CN101964510A - Radioactive source monitoring system - Google Patents
Radioactive source monitoring system Download PDFInfo
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- CN101964510A CN101964510A CN2010102004297A CN201010200429A CN101964510A CN 101964510 A CN101964510 A CN 101964510A CN 2010102004297 A CN2010102004297 A CN 2010102004297A CN 201010200429 A CN201010200429 A CN 201010200429A CN 101964510 A CN101964510 A CN 101964510A
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Abstract
The invention relates to a radioactive source monitoring system, which comprises a main control unit, a transformer unit, an alternating current/direct current (AC/DC) conversion unit, a storage battery unit, a power management unit, an interface expansion unit, a digital video unit, a stroke switch unit, a proximity switch unit, a microwave proximity warning unit, an acousto-optical warning unit, a global positioning system (GPS) unit, a communication unit and a radiation dose detection unit. The stroke switch unit, the proximity switch unit and the microwave proximity warning unit are connected with the main control unit and used for sending a control signal to the main control unit; and the acousto-optical warning unit is connected with the main control unit and used for receiving the control signal sent from the main control unit. The radioactive source monitoring system has the advantage that: the stroke switch unit, the proximity switch unit, the microwave proximity warning unit and an AC power failure detection unit which are directly connected with the main control unit can automatically provide warning signals under various abnormal conditions for the main control unit, so the safety is improved.
Description
Technical field
The invention belongs to the monitoring technique field, relate in particular to the supervisory control system that is applicable to the radioactive source monitoring.
Background technology
Radioactive source has been widely used in many fields such as chemical industry, oil, papermaking, cement, smelting, medical treatment, agricultural, its kind is more and more, mainly contains alpha ray (alpha ray), beta ray (β ray), gamma rays (gamma-rays), neutron ray (n ray) etc.Radioactive source has also stayed hidden danger when promoting the well-being of mankind; Radioactive source has become the major issue that concerns social stability, people's lives and properties to the radiation safety of environment, has become the important content of Environmental security.The radioactive source radiation accident is in case take place, and consequence is hardly imaginable, and it has the sensitiveness, panic and be difficult to characteristics such as reparation property of sudden, calamitous, society.Therefore, radioactive source applying unit and supervision unit, what at first be concerned about is the anti-lost and theft protection of radioactive source, secondly is the amount of radiation of radioactive source to environment.
Potential safety hazard in view of radioactive source, therefore need monitor radioactive source, prior art often adopts common digital video monitor system to come radioactive source is monitored, and common digital video monitor system is mainly by the monitoring of manual observation monitor video realization to radioactive source.But when radioactive source was moved or the people is arranged near radioactive source, common digital monitor system can not be reported to the police automatically, has potential safety hazard.Particularly when the people deliberately destroyed or cuts off the external communication electrical network of supervisory control system, common digital video monitor system quit work immediately, had the monitoring blind area.
Summary of the invention
The objective of the invention is to have proposed a kind of radioactive source supervisory control system in order to overcome the deficiency of existing radioactive source supervisory control system.
In order to realize the object of the invention, the invention provides a kind of radioactive source supervisory control system, a kind of radioactive source supervisory control system, comprise main control unit, transformer unit, the ac-dc conversion unit, secondary battery unit, Power Management Unit, interface expanding element and digital video unit, described transformer unit is connected with the external communication electrical network and the alternating current of external electrical network is sent into the ac-dc conversion unit after transformation is handled, described ac-dc conversion unit is converted to the alternating current of input and direct current is sent into main control unit behind the direct current and provide power supply for it, simultaneously main control unit is sent the part direct current into discharging and recharging by the Power Management Unit management of battery cells after the Power Management Unit, main control unit links to each other with Power Management Unit and transmits control signal to Power Management Unit, described main control unit is connected with the digital video unit by the interface expanding element and realizes control to digital video unit, it is characterized in that, also comprise the travel switch unit, near switch element, microwave proximity sensing unit, acousto-optic warning unit, the GPS positioning unit, communication unit and radiation dose detecting unit, described travel switch unit, near switch element, microwave proximity sensing unit is connected with main control unit in order to send control signal to main control unit, acousto-optic warning unit is connected with main control unit in order to receive the control signal that main control unit sends, GPS positioning unit, communication unit is connected with main control unit in order to work under the control of main control unit by the interface expanding element with the radiation dose detecting unit.
Above-mentioned a kind of radioactive source supervisory control system also comprises the AC dump detecting unit, described AC dump detecting unit between transformer unit and main control unit in order to send power-off signal to main control unit.
