CN207190679U - A kind of automobile tire - Google Patents

Abstract

It the utility model is related to a kind of automobile tire, more particularly to a kind of feature tire for the ergonomics (Ergonomics) for helping to drive safely.A kind of automobile tire, the tire are not required to directly plus shaken just can produce the sound bat for activating driver's alpha wave frequency range by adjusting the frequency range of high frequency noise caused by tire in low frequency section.The utility model is not required to directly plus shaken just can produce the sound bat for activating driver's alpha wave frequency range by adjusting the frequency range of high frequency noise caused by tire in low frequency section.During driving, make to produce the sound bat waveform that can relax α wave frequency sections that are nervous, improving notice on tire, driver's human body α ripples are activated, to reduce vehicle in running at high speed, because the risk of accident occurs for driver distraction's notice.

Description

A kind of automobile tire

Technical field

It the utility model is related to a kind of automobile tire, more particularly to a kind of ergonomics for helping to drive safely (Ergonomics) feature tire.

Background technology

The activity of human brain is substantially the activity of electric wave.Brain wave is that the activity shown by millions of individual brain cells merges The waveform formed, 5 wave bands of δ, θ, α, β, γ can be divided into according to frequency variation scope.It can be inferred that by the change of brain wave The psychology change of people.In daily life, the increase of θ ripples shows the state of dispersion attention, and the increase of α ripples shows spirit On stable state, notice strengthen.In scorch or driving over long distances, the θ ripples in brain wave will increase driver, The spirit of driver becomes scattered, decreased attention, and Risk Management ability declines.Experiment shows that driver uses when driving Mobile phone, θ ripples, which can increase by more than 4%, α ripples, reduces by 3%, psychologically will also lose calmness.

The content of the invention

The purpose of this utility model is to provide a kind of automobile tire, and the utility model makes to produce on tire when being and driving can The sound for relaxing α wave frequency sections that are nervous, improving notice claps waveform, activates the feature tire of the ergonomics of α ripples.

In order to realize above-mentioned purpose, the utility model employs following technical scheme：

A kind of automobile tire, the tire is by adjusting the frequency range of high frequency noise caused by tire, in low frequency section It is not required to directly plus shakes just produce the sound bat of activation driver's alpha wave frequency range.

It is preferred that the automobile tire tyre surface decorative pattern has the first rib and the second rib, the first rib Caused frequency noise is f_p, frequency noise caused by the second rib is f_b, described f_b+8≤f_p≤f_b+ 12, or f_b-12 ≤f_p≤f_b-8.The α ripples of brain wave are 8-12Hz waveforms, in order to activate it, it is necessary to produce above-mentioned frequency on tire under steam The waveform of rate scope.When general automobile tire (girth 1.8m) is travelled with 100km/h, the frequency that tire rotation is turned around is left in 15Hz The right side, the waveform of said frequencies scope can not be produced, i.e., the waveform of same range be produced using direct method, but comfortableness can drop It is low, do not recommend.In general a number of pattern block of repeatability is designed with tire tread, produces 500- in motion Noise between 2000Hz.The utility model makes tire tread specifically each not phase of frequency noise scope caused by each position Together, generation sound is clapped between making two frequency ranges, sound is clapped the cycle as 8-12 times per second, is activated the α ripples of driver.

As further preferably, the automobile tire sets the pitch N of the first rib_p, the pitch N of the second rib of setting_b, root According to f_p=V/L*N_p, f_b=V/L*N_b；Described V=60~140km/h, L are the girth of tire.

As further preferably, the tire includes left side rib and right side rib, and left side rib corresponds to described first Rib, corresponding the second described rib of right side rib.Certainly, the first rib and the second rib can be changed mutually Position.

As further preferably, the first rib is the standard pitch of tire, and the second rib is variation pitch.

As further preferably, centered on standard pitch length, carry out dispersion frequency using a variety of pitches, in pitch ratio ranges Interior to use a variety of variation pitches, circumferentially arrangement changes pitch.

