CN103616763A - Industrial endoscope system and detection method using same - Google Patents
Industrial endoscope system and detection method using same Download PDFInfo
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- CN103616763A CN103616763A CN201310655923.6A CN201310655923A CN103616763A CN 103616763 A CN103616763 A CN 103616763A CN 201310655923 A CN201310655923 A CN 201310655923A CN 103616763 A CN103616763 A CN 103616763A
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Abstract
The invention discloses an industrial endoscope system and a detection method using the industrial endoscope system. The system comprises an endoscope unit, a USB interface unit, a main control unit and a display unit, wherein the endoscope unit is used for detecting an object to be detected, the USB interface unit is used for transmitting an image collected by the endoscope unit to the main control unit and transmitting an instruction of the main control unit to the endoscope unit, the main control unit is used for carrying out centralized control on the endoscope unit, processing the image and then transmitting the processed image to the display unit, the display unit comprises a display part and a button part, the display part is used for displaying the image, and the button part comprises a plurality of buttons and is used for inputting the external instruction and carrying out corresponding operations on the industrial endoscope system. Compared with the traditional CVBS video transmission technology used in the field of industrial endoscopes, the USB video transmission technology is used in the industrial endoscope system, and the industrial endoscope system has the advantages of being low in cost, high in transmission rate and the like.
Description
Technical field
The present invention relates to endoscopic technique field, a kind of method that relates in particular to industrial endoscope system and utilize this system to detect.
Background technology
Industrial endoscope, its function is for observing the position that naked eyes can not be observed, can be in the situation that not needing dismounting or destruction assembling and equipment out of service, realize Non-Destructive Testing, be widely used in each department of the modern core industry such as aviation, automobile, boats and ships, electric, chemical, electric power, coal gas, civil construction.Its ultimate principle is to receive by imageing sensors such as CCD the light that examined object reflection comes, convert this light to electric signal, by wire, signal is transported to video information process center again, these electric signal processes are stored and processed, finally be transferred in monitor and on screen and demonstrate the image of observing object, the quality of picture quality directly affects the result of use of endoscope.
Industrial endoscope of the prior art, by composite video broadcast singal (CVBS), carry out the data of transmitting image sensor, the method is that transmission speed is slow with analog transmission vision signal, bandwidth is low, and is easily subject to external environmental interference and makes image have striped and noise.Also need special CVBS decoding chip, just can deliver to video information process center processing, increased the complicacy of system.
At present, it is little that USB (universal serial bus) (USB) interface has interface volume, supports hot plug, and plug and play is compatible good, saves system resource and the low advantage of cost.The transfer rate of Usb2.0 reaches 480Mbps, and USB3.0 more can reach 5Gbps, is applicable to high quality, high definition video data.
Summary of the invention
In view of this, embodiments of the invention provide a kind of USB of utilization video transmission technologies to carry out the system and method for endoscope check, thereby have solved the problems referred to above.
First aspect present invention provides a kind of industrial endoscope system, comprising: endoscopic unit, USB (universal serial bus) (USB) interface unit, main control unit and display unit, wherein
Described endoscopic unit is for detecting examined object;
Described usb interface unit is for being sent to the image of described endoscopic unit collection main control unit and sending the instruction from main control unit to described endoscopic unit;
Described main control unit is for carrying out centralized control and described image is sent to described display unit after treatment described endoscopic unit; And
Described display unit comprises display part and button portion, wherein
Described display part is used for showing described image; And
Described button portion comprises a plurality of buttons, for inputting external command so that described industrial endoscope system is carried out to corresponding operating.
Alternatively, described endoscopic unit comprises:
Insertion section, for being inserted in described examined object place;
Image acquisition portion, for gathering the image at described examined object place and described image being processed.
