CN105022068A - Offshore wind power generation base monitoring device using sonar and image analysis - Google Patents
Offshore wind power generation base monitoring device using sonar and image analysis Download PDFInfo
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- CN105022068A CN105022068A CN201410153230.1A CN201410153230A CN105022068A CN 105022068 A CN105022068 A CN 105022068A CN 201410153230 A CN201410153230 A CN 201410153230A CN 105022068 A CN105022068 A CN 105022068A
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- image
- generation base
- power generation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/86—Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
Abstract
The invention provides an offshore wind power generation base monitoring device using a sonar and image analysis. The device comprises an acoustic detection portion, a control portion, an acoustic warning portion and a management computer, wherein the acoustic detection portion perceives a distance and a direction of a target object approaching a wind power generation base from a periphery of the wind power generation base and sends to the control portion; the control portion confirms whether the target object possesses a rightful authority of entering into an internal portion of the wind power generation base; if the target object does not possess the rightful authority, a reasonless approaching fact of the target object is wirelessly sent to the management computer; the acoustic warning portion accesses a signal from one of the control portion or the management computer and automatically sends out an acoustic warning sound used for preventing approaching to a direction of the target object; the management computer wirelessly receives and stores an approaching fact of the target object without the rightful authority of entering into the internal portion of the wind power generation base.
Description
Technical field
The present invention relates to the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer.
Background technology
Ebrean Registered Patent 10-1257097 linear array sonar and target orientation detecting method thereof disclose a kind of linear array sonar, comprising: acoustic sensor, and it is multiple, in linear array, receive acoustic signal; Target discovery device, it forms wave beam, finds out target signal from described acoustic signal, exports target orientation and target distance; And orientation retriever, its with the angle of arrival of the sound ray determined by the bang path of described target signal for basis, the error in target orientation described in correction; The sound ray of the strongest bang path of acoustic pressure in the sound ray that retriever search in described orientation is determined by the bang path of described target signal, with the angle of arrival of the sound ray determined by the strongest bang path of described acoustic pressure for basis, the error in target orientation described in correction.
Prior art Problems existing is, the fishing boat of operation or the boats and ships of navigation, for no reason close to the Oversea wind power generation base that offshore wind generating is intensive, once clash into foundation pile with huge momentum, then bring about great losses.In addition, the object of the weight such as the useless container on hulk or land is when the disaster such as typhoon, tsunami, close to the Oversea wind power generation base being arranged near shore, because of great waves etc. and after accelerating, the foundation pile supporting wind generator device is clashed into huge momentum, make base-pile tilt or depart from vertical state, cause the problem that aerogenerator cannot use.In addition, maintenance foundation pile needs the equipment the same when the new foundation pile of sea-bottom embedment, effort and expense, and be subject to the impact of adjacent supports foundation pile, weight equipment sometimes cannot be close, thus when foundation pile stationarity and vertically property sustains damage time, there is the problem almost cannot keeped in repair.At present, do not exist monitor non-through license object proximity Oversea wind power generation base in first technology.
Summary of the invention
The present invention proposes a kind of Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer; for the boats and ships of the fishing boat or navigation that prevent operation are for no reason close to the Oversea wind power generation base that offshore wind generating is intensive; foundation pile is damaged; all the time object proximity Oversea wind power generation base periphery can be monitored; boats and ships or object for no reason close to time; take to send the measures such as warning tones, protection wind-power electricity generation base.
Technical scheme of the present invention is achieved in that
Utilize an Oversea wind power generation base monitoring arrangement for sonar and image analysing computer, comprising:
Sound equipment finds out portion 100, and the distance L of its perception peripheral object T close to wind-power electricity generation base from wind-power electricity generation base and direction D, sends to control part 200;
Control part 200, it confirms whether described object T has the proper authority ID that can enter inside, wind-power electricity generation base, if be judged as not having proper authority ID, then for no reason approximating to the facts of object T is wirelessly sent to supervisory computer 400;
Audible warning sound portion 300, it is from access signal one of described control part 200 or supervisory computer 400, and the direction existed to object T is sent for preventing close audible warning sound sound automatically;
Supervisory computer 400, it is from described control part 200 wireless receiving and storage can not enter approximating to the facts of the object T of the proper authority ID of inside, wind-power electricity generation base.
Alternatively, the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer of the present invention, also comprise image and find out portion 500, it takes the peripheral object T close to wind-power electricity generation base from wind-power electricity generation base with camera, filmed image is analyzed, perception, judge that whether close object T is, send to control part 200;
It is that the signal of video signal of the object T without proper authority ID is wirelessly sent to supervisory computer 400 that described control part 200 finds out the judgement of taking in portion 500 described image.
