CN103759291A - Electronic cigarette lighter with automatic extinguishment function - Google Patents
Electronic cigarette lighter with automatic extinguishment function Download PDFInfo
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- CN103759291A CN103759291A CN201410055387.0A CN201410055387A CN103759291A CN 103759291 A CN103759291 A CN 103759291A CN 201410055387 A CN201410055387 A CN 201410055387A CN 103759291 A CN103759291 A CN 103759291A
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Abstract
The invention relates to an electronic cigarette lighter with an automatic extinguishment function. The electronic cigarette lighter is characterized by comprising a 12-volt direct-current power supply, an infrared transmitting and receiving circuit, a power switch circuit and a direct-current relay driving and electric heating circuit, wherein the infrared transmitting and receiving circuit is composed of an infrared transmitting tube D1, a resistor R1, an infrared transmitting tube D2 and a resistor R2; the power switch circuit is composed of an integrated circuit IC1 which is in a model of TWH8751 and a resistor R3; the direct-current relay driving and electric heating circuit is composed of a direct-current relay J, a switch diode D3 and an electric heating tape RL. The electronic cigarette lighter with the automatic extinguishment function does not use the dedicated chip and is convenient to use. A piece of cigarette is lighted when inserted into a lighting hole, and the electronic cigarette lighter stops heating automatically when the cigarette is away from the electronic cigarette lighter. Furthermore, the circuit structure is simple, circuit performance is stable, manufacture cost is low, and the like.
Description
Technical field
The invention belongs to application of electronic technology field, relate to a kind of electronic cigarette lighter with auto extinguishing function.
Background technology
The place that cigar lighter is mainly used in inconvenience uses naked light, such as: the place that factory, workshop, station, airport and hotel guest-room etc. need to light a cigarette, so use electronic cigarette lighter to complete the process of lighting a cigarette.When selecting cigar lighter, should be noted that the interface of cigar lighter, some cigarette lighter plug is only for for automobile power source socket.
The electronic cigarette lighter with auto extinguishing function of the present invention, it does not use special chip, have easy to use, cigarette being inserted into lighted hole and at once lighted, cigarette is from once automatically stopping heating, realize the requirements such as circuit structure is succinct, circuit performance stable, cheap, can be widely used in the public places such as hotel, office building, public lavatory, hospital, airport.
Below illustrate the electronic cigarette lighter with auto extinguishing function of the present invention related correlation technique content in force.
Summary of the invention
Goal of the invention and beneficial effect: the electronic cigarette lighter with auto extinguishing function of the present invention, it does not use special chip, have easy to use, cigarette being inserted into lighted hole and at once lighted, cigarette is from once automatically stopping heating, realize the requirements such as circuit structure is succinct, circuit performance stable, cheap, can be widely used in the public places such as hotel, office building, public lavatory, hospital, airport.
Circuit working principle: D1, D2 in electronic smoke ignition circuit are infrared mutual-tubes, that is: infrared emission tube and infrared receiver tube, power switch circuit IC1(TWH8751) form a power switch with peripheral cell and infrared mutual-tube, by DC relay J, control heat tape RL heating.Infrared mutual-tube is arranged on the both sides of tobacco insert hole, and wherein receiving tube D2 is connected between power switch circuit IC1 and DC power anode.When not having cigarette to insert, receiving tube D2 is subject to the irradiation of transmitting tube D1, the resistance decreasing of receiving tube D2, the 4th pin output high level of power switch circuit IC1, not adhesive of DC relay J.In the time of in cigarette is inserted cigarette hole, infrared ray is blocked, it is very large that the resistance of receiving tube D2 becomes, the 4th pin output low level of power switch circuit IC1, now DC relay J adhesive, the normally opened contact J-1 closure of DC relay J, makes 12V dc source connect heat tape RL, heat tape RL is by current heating, and cigarette lighted.
Technical scheme: have the electronic cigarette lighter of auto extinguishing function, it comprises that 12V dc source, infrared emitting and infrared radiation receiving circuit, power switch circuit, DC relay drive and electric heating circuit, is characterized in that:
Infrared emitting and infrared radiation receiving circuit: it is comprised of infrared emission tube D1 and resistance R 1, infrared receiver tube D2 and resistance R 2, the positive pole of infrared emission tube D1 is by the anodal VCC of resistance R 1 connection circuit, the negative pole connection circuit ground GND of infrared emission tube D1, the anodal VCC of negative pole connection circuit of infrared receiver tube D2, the positive pole of infrared receiver tube D2 is by resistance R 2 connection circuit ground GND;
Power switch circuit: it is comprised of power switch circuit IC1, resistance R 3, the model that power switch circuit IC1 selects is TWH8751, the 1st pin of power switch circuit IC1 connects the 5th pin of power switch circuit IC1, the 5th pin of power switch circuit IC1 is by the anodal VCC of resistance R 3 connection circuits, the 2nd pin of power switch circuit IC1 connects the positive pole of infrared receiver tube D2, the 3rd pin connection circuit ground GND of power switch circuit IC1, the 4th pin of power switch circuit IC1 connects DC relay and drives and electric heating circuit;
DC relay drives and electric heating circuit: it is comprised of DC relay J, switching diode D3 and heat tape RL, the 4th pin of power switch circuit IC1 connects one end of DC relay J coil and the positive pole of switching diode D3, the anodal VCC of the other end of DC relay J coil and the negative pole connection circuit of switching diode D3, the anodal VCC of stationary contact connection circuit of normally opened contact J-1, the movable contact of normally opened contact J-1 is by heat tape RL connection circuit ground GND;
The positive pole of 12V dc source is connected with circuit anode VCC, and the negative pole of 12V dc source is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing 1 is embodiment circuit working schematic diagram of electronic cigarette lighter with auto extinguishing function provided by the invention.
