CN107167830A - A kind of radiation monitoring system based on CT scan device - Google Patents
A kind of radiation monitoring system based on CT scan device Download PDFInfo
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- CN107167830A CN107167830A CN201710185287.3A CN201710185287A CN107167830A CN 107167830 A CN107167830 A CN 107167830A CN 201710185287 A CN201710185287 A CN 201710185287A CN 107167830 A CN107167830 A CN 107167830A
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- G—PHYSICS
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- 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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- G—PHYSICS
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- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
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- G—PHYSICS
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Abstract
The invention discloses a kind of radiation monitoring system based on CT scan device, solve after inspection is finished, the staff of hospital directly will not be closed CT scan device, in the state of start, CT scan device, which remains unchanged, can produce a small amount of radiation, for a long time, multiple radiation can influence people it is healthy the problem of, its drip irrigation device is：Also include radiation detecting apparatus, main control terminal, display device, suggestion device, notice device；The highest that pre-saved in main control terminal allows radiation signal, when transmitting detection signal, which is more than highest, allows radiation signal, suggestion device with realize prompting and notify device give notice, a kind of radiation monitoring system based on CT scan device of the present invention, CT scan device can be made to start shooting but when not in use, the progress for carrying out amount of radiation is detected in real time, and is effectively pointed out.
Description
Technical field
The present invention relates to a kind of monitoring system, more particularly to a kind of radiation prison based on CT scan device
Examining system.
Background technology
CT scan device is also computed tomography machine or computed tomography, English
Literary fame is Computed Tomography, and he is generally called CT by we.CT be using the X-ray beam of Accurate collimation, gamma-rays,
Ultrasonic wave etc., the profile scanning of a certain position work of human body one by one, tool are together surrounded with the high detector of sensitivity
There is sweep time fast, the features such as image clearly, the inspection available for a variety of diseases；Ray difference according to being used can be divided into：X
Ray CT（X-CT）, ultrasound computed tomography（UCT）And gamma-rays CT（γ-CT) etc..
The principle of CT scan device is：X-ray is scanned to the aspect at some position of human body, by detecting
Device receives the X-ray through human body, is changed into after visible ray, is changed into electric signal from opto-electronic conversion, then switch to numeral input calculating
Machine processing.
CT scan device can also make the image of solid, and imaging resolution is also higher than X-ray.It is main to use
In medical diagnosis on disease, that is, there is the people at highest risk of corresponding symptom or some diseases, doctor can just advise being CT.In addition, electrometer
The sweep speed of calculation machine tomoscanning device is very fast, and emergency treatment typically can all select CT.
Include in CT scan device：
Radioactive source：Refer in addition to the material of research reactor and power reactor nuclear fuel cycle category, permanent seal in a reservoir or
There is tight covering and in the radioactive material of solid-state.
X-ray apparatus：Refer to X-ray machine, accelerator, accelerator for neutron production and containing radioactive device.
PET/CT（Positron Emission Computed Tomography instrument）, it utilizes positron emitting nucleic（Such as
18F.11C.13N.15O.) or its mark material（Such as 18 fluorine-deoxyglucose, abbreviation 18F-DG) CT imaging inspections are carried out,
It is such a to check to early diagnosis of tumor, transfer stove is found, disease by stages, observes curative effect, and assessment prognosis plays very important
Effect.The energy of X-ray is generally tens to hundreds of kiloelectron-volts, and fluoroscopy of chest is once about uncommon by 0.02 milli（MSV photograph)
The amount of penetrating, 1st/50th of the public for being about as much as national regulation year limit value.But patient's radiation suffered in film making
Dose ratio has an X-rayed many, the radwaste that they are mainly contained that will be low（Source）.
Within the hospital, will be by electronic computer when thering is patient to need to use CT scan device
Tomoscanning device is opened, and CT scan device can send substantial amounts of ray and be checked when in use, work as inspection
Look into after finishing, the staff of hospital directly will not be closed CT scan device, and be to maintain start
State, now, CT scan device, which remains unchanged, can produce a small amount of radiation, and radiate can not by naked eyes see
Arrive, and staff can not intuitively experience the very first time, therefore, and when there are a large amount of radiation, the work people of hospital
Member is entered in CT Room, can not be also aware of, and radiation for a long time, multiple can influence people's healthy, also improved
Space.