The invention has the beneficial effects as follows: with the direct-connected travel switch of main control unit unit, can be automatically provide alarm signal under the various abnormal conditions to main control unit near switch element, microwave proximity sensing unit and AC dump detecting unit, improved fail safe of the present invention, the particularly power-off signal that provides of AC dump detecting unit and the employing of secondary battery unit, make native system also can work on and provide alarm signal when externally AC network is cut off the power supply, overcome the monitoring blind area.Can further expand the function of native system with digital video unit, GPS positioning unit, communication unit and the radiation dose detecting unit that main control unit is connected by the interface expanding element, and can in time the various alarm signals and the information of native system acquisition be delivered to alarm signal or information on Surveillance center and the mandate mobile phone by mobile communications network.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention.
Fig. 2 is AC dump detecting unit of the present invention, ac-dc conversion unit, Power Management Unit and secondary battery unit circuit diagram.
Embodiment
The present invention is described further below by specific embodiment and accompanying drawing.
As shown in Figure 1, a kind of radioactive source supervisory control system, comprise main control unit, transformer unit, the ac-dc conversion unit, secondary battery unit, Power Management Unit, interface expanding element and digital video unit, described transformer unit is connected with the external communication electrical network and the alternating current of external electrical network is sent into the ac-dc conversion unit after transformation is handled, described ac-dc conversion unit is converted to the alternating current of input and direct current is sent into main control unit behind the direct current and provide power supply for it, simultaneously main control unit is sent the part direct current into discharging and recharging by the Power Management Unit management of battery cells after the Power Management Unit, main control unit links to each other with Power Management Unit and transmits control signal to Power Management Unit, described main control unit is connected with the digital video unit by the interface expanding element and realizes control to digital video unit, it is characterized in that, also comprise the travel switch unit, near switch element, microwave proximity sensing unit, acousto-optic warning unit, the GPS positioning unit, communication unit and radiation dose detecting unit, described travel switch unit, near switch element, microwave proximity sensing unit is connected with main control unit in order to send control signal to main control unit, acousto-optic warning unit is connected with main control unit in order to receive the control signal that main control unit sends, GPS positioning unit, communication unit is connected with main control unit in order to work under the control of main control unit by the interface expanding element with the radiation dose detecting unit.Main control unit and AC dump detecting unit, Power Management Unit, travel switch unit, be respectively that parallel interface by main control unit connects near being connected of switch element, microwave proximity sensing unit, acousto-optic warning unit.Being connected and connecting of digital video unit, GPS positioning unit, communication unit and radiation dose detecting unit and interface expanding element by the RS-232C serial line interface.
Described radioactive source supervisory control system also comprises the AC dump detecting unit, described AC dump detecting unit between transformer unit and main control unit in order to send power-off signal to main control unit.
In the present embodiment, the external communication electrical network adopts 220V volt general lighting electrical network.Transformer unit carries out step-down to the 220V alternating current to be handled.The ac-dc conversion unit is converted to the alternating current of input and direct current is sent into main control unit by the feeder ear of main control unit behind the direct current and provide power supply for it, simultaneously main control unit is sent the part direct current into discharging and recharging by the Power Management Unit management of battery cells after the Power Management Unit, main control unit is controlled Power Management Unit by the control end of self, and Power Management Unit is carried out management of charging and discharging by the charging end of self to secondary battery unit.Power Management Unit is under the control of main control unit, secondary battery unit is carried out management of charging and discharging, secondary battery unit is charged during not enough and external communication electrical network normal power supply when the electric weight of storage battery, externally under the situation of AC network outage, secondary battery unit discharges to main control unit, keeps the operate as normal of main control unit.The AC dump detecting unit detects the voltage of transformer unit, provide a high or low level signal to main control unit, when the external communication mains supply just often provides a high level signal to the signal end of main control unit self, signal end to main control unit self when the external communication mains supply interrupts provides a low level signal, main control unit just can be judged the operating state of external communication electrical network according to the high or low level signal of input, also in time switch to the operating state that secondary battery unit is powered to main control unit input low level signal as the power alarm signal when thereby externally AC network is interrupted, prevent the monitoring blind area.Main control unit is by MCU, and CPU or DSP form, and are the control centres of native system, it to around each unit manage and control, coordinate each unit operate as normal.The travel switch unit is when system shell is opened, and the travel switch action is sent the alarm signal of uncapping to main control unit.Near switch element in system when monitored radioactive source separates, send the separation alarm signal near switch to main control unit.Microwave proximity sensing unit sends the proximity sensing signal to main control unit when having unknown object (as the people) to enter in the radioactive source fence coverage.Acousto-optic warning unit is made up of light-emitting diode and buzzer, when main control unit detects power alarm signal that the AC dump detecting unit provides, the alarm signal of uncapping that the travel switch unit provides, the separation alarm signal that provides near switch element and microwave proximity sensing unit provide proximity sensing signal, chimes of doom is sent in lumination of light emitting diode flicker buzzer simultaneously.The interface expanding element carries out the interface expansion to main control unit, and it is a RS-232C serial line interface expanding element, so that articulate more peripheral hardware, as digital video unit, GPS positioning unit, communication unit and radiation dose detecting unit.The digital video unit is used to gather the digital video information of monitored environment, can adopt general display devices such as CRT, LCD or OLED.The GPS positioning unit provides the GPS locator data of radioactive source for supervisory control system, can report the location parameter of radioactive source at any time.Communication unit adopts general mobile communications networks such as GPRS, GSM or CDMA, can main control unit receive various alarm signals, GPS positioning unit positional parameter, radiation dose detecting unit the leakage alarm signal or/and behind the digital video information of digital video unit by mobile communications network with these signals or/and information deliver to Surveillance center and authorize on the mobile phone, so that the staff can in time go and find out what's going on and take action.The radiation dose detecting unit provides the radiation dose size of radioactive source to environment, the explanation radioactive source may leak to main control unit and send generation leakage alarm signal when monitoring radiation dose above certain value, and main control unit can be delivered to alarm signal or information on Surveillance center and the mandate mobile phone by mobile communications network after receiving this signal equally.
