CN108630068A - A kind of tool drilled wood to make fire in the wild and its application method - Google Patents
A kind of tool drilled wood to make fire in the wild and its application method Download PDFInfo
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- CN108630068A CN108630068A CN201710155862.5A CN201710155862A CN108630068A CN 108630068 A CN108630068 A CN 108630068A CN 201710155862 A CN201710155862 A CN 201710155862A CN 108630068 A CN108630068 A CN 108630068A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q1/00—Mechanical igniters
- F23Q1/02—Mechanical igniters using friction or shock effects
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
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Abstract
The present invention provides a kind of tool drilled wood to make fire in the wild and its application method, and the tool includes drill bit, bores plate and combustion-supporting material, and drill bit is hard waddy, and there are one tips for tool；Brill plate is soft plank, and there are one inverted " v " grooves for edge tool；Combustion-supporting material, which is placed in, to be bored in plate groove.The application method of the tool drilled wood to make fire in the wild is：First combustion-supporting material is placed on and is bored in plate groove, is then stretched into drill bit in the groove for boring plate, by quick rotary drilling-head, makes drill bit and bores plate friction until drilling out fire and coming.The tool of drilling wood to make fire of the present invention, manufacture craft is simple, and raw material is easy to get, at low cost；(field) is can be applied under particular surroundings to drill wood to make fire；The tool recycling performance drilled wood to make fire is good, and stability is good.
Description
Technical field
The present invention relates to a kind of tool drilled wood to make fire and its application methods, belong to practicability technical field, this brill wood
The tool got fire may be implemented under particular surroundings (field) and get fire.
Background technology
Fire is generated phenomenon during substance combustion, and the light and heat given out is exergonic mode.In flame
Carry out strong oxidation reaction, can there is different shapes with the vibration of particle, high temperature above flame part be with
The form of plasma (the 4th state, similar gas) occurs.Fire must have combustible, ignition temperature, three, oxidant and deposit ability
It lights a fire, indispensable, according to the law of conservation of mass energy, fighting does not make burned object disappear, and changes simply by chemical reaction
The molecule kenel of burned object.The mankind to the understanding of fire, use and grasp, be human knowledge naturally, and improving using naturally
The practice of the first time of production and life.The application of fire, there is extremely important meaning in development of human civilization history.
The method got fire is developed so far existing several, and the ancient times, people, which often keep in a fire, to come due to by constraint
It gets fire.People, which split to hit branch and light a fire after star is left as kindling material using the thunder and lightning that thunders, to be owned.Later people have invented fire again
Stone is got fire method, and this method is the earliest method of getting fire of the mankind, and the use of this method may be to be burst out by when making stone implement
The inspiration for the phenomenon that going out spark.Flint, which taps mutually friction, will will produce spark, and spark is made to fall on primer.When fire-lighter starts
It when smoldering, gently blows or fans, it is made to light open fire.It is found according to archaeological materials, hits fiery flint with pyrite and generate
Spark can get fire.Legendary ruler of antiquity's invention drills wood to make fire and is a kind of method got fire, this is to be appreciated that most extensive, but simultaneously
It is a kind of most difficult method.People have further invented convex lens again using power of nature and have ignited method, and this method utilizes the sun
With the strength of convex lens, focuses the sun and be allowed to be radiated on ready fire-lighter, fire-lighter can be lighted.It is got fire using magnifying glass
It is the most rapidly the propellant powder or fuse cord for irradiating gasoline, alcohol and bullet, fire-lighter can be lighted in 1~2 second.In addition,
Magnifying glass penetrates sunlight focusing illumination, and the match dried after can also making moist or be soaked in water is lighted.Magnifying glass is a kind of important
Tool of igniting.
