CN218773339U - Electron cigarette with temperature protect function - Google Patents
Electron cigarette with temperature protect function Download PDFInfo
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- CN218773339U CN218773339U CN202222507801.XU CN202222507801U CN218773339U CN 218773339 U CN218773339 U CN 218773339U CN 202222507801 U CN202222507801 U CN 202222507801U CN 218773339 U CN218773339 U CN 218773339U
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- cigarette
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- atomizer
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Abstract
The utility model discloses an electronic cigarette with temperature protection function, which comprises a cigarette rod and a cigarette cartridge, wherein the cigarette rod is connected with the cigarette cartridge; a battery and a control circuit board are arranged in the tobacco rod, and the control circuit board is electrically connected with the battery; the smoke cartridge comprises a smoke cartridge main body, a suction nozzle, a tobacco tar bin and an atomizer, wherein the suction nozzle is connected to the end part of the flue main body, and the atomizer and the tobacco tar bin are arranged in the flue main body; the flue duct is axially arranged in the smoke oil bin and extends to the top of the suction nozzle; tobacco tar is stored in the tobacco tar bin; the atomizer is arranged at the lower part of the tobacco tar bin; the atomizer is provided with a heating element; the heating element is electrically connected with the cigarette cartridge electrode; the smoke cartridge electrode is connected with a temperature protector, and the temperature protector is also connected with the smoke rod electrode; the tobacco rod electrode is electrically connected with the control circuit board. This electron cigarette installs temperature protector additional between cigarette bullet electrode and cigarette stem electrode, can realize the excess temperature protection, and the structure is simpler, need not additionally to increase the circuit, and the cost is lower, is favorable to popularizing and applying.
Description
Technical Field
The utility model relates to an electron cigarette technical field, in particular to electron cigarette with temperature protect function.
Background
An electronic cigarette is an electronic transmission system for generating aerosol for people to smoke and the like, and mainly comprises an atomizer, a battery, a control circuit and the like. Wherein the atomizer is used for atomizing tobacco tar through the heating element under the action of current to generate high temperature, and finally generating the similar smoke effect as the traditional cigarette.
The atomizer working chamber of the normally working electronic cigarette has a certain temperature, generally about 250 ℃, and cannot influence the normal work and users of the electronic cigarette. However, when the electronic cigarette is in some abnormal state, such as long-time heating or smoke exhaustion, the atomizer portion of the electronic cigarette may generate an abnormally high temperature, such as 350 ℃ which exceeds the national standard, which will seriously affect the normal use of the electronic cigarette and even cause damage to the user.
The existing electronic cigarette temperature protection technology is that a temperature sensor is additionally arranged at a heating part of an electronic cigarette atomizer, and a temperature protection circuit is added in a circuit to realize temperature protection when an electronic cigarette works abnormally; the technical scheme is complex, so that the cost is high, and the potential failure possibility exists due to the fact that the technical scheme is provided with more logic judgment functions.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, an object of the present invention is to provide an electronic cigarette with temperature protection function; this electron cigarette installs temperature protector additional between cigarette bullet electrode and cigarette stem electrode, can realize the excess temperature protection, and the structure is simpler, need not additionally to increase the circuit, and the cost is lower, is favorable to popularizing and applying.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
an electronic cigarette with a temperature protection function comprises a cigarette rod and a cigarette cartridge, wherein the cigarette rod is connected with the cigarette cartridge; a battery and a control circuit board are arranged in the tobacco rod, and the control circuit board is electrically connected with the battery; the cigarette bullet comprises a cigarette bullet main body, a suction nozzle, a tobacco tar bin and an atomizer, wherein the suction nozzle is connected to the end part of the cigarette bullet main body, and the atomizer and the tobacco tar bin are arranged in the cigarette bullet main body; the smoke bin is internally provided with an axially arranged smoke channel which extends to the top of the suction nozzle; the tobacco tar bin stores tobacco tar; the atomizer is arranged at the lower part of the tobacco tar bin; the atomizer is provided with a heating element; the heating element is electrically connected with the smoke cartridge electrode; the smoke cartridge electrode is connected with a temperature protector, and the temperature protector is connected with the smoke rod electrode; the tobacco rod electrode is electrically connected with the control circuit board.
