CN210747227U

CN210747227U - Electron cigarette heating device

Info

Publication number: CN210747227U
Application number: CN201921310575.8U
Authority: CN
Inventors: 陈潮先; 黄富荣
Original assignee: Shenzhen Youme Network Technology Co Ltd
Current assignee: Shenzhen Youme Network Technology Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-16
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses an electronic cigarette heating device, which comprises a heating element and an insertion body, wherein the heating element comprises a connecting section and an insertion section, and the resistance of the insertion section is greater than that of the connecting section; the connecting section is connected with the inserting section, and one end of the heating element, which is far away from the connecting section, is inserted into the inserting body. The connecting section of the heating element has small resistance and less heat generation, so that on one hand, the circuit board connected with the heating element can be prevented from being damaged, and on the other hand, the electric energy can be saved; the insertion section has a high resistance and can rapidly heat the smoking article to produce smoke.

Description

Electron cigarette heating device

Technical Field

The utility model relates to an electron smoking set field, in particular to electron cigarette heating device.

Background

When the cigarette is burnt, harmful gases such as carbon monoxide and the like can be generated. Along with the development of science and technology, the non-combustion type electronic cigarette is heated, namely, a baking mode is adopted, so that the cigarette product emits smoke for people to suck. At present, the heating mode of the electronic cigarette is mainly as follows: the heating tube is wound with a heating wire for heating, the heating sheet is heated, and the heating element is heated. The heating pipe is wound with the heating wire for heating, has the advantages of realizing sectional heating and having the defect that the heating of the outer ring of the smoking article is better than the heating of the inner ring or the center; the heating of the heating sheet has the advantages that the center of the smoking product is well heated, and the defects that the smoking product cannot be heated in a sectional way and is not easy to prick into the smoking product; heating by the heating element has the advantage of being easily inserted into the smoking article and the disadvantage of being complicated to manufacture. The application number 201811233110.7 discloses a low-temperature non-combustible smoking set heating element and a processing and manufacturing method thereof, which discloses a scheme that two ends of a heating wire are connected with the positive and negative electrodes of a power supply, the heating wire is folded in half and then wrapped with an insulating layer, and then a cover body is covered to form a heating element. On the other hand, the insertion part of the heating needle and the connecting section generate heat, parts fixedly connected with the connecting section are easy to damage, and electric energy of a power supply is wasted.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides an electronic cigarette heating device, wherein the connecting section of the heating element has low resistance and generates less heat, so that on one hand, the circuit board connected with the heating element can be prevented from being damaged, and on the other hand, the electric energy can be saved; the insertion section has a high resistance and can rapidly heat the smoking article to produce smoke.

The utility model adopts the technical scheme as follows:

an electronic cigarette heating device is characterized by comprising a heating element and an insertion body, wherein the heating element comprises a connecting section and an insertion section, and the resistance of the insertion section is greater than that of the connecting section; the connecting section is connected with the inserting section, and one end of the heating element, which is far away from the connecting section, is inserted into the inserting body.

The connecting section of the heating element has small resistance and less heat generation, so that on one hand, the circuit board connected with the heating element can be prevented from being damaged, and on the other hand, the electric energy can be saved; the insertion section has a high resistance and can rapidly heat the smoking article to produce smoke.

Furthermore, the connecting section and the inserting section are integrally formed, and the cross section of the inserting section is smaller than that of the connecting section.

And the integrated heating is adopted, and the processing and the manufacturing are simple.

Furthermore, a transition section is arranged between the connecting section and the inserting section, and the transition section enables the inserting section to smoothly transit to the connecting section.

Furthermore, the transition section is in a shape of a circular truncated cone.

Furthermore, the plug-in body is provided with a plug-in port, and the plug-in port can elastically contract.

The size of the socket is variable, so that the problem that the use is influenced due to poor contact between the heating element and the socket body caused by machining errors of the heating element or the socket is avoided.

Furthermore, the side wall of the plug-in body is provided with a notch, and the notch is enlarged or reduced along with the insertion or extraction of the heating element into the plug-in port so as to enlarge or reduce the plug-in port.

Further, the notch is in a "U" shape or a "V" shape.

Furthermore, the plug body comprises a first elastic sheet and a second elastic sheet, and the plug interface is formed between the first elastic sheet and the second elastic sheet; the distance between the first elastic sheet and the second elastic sheet is increased or reduced along with the insertion or extraction of the heating element into or out of the insertion port.

