CN102694918A - Mobile phone with ultrasonic radar forward detection function - Google Patents
Mobile phone with ultrasonic radar forward detection function Download PDFInfo
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- CN102694918A CN102694918A CN2012101648775A CN201210164877A CN102694918A CN 102694918 A CN102694918 A CN 102694918A CN 2012101648775 A CN2012101648775 A CN 2012101648775A CN 201210164877 A CN201210164877 A CN 201210164877A CN 102694918 A CN102694918 A CN 102694918A
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Abstract
The invention relates to a mobile phone with an ultrasonic radar forward detection function, which comprises a mobile phone chip, an ultrasonic module and an ultrasonic probe, wherein the mobile phone chip is connected to the ultrasonic module; the ultrasonic module is connected to the probe; and the ultrasonic module comprises an ultrasonic probe transmitting circuit, an ultrasonic receiving circuit and a grounding circuit. The mobile phone can be used for carrying out accurate ultrasonic detection, is accurate to position and has high speed; the good reliability and practicality can be provided for visually-impaired people; due to the adoption of the narrow-band probe, the detecting accuracy is improved and the misinformation probability of a universal probe is avoided; the mobile phone has comprehensive functions; any person can obtain good application; and the mobile phone can be well operated at night.
Description
Technical field
The present invention relates to field of mobile phones, relate in particular to the mobile phone that a kind of band ultrasonic radar that is applicable to that the vision disorder crowd uses advances and surveys.
Background technology
Along with development of modern society; Mobile phone in China's development rapidly, is popularized also more and more widely as modern communication apparatus; According to statistics; China has become the first in the world mobile phone application big country, and mobile phone has become requisite communication tool in people's daily life, and to the employed mobile phone of vision disorder crowd and few.The existing mobile phone that is applicable to the vision disorder crowd uses GPRS or GPS to position usually, and the precision of using the GPRS location to realize separately is low; Poor reliability, and in the big city, because building is numerous; Positioning accuracy straight line especially descends, and almost is difficult to realize the location.And existing ultrasonic wave directive property is strong, and consuming little energy can easily be applied to distance test, and therefore, ultrasonic wave is widely used in distance test.For this reason, designer of the present invention is because above-mentioned defective, and through concentrating on studies and design, comprehensive experience and the achievement of being engaged in related industry for a long time for many years, research and design go out a kind of mobile phone that advances and survey with ultrasonic radar, to overcome above-mentioned defective.
Summary of the invention
The object of the present invention is to provide a kind of mobile phone that advances and survey with ultrasonic radar, it is simple in structure, and is easy and simple to handle, adopts supersonic sounding, accurate positioning, and precision is high, and speed is fast, and good reliability of vision disorder crowd and practicality can be provided.
Be to realize above-mentioned purpose, the invention discloses a kind of mobile phone that advances and survey with ultrasonic radar, it comprises chip for cell phone, ultrasonic wave module and ultrasonic probe, and wherein chip for cell phone is connected in ultrasonic wave module, and ultrasonic wave module is connected to probe, it is characterized in that:
This chip for cell phone includes ultrasonic signal generator and ultrasonic signal receiver;
This ultrasonic wave module comprises ultrasonic probe radiating circuit, ultrasonic wave receiving circuit and earthed circuit; This ultrasonic probe radiating circuit comprises probe drive circuit and DC-DC power circuit; This probe drive circuit is connected to ultrasonic signal generator on this chip for cell phone to receive pumping signal, and it also is connected to ultrasonic probe to send ultrasonic signal; This DC-DC power circuit is connected to the built-in power of chip for cell phone, the voltage of battery of mobile phone is risen to the operating voltage of ultrasonic probe;
This ultrasonic wave receiving circuit comprises band-pass circuit and detecting circuit; This band-pass circuit is connected to another probe and detecting circuit; Detecting circuit also is connected to the ultrasonic signal receiver in the chip for cell phone; After detecting circuit detects the voltage that arrives the millivolt level of ultrasonic wave generation, produce the TTL pulse voltage and notify chip for cell phone;
This earthed circuit is connected to the ground connection of chip for cell phone;
Said ultrasonic probe is arranged on the mobile phone to transmit and receive ultrasonic wave, and it is the waterproof ultrasonic probe.