As further preferably, the first rib is the standard pitch of tire, and the second rib is variation pitch+standard pitch.

The utility model by adjusting the frequency range of high frequency noise caused by tire, be not required in low frequency section directly plus The sound bat of activation driver's alpha wave frequency range can just be produced by shaking.During driving, anxiety can be relaxed, carry by making to produce on tire The sound of the α wave frequency sections of high notice claps waveform, activates driver's human body α ripples, to reduce vehicle in running at high speed, due to driving Member, which takes sb's mind off sth, occurs the risk of accident.

Brief description of the drawings

Fig. 1 tire tread structure figures of the present utility model, left side are standard pitch, and right side is variation pitch.

Fig. 2 is Tire testing noise light spectrogram.

Embodiment

For Zhou Changwei L passenger vehicle tyre when using N number of pitch, standard pitch length is L/N.In general, with standard Centered on pitch length, carry out dispersion frequency using a variety of pitches, a variety of variation pitches are used in the range of pitch ratio, in circumference Upper arrangement pitch.

At this moment the frequency of standard pitch is f_p=V/L*N.Tire in the utility model is on the left side of decorative pattern or right side Arrangement changes pitch on the basis of standard pitch, and away from the basis of variation sound breath-group is arranged away from decorative pattern by sound breath-group in opposite side The sound that place produces 8-12 times per second is clapped.Here sound claps pitch frequency f_bIt is defined as follows：f_b+8≤f_p≤f_b+12,f_b-12≤f_p≤ f_b-8.The full-length and variation length of pitch are adjusted according to tire circumference and main operating speed.

It is standard pitch on the left of Fig. 1, right side is variation pitch.Fig. 2 is Tire testing noise light spectrogram (spectrum), Near 365Hz, adjacent two crests can form the sound beat tone of alpha wave wave frequency section.

Using most experiments person as object, allow them to listen general tire noise and the utility model tire noise repeatedly, use Heart rate measuring instrument measures the psychological HRV (heart rate variability) caused by alpha wave.Just The noise of invention tire, the SDNN related to external environment condition adaptive faculty and shows the HF of parasympathetic activity degree and all increased, can Alpha wave has been have activated to find out.(table 1)

SDNN, HF measurement result between 1. general tire of table and invention tire

Claims (7)

1. A kind of 1. automobile tire, it is characterised in that：The tire is by adjusting the frequency range of high frequency noise caused by tire, low Frequency separation is not required to directly plus shaken just produce the sound bat of activation driver's alpha wave frequency range.
2. A kind of 2. automobile tire according to claim 1, it is characterised in that：The automobile tire tyre surface decorative pattern has the first flower Line bar and the second rib, frequency noise caused by the first rib are f_p, frequency noise caused by the second rib is f_b, institute The f stated_b+8≤f_p≤f_b+ 12, or f_b-12≤f_p≤f_b-8。
3. A kind of 3. automobile tire according to claim 2, it is characterised in that：The pitch N of first rib is set_p, set the The pitch N of two ribs_b, according to f_p=V/L*N_p, f_b=V/L*N_b；Described V=60~140km/h, L are the girth of tire.
4. A kind of 4. automobile tire according to claim 3, it is characterised in that：The tire includes left side rib and right side is spent Line bar, corresponding the first described rib of left side rib, corresponding the second described rib of right side rib.
5. A kind of 5. automobile tire according to Claims 2 or 3 or 4, it is characterised in that：First rib is the standard of tire Pitch, the second rib are variation pitch.
6. A kind of 6. automobile tire according to claim 5, it is characterised in that：Centered on standard pitch length, using more Kind pitch carrys out dispersion frequency, and a variety of variation pitches are used in the range of pitch ratio, and circumferentially arrangement changes pitch.
7. A kind of 7. automobile tire according to Claims 2 or 3 or 4, it is characterised in that：First rib is the standard of tire Pitch, the second rib are variation pitch+standard pitch.