CN206757743U - A kind of personnel's flow control apparatus for radiating entrance guard linked - Google Patents
A kind of personnel's flow control apparatus for radiating entrance guard linked Download PDFInfo
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- CN206757743U CN206757743U CN201720592514.XU CN201720592514U CN206757743U CN 206757743 U CN206757743 U CN 206757743U CN 201720592514 U CN201720592514 U CN 201720592514U CN 206757743 U CN206757743 U CN 206757743U
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- 230000005855 radiation Effects 0.000 claims abstract description 62
- 230000005764 inhibitory process Effects 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000013078 crystal Substances 0.000 claims description 8
- 230000035945 sensitivity Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 231100000987 absorbed dose Toxicity 0.000 abstract description 19
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000002285 radioactive effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000009206 nuclear medicine Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229940121896 radiopharmaceutical Drugs 0.000 description 2
- 239000012217 radiopharmaceutical Substances 0.000 description 2
- 230000002799 radiopharmaceutical effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model provides a kind of personnel's flow control apparatus for radiating entrance guard linked, and it includes：At least two scintillator detectors, scintillator detector relative both sides for being installed on door respectively；Infrared inductor；Microcontroller, microcontroller communicates to connect with scintillator detector and infrared inductor, microcontroller, which receives, to be come from the radiation detection signal of scintillator detector and comes from the infrared signal of infrared inductor, and microcontroller generates access control signal according to radiation detection signal and infrared signal；And door-control lock, door-control lock are connected and received the access control signal for coming from microcontroller with microcontroller.The utility model activity-sensing equipment extra without patient worn is monitoring and the entrance guard linked that absorbed dose rate can be achieved, convenient and practical；Without staff scene or the switch of remote control gate inhibition, full-automatic patient flow control is realized, reduces cost.
Description
Technical field
A kind of access control device of the field of nuclear medicine is the utility model is related to, relates more specifically to a kind of radiation gate inhibition and connects
Personnel's flow control apparatus of lock.
Background technology
With the continuous development of nuclear medicine diagnostic and treatment technology and the drive of national policy, increasing hospital opens
If Nuclear Medicine Dept, Nuclear Medicine Dept need to use radionuclide as developer or medicine, such as Tc-99m, I-131, F-
18 etc..According to《GBZ120-2006 clinical nuclear medicine radiation health protection standards》, inject or taken radionuclide drug
The dose of radiation of patient or the absorbed dose rate of predetermined distance, which must reach level of security, can just solve control and according to regulation circuit
Control zone or supervised area are left, to avoid or reduce the radiation damage to caused by the masses around or environment.Therefore, generally cured in core
Subject is controlled and the operational region of plan patient or route using gate control system.
At present, the gate control system of Nuclear Medicine Dept has two kinds of forms：Common gate inhibition and radiation detection gate inhibition.
, it is necessary to specially there is medical personnel to use remote line traffic control or swiping card mode solution control gate inhibition for common gate inhibition,
Artificial guiding entourage and the different flow directions using the patient before and after radiopharmaceutical, the gate control system of this kind of form need compared with
High personnel cost and management cost.
For radiation detection gate inhibition, it is necessary to wear radiation detector with patient, to watch when patient needs to go on a journey
Member's application, when patient passes through gate inhibition, radiation detector uploads onto the server data, and medical personnel check disease on the server
The radiation event of people, the remote opening gate inhibition if level of security is reduced to.For example one kind is used for disclosed in CN201410139797
The gate control system of dose of radiation control, including：Electromagnetic lock, background monitoring center and at least one dose of radiation detector, each spoke
Penetrate dose monitor to communicate wirelessly with background monitoring center, background monitoring center electrically connects with electromagnetic lock；Gate control system
Also include corresponding the wireless launcher electrically connected with dose of radiation detector, background monitoring center includes main frame and and main frame
The wireless receiver of electrical connection, each wireless launcher communicate wirelessly with wireless receiver, and main frame passes through wire and electromagnetism
Lock electrical connection.Electromagnetic lock is arranged in the door body of radiation control room, and a spoke is worn with each patient in control room
Dose monitor is penetrated, each dose of radiation detector detects the dose of radiation with its corresponding patient in real time, and will detect
Data be uploaded to background monitoring center, when the dose of radiation with patient is reduced to safety standard value, staff
Electromagnetic lock is controlled to power off by background monitoring center, control room door body is opened, and patient can leave control room；Spoke with patient
When penetrating dosage and being on safety standard value, electromagnetic lock is powered always, and control room door body is closed, and patient can not leave control room.
