CN105438064B - Pedestrian's alarming device and vehicle - Google Patents
Pedestrian's alarming device and vehicle Download PDFInfo
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- CN105438064B CN105438064B CN201510890562.2A CN201510890562A CN105438064B CN 105438064 B CN105438064 B CN 105438064B CN 201510890562 A CN201510890562 A CN 201510890562A CN 105438064 B CN105438064 B CN 105438064B
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- pedestrian
- distance
- alarming device
- loudspeaker
- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/006—Arrangement or adaptation of acoustic signal devices automatically actuated indicating risk of collision between vehicles or with pedestrians
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching
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- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of pedestrian's alarming device and vehicle.Pedestrian's alarming device includes：Distance detection sensor, for detecting the distance with pedestrian；Noise measuring sensor, for detecting ambient noise to form ambient noise signal；Controller, for forming prompting sound signal based on the ambient noise signal；And loudspeaker, for playing sound based on the prompting sound signal, wherein, the controller also controls the noise measuring sensor relative at least one in the position and direction of loudspeaker, so that the proper and distance of pedestrian is less than noise measuring sensor during preset distance and is located in the acoustic radiation region of the loudspeaker, uttered long and high-pitched sounds so as to be formed.It can be produced and uttered long and high-pitched sounds with simple mode by the present invention, to cause pedestrian to pay attention to, so as to improve security.
Description
Technical field
The present invention relates to vehicle technology, more particularly, to a kind of pedestrian's alarming device and vehicle.
Background technology
With the popularization of electric automobile, air pollution and pollution from environmental noise problem caused by conventional fuel oil vehicle
Fade away.However, because electric vehicle is excessively quiet, therefore, this can also produce problem.For example, vehicle traveling front,
When pedestrian is back to vehicle to run, pedestrian, which is often not easy to be aware of vehicle, to be moved closer to.This can make to the safety of pedestrian
Into certain hidden danger.
The settling mode of prior art is to increase extra voicefrequency circuit on electric vehicle.When the detection in vehicle passes
When sensor detects that there is pedestrian on periphery, the voicefrequency circuit sends corresponding prompt tone, so as to reach warning function.However, existing
In technology, prompt tone can not truly reflect the distance between vehicle and pedestrian.Present inventors have realized that this can give row
It is artificial into perceived distance mistake, this can equally cause potential safety hazard.
The content of the invention
It is an object of the present invention to provide a kind of new solution for pedestrian's alarming device.
According to the first aspect of the invention, there is provided a kind of pedestrian's alarming device, including：Distance detection sensor, it is used for
Detection and the distance of pedestrian；Noise measuring sensor, for detecting ambient noise to form ambient noise signal；Controller, use
Sound signal is prompted in being formed based on the ambient noise signal；And loudspeaker, for based on the prompting sound signal broadcasting sound
Sound, wherein, the controller also control it is at least one in the position and direction of the noise measuring sensor so that it is proper with
The distance of pedestrian is less than noise measuring sensor during preset distance and is located in the acoustic radiation region of the loudspeaker, so as to shape
Into uttering long and high-pitched sounds.
Preferably, the distance detection sensor includes infrared inductor, the infrared ray sent for sensing human body.
Preferably, the noise measuring sensor is microphone.
Preferably, the preset distance is 5m.
According to the second aspect of the invention, there is provided a kind of vehicle, including pedestrian's alarming device according to the present invention.
Preferably, the vehicle is electric automobile.
Preferably, pedestrian's alarming device is activated in the case where speed is less than 30Km/h.
In the present invention, when being less than preset distance with the distance of pedestrian, by noise measuring sensor and raise one's voice
Device forms positive feedback loop, is uttered long and high-pitched sounds with producing.This mode is realized simply.In addition, this mode can draw in preset distance
The bigger attention of pedestrian is played, so as to improve security.Here, the technical assignment or skill to be solved that the present invention to be realized
Art problem be it is that those skilled in the art never expect or it is not expected that, therefore the present invention is a kind of new technical scheme.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is the schematic block diagram of pedestrian's alarming device according to an embodiment of the invention.
