CN206025413U

CN206025413U - Key ring

Info

Publication number: CN206025413U
Application number: CN201620883102.7U
Authority: CN
Inventors: 朱伟灿
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-15
Filing date: 2016-08-15
Publication date: 2017-03-22
Anticipated expiration: 2026-08-15

Abstract

The utility model discloses a key ring, including the key -ring, key -ring tie point cigarette device, wherein point cigarette device includes the casing, be provided with circuit board, the heating element on the casing, be provided with the battery on the circuit board, the heating element with the circuit board is connected. The last some cigarette device of key ring is provided with the function of clean boot, prevents to miss to touch the the heating element work that makes, causes incidents such as scald.

Description

A kind of key chain

Technical field

This utility model is related to the articles for daily use, more particularly to a kind of key chain.

Background technology

Key chain is common article in people's daily life, key is cascaded by key ring.But it is traditional Key chain simple structure, single function, and do not have other purposes.

Utility model content

In order to solve the deficiency of existing key chain, this utility model provides a kind of key chain, and possessing has the function of lighting a cigarette.

The utility model proposes a kind of key chain, including key ring；

The key ring connects cigarette lighting device, wherein the cigarette lighting device includes housing；

Circuit board, heat generating component are provided with the housing；

Battery is provided with the circuit board；

The heat generating component is connected with the circuit board.

As the further improvement of above-mentioned technical proposal, start indicator lamp and control heating group on the circuit board, are provided with First button of part start and stop, the second button；

Only when first button and second button are pressed simultaneously, the heat generating component just works.

Used as the further improvement of above-mentioned technical proposal, the housing includes the portion of lighting a cigarette and main part；

The inner chamber in the portion that lights a cigarette and the inner chamber insertion of the main part；

The inner chamber in the portion that lights a cigarette connects the heat generating component；

The inner chamber of the main part connects the circuit board.

Used as the further improvement of above-mentioned technical proposal, the main part is provided with fan；

The fan is electrically connected with the circuit board；

The 3rd button of control fan start and stop is provided with the circuit board.

As the further improvement of above-mentioned technical proposal, inner chamber of the fan air-out direction just to the main part.

Used as the further improvement of above-mentioned technical proposal, the portion of lighting a cigarette is connected with safety helmet；

The portion that lights a cigarette is detachably connected with the safety helmet.

Used as the further improvement of above-mentioned technical proposal, the safety helmet is realized detachable by screw thread with the portion of lighting a cigarette Connection.

Used as the further improvement of above-mentioned technical proposal, the circuit board is provided with warning circuit；

It is connected with the warning circuit for monitoring the temperature sensor of heat generating component temperature.

Used as the further improvement of above-mentioned technical proposal, the warning circuit includes single-chip microcomputer and alarm lamp；

The single-chip microcomputer connects alarm lamp.

As the further improvement of above-mentioned technical proposal, USB charging inlets are provided with the circuit board and instruction of charging Lamp.

The beneficial effects of the utility model are:A kind of key chain, the key ring on key chain can hang key, small articles Deng ornaments, key ring is connected with the cigarette lighting device for lighting a cigarette.Key not only can be hung, can also be lit a cigarette, be reduced people Inconvenience in daily life, the key chain are practical and convenient, easily promote.

Description of the drawings

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, combine with reference to the accompanying drawings and be embodied as Example is further described to this utility model.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, Therefore the restriction to scope is not construed as, for those skilled in the art, in the premise for not paying creative work Under, can be obtaining other related accompanying drawings according to these accompanying drawings.

Fig. 1 is a kind of schematic diagram of key chain in this utility model embodiment；

A direction views of Fig. 1 a for Fig. 1；

Fig. 2 is a kind of schematic diagram of housing in this utility model embodiment.

In the accompanying drawings, identical reference marker represents same or like element in whole figure.