Furthermore, the first elastic sheet and the second elastic sheet are made of copper or food-grade stainless steel.

Further, the heating element is a heating pin or a heating sheet.

To sum up, the beneficial effects of the utility model are that:

1. the connecting section of the heating element has small resistance and less heat generation, so that on one hand, the circuit board connected with the heating element can be prevented from being damaged, and on the other hand, the electric energy can be saved; the inserted section has large resistance, so that the tobacco product can be rapidly heated to generate smoke;

2. the interface can elastic shrinkage, avoids because heating element or interface cause heating element and socket because of machining error, and the contact is not good, influences the use.

Drawings

Figure 1 is an overall cross-sectional view of a single row heating element electronic cigarette;

FIG. 2 is a partial enlarged view A;

figure 3 is an overall cross-sectional view of a dual row heating element electronic cigarette;

FIG. 4 is a partial enlarged view B;

FIG. 5 is a schematic view of the interposer;

FIG. 6 is a schematic view of the heating element outside of the smoke chamber;

fig. 7 is a schematic view of the cover closing the air outlet and the air inlet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

An electronic cigarette comprises a shell assembly 1, a power supply assembly 2, a first conductive unit 3, a second conductive unit and a heating element 5, wherein a smoke cavity 7 is arranged in the shell assembly 1; the smoke chamber 7 can be directly formed by the housing assembly 1, or can be formed by other parts, here, the smoke chamber 7 is taken as an example of a smoke containing pipe 9, the housing assembly 1 is provided with an air inlet 8 and an air outlet 6, and the air inlet 8, the smoke chamber 7 and the air outlet 6 are communicated in sequence. The first conductive unit 3 is a circuit board, one end of the heating element 5 is welded on the circuit board, a through hole 14 for the heating element 5 to pass through is formed in the side wall of the smoke containing pipe 9, and the first conductive unit 3 and the second conductive unit are respectively arranged on two sides of the smoke containing pipe 9. When a smoking article needs to be placed into the smoke placing pipe 9, the heating element 5 is located outside the smoke cavity 7, and after the smoking article is placed in the smoke placing pipe 9, the heating element 5 is moved to enable the heating element 5 to penetrate through the smoking article and to be in contact with the second conductive unit, so that the heating element 5 is conducted with the power supply assembly 2 through the first conductive unit 3 and the second conductive unit. The two ends of the heating element 5 are electrically connected with the power supply through the first conductive unit 3 and the second conductive unit, and the two ends of the heating element 5 are electrically connected with the power supply without being folded or printed; and an insulating layer is not needed to be arranged on the heating element 5 so as to avoid short circuit of the heating element 5, and the manufacturing and processing of the whole heating element are simple.

The second conductive unit comprises a plurality of (positive integer) plug-in bodies 4, and the plug-in bodies 4 are connected in series in pairs; or the plug-in bodies 4 are connected in parallel (the second conductive unit can also be a conductor arranged on the smoke containing pipe 9, or the smoke containing pipe 9 is made of a conductor, and the smoke containing pipe 9 serves as the second conductive unit). The plug-in body 4 is provided with a plug-in port 401, and the heating element 5 is inserted into the plug-in body 4 and electrically connected with the power supply module 2. The socket 401 can elastically contract, when the heating element 5 is inserted into the socket 401, the heating element 5 can contact with the inner side wall of the plug-in body 4, so that the heating element 5 is effectively electrically connected with the plug-in body 4, and the problem that the heating element 5 is not in good contact with the plug-in body 4 due to the hole diameter machining error of the socket 401 or the machining error of the size of the heating element 5 is avoided, so that the heating element 5 is not in good contact with the power supply assembly 2. Two elastically contractible embodiments of the socket 401 are listed here, the first embodiment: a notch 402 is formed in the side wall of the plug-in body 4, the notch 402 is U-shaped or V-shaped, and when the heating element 5 is inserted, the size of the notch 402 is changed, so that the size of the plug-in port 401 is changed, and the heating element 5 and the plug-in body 4 are in good contact; the second scheme is as follows: the plug-in body 4 comprises a first elastic sheet 403 and a second elastic sheet 404, the plug-in port 401 is formed between the first elastic sheet 403 and the second elastic sheet 404, when the heating element 5 is not inserted into the plug-in port 401, the distance between the first elastic sheet 403 and the second elastic sheet 404 is smaller than the thickness of the heating element 5, when the heating element 5 is inserted, the first elastic sheet 403 and the second elastic sheet 404 are separated under the action of the force of the heating element 5, so that the heating element 5 is inserted into the plug-in port 401, and the first elastic sheet 403 and the second elastic sheet 404 are tightly attached to the heating element 5. The first elastic sheet 403 and the second elastic sheet 404 are made of copper or food-grade stainless steel.

