow channel 4 and then bends along the radial direction of the hollow channel 4 to form a bent portion 301 , and then extends in the axial direction. That is, the second conductive wire 3 passes through the hollow channel 4 and then extends in the lateral direction shown in Fig. 1 and then extends downward. The part of the second conductive wire 3 passing through the hollow channel 4 is separated from the first conductive wire 2 as far as possible to avoid short circuit.

In some embodiments, the first conductive wire 2 extends in a direction away from the heating body 1 along the axial direction of the hollow channel 4 . It can be understood that, in other embodiments, it is also possible that the first conductive wire 2 does not extend in a direction away from the heating body 1 along the axial direction of the hollow channel 4 .

In some embodiments, the portion of the second conductive wire 3 disposed outside the hollow channel 4 and extending along the axial direction of the hollow channel 4 and the first conductive wire 2 are parallel to each other, and are respectively located in the hollow channel 4 On opposite sides in the radial direction. In order to keep the first conductive line 2 and the second conductive line 3 apart at the maximum distance without affecting the cotton wrapping, the flatness of the cotton wrapping is ensured. In addition, the first conductive wire 2 and the second conductive wire 3 both extend axially, the standard is unified, and the production is convenient.

In some embodiments, the heating body 1 is made of a conductive metal with a first resistance value, the first conductive wire is made of a conductive metal with a second resistance value, and the second conductive wire is Made of a conductive metal having a third resistance value, the first resistance value being smaller than the second resistance value and the third resistance value. Wherein, the second resistance value may be the same or different, but the first resistance value is smaller than the second resistance value and the third resistance value, and the first conductive wire 2 and the second conductive wire 3 are not connected while increasing the power of the heating body 1 fever. The conductive metal is made of one of gold, silver, copper, iron, chromium, nickel metal material or iron-nickel alloy, or iron-chromium alloy metal material. Preferably, the heating body 1 is made of an iron-chromium alloy metal material, which has high hardness and is not easily deformed, is resistant to corrosion, is not easily oxidized at high temperature, and has a good heating effect. The first conductive wire 2 and the second conductive wire 3 are made of stainless steel, which is low in cost, not easy to corrode, has a large deformation coefficient, and is not easy to break.

In some embodiments, the first conductive wire 2 and the second conductive wire 3 are respectively connected to each other by one of welding connection, riveting connection, winding connection, adhesive connection, contact connection or integral molding. on the heating body 1.

Specifically, taking the preferred embodiment as an example, the heating element includes a heating body 1 for heating, the heating body 1 is composed of at least one helical heating wire, and the heating body 1 is connected with at least one first for conducting electricity. A conductive wire 2 and a second conductive wire 3 are provided, and the first conductive wire 2 extends below one end of the heating body 1 , and the second conductive wire 3 penetrates the heating body 1 and also extends below one end of the heating body 1 . By inserting the second conductive wire 3 through the heating body 1 and extending below one end of the heating body 1, when assembling with the atomizer, there is no need to isolate the conductive wire, and the conductive wire will not be short-circuited, which facilitates assembly and improves production efficiency , reduce labor costs.

The number of turns of the helical coil 101 of the heating wire includes at least one turn.

The first conductive wire 2 is connected to one end or any position of the heating main body 1 by one of welding connection, riveting connection, winding connection, pasting connection, contact connection or integral molding, and the first conductive wire 2 is vertical. It extends to below one end of the heating body 1 . Preferably, the welding connection method is used to connect with the heating main body 1 , the connection is firm and there will be no disconnection, and the operation method is convenient. The second conductive wire 3 is connected to the other end or any position of the heating body 1 by one of welding connection, riveting connection, winding connection, adhesive connection, contact connection or integral molding, and the second conductive wire 3 It vertically penetrates the inside of the heating body 1 and extends to below one end of the heating body 1 . In this embodiment, it is preferable that a welding connection method is also used to connect with the heating main body 1 , the connection is firm and no circuit breakage occurs, and the operation method is convenient.

A bent portion 301 is formed in the portion below one end of the second conductive wire 3 extending to one end of the heating body 1 . It should be noted that, by designing the bent portion 301 , the distance between the first conductive wire 2 and the second conductive wire 3 can be made farther, and short circuit is less likely to occur during the assembly process.

The first conductive wire 2 and the second conductive wire 3 extend to the lower part of one end of the heating body 1 and are parallel to each other and have the same or different lengths.

