CN203454208U

CN203454208U - Full-automation operation-free cigarette lighter

Info

Publication number: CN203454208U
Application number: CN201320415710.1U
Authority: CN
Inventors: 栾玉春
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-14
Filing date: 2013-07-14
Publication date: 2014-02-26
Anticipated expiration: 2023-07-14

Abstract

The utility model provides a full-automation operation-free cigarette lighter which is especially suitable for public places with special control demand. The front surface of an outer shell of the cigarette lighter is provided with a cigarette lighting hole and the back surface of the outer shell is provided with a power plug; a voltage transformation circuit and a digital logic circuit are disposed in the outer shell; the digital logic circuit is formed by electrically connecting an infrared detection circuit, a false triggering prevention logic circuit, a 555 monostable circuit, a Schmitt trigger and an electric heating wire controlled by a silicon controller rectifier; and infrared emission and reception tubes of the infrared detection circuit are disposed at the position of the cigarette lighting hole. The full-automation operation-free cigarette lighter achieves automatic control through the photoelectric detection and digital logic circuits, and thus enables a user to light cigarettes without any contact operation, achieves the objectives of safety, cleanness and energy conservation and is especially suitable for public places allowing smoke and places with special control of combustion source.

Description

Automatically exempt to operate cigar lighter

Technical field

The utility model is a kind of cigarette cigarette lighting device of automatically exempting from operation.In use, user and device itself do not need any contact operation, by Digital Logical Circuits, realized automatically and being controlled, and reaches object safe, energy-conservation, health, is specially adapted to the public place that special management needs.

Background technology

Have many places, for the needs of safety management, forbidden to carry lighter and match, the contradiction lighting a cigarette in order to solve burning things which may cause a fire disaster management and smoker, generally adopts at present mechanical caging lighter or solves with vehicle-used cigarette lighter.But that these modes all exist is fragile, the shortcoming of easy loss, simultaneously because of the operation of public's contact, also exist the problem of unhygienic infectivity disease.

The basic reasons that causes these shortcomings and problem is exactly that each use all needs user to carry out contact operation to cigarette lighting device.The utility model adopt Photoelectric Detection and Digital Logical Circuits realized the process of lighting a cigarette full-automatic, exempt from operation, contact-free, thoroughly solved the defect problem of the same device using at present.The utility model profile is small and exquisite succinct, energy-conservation, easy to use, safe.

Utility model content

The purpose of this utility model is to provide a kind of Photoelectric Detection and integrated digital logic circuit of adopting and realizes the cigarette cigarette lighting device of automatically exempting from operation, both management and the requirement of using had been met, simultaneously because without any need for contact operation, there is safety, health, energy-conservation feature.

The technical scheme that solution the utility model technical problem adopts is: cigar lighter outer casing frontispiece is provided with lighter hole, the back side arranges attaching plug, transforming circuit and Digital Logical Circuits are set in shell, Digital Logical Circuits is electrically connected and is connected into by infrared light detection, anti-error triggering logic circuit, 555 monostable circuits, Schmidt trigger and five parts of thyristor controlled electrical heating wire, and the infrared emission of infrared light detection circuit, receiving tube are arranged on lighter hole position.

Described anti-error triggering logic circuit has adopted a nor gate and NAND gate logic circuit, is connected with Schmidt trigger point with infrared light detection circuit.

Described Schmidt trigger adopts CC40106 integrated package, and transforming circuit has 12V to exchange output with 5V two-way, after the interchange output of 5V connects 7805 integrated packages, exports 5V D.C. regulated power supply.

At cigar lighter outer casing frontispiece, be also provided with cigarette ash and store up buzzer and the three kinds of status indicator lamps in groove and Digital Logical Circuits.

Lighter hole is guide pipe structure, guide pipe top is provided with a metal net shaped catch, and electrical heating wire is set after catch, catch and electrical heating wire spacing 1mm, there are two conduits the corresponding both sides that guide pipe enters 5mm place, and infrared emission, receiving tube are contained in respectively in these two conduits.

Useful technique effect of the present utility model is: adopt Photoelectric Detection and Digital Logical Circuits to control cigarette lighting device, operation is automatically exempted from use procedure, both safe and reliable, again clean hygiene.The utility model is simple in structure, low cost of manufacture, and static power consumption is little, easy to install, can be widely used in permitting the public arena of smoking and the place of the special control of burning things which may cause a fire disaster.

Accompanying drawing explanation

Fig. 1: the utility model outward appearance side view.

Fig. 2: lighter hole schematic diagram of the present utility model.

Fig. 3: the utility model private side view.

Fig. 4: the utility model outward appearance rearview.

Fig. 5: the utility model Digital Logical Circuits figure.

Fig. 6: the utility model power circuit diagram.

Fig. 7: timing waveform.

In figure: 1. lighter hole, 2. buzzer, 3. status indicator lamp (red D ₃, yellow D ₄, green D ₅), 4. cigarette ash is stored up groove, 5. heating wire, 6. metal net shaped catch, 7. infrared light emission pipe D ₁, 8. phototriode D ₂, 9. plug.

The specific embodiment

Referring to Fig. 1, this automatically exempts to operate cigarette lighting device is a square box body, high strength, high-temperature resistance plastice part, consists of.Lighter hole 1 is long 15mm, the pipe that internal diameter is 12mm, and there are two conduits corresponding both sides, 5mm place from outside to inside, built-in infrared light-emitting tube D1 and phototriode D ₂.Lighter hole top is placed a metal net shaped catch 6(and is seen Fig. 2), heating wire 5 is set after catch, the spacing of the two is 1mm, can prevent that user is directly against cigarette on heating wire 5, causes heating wire 5 to damage.Lower end, square box body top is empty, under have a movable cigarette ash to store up groove 4, be used for specially collecting cigarette ash, pipe tobacco, after a period of time, its taking-up is outwelled to (see figure 1).When attaching plug 9 is flat, lie down in the groove at box body rear portion, during use, pull it and be inserted on wall socket.