Alternatively, described image acquisition portion comprises: image acquisition element, driving circuit, video processing circuits, A/D convertor circuit, compression processing circuit and central processing unit, wherein
Described image acquisition element is arranged in described insertion section and approaches described examined object place, for gathering the image at examined object place and carrying out opto-electronic conversion;
Described driving circuit is for generating the signal that drives described image acquisition element and the clock signal that is supplied to described video processing circuits;
Described video processing circuits is carried out Video processing to be converted to analog video signal and to export to described A/D convertor circuit for the signal to from described image acquisition element;
Described A/D convertor circuit is for being converted to data image signal by described analog video signal;
Described compression processing circuit is for compressing described data image signal;
Described central processing unit is for sending to described usb interface unit by the signal sequence after compression.
Alternatively, described usb interface unit comprises the first USB interface, USB cable and secondary USB interface, wherein
Described the first USB interface is arranged on described endoscopic unit side, for the image of described endoscopic unit collection being converted to the signal that can be transmitted by described USB cable;
Described secondary USB interface is arranged on described main control unit side, for the signal for being transmitted by described USB cable by the instruction transformation from main control unit.
Alternatively, described main control unit comprises internal bus, the central processing unit that is connected to separately described internal bus, storer and internal memory, wherein
Described internal bus receives the signal from described usb interface unit;
Described central processing unit reads the program in storer that is stored in and is written in described internal memory, and according to described program, the image from described endoscopic unit is presented in described display part and by described instruction and sends described endoscopic unit to.
Alternatively, described usb interface unit and described endoscopic unit and/or described main control unit are for removably connecting.
Alternatively, in described the first USB interface and/or secondary USB interface structure, adopt USB Host, MiniUSB or Micro USB interface.
Alternatively, described industrial endoscope system also comprises:
Light source; And
The light of light source transmitting is directed to the photoconduction at described examined object place.
Second aspect present invention provides a kind of method of utilizing above-mentioned industrial endoscope system to detect, comprises step:
Whether S1, detection have endoscopic unit to connect by usb interface unit, no, proceed to detect, and be to proceed to step S2;
S2, endoscope unit are enumerated;
S3, the image from endoscopic unit is sent to display unit show;
Whether S4, detection press the button, no, return to step S3, are to proceed to step S5;
Which button that S5, detection are pressed; And
The corresponding function of button that S6, execution are pressed, and after being finished, return to step S3.
Alternatively, in step S5, what press is the button that image attributes is set, and step S6 is step S6a, and command adapted thereto is sent to endoscopic unit by usb interface unit; Or
In step S5, what press is PICTURE/VIDEO button, and step S6 is step S6b, will between taking pictures and recording a video, switch; Or
In step S5, what press is STORE button, and step S6 is step S6c, if at exposal model, the image of demonstration is stored in storer with picture form; If in video recording pattern, the image of demonstration is stored in storer with visual form; Or
In step S5, what press is VIEW button, and step S6 is step S6d, and the image being stored in storer is presented on display part.
The present invention is by utilizing USB video transmission technologies to replace traditional CVBS video transmission technologies to carry out endoscope check, and it is compatible good to have, and cost is low, transfer rate is high, can transmit the advantages such as high-resolution video.
Accompanying drawing explanation
Fig. 1 shows the block diagram of the unitary construction of industrial endoscope system according to an embodiment of the invention;
Fig. 2 shows the block diagram of the structure of image acquisition portion according to an embodiment of the invention;
Fig. 3 shows the block diagram of the structure of USB (universal serial bus) (USB) interface unit according to an embodiment of the invention;
Fig. 4 shows the block diagram of the structure of main control unit according to an embodiment of the invention;
Fig. 5 shows the block diagram of the structure of display unit according to an embodiment of the invention; And
Fig. 6 shows the process flow diagram of endoscope check method according to an embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not full content.
Fig. 1 shows the block diagram of the unitary construction of industrial endoscope system according to an embodiment of the invention.According to the industrial endoscope system 1 of the embodiment shown in Fig. 1, comprise endoscopic unit 20, USB (universal serial bus) (USB) interface unit 30, main control unit 40 and display unit 50.