The content of the invention
It is an object of the invention to provide a kind of radiation monitoring system based on CT scan device, it can make
CT scan device is being started shooting but when not in use, and the progress for carrying out amount of radiation is detected in real time, and is carried out effective
Prompting.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of radiation monitoring system based on CT scan device, including CT scan device,
Also include being used to detect the amount of radiation and output radiation detection letter when starting shooting and not working on CT scan device
Number radiation detecting apparatus, for receiving radiation detection signal and radiation detection signal is uploaded and is preserved master control is whole
End, the display device of the radiation index corresponding with main control terminal connection and display in real time and current amount of radiation and master control are whole
End is connected and for the suggestion device locally pointed out, the notice device for being connected and being pointed out for base with main control terminal；
Highest when pre-saving the start of CT scan device and not working in the main control terminal allows
Highest corresponding to radiation parameter allows radiation signal, and the transmitting detection signal allows radiation signal to be compared with highest,
When transmitting detection signal be more than highest allow radiation signal when, the suggestion device with realize prompting and it is described notice device send
Notify.
Using such scheme, CT scan device is used to send to radiate to be diagnosed to patient, and radiation
The setting of detection means is detected to radiation produced in CT scan device, and used main control terminal
Detection data to radiation detecting apparatus are preserved, and display device is connected with main control terminal, and are shown in real time
The amount of radiation that detects simultaneously shows radiation index, and suggestion device is arranged in hospital, and the staff in hospital is carried
Show, and notify the setting of device, the maintenance department of CT scan device is attached, and be arranged at electrometer
Once receiving signal in the maintenance department of calculation machine tomoscanning device, it will be notified, be recognized that maintenance department
The situation of CT scan device in hospital, improves the peace using CT scan device
Quan Xing, it is practical.
Preferably, the radiation detecting apparatus includes data acquisition module, smothing filtering module, the data acquisition module
Block carries out the collection of radiation data, and the pulse letter produced using radiation using sensor to CT scan device
Number output radiation detection signal detects the frequency of radiation；The smothing filtering module is connected to data acquisition module and for going
Fall noise and the smooth radiation detection signal that smoothly produces in radiation collection signal to main control terminal.
Using such scheme, collection of the data acquisition module to the radiation data on CT scan device,
And signal output is carried out using the frequency produced by radiation, and smothing filtering module is used to reduce making an uproar in radiation collection signal
Sound, and signal is subjected to smooth, removal interference, the pure property of data acquisition is improved, while sending data to main control terminal
Preserved, facilitate the reading of later data, it is practical.
Preferably, the radiation detecting apparatus also includes differential amplification module, the differential amplification module is connected to flat
Filter slide, for removing the DC component in radiation collection signal, is amplified and filters arrangement to be amplified filtering
Radiation detection signal is to main control terminal.
Using such scheme, the setting of differential amplification module will eliminate the DC component in radiation collection signal, reduce
Interference in data, improves the jamproof ability of radiation detecting apparatus, at the same by data be amplified with filter after again
Signal is preserved to main control terminal, the visuality of data is improved.
Preferably, also including the time set being connected with main control terminal, the time set is to electronic computer tomography
The use time of scanning means carries out accumulative and exports current cumulative time signal and be uploaded in main control terminal, the main control terminal
The safety time signal corresponding to the maximum allowable safety time of CT scan device is preset with, once it is current tired
When counting time signal more than safety time signal, the suggestion device is described to notify device to realize notice to realize prompting.
Using such scheme, the setting of time set, when currently used to CT scan device accumulative
Between counted, and added up, accumulative result is uploaded into main control terminal is preserved, and is set in advance in main control terminal
It is equipped with the maximum safety time of CT scan device, when maximum safety time is reached, electronic computer
Tomoscanning device is accomplished by safeguarding, to improve the security that CT scan device is used, now, suggestion device
It will be pointed out to the staff in hospital, and adjusting apparatus is entered to the attendant of CT scan device
Row is notified, attendant is understood the service condition of CT scan device in hospital.
Preferably, also including time pre- counter device, the client with notifying device to be connected, institute being connected with time set
The time expected signal included in time pre- counter device less than maximum allowable safety time is stated, once current cumulative time signal
During more than time expected signal, the notice device sends time reservation signal to client.
