CN204070534U - Electronic cigarette - Google Patents
Electronic cigarette Download PDFInfo
- Publication number
- CN204070534U CN204070534U CN201420351312.2U CN201420351312U CN204070534U CN 204070534 U CN204070534 U CN 204070534U CN 201420351312 U CN201420351312 U CN 201420351312U CN 204070534 U CN204070534 U CN 204070534U
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- Prior art keywords
- module
- electronic cigarette
- detecting
- circuit
- smoking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 230000000391 smoking effect Effects 0.000 claims description 42
- 230000009471 action Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model provides a kind of electronic cigarette, comprises control chip, and this control chip comprises driver module, for output current to drive electronic cigarette work; Open circuit detection module, electrical connection driver module, for sampling to electric current and detecting, when detecting that sample rate current is less than internal reference electric current, sends open circuit enable signal; Short-circuit detecting module, electrical connection driver module, for sampling to electric current and detecting, when detecting that sample rate current is greater than internal reference electric current, sends short circuit enable signal; And control module, electrical connection driver module, for receiving open circuit enable signal and short circuit enable signal, and sends shutdown signal to driver module.Electronic cigarette of the present utility model has open circuit, breakage detection function, and simplicity of design, be convenient to assembling.
Description
Technical field
The utility model relates to a kind of electronic product, particularly relates to a kind of electronic cigarette.
Background technology
Electronic cigarette is a kind of by powered battery, and whether the motion determination being detected air-flow by inner detection module is in smoking state, and operates heater strip, realizes the electronic equipment of smoking effect.Conveniently user uses, and electronic cigarette has profile and the similar smoke pipe of common cigarette usually, and battery, metal sleeve, control chip, heater strip, wire and tobacco tar is assembled in the inside of smoke pipe.
Traditional electronic cigarette, in the process of producing, is generally directly be welded on control circuit board by control chip, is then pushed away by control chip in the metal sleeve of embedding electronic cigarette, completes the assembling of electronic cigarette.In this assembling process, drive end and the sleeve of control chip are very easily short-circuited, and cause chip to generate heat instantaneously, even cause chip to burn.Meanwhile, owing to being linked together by the mode of welding or riveting between heater strip and wire, the mode of this direct connection is stable not, easily open circuit occurs.But, also can realize open circuit detection and short-circuit detecting without any a kind of control chip of electronic cigarette at present simultaneously, and open-circuit-protection and short-circuit protection are carried out to electronic cigarette.
Utility model content
Based on this, being necessary can not carry out opening a way for traditional electronic cigarette simultaneously detects and the problem of open circuit detection and open-circuit-protection and short-circuit protection, provides one to have open circuit and detects and breakage detection function, and simplicity of design, is convenient to the electronic cigarette of assembling.
A kind of electronic cigarette, comprise control chip, this control chip comprises:
Driver module, for output current to drive electronic cigarette work;
Open circuit detection module, electrical connection driver module, for sampling to electric current and detecting, when detecting that sample rate current is less than internal reference electric current, sends open circuit enable signal;
Short-circuit detecting module, electrical connection driver module, for sampling to electric current and detecting, when detecting that sample rate current is greater than internal reference electric current, sends short circuit enable signal; And
Control module, electrical connection driver module, for receiving open circuit enable signal and short circuit enable signal, and sends shutdown signal to driver module.
Wherein in an embodiment, open circuit detection module is provided with open-circuit-protection unit, and short-circuit detecting module is provided with short-circuit protection unit.
Wherein in an embodiment, driver module is provided with over-current protecting unit.
Wherein in an embodiment, control module is provided with under-voltage protection unit.
Wherein in an embodiment, control chip also comprises the smoking detection module of electrical connection control module, for detecting the smoking action of user, sends the smoking flag bit starting electronic cigarette when smoking action being detected to described control module.
Wherein in an embodiment, control chip also comprises the charging module of electrical connection control module, and the output port of this charging module and charging input end mouth are multiplexing port, and this multiplexing port is used for charging and discharging.
Wherein in an embodiment, control chip also comprises the display module of electrical connection control module, this display module is used for showing normal smoking state respectively, electricity is not enough state, open circuit short-circuit condition and closed condition.
Wherein in an embodiment, electronic cigarette also comprises the airflow sensor connecting smoking detection module, the heater strip connecting driver module, connects the indicator lamp of display module and connect the power supply of charging module.
Wherein in an embodiment, smoking detection module several different capacitance change thresholds predeterminable.
Wherein in an embodiment, smoking detection module is provided with four capacitance change thresholds that value is 3%, 6%, 9% and 12%.
Above-mentioned electronic cigarette utilizes open circuit detection module and short-circuit detecting module to sample to electric current, can detect and short-circuit detecting by realizing circuit open circuit simultaneously, and carry out open-circuit-protection and short-circuit protection to electronic cigarette, and simplicity of design, is convenient to assembling.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electronic cigarette;
Fig. 2 is the functional block diagram of the utility model electronic cigarette;
Fig. 3 is the structural representation of the control chip of the utility model electronic cigarette.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the utility model electronic cigarette comprises control chip 10, is positioned at electronic cigarette one end and the airflow sensor 20 of the indicator lamp 50 of connection control chip 10, adjacent indicator lamp 50, the power supply 40 of electrical connection control chip 10 and the heater strip 30 near power supply 40.Wherein, control chip 10 comprises control module 100, smoking detection module 200, driver module 300, charging module 400, display module 500.Concrete, airflow sensor 20 connects smoking detection module 200, for sensing the change of air-flow; Heater strip 30 connects driver module 300, for heating tobacco juice with smoking-simulating state; The positive pole of power supply 40 connects charging module 400, for powering for electronic cigarette; Indicator lamp 50 connects display module 500, for showing the state of electronic cigarette.
Control module 100 is provided with under-voltage protection unit, and driver module 300 is provided with over-current protecting unit.
Smoking detection module 200 is electrically connected control module 100, for detecting the smoking action of user, sending to control module 100 when smoking action being detected and start the smoking flag bit State1 of electronic cigarette, can also send to control module 100 the standby flag bit State0 closing electronic cigarette when smoking action not detected for a long time.When normal smoking, smoking detection module 200, according to the capacitance variations of airflow sensor 20, judges whether to be in smoking state.If so, then smoking flag bit State1 is sent into control module 100, otherwise standby flag bit State0 is sent into control module 100.
Driver module 300 is electrically connected control module 100, and under the control of control module 100, output current heats to drive heating wire 30.
Control chip 10 also comprises the open circuit detection module 600 of electrical connection driver module 300 and the short-circuit detecting module 700 of same electrical connection driver module 300, and open circuit detection module 600 is in parallel with short-circuit detecting module 700.Open circuit detection module 600 is provided with open-circuit-protection unit, and short-circuit detecting module 700 is provided with short-circuit protection unit.
Open circuit detection module 600 is electrically connected driver module 300, samples for the electric current exported driver module 300 and detects.Open circuit detection module 600 is provided with current comparator, and when sample rate current is less than internal reference electric current, testing result is open circuit, and open circuit detection module 600 sends open circuit enable signal OP.
Short-circuit detecting module 700 is electrically connected driver module 300, samples for the electric current exported driver module 300 and detects.Short-circuit detecting module 700 is provided with current comparator, and when sample rate current is greater than internal reference electric current, testing result is short circuit, and short-circuit detecting module 700 sends short circuit enable signal SCP.
Concrete, control module 100 controls driver module 300 accordingly according to the smoking flag bit State1 of smoking detection module 200 and standby flag bit State0.When control module 100 receives the smoking flag bit State1 that smoking detection module 200 sends, and when power supply 40 voltage is normal, control module 100 controls driver module 300 to heating wire 30 output current; When control module 100 receives standby flag bit State0 that smoking detection module 200 sends or the open circuit enable signal OP that open circuit detection module 600 is sent or the short circuit enable signal SCP that short-circuit detecting module 700 is sent, or during power supply 40 undertension, control module 100 sends shutdown signal to driver module 300, closes driver module 300.
The advantage of the current sample that driver module 300 exports is, open circuit or short-circuit condition can be in by the abnormality detection of electric current to circuit, and testing result is accurate.If to voltage sample, due to detect voltage and operating supply voltage in close relations, so when supply voltage changes, testing result has larger deviation.
