CN108279243A - Radiographic inspection remote supervision system and method - Google Patents
Radiographic inspection remote supervision system and method Download PDFInfo
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- CN108279243A CN108279243A CN201810381591.XA CN201810381591A CN108279243A CN 108279243 A CN108279243 A CN 108279243A CN 201810381591 A CN201810381591 A CN 201810381591A CN 108279243 A CN108279243 A CN 108279243A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
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Abstract
The present invention relates to a kind of radiographic inspection remote supervision system and methods, radiographic inspection remote supervision system includes failure detector, the first dosemeter, the first video camera and display terminal, failure detector can divergent-ray with transillumination object, first dosemeter is located at exposure region, and the first dosemeter can detect and show the dosage rate of ray.First position for video camera can shoot the dosage rate that the first dosemeter is shown in exposure region, the first video camera.Display terminal is located at operating space, and is connect with the first video camera, and display terminal can show the picture of the first video camera shooting.During exposure, the data that staff can be shown in operating space by display terminal understand the dose profile of ray in real time, in this way, when dosage is abnormal, staff can find out failure cause in time, and take measures to solve failure, provide safeguard for the safe operation of radiographic inspection.
Description
Technical field
The present invention relates to radiographic inspection technical field more particularly to a kind of radiographic inspection remote supervision system and methods.
Background technology
Radiographic inspection industrially has a wide range of applications as a kind of lossless detection method.When the ray of even intensity
When beam transillumination object, if object regional area existing defects or structure have differences, the ray for transmiting the region will be changed
Intensity, in this way, detecting transmitted ray intensity using certain detector, so that it may with the presence or absence of defect or be divided with judgment object inside
Analyse the substance distribution of interior of articles.Since ray has the biological effects of radiation to human body, it can be detrimental to health, therefore, penetrate
Line is detected a flaw in operation process, and staff need to be located in safety area.But in this case, if source machine failure, card during which has occurred
The anomalous events such as source, staff can not have found in time, cannot also execute solution in time.
Invention content
Based on this, it is necessary to can not note abnormalities in time the asking of event for the traditional radiographic staff in operation that detects a flaw
Topic provides a kind of radiographic inspection remote supervision system that can play the role of real-time monitoring and method.
A kind of radiographic inspection remote supervision system is equipped with exposure region and operating space, and the exposure region is used for drop target object,
During the object exposure, staff is located in the operating space, and the radiographic inspection remote supervision system includes：
Failure detector, including shaking tray, source machine, radiographic source and conduit, the shaking tray are located at the operating space, the source machine,
The radiographic source and the conduit are respectively positioned on the exposure region, and the shaking tray is connect with the radiographic source, one end of the conduit
It is connect with the source machine, the other end can shake the radiographic source for object described in face, the shaking tray out of described source machine
Go out to the conduit, the radiographic source can also be shaken out of described conduit and is back in the source machine by the shaking tray；
First dosemeter, is located at the exposure region, and first dosemeter can detect and show the dosage of the ray
Rate；
First video camera, is located at the exposure region, and first video camera can shoot what first dosemeter was shown
Dosage rate；And
Display terminal is located at the operating space, and is connect with first video camera, and the display terminal can show described
The picture of first video camera shooting.
Above-mentioned radiographic inspection remote supervision system, exposure region be provided with the first dosemeter and the first video camera, first
The roentgen dose X rate that first dosemeter detects is sent to display terminal by camera shooting function, thus during exposure, staff's energy
The data shown by display terminal in operating space understand the dose profile of ray in real time, in this way, when dosage is abnormal, work
Failure cause can be found out in time by making personnel, and take measures to solve failure, be provided safeguard for the safe operation of radiographic inspection.
The failure detector further includes source in one of the embodiments, and the source is set to the conduit far from institute
One end of source machine is stated, first video camera can also shoot the source and the egative film for imaging, and can pass shooting picture
Give the display terminal.
Further include divider wall in one of the embodiments, the divider wall between the shaking tray and the source machine,
The exposure region and the operating space is isolated.