Furthermore, the heating element is a heating wire.
Furthermore, the atomizer is a ceramic piece, and micropores for allowing smoke and oil to enter are formed in the ceramic piece.
Furthermore, the temperature protector comprises an upper electrode of the temperature protector, a positive temperature coefficient thermistor, a lower electrode of the temperature protector and a lower cover plate which are sequentially arranged from top to bottom.
Furthermore, the tobacco rod and the smoke cartridge are detachably connected.
Furthermore, the tobacco rod electrode is electrically connected with the control circuit board through a connecting wire, and the control circuit board is electrically connected with the battery through a connecting wire.
The utility model has the advantages that:
the electronic cigarette is additionally provided with the temperature protector between the cigarette cartridge electrode and the cigarette rod electrode, so that over-temperature protection can be realized; specifically, the temperature protector is connected in series in an original atomization circuit of the electronic cigarette, when the electronic cigarette works abnormally, for example, when a heating part of the atomizer has no tobacco tar, the generated abnormal high temperature can cause the ambient temperature to rise, and the temperature protector can sense the temperature change, so that the self resistance is changed, the resistance value of the working circuit of the electronic cigarette rapidly rises, the current is reduced, and finally the heating part of the atomizer cannot normally generate heat, thereby achieving the purpose of over-temperature protection; or the resistance measuring function in the electronic cigarette control circuit can be utilized to sense the change of the resistance in the atomization loop, and the power supply of the atomizer is cut off, so that the temperature protection function is realized.
Moreover, the electronic cigarette is simple in structural design, simple in working mode, low in cost and favorable for popularization and application, and circuits do not need to be additionally arranged.
Drawings
Fig. 1 is the utility model discloses the structure schematic diagram of electron cigarette with temperature protect function.
Fig. 2 is a schematic view of a combination structure of the temperature protector and the cartridge electrode in the electronic cigarette of the present invention.
Fig. 3 is a circuit diagram of the electronic cigarette with temperature protection function of the present invention.
Fig. 4 is a waveform diagram of the circuit current in the electronic cigarette of the present invention; wherein, (4 a) is a current waveform diagram in the circuit when the electronic cigarette normally works; (4b) Is a current waveform diagram in a circuit when the temperature protector starts to act when the electronic cigarette is dried; (4c) Is a current waveform diagram in the circuit when the temperature protector is completely operated when the electronic cigarette is dried and burned.
Detailed Description
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
A preferred embodiment of an electronic cigarette with temperature protection as shown in figures 1 to 3; the electronic cigarette comprises a cigarette rod 1 and a cigarette cartridge 2, wherein the cigarette rod 1 is connected with the cigarette cartridge 2 in a detachable mode (such as a thread mode); a battery 11 and a control circuit board 12 are arranged in the tobacco rod 1, and the control circuit board 12 is electrically connected with the battery 11 through a connecting wire; the cartridge 2 comprises a cartridge main body 21, a suction nozzle 22, a tobacco tar bin 23 and an atomizer 24, wherein the suction nozzle 22 is connected to the end part of the cartridge main body 21, and the end part of the suction nozzle 22 is provided with a suction hole; an atomizer 24 and a tobacco tar bin 23 are arranged in the cigarette bullet main body 21; an axially arranged flue 25 is arranged in the tobacco tar bin 23, and the flue 2 extends to the top of the suction nozzle 22; the tobacco tar bin 23 stores tobacco tar; the atomizer 24 is arranged at the lower part of the tobacco tar bin 23; the heating element 241 is arranged on the atomizer 24; the heating element 241 is electrically connected to the cartridge electrode 26; the smoke cartridge electrode 26 is connected with the temperature protector 3, and the temperature protector 3 is connected with the smoke rod electrode 13; the tobacco rod electrode 13 is electrically connected with the control circuit board 12 through a connecting lead.
In this embodiment, the atomizer 24 is a ceramic member, and the ceramic member is provided with micropores for allowing the smoke to enter; the heating element 241 is a heating wire; the heater wire is coiled around the atomizer 24.
The temperature protector 3 includes a temperature protector upper electrode 31, a positive temperature coefficient thermistor 32, a temperature protector lower electrode 33, and a lower cover plate 34, which are arranged in this order from top to bottom.