Wherein: the launching beam angle of this ultrasonic probe is 20 degree-45 degree.
Wherein: the launching beam angle of this ultrasonic probe is the 25-35 degree, like this, and through using than narrow beam, and the restriction through handset shell, the supersonic sounding scope is concentrated in the about 30 degree scopes in dead ahead.
Wherein: be provided with voice cue module in this chip for cell phone to carry out the report of voice and prompt tone.
Wherein: chip for cell phone is controlled ultrasonic wave module through GPIO.
Wherein: this mobile phone comprises shell, and chip for cell phone is arranged in this shell, and the front end of this shell has the detection portion of built-in said ultrasonic probe.
Wherein: the rear side of this shell is provided with battery tray, battery cover, camera and light district; Be placed with battery of mobile phone in the battery tray; Battery cover battery of mobile phone and closing battery seat; The light district is positioned at camera on every side so that light to be provided, and when night, also makes other people can effectively observe the vision disorder crowd of handheld mobile phone.
Wherein: the sidepiece of this shell is provided with sound key, charging inlet and warning button is set; This sound is provided with key and is connected to the size of chip for cell phone with the control volume; The surface that this sound is provided with key is provided with a plurality of convexities so that better feel and control to be provided; This warning button is connected to chip for cell phone so that the emergency alarm operation to be provided, in case long by this warning button, then chip for cell phone is dialed the police emergency number automatically.
Through said structure, the band ultrasonic radar of the present invention mobile phone of surveying that advances has been realized following technique effect:
1, ultrasonic probe can send supersonic sounding accurately, its accurate positioning, and speed is fast, and good reliability of vision disorder crowd and practicality can be provided.
2, adopt the probe of narrow ripple, improved detection accuracy, avoided the wrong report probability of general probe.
3, complete function anyly can better be used per capita, also can well be operated at night.
The present invention will further describe in detail through following specific embodiment, and further combine will obtain knowing more and significantly understanding to the explanation of accompanying drawing.
Description of drawings
Fig. 1 has shown the advance system configuration sketch map of the mobile phone surveyed of band ultrasonic radar of the present invention.
Fig. 2 has shown the advance concrete structure sketch map of the mobile phone surveyed of band ultrasonic radar of the present invention.
Embodiment
Referring to Fig. 1; Shown the advance system configuration sketch map of the mobile phone surveyed of band ultrasonic radar of the present invention; It comprises chip for cell phone 1, ultrasonic wave module 2 and ultrasonic probe 3, and wherein chip for cell phone 1 is connected in ultrasonic wave module 2, and ultrasonic wave module 2 is connected to probe 3.
This chip for cell phone 1 is a main control chip, includes ultrasonic signal generator and ultrasonic signal receiver (not shown), and this signal generator sends pumping signal, is generally the continuous impulse of 40Khz/51Khz, ultrasonic signal receiver receiving feedback signals.
This ultrasonic wave module 2 comprises ultrasonic probe radiating circuit, ultrasonic wave receiving circuit and earthed circuit 25.
Wherein, This ultrasonic probe radiating circuit comprises probe drive circuit 21 and DC-DC power circuit 22; This probe drive circuit 21 is connected to chip for cell phone 1 to receive pumping signal; It also is connected to ultrasonic probe 3 backs and sends ultrasonic signal, and preferably, this probe drive circuit 21 is connected to the ultrasonic signal generator on this chip for cell phone 1; All transformers during this probe drive circuit 21 also includes rise to 110V to 150V through middle all transformers with signal amplitude behind the continuous impulse of reception 40Khz/51Khz and drive ultrasonic probe 3; This DC-DC power circuit 22 is connected to the built-in power of chip for cell phone 1, the voltage of battery of mobile phone is risen to the operating voltage of ultrasonic probe.