In embodiments of the invention, endoscopic unit 20 is connected by usb interface unit with main control unit 40, utilize usb interface unit to transmit for usb communication form by the image gathering from endoscopic unit 20 and from the instruction transformation of main control unit 40, on the one hand, extensive compatibility due to USB device, main control unit 40(such as laptop computer etc.) there is USB master controller, can support USB device, thereby no longer need special decoding chip, thereby reduced the complicacy of system, compatible good, saved system resource and cost; On the other hand, than traditional CVBS form, utilize usb communication form to transmit and have advantages of that transfer rate is fast.
Alternatively, usb interface unit 30 in the present embodiment and endoscopic unit 20 and/or main control unit 40 are for removably connecting, this facilitates the replacing of all parts when certain parts for example need to be changed to panel computer as the laptop computer of main control unit 40 therein, it is greatly convenient that this has brought to site work.
As shown in Figure 1, endoscopic unit 20 comprises for being inserted in the insertion section 200 at described examined object place and illustrating with dotted line frame for the 210(Fig. 1 of image acquisition portion that gathers the image at described examined object place and image is processed).Wherein insertion section 200 is preferably flexible conduit, and flexible pipe is for example convenient under the working environment of for example tortuous pipeline, the image acquisition element of endoscopic unit 20 be delivered to the position of examined object.
Alternatively, the industrial endoscope system 1 of embodiments of the invention also comprises that light source 2200 and the light that light source is launched are directed to the photoconduction 2210 at examined object place.Wherein, alternatively, light source 2200 can be one or more LED light sources, and after giving electricity, utilizing emitted light illuminates the position at examined object place through photoconduction 2210.Thisly be configured to detect dark surrounds convenience is provided.
Fig. 2 shows the block diagram of the structure of image acquisition portion 210 according to an embodiment of the invention.According to the image acquisition portion 210 of the embodiment shown in Fig. 2, comprise image acquisition element 2100, driving circuit 2105, video processing circuits 2110, A/D convertor circuit 2115, compression processing circuit 2120 and central processing unit 2125.
Driving circuit 2105 generates and drives the signal of image acquisition element 2100 and for being supplied to the clock signal of video processing unit 2110.Response is from the driving signal of driving circuit 2105, and image acquisition element 2100 is exported the signal obtaining by opto-electronic conversion, and this signal is input to video processing circuits 2110.
2110 pairs of signals from image acquisition element 2100 of video processing circuits are carried out Video processing to be converted to analog video signal and to export to A/D convertor circuit 2115.
A/D convertor circuit 2115 is converted to data image signal by the output signal of video processing circuits 2110 (for simulating signal).
The view data of being exported by A/D convertor circuit 2115 is input to compression processing circuit 2120, and this compression processing circuit 2120 is used the compression method that is suitable for this input image data to compress this view data.Wherein, alternatively, image compression format is RGB, YUV or JPEG.
The view data of compression can write in the memory storage of random-access memory (ram) formation, and RAM is controlled by CPU2125 so that the view data being written in RAM can be read by CPU2125.
CPU2125 by connector 2130(for example for the slot of the first USB interface as shown in Figure 3 of pegging graft) order sends view data to usb interface unit 30.
Fig. 3 shows the block diagram of the structure of usb interface unit 30 according to an embodiment of the invention.
Especially, the first USB interface 300 is by the slot for example of connector 2130(as shown in Figure 2) be removably connected with endoscopic unit 20.
Especially, secondary USB interface 310 is by the slot for example of connector 435(as shown in Figure 4) be removably connected with main control unit 40.
Alternatively, in the first USB interface 300 and/or secondary USB interface 310 physical constructions, adopt USB Host, MiniUSB or Micro USB interface, it is little that such interface has footprint, joint space-efficient advantage.The first USB interface 300 and/or secondary USB interface 310 adopt USB2.0 or USB3.O standard in standard.The transfer rate of USB2.0 reaches 480Mbps, and USB3.0 more can reach 5Gbps, is applicable to high quality, high definition video data.