The housing assembly 1 comprises a first housing 101 and a second housing 102, and the smoke chamber 7 and the second conductive unit are arranged in the first housing 101; the first conductive unit 3 and the power supply module 2 are arranged in the second shell 102; the relative sliding of the first housing 101 and the second housing 102 enables the contact or separation of the heating element 5 and the second conductive unit. By utilizing the sliding of the first shell 101 and the second shell 102, the heating element 5 can be inserted into the smoke cavity 7 or pulled out of the smoke cavity 7, a needle storage cavity is not needed, and the volume of the whole electronic cigarette is reduced. A push-pull locking mechanism 13 is arranged between the first shell 101 and the second shell 102, the push-pull locking mechanism 13 can be a push-pull electromagnet, when smoke needs to be added into the smoke containing pipe, the push-pull electromagnet is powered on, and the first shell 101 and the second shell 102 slide open under the thrust of the push-pull electromagnet; when the heating element 5 needs to be inserted into the smoke chamber, the push-pull electromagnet is de-energized, and the first shell 101 and the second shell 102 are locked under the pulling force of the push-pull electromagnet.

When the heating element 5 is in contact with the second conductive unit, the first shell 101 and the second shell 102 are not conducted to air flow, so that harmful gas generated by the circuit board and the power supply during heating can be prevented from entering the smoke cavity 7, and then being sucked by people. The gap between the first shell 101 and the smoke containing pipe 9 forms an air inlet passage 10, and the air inlet, the air inlet passage, the smoke cavity and the air outlet are communicated in sequence. The gap between the first shell 101 and the smoke containing pipe 9 is used as an air inlet passage 10, so that on one hand, the waste heat can be reduced to be transferred to the shell assembly 1, and the shell assembly 1 is prevented from heating; on the other hand, the air before entering the smoke cavity 7 can be preheated, so that when the air enters the smoke cavity 7, less heat can be absorbed to enable the smoking product to generate smoke, and energy is saved. The air inlet 8 and the air outlet 6 are arranged at the same end of the first shell 101, so that the air entering the air inlet channel 10 from the air inlet 8 can enter the smoke cavity 7 only after flowing for one circle around the smoke tube 9, and more heat in the air inlet channel 10 can be taken away. In order to avoid burning the mouth with smoke, the aperture of the through hole 14 on the side wall of the smoke containing pipe 9 is larger than the diameter of the heating element 5, so that a part of cold air can enter the cigarette gun from the through hole 14 to be mixed with the smoke, thereby reducing the temperature of the smoke and preventing the mouth from being burnt with smoke. The two ends of the smoke containing pipe 9 are respectively connected with the air inlet 8 and the air outlet 6, namely the bottom of the smoke containing pipe 9 is communicated, so that the air entering the smoke cavity 7 from the bottom is more than the air entering the smoke cavity 7 from the side wall through hole 14, and the problems that cold air in smoke is excessive, the taste of the smoke is too light, and the taste is influenced are avoided.

The electronic cigarette is further provided with a cover plate 11, and the cover plate 11 can move relative to the first shell to open or close the air inlet 8 and the air outlet 6; the movement of the cover plate 11 relative to the first housing may be sliding or rotating. The electronic cigarette is further provided with a reset mechanism, the reset mechanism comprises a spring, one end of the spring is fixed on the cover plate, the other end of the spring is fixed on the second shell, and when the electronic cigarette is not used, the cover plate is reset to the position where the air outlet and the air inlet are closed through the spring force of the reset mechanism.