The failure detector further includes safety lock in one of the embodiments, and the safety lock is arranged in the source machine
On, and the radiographic source can be locked in the source machine.
Further include isolation strip in one of the embodiments, the exposure region and the operating space are respectively positioned on the isolation
In the region that band is enclosed.
Further include the second dosemeter in one of the embodiments, second dosemeter is located at isolation strip enclosing
Except the region of formation, second dosemeter can detect and show the Environmental dose rate of the isolation strip present position.
Further include the second video camera in one of the embodiments, second position for video camera is enclosed in the isolation strip
Except the region of formation, second video camera can shoot the Environmental dose rate that second dosemeter is shown, and described second
Video camera is connect with the display terminal, and shooting picture can be sent to the display terminal.
A kind of radiographic inspection remote monitoring method using above-mentioned any radiographic inspection remote supervision system, including with
Lower step：
The first dosemeter and the first video camera are arranged in exposure region；
In object location arrangements egative film, shaking tray is shaken, radiographic source is shaken out out of source machine to conduit, radiographic source transmitting
Ray is reached with penetrating the object on the egative film, and during exposure, first dosemeter detects and shows the ray
Dosage rate, first video camera shoots the dosage rate that first dosemeter is shown, and shooting picture is sent to and is located at
The display terminal of operating space；And
After the default time for exposure, radiographic source is shaken from conduit in Hui Yuanji, the dosage shown on the display terminal is observed
The variation of rate.
Above-mentioned radiographic inspection remote monitoring method, staff pass through display terminal during exposure and after end exposure
The data of upper display just can monitor the situation of change of roentgen dose X rate in real time, very convenient.Moreover, the side of this monitoring dosage rate
Method is also avoided that staff is abnormal into exposure region in dosage rate, has ensured the health of staff.
In one of the embodiments, the step of exposure region arranges the first dosemeter and the first video camera and in object
Location arrangements egative film further includes between failure detector divergent-ray is to penetrate the step that the object reaches on the egative film：
Drawing sets isolation strip, and the second dosemeter and the second camera shooting are arranged except the region that the isolation strip is enclosed
Machine；
Determine that the isolation strip encloses the size in region.
The step of isolation strip encloses the size in region is determined in one of the embodiments, is specifically included：
The failure detector divergent-ray, during this period, first dosemeter detect and show the dosage of the ray
Rate, first video camera shoots the dosage rate that first dosemeter is shown, and shooting picture is sent to display terminal, institute
State the Environmental dose rate that the second dosemeter detects and shows the isolation strip present position, the second video camera shooting described the
The Environmental dose rate that two dosemeters are shown, and shooting picture is sent to display terminal；
According to the data of first dosemeter detection shown on the display terminal and second dosemeter inspection
The data of survey judge whether the enclosing region for needing to expand the isolation strip；
The failure detector is closed, the data variation of first dosemeter detection shown on the display terminal is observed
And the data variation of the second dosemeter detection.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The attached drawing of other embodiment is obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the radiographic inspection remote supervision system of an embodiment；
Fig. 2 is the flow chart of the radiographic inspection remote monitoring method of an embodiment；
Fig. 3 is the specific steps flow chart of the step S120 of radiographic inspection remote monitoring method shown in Fig. 2.
Specific implementation mode
To facilitate the understanding of the present invention, radiographic inspection remote supervision system and method are carried out below with reference to relevant drawings
A more complete description.The preferred embodiment of radiographic inspection remote supervision system and method is given in attached drawing.But radiographic inspection
Remote supervision system and method can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary
Ground, purpose of providing these embodiments is make it is more thorough to the disclosure of radiographic inspection remote supervision system and method complete
Face.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Herein in the used in the description of radiographic inspection remote supervision system and method
Term be only for the purpose of describing specific embodiments and be not intended to limit the present invention.Term as used herein
" and/or " include one or more relevant Listed Items any and all combinations.