Fig. 2 is the schematic diagram of example according to an embodiment of the invention.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
As shown in figure 1, pedestrian's alarming device according to an embodiment of the invention includes distance detection sensor 101, noise
Detection sensor 102, controller 103 and loudspeaker 104.
Distance detection sensor 101 is used to detect the distance with pedestrian.It can detect in several ways with pedestrian's
Distance.For example, the scope of body temperature is usually 36 DEG C -37.5 DEG C, and people knows from experience the certain infrared ray of release.Distance detection
Sensor 101 can be infrared inductor, the infrared ray sent for sensing human body, such as 10 μm or so of infrared ray.
In another example, distance detection sensor 101 can also include camera, to identify the pedestrian in captured image.Away from
Electromagnetic wave or sound wave etc. can occur to human body from detection sensor 101, and detect the echo from human body reflection to determine and row
The distance of people.
Noise measuring sensor 102 is used to detect ambient noise to form ambient noise signal.For example, the noise measuring
Sensor 102 is microphone.
Controller 103 is used to form prompting sound signal based on the ambient noise signal.
Loudspeaker 104 is used to play sound based on the prompting sound signal.
In the present invention, controller 103 can be also used for controlling noise measuring sensor 102 relative to loudspeaker 104
It is at least one in position and direction, so that proper when being less than preset distance with the distance of pedestrian, the noise measuring sensor
102 in the acoustic radiation region of the loudspeaker 104, utter long and high-pitched sounds so as to be formed.
For example, the detection range of distance detection sensor 101 can be arranged to 10m., can when just detecting pedestrian
To judge the distance of vehicle and pedestrian as 10m, harmful grade is relatively low.Now, controller 103 can be controlled, to make an uproar
The distance between sound detection sensor 102 and loudspeaker 104 are larger, and noise measuring sensor 102 is located at loudspeaker 104
Outside acoustic radiation area, loop is avoided to utter long and high-pitched sounds.For example, loudspeaker 104 also includes power amplifier, for receiving from control
The prompting sound signal of device is to play out.
When distance detection sensor 101, which detects, is less than preset distance (such as 5m) with the distance of pedestrian, it is believed that
For pedestrian, danger coefficient is higher.Now, controller 103 can control noise measuring sensor 102 relative to loudspeaker
It is at least one in 104 position and direction, for example, further the distance between noise measuring sensor 102 and loudspeaker 104,
And/or noise measuring sensor 102 is set to be in the acoustic radiation region of loudspeaker 104.In this case, sound signal warp is prompted
After loudspeaker 104 plays, and received by noise measuring sensor 102, so as to form positive feedback loop, utter long and high-pitched sounds.This howl
Caution sound can be used as by crying, so as to cause the great attention of above pedestrian.
In this embodiment, it is not necessary to increase more circuits to form warning sound signal in itself, but only by
Control noise measuring sensor 102 forms what can be attracted great attention relative to the position and direction can of loudspeaker 104
Caution sound.This scheme is realized simple.
Fig. 2 shows an example according to the present invention.In the example in figure 2, vehicle 200 is, for example, electric automobile.Car
200 include pedestrian's alarming device according to the present invention.Pedestrian's alarming device is, for example, pedestrian's alarming device shown in Fig. 1.
It will be appreciated by those skilled in the art that although pedestrian's alarming device of the present invention can be used for electric automobile, still, the present invention is not
It is limited to electric automobile.
Generally when car speed is relatively low, sound when it runs is relatively low, and this easily causes danger.For example, when speed is small
When 30Km/h, the sound of vehicle traveling is smaller, it is not easy to is noticed by pedestrian.Therefore, 30Km/h only can be less than in speed
When, start pedestrian's alarming device, remind pedestrian to pay attention to vehicle.For example, in fig. 2, when the speed of vehicle is less than 30Km/h,
Pedestrian's alarming device in vehicle 200 is activated.When the distance of vehicle 200 and pedestrian 300 is less than 5m, the row in vehicle 200
People's alarming device is by adjusting noise measuring sensor 102 relative at least one in the position and direction of loudspeaker 104, hair
Go out howling, cause more attentions of pedestrian 300.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
The principle of each embodiment, practical application or improvement to the technology in market are best being explained, or is making the art
Other those of ordinary skill are understood that each embodiment disclosed herein.The scope of the present invention is defined by the appended claims.