In the course of the work, main control unit is constantly inquired about peripheral each alarm unit such as AC dump detecting unit by parallel interface, the travel switch unit, near switch element, microwave proximity sensing unit, when any one or more warning took place, main control unit all can be controlled acousto-optic warning unit and send sound and light alarm, and the invador is played a deterrent effect; Simultaneously, main control unit sends warning message by the RS-232C serial line interface and the communication unit of interface expanding element to Surveillance center.In addition, main control unit periodically sends the GPS locator data, radioactive source of radioactive source radiation dose size and the radioactive source photo to environment to Surveillance center, so that Surveillance center manages the daily record of radioactive source.
As shown in Figure 2, AC dump detecting unit of the present invention, ac-dc conversion unit, Power Management Unit and secondary battery unit circuit diagram, described AC dump detecting unit comprises rectifier diode 1, filter capacitor 2 and two divider resistances 3,4, be connected the two ends of filter capacitor 2 behind described divider resistance 3,4 polyphones, level when external communication electrical network normal power supply between two divider resistances is a high level, be low level during interruption, described low level draws and is input to main control unit as the power alarm signal by lead.Described ac-dc conversion unit comprises rectifier diode 5 and filter capacitor 6, become DC power supply after transformer unit is carried handling through rectifier diode 5 and filter capacitor 6 through the AC power after the step-down of coming, two feeder ears of this DC power supply by main control unit are respectively positive feeder ear and negative feeder ear is powered to main control unit.Described Power Management Unit is between main control unit and secondary battery unit, main control unit can be powered to Power Management Unit and controls by the control end of self, and Power Management Unit can be finished management of charging and discharging to secondary battery unit by the charging end of self.Described secondary battery unit comprises isolating diode 7 and storage battery 8, the two ends of secondary battery unit are respectively positive feeder ear with two feeder ears of main control unit respectively and are connected with negative feeder ear, the charging end of Power Management Unit is connected between isolating diode 7 and the storage battery 8, when the external communication electrical network interrupts, transformer unit does not have alternating current output, it is the power alarm signal that the AC dump detecting unit provides a low level signal for the signal end of main control unit, the rectifier diode 5 of ac-dc conversion unit and filter capacitor 6 do not have DC power supply to output to two feeder ears of main control unit yet, isolating diode 7 conductings, storage battery 8 is powered to it by two feeder ears of main control unit, keep the operate as normal of main control unit, at this moment, no longer accumulators 8 chargings of main control unit control Power Management Unit; Otherwise, when external communication electrical network normal power supply, the AC dump detecting unit provides a high level signal for the signal end of main control unit, the rectifier diode 5 of ac-dc conversion unit and filter capacitor 6 output DC sources are to two feeder ears of main control unit, isolating diode 7 ends, and main control unit control Power Management Unit is by 8 chargings of charging end accumulators.