The following describes in detail through preferred specific embodiments. As shown in FIG. 1 , the heating element in this embodiment includes a heating body 1, a first conductive wire 2, and a second conductive wire 3. The heating element is used in atomizers and electronic cigarettes, and the electronic cigarette may also include a battery core assembly. The battery core assembly includes a battery, wherein the battery has a first electrode and a second electrode, and the first conductive wire 2 and the second conductive wire 3 are respectively used to correspond to the first electrode and the second electrode to realize electricity. The heating main body 1 is composed of a helical coil 101 formed by superimposing iron-chromium alloy metal wires in the vertical direction. It can be used in the atomizer to generate heat to heat the e-liquid. The first conductive wire 2 is welded to the bottom end of the helical coil 101. And it extends vertically to the bottom of the heating body 1 for contacting the negative electrode of the battery for conduction. The second conductive wire 3 is welded to the top of the heating body 1 and runs through the inner center of the heating body 1 and extends to the bottom of the heating body 1 for contact. The positive electrode of the battery is conductive, and the part of the second conductive wire 3 located under the bottom of the coil 101 is formed with a bent part, and the bent part is used to expand the distance between the first conductive wire 2 and the second conductive wire 3. The use and assembly process In the process of use, electricity will pass from the first conductive wire 2 and the second conductive wire 3 and conduct to both ends of the heating body 1 to form a closed loop and then self-heat. The heating body is also covered with oil-absorbing cotton.

Another aspect of the present invention further provides an atomizer, comprising an oil storage device and the above heating element, the oil storage device has an oil storage cavity, and the e-liquid in the oil storage cavity can enter the heating element, for example, an inlet is provided. Oil hole, the e-liquid in the oil storage chamber enters the heating element from the oil inlet hole.

Another aspect of the present invention further provides an electronic cigarette, including the above atomizer and a battery cell assembly for supplying power to the atomizer, and the battery cell assembly includes a battery.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (14)

A heating element includes a heating main body for heating and a first conductive wire and a second conductive wire for conducting electricity, the heating main body includes a first end and a second end arranged oppositely, and the first conductive wire is connected At the first end, the second conductive wire is connected to the second end, and it is characterized in that the heating body has a hollow channel extending from the first end to the second end; the first end The conductive wire extends from the first end in a direction away from the heating main body; the second conductive wire is bent from the second end and penetrates into the hollow channel and then goes away from the hollow channel. The direction of the heating main body extends, and the part of the second conductive wire passing through the hollow channel is spaced from the heating main body. The heating element according to claim 1, wherein the heating body is a helical heating wire, and a hollow area in the helical heating wire forms the hollow channel. The heating element according to claim 2, wherein the heating wire comprises at least one helical coil. The heating element according to claim 1, wherein the part of the second conductive wire that penetrates the hollow channel extends along the axial direction of the hollow channel. The heating element according to claim 4, characterized in that, the part of the second conductive wire passing through the hollow channel coincides with the central axis of the hollow channel. The heating element according to claim 1, wherein the second conductive wire is bent along the radial direction of the hollow channel and away from the first conductive wire after passing through the hollow channel. The hollow channel extends in a direction away from the heat generating body along the axial direction of the hollow channel. The heating element according to claim 6, wherein the first conductive wire extends in a direction away from the heating body along the axial direction of the hollow channel. The heating element according to claim 7, wherein the part of the second conductive wire that is provided outside the hollow channel and extends along the axial direction of the hollow channel and the first conductive wire are respectively located at the The hollow passages are located on opposite sides in the radial direction. The heating element according to any one of claims 1-8, wherein the outer periphery of the heating main body is covered with an oil absorbing member. The heating element according to any one of claims 1-8, wherein the heating body has a first resistance value, the first conductive wire has a second resistance value, and the second conductive wire has a third resistance value A resistance value, the first resistance value is smaller than the second resistance value and the third resistance value. The heating element according to claim 10, wherein the heating body is made of iron-chromium alloy metal material; and/or, Both the first conductive wire and the second conductive wire are made of stainless steel. The heating element according to any one of claims 1-8, wherein the first conductive wire and the second conductive wire are respectively connected by welding, riveting, winding, pasting, contacting or integrating One of the connection methods in the molding is connected to the heating body. An atomizer, characterized in that it comprises the heating element according to any one of claims 1-12. An electronic cigarette, characterized by comprising the atomizer according to claim 13 and a battery core assembly for supplying power to the atomizer.

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