This ultrasonic wave receiving circuit comprises band-pass circuit 23 and detecting circuit 24; This band-pass circuit 23 is connected to another probe 3 and detecting circuit 24; Detecting circuit 24 also is connected to the ultrasonic signal receiver in the chip for cell phone 1, after detecting circuit 24 detects the voltage that arrives the millivolt level of ultrasonic wave generation, produces the TTL pulse voltage and notifies chip for cell phone; Bandwidth-limited circuit is used to filter out the interference (< 20Khz) and because the High-frequency Interference (> 80Khz that chip and radio frequency produce during operating handset of audio-frequency unit).
Wherein, earthed circuit 25 is connected to the ground connection of chip for cell phone 25.
Said ultrasonic probe 3 is arranged at mobile phone on every side to transmit and receive ultrasonic wave, and it is the waterproof ultrasonic probe preferably, and more preferably, the launching beam angle of this ultrasonic probe 3 is less than 60 degree; For example 20 degree-45 degree are more preferably the 25-35 degree, like this, and through using than narrow beam; And the restriction through handset shell, the supersonic sounding scope is concentrated in the about 30 degree scopes in dead ahead, and the investigative range of tradition probe is wider; After outside velocity of wave arrives several meters, investigative range is wide, very easily wrong report.
The advance implementation method of the mobile phone surveyed of band ultrasonic radar of the present invention is following: chip for cell phone sends a pumping signal, after drive circuit is strengthened, and all transformers in delivering to, middle all transformers rise to 110V ~ 150V with signal amplitude, drive ultrasonic probe.Ultrasonic probe sends ultrasonic wave, and the ultrasonic wave that sends is received by probe after probe institute is to reflection object; After the amplification of the amplifying circuit detection on the circuit, see a level signal off, chip for cell phone is according to the time difference between the signal level of sending signal and receiving; Multiply by the aerial propagation velocity of sound; Count ambient temperature compensation (sound propagation velocity becomes with temperature) again in, calculate the distance of obstacle, inform the user with the mode of voice or prompt tone.
Thus, be provided with voice cue module in this chip for cell phone 1 carrying out the report of voice and prompt tone, thereby saved main core IC and voice IC.
Preferably, chip for cell phone is controlled ultrasonic wave module through GPIO (general input/output port).During emission, produce 40Khz through the simulation of GPIO mouth, 10 ~ 20 square waves trigger ultrasonic transmit circuit.During reception, the GPIO mouth is in input state, and whether the detecting circuit of monitoring in real time in the receiving circuit produces effective TTL signal.Referring to Fig. 2; Be the advance concrete structure sketch map of the mobile phone surveyed of band ultrasonic radar of the present invention, this mobile phone comprises shell 11, and chip for cell phone 1 is arranged in this shell 11; The front end of this shell 11 has the detection portion 12 of built-in said ultrasonic probe 3; The rear side of this shell 11 is provided with battery tray, battery cover, camera 13 and light district 14, is placed with battery of mobile phone in the battery tray, battery cover battery of mobile phone and closing battery seat; Light district 14 is positioned at camera 13 on every side so that light to be provided, and when night, also makes other people can effectively observe the vision disorder crowd of handheld mobile phone; The sidepiece of this shell 11 is provided with sound key 15, charging inlet 16 and warning button 17 is set, and this sound is provided with key 15 and is connected to the size of chip for cell phone 1 with the control volume, and the surface that this sound is provided with key 15 is provided with a plurality of convexities so that better feel and control to be provided; This warning button 17 is connected to chip for cell phone 1 so that the emergency alarm operation to be provided; In case long by this warning button 17, then chip for cell phone 1 is dialed the police emergency number automatically, thus; In case any situation occurs, the alarm operation that can provide convenience.