The heating element is a heating needle or a heating sheet. The heating element 5 comprises a connecting section 501 and an inserting section 502, the resistance of the inserting section 502 is greater than that of the connecting section 501, one end of the connecting section 501 is fixed on the first conductive unit 3, the other end of the connecting section 501 is connected with one end of the inserting section 502, and the other end of the inserting section 502 is inserted into the inserting body 4. When the heating element 5 is inserted into the plug-in body 4, the portion between the first conductive unit 3 and the smoke containing pipe 9 is the connecting section 501 of the heating element 5, and the rest portion is the insertion section 502. The connecting section 501 has small resistance and less heat generation, so that on one hand, the connecting section 501 can be prevented from being overheated to damage the first conductive unit 3 fixedly connected with the connecting section; on the other hand, the connecting section 501 has a small resistance and generates less heat, so that the amount of heat in the intake passage 10 is small and the amount of heat transferred to the case assembly 1 and the power module 2 is small. The connecting section 501 and the inserting section 502 can be formed by splicing two sections or integrally formed; the connecting section 501 and the inserting section 502 may be made of the same material or different materials. If the connecting section 501 and the insertion section 502 are made of the same material, the cross section of the insertion section 502 is smaller than the cross section of the connecting section 501. Because of the same material resistance, the resistance size and cross section are inversely proportional.

A transition section 503 is further arranged between the connecting section 501 and the inserting section 502, the transition section 503 enables the inserting section 502 to smoothly transition to the connecting section 501, and the transition section 503 is in a circular truncated cone shape.

The using method comprises the following steps: when cigarettes are loaded into the cigarette cavity 7, the first shell 101 and the second shell 102 slide open under the pushing force of the push-pull type electromagnet, the heating element 5 is pulled out of the cigarette cavity 7, then the cigarettes are loaded into the cigarette cavity 7, after the cigarettes are loaded, the first shell 101 and the second shell 102 move oppositely under the pulling force of the push-pull type electromagnet until the heating element 5 is inserted into the plug-in body 4, then the heating element 5 generates heat, the heating element 5 can be one row, two rows or multiple rows, and the detailed description is made on one row and two rows, when the heating element 5 is one row, the heating elements 5 can be connected in parallel with each other or connected in series with each other, and segmented heating or integral heating of the cigarettes can be realized according to needs. When the heating elements 5 are in two rows, the heating elements 5 in the same row may be connected in series or in parallel with each other. After smoking, the first shell 101 and the second shell 102 slide open under the pushing force of the push-pull electromagnet, so that the heating element 5 is pulled out of the smoking article, the smoking article is taken out of the smoking cavity 7, then the first shell 101 and the second shell 102 move towards each other under the pulling force of the push-pull electromagnet, the first shell 101 and the second shell 102 are locked, and the resetting mechanism 12 pushes the cover plate 11 to seal the air outlet 6 and the air inlet 8.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An electronic cigarette heating device is characterized by comprising a heating element and an insertion body, wherein the heating element comprises a connecting section and an insertion section, and the resistance of the insertion section is greater than that of the connecting section; the connecting section is connected with the inserting section, and one end of the heating element, which is far away from the connecting section, is inserted into the inserting body.

2. The electronic cigarette heating apparatus of claim 1, wherein the connecting section and the insertion section are integrally formed, and the cross-section of the insertion section is smaller than the cross-section of the connecting section.

3. The electronic cigarette heating device of claim 2, wherein a transition section is further provided between the connecting section and the insertion section, wherein the transition section causes the insertion section to smoothly transition to the connecting section.

4. The electronic cigarette heating apparatus of claim 3, wherein the transition section is in the shape of a truncated cone.

5. The heating device of claim 1, 2, 3 or 4, wherein the plug body is provided with a socket, and the socket is elastically contractible.

6. The electronic cigarette heating device of claim 5, wherein the side wall of the plug body is provided with a notch, and the notch is enlarged or reduced as the heating element is inserted into or pulled out of the plug port, so as to enlarge or reduce the plug port.

7. The electronic cigarette heating device of claim 6, wherein the notch is "U" shaped or "V" shaped.

8. The heating device of claim 5, wherein the insertion body comprises a first resilient piece and a second resilient piece, and the insertion opening is formed between the first resilient piece and the second resilient piece; the distance between the first elastic sheet and the second elastic sheet is increased or reduced along with the insertion or extraction of the heating element into or out of the insertion port.

9. The electronic cigarette heating device of claim 8, wherein the first resilient tab and the second resilient tab are made of copper or food grade stainless steel.

10. The electronic cigarette heating device of claim 9, wherein the heating element is a heater pin or a heater chip.