Marginal data

2 housing of key chain 100 key ring, 1 cigarette lighting device, 21 heat generating component 22

Fan 23 lights a cigarette 31 main part of portion, 32 safety helmet 33

41 first 42 second button of button of alarm lamp, 43 start indicator lamp 44

The 3rd button 47 of 45 charging indicator light 46 of USB charging inlets

Specific embodiment

Now with reference to the accompanying drawing for showing this utility model embodiment, this practicality is hereinafter described more fully new Type.But, this utility model can occur with many different forms, and should not be construed as being limited to enforcement set forth herein Example, by embodiment, this utility model becomes more complete；Conversely, these embodiments for providing by way of example cause this It is open that scope of the present utility model is conveyed to into those skilled in the art of the present technique.Additionally, identical numeral represent all the time it is identical or Element or part that person is similar to.

Specific embodiment of the utility model is the following is, the technical solution of the utility model is further described, but Utility model is not limited to these embodiments.

It should be noted that when element is referred to as " fixation " or " connection " element, it can directly act on separately On one element or there may be element placed in the middle.

Unless otherwise defined, all technologies used herein and scientific terminology with belong to technical field of the present utility model The implication that is generally understood that of technical staff it is identical.The term for using specifically described herein only describes the mesh of specific embodiment , it is not intended that limit this utility model.

Embodiment 1

With reference to Fig. 1 and Fig. 1 a, this utility model embodiment 1 proposes a kind of key chain 100, and including key ring 1, its feature exists In the connection cigarette lighting device 2 of the key ring 1, wherein the cigarette lighting device 2 includes housing 21；Electricity is provided with the housing 21 Road plate, heat generating component 22；Battery is provided with the circuit board；The heat generating component 22 is connected with the circuit board.

Product in the market is only useful for hanging key this special purpose, the present embodiment key chain 100 on Cigarette lighting device 2 is increased, and by two kinds of function combinations together, larger facility is provided for people's life.

Wherein, traditional mode that lights a cigarette uses the lighter of imflammable gas.Lighter is mainly by firing device and storage Gas tank is constituted, and during firing device action, bursts out spark directive combustion gas area, combustion gas is ignited.More than the raw material of combustion gas using butane, third Alkanes or oil liquefied gas etc..They pour accumulator after pressurization, once just endothermic gasification is discharged into air and rapid Expansion, easily lights.The safety of this lighter is not high, and needs to inflate again or just straight after combustion gas is finished Discarding is connect, this just seems pretty troublesome but also not environmentally.

The utility model proposes key chain 100 in cigarette lighting device 2 using heat generating component 22 heating produce high temperature, cigarette end Heat generating component 22 under contact high temperature, by the transmission of heat so that cigarette end is lighted.This mode lighted is environment friendly and pollution-free, And safety.Both waste gas will not be produced as gas lighter, nor with flare scald handss are feared, while there is the situation of wind Under can also light cigarette end, without worry flare gone out by wind.

The coil that heat generating component 22 in the present embodiment is coiled into from heating wire made by metal.Because heating wire is powered After can produce high temperature, the metal of high temperature is easy to oxidation reaction in atmosphere so as to which surface produces oxide-film, oxide-film meeting Cause heating wire that aging impact occurs to use, so needing with non-oxidizability in the heating wire selected from heating wire.

The heating wire of cigarette lighting device 2 can material have many kinds, such as alloy material such as Aludirome, nickel-cadmium Material, these alloys all have stronger non-oxidizability, while also needing to the process through relative antioxidant.

Nickel-cadmium is selected in the present embodiment.Heating wire can be deformed at high temperature, and this can affect the use of heating wire, So from the nickel-cadmium of difficult deformation under high temperature.In other specific embodiments or in example, can be according to concrete feelings Heating wire of the condition from unlike material.

Heat generating component 22 passes through wire on circuit boards.Battery is provided with circuit board, battery can be chargeable knob Button lithium battery.

Lithium coin cells small volume, repeatable charging, life-span length, security performance are high, meanwhile, lithium coin cells are environmental protection electricity Pond, and it is recyclable.These advantages cause lithium coin cells to be highly suitable as the power supply of this utility model key chain 100.Knob Button lithium battery is powered for heat generating component 22, and heat generating component 22 converts electric energy to heat energy.