Those of ordinary skill in the art will appreciate that embodiment is in order to help reader understanding's principle of the present invention, should to be understood that protection scope of the present invention is not limited to such special statement and embodiment here.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not break away from essence of the present invention according to these technology enlightenments disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (3)
1. radioactive source supervisory control system, comprise main control unit, transformer unit, the ac-dc conversion unit, secondary battery unit, Power Management Unit, interface expanding element and digital video unit, described transformer unit is connected with the external communication electrical network and the alternating current of external electrical network is sent into the ac-dc conversion unit after transformation is handled, described ac-dc conversion unit is converted to the alternating current of input and direct current is sent into main control unit behind the direct current and provide power supply for it, simultaneously main control unit is sent the part direct current into discharging and recharging by the Power Management Unit management of battery cells after the Power Management Unit, main control unit links to each other with Power Management Unit and transmits control signal to Power Management Unit, described main control unit is connected with the digital video unit by the interface expanding element and realizes control to digital video unit, it is characterized in that, also comprise the travel switch unit, near switch element, microwave proximity sensing unit, acousto-optic warning unit, the GPS positioning unit, communication unit and radiation dose detecting unit, described travel switch unit, near switch element, microwave proximity sensing unit is connected with main control unit in order to send control signal to main control unit, acousto-optic warning unit is connected with main control unit in order to receive the control signal that main control unit sends, GPS positioning unit, communication unit is connected with main control unit in order to work under the control of main control unit by the interface expanding element with the radiation dose detecting unit.
2. a kind of radioactive source supervisory control system according to claim 1 is characterized in that, also comprises the AC dump detecting unit, described AC dump detecting unit between transformer unit and main control unit in order to send power-off signal to main control unit.
3. a kind of radioactive source supervisory control system according to claim 2, it is characterized in that, described AC dump detecting unit comprises rectifier diode (1), filter capacitor (2) and two divider resistances (3,4), be connected the two ends of filter capacitor (2) behind described divider resistance (3, the 4) polyphone, level between two divider resistances (3,4) draws and is input to the signal end of main control unit by lead, level when external communication electrical network normal power supply between two divider resistances is a high level, is low level during interruption.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102004297A CN101964510A (en) | 2010-06-13 | 2010-06-13 | Radioactive source monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102004297A CN101964510A (en) | 2010-06-13 | 2010-06-13 | Radioactive source monitoring system |
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| CN101964510A true CN101964510A (en) | 2011-02-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294989A (en) * | 2011-08-12 | 2011-12-28 | 原子高科股份有限公司 | Vehicle-mounted radioactive source monitoring anti-theft system |
| CN102616467A (en) * | 2012-03-01 | 2012-08-01 | 北京电通纬创电子技术有限公司 | Anti-theft intelligent transport case with radiation dose detection function |
| CN103971474A (en) * | 2014-05-19 | 2014-08-06 | 攀钢集团矿业有限公司 | Monitoring system for radioactive source |
| CN104183095A (en) * | 2014-09-04 | 2014-12-03 | 杭州湘亭科技有限公司 | Mobile radioactive source supervision system and method |
| CN106422043A (en) * | 2016-10-30 | 2017-02-22 | 天津大学 | Auxiliary automatic positioning mechanism for tumor radiotherapy seed implantation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132973A (en) * | 1994-10-28 | 1996-10-09 | 大宇电子株式会社 | Electric power cut-off detection unit for monitor |
| CN101221685A (en) * | 2008-01-24 | 2008-07-16 | 北京华力兴科技发展有限责任公司 | Method and system for automatically monitoring and real time monitoring radioactive source |
| CN201656571U (en) * | 2010-06-13 | 2010-11-24 | 成都泽鑫电脑网络有限责任公司 | Radioactive source monitoring system |
-
2010
- 2010-06-13 CN CN2010102004297A patent/CN101964510A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132973A (en) * | 1994-10-28 | 1996-10-09 | 大宇电子株式会社 | Electric power cut-off detection unit for monitor |
| CN101221685A (en) * | 2008-01-24 | 2008-07-16 | 北京华力兴科技发展有限责任公司 | Method and system for automatically monitoring and real time monitoring radioactive source |
| CN201656571U (en) * | 2010-06-13 | 2010-11-24 | 成都泽鑫电脑网络有限责任公司 | Radioactive source monitoring system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294989A (en) * | 2011-08-12 | 2011-12-28 | 原子高科股份有限公司 | Vehicle-mounted radioactive source monitoring anti-theft system |
| CN102616467A (en) * | 2012-03-01 | 2012-08-01 | 北京电通纬创电子技术有限公司 | Anti-theft intelligent transport case with radiation dose detection function |
| CN103971474A (en) * | 2014-05-19 | 2014-08-06 | 攀钢集团矿业有限公司 | Monitoring system for radioactive source |
| CN104183095A (en) * | 2014-09-04 | 2014-12-03 | 杭州湘亭科技有限公司 | Mobile radioactive source supervision system and method |
| CN106422043A (en) * | 2016-10-30 | 2017-02-22 | 天津大学 | Auxiliary automatic positioning mechanism for tumor radiotherapy seed implantation |
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Application publication date: 20110202 |