When the electronic cigarette normally works, the battery 11, the atomizer 24, the temperature protector 3 and the control circuit are connected to form a loop; after normal power on, the heating element 241 generates high temperature; when sufficient soot contacts the heating element 241, the heating element 241 atomizes the soot entering the atomizer 24 to form a mist, which is drawn out of the atomizer and then into the flue 25, and is sucked out of the suction nozzle by the user; certain heat is taken away by the smoke, and the surface temperature of the heating element is stable. During normal operation, the surface heat of the heating element 241 is conducted to the temperature protector 3 through the smoke cartridge electrode 26, the temperature of the smoke cartridge electrode does not reach the response lower limit of the temperature protector, the resistance value is normally 0.1-0.3 Ω, and the current in the operating circuit is kept normal, as shown in fig. 4 a.
When the tobacco tar is insufficient (the electronic cigarette is dry-burned), the heat generated by the heating element 241 cannot be taken away in time, so that the temperature of the heating element is continuously increased, the temperature of the joint of the smoke cartridge electrode 26 and the temperature protector 3 exceeds the normal working temperature, and finally exceeds the response lower limit of the temperature protector 3, the resistance value of the temperature protector 3 is increased, and the current in the working circuit starts to be reduced, as shown in a graph (4 b); after the continuous working for a period of time, the temperature exceeds the response upper limit of the temperature protector 3, the resistance value is rapidly increased, and the current of the working circuit is rapidly reduced and approaches to zero, as shown in a graph (4 c); the heating member 241 stops heating, and the temperature protector 3 realizes an over-temperature protection function. When the resistance value of the temperature protector is recovered to be normal, the electronic cigarette can work normally.
The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.
Claims (6)
1. The utility model provides an electron cigarette with temperature protect function which characterized in that: the cigarette holder comprises a cigarette holder and a cigarette cartridge, wherein the cigarette holder is connected with the cigarette cartridge; a battery and a control circuit board are arranged in the tobacco rod, and the control circuit board is electrically connected with the battery; the cigarette bullet comprises a cigarette bullet main body, a suction nozzle, a tobacco tar bin and an atomizer, wherein the suction nozzle is connected to the end part of the cigarette bullet main body, and the atomizer and the tobacco tar bin are arranged in the cigarette bullet main body; the smoke bin is internally provided with an axially arranged smoke channel which extends to the top of the suction nozzle; tobacco tar is stored in the tobacco tar bin; the atomizer is arranged at the lower part of the tobacco tar bin; the atomizer is provided with a heating element; the heating element is electrically connected with the smoke cartridge electrode; the smoke cartridge electrode is connected with a temperature protector, and the temperature protector is connected with the smoke rod electrode; the tobacco rod electrode is electrically connected with the control circuit board.
2. The electronic cigarette with the temperature protection function according to claim 1, wherein: the heating member is a heating wire.
3. The electronic cigarette with the temperature protection function according to claim 1, wherein: the atomizer is a ceramic piece, and micropores for allowing smoke and oil to enter are formed in the ceramic piece.
4. The electronic cigarette with the temperature protection function according to claim 1, wherein: the temperature protector comprises an upper electrode of the temperature protector, a positive temperature coefficient thermistor, a lower electrode of the temperature protector and a lower cover plate which are sequentially arranged from top to bottom.
5. The electronic cigarette with the temperature protection function according to claim 1, wherein: the tobacco rod is detachably connected with the tobacco cartridge.
6. The electronic cigarette with the temperature protection function according to claim 1, wherein: the tobacco rod electrode is electrically connected with the control circuit board through a connecting wire, and the control circuit board is electrically connected with the battery through a connecting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507801.XU CN218773339U (en) | 2022-09-22 | 2022-09-22 | Electron cigarette with temperature protect function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507801.XU CN218773339U (en) | 2022-09-22 | 2022-09-22 | Electron cigarette with temperature protect function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218773339U true CN218773339U (en) | 2023-03-31 |
Family
ID=85714120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222507801.XU Active CN218773339U (en) | 2022-09-22 | 2022-09-22 | Electron cigarette with temperature protect function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218773339U (en) |
-
2022
- 2022-09-22 CN CN202222507801.XU patent/CN218773339U/en active Active
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