Using such scheme, the setting of time pre- counter device makes CT scan device estimated near the time
During time corresponding to signal, client will be signaled to, client will be preengage, and sweep electronic computer tomography
The attendant of imaging apparatus does sth. in advance to go and find out what's going on, and reduces the problem of CT scan device in hospital is shelved,
It is practical, and improve the security of CT scan device.
Preferably, also including the counting device being connected with main control terminal, the counting device is to electronic computer tomography
The access times of scanning means carry out accumulative and export current cumulative number signal and be uploaded in main control terminal, the main control terminal
The Safe Times signal corresponding to the maximum allowable Safe Times of CT scan device is preset with, once it is current tired
When metering number signal is more than Safe Times signal, the suggestion device is described to notify device to realize notice to realize prompting.
Using such scheme, the setting of counting device is united to the access times of CT scan device
Meter, and it is previously provided with the maximum Safe Times of CT scan device in main control terminal, once counting device
Number of times, be accumulated to up to maximum Safe Times, suggestion device will send prompting to the staff in hospital, while notifying to fill
The attendant for putting electron computer tomoscanning device gives notice, and improves CT scan device and uses
Safety.
Preferably, also including including in the pre- counter device of counting being connected with counting device, the pre- counter device of counting
Less than the counting expected signal of maximum allowable Safe Times, once current cumulative number is more than time counted corresponding to expected signal
During number, the notice device sends counting reservation signal to client.
Using such scheme, the setting of pre- counter device is counted, CT scan device is near maximum allowable peace
During total degree, counting expected signal will be sent to client, client will be preengage, and make CT scan
The attendant of device does sth. in advance to go and find out what's going on, and reduces the problem of CT scan device in hospital is shelved, real
It is strong with property, and improve the security of CT scan device.
Preferably, also including the intelligent regulating device being connected with main control terminal, the intelligent regulating device is to some
CT scan device carries out time segment and used, and controls the current supply circuit of CT scan device
Keying, and the radiation detecting apparatus is controlled by intelligent regulating device, when the confession of the CT scan device
When electrical circuit disconnects, the radiation detecting apparatus is not detected；Conversely, the radiation detecting apparatus detection.
Using such scheme, the setting of intelligent regulating device is handed over different CT scan devices
For the use of formula, and CT scan device time segment is used, and not only sweeps electronic computer tomography
Imaging apparatus will not work for a long time, improve the service life of CT scan device, while will not also delay
The patient of hospital, the control also opened and closed by the setting of intelligent regulating device to radiation detecting apparatus, works as electronic computer
When the current supply circuit of tomoscanning device disconnects, radiation detecting apparatus will be automatically stopped detection, and using electricity wisely is practical.
Preferably, also including the data analysis set-up being connected with main control terminal, definition：Electronic computer in unit interval
The amount of radiation that tomoscanning device is in start and continuously sent when not working is QN, the difference of amount of radiation is EN；That is EN+2=QN+3-
QN+2, EN+1=QN+2-QN+1, EN=QN+1-QN；
The data analysis set-up includes：
Ascent stage, amount of radiation is in lasting rising, i.e. EN＜ EN+1＜ EN+2；
In the setback stage, amount of radiation, which is in, to be continued to fluctuate up and down, i.e. EN＜ EN+2＜ EN+1, EN+1＜ EN＜ EN+2, EN+1＜ EN+2＜ EN,
EN+2＜ EN＜ EN+1, EN+2＜ EN+1＜ EN, EN＜ EN+2=EN+1, EN+1=EN＜ EN+2, EN+2=EN＜ EN+1, EN=EN+1＜ EN+2, EN+2=
EN+1＜ EN, EN+2＜ EN+1=EN；
Decline stage, amount of radiation is in continuous decrease, i.e. EN+2＜ EN+1＜ EN；
Plateau, amount of radiation is in continual and steady constant, i.e. EN+1=EN+2=EN。
Using such scheme, the setting of data analysis set-up is detected to the data that radiation detecting apparatus is detected, and
And radiation is divided into ascent stage, setback stage, decline stage, plateau according to the size of amount of radiation, so as to electronics
Radiation event around computer tomoscanning device is understood, and improves the visuality of data.
Preferably, the data analysis set-up is also coupled to the dangerous alarm module being connected with main control terminal, when described
When data analysis set-up is in ascent stage, the dangerous alarm module is to realize warning；Conversely, not warning.
Using such scheme, the setting of danger warning module is warned, one to the ascent stage in data analysis set-up
Denier radiation detecting apparatus detects amount of radiation when persistently increasing i.e. ascent stage, alarm will be realized, to electrometer in hospital
The staff of calculation machine tomoscanning device is warned, and improves the security that CT scan device is used.
In summary, the invention has the advantages that：
1st, CT scan device is detected and data analysis is carried out in real time, improved electronic computer and break
The safety in utilization of layer scanning means；
2nd, time segment is used, and improves the service life of CT scan device；
3rd, the function with the service condition for understanding CT scan device in advance, makes people have the energy of preparation
Power.
Brief description of the drawings
Fig. 1 is the system schematic of the present embodiment；
Fig. 2 is the system block diagram of the present embodiment；
Fig. 3 is the system block diagram of radiation detecting apparatus；
Fig. 4 is the system block diagram of time set；
Fig. 5 is the system block diagram of time pre- counter device；
Fig. 6 is the system block diagram of counting device；
Fig. 7 is the system block diagram for counting pre- counter device；
Fig. 8 is the system block diagram of intelligent regulating device；
Fig. 9 is the system block diagram of data analysis set-up.
In figure：1st, CT scan device；2nd, radiation detecting apparatus；3rd, main control terminal；4th, display device；5、
Suggestion device；6th, device is notified；7th, data acquisition module；8th, smothing filtering module；9th, differential amplification module；10th, time set；
11st, time pre- counter device；12nd, client；13rd, counting device；14th, pre- counter device is counted；15th, intelligent regulating device；16th, data
Analytical equipment；17th, ascent stage；18th, the setback stage；19th, the decline stage；20th, plateau；21st, dangerous alarm module；22、
Launch terminal；23rd, receiving terminal.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
A kind of radiation monitoring system based on CT scan device 1 disclosed in the present embodiment, including electronics
Computer tomoscanning device 1, CT scan device 1 is also CT, is a kind of in hospital to be used to detect body feelings
The detection means of condition.
As shown in figure 1, CT scan device 1 is swept by radiation detecting apparatus 2 to electronic computer tomography
Amount of radiation when imaging apparatus 1 is started shooting and do not worked is detected, and radiation detection signal is preserved by main control terminal 3
With analysis, main control terminal 3 can be computer or single-chip microcomputer, be preferably computer in the present embodiment, and display device 4 is LED
Display screen, corresponding detection coefficient is shown, facilitate staff by the decoding of main control terminal 3 by display device 4
Check, main control terminal 3 is analyzed radiation detection signal and the staff of hospital is carried by suggestion device 5
Show, by notifying device 6 to carry out remote prompts to the attendant of CT scan device 1, pass through client 12
The attendant of CT scan device 1 is preengage.
As shown in figure 1, suggestion device 5 is installed on the side of CT scan device 1, and use sound and light alarm
Mode pointed out, notify device 6 include launch terminal 22 and receiving terminal 23, launch terminal 22 is for transmission signal
Terminal, receiving terminal 23 is connected with launch terminal 22, and receives the signal of launch terminal 22, and receiving terminal 23 can be mobile phone
Can be prompting device etc., preferential in the present embodiment to use mobile phone, client 12 can be smart mobile phone, and client 12 passes through transmitting
The attendant of the transmitting reservation signal electron of terminal 22 computer tomoscanning device 1.
As shown in Fig. 2 main control terminal 3 is connected with radiation detecting apparatus 2, for detecting CT scan device
1 amount of radiation, main control terminal 3 is connected with display device 4, and reality is shown to the coefficient of amount of radiation, main control terminal 3 and prompting
Device 5 is connected, and for carrying out sound and light alarm, main control terminal 3 notifies device 6 to include launch terminal 22 with notifying device 6 to be connected
With receiving terminal 23, launch terminal 22 transmits signals to receiving terminal 23 and client 12, and client 12 also connects with main control terminal 3
Connect, the work preengage, main control terminal 3 is connected with time set 10, for making for electron computer tomoscanning device 1
Counted with the time, main control terminal 3 is attached with time pre- counter device 11, is played to CT scan device
1 progress is preengage in advance, and main control terminal 3 is connected with counting device 13, the use for electron computer tomoscanning device 1
Number of times is counted, and main control terminal 3 is connected with counting pre- counter device 14, is carried out for electron computer tomoscanning device 1
Preengage in advance, reservation in advance is preengage by client 12, while main control terminal 3 is also connected with intelligent regulating device 15, together
In being opened and closed on a time period to CT scan device 1 respectively, main control terminal 3 also with data analysis set-up 16,
Dangerous alarm module 21 is connected, analysis and judgement for carrying out data, while being alerted by dangerous alarm module 21.
As shown in figure 3, radiation detecting apparatus 2 includes data acquisition module 7, smothing filtering module 8 and differential amplification mould
Block 9.Data acquisition module 7 can use sensor to carry out the collection of data, and radiation is detected using the pulse of radiation generation
The parameters such as frequency, while removing noise by smothing filtering module 8, smoothly produce impulse waveform, facilitate the detection of signal, pass through
Signal is amplified and is filtered by differential amplification module 9, improves waveform, improves the output of radiation detection signal, radiation inspection
Main control terminal 3 can be uploaded to and be preserved by surveying signal.
As shown in figure 4, time set 10 carries out being previously provided with maximum in information exchange, main control terminal 3 with main control terminal 3
Allow safety time, time set 10 added up to the use time of CT scan device 1, while by maximum
The accumulative use time of safety time and CT scan device 1 is allowed to be compared, once more than maximum allowable
During safety time, suggestion device 5 will carry out audible and visual alarm on the side of CT scan device 1, for pointing out
The staff of hospital, while notifying device 6 to be signaled to receiving terminal 23 by launch terminal 22, receiving terminal 23 is notified
The attendant of CT scan device 1 comes to safeguard；When being not above maximum allowable safety time, timing dress
Putting 10 will carry out adding up the use time of CT scan device 1, when the time cumulation of time set 10
The cumulative time of time set 10 can be zeroed out by Man Hou, the attendant of CT scan device 1, after convenience
Phase again adds up.
As shown in figure 5, time pre- counter device 11 carries out pre-setting in information exchange, and main control terminal 3 with main control terminal 3
There is a time expected signal, the time of time expected signal and time prediction is carried out in correspondence with each other, and time 11 pairs of electricity of pre- counter device
The use time of sub- computer tomoscanning device 1 is added up, and the time cumulation time is compared with time expected signal, when
When time corresponding to time cumulation signal is more than the accumulative use time of CT scan device 1, device 6 is notified
In launch terminal 22 will be signaled to client 12, client 12 is tieed up for electron computer tomoscanning device 1
The personnel of shield preengage in advance, can be by electronic computer when the attendant of CT scan device 1 comes to safeguard
The use time of tomoscanning device 1 is zeroed out, and facilitates adding up again for later stage；When CT scan device 1
Accumulative use time when being less than the time corresponding to time expected signal, will carry out continuing accumulative.
As shown in fig. 6, counting device 13 carries out being previously provided with maximum in information exchange, main control terminal 3 with main control terminal 3
Allow Safe Times, counting device 13 added up to the access times of CT scan device 1, while by maximum
The accumulative access times of Safe Times and CT scan device 1 are allowed to be compared, once more than maximum allowable
During Safe Times, suggestion device 5 will carry out audible and visual alarm on the side of CT scan device 1, for pointing out
The staff of hospital, while notifying device 6 to be signaled to receiving terminal 23 by launch terminal 22, receiving terminal 23 is notified
The attendant of CT scan device 1 comes to safeguard；When being not above maximum allowable Safe Times, dress is counted
Putting 13 will carry out adding up the access times of CT scan device 1, when 13 numbers of counting device are accumulative
The cumulative number of counting device 13 can be zeroed out by Man Hou, the attendant of CT scan device 1, after convenience
Phase again adds up.
As shown in fig. 7, the pre- counter device of number of times carries out being previously provided with information exchange, and main control terminal 3 with main control terminal 3
Number of times expected signal, number of times expected signal is carried out in correspondence with each other with the number of times that number of times is predicted, and the pre- counter device of number of times is to electrometer
The access times of calculation machine tomoscanning device 1 are added up, and number of times cumulative number is compared with number of times expected signal, works as number of times
When number of times corresponding to accumulated signal is more than the accumulative access times of CT scan device 1, notify in device 6
Launch terminal 22 will be signaled to client 12, and client 12 is used for what electron computer tomoscanning device 1 was safeguarded
Personnel preengage in advance, when the attendant of CT scan device 1 comes to safeguard, can be by electronic computer tomography
The access times of scanning means 1 are zeroed out, and facilitate adding up again for later stage；When tiring out for CT scan device 1
When meter access times are less than the number of times corresponding to number of times expected signal, it will carry out continuing accumulative.
As shown in figure 8, intelligent regulating device 15 carries out information exchange, intelligent regulating device more than 15 pairs with main control terminal 3
CT scan device 1 be controlled, define：The use time of every CT scan device 1
For T hours, and many CT scan devices 1 were used alternatingly, when No. 1 CT scan device
1 has used and can have been closed automatically after T hours, while opening No. 2 CT scan devices 1, is checked when there is patient
When, after patient checks and finished, turn off, reduce the loss of patient, while when No. 2 CT scan devices 1
After starting T hours, automatic close opens next, and the rest may be inferred, up to after last unlatching T hours, reopening No. 1 electricity
Sub- computer tomoscanning device 1 is operated, and cycle alternation formula is used successively, improves CT scan device 1
Service life.
As shown in figure 9, data analysis set-up 16 carries out data interaction, 16 pairs of radiation of data analysis set-up with main control terminal 3
The radiation detection signal of detection means 2 is analyzed.Data analysis set-up 16 include ascent stage 17, the setback stage 18, under
Depression of order section 19, plateau 20.
Definition：
The amount of radiation that CT scan device 1 is in start and continuously sent when not working in unit interval is QN；
The difference of amount of radiation is EN；
That is EN+2=QN+3-QN+2, EN+1=QN+2-QN+1, EN=QN+1-QN；
Ascent stage 17 is that amount of radiation is in the stage persistently risen,
I.e.：EN＜ EN+1＜ EN+2；
The setback stage 18 is that amount of radiation is in the stage for continuing to fluctuate up and down,
I.e.：EN＜ EN+2＜ EN+1；
EN+1＜ EN＜ EN+2；
EN+1＜ EN+2＜ EN；
EN+2＜ EN＜ EN+1；
EN+2＜ EN+1＜ EN；
EN＜ EN+2=EN+1；
EN+1=EN＜ EN+2；
EN+2=EN＜ EN+1；
EN=EN+1＜ EN+2；
EN+2=EN+1＜ EN；
EN+2＜ EN+1=EN；
Decline stage 19 is the stage that amount of radiation is in continuous decrease,
I.e.：EN+2＜ EN+1＜ EN；
Plateau 20 is that amount of radiation is in the continual and steady constant stage,
I.e.：EN+1=EN+2=EN。
When it is ascent stage 17 that data analysis set-up 16, which reads the data that radiation detecting apparatus 2 is consecutively detected,
Dangerous alarm module 21 will start, and the dangerous warning of progress, the mode of danger warning can be the form of pop-up, mark red shape
Formula, the form of sound, the form of light.The present embodiment preferentially carries out dangerous warning by the way of pop-up coordinates sound.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (10)
1. one kind is based on the radiation monitoring system of CT scan device (1), including CT scan
Device (1), it is characterized in that：Also include being used to detect spoke when starting shooting and not working on CT scan device (1)
The radiation detecting apparatus (2) of the amount of penetrating and output radiation detection signal, for receiving radiation detection signal and by radiation detection signal
Uploaded with preserve main control terminal (3), be connected with main control terminal (3) and display in real time is corresponding with current amount of radiation
The display device (4) of radiation index, it is connected with main control terminal (3) and the suggestion device (5) for locally being pointed out and master control
The notice device (6) that terminal (3) is connected and pointed out for base；
Pre-saving when CT scan device (1) is started shooting and do not worked most in the main control terminal (3)
Height allows the highest corresponding to radiation parameter to allow radiation signal, and the transmitting detection signal allows radiation signal to carry out with highest
Compare, when launching detection signal more than highest permission radiation signal, the suggestion device (5) is pointed out and the notice with realizing
Device (6) is given notice.
2. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 1, it is special
Levying is：The radiation detecting apparatus (2) includes data acquisition module (7), smothing filtering module (8), the data acquisition module
(7) collection of radiation data, and the arteries and veins produced using radiation are carried out to CT scan device (1) using sensor
Signal output radiation detection signal is rushed to detect the frequency of radiation；The smothing filtering module (8) is connected to data acquisition module
(7) and for removing noise and the smooth radiation detection signal that smoothly produces in radiation collection signal to main control terminal (3).
3. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 2, it is special
Levying is：The radiation detecting apparatus (2) also includes differential amplification module (9), and the differential amplification module (9) is connected to smooth filter
Ripple device, for removing the DC component in radiation collection signal, is amplified and filters arrangement to be amplified the radiation of filtering
Detect signal to main control terminal (3).
4. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 1, it is special
Levying is：Also include the time set (10) being connected with main control terminal (3), the time set (10) is swept to electronic computer tomography
The use time of imaging apparatus (1) carries out accumulative and exports current cumulative time signal and be uploaded to main control terminal (3), and the master control is whole
The safety time signal corresponding to the maximum allowable safety time of CT scan device (1) is preset with end (3),
When current cumulative time signal is more than safety time signal, the suggestion device (5) is to realize prompting, the notice device
(6) to realize notice.
5. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 4, it is special
Levying is：Also include the time pre- counter device (11) being connected with time set (10), the client being connected with notice device (6)
(12) the time expected signal less than maximum allowable safety time, is included in the time pre- counter device (11), once currently
When cumulative time signal is more than time expected signal, the notice device (6) sends time reservation signal to client (12).
6. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 5, it is special
Levying is：Also include the counting device (13) being connected with main control terminal (3), the counting device (13) is swept to electronic computer tomography
The access times of imaging apparatus (1) carry out accumulative and export current cumulative number signal and be uploaded to main control terminal (3), and the master control is whole
The Safe Times signal corresponding to the maximum allowable Safe Times of CT scan device (1) is preset with end (3),
When current cumulative number signal is more than Safe Times signal, the suggestion device (5) is to realize prompting, the notice device
(6) to realize notice.
7. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 6, it is special
Levying is：Also include the pre- counter device of counting (14) being connected with counting device (13), described count includes in pre- counter device (14)
Less than the counting expected signal of maximum allowable Safe Times, once current cumulative number is more than time counted corresponding to expected signal
During number, the notice device (6) sends counting reservation signal to client (12).
8. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 1, it is special
Levying is：Also include the intelligent regulating device (15) being connected with main control terminal (3), the intelligent regulating device (15) is to some electricity
Sub- computer tomoscanning device (1) carries out time segment and used, and controls the power supply of CT scan device (1)
The keying in loop, and the radiation detecting apparatus (2) is controlled by intelligent regulating device (15), when the electronic computer tomography is swept
When the current supply circuit of imaging apparatus (1) disconnects, the radiation detecting apparatus (2) is not detected；Conversely, the radiation detecting apparatus (2)
Detection.
9. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 1, it is special
Levying is：Also include the data analysis set-up (16) being connected with main control terminal (3), definition：Electronic computer tomography in unit interval
The amount of radiation that scanning means (1) is in start and continuously sent when not working is QN, the difference of amount of radiation is EN；That is EN+2=QN+3-
QN+2, EN+1=QN+2-QN+1, EN=QN+1-QN；
The data analysis set-up (16) includes：
Ascent stage (17), amount of radiation is in lasting rising, i.e. EN＜ EN+1＜ EN+2；
In the setback stage (18), amount of radiation, which is in, to be continued to fluctuate up and down, i.e. EN＜ EN+2＜ EN+1, EN+1＜ EN＜ EN+2, EN+1＜ EN+2＜
EN, EN+2＜ EN＜ EN+1, EN+2＜ EN+1＜ EN, EN＜ EN+2=EN+1, EN+1=EN＜ EN+2, EN+2=EN＜ EN+1, EN=EN+1＜ EN+2,
EN+2=EN+1＜ EN, EN+2＜ EN+1=EN；
Decline stage (19), amount of radiation is in continuous decrease, i.e. EN+2＜ EN+1＜ EN；
Plateau (20), amount of radiation is in continual and steady constant, i.e. EN+1=EN+2=EN。
10. a kind of radiation monitoring system for being based on CT scan device (1) according to claim 9, its
It is characterized in：The data analysis set-up (16) is also coupled to the dangerous alarm module (21) being connected with main control terminal (3), when described
When data analysis set-up (16) is in ascent stage (17), the dangerous alarm module (21) is to realize warning；Conversely, not warning
Show.
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| CN109613587A (en) * | 2018-12-13 | 2019-04-12 | 杭州旭辐检测技术有限公司 | A kind of radiation detection system |
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