Fig. 4 shows the block diagram of the structure of main control unit 40 according to an embodiment of the invention.
The signal that internal bus 400 for example receives from usb interface unit 30 by connector 435.
CPU405 carries out the integral body of main control unit 40 is controlled.CPU405 reads the program in storer 415 that is stored in and is written in described internal memory 415, and according to described program, the image from endoscopic unit is presented in display unit 50 and sends instruction (for example, corresponding to the external command of certain button of pressing the button portion of Fig. 5) to endoscopic unit 20.Wherein carry out described program and realize the operation to industrial endoscope system of the present invention.
Shown in Fig. 4 is that mode with internal bus connects all parts, but this this is only an example, can understand, after having read instructions of the present invention, those skilled in the art can design various frameworks, as long as can realize the function that main control unit of the present invention is realized.
Fig. 5 shows the block diagram of the structure of display unit 50 according to an embodiment of the invention.
The view data being gathered by the image acquisition element 2100 of the endoscopic unit 20 of Fig. 2 is presented in the display part 500 of display unit 50, and display part 500 is for example LCD display.Various function buttons are arranged in button portion 510.In one embodiment, the button in button portion is entity button, is arranged in display part around, and corresponding function is carried out by touching the button.In another embodiment, display part and button portion are the regions in touch panel, and button is virtual push button, and corresponding function is carried out by touch the button (touching described virtual push button).Button is divided into button and the feature operation button that shown image attributes is set substantially.The button that shown image attributes is set is CONTRAST button (adjusting the contrast of image), BRIGHT button (adjusting the brightness of image), RESOLUTION button (adjusting the resolution of image) as shown in Figure 5.Feature operation button is VIEW button, EXIT button, STORE button and PICTURE/VIDEO switching push button as shown in Figure 5.
When pressing the button that shown image attributes is set, the button portion interface by as shown in Figure 4 sends to CPU405 by corresponding external command.CPU405 identifies thus this button and is pressed.CPU405 follows issuing command and through usb interface unit 30, arrives the image acquisition portion 210 of endoscopic unit 20, and the related circuit in image acquisition portion 210 is carried out corresponding operation.It is well known to those skilled in the art with which (a bit) circuit wherein, realizing corresponding function, only with CONTRAST button, is pressed to be example here and describes.
When CONTRAST button is pressed, the button portion interface 425 by as shown in Figure 4 sends to CPU405 by external command.CPU405 thus recognition button CONTRAST is pressed.CPU405 follows issuing command and arrives endoscopic unit 20 through usb interface unit 30.Described instruction is then sent to as the CPU2125 in Fig. 2.CPU2125 decodes to this signal and the signal that changes the contrast of image is sent to video processing circuits 2110.As the response to this, video processing circuits 2110 changes the contrast of image, so that comprise more lively abundant colors from the vision signal of image acquisition element 2100.
Below feature operation button is illustrated one by one.
PICTURE/VIDEO switching push button is used for switching and takes pictures or record a video.Under default situations, be exposal model, when PICTURE/VIDEO switches, press, now enter video recording pattern; Again press and enter exposal model, between two kinds of patterns, switch in turn; The main STORE push-botton operation that coordinates.
STORE button is that the current Image Saving of just being observed by endoscopic unit is in storer 410 for being presented on the real-time image acquisition of display part.Under exposal model, when STORE button is pressed, CPU405 provides instruction, for copying in storer 410 with a frame image data to be shown being arranged on internal memory 415, saves as a picture file, and form is jpg, bmp etc.Under video recording pattern, when STORE button is pressed, CPU405 provides instruction, for copying in storer 410 with view data to be shown being arranged on internal memory 415, when STORE button is pressed again, stop video recording, save as a video file, form is avi etc.