Alternatively, described control part 200 prestores the id information about proper authority, or accepts transmission from supervisory computer 400 in real time,
When the id information of the object received from described object T prestores with control part 200 or the real-time id information transmitted from supervisory computer 400 is consistent, control part 200 is judged as that object T has proper authority.
Alternatively, described sound equipment is found out portion 100 and is made up of sound wave sending part 110 and sound wave acceptance division 150;
Described sound wave sending part 110 comprises: signal generating unit 111, and it generates signal waveform; 1D/A converter section 113, the acoustic signals that its described signal generating unit 111 generates is converted to simulating signal;
1st enlarging section 115, it amplifies the simulating signal of described D/A converter section 113; Send transducer 117, its electric signal amplified converts sound wave to;
Described acoustic receiver portion 150 comprises:
Receiving transducer 151, it receives reflective sound wave, is converted to electric signal;
2nd enlarging section 153, it amplifies the electric signal transmitted from described receiving transducer 151; 2D/A converter section 155, its electric signal transmitted from described 2nd enlarging section 153 converts digital signal to; Range direction calculating part 157, it is analyzed the reflective sound wave coherent signal that described 2D/A converter section 155 transmits, and calculates distance L and the direction D of object T.
Alternatively, described image is found out portion 500 and is comprised:
Camera, it comprises the filming image portion 10 of photographic subjects thing T;
Image store portion 30, its image store utilizing described filming image portion 10 to take is image frame F;
Image analysing computer portion 50, it is when the image frame that there is not front step is with the object T prestored, compare image frame to one that selects in background video frame and compare analysis with the analytic target image frame F becoming analytic target, analyze and whether there is emerging object T and whether close at background frame.
Alternatively, described image analysing computer portion 50, when the image frame of front step does not exist with the object T that prestores, compares image frame to one that selects in background video frame and analytic target image frame F compares analysis,
If the difference of the light and shade value of the pixel value more than given area of image frame or color data is more than given area, be then judged as newly occurring object T at background frame.
Alternatively, described image analysing computer portion 50 utilizes background removal approach, when object T does not exist, after extracting from background video frame and analytic target image frame the object T-phase pass Pixel Information eliminating background information,
The object T-phase eliminating background information described in utilization closes Pixel Information, again extract the marginal information of object T, marginal information and the marginal information of the boats and ships image pre-entered of the object T relatively so extracted, judge whether close object T is boats and ships.
Alternatively, described audible warning sound portion 300 is high directionality high power sound speaker,
Described audible warning sound portion 300 comprises:
Rear main part 310, it has circumferential body 310b in the outside of squab panel 310a;
Sound equipment output element 320, it is 6 ~ 10, along the inner peripheral surface of described circumferential body 310b, configures towards the center of circle with homogeneous interval;
Conical camber portion of heart portion 330, its center from described squab panel 310a is forwards protruded taperedly;
Expansion curved surface 350, it forwards expands formation;
Central authorities' shell 340, it connects the rear of described squab panel 310a and described expansion curved surface 350, surrounds described sound equipment output element 320.
The invention has the beneficial effects as follows:
(1) effectively prevent the boats and ships of the fishing boat of operation or navigation for no reason close to the Oversea wind power generation base that offshore wind generating is intensive, foundation pile is damaged;
(2) object proximity Oversea wind power generation base periphery can be monitored all the time, boats and ships or object for no reason close to time, take to send the measure such as warning tones, protection wind-power electricity generation base.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Oversea wind power generation base monitoring arrangement using state figure utilizing sonar and image analysing computer of one embodiment of the invention;
Fig. 2 is the Oversea wind power generation base monitoring arrangement pie graph utilizing sonar and image analysing computer of one embodiment of the invention;
Fig. 3 is the sonar pie graph utilized in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer of one embodiment of the invention;
Fig. 4 (a, b, c) is the audible warning sound portion pie graph of one embodiment of the invention;
Fig. 5 is the control block diagram utilizing the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer of one embodiment of the invention.
< symbol description >
100: sound equipment finds out portion
200: control part
300: audible warning sound portion
400: supervisory computer
500: portion found out by image
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer of one embodiment of the invention, comprises sound equipment and finds out portion 100, control part 200, audible warning sound portion 300 and supervisory computer 400.Sound equipment finds out distance L and the direction D of portion 100 perception peripheral object T close to wind-power electricity generation base from wind-power electricity generation base, sends to control part 200.Control part 200 confirms whether object T has the proper authority ID that can enter inside, wind-power electricity generation base, if be judged as not having proper authority ID, then for no reason approximating to the facts of object T is wirelessly sent to supervisory computer 400.
In addition, as shown in Figure 1 to Figure 2, audible warning sound portion 300 is from access signal one of control part 200 or supervisory computer 400, and the direction existed to object T is sent automatically for preventing close audible warning sound sound.Supervisory computer 400 is from described control part 200 wireless receiving and storage can not enter approximating to the facts of the object T of the proper authority ID of inside, wind-power electricity generation base.