As shown in Figure 1, the radiographic inspection remote supervision system 10 of an embodiment is mainly used for checking the objects such as weld seam
Whether 20 is defective, and monitors roentgen dose X rate in real time during inspection.
In the present embodiment, radiographic inspection remote supervision system 10 includes isolation strip 100, divider wall 200, failure detector
300, the first monitoring assembly 400, the second monitoring assembly 500 and display terminal 600, wherein play isolation and warning in isolation strip 100
Effect, radiographic inspection operation carries out in the region that isolation strip 100 is enclosed, to prevent in operation process, other staff
It is strayed into the region and is radiated.Isolation strip 100 is folding, when it is desired to be used, is spread out, and makes its head and the tail phase
It connects, after the completion of radiographic inspection operation, by 100 folding storage of isolation strip, reduces its occupied space.In his embodiment, every
It can also be omitted from band 100, radiographic inspection operation can be carried out directly in closed space.
Divider wall 200 is located in the region that isolation strip 100 is enclosed, and the region that isolation strip 100 is enclosed is drawn
It is divided into exposure region 12 and operating space 14, object 20 is located in exposure region 12, and during object 20 exposes, relevant staff is then
It in operating space 14, and needs to dress Radiation proof dress, the staff being located in operating space 14 can be according to display terminal
The case where being fed back on 600 reasonable arrangement group member's operation, with ensure will not be by abnormal dose irradiation in group member's operation process.Isolation
There is wall 200 certain thickness, energy effective attenuation to even completely eliminate the transmitted intensity for penetrating divider wall 200, protect work people
The health of member.In other implementations, divider wall 200 can also omit, can be by detecting dosage rate by staff
It is arranged in safer region.
Failure detector 300 can divergent-ray with transillumination object 20.Specifically, failure detector 300 include shaking tray 310,
Source machine 320, radiographic source (not shown) and conduit 330, shaking tray 310 is respectively arranged on the both sides of divider wall 200 with source machine 320, and shakes
Disk 310 is located at operating space 14, and source machine 320, radiographic source and conduit 330 are respectively positioned on exposure region 12.Shaking tray 310 is connect with radiographic source,
One end of conduit 330 is connect with source machine 320, and the other end is used for face object 20.Shaking tray 310 can be by radiographic source from source machine 320
It inside shakes out to conduit 330, radiographic source can also be shaken out of conduit 330 and is back in source machine 320 by shaking tray 310.That is, staff
The movement of radiographic source can be controlled by shaking shaking tray 310.
Side of the object 20 far from conduit 330 can place egative film, can divergent-ray transillumination target after radiographic source is shaken out
Object 20, ray pass through object 20 that can reach on egative film, and egative film has photosensitive property, can absorb the energy of ray.By aobvious
After shadow processing, the latent image on egative film can be converted into visible image.And ray is when across object 20, it is each on object 20
Influence of the position to transmitted intensity is different from, and the image to be formed on egative film also just differs, for example, working as object 20
There are when the defects of crack, hole, shadow can be generally shown on egative film, therefore, the shadow that staff can be shown by egative film
As judging whether the structure of object 20 meets the requirements.
In view of the harmful effect of ray radiation, for safety, failure detector 300 further includes safety lock, safety lock setting
On source machine 320, and radiographic source can be locked in source machine 320, to prevent radiographic source from undesirably falling off source machine 320.
In the present embodiment, failure detector 300 further includes source, and source is set to one of conduit 330 far from source machine 320
End.The direction that the position in source is emitted ray is more important, it can influence the imaging accuracy on egative film, therefore in ray
When flaw detection operation, source need to be kept relative to the position of conduit 330.