But this kind of gate control system still needs manual control gate inhibition, the flow direction of patient is controlled, therefore fails to save labour turnover,
The more Nuclear Medicine Dept of diagnosis and treatment patient can put into very big equipment cost.
Utility model content
The purpose of this utility model is to provide a kind of personnel's flow control apparatus for radiating entrance guard linked, existing so as to solve
The problem of gate inhibition needs manual control and higher cost is radiated in technology.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is to provide a kind of personnel for radiating entrance guard linked
Flow control apparatus, personnel's flow control apparatus include：At least two scintillator detectors, scintillator detector are relative respectively
The both sides for being installed on door；Infrared inductor；Microcontroller, microcontroller and scintillator detector and infrared induction
Device communicates to connect, and microcontroller receives the radiation detection signal for coming from scintillator detector and comes from infrared induction
The infrared signal of device, microcontroller generate access control signal according to radiation detection signal and infrared signal；And door-control lock,
Door-control lock is connected and received the access control signal for coming from microcontroller with microcontroller.
According to one embodiment of the present utility model, personnel's flow control apparatus also includes console, console with it is micro-
Type controller communicates to connect, and console receives access control signal and radiation detection signal caused by microcontroller, control
Platform sends artificial intervention instruction to microcontroller.
According to one embodiment of the present utility model, microcontroller can by Zigbee, wifi, RS-485/RS232,
A kind of in Ethernet sends access control signal and radiation detection signal to the server of console to be shown.
According to another embodiment of the present utility model, personnel's flow control apparatus also includes access controller, gate inhibition
Controller communicates to connect with microcontroller and door-control lock, and access controller receives access control signal and sends work to door-control lock
Make signal.
Scintillator detector is arranged on apart from position high ground 1.5m.
Scintillator detector is made using scintillation crystal, and scintillation crystal includes NaI, BGO, CsI etc..
The sensitivity of scintillator detector is more than 20 times of the Geiger counter tube of same volume.
The sensitivity of scintillation crystal is to be not less than 40CPS/ μ Gy/h for Cs-137.
The transmission of microcontroller support serial line interface RS-485, RS-232, universal asynchronous receiving-transmitting transmitter, Ethernet with
And CMOS/TTL logic control level datas.
Door-control lock includes electromagnetic lock and mechanical lock.
Personnel's flow control apparatus of radiation entrance guard linked provided by the utility model, patient need not wear extra radiation
Detecting devices is monitoring and the entrance guard linked that absorbed dose rate can be achieved, convenient and practical；It is controlled by microcontroller, nothing
Staff scene or the switch of remote control gate inhibition are needed, realizes full-automatic patient flow control；Using twin scintillator detector
The reliability of gate inhibition is improved, reduces false triggering rate；Patient is monitored by exempting staff master using infrared inductor
The startup of dynamic monitoring access control, reduces cost.
Brief description of the drawings
Fig. 1 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
Connection diagram；
Fig. 2 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
The placement schematic diagram of scintillator detector；
Fig. 3 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
The operating diagram of one side triggering；
Fig. 4 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
The operating diagram of bilateral triggering；
Fig. 5 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
The operating diagram of normal condition.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.It should be understood that following examples are only used for
Bright the utility model is not for limitation the scope of the utility model.
Fig. 1 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
Connection diagram, as shown in Figure 1, personnel's flow control apparatus of radiation entrance guard linked provided by the utility model include：At least
Two scintillator detectors 10, infrared inductor 20, microcontroller 30, console 40, access controller 50 and door-control lock
60, wherein, at least two scintillator detectors 10 relative both sides for being installed on door respectively, scintillator detector 10 and infrared ray
Inductor 20 communicates to connect with microcontroller 30 respectively, and scintillator detector 10 transmits radiation detection letter to microcontroller 30
Number, infrared inductor 20 transmits infrared signal to microcontroller 30；Microcontroller 30 also respectively with console 40 and door
Prohibit controller 50 to communicate to connect, microcontroller 30, which receives, comes from the radiation detection signal of scintillator detector 10 and from red
The infrared signal of outside line inductor 20 simultaneously generates access control signal, and microcontroller 30 is to console 40 and access controller 50
Transmit the access control signal；Console 40 receives the access control signal and radiation detection signal and in the service of console
Unified display, console 40 can also send artificial intervention instruction to microcontroller 30 as needed on device；Access controller
50 receive the access control signal and send work of the working signal with access control lock 60 to door-control lock 60；The basis of door-control lock 60
The working signal received opens or closes door.
Fig. 2 is personnel's flow control apparatus according to the radiation entrance guard linked of a preferred embodiment of the present utility model
The placement schematic diagram of scintillator detector 10, as shown in Figure 2, scintillator detector 10 include primary scintillator detector 11 and the
Two scintillator detectors 12, primary scintillator detector 11 and secondary fluor detector 12 are relative installed in the two of door respectively
Side.Preferably, scintillator detector 10 is arranged on apart from position high ground 1.5m, the trunk position of position correspondence most people
Put, so as to more easily detect radiation source.Scintillator detector 10 is made using scintillation crystal, including conventional flicker
Crystal, such as NaI, BGO, CsI etc..The sensitivity of scintillator detector 10 is more than 20 times of the Geiger counter tube of same volume, example
The sensitivity of the scintillation crystal used such as the utility model is is not less than 40CPS/ μ Gy/h for Cs-137, so as to ensure to flash
Bulk detector 10 has quick response for medical treatment using nucleic such as F-18, I-131, Tc-99m of activity.
The measured value of two scintillator detectors 10 and it is inversely proportional apart from the distance of radioactive source, the radioactive source is had used
The patient of radiopharmaceutical or any radioactive other staff of carrying.A common condition is that when radioactive source passes through from door center,
Such as the direction of arrow in Fig. 2, two scintillator detectors 10 measure radioactive source by with radioactive source just in door simultaneously
Whether the state of centre solves the reasonable assessment of the absorbed dose rate threshold value of control as gate inhibition.The absorbed dose rate is with following formula table
Show：
K=(A/r2)*Γ
Wherein, K is absorbed dose rate, and A is radioactive source activity, and r is the distance between radioactive source and scintillator detector, Γ
It is Kerma constant.
Scintillator detector 10 continuously transmits radiation detection signal, primary scintillator detection to microcontroller 30
Device 11 and secondary fluor detector 12 carry out actinometry and transmit radiation detection signal to microcontroller 30 simultaneously simultaneously,
The radiation detection signal is absorbed dose rate.It is default according to itself after microcontroller 30 receives the radiation detector signal
Absorbed dose rate threshold value is compared, wherein, when the measured value for the absorbed dose rate that any one scintillator detector 10 is sent
During more than absorbed dose rate threshold value, microcontroller 30 produces the first disabling signal, produces the first enable signal in the case of other.
Fig. 3-Fig. 5 is to flow to control according to the personnel of the radiation entrance guard linked of a preferred embodiment of the present utility model respectively
The unilateral triggering of device processed, bilateral trigger and the operating diagram of normal condition.Understood with reference to Fig. 2, as the patient with source of penetrating
During by gate inhibition, such as shown in Fig. 3, when the patient with source of penetrating is close to the process gate inhibition of secondary fluor detector 12, second
Scintillator detector 12 detects the threshold value that absorbed dose rate exceedes setting, and now, microcontroller 30 produces the first disabling letter
Number, it is now unilateral triggering situation.With reference to shown in Fig. 2 and Fig. 4, when the patient with source of penetrating from door centre by when, first
Scintillator detector 11 and secondary fluor detector 12 detect the threshold value that absorbed dose rate exceedes setting simultaneously, now, micro-
Type controller 30 produces the first disabling signal, is now bilateral triggering situation.With reference to shown in Fig. 2 and Fig. 5, when nobody passes through gate inhibition
Or when without the patient in source of penetrating passing through gate inhibition, primary scintillator detector 11 and secondary fluor detector 12 detect less than
More than the radiation detection signal of given threshold, microcontroller 30 produces the first enable signal, is now normal condition.Two sudden strains of a muscle
Bright bulk detector 10 carries out radiation detection simultaneously, effectively avoid the patient with radioactive source close to the side of door by when,
Scintillator detector apart from radioactive source can not accurately detect too far the problem of.
Infrared inductor 20 is arranged on the top of doorframe so as to detecting and control the two-way stream of people.Infrared inductor 20
Infrared signal is sent to microcontroller 30.Microcontroller 30 judged after receiving the infrared signal, wherein, work as someone
Trigger infrared inductor 20 during through moving into one's husband's household upon marriage, infrared inductor 20 to microcontroller 30 send for the second enable signal,
Infrared inductor 20 disables signal to what microcontroller 30 was sent for second in the case of other.Infrared inductor 20 is installed
Inside and outside doorframe, can scan inside and outside door it is two-way whether someone pass through.
In the utility model, scintillator detector 10 and infrared inductor 20 realize that the dose equivalent rate of radiation is surveyed respectively
The measurement whether amount and people pass through.The one side of microcontroller 30 realizes the processing of radiation detection signal and infrared signal, i.e., micro-
The absorbed dose rate data that type controller 30 is sent according to the scintillator detector 10 got, and default absorbed dose rate threshold
Value is compared, while obtains the infrared signal of infrared inductor 20, analyses whether that someone is in gated area；Miniature control
On the other hand device 30 processed coordinates the data communication of the server of scintillator detector 10 and console 40, i.e., microcontroller 30 to
Console 40 sends the absorbed dose rate data that scintillator detector 10 measures, so as to be carried out on the server of console 40
Data are shown.
Microcontroller 30 is according to the caused first disabling signal, the first enable signal and the second disabling signal and second
Enable signal carries out comprehensive descision, and if only if microcontroller 30 produce the second enable signal and the first enable signal when
Wait, microcontroller 30 sends access control signal to access controller 50 and locks 60 with opening gate, and patient can pass through；Other
In the case of close door-control lock, no thoroughfare.Illustrated in order to clearer, enumerate the four kinds of situations run into below：
The first situation：When someone passes through, infrared inductor 20 detects infrared signal and sent to miniature control
Device 30, microcontroller 30 produce the second enable signal；Scintillator detector 10 by the radiation detection signal detected send to
Microcontroller 30, when the absorbed dose rate of the people exceedes threshold value, microcontroller produces the first disabling signal, now, by
The second enable signal and the first disabling signal are generated simultaneously in microcontroller 30, and microcontroller 30 is not to access controller
50 send access control signal, and door-control lock 60 can not be opened, and gate inhibition is closed；
Second of situation：When nobody passes through, infrared inductor 20 detects infrared signal and sent to miniature control
Device 30, microcontroller 30 produce the second disabling signal；Due to passing through without radioactive source, microcontroller 30 produces the first enabled letter
Number, now, because microcontroller 30 generates the second disabling signal and the first enable signal simultaneously, microcontroller 30 not to
Access controller 50 sends access control signal, and door-control lock 60 can not be opened, and gate inhibition is closed；
The third situation：When someone passes through, infrared inductor 20 detects infrared signal and sent to miniature control
Device 30, microcontroller 30 produce the second enable signal；Scintillator detector 10 by the radiation detection signal detected send to
Microcontroller 30, when the absorbed dose rate of the people is less than threshold value, microcontroller produces the first enable signal, now, by
The first enable signal and the second enable signal are generated in microcontroller 30 simultaneously, and microcontroller 30 is to access controller 50
Access control signal is sent, door-control lock 60 is opened, and gate inhibition is in opening, and the personnel of radiation safety can pass through；
4th kind of situation；When nobody passes through, infrared inductor 20 detects infrared signal and sent to miniature control
Device 30, microcontroller 30 produce the second disabling signal；Now, if the absorbed dose rate that detects of scintillator detector still above
Threshold value, such as core refuse pollution etc., microcontroller 30 produce the first disabling signal, now, due to microcontroller 30 simultaneously
The first disabling signal and the second disabling signal are generated, microcontroller 30 does not send access control letter to access controller 50
Number, door-control lock 60 can not be opened, and gate inhibition is closed.
Serial line interface RS-485, RS-232, universal asynchronous receipts are supported in the transmission of microcontroller 30 in the utility model
The communication signals such as transmitter (UART), Ethernet are sent out, CMOS/TTL logic control level datas is also supported, is applicable to all kinds of doors
Access control system.Microcontroller 30 can also will be flashed by the wireless telecommunications such as Zigbee, wifi or RS-485/RS232, Ethernet
Bulk detector and access control signal etc. are sent to the server of console, are uniformly shown on the server, staff
The patient flow of observation tube reason whole region can be facilitated by server.
Door-control lock in the utility model includes the mechanical device of all access controls such as electromagnetic lock, mechanical lock.
Personnel's flow control apparatus of radiation entrance guard linked provided by the utility model, has advantages below：
First, patient need not wear monitoring and the gate inhibition company that absorbed dose rate can be achieved in extra activity-sensing equipment
Lock, it is convenient and practical；
Second, it is controlled by microcontroller, without staff scene or the switch of remote control gate inhibition, is realized
Full-automatic patient flow control；
3rd, the reliability of gate inhibition is improved using twin scintillator detector, reduces false triggering rate；Using highly sensitive solid
The scintillator detector of fixed pattern, response speed will be compared with the detectors such as same size geiger's tube fast more than 90%；
4th, patient is monitored by exempting the startup that staff actively monitors access control using infrared inductor；
5th, microcontroller can export the logic controls such as RS-232/RS-485, UART, Ethernet, CMOM/TTL simultaneously
Signal, as the input of access controller, compatible a variety of gate inhibitions and door lock, strong adaptability.
It is above-described, preferred embodiment only of the present utility model, the scope of the utility model is not limited to, this
Above-described embodiment of utility model can also make a variety of changes.I.e. every claims according to the present utility model application and
Simple, the equivalent changes and modifications that description is made, fall within the claims of the utility model patent.This
The not detailed description of utility model is routine techniques content.
Claims (10)
1. a kind of personnel's flow control apparatus for radiating entrance guard linked, it is characterised in that personnel's flow control apparatus includes：
At least two scintillator detectors, the scintillator detector relative both sides for being installed on door respectively；
Infrared inductor；
Microcontroller, the microcontroller communicate to connect with the scintillator detector and the infrared inductor, institute
Microcontroller is stated to receive the radiation detection signal for coming from the scintillator detector and come from the infrared induction
The infrared signal of device, the microcontroller are believed according to the radiation detection signal and infrared signal generation access control
Number；And
Door-control lock, the door-control lock are connected and received the access control for coming from the microcontroller with the microcontroller
Signal.
2. personnel's flow control apparatus of radiation entrance guard linked according to claim 1, it is characterised in that personnel's stream
Also include console to control device, the console communicates to connect with the microcontroller, described in the console reception
Access control signal and radiation detection signal caused by microcontroller, the console is to the microcontroller sender
Work intervention instruction.
3. personnel's flow control apparatus of radiation entrance guard linked according to claim 2, it is characterised in that the miniature control
Device processed passes through a kind of by the access control signal and the radiation spy in Zigbee, wifi, RS-485/RS232, Ethernet
Signal is surveyed to send to the server of the console.
4. personnel's flow control apparatus of radiation entrance guard linked according to claim 1, it is characterised in that personnel's stream
Also include access controller, the access controller and the microcontroller and the door-control lock communication link to control device
Connect, the access controller receives the access control signal and sends working signal to the door-control lock.
5. personnel's flow control apparatus of radiation entrance guard linked according to claim 1, it is characterised in that the scintillator
Detector is arranged on apart from position high ground 1.5m.
6. personnel's flow control apparatus of radiation entrance guard linked according to claim 1, it is characterised in that the scintillator
Detector is made using scintillation crystal, and the scintillation crystal includes NaI, BGO, CsI.
7. personnel's flow control apparatus of radiation entrance guard linked according to claim 6, it is characterised in that the scintillator
Detector sensitivity is more than 20 times of the Geiger counter tube of same volume.
8. personnel's flow control apparatus of radiation entrance guard linked according to claim 7, it is characterised in that the flicker is brilliant
The sensitivity of body is to be not less than 40CPS/ μ Gy/h for Cs-137.
9. personnel's flow control apparatus of radiation entrance guard linked according to claim 1, it is characterised in that the miniature control
Serial line interface RS-485, RS-232, universal asynchronous receiving-transmitting transmitter, Ethernet and CMOS/TTL logics are supported in the transmission of device processed
Control level data.
10. personnel's flow control apparatus of radiation entrance guard linked according to claim 1, it is characterised in that the gate inhibition
Lock includes electromagnetic lock and mechanical lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592514.XU CN206757743U (en) | 2017-05-25 | 2017-05-25 | A kind of personnel's flow control apparatus for radiating entrance guard linked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592514.XU CN206757743U (en) | 2017-05-25 | 2017-05-25 | A kind of personnel's flow control apparatus for radiating entrance guard linked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757743U true CN206757743U (en) | 2017-12-15 |
Family
ID=60620188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720592514.XU Active CN206757743U (en) | 2017-05-25 | 2017-05-25 | A kind of personnel's flow control apparatus for radiating entrance guard linked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206757743U (en) |
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2017
- 2017-05-25 CN CN201720592514.XU patent/CN206757743U/en active Active
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