The use of fire, especially rub the invention lit a fire, and significant impact is produced to Ancient people.The life of fire and people
Work is closely bound up.How ancient times fire generates actuallyWhether the legendary ruler of antiquity drills wood to make fire trueIt is understood that in actual life
In ubiquitous energy and energy conversion, such as the conversion between mechanical energy and other energy, mechanical energy is in addition to that can be converted to
Outside thermal energy, moreover it is possible to be converted to electric energy, luminous energy, acoustic energy etc., the conversion between energy is multi-angle, multi-faceted.It drills wood to make fire
Physical principle is friction work heat, the process for making mechanical energy be converted into interior energy (thermal energy) of substantially doing work.When rapidly rubbing,
Kinetic energy generates a large amount of thermal energy by converting, and when the speed for generating thermal energy is more than the speed that object externally radiates, temperature will
It constantly increases, reaching the burning point of timber can light a fire.It bores wooden and plays friction, kinetic energy occurs for friction.Fire is thermal energy and luminous energy
Phenomenon.It is an example that kinetic energy is changed into thermal energy and luminous energy to drill wood to make fire.It mainly tells about and lights a fire as typical friction herein
Drill wood to make fire.Wood raw material itself is more coarse, in friction, frictional force is larger to will produce heat, in addition timber itself
It is exactly combustibles, comes so fire will be sent out.The present invention is provided for field human survival and a kind of is got fire in particular circumstances
Utility.
Current research is drilled wood to make fire to we provide a kind of existence technical ability in extreme circumstances, while we will bore wood
It gets fire and is promoted to the height of scientific research, be closely connected drilling wood to make fire together with tribology.Drilling wood to make fire simultaneously makes us
Recognize that science and technology can bring benefit to the mankind and social development, it is also possible to have a negative impact, us is made to be happy to acquiring
Scientific knowledge make the life better.
Invention content
The purpose of the present invention is to provide a kind of tools that (field) drills wood to make fire in particular circumstances, and use the work
Have the method drilled wood to make fire, realizes and realize the purpose got fire using the principle of frictional heat in wood-wood interaction.
To achieve the above object, the present invention provides a kind of tool drilled wood to make fire in the wild, which is characterized in that including boring
Head bores plate and combustion-supporting material, and drill bit is hard waddy, and there are one tips for tool；Brill plate is soft plank, and there are one edge tools
Inverted " v " groove；Combustion-supporting material, which is placed in, to be bored in plate groove.
Preferably, the drill bit material chooses the harder timber variety of material.
Preferably, the plate material that bores chooses the timber variety that the material is soft.
It is further preferred that the brill plate material is selected from white poplar, willow.
Preferably, the combustion-supporting material is selected from tinder, dead leaf or withered grass.
The present invention also provides a kind of application methods of the tool as described above drilled wood to make fire in the wild, it is characterised in that：
First combustion-supporting material is placed on and is bored in plate groove, then drill bit is stretched into the groove for boring plate, by quick rotary drilling-head, makes drill bit
With brill plate friction until drilling out fire and coming.
The beneficial effects of the invention are as follows：Compared with the prior art, the advantages of the present invention are as follows：
1, tool of drilling wood to make fire of the invention, manufacture craft is simple, and raw material is easy to get, at low cost.
2, present invention could apply to (fields) under particular surroundings to drill wood to make fire.
3, it is of the present invention drill wood to make fire tool recycle performance it is good, stability is good.
Description of the drawings
Fig. 1 is the structural schematic diagram for the tool of drilling wood to make fire.
Fig. 2 is that the embodiment of the present invention 1 is drilled wood to make fire mechanics schematic diagram.
Fig. 3 is the relationship of rotating speed and frictional force in the embodiment of the present invention 1.
Specific implementation mode
Form is described in further detail the above of the present invention again by the following examples, but should not manage this
Solution is only limitted to embodiment below for the range of the above-mentioned theme of the present invention, and all technologies realized based on the above of the present invention are equal
Belong to the scope of the present invention.
As shown in Figure 1, a kind of tool drilled wood to make fire in the wild of the present invention, including drill bit, brill plate and combustion-supporting material.It bores
Head is hard waddy, and there are one tips for tool.Brill plate is soft plank, and there are one inverted " v " grooves for edge tool.Combustion-supporting material
It is placed in and bores in plate groove.
Preferably, the drill bit material chooses the harder timber variety of material.
Preferably, the plate material that bores chooses the timber variety that the material is soft.
Preferably, the brill plate material is selected from white poplar, willow.
Preferably, the combustion-supporting material is selected from tinder, dead leaf or withered grass.