When VIEW button is pressed, temporarily interrupt the demonstration to real-time image acquisition, and the image that is storage in storer 410 by passing collection image is presented in display part.If VIEW button is pressed again, CPU405 stops this demonstration and turns back to the demonstration to the realtime graphic from endoscopic unit.
When pressing EXIT button, stop the program of main control unit 40, and stop using endoscopic system 1.
Fig. 6 shows the process flow diagram of endoscope check method according to an embodiment of the invention and comprises step:
Whether S1, detection have endoscopic unit to connect by usb interface unit, no, proceed to detect, and be to proceed to step S2.
Wherein, after the power connection of main control unit, whether main control unit loads the pre-stored program about 1 operation of industrial endoscope system in storer 410, detect and have endoscopic unit to connect by usb interface unit.
S2, endoscope unit are enumerated.
Wherein, endoscopic unit (USB picture pick-up device) detected and insert, main control unit can call respective function and carry out enumerating of equipment, and main control unit need to know that this equipment supports which transport-type and terminal.Main control unit distributes an address to this equipment, from this equipment, reads data of description, distributes and is written into a device driver and from the option occurring, selects a configuration the data that receive.So far, this equipment has just been configured, and any terminal that is ready to support in the configuration with it is transmitted data.
S3, the image from endoscopic unit is sent to display unit show.
Wherein, particularly, the image that image acquisition element 2100 is gathered is processed through each functional circuit in graphics processing unit 210 as shown in Figure 2, by CPU2125, through usb interface unit as shown in Figure 3, send to main control unit 40, then through the CPU405 of main control unit 40, process the display part 500 that sends to display unit 50 and show.
Whether S4, detection press the button, no, return to step S3, are to proceed to step S5.
Which button that S5, detection are pressed.
Wherein, the action pushing button, corresponding to an external command, sends to CPU405 through corresponding interface in Fig. 4 and identifies.
The corresponding function of button that S6, execution are pressed, and after being finished, return to step S3.
Wherein, if the button that shown image attributes is set is pressed in working as of pressing, CPU405 needs issuing command through usb interface unit 30, to arrive the image acquisition portion 210 of endoscopic unit 20, and the related circuit in image acquisition portion 210 is carried out corresponding operation.If the feature operation button of pressing, can complete corresponding function in main control unit 40 sides.
Wherein, in step S5, what press is the button that image attributes is set, and step S6 is step S6a, and command adapted thereto is sent to endoscopic unit by usb interface unit; Or
In step S5, what press is PICTURE/VIDEO button, and step S6 is step S6b, will between taking pictures and recording a video, switch.
In step S5, what press is STORE button, and step S6 is step S6c, and main control unit 40 identifications are current is in exposal model or video recording pattern, if at exposal model, the image of demonstration is stored in storer with picture form; If in video recording pattern, the image of demonstration is stored in storer with visual form, again press STORE button and stop video recording; Or
In step S5, what press is VIEW button, and step S6 is step S6d, and the image being stored in storer is presented on display part.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not depart from protection scope of the present invention.Therefore, although the present invention is described in further detail by above embodiment, the present invention is not limited only to above embodiment, in the situation that not departing from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention is determined by appended claim scope.
Claims (10)
1. an industrial endoscope system, is characterized in that, comprising: endoscopic unit, USB (universal serial bus) (USB) interface unit, main control unit and display unit, wherein
Described endoscopic unit is for detecting examined object;
Described usb interface unit is for being sent to the image of described endoscopic unit collection main control unit and sending the instruction from main control unit to described endoscopic unit;
Described main control unit is for carrying out centralized control and described image is sent to described display unit after treatment described endoscopic unit; And
Described display unit comprises display part and button portion, wherein
Described display part is used for showing described image; And
Described button portion comprises a plurality of buttons, for inputting external command so that described industrial endoscope system is carried out to corresponding operating.
2. industrial endoscope system according to claim 1, is characterized in that, described endoscopic unit comprises:
Insertion section, for being inserted in described examined object place;
Image acquisition portion, for gathering the image at described examined object place and described image being processed.