Claims (7)
1. a kind of pedestrian's alarming device, including：
Distance detection sensor, for detecting the distance with pedestrian；
Noise measuring sensor, for detecting ambient noise to form ambient noise signal；
Controller, for forming prompting sound signal based on the ambient noise signal；And
Loudspeaker, for playing sound based on the prompting sound signal,
Wherein, the controller also controls the noise measuring sensor relative at least one in the position and direction of loudspeaker
It is individual, so that proper be less than the acoustic radiation that noise measuring sensor during preset distance is located at the loudspeaker with the distance of pedestrian
In region, uttered long and high-pitched sounds so as to be formed.
2. pedestrian's alarming device according to claim 1, wherein, the distance detection sensor includes infrared induction
Device, the infrared ray sent for sensing human body.
3. pedestrian's alarming device according to claim 1, wherein, the noise measuring sensor is microphone.
4. pedestrian's alarming device according to claim 1, wherein, the preset distance is 5m.
5. a kind of vehicle, including pedestrian's alarming device according to claim 1.
6. vehicle according to claim 5, wherein, the vehicle is electric automobile.
7. vehicle according to claim 5, wherein, pedestrian's alarming device quilt in the case where speed is less than 30Km/h
Start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510890562.2A CN105438064B (en) | 2015-12-04 | 2015-12-04 | Pedestrian's alarming device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510890562.2A CN105438064B (en) | 2015-12-04 | 2015-12-04 | Pedestrian's alarming device and vehicle |
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| Publication Number | Publication Date |
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| CN105438064A CN105438064A (en) | 2016-03-30 |
| CN105438064B true CN105438064B (en) | 2017-12-15 |
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| CN201510890562.2A Active CN105438064B (en) | 2015-12-04 | 2015-12-04 | Pedestrian's alarming device and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113002421B (en) * | 2021-04-25 | 2023-03-31 | 广州小鹏汽车科技有限公司 | Vehicle exterior safety prompting method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3110229A1 (en) * | 1981-03-17 | 1982-09-30 | Rudat GmbH, 5620 Velbert | Warning noise generator |
| DE10129937A1 (en) * | 2001-06-19 | 2003-01-23 | Fritz Golz | System for improving sound volume of music instrument amplifier combos, uses electret microphone spaced from PA loudspeaker |
| CN102143419A (en) * | 2010-02-02 | 2011-08-03 | 株式会社电装 | Artificial engine sound generator |
| CN102602333A (en) * | 2012-03-09 | 2012-07-25 | 清华大学 | Multi-mode pedestrian safety sound warning system for electric vehicle |
| CN103158615A (en) * | 2011-12-16 | 2013-06-19 | 现代自动车株式会社 | Apparatus for warning pedestrians of oncoming vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248789A (en) * | 1994-03-14 | 1995-09-26 | Aiphone Co Ltd | Terminal loudspeaking device with alarm sound sending function |
| US8537030B2 (en) * | 2010-02-15 | 2013-09-17 | Ford Global Technologies, Llc | Pedestrian alert system and method |
-
2015
- 2015-12-04 CN CN201510890562.2A patent/CN105438064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3110229A1 (en) * | 1981-03-17 | 1982-09-30 | Rudat GmbH, 5620 Velbert | Warning noise generator |
| DE10129937A1 (en) * | 2001-06-19 | 2003-01-23 | Fritz Golz | System for improving sound volume of music instrument amplifier combos, uses electret microphone spaced from PA loudspeaker |
| CN102143419A (en) * | 2010-02-02 | 2011-08-03 | 株式会社电装 | Artificial engine sound generator |
| CN103158615A (en) * | 2011-12-16 | 2013-06-19 | 现代自动车株式会社 | Apparatus for warning pedestrians of oncoming vehicle |
| CN102602333A (en) * | 2012-03-09 | 2012-07-25 | 清华大学 | Multi-mode pedestrian safety sound warning system for electric vehicle |
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| CN105438064A (en) | 2016-03-30 |
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Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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Effective date of registration: 20210709 Address after: 261031 Weian Road, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, Weifang hi tech Development Zone, Shandong, China Patentee before: GOERTEK Inc. |