CN103759292A

CN103759292A - Electronic cigarette lighter with delay flameout function

Info

Publication number: CN103759292A
Application number: CN201410060919.XA
Authority: CN
Inventors: 吴圣铎
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-23
Filing date: 2014-02-23
Publication date: 2014-04-30

Abstract

The invention relates to an electronic cigarette lighter with the delay flameout function. The electronic cigarette lighter is characterized by comprising a 12 V direct-current power source, a power-up self-locking circuit, a monostable circuit, a direct-current relay driving and lighting circuit and a cigarette lighting state indicating circuit. The power-up self-locking circuit is composed of a button switch AN and a normally-open contact J-1 of a direct-current relay J; the monostable circuit is composed of a time-base circuit IC1, an electrolytic capacitor C1, a potentiometer RP and a resistor R1, wherein the type of the time-base circuit IC1 is NE555; the direct-current relay driving and lighting circuit is composed of the direct-current relay J, a switching diode D1 and an electric heating belt RL. In order to overcome the defects in an infrared ray tube aligning cigarette lighter, the electronic cigarette lighter with the delay flameout function has the advantages that a normal integrated circuit chip is adopted, the requirements of being safe in use, stable in working performance, low in manufacturing cost and the like are met, and the electronic cigarette lighter can be widely applied to sites such as hotels, office buildings, public toilets, hospitals and airports.

Description

There is the electronic cigarette lighter of delayed extinction

Technical field

The invention belongs to electronic auto-control technology field, is the electronic cigarette lighter that has delayed extinction about a kind of.

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 cigarette ignition process.In common electronic smoke ignition circuit, generally use infrared mutual-tube, that is: infrared emission tube and infrared receiver tube and power switch circuit (as: TWH8751) form power switch with peripheral cell, by DC relay J, control electric heating circuit heating or flame-out.The cigar lighter that uses infrared mutual-tube to make, mischief or stub that its lighter hole is easily subject to child do not have taking-up in time and make heater circuit initiation fire alarm out of control.

The defect existing in order to solve above-mentioned infrared mutual-tube cigar lighter, the electronic cigarette lighter with delayed extinction of the present invention, use conventional IC chip, there is use safer, realized that circuit structure is succinct, stable work in work, the requirement such as 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 delayed extinction of the present invention related correlation technique content in force.

Summary of the invention

Goal of the invention and beneficial effect: the defect existing in order to solve above-mentioned infrared mutual-tube cigar lighter, the electronic cigarette lighter with delayed extinction of the present invention, use conventional IC chip, there is use safer, realized that circuit structure is succinct, stable work in work, the requirement such as cheap, can be widely used in the public places such as hotel, office building, public lavatory, hospital, airport.

Circuit working principle: the circuit with the electronic cigarette lighter of delayed extinction is actually a monostable circuit, after in cigarette insertion lights a cigarette jack, press the button immediately switch AN, 12V dc source adds to monostable circuit, and make 12V dc source power up self-locking, at this moment the 2nd pin of time base circuit IC1 and the 6th pin are high level, the 3rd pin output low level of time base circuit IC1, make DC relay J coil obtain electric work, the normally opened contact J-1 of DC relay J and the equal adhesive of normally opened contact J-2, make heat tape RL connect 12V dc source, heat tape RL is by large current heating, cigarette is lighted.Then 12V dc source charges to electrochemical capacitor C1 by resistance R 1 and potentiometer RP, along with the voltage on electrochemical capacitor C1 raises, the 2nd pin of time base circuit IC1 and the voltage of the 6th pin decline gradually, at that time when the 2nd pin of base IC circuit 1 and voltage drop to the 2/3 dc source voltage of the 6th pin, the 3rd pin of time base circuit IC1 is high level by low level upset, at this moment the coil of DC relay J is not worked dead electricity, DC relay J normally opened contact J-1 and normally opened contact J-2 all disconnect, monostable circuit and the equal dead electricity of heat tape RL, cigarette complete ignition process, LED is the status indicator lamp that lights a cigarette.

Technical scheme: have the electronic cigarette lighter of delayed extinction, it comprises 12V dc source, powers up latching circuit, monostable circuit, DC relay driving and firing circuit, the condition indication circuit that lights a cigarette, and it is characterized in that:

Power up latching circuit: it is comprised of the normally opened contact J-1 of press button AN, DC relay J, the anodal VCC of normally opened contact J-1 stationary contact connection circuit of one end of press button AN and DC relay J, the anodal VCC1 of normally opened contact J-1 movable contact connection circuit of the other end of press button AN and DC relay J;

Monostable circuit: it is by time base circuit IC1, electrochemical capacitor C1, potentiometer RP and resistance R 1 form, the model that time base circuit IC1 adopts is NE555, the anodal VCC1 of anodal connection circuit of electrochemical capacitor C1, the 2nd pin of time base circuit IC1 and the 6th pin connect the negative pole of electrochemical capacitor C1 and one end and the lever arm thereof of potentiometer RP, one end of the other end connecting resistance R1 of potentiometer RP, the 1st pin connection circuit ground GND of the other end of resistance R 1 and time base circuit IC1, the anodal VCC1 of the 4th pin of time base circuit IC1 and the 8th pin connection circuit, the 3rd pin of time base circuit IC1 connects DC relay and drives and firing circuit,

DC relay drives and firing circuit: it is comprised of DC relay J, switching diode D1 and heat tape RL, the 3rd pin of time base circuit IC1 connects one end of DC relay J coil and the positive pole of switching diode D1, the anodal VCC1 of the other end of DC relay J coil and the negative pole connection circuit of switching diode D1, the anodal VCC1 of stationary contact connection circuit of normally opened contact J-2, the movable contact of normally opened contact J-2 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.