Charging module 400 is electrically connected control module 100, and the output port of charging module 400 and charging input end mouth are multiplexing port, and this multiplexing port is used for charging and discharging.Charging module 400 is provided with constant current mechanism and constant voltage mechanism, can carry out safe charging.
Display module 500 is electrically connected control module 100, shows normal smoking state, electricity deficiency state, open circuit short-circuit condition and closed condition respectively for making indicator lamp 50.
Concrete, when control module 100 receives the smoking flag bit State1 that smoking detection module 200 sends, and when power supply 40 voltage is normal, control module 100 controls display module 500 and shows normal smoking state; When power supply 40 undertension, the under-voltage protection unit in control module 100 sends electricity shortage signal to display module 500, and display module 500 shows the not enough state of electricity; When control module 100 receives the short circuit enable signal SCP that the open circuit open circuit enable signal OP that sends of detection module 600 or short-circuit detecting module 700 send, control module 100 sends open circuit display or short circuit display to display module 500, and display module 500 shows open circuit short-circuit condition; When control module 100 receives the standby flag bit State0 that smoking detection module 200 sends, control module 100 controls display module 500 and shows closed condition.
For different airflow sensor, smoking detection module 200 several different capacitance change thresholds predeterminable.In one embodiment, smoking detection module 200 is provided with four capacitance change thresholds that value is respectively 3%, 6%, 9% and 12%.
In one embodiment, control chip 10 adopts SOT23-5 to encapsulate, and is included by modules.As shown in Figure 2 and Figure 3, control chip 10 comprises the power end VDD connecting power supply 40 positive pole, the earth terminal VSS connecting earth point GND, connects the output terminals A T of heater strip 30, connects the display end LED of indicator lamp 50 and connect the input SW of airflow sensor.Consider the miniaturization of control chip 10, in order to not increase pin number, using output terminals A T simultaneously as test side.
The electric current that electronic cigarette of the present utility model utilizes open circuit detection module 600 and short-circuit detecting module 700 pairs of driver modules 300 to export is sampled and detects; the defencive function to control chip 10 is realized by open-circuit-protection unit and short-circuit protection unit; and; indicator lamp 50 can know the not enough state of the normal smoking state of display, electricity, the state that open circuit short-circuit condition and closed condition etc. is different, improves the dependability of electronic cigarette.In addition, the utility model electronic cigarette simplicity of design, be convenient to assembling.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an electronic cigarette, comprises control chip, it is characterized in that, described control chip comprises:
Driver module, for output current to drive described electronic cigarette work;
Open circuit detection module, being electrically connected described driver module, for sampling to described electric current and detecting, when detecting that sample rate current is less than internal reference electric current, sending open circuit enable signal;
Short-circuit detecting module, is electrically connected described driver module, for sampling to described electric current and detecting, when detecting that sample rate current is greater than internal reference electric current, sends short circuit enable signal; And
Control module, is electrically connected described driver module, for receiving described open circuit enable signal and described short circuit enable signal, and sends shutdown signal to described driver module.
2. electronic cigarette according to claim 1, is characterized in that, described open circuit detection module is provided with open-circuit-protection unit, and described short-circuit detecting module is provided with short-circuit protection unit.
3. electronic cigarette according to claim 1, is characterized in that, described driver module is provided with over-current protecting unit.
4. electronic cigarette according to claim 1, is characterized in that, described control module is provided with under-voltage protection unit.
5. electronic cigarette according to claim 4, it is characterized in that, described control chip also comprises the smoking detection module being electrically connected described control module, for detecting the smoking action of user, sends the smoking flag bit starting described electronic cigarette when smoking action being detected to described control module.
6. electronic cigarette according to claim 5, it is characterized in that, described control chip also comprises the charging module being electrically connected described control module, and the output port of described charging module and charging input end mouth are multiplexing port, and described multiplexing port is used for charging and discharging.
7. electronic cigarette according to claim 6, it is characterized in that, described control chip also comprises the display module being electrically connected described control module, described display module is used for showing normal smoking state respectively, electricity is not enough state, open circuit short-circuit condition and closed condition.
8. electronic cigarette according to claim 7, it is characterized in that, described electronic cigarette also comprises the airflow sensor connecting described smoking detection module, the heater strip connecting described driver module, connects the indicator lamp of described display module and connect the power supply of described charging module.
9. electronic cigarette according to claim 5, is characterized in that, described smoking detection module several different capacitance change thresholds predeterminable.
10. electronic cigarette according to claim 9, is characterized in that, described smoking detection module is provided with four capacitance change thresholds that value is 3%, 6%, 9% and 12%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351312.2U CN204070534U (en) | 2014-06-26 | 2014-06-26 | Electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351312.2U CN204070534U (en) | 2014-06-26 | 2014-06-26 | Electronic cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204070534U true CN204070534U (en) | 2015-01-07 |
Family
ID=52163318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420351312.2U Expired - Lifetime CN204070534U (en) | 2014-06-26 | 2014-06-26 | Electronic cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204070534U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104116139A (en) * | 2014-06-26 | 2014-10-29 | 深圳市麦克韦尔科技有限公司 | Electronic cigarette |
| CN104950953A (en) * | 2015-06-09 | 2015-09-30 | 昂纳自动化技术（深圳）有限公司 | Electronic cigarette and temperature control method thereof |
| CN108827372A (en) * | 2018-03-21 | 2018-11-16 | 深圳麦克韦尔股份有限公司 | A kind of electronic cigarette state detection circuit, detection method and electronic cigarette |
| KR20200081279A (en) * | 2018-12-27 | 2020-07-07 | 니뽄 다바코 산교 가부시키가이샤 | Power supply unit for aerosol inhaler, and control method and control program of the same |
-
2014
- 2014-06-26 CN CN201420351312.2U patent/CN204070534U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104116139A (en) * | 2014-06-26 | 2014-10-29 | 深圳市麦克韦尔科技有限公司 | Electronic cigarette |
| CN104950953A (en) * | 2015-06-09 | 2015-09-30 | 昂纳自动化技术（深圳）有限公司 | Electronic cigarette and temperature control method thereof |
| CN108827372A (en) * | 2018-03-21 | 2018-11-16 | 深圳麦克韦尔股份有限公司 | A kind of electronic cigarette state detection circuit, detection method and electronic cigarette |
| CN108827372B (en) * | 2018-03-21 | 2020-07-14 | 深圳麦克韦尔科技有限公司 | Electronic cigarette state detection circuit, detection method and electronic cigarette |
| KR20200081279A (en) * | 2018-12-27 | 2020-07-07 | 니뽄 다바코 산교 가부시키가이샤 | Power supply unit for aerosol inhaler, and control method and control program of the same |
| KR102217682B1 (en) * | 2018-12-27 | 2021-02-18 | 니뽄 다바코 산교 가부시키가이샤 | Power supply unit for aerosol inhaler, and control method and control program of the same |
| EA038305B1 (en) * | 2018-12-27 | 2021-08-06 | Джапан Тобакко Инк. | Power supply unit for aerosol inhaler, and control method and control program of the power supply unit |
| US11450901B2 (en) | 2018-12-27 | 2022-09-20 | Japan Tobacco Inc. | Power supply unit for aerosol inhaler, and control method and control program of the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SMOORE LTD. Free format text: FORMER NAME: SHENZHEN MICROVAPOR TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518102 Guangdong city of Shenzhen province Baoan District Xixiang Shu Dongcai Industrial Zone No. 16 8 2 floor Patentee after: SHENZHEN MAIKEWEIER CO., LTD. Address before: 518102 Guangdong city of Shenzhen province Baoan District Xixiang Shu Dongcai Industrial Zone No. 16 8 2 floor Patentee before: SHENZHEN MICROVAPOR TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Baoan District Xixiang street guwu community Dongcai Industrial Zone No. 16 Patentee after: Shenzhen Mcwell Technology Co., Ltd. Address before: 518102 Guangdong city of Shenzhen province Baoan District Xixiang Shu Dongcai Industrial Zone No. 16 8 2 floor Patentee before: SHENZHEN MAIKEWEIER CO., LTD. |
|
| CP03 | Change of name, title or address |