USB charging inlets 45 are provided with circuit board, are that battery charges.Specifically, charging inlet can be specifically Micro USB interface.Micro USB interface is a kind of standardized interface, is widely used in fields such as mobile phones.By using data wire Can just charge the battery, data wire connection computer, portable power source can complete battery pair charging.

Charging indicator light 46 is additionally provided with circuit boards, for the state for pointing out to charge.Could be arranged at the battery When in charged state, 46 Chang Liang of charging indicator light；When battery completes to charge, charging indicator light 46 extinguishes.Filled by observation Electric display lamp 46, it is possible to judge battery whether charging complete.Can also arrange simultaneously to charge under different charge capacities and indicate The color of lamp 46, electricity are less than 10%, and charging indicator light 46 is shown in red；When electricity reaches more than 90%, charging indicator light 46 is shown in green；Electricity is between 10%～90%, and charging indicator light 46 is shown as yellow.

To control the start and stop of heat generating component 22, need to be provided with button on circuit boards, using by key control heat generating component The state of 22 start and stop.

In conventional Electrical Design Scheme, it will usually remove to control certain component or certain unit using a button Start and stop state.So design very convenient in use, it is only necessary to which a button can be carried out controlling, but a button Control structure be placed in the cigarette lighting device 2 of key chain 100 the shortage reliability that just seems.

The volume of key chain 100 is all smaller, is typically all placed in pocket during trip, and body and clothes can be produced to button The heat generating component 22 of cigarette lighting device 2, when ignorant, is just started by raw extruding, it is possible to create the situation of maloperation.Failing to Find in time, 22 continuous heating of heat generating component produces high temperature, and clothes may be made to ignite or skin scald, security incident is caused.

Situation to avoid this false touch, maloperation occurs, and the cigarette lighting device 2 on this utility model key chain 100 increases There is the function of clean boot, need can just to start the heat generating component 22 in cigarette lighting device 2 using relative complex operation and work.

Specifically, two buttons are provided with circuit boards：First button 42 and the second button 43.First button 42 and When two buttons 43 are pressed simultaneously, heat generating component 22 could work.

Significantly more efficient protected mode is adopted in the present embodiment：Cigarette lighting device 2 is provided with unblock and lock-out state.Wherein, First button 42 can be connected with related control unit to the second button 43, carry out program setting to control unit, specifically A kind of mode can be：In 5 seconds, will be the first button 42 and the second button 43 simultaneously quick by 3 times, at the ability of cigarette lighting device 2 In released state.Cigarette lighting device 2 presses the first button 42 and the second button 43,22 ability of such heat generating component after unlocking again simultaneously Into working condition.The safety for using of cigarette lighting device 2 just can be greatly improved so.

When closing cigarette lighting device 2, it is also desirable to while pressing the first button 42 and the second button 43.Need to lock cigarette lighting device When 2, concrete operations can be identical in the way of above-mentioned unblock to arrange.

In order to more intuitively be apparent from 2 state in which of cigarette lighting device in operation element, can arrange on circuit boards There is start indicator lamp 44：First button 42 and the second button 43 are per by next time, start indicator lamp 44 is dodged once simultaneously；When lighting a cigarette When device 2 is in released state, state of the start indicator lamp 44 in Chang Liang.

Wherein, when battery electric quantity is less than 5%, cigarette lighting device 2 can not start or work, and so prevent battery from excessively putting Electricity so that battery is reduced.

The utility model proposes key chain 100 not only need to have the function of having cigar lighter, and also need to outward appearance and make Type is outstanding, with certain sight, can play as artware, user is more favored.So this reality The key chain 100 proposed in applying example, the housing 21 of cigarette lighting device 2 make the profile of similar supercharger.

In other specific embodiments, other appearance and modeling can also be adopted.

Such as Fig. 2, housing 21 include main part 32 and the portion 31 that lights a cigarette.