First monitoring assembly 400 is located at exposure region 12, and includes the first dosemeter 410 and the first video camera 420, first dose
Amount instrument 410 can detect and show the dosage rate for the ray that failure detector 300 projects, and be described below, referred to as penetrate here for convenience
Line dosage rate.First video camera 420 can shoot the roentgen dose X rate of the first dosemeter 410 display, and shooting picture is transmitted
To the display terminal 600 for being attached thereto and being located at operating space 14, display terminal 600 can be mobile phone, tablet, computer etc..Ray
It detects a flaw during operation, staff can in real time be monitored in operating space 14 by observing the data shown on display terminal 600
Roentgen dose X rate avoids being directly entered hand-held dosemeter monitoring roentgen dose X rate in exposure region 12, so as to be effectively prevented work
Make personnel accidentally to be irradiated, protects the health of staff.
Under normal circumstances, in radiographic source from during being shaken out to designated position in conduit 330 in source machine 320, the
Roentgen dose X rate detected by dose instrument 410 should be become larger by initial value to become smaller again.If roentgen dose X rate is abnormal, work
Personnel can investigate exception in time and execute prediction scheme.In addition, during radiographic source is shaken back, the first dosemeter 410 is detected
To roentgen dose X rate should also be to change from small to big and taper into initial value again, only in this way just show that radiographic source is shaken and be back to
In source machine 320.Otherwise, then it should be noted that the fortuitous events such as Ka Yuan, source machine failure whether occur.
Roentgen dose X rate of first video camera 420 in addition to the display of the first dosemeter 410 can be shot, moreover it is possible to shoot source
Position, and shooting picture can be sent to display terminal 600, to which staff can monitor source in real time and for imaging
The position of egative film, to understand scene exposure transillumination situation, if midway source or the position of egative film shift, staff can
It finds in time, and takes measures to be corrected, it is ensured that be formed in the accuracy of the image on egative film.
Second monitoring assembly 500 is arranged except the region that isolation strip 100 is enclosed, and includes the second dosemeter 510
With the second video camera 520, the second dosemeter 510 can detect and show the Environmental dose rate of 100 present position of isolation strip.Second
Video camera 520 can shoot the Environmental dose rate of the second dosemeter 510 display, and can send shooting picture to and be attached thereto
Display terminal 600.
Important boundary of the isolation strip 100 as isolation ray operating area and security activity region, position residing for isolation strip 100
It is particularly important whether the Environmental dose rate set meets safety standard.If in general, the environment agent that the second dosemeter 510 detects
Dose rate west not/hour micro- less than 2.5, then show that the region that isolation strip 100 is defined meets the requirements, otherwise, it is necessary to expand isolation
The region area enclosed with 100.
Similarly, under the action of the second video camera 520 and display terminal 600, staff is not necessarily to hand-held dosemeter and examines
Environmental dose rate is surveyed, to prevent accidentally being irradiated.
It is noted that in entire radiographic inspection operation process, the first monitoring assembly 400, the second detection components 500
And display terminal 600 not only monitors corresponding dosage rate, moreover it is possible to carry in real time always all in working condition conducive to staff
For double shield, no matter the data of which dosemeter detection go wrong, staff can execute prediction scheme in time, prevent accident
The occurrence of.
In the present embodiment, it please refers to Fig.1 to Fig. 3, additionally provides a kind of radiographic inspection dosage rate monitoring method, the party
Method specifically includes following steps：
Step S100 arranges the first dosemeter 410 and the first video camera 420 in exposure region 12.
Step S110, drawing sets isolation strip 100, and the second dosemeter is arranged except the region that isolation strip 100 is enclosed
510 and second video camera 520.
Step S120 determines that isolation strip 100 encloses the size in region.When executing step S120, following step is specifically included
Suddenly：
Step S122,300 divergent-ray of failure detector, that is, radiographic source is shaken into out source machine 320 by shaking shaking tray 310,
And radiographic source is shaken to the position specified in conduit 330.During this period, the first dosemeter 410 detects and shows the dosage of ray
Rate, the first video camera 420 shoot the dosage rate of the first dosemeter 410 display, and shooting picture is sent to display terminal 600.
Second dosemeter 510 detects and shows that the Environmental dose rate of 100 present position of isolation strip, the second video camera 520 shoot second dose
The Environmental dose rate that instrument 510 is shown is measured, and shooting picture is sent to display terminal 600.