The application method of the tool drilled wood to make fire in the wild is：First combustion-supporting material is placed on and is bored in plate groove, then
Drill bit is stretched into the groove for boring plate, by quick rotary drilling-head, makes drill bit and bores plate friction until drilling out fire and coming.
The selection of timber and combustion-supporting material：
Selection principle is the relatively large timber variety of friction coefficient；It first finds suitable timber and does brill plate, dry is white
Poplar, willow etc. can be good selections, because their quality is softer.Suitable branch is found again does drill bit, it is relatively hard
Some, condition is harsh unlike boring plate.
Bore the making of plate：
Brill edges of boards edge is drilled out the sulculus of inverted " v ".Inflammable a tinder or dead leaves are put into the case where boring plate, then
Both hands are firmly bored and are moved, until coming until drilling out fire.
The skill and principle drilled wood to make fire：
Indispensable three conditions of flammable burning of drilling wood to make fire：Oxygen, temperature (ignition point), combustible.It drills wood to make fire principle：Wood
It rubs between head, due to frictional heat principle, generates heat, temperature increases, and reaches the ignition point of combustible (straw etc.), at this time
There are enough air, has the condition of burning, just achieved the purpose that get fire.According to described on books, change object internal energy
There are two ways to：Heat is transmitted and acting.Moreover, it is entirely equivalent that acting and heat, which are transmitted to the effect for changing interior energy,.So.
Friction is easy to that object temperature is made to increase.So, it is got fire a seemingly easily thing using the method for friction.It can
Be actually do it is but not simple in this way.The story that friction is got fire all once was told about in many works.Friction drills wood to make fire and has one
Fixed skill, by our experiment it was found that in terms of selection, drill bit should select relatively hard wood, and substrate material
Material should select relatively soft wood, advantageously form the smaller bits that rub of granular size in this way, and be conducive to the complete of bits that rub
Carbonization.Further we have found that the bits that rub should also be accumulated during friction, is conducive to reach higher ignition point in this way, meet
The condition of burning, and then achieve the purpose that get fire.
The invention drilled wood to make fire derives from the mythical legend of China's ancient times.Wood is bored, the combustibles of withered grass class are put in front end,
When friction generates certain temperature, there is film, carefully blow at cigarette, combustibles can light a fire.Current research
Wood fire is bored to we provide a kind of existence technical ability in extreme circumstances, while we will drill wood to make fire and be promoted to scientific research
Height, be closely connected drilling wood to make fire together with tribology.Drilling wood to make fire simultaneously makes we are aware that science and technology can be to
The mankind bring benefit with social development, it is also possible to have a negative impact, us is made to be happy to be made the life better with the scientific knowledge acquired.
The device that laboratory is drilled wood to make fire by hand is as shown in Figure 1, our pre-tests are drilled wood to make fire with mechanical method, first
Substrate timber is punched, void shape and is beaten edge region, can be protected in this way as shown in Fig. 2, be inverted trapezoidal structure
Card timber comes into full contact with oxygen.Flammable well in order to make combustible have simultaneously, it is small that it is dried 2 by we in an oven
When, while the two conditions meet, it should also meet third condition namely temperature to get fire and must reach combustion of wood
Ignition point.The microprocess of frictional heat is that moving object molecule therein is doing orientation and random warm-up movement simultaneously,
The total kinetic energy of wherein all molecular orientations movement is exactly the kinetic energy of macro object, and the total kinetic energy of random motion and intermolecular
Interaction between two particles constitute the interior energy of macro object.
The mechanics principle drilled wood to make fire is as shown in Figure 2.
It is obtained according to force balance principle in vertical direction：
2FNCos θ=F+G
Here, G is the dead weight of wooden drill bit, and F is normal pressure, FNIt is base material to the holding power of wooden drill bit.Sliding
Frictional force is：
F=μ FN
When sliding speed does not cause superficial layer property to change, friction coefficient is almost unrelated with sliding speed.However
Under normal circumstances, sliding speed will cause the fever of material surface layer, deformation, oxidation and abrasion, to significantly affect friction
Coefficient.If being 0.2,0.4,0.6,0.8, G=2N, F=78N according to above formula friction coefficient, θ=60 degree, then frictional force is 16N,
32N,48N,64N.If friction coefficient is 0.2 to fix, normal pressure F is respectively 38N, 48N, 58N, and when 68N, then frictional force is respectively
8N,10N,12N,14N。
Friction working：
W=2 π rnft
Wherein t is rotation time, and n is rotating speed, and r is drill bit radius.It is assumed that t=480 seconds, r=10mm.Frictional heat
Its essence is the processes of energy conversion, and mechanical energy is converted into interior energy, according to the second law of thermodynamics：
Q=W η
Here η is transfer efficiency, if η=60%.