Condition indication circuit lights a cigarette: it is comprised of LED and dropping resistor R2, and the 3rd pin of time base circuit IC1 connects the negative pole of LED by dropping resistor R2, the anodal VCC1 of anodal connection circuit of LED.

Accompanying drawing explanation

Accompanying drawing 1 is embodiment circuit working schematic diagram of electronic cigarette lighter with delayed extinction provided by the invention.

The specific embodiment

According to the electronic smoke ignition circuit fundamental diagram with delayed extinction 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 technical parameter of components and parts and selection requirement thereof

IC1 is time base circuit, and the model of selecting is NE555; Time base circuit IC1 is that 8 pin are DIP encapsulation, each pin function: 1 pin connection circuit ground; 2 pin are trigger end; 3 pin outputs; 4 pin preset ends; 5 pin are for controlling voltage; 6 pin thresholdings (threshold value); 7 pin are discharge end; 8 pin connect DC power anode;

J is DC relay, and the model of selecting is JRK-13F-12V, and requiring has two groups of normally opened contacts, that is: normally opened contact J-1 and normally opened contact J-2, requires DC relay J normally opened contact J-2 contact current >=6A;

Resistance R 1 resistance is 2.2K Ω, and dropping resistor R2 resistance is 820 Ω, and the power of resistance is 1/4W;

RP is linear potentiometer, and its resistance is 270K Ω;

C1 is electrochemical capacitor, and its capacity is 3.3 μ F;

AN is press button, and the model of selecting is K-18, and the contact that requires press button is open type;

D1 is switching diode, and the model of selecting is 1N4148 type;

LED is light emitting diode, selects the common red light emitting diodes of diameter ￠ 5;

Heat tape RL is heating element heater, selects the electric furnace heating wire of one section of 1.5KW, and requiring resistance is 8～10 Ω;

DC is 12V dc source, requires the D.C. regulated power supply of operating current >=2500mA.

Circuit production main points and circuit debugging

Fairly simple because thering is the circuit structure of electronic cigarette lighter of delayed extinction, 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 light a cigarette bottom of jack of cigarette; The insulating materials of making cigar lighter should be used ABS fire proofing, or uses fire-retardant, resistant to elevated temperatures insulating materials;

The time of lighting a cigarette of cigarette is exactly the delay time of monostable circuit, it is determined by the value of electrochemical capacitor C1, potentiometer RP and resistance R 1, that is: T ≈ 1.1 × C1 (RP+R1), according to the technical parameter of above-mentioned components and parts, the delay time of monostable circuit approximately 10 seconds～1.0 minutes.

Claims

1. have an electronic cigarette lighter for delayed extinction, it comprises 12V dc source, powers up latching circuit, monostable circuit, DC relay driving and firing circuit, the condition indication circuit that lights a cigarette, and it is characterized in that:

The described latching circuit that powers up is comprised of the normally opened contact J-1 of press button AN, DC relay J, the anodal VCC of normally opened contact J-1 stationary contact connection circuit of one end of press button AN and DC relay J, the anodal VCC1 of normally opened contact J-1 movable contact connection circuit of the other end of press button AN and DC relay J;

Described monostable circuit is by time base circuit IC1, electrochemical capacitor C1, potentiometer RP and resistance R 1 form, the model that time base circuit IC1 adopts is NE555, the anodal VCC1 of anodal connection circuit of electrochemical capacitor C1, the 2nd pin of time base circuit IC1 and the 6th pin connect the negative pole of electrochemical capacitor C1 and one end and the lever arm thereof of potentiometer RP, one end of the other end connecting resistance R1 of potentiometer RP, the 1st pin connection circuit ground GND of the other end of resistance R 1 and time base circuit IC1, the anodal VCC1 of the 4th pin of time base circuit IC1 and the 8th pin connection circuit, the 3rd pin of time base circuit IC1 connects DC relay and drives and firing circuit,

Described DC relay drives and firing circuit is comprised of DC relay J, switching diode D1 and heat tape RL, the 3rd pin of time base circuit IC1 connects one end of DC relay J coil and the positive pole of switching diode D1, the anodal VCC1 of the other end of DC relay J coil and the negative pole connection circuit of switching diode D1, the anodal VCC1 of stationary contact connection circuit of normally opened contact J-2, the movable contact of normally opened contact J-2 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.

2. the electronic cigarette lighter with delayed extinction according to claim 1, it is characterized in that: the condition indication circuit that lights a cigarette is comprised of LED and dropping resistor R2, the 3rd pin of time base circuit IC1 connects the negative pole of LED by dropping resistor R2, the anodal VCC1 of anodal connection circuit of LED.