Step S124, according to the data and the second dosemeter of the first dosemeter 410 detection shown on display terminal 600
The data of 510 detections, judge whether the enclosing region for needing to expand isolation strip 100.If the ray agent of the first dosemeter 410 detection
Dose rate changes from small to big to be tapered into again, indicates that radiographic source shakes out normally.If the Environmental dose rate that the second dosemeter 510 detects
It is micro- less than 2.5 west not/hour, then show that the region that isolation strip 100 is defined meets the requirements, otherwise, it is necessary to expand isolation strip 100
The region area of enclosing.
Step S126 closes failure detector 300, that is, radiographic source is shaken back out of conduit 330 in source machine 320, observation is aobvious
Show the data variation of the first dosemeter 410 detection shown in terminal 600 and the data variation of the second dosemeter 510 detection.
Show that radiographic source has acted if the Environmental dose rate reduction of the second dosemeter 510 detection or no significant change, then passes through
The roentgen dose X rate of first dosemeter 410 detection further confirms that, if the roentgen dose X rate of the first dosemeter 410 detection is by small change
It is tapered into again to initial value greatly, then shows that radiographic source is shaken back in source machine 320, otherwise just need staff's investigation different
Often.
Step S130 shakes shaking tray 310 in 20 location arrangements egative film of object, radiographic source is shaken out out of source machine 320 to
In conduit 330, radiographic source divergent-ray is reached with penetrating object 20 on egative film, and during exposure, the first dosemeter 410 detects simultaneously
It shows that the dosage rate of ray, the first video camera 420 shoot the dosage rate of the first dosemeter 410 display, and shooting picture is transmitted
To the display terminal 600 for being located at operating space 14.Staff can monitor the roentgen dose X rate during exposure in real time, it is ensured that exposure
Be normally carried out.Certainly, during this period, the second monitoring assembly 500 is also at working condition, for staff understand in real time every
Environmental dose rate from 100 present position of band.Meanwhile first video camera 420 can also monitor source and egative film with the presence or absence of abnormal,
The picture that staff can show according to display terminal 600, judges whether to need to readjust exposing operation.
Step S140 shakes back radiographic source in source machine 320 from conduit 330 after presetting the time for exposure, observes display terminal
The variation of the dosage rate shown on 600.Similar with step S126, staff need to be according to the data shown on display terminal 600
To ensure that radiographic source has been shaken back in source machine 320.
It is noted that in the present embodiment, the sequence between step S100 and step S110 can be interchanged.And work as
When isolation strip 100 is omitted, step S110 and step S120 can be omitted.In the case where the number of object 20 is multiple, work
A step S100 to step S120 need to be executed by making personnel only, after completing the radiographic inspection work of an object 20, for
The radiographic inspection of remaining object 20 works, it is only necessary to repeat step S130 and step S140.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of radiographic inspection remote supervision system, is equipped with exposure region and operating space, the exposure region is used for drop target object, institute
During stating object exposure, staff is located in the operating space, which is characterized in that the radiographic inspection remote supervision system
Including：
Failure detector, including shaking tray, source machine, radiographic source and conduit, the shaking tray are located at the operating space, the source machine, described
Radiographic source and the conduit are respectively positioned on the exposure region, and the shaking tray is connect with the radiographic source, one end of the conduit and institute
State the connection of source machine, the other end for object described in face, the shaking tray radiographic source can be shaken out out of described source machine to
In the conduit, the radiographic source can also be shaken out of described conduit and is back in the source machine by the shaking tray；
First dosemeter, is located at the exposure region, and first dosemeter can detect and show the dosage rate of the ray；
First video camera, is located at the exposure region, and first video camera can shoot the dosage that first dosemeter is shown
Rate；And
Display terminal is located at the operating space, and is connect with first video camera, and the display terminal can show described first
The picture of video camera shooting.
2. radiographic inspection remote supervision system according to claim 1, which is characterized in that the failure detector further includes source
Head, the source are set to the one end of the conduit far from the source machine, and first video camera can also shoot the source and use
In the egative film of imaging to, and shooting picture can be sent to the display terminal.
3. radiographic inspection remote supervision system according to claim 1, which is characterized in that further include divider wall, it is described every
From wall between the shaking tray and the source machine, the exposure region and the operating space is isolated.
4. radiographic inspection remote supervision system according to claim 1, which is characterized in that the failure detector further includes peace
Quan Suo, the safety lock is arranged on the source machine, and can be locked in the radiographic source in the source machine.
5. radiographic inspection remote supervision system according to claim 1, which is characterized in that further include isolation strip, the exposure
Light area and the operating space are respectively positioned in the region that the isolation strip is enclosed.
6. radiographic inspection remote supervision system according to claim 5, which is characterized in that further include the second dosemeter, institute
It states the second dosemeter to be located at except the region that the isolation strip is enclosed, second dosemeter can be detected and be shown described
The Environmental dose rate of isolation strip present position.
7. radiographic inspection remote supervision system according to claim 6, which is characterized in that further include the second video camera, institute
The second position for video camera is stated except the region that the isolation strip is enclosed, second video camera can shoot described second dose
The Environmental dose rate that amount instrument is shown, second video camera is connect with the display terminal, and shooting picture can be sent to institute
State display terminal.
8. a kind of radiographic inspection using such as claim 1-7 any one of them radiographic inspection remote supervision systems remotely monitors
Method, which is characterized in that include the following steps：
The first dosemeter and the first video camera are arranged in exposure region；
In object location arrangements egative film, shaking tray is shaken, radiographic source is shaken out out of source machine to conduit, radiographic source divergent-ray
It is reached on the egative film with penetrating the object, during exposure, first dosemeter detects and shows the agent of the ray
Dose rate, first video camera shoots the dosage rate that first dosemeter is shown, and shooting picture is sent to positioned at operation
The display terminal in area；And
After the default time for exposure, radiographic source is shaken from conduit in Hui Yuanji, the dosage rate shown on the display terminal is observed
Variation.
9. radiographic inspection remote monitoring method according to claim 8, which is characterized in that arrange the first dosage in exposure region
The step of instrument and the first video camera, failure detector divergent-ray was arrived with penetrating the object in object location arrangements egative film
Up between the step on the egative film, further include：
Drawing sets isolation strip, and the second dosemeter and the second video camera are arranged except the region that the isolation strip is enclosed；
Determine that the isolation strip encloses the size in region.
10. radiographic inspection remote monitoring method according to claim 9, which is characterized in that determine that the isolation strip encloses
It the step of size in region, specifically includes：
The failure detector divergent-ray, during this period, first dosemeter detect and show the dosage rate of the ray, institute
It states the first video camera and shoots the dosage rate that first dosemeter is shown, and shooting picture is sent to display terminal, described
Two dosemeters detect and show the Environmental dose rate of the isolation strip present position, described second dose of the second video camera shooting
The Environmental dose rate that amount instrument is shown, and shooting picture is sent to display terminal；
It is detected according to the data of first dosemeter detection shown on the display terminal and second dosemeter
Data judge whether the enclosing region for needing to expand the isolation strip；
Close the failure detector, observe shown on the display terminal first dosemeter detection data variation and
The data variation of the second dosemeter detection.
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| CN112386268A (en) * | 2020-10-22 | 2021-02-23 | 中国辐射防护研究院 | Close-table operation X-ray radiation protection detection auxiliary equipment |
| CN115753848A (en) * | 2022-12-02 | 2023-03-07 | 中山大学孙逸仙纪念医院深汕中心医院 | Remote online monitoring system and method for radiographic inspection |
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| CN107390252A (en) * | 2017-08-28 | 2017-11-24 | 深圳供电局有限公司 | A kind of x-ray imaging detection radiation alarm system and method |
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