In the present embodiment, the cross section of main part 32 is circle, and the inner chamber of main part 32 is for fixing circuit board；Light a cigarette portion 31 are cylinder, and the interior intracavity in the portion 31 that lights a cigarette is connected with heat generating component 22.Wherein, light a cigarette portion 31 inner chamber and main part 32 it is interior Chamber is mutually communicated.Housing 21 can select plastics or metal alloy to make, and heat-insulated painting can also be coated with outside housing 21 Layer.

Safety helmet 33 is also equipped with cigarette lighting device 2, safety helmet 33 is connected with the portion of lighting a cigarette 31.Heat generating component 22 compares fragile appearance Easily it is damaged, meanwhile, after having put cigarette end, heat generating component 22 still has higher temperature.Safety helmet 33 can both protect cigarette lighting device Heat generating component 22 in 2, can also prevent handss false touch heat generating component 22 to be burned.Safety helmet 33 is detachably connected with the portion of lighting a cigarette 31, In the present embodiment, the mode that safety helmet 33 and the portion 31 that lights a cigarette are threaded connection links together.

Threaded connection is that one kind is widely used is detachably connected mode, with simple structure, connection reliability, assembly and disassembly side Just the advantages of.Specifically, the light a cigarette outside in portion 31 is provided with external screw thread, and the inner side of safety helmet 33 is provided with female thread, wherein, it is interior Screw thread and external screw thread corresponding matching so that light a cigarette portion 31 and safety helmet 33 links together.

Wherein, in another embodiment, the connected mode of the cap for brush of similar ball pen can be selected, using the portion of lighting a cigarette The elastic deformation of both 31 and safety helmet 33 connecting portions, makes both link together.In other specific embodiments, can be with Using other connected mode, realization lights a cigarette portion 31 and safety helmet 33 being detachably connected between the two.

In order to improve the efficiency for lighting a cigarette, fan 23 is connected with circuit boards.

Burning must possess and have three primary conditions：1st, combustible；2nd, enough ignition temperatures；3rd, oxidizer.In this reality Cigarette end is referred to just with involved combustible in new, ignition temperature is provided by heat generating component 22, during oxidizer is air Oxygen.

Wherein, the concentration and flow of oxidizer can affect the efficiency burnt.In daily life, when lighting some objects, need Can just make it easier to light by air blowing or air blast.Because can so increase the rate of air circulation of combustible surface. The fan 23 increased in the present embodiment, exactly for increase light cigarette end when by the circulation of cigarette end position air.

Main part 32 is provided with circular port, and fan 23 is just being arranged on the position of circular port, the wherein air-out direction of fan 23 For the inner chamber of main part.Because the inner chamber of the inner chamber and main part 32 in the portion 31 that lights a cigarette is mutually communicated, after fan 23 starts, air-out In the inner chamber in the air-flow meeting flow inlet point cigarette portion 31 that direction produces, by such structure so that the rate of air circulation in the portion 31 that lights a cigarette Increase.

The 3rd button 47 of control 23 start and stop of fan is additionally provided with circuit board, user can start according to the actual needs Or stop fan 23., for security consideration, fan 23 is needed after unblock cigarette lighting device 2, can just be started, it is to avoid false touch for this Button causes fan 23 to start, and flabellum is damaged skin.The wind speed of fan 23 arranges reasonable, and wind speed can cause very much air to flow through soon It is too fast to take away heat, on the contrary so that cigarette end is difficult to light.

Cigarette end can be quickly lighted when heat generating component 22 reaches 500 ° or so of high temperature just, if heat generating component 22 is long Between be in "on" position, higher temperature can be produced, the conductor overheating deformation or directly of connection heat generating component 22 will be caused Fused by high temperature, shorten significantly the life-span of cigarette lighting device 2 or which is directly scrapped, while can also produce causing some safety hidden Suffer from.

In order to avoid it is this kind of the occurrence of, warning circuit is provided with the circuit board of this utility model cigarette lighting device 2, report Alert circuit is connected with temperature sensor, and the temperature sensor is used for the temperature for monitoring heat generating component 22.

Temperature sensor refers to the sensor that can be experienced temperature and be converted into usable output signal.Temperature sensor is by measurement Mode, can be divided into contact and contactless two big class.