The specific embodiment
According to the electronic smoke ignition circuit fundamental diagram with auto extinguishing function and accompanying drawing explanation shown in accompanying drawing 1, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in embodiment requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The selection of components and parts and technical parameter
D1 is infrared emission tube, and D2 is infrared receiver tube;
D3 is switching diode, and the model of selecting is 1N4148 type;
IC1 is power switch circuit, and the model of selecting is TWH8751, and it adopts TOP-220 encapsulation, have 5 pins, its internal circuit is by input stage, and buffer amplifier and Darlington power output stage form, and is provided with feedback control loop and subtracts flow pattern output protection circuit;
The resistance of resistance R 1 is 820 Ω, and the resistance of resistance R 2 is 2.7K Ω, and resistance R 3 resistances are 620 Ω, and the power of resistance is 1/2W;
Heat tape RL is heating element heater, selects the electric furnace heating wire of one section of 1.5KW, and requiring resistance is 8 Ω;
J is DC relay, and the model of selecting is JRK-13F, and coil working voltage is 12V, requires contact current >=8A of normally opened contact J-1;
DC is 12V dc source, requires the voltage-stabilized power supply of its operating current >=2500mA.
Circuit production main points and circuit debugging
Fairly simple because thering is the circuit structure of electronic cigarette lighter of auto extinguishing function, as long as the electronic devices and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing 1 is welded to specifications, physical connection line and welding quality are after careful inspection is correct, circuit of the present invention does not need to carry out any debugging substantially, connects 12V dc source and can normally work;
Heat tape RL should be arranged on the bottom of cigarette jack; Make the common ABS material of insulating materials recommendation of cigar lighter, or use fire-retardant, resistant to elevated temperatures material.
Claims (1)
1. have an electronic cigarette lighter for auto extinguishing function, it comprises that 12V dc source, infrared emitting and infrared radiation receiving circuit, power switch circuit, DC relay drive and electric heating circuit, is characterized in that:
Described infrared emitting and infrared radiation receiving circuit are comprised of infrared emission tube D1 and resistance R 1, infrared receiver tube D2 and resistance R 2, the positive pole of infrared emission tube D1 is by the anodal VCC of resistance R 1 connection circuit, the negative pole connection circuit ground GND of infrared emission tube D1, the anodal VCC of negative pole connection circuit of infrared receiver tube D2, the positive pole of infrared receiver tube D2 is by resistance R 2 connection circuit ground GND;
Described power switch circuit is comprised of power switch circuit IC1, resistance R 3, the model that power switch circuit IC1 selects is TWH8751, the 1st pin of power switch circuit IC1 connects the 5th pin of power switch circuit IC1, the 5th pin of power switch circuit IC1 is by the anodal VCC of resistance R 3 connection circuits, the 2nd pin of power switch circuit IC1 connects the positive pole of infrared receiver tube D2, the 3rd pin connection circuit ground GND of power switch circuit IC1, the 4th pin of power switch circuit IC1 connects DC relay and drives and electric heating circuit;
Described DC relay drives and electric heating circuit is comprised of DC relay J, switching diode D3 and heat tape RL, the 4th pin of power switch circuit IC1 connects one end of DC relay J coil and the positive pole of switching diode D3, the anodal VCC of the other end of DC relay J coil and the negative pole connection circuit of switching diode D3, the anodal VCC of stationary contact connection circuit of normally opened contact J-1, the movable contact of normally opened contact J-1 is by heat tape RL connection circuit ground GND;
The positive pole of described 12V dc source is connected with circuit anode VCC, and the negative pole of 12V dc source is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055387.0A CN103759291A (en) | 2014-02-18 | 2014-02-18 | Electronic cigarette lighter with automatic extinguishment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055387.0A CN103759291A (en) | 2014-02-18 | 2014-02-18 | Electronic cigarette lighter with automatic extinguishment function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103759291A true CN103759291A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410055387.0A Pending CN103759291A (en) | 2014-02-18 | 2014-02-18 | Electronic cigarette lighter with automatic extinguishment function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103759291A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201246764Y (en) * | 2008-07-31 | 2009-05-27 | 陈清尧 | Electric automatic lighter for cigarette |
-
2014
- 2014-02-18 CN CN201410055387.0A patent/CN103759291A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201246764Y (en) * | 2008-07-31 | 2009-05-27 | 陈清尧 | Electric automatic lighter for cigarette |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |