CN204446522U - Based on hyperacoustic intelligent blind-guiding device - Google Patents

Based on hyperacoustic intelligent blind-guiding device Download PDF

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Publication number
CN204446522U
CN204446522U CN201520005151.6U CN201520005151U CN204446522U CN 204446522 U CN204446522 U CN 204446522U CN 201520005151 U CN201520005151 U CN 201520005151U CN 204446522 U CN204446522 U CN 204446522U
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China
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circuit
central processing
processing circuit
matrix
module
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Expired - Fee Related
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CN201520005151.6U
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Chinese (zh)
Inventor
汤若男
吴燕
张耀文
何密
杜建伟
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Third Military Medical University TMMU
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Third Military Medical University TMMU
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Abstract

The one that this utility model provides is based on hyperacoustic intelligent blind-guiding device, comprise matrix, ultrasonic emitting head, two ultrasound wave Receivers and control guide unit, described ultrasonic emitting head and ultrasound wave Receiver are all arranged at the front end of described matrix and are located along the same line, described ultrasonic emitting head is between two ultrasound wave Receivers and spacing is equal, described control guide unit is arranged at described matrix, and ultrasonic emitting head and ultrasound wave Receiver are all connected with control guide unit; Accurately comprehensively environmental information can be provided to user, and can the accurately orientation of disturbance in judgement thing and distance, correct action guide is made to user, by speech recognition input command information, facilitates blind person to use.

Description

Based on hyperacoustic intelligent blind-guiding device
Technical field
This utility model relates to a kind of guide equipment, particularly relates to a kind of based on hyperacoustic intelligent blind-guiding device.
Background technology
Blind person more and more receives the concern of people as a class specific group, how to strengthen its self-care ability, widens its field of operations and the focus becoming and pay close attention to blind person of improving the quality of living.
In prior art, following several mode is had: seeing-eye dog in order to help the free activity of blind person, blind guiding stick, blind-guidance robot etc., wherein seeing-eye dog and traditional blind guiding stick use the most extensive, although seeing-eye dog and blind guiding stick can carry out simple road navigation for blind person, but the thing that external information (identification etc. of such as deathtrap) remains very difficulty is obtained for blind person, therefore, there is again intelligent blind-guiding hands cane in the development along with science and technology, the guide apparatus such as blind-guidance robot, but still there are the following problems for current blind guiding stick and blind-guidance robot: such as blind-guidance robot manufacturing cost is high, and manufacturing cost is high, be not easy to carry, especially at ladder road, slopes etc. are difficult to use more, and intelligent blind-guiding walking stick is equally by the restriction that manufacturing cost is high, be difficult to be applied.
Therefore, need to propose a kind of new guide equipment, the information of blind person's Obtaining Accurate external environment can be helped, make correct action and guide, and easy and simple to handle, easily manufactured, with low cost.
Utility model content
In view of this, the purpose of this utility model is to provide one based on hyperacoustic intelligent blind-guiding device, can help the information of blind person's Obtaining Accurate external environment, makes correct action and guides, and easy and simple to handle, easily manufactured, with low cost.
The one that this utility model provides is based on hyperacoustic intelligent blind-guiding device, comprise matrix, ultrasonic emitting head, two ultrasound wave Receivers and control guide unit, described ultrasonic emitting head and ultrasound wave Receiver are all arranged at the front end of described matrix and are located along the same line, described ultrasonic emitting head is between two ultrasound wave Receivers and spacing is equal, described control guide unit is arranged at described matrix, and ultrasonic emitting head and ultrasound wave Receiver are all connected with control guide unit;
Described control guide unit at least comprises GPS locating module, image capture module, three ultrasonic transducers, advance signal processing module, sound identification module, voice output module and central processing circuits, described GPS locating module, sound identification module, image capture module and voice output module are all connected with described central processing circuit, described ultrasonic launching head and two ultrasonic reception heads and three ultrasonic transducers connect one to one, and ultrasonic transducer is connected with described central processing circuit by advance signal processing module.