This cigarette lighting device box body face is provided with three LED state indicator lamps 3 and buzzer 2, and LED light color is respectively red, yellow, and green, represents that respectively this installs different duties.When red, represents energising standby; Amber light is bright, represents that heating wire heats, waits a moment; Green light, expression can light a cigarette.While lighting a cigarette, cigarette is inserted gently from lighter hole, when green light, buzzer send " dripping " prompt tone, just can light a cigarette, whole process operates without any contact.

Digital Logical Circuits (see figure 5) is by infrared light detection, anti-error triggering logic circuit, 555 monostable circuits, Schmidt trigger CC40106 monostable flipflop, and five parts of SCR control electrical heating wire form.

While 1, not having cigarette to insert in lighter hole, infrared light emission pipe D ₁the photosensitive triode D of Infrared irradiation sending ₂, D ₂conducting, A point is low level, through NAND gate IC ₂after, C point is high level.Because there is no triggering signal, 555 monostable circuit (IC ₃) output Q is low level, V ₂in cut-off state, controllable silicon SCR is blocked, and red LED (D, without electricity, is installed in holding state in heating wire two ends ₃) bright.The corresponding timing waveform (see figure 7) of waveform I part.

While 2, having cigarette to insert in lighter hole, infrared light is blocked, phototriode D ₂cut-off, in high-impedance state, now A point becomes high level, forms a pulse signal, through NAND gate IC ₂after anti-phase, become negative pulse, this pulse signal is through R ₃, C ₁after differential circuit, form a spike triggering signal (seeing the D point oscillogram of Fig. 7), 555 monostable circuits are triggered, and a width of Q end output is tw ₁high potential pulse, drive triode V ₂conducting is saturated, drives controllable silicon SCR conducting, and heating wire 5 adds the heating of 12V voltage.By the required heat time (heating wire is rubescent, shinny), set tw ₁, tw ₁=1.1R ₄c ₂, set thus R ₄, C ₂numerical value.Heat time (tw ₁) to rear heating wire auto-breaking.Between the period of heating, yellow led (D ₄) bright, represent to heat, wait a moment.The corresponding timing waveform (see figure 7) of waveform II part.

3, the high potential pulse signal of Q end output is simultaneously through R ₈, C ₄after differential circuit, trailing edge (after meaning heating) in Q end output pulse forms the trigger end that Schmidt trigger CC40106 is sent in a spike, at output F, occur a high potential pulse, pulse width equals the work efficiency duration after electric-heating-wire-heating, tw2=R ₈c ₄inVc/ (Vc-V _t+), set thus R ₈, C ₄numerical value.Green LED (D now ₅) bright, honey device sends prompt tone, and expression can light a cigarette.See waveform sequential chart (see figure 7) III part.

Once 4 have cigarette insertion, device is just triggered in heating and the state that lights a cigarette, if frequently there is cigarette insertion during this, device will frequently be triggered and always in heated condition, can and cause very major injury service life to device security so.For this reason, adopted a nor gate and NAND gate logic circuit to form anti-error triggering logic circuit.Its logic numeral expression formula is

,

, its truth table is as follows:

Q	0	1	0
				F	0	0	1
B	1	0	0
				C		1	1

Table can be found out thus, when in heated condition (Q=1) and the state that lights a cigarette (F=1), B end is " 0 ", this means under this two states, by cigarette, in lighter hole, being inserted in the triggering signal that A point forms is closed, only, when holding state (Q=0, F=0), could accept A and hold to obtain triggering signal.So just formed anti-error triggering logic circuit.

5, power supply is partly shown in Fig. 5, and 200V power supply is reduced to 12V and 5V after transformation, and 5V exports 5V D.C. regulated power supply after rectifying and wave-filtering is by 7805 voltage stabilizing filters, exchanges 12V and directly outputs in controllable silicon SCR.

Claims

1. automatically exempt to operate cigar lighter for one kind, it is characterized in that: outer casing frontispiece is provided with lighter hole, the back side arranges attaching plug, transforming circuit and Digital Logical Circuits are set in shell, Digital Logical Circuits is electrically connected and is connected into by infrared light detection, anti-error triggering logic circuit, 555 monostable circuits, Schmidt trigger and five parts of thyristor controlled electrical heating wire, and the infrared emission of infrared light detection circuit, receiving tube are arranged on lighter hole position.

2. by claimed in claim 1, automatically exempt to operate cigar lighter, it is characterized in that: anti-error triggering logic circuit has adopted a nor gate and NAND gate logic circuit, be connected with Schmidt trigger point with infrared light detection circuit.

3. by automatically exempting to operate cigar lighter described in claim 1 or 2, it is characterized in that: Schmidt trigger adopts CC40106 integrated package, transforming circuit has 12V to exchange output with 5V two-way, after the interchange output of 5V connects 7805 integrated packages, exports 5V D.C. regulated power supply.

4. by claimed in claim 3, automatically exempt to operate cigar lighter, it is characterized in that: at outer casing frontispiece, be also provided with cigarette ash and store up buzzer and the three kinds of status indicator lamps in groove and Digital Logical Circuits.

5. by claimed in claim 3, automatically exempt to operate cigar lighter, it is characterized in that: lighter hole is guide pipe structure, guide pipe top is provided with a metal net shaped catch, electrical heating wire is set after catch, catch and electrical heating wire spacing 1mm, there are two conduits the corresponding both sides that guide pipe enters 5mm place, and infrared emission, receiving tube are contained in respectively in these two conduits.