Q=cm (T-T0)
C be timber specific heat capacity, about 1700J/kg DEG C；M is the quality of timber at Contact Surfaces with Frictional Heating, because wood is heat
Non-conductor, therefore heated very thin thickness, the quality settings of wooden stick heated portion are 0.2Kg, T0For environment temperature, it is set as 15
℃。
Joint above formula we can obtain temperature and rotating speed, the relationship of frictional force.
T=0.0524nf+15
We are it will be clear that Contact Temperature increases with the increase of frictional force or rotating speed, when temperature reaches timber
Ignition point, timber can blaze up, achieve the purpose that drill wood to make fire.It has been shown that the ignition point T of certain wood can be down to
It about 240 DEG C, is substituted into above formula and is obtained：
As shown in figure 3, can be calculated in any case by above formula, when frictional force is 16N, 32N, 48N, when 64N, turn
Speed needs to respectively reach 268,134,89,67 revolutions per seconds, and timber can catch fire, and drills wood to make fire to realize.The above results will be for I
Quantitative study drill wood to make fire and certain gross data is provided supports.
The above is only a preferred embodiment of the present invention, it cannot function as the foundation of the limitation scope of the present invention.It answers
It, for those skilled in the art, without departing from the technical principles of the invention, can be with when pointing out
Several improvements and modifications are made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of tool drilled wood to make fire in the wild, which is characterized in that including drill bit, to bore plate and combustion-supporting material, drill bit be hard
Waddy, there are one tips for tool；Brill plate is soft plank, and there are one inverted " v " grooves for edge tool；Combustion-supporting material is placed in brill plate
In groove.
2. the tool according to claim 1 drilled wood to make fire in the wild, which is characterized in that the drill bit material chooses material
Harder timber variety.
3. the tool according to claim 1 drilled wood to make fire in the wild, which is characterized in that the brill plate material chooses material
Softer timber variety.
4. the tool according to claim 3 drilled wood to make fire in the wild, which is characterized in that the brill plate material is selected from white poplar
Tree, willow.
5. the tool according to claim 1 drilled wood to make fire in the wild, which is characterized in that the combustion-supporting material is selected from fire
Suede, dead leaf or withered grass.
6. a kind of application method of tool drilled wood to make fire in the wild according to claim 1-5, it is characterised in that：First will
Combustion-supporting material, which is placed on, to be bored in plate groove, is then stretched into drill bit in the groove for boring plate, by quick rotary drilling-head, is made drill bit and is bored
Plate friction is until drilling out fire and coming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155862.5A CN108630068A (en) | 2017-03-16 | 2017-03-16 | A kind of tool drilled wood to make fire in the wild and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155862.5A CN108630068A (en) | 2017-03-16 | 2017-03-16 | A kind of tool drilled wood to make fire in the wild and its application method |
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| Publication Number | Publication Date |
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| CN108630068A true CN108630068A (en) | 2018-10-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491249A (en) * | 2019-08-09 | 2019-11-22 | 三峡大学 | Mechanical drill wood to make fire teaching auxiliary device and application method |
| CN112303662A (en) * | 2019-09-06 | 2021-02-02 | 湘潭大学 | Environment-friendly fire taking device with replaceable friction head and rapid fire taking method |
-
2017
- 2017-03-16 CN CN201710155862.5A patent/CN108630068A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491249A (en) * | 2019-08-09 | 2019-11-22 | 三峡大学 | Mechanical drill wood to make fire teaching auxiliary device and application method |
| CN112303662A (en) * | 2019-09-06 | 2021-02-02 | 湘潭大学 | Environment-friendly fire taking device with replaceable friction head and rapid fire taking method |
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Application publication date: 20181009 |