Further, described advance signal processing module comprises transducer driving circuit, signal acquisition circuit, preposing signal process circuit and clock circuit, described transducer driving circuit is electrically connected with central processing circuit, the outfan of described transducer driving circuit is connected with ultrasonic transducer, described ultrasonic transducer is also connected with described signal acquisition circuit, the outfan of signal acquisition circuit is connected with preposing signal process circuit, and described preposing signal process circuit is connected with clock circuit and central processing circuit and carries out data interaction.
Further, described image capture module comprises two photographic head and image processing circuit, one of them photographic head be arranged at matrix and before matrix oblique below, another photographic head is arranged at matrix and towards the dead ahead of matrix, described photographic head is connected with image processing circuit, and the outfan of image processing circuit is electrically connected with described central processing circuit.
Further, described voice output module comprises speech conversion chip and speaker, and the input of described speech conversion chip is electrically connected with central processing circuit, and outfan is electrically connected with speaker; Or
Described voice output module comprises speech conversion chip and Bluetooth transmission circuit, the input of described speech conversion chip is electrically connected with central processing circuit, outfan is connected with the input of Bluetooth transmission circuit, and Bluetooth transmission circuit is by being connected with the bluetooth earphone of its coupling.
Further, described blind-guide device also comprises two mini vibrators being arranged at the matrix left and right sides, and the input of described mini vibrator is electrically connected with central processing circuit.
Further, described guide controls guide unit and also comprises range sensor, velocity sensor and infrared temperature sensor, and the outfan of described range sensor, velocity sensor and infrared temperature sensor is all electrically connected with described central processing circuit.
Further, described guide control guide unit also comprises the wireless transport module be electrically connected with central processing circuit.
Further, the tail end end of described matrix is foldably provided with gripping handle, and described gripping handle is fixedly installed bracelet, and described handle is also provided with the holding power transducer be electrically connected with described central processing circuit.
The beneficial effects of the utility model: of the present utility model based on hyperacoustic intelligent blind-guiding device, comprehensively environmental information can be provided accurately to user, and can the accurately orientation of disturbance in judgement thing and distance, make correct action to user to guide, by speech recognition input command information, blind person is facilitated to use; And easily manufactured, with low cost, be easy to promote.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view in Fig. 1.
Fig. 3 is the schematic block circuit diagram of the first embodiment of the present utility model.
Fig. 4 is the schematic block circuit diagram of the second embodiment of the present utility model.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, Fig. 2 is the top view in Fig. 1, Fig. 3 is the schematic block circuit diagram of the first embodiment of the present utility model, Fig. 4 is the schematic block circuit diagram of the second embodiment of the present utility model, as shown in the figure, the one that this utility model provides is based on hyperacoustic intelligent blind-guiding device, comprise matrix 1, ultrasonic emitting 5, two ultrasound wave Receivers 4 and control guide unit 3, described ultrasonic emitting 5 and ultrasound wave Receiver 4 are all arranged at the front end of described matrix 1 and are located along the same line, described ultrasonic emitting 5 is between two ultrasound wave Receivers 4 and spacing is equal, described control guide unit 3 is arranged at described matrix 1, ultrasonic emitting 5 and ultrasound wave Receiver 4 are all connected with control guide unit 3,
Described control guide unit 3 at least comprises GPS locating module, image capture module, three ultrasonic transducers, advance signal processing module, sound identification module, voice output module and central processing circuits, described GPS locating module, sound identification module, image capture module and voice output module are all connected with described central processing circuit, described ultrasonic launching head and two ultrasonic reception heads and three ultrasonic transducers connect one to one, and ultrasonic transducer is connected with described central processing circuit by advance signal processing module; Of the present utility model based on hyperacoustic intelligent blind-guiding device, accurately comprehensively environmental information can be provided to user, and can the accurately orientation of disturbance in judgement thing and distance, correct action guide is made to user, by speech recognition input command information, blind person is facilitated to use; And easily manufactured, with low cost, be easy to promote.Wherein:
Sound identification module is voice recognition chip and carries existing voice software, and the LD3320 chip of voice recognition chip such as ICRoute company, certain voice recognition chip is unspecified person chip, and is furnished with the microphone of phonetic entry.
GPS locating module adopts existing GPS circuit, and GPS locating module is by carrying out the geographical position of data interaction determination user with satellite, and to central processing circuit output position information, when blind person is by voice recognition chip input target location, speech conversion is the central processing circuit machine language that can identify and is transferred in GPS locating module by central processing circuit by command information by voice recognition chip, carry out target by GPS locating module to search, path planning etc., and program results is transferred to central processing circuit and is exported by voice output module again.
Central processing circuit, adopts existing single-chip microcomputer or IC chip.
As shown in Figure 1, central processing circuit controls ultrasonic transducer work, and make ultrasonic launching head and ultrasonic reception head in running order, as there is no echo-signal, then central processing circuit exports order and makes voice output module work, and passes on front clear to user, as ultrasound wave Receiver receives echo-signal, by advance signal processing module, echo-signal is processed, and calculated by the time difference receiving echo-signal of echo signal processing module to two Receivers, as left side ultrasound wave Receiver first receives echo-signal, so the time difference receiving echo-signal of the ultrasound wave Receiver of the left and right sides is t, time difference threshold value T is preset in advance signal processing module, as t≤T, then disturbance in judgement thing is positioned at the dead ahead of user direct of travel, central processing circuit controls voice output module and warns, as t > T, then disturbance in judgement thing is positioned at the left side of user direction of advance, central processing circuit controls voice output module and warns, the principle that right-side ultrasonic-wave Receiver first receives echo-signal is consistent with above-mentioned, therefore, by this kind of mode, just can help the accurate disturbance in judgement object space of user to, be convenient to user and make correct action and select.
In the present embodiment, described advance signal processing module comprises transducer driving circuit, signal acquisition circuit, preposing signal process circuit and clock circuit, described transducer driving circuit is electrically connected with central processing circuit, the outfan of described transducer driving circuit is connected with ultrasonic transducer, described ultrasonic transducer is also connected with described signal acquisition circuit, the outfan of signal acquisition circuit is connected with preposing signal process circuit, and described preposing signal process circuit is connected with clock circuit and central processing circuit and carries out data interaction.Wherein:
Signal acquisition circuit, adopts existing Acquisition Circuit, and the echo information that the ultrasonic transducer be connected with ultrasound wave Receiver exports is carried out pretreatment, enables preposing signal process circuit identify this echo-signal;
Clock circuit adopts existing clock circuit, and carries out timing to the time point that preposing signal process circuit receives echo-signal;
Preposing signal process circuit, adopts existing single-chip microcomputer or IC chip, presets time difference threshold value T, and the result of judgement is transferred to central processing circuit.
In the present embodiment, described image capture module comprises two photographic head 11 and image processing circuit, one of them photographic head 11 be arranged at matrix and before matrix 1 oblique below, another photographic head 11 is arranged at matrix 1 and towards the dead ahead of matrix, described photographic head 11 is connected with image processing circuit, and the outfan of image processing circuit is electrically connected with described central processing circuit; Wherein:
Image processing circuit adopts existing picture processing chip and is configured with existing software, wherein, before matrix, the photographic head of oblique below is for gathering information of road surface, such as whether road surface has hollow, or the zebra crossing of road, result is transferred to central processing circuit by picture processing chip, central processing circuit is pointed out by voice output module, towards the photographic head of the dead ahead of matrix for gathering the complaint message of dead ahead, the traffic light signal of main collection crossroad or road rotary island, because the gray scale of traffic light signal on image is different, as user reaches crossroad, the information of crossroad is sent to central processing circuit by image processing circuit, central processing circuit is by voice output module outputting alarm signal, reminding blind suspends and advances, as being red signal towards the camera collection of dead ahead to traffic light signal, central processing circuit continues to wait for by voice output module prompts user, after red signal becomes green light signals, then central processing circuit can be moved on by voice output module prompts user.
In the present embodiment, described voice output module comprises speech conversion chip and speaker, and the input of described speech conversion chip is electrically connected with central processing circuit, and outfan is electrically connected with speaker; Or
Described voice output module comprises speech conversion chip and Bluetooth transmission circuit, the input of described speech conversion chip is electrically connected with central processing circuit, outfan is connected with the input of Bluetooth transmission circuit, and Bluetooth transmission circuit is by being connected with the bluetooth earphone of its coupling; Wherein:
Speech conversion chip is existing single-chip microcomputer or IC chip, and the control signal of central processing circuit is converted to the bluetooth earphone that voice signal is sent to user by speaker or Bluetooth transmission circuit and points out.