Can know that through foregoing description advantage of the present invention is following:
1, ultrasonic probe can send supersonic sounding accurately, its accurate positioning, and speed is fast, and good reliability of vision disorder crowd and practicality can be provided.
2, adopt the probe of narrow ripple, improved detection accuracy, avoided the wrong report probability of general probe.
3, complete function anyly can better be used per capita, also can well be operated at night.It is obvious that, and above description and record only are for example rather than in order to limit disclosure of the present invention, application or use.Though described and be described in the drawings embodiment in an embodiment; But the optimal mode that the present invention does not limit by the accompanying drawing example and the conduct of describing is in an embodiment thought at present is with the specific examples of the instruction of embodiment of the present invention, and scope of the present invention will comprise any embodiment of the specification that falls into the front and appended claim.
Claims (8)
1. mobile phone that advances and survey with ultrasonic radar, it comprises chip for cell phone, ultrasonic wave module and ultrasonic probe, and wherein chip for cell phone is connected in ultrasonic wave module, and ultrasonic wave module is connected to probe, it is characterized in that:
This chip for cell phone includes ultrasonic signal generator and ultrasonic signal receiver;
This ultrasonic wave module comprises ultrasonic probe radiating circuit, ultrasonic wave receiving circuit and earthed circuit; This ultrasonic probe radiating circuit comprises probe drive circuit and DC-DC power circuit; This probe drive circuit is connected to ultrasonic signal generator on this chip for cell phone to receive pumping signal, and it also is connected to ultrasonic probe to send ultrasonic signal; This DC-DC power circuit is connected to the built-in power of chip for cell phone, the voltage of battery of mobile phone is risen to the operating voltage of ultrasonic probe;
This ultrasonic wave receiving circuit comprises band-pass circuit and detecting circuit; This band-pass circuit is connected to another probe and detecting circuit; Detecting circuit also is connected to the ultrasonic signal receiver in the chip for cell phone; After detecting circuit detects the voltage that arrives the millivolt level of ultrasonic wave generation, produce the TTL pulse voltage and notify chip for cell phone;
This earthed circuit is connected to the ground connection of chip for cell phone;
Said ultrasonic probe is arranged on the mobile phone to transmit and receive ultrasonic wave, and it is the waterproof ultrasonic probe.
2. mobile phone as claimed in claim 1 is characterized in that: the launching beam angle of this ultrasonic probe is 20 degree-45 degree.
3. mobile phone as claimed in claim 2 is characterized in that: the launching beam angle of this ultrasonic probe is the 25-35 degree, like this, and through using than narrow beam, and the restriction through handset shell, the supersonic sounding scope is concentrated in the about 30 degree scopes in dead ahead.
4. mobile phone as claimed in claim 1 is characterized in that: be provided with voice cue module in this chip for cell phone to carry out the report of voice and prompt tone.
5. mobile phone as claimed in claim 1 is characterized in that: chip for cell phone is controlled ultrasonic wave module through GPIO.
6. mobile phone as claimed in claim 1 is characterized in that: this mobile phone comprises shell, and chip for cell phone is arranged in this shell, and the front end of this shell has the detection portion of built-in said ultrasonic probe.
7. mobile phone as claimed in claim 6; It is characterized in that: the rear side of this shell is provided with battery tray, battery cover, camera and light district; Be placed with battery of mobile phone in the battery tray; Battery cover battery of mobile phone and closing battery seat, the light district is positioned at camera on every side so that light to be provided, and when night, also makes other people can effectively observe the vision disorder crowd of handheld mobile phone.