As shown in Figure 1 to Figure 2, utilize in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer in one embodiment of the invention, preferably, also comprise image and find out portion 500, it takes the peripheral object T close to wind-power electricity generation base from wind-power electricity generation base with camera, filmed image is analyzed, perception, judge that whether close object T is, send to control part 200, the direction D being judged as the object T without proper authority ID is received from control part 200, take described object T, send to control part 200; It is that the signal of video signal of the object T without proper authority ID is wirelessly sent to supervisory computer 400 that control part 200 finds out the judgement of taking in portion 500 described image.
As shown in Figure 1 to Figure 2, utilize in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer in one embodiment of the invention, preferably, control part 200 prestores the id information about proper authority, or accept transmission from supervisory computer 400 in real time, when the id information that the id information of the object of the reception from object T to prestore with control part 200 or transmits from supervisory computer 400 is in real time consistent, control part 200 is judged as that object T has proper authority.
As shown in Figure 1 to Figure 3, utilize in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer in one embodiment of the invention, sound equipment is found out portion 100 and is made up of sound wave sending part 110 and sound wave acceptance division 150.Sound wave sending part 110 comprises: signal generating unit 111, and it generates signal waveform; 1D/A converter section 113, the acoustic signals that its described signal generating unit 111 generates is converted to simulating signal; 1st enlarging section 115, it amplifies the simulating signal of described 1D/A converter section 113; Send transducer 117, its electric signal amplified converts sound wave to.Preferred acoustic receiver portion 150 comprises: receiving transducer 151, and it receives reflective sound wave, is converted to electric signal; 2nd enlarging section 153, it amplifies the electric signal transmitted from receiving transducer 151; 2D/A converter section 155, its electric signal transmitted from described 2nd enlarging section 153 converts digital signal to; Range direction calculating part 157, it is analyzed the reflective sound wave coherent signal that described 2D/A converter section 155 transmits, and calculates distance L and the direction D of object T.
As shown in Figure 1, Figure 2, Fig. 4 a, b, shown in c, utilize in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer in one embodiment of the invention, preferably, audible warning sound portion 300 is high directionality high power sound speaker, and audible warning sound portion 300 comprises: rear main part 310, and it has circumferential body 310b in the outside of squab panel 310a; Sound equipment output element 320, it is 6 ~ 10, along the inner peripheral surface of circumferential body 310b, configures towards the center of circle with homogeneous interval; Conical camber portion of heart portion 330, its center from squab panel 310a is forwards protruded taperedly; Expansion curved surface 350, it forwards expands formation; Central authorities' shell 340, it connects the rear of squab panel 310a and described expansion curved surface 350, surrounds described sound equipment output element 320.
As shown in Fig. 2, Fig. 5, the present invention also comprises image and finds out portion 500, and it takes the peripheral object T close to wind-power electricity generation base from wind-power electricity generation base with camera, analyzes filmed image, perception, judge that whether close object T is, send to control part 200.Preferred image is found out portion 500 and is comprised: camera, and it comprises the filming image portion 10 of photographic subjects thing T; Image store portion 30, its image store utilizing described filming image portion 10 to take is image frame F; Image analysing computer portion 50, it is when the image frame that there is not front step is with the object T prestored, compare image frame to one that selects in background video frame and compare analysis with the analytic target image frame F becoming analytic target, analyze and whether there is emerging object T and whether close at background frame.
As shown in Fig. 2, Fig. 5, utilize in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer of the present invention, image analysing computer portion 50, when the image frame of front step does not exist with the object T that prestores, compares image frame to one that selects in background video frame and analytic target image frame F compares analysis.If the difference of the light and shade value of the pixel value more than given area of image frame or color data is more than given area, be then judged as newly occurring object T at background frame.
As Fig. 2, shown in Fig. 5, utilize in the Oversea wind power generation base monitoring arrangement of sonar and image analysing computer of the present invention, image analysing computer portion 50 can utilize background removal approach (Back Ground Substraction), when object T does not exist, after extracting from background video frame and analytic target image frame the object T-phase pass Pixel Information eliminating background information, the object T-phase eliminating background information is utilized to close Pixel Information, again extract the marginal information of object T, the marginal information of the object T relatively so extracted and the marginal information of the boats and ships image pre-entered, judge whether close object T is boats and ships.
The Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer of the present invention, effectively can prevent the boats and ships of the fishing boat of operation or navigation for no reason close to the Oversea wind power generation base that offshore wind generating is intensive, foundation pile is damaged; And, object proximity Oversea wind power generation base periphery can be monitored all the time, boats and ships or object for no reason close to time, take to send the measure such as warning tones, protection wind-power electricity generation base.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. utilize an Oversea wind power generation base monitoring arrangement for sonar and image analysing computer, it is characterized in that, comprising:
Sound equipment finds out portion (100), and the distance (L) of its perception peripheral object (T) close to wind-power electricity generation base from wind-power electricity generation base and direction (D), send to control part (200);
Control part (200), it confirms whether described object (T) has the proper authority (ID) that can enter inside, wind-power electricity generation base, if be judged as that not there is proper authority (ID), then for no reason approximating to the facts of object (T) is wirelessly sent to supervisory computer (400);
Audible warning sound portion (300), it, from access signal one of described control part (200) or supervisory computer (400), is sent to the direction that object (T) exists automatically for preventing close audible warning sound sound;
Supervisory computer (400), it is from described control part (200) wireless receiving and storage can not enter approximating to the facts of object (T) of the proper authority (ID) of inside, wind-power electricity generation base.
2. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 1, is characterized in that,
Also comprise image and find out portion (500), it takes the peripheral object (T) close to wind-power electricity generation base from wind-power electricity generation base with camera, filmed image is analyzed, perception, judge that whether close object (T) is, send to control part (200);
It is that the signal of video signal of the object (T) without proper authority (ID) is wirelessly sent to supervisory computer (400) that described control part (200) finds out the judgement of taking in portion (500) described image.
3. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 1, is characterized in that,
Described control part (200) prestores the id information about proper authority, or accepts transmission from supervisory computer (400) in real time,
When the id information that the id information of the object received from described object (T) to prestore with control part (200) or transmits from supervisory computer (400) is in real time consistent, control part (200) is judged as that object (T) has proper authority.
4. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 1, is characterized in that,
Described sound equipment is found out portion (100) and is made up of sound wave sending part (110) and sound wave acceptance division (150);
Described sound wave sending part (110) comprising: signal generating unit (111), and it generates signal waveform; 1D/A converter section (113), the acoustic signals that its described signal generating unit (111) generates is converted to simulating signal;
1st enlarging section (115), it amplifies the simulating signal of described D/A converter section (113); Send transducer (117), its electric signal amplified converts sound wave to;
Described acoustic receiver portion (150) comprising:
Receiving transducer (151), it receives reflective sound wave, is converted to electric signal;
2nd enlarging section (153), it amplifies the electric signal transmitted from described receiving transducer (151); 2D/A converter section (155), its electric signal transmitted from described 2nd enlarging section (153) converts digital signal to; Range direction calculating part (157), it is analyzed the reflective sound wave coherent signal that described 2D/A converter section (155) is transmitted, and calculates distance (L) and direction (D) of object (T).
5. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 2, is characterized in that,
Described image is found out portion (500) and being comprised:
Camera, it comprises the filming image portion (10) of photographic subjects thing (T);
Image store portion (30), its image store utilizing described filming image portion (10) to take is image frame (F);
Image analysing computer portion (50), it is when the image frame that there is not front step is with object (T) that prestore, compare image frame to one that selects in background video frame and compare analysis with the analytic target image frame (F) becoming analytic target, analyze and whether there is emerging object (T) and whether close at background frame.
6. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 5, is characterized in that,
Described image analysing computer portion (50), when the image frame of front step does not exist with the object (T) that prestores, compares image frame to one that selects in background video frame and analytic target image frame (F) compares analysis,
If the difference of the light and shade value of the pixel value more than given area of image frame or color data is more than given area, be then judged as newly occurring object (T) at background frame.
7. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 5, is characterized in that,
Described image analysing computer portion (50) utilizes background removal approach, when object (T) does not exist, after eliminating object (T) the related pixel information of background information from background video frame and the extraction of analytic target image frame,
Object (T) the related pixel information of background information is eliminated described in utilization, again extract the marginal information of object (T), marginal information and the marginal information of the boats and ships image pre-entered of the object (T) relatively so extracted, judge whether close object (T) is boats and ships.
8. the Oversea wind power generation base monitoring arrangement utilizing sonar and image analysing computer according to claim 1, is characterized in that,
Described audible warning sound portion (300) is high directionality high power sound speaker,
Described audible warning sound portion (300) comprising:
Rear main part (310), it has circumferential body (310b) in the outside of squab panel (310a);
Sound equipment output element (320), it is 6 ~ 10, along the inner peripheral surface of described circumferential body (310b), configures towards the center of circle with homogeneous interval;
Conical camber portion of heart portion (330), its center from described squab panel (310a) is forwards protruded taperedly;
Expansion curved surface (350), it forwards expands formation;
Central authorities' shell (340), it connects described squab panel (310a) and the rear of described expansion curved surface (350), surrounds described sound equipment output element (320).
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Application publication date: 20151104 |