In the present embodiment, described blind-guide device also comprises two mini vibrators 2 being arranged at the matrix left and right sides, the input of described mini vibrator 2 is electrically connected with central processing circuit, mini vibrator can carry out the vibrations of different brightness, such as barrier is positioned at the left side of blind person's direction of advance, and the mini vibrator being so positioned at the left side of matrix vibrates under the control of central processing circuit; As barrier is positioned at the right side of blind person's direction of advance, the mini vibrator being so positioned at the right side of matrix vibrates under the control of central processing circuit; As barrier is positioned at the dead ahead of blind person, so two mini vibrators are then pointed out by the mode vibrated simultaneously, by the effect of mini vibrator, can guarantee that the information that central processing circuit exports is communicated to blind person, prevent blind person in a noisy environment from cannot obtain information; If blind person is in traveling process, central processing circuit outputs information, but blind person does not make the behavior (namely the distance of blind person and barrier reduces gradually) of avoiding obstacles, so exported the while that control command controlling two mini vibrators by central processing circuit and shake in the mode of interrupted oscillating.
In the present embodiment, described guide controls guide unit and also comprises range sensor 9, velocity sensor 10 and infrared temperature sensor 12, the outfan of described range sensor 9, velocity sensor 10 and infrared temperature sensor 12 is all electrically connected with described central processing circuit, by the effect of range sensor, accurately can learn the distance between blind person and barrier, be convenient to central processing circuit and point out according to this distance; Velocity sensor can learn whether barrier is static or moving object, the vehicle such as travelled, according to the signal that velocity sensor exports, central processing circuit makes prompting by voice output module, and infrared temperature sensor can help blind person to avert danger region, such as avoids burning things which may cause a fire disaster etc., certain each sensor all adopts microsensor and is arranged at the forward end of matrix, be convenient to be integrated on matrix, the volume of reduction means, is convenient for carrying.
In the present embodiment, described guide controls guide unit 3 and also comprises the wireless transport module be electrically connected with central processing circuit, by the effect of wireless transport module, can be this device and other-end such as hands machine, computer connects, the trend of blind person family members kith and kin to blind person is facilitated to understand, if blind person runs into emergency situations outside, also residing situation can be informed by sound identification module, then be transferred to by wireless transport module by central processing circuit in the terminal of family members of blind person, be convenient to timely treatment situation, wireless transport module can adopt GPRS module or 3G module.
In the present embodiment, the tail end end of described matrix 1 is foldably provided with gripping handle 8, in the present embodiment, described matrix and gripping handle adopt hinged mode to be connected, when not using, handle and matrix are folded, be convenient for carrying, described gripping handle 8 is fixedly installed bracelet 7, described handle 8 is also provided with the holding power transducer 6 be electrically connected with described central processing circuit, by this structure, user-friendly, and under emergency situations, when central processing circuit detects that holding power transducer has output, by wireless transport module, the positional information of user and warning message are sent in the terminal of its family members equally.
In the present embodiment, each parts in above-mentioned are except each sensor and information gathering parts, and other parts such as treatment circuit etc. is all arranged at the inside of matrix.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail this utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (8)

1. one kind based on hyperacoustic intelligent blind-guiding device, it is characterized in that: comprise matrix, ultrasonic emitting head, two ultrasound wave Receivers and control guide unit, described ultrasonic emitting head and ultrasound wave Receiver are all arranged at the front end of described matrix and are located along the same line, described ultrasonic emitting head is between two ultrasound wave Receivers and spacing is equal, described control guide unit is arranged at described matrix, and ultrasonic emitting head and ultrasound wave Receiver are all connected with control guide unit;
Described control guide unit at least comprises GPS locating module, image capture module, three ultrasonic transducers, advance signal processing module, sound identification module, voice output module and central processing circuits, described GPS locating module, sound identification module, image capture module and voice output module are all connected with described central processing circuit, described ultrasonic launching head and two ultrasonic reception heads and three ultrasonic transducers connect one to one, and ultrasonic transducer is connected with described central processing circuit by advance signal processing module.