8. like claim 6 or 7 described mobile phones; It is characterized in that: the sidepiece of this shell is provided with sound key, charging inlet and warning button is set; This sound is provided with key and is connected to the size of chip for cell phone with the control volume, and the surface that this sound is provided with key is provided with a plurality of convexities so that better feel and control to be provided, and this warning button is connected to chip for cell phone so that the emergency alarm operation to be provided; In case long by this warning button, then chip for cell phone is dialed the police emergency number automatically.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101648775A CN102694918A (en) | 2012-05-24 | 2012-05-24 | Mobile phone with ultrasonic radar forward detection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101648775A CN102694918A (en) | 2012-05-24 | 2012-05-24 | Mobile phone with ultrasonic radar forward detection function |
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| CN2012101648775A Pending CN102694918A (en) | 2012-05-24 | 2012-05-24 | Mobile phone with ultrasonic radar forward detection function |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105260922A (en) * | 2015-10-15 | 2016-01-20 | 广东欧珀移动通信有限公司 | Commodity information matching method and commodity information matching device |
| CN105824026A (en) * | 2016-05-18 | 2016-08-03 | 青岛大学 | Combined handheld obstacle-encountering alarm mobile phone holder |
| CN105847475A (en) * | 2016-05-18 | 2016-08-10 | 青岛大学 | Combined obstacle meeting alarm phone |
| CN105911549A (en) * | 2016-05-18 | 2016-08-31 | 青岛大学 | Ultrasonic handheld type obstacle-encountering warning mobile phone holder |
| CN105911547A (en) * | 2016-05-18 | 2016-08-31 | 青岛大学 | Combined type obstacle-encountering warning intelligent cap |
| CN105954757A (en) * | 2016-05-18 | 2016-09-21 | 青岛大学 | Infrared hand-held obstacle alarm mobile phone support |
| WO2018045845A1 (en) * | 2016-09-12 | 2018-03-15 | 中兴通讯股份有限公司 | Signal processing method and device, and mobile terminal |
| CN112489394A (en) * | 2020-10-23 | 2021-03-12 | 中科传启（苏州）科技有限公司 | Myopia prevention method of electronic equipment, myopia prevention electronic equipment and myopia prevention flat plate |
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| CN101199427A (en) * | 2006-12-11 | 2008-06-18 | 乐金电子(中国)研究开发中心有限公司 | IMCT and supersonic detecting based on it |
| CN101207645A (en) * | 2006-12-22 | 2008-06-25 | 乐金电子(中国)研究开发中心有限公司 | Radar type obstruction warning mobile phone |
| CN201153276Y (en) * | 2007-05-28 | 2008-11-19 | 北京恒基伟业投资发展有限公司 | Mobile phone having ultrasonic distance measurement function |
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| CN101199427A (en) * | 2006-12-11 | 2008-06-18 | 乐金电子(中国)研究开发中心有限公司 | IMCT and supersonic detecting based on it |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105260922A (en) * | 2015-10-15 | 2016-01-20 | 广东欧珀移动通信有限公司 | Commodity information matching method and commodity information matching device |
| CN105824026A (en) * | 2016-05-18 | 2016-08-03 | 青岛大学 | Combined handheld obstacle-encountering alarm mobile phone holder |
| CN105847475A (en) * | 2016-05-18 | 2016-08-10 | 青岛大学 | Combined obstacle meeting alarm phone |
| CN105911549A (en) * | 2016-05-18 | 2016-08-31 | 青岛大学 | Ultrasonic handheld type obstacle-encountering warning mobile phone holder |
| CN105911547A (en) * | 2016-05-18 | 2016-08-31 | 青岛大学 | Combined type obstacle-encountering warning intelligent cap |
| CN105954757A (en) * | 2016-05-18 | 2016-09-21 | 青岛大学 | Infrared hand-held obstacle alarm mobile phone support |
| WO2018045845A1 (en) * | 2016-09-12 | 2018-03-15 | 中兴通讯股份有限公司 | Signal processing method and device, and mobile terminal |
| CN112489394A (en) * | 2020-10-23 | 2021-03-12 | 中科传启（苏州）科技有限公司 | Myopia prevention method of electronic equipment, myopia prevention electronic equipment and myopia prevention flat plate |
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Application publication date: 20120926 |