3. industrial endoscope system according to claim 2, is characterized in that, described image acquisition portion comprises: image acquisition element, driving circuit, video processing circuits, A/D convertor circuit, compression processing circuit and central processing unit, wherein
Described image acquisition element is arranged in described insertion section and approaches described examined object place, for gathering the image at examined object place and carrying out opto-electronic conversion;
Described driving circuit is for generating the signal that drives described image acquisition element and the clock signal that is supplied to described video processing circuits;
Described video processing circuits is carried out Video processing to be converted to analog video signal and to export to described A/D convertor circuit for the signal to from described image acquisition element;
Described A/D convertor circuit is for being converted to data image signal by described analog video signal;
Described compression processing circuit is for compressing described data image signal;
Described central processing unit is for sending to described usb interface unit by the signal sequence after compression.
4. industrial endoscope system according to claim 1, is characterized in that, described usb interface unit comprises the first USB interface, USB cable and secondary USB interface, wherein
Described the first USB interface is arranged on described endoscopic unit side, for the image of described endoscopic unit collection being converted to the signal that can be transmitted by described USB cable;
Described secondary USB interface is arranged on described main control unit side, for the signal for being transmitted by described USB cable by the instruction transformation from main control unit.
5. industrial endoscope system according to claim 1, is characterized in that, described main control unit comprises internal bus, the central processing unit that is connected to separately described internal bus, storer and internal memory, wherein
Described internal bus receives the signal from described usb interface unit;
Described central processing unit reads the program in storer that is stored in and is written in described internal memory, and according to described program, the image from described endoscopic unit is presented in described display part and by described instruction and sends described endoscopic unit to.
6. industrial endoscope system according to claim 1, is characterized in that, described usb interface unit and described endoscopic unit and/or described main control unit are for removably connecting.
7. industrial endoscope system according to claim 4, is characterized in that, adopts USB Host, MiniUSB or Micro USB interface in described the first USB interface and/or secondary USB interface physical construction, adopts USB2.0 or USB3.O standard in standard.
8. industrial endoscope system according to claim 1, is characterized in that, described endoscopic unit also comprises:
Light source; And
The light of light source transmitting is directed to the photoconduction at described examined object place.
9. utilize the method that in claim 1-8, the industrial endoscope system described in any one detects, it is characterized in that comprising step:
Whether S1, detection have endoscopic unit to connect by usb interface unit, no, proceed to detect, and be to proceed to step S2;
S2, endoscope unit are enumerated;
S3, the image from endoscopic unit is sent to display unit show;
Whether S4, detection press the button, no, return to step S3, are to proceed to step S5;
Which button that S5, detection are pressed; And
The corresponding function of button that S6, execution are pressed, and after being finished, return to step S3.
10. method according to claim 9, is characterized in that,
In step S5, what press is the button that image attributes is set, and step S6 is step S6a, and command adapted thereto is sent to endoscopic unit by usb interface unit; Or
In step S5, what press is PICTURE/VIDEO button, and step S6 is step S6b, will between taking pictures and recording a video, switch; Or
In step S5, what press is STORE button, and step S6 is step S6c, if at exposal model, the image of demonstration is stored in storer with picture form; If in video recording pattern, the image of demonstration is stored in storer with visual form; Or
In step S5, what press is VIEW button, and step S6 is step S6d, and the image being stored in storer is presented on display part.
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| CN114882132A (en) * | 2022-04-25 | 2022-08-09 | 武汉博视曼医疗科技有限公司 | Image conversion method, device, storage medium and apparatus for endoscope system |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Park B1 building 7 layer, 8 layer, 10 layer Applicant after: SHENZHEN AUTEL TECHNOLOGY CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Xili town tea light road on the south side of Shenzhen integrated circuit design and application of Industrial Park 106, 107, 109, 114 Applicant before: Shenzhen Autel Technology Co., Ltd. |
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