The detection part of contact type temperature sensor has good contact with measurand, and it is reached by conduction and convection current Thermal balance, so that its indicating value can directly represent the temperature of measurand.In certain temperature-measuring range, it is also possible to Measuring Object Internal Temperature Distribution.Common are bimetallic thermometer, vapour tension thermometer etc..

The sensing element of non-contact temperature sensor is not contacted with measurand, can be used to measure the surface of measurand Temperature, it can also be used to the Temperature Distribution of measurement temperature field.It is common to have outer red temperature sensor.

In a particular embodiment, suitable temperature sensor can be selected as needed.

The warning circuit being connected with temperature sensor includes single-chip microcomputer and alarm lamp 41, and single-chip microcomputer connection warning refers to Show lamp 41.The temperature of temperature sensor monitors heat generating component 22, passes to the microprocessor on single-chip microcomputer after temperature signal is converted Device.The signal for transmitting is judged and fed back by microprocessor, when the temperature of heat generating component 22 reaches default temperature, Alarm lamp 41 does not stop flicker to point out user.

Three display lamps being mentioned above：Alarm lamp 41, charging indicator light 46 and start indicator lamp 44, concrete Embodiment in can share same luminescence component, can so simplify structure, make the more small and exquisite exquisiteness of cigarette lighting device 2.

Specifically can be so that sounding component be provided with warning circuit, heat generating component 22 reaches preset temperature, by sound Sound sends alarm signal to user.

Because cigarette lighting device 2 is provided with this utility model key chain 100, with certain danger, so needing Related points for attention：1st, away from face, body and some inflammable and explosive objects；2nd, skin and body should not touch heat generating component 22；3rd, cigarette lighting device 2 is avoided by direct sunlight；4th, water or any liquid are avoided contact with；5th, must not use in hot environment； 6th, after guaranteeing to have put cigarette end every time, cigarette lighting device 2 is closed；In 31 attachment security cap 33 of the portion of lighting a cigarette when the 7th, not using； 8th, the child away from less than 13 years old.

In the description of this specification, the description of reference term " the present embodiment ", " specific embodiment " etc. is intended to combine and is somebody's turn to do Embodiment description specific features, structure the features such as be contained at least one embodiment of the present utility model.It is new in this practicality In type description, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.And, description Specific features, structure, feature etc. can be combined in any one or more embodiments or example in an appropriate manner.Additionally, In the case of not conflicting, those skilled in the art can be by the different embodiments or example described in this specification And the feature of different embodiments or example is combined and combines.

Although there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that： In the case of without departing from principle of the present utility model and objective, these embodiments can be carried out various changes, modification, replacement and Modification, this utility model are limited by claim and its equivalent.

Claims

1. a kind of key chain, including key ring, it is characterised in that the key ring connects cigarette lighting device, wherein the dress that lights a cigarette Put including housing；

Circuit board, heat generating component are provided with the housing；

Battery is provided with the circuit board；

The heat generating component is connected with the circuit board.

2. key chain according to claim 1, it is characterised in that start indicator lamp and control are provided with the circuit board First button of heat generating component start and stop, the second button；

3. key chain according to claim 1, it is characterised in that the housing includes the portion of lighting a cigarette and main part；

The inner chamber of the main part connects the circuit board.

4. key chain according to claim 3, it is characterised in that the main part is provided with fan；

The fan is electrically connected with the circuit board；

5. key chain according to claim 4, it is characterised in that the fan air-out direction is just in the main part Chamber.

6. key chain according to claim 3, it is characterised in that the portion of lighting a cigarette is connected with safety helmet；

7. key chain according to claim 6, it is characterised in that the safety helmet passes through screw thread and the portion's reality that lights a cigarette Now it is detachably connected.

8. key chain according to claim 1, it is characterised in that the circuit board is provided with warning circuit；

9. key chain according to claim 8, it is characterised in that the warning circuit includes single-chip microcomputer and police instruction Lamp；

The single-chip microcomputer connects alarm lamp.

10. key chain according to claim 1, it is characterised in that USB charging inlets are provided with the circuit board and are filled Electric display lamp.