2. according to claim 1 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: described advance signal processing module comprises transducer driving circuit, signal acquisition circuit, preposing signal process circuit and clock circuit, described transducer driving circuit is electrically connected with central processing circuit, the outfan of described transducer driving circuit is connected with ultrasonic transducer, described ultrasonic transducer is also connected with described signal acquisition circuit, the outfan of signal acquisition circuit is connected with preposing signal process circuit, described preposing signal process circuit is connected with clock circuit and central processing circuit and carries out data interaction.
3. according to claim 1 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: described image capture module comprises two photographic head and image processing circuit, one of them photographic head be arranged at matrix and before matrix oblique below, another photographic head is arranged at matrix and towards the dead ahead of matrix, described photographic head is connected with image processing circuit, and the outfan of image processing circuit is electrically connected with described central processing circuit.
4. according to claim 1 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: described voice output module comprises speech conversion chip and speaker, the input of described speech conversion chip is electrically connected with central processing circuit, and outfan is electrically connected with speaker; Or
Described voice output module comprises speech conversion chip and Bluetooth transmission circuit, the input of described speech conversion chip is electrically connected with central processing circuit, outfan is connected with the input of Bluetooth transmission circuit, and Bluetooth transmission circuit is by being connected with the bluetooth earphone of its coupling.
5. according to the arbitrary claim of claim 1-4 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: described blind-guide device also comprises two mini vibrators being arranged at the matrix left and right sides, and the input of described mini vibrator is electrically connected with central processing circuit.
6. according to claim 5 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: described guide controls guide unit and also comprises the range sensor, velocity sensor and the infrared temperature sensor that are arranged at matrix front end, and the outfan of described range sensor, velocity sensor and infrared temperature sensor is all electrically connected with described central processing circuit.
7. according to claim 6 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: described guide controls guide unit and also comprises the wireless transport module be electrically connected with central processing circuit.
8. according to claim 7 based on hyperacoustic intelligent blind-guiding device, it is characterized in that: the tail end end of described matrix is foldably provided with gripping handle, described gripping handle is fixedly installed bracelet, and described handle is also provided with the holding power transducer be electrically connected with described central processing circuit.
CN201520005151.6U 2015-01-06 2015-01-06 Based on hyperacoustic intelligent blind-guiding device Expired - Fee Related CN204446522U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105187545A (en) * 2015-09-25 2015-12-23 苏州佳世达光电有限公司 Car-to-car communication system and car-to-car communication method
CN105187998A (en) * 2015-10-20 2015-12-23 张浩杰 Supersonic wave induction electron connected loudspeaker
CN105902369A (en) * 2016-06-14 2016-08-31 南昌大学 Intelligent trolley health surveillance device capable of achieving real-time tracking
CN106038183A (en) * 2016-06-29 2016-10-26 冯伟林 Wearable device and navigation system for blind people
CN106214436A (en) * 2016-07-22 2016-12-14 上海师范大学 A kind of intelligent blind guiding system based on mobile phone terminal and blind-guiding method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105187545A (en) * 2015-09-25 2015-12-23 苏州佳世达光电有限公司 Car-to-car communication system and car-to-car communication method
CN105187998A (en) * 2015-10-20 2015-12-23 张浩杰 Supersonic wave induction electron connected loudspeaker
CN105187998B (en) * 2015-10-20 2018-11-13 张浩杰 A kind of ultrasonic sensing electronic conjoined loud speaker
CN105902369A (en) * 2016-06-14 2016-08-31 南昌大学 Intelligent trolley health surveillance device capable of achieving real-time tracking
CN106038183A (en) * 2016-06-29 2016-10-26 冯伟林 Wearable device and navigation system for blind people
CN106214436A (en) * 2016-07-22 2016-12-14 上海师范大学 A kind of intelligent blind guiding system based on mobile phone terminal and blind-guiding method thereof

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150708

Termination date: 20160106