CN110136855A - Containment high range area radiation monitoring device - Google Patents
Containment high range area radiation monitoring device Download PDFInfo
- Publication number
- CN110136855A CN110136855A CN201910521615.1A CN201910521615A CN110136855A CN 110136855 A CN110136855 A CN 110136855A CN 201910521615 A CN201910521615 A CN 201910521615A CN 110136855 A CN110136855 A CN 110136855A
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- Prior art keywords
- insulator
- ionisation chamber
- processing unit
- containment
- hard cable
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/185—Measuring radiation intensity with ionisation chamber arrangements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/003—Remote inspection of vessels, e.g. pressure vessels
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/14—Period meters
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention belongs to nuclear radiation monitorings and protection technology field, more particularly to high range area radiation monitoring device after a kind of accident, the monitoring device includes the sensitive ionisation chamber detection device of γ being mounted in containment, and the hard cable interconnecting device being connect by hard cable with the sensitive ionisation chamber detection device of γ, the detection device further includes the front-end processing unit for passing through hard cable connection with hard cable interconnecting device between containment external pelivimetry is arranged in, and it is arranged in the radiation processing unit on the spot on the wall between containment external pelivimetry, the radiation processing unit on the spot is communicated by RS485 interface with front-end processing unit, radiation processing unit is connect junction box with ionization chamber detector and on the spot respectively, and provide power supply, measurement range 1 × 10 of the invention‑2Gy/h~1 × 105Gy/h measurement range is wide, and range width reaches 8 orders of magnitude, and the measurement upper limit reaches 105Gy/h；And the accident conditions such as radiation resistance, high temperature resistant, high pressure resistant, resistance to high humidity.
Description
Technical field
The invention belongs to nuclear radiation monitorings and protection technology field, and in particular to high range area radiation is supervised after a kind of accident
Survey device.
Background technique
As China's Energy restructuring and environmental protection pressure increase, Construction of Nuclear Electricity paces will be accelerated, each presurized water reactor
The construction of nuclear power unit all will be along with containment high range area radiation monitor rigid demand, while two generations of operation early period
Or two generation modified nuclear power unit initially enter I&C system alteration stage, also have to containment high range area radiation monitor
Mass market demand.
Containment high range area radiation monitor is main for continuously measuring the γ radiation dose rate in npp safety shell
It is used to find and identify nuclear power plant's accident, rather than for protecting nuclear power plant staff；Containment high range area radiation
Monitor also serves as post accident monitoring, measures the gamma dose rate variation in containment after the accident, is accident mitigation or accident
Processing provides foundation.
Summary of the invention
In view of this, there is provided high range area radiation monitoring devices after a kind of accident for the main object of the present invention.
The technical solution adopted by the present invention are as follows:
A kind of containment high range area radiation monitoring device, the detection device include the γ that is mounted in containment sensitive
Ionisation chamber detection device, and the hard cable interconnecting device being connect by hard cable with the sensitive ionisation chamber detection device of γ, the detection
Device further includes the front-end processing unit between containment external pelivimetry is arranged in hard cable interconnecting device by hard cable connection, and
The radiation processing unit on the spot being arranged on the wall between containment external pelivimetry, the radiation processing unit on the spot pass through RS485
Interface is communicated with front-end processing unit, and radiation processing unit is connect junction box with ionization chamber detector and on the spot respectively, and
Power supply is provided.
Further, the sensitive ionisation chamber detection device of the γ and hard cable interconnecting device are installed in ionisation chamber firm banking
On, the sensitive ionisation chamber detection device of γ is isolated by 4 insulating supporting columns with ionisation chamber firm banking, the sensitive electricity of γ
It include ionisation chamber from room detection device, which includes the ionisation chamber ontology protecting valve jacket and being placed in protection valve jacket, ionization
The front end of room ontology is equipped with insulator, is arranged with front end insulator and hard cable anchor block along insulator periphery, protrudes into ionisation chamber
The end of interior hard cable and hard cable protective sleeve is fixed on hard cable anchor block, and connecting cable connector, the ionisation chamber
The rear end of ontology is equipped with rear end insulator, and two groups of disc springs are equipped between rear end insulator and ionisation chamber ontology；Ionisation chamber sheet
Body include coaxial arrangement outer layer high-field electrode, collector and central high pressure electrode, and outer layer high-field electrode, collector with
And central high pressure electrode is fixed by insulator, the collector extends insulator, and connect with cable connector, along collector
It is equipped with collector housing with the periphery of cable connector coupling part, the front end of the central high pressure electrode is embedded in inspection source.
Further, the rear end of the outer layer high-field electrode is welded with high pressure tail end, the central high pressure electrode tail end with
The connection of high pressure threads is equipped with tail end insulator, the tail end insulator end thereof contacts in the tail end two sides of central high pressure electrode
High pressure tail end is equipped with one group of spring between the other end and collector；Central high pressure electrode front end is equipped with head end insulator,
Between the centrally disposed high-field electrode front end of the inspection source and head end insulator.
Further, two groups of insulating supporting rings, the central high pressure are equipped between the protection valve jacket and ionisation chamber ontology
Four groups of disc springs are equipped between electrode and insulator.
Further, the rear end of the protection valve jacket is equipped with air inflation nozzle, which passes through on ionisation chamber ontology tail end
Aperture to its inner inflatable, the rear end of the protection valve jacket is simultaneously connected through a screw thread rear cover, the front end weldering of the protection valve jacket
Connect front cover.
Further, the ionisation chamber firm banking uses 316L stainless steel, height and wall thickness be respectively 27mm and
3mm。
Further, polyimides fixed block is installed inside the hard cable interconnecting device, connector is fixed on fixation
On block, which includes the Male head connector and female connector of mirror symmetry setting, and the Male head connector includes male connector
Shell has been respectively pressed into male connector front end insulator and male connector tail end insulator in the front and back end of male connector shell, in male connector shell tail
It is equipped with tail between end and tail folder and presss from both sides graphite gasket I, it is exhausted that hard cable sequentially passes through tail folder I, male connector tail end insulator and male connector front end
Edge body and male connector inner core weld；The female connector includes female shell, has been respectively pressed into mother in the front and back end of female shell
Head front end insulator and female tail end insulator are equipped with tail between female shell tail end and tail folder II and press from both sides graphite gasket II, firmly
Cable sequentially passes through tail folder, female tail end insulator and female front end insulator and female inner core and welds, the male connector shell with
It is equipped with graphite gasket at female cage connection, is sealed.
Further, the front-end processing unit includes variable gain amplifier, V/F converter and ARM controlling unit,
The variable gain amplifier is connect by hard cable with the sensitive ionisation chamber detection device of γ, and the variable gain amplifier passes through
V/F converter unit connects ARM controlling unit, and ARM controlling unit is connected to radiation processing unit on the spot by RS485 interface.
Further, the radiation processing unit on the spot includes ARM central processing unit and connect with ARM primary processor
Display screen, input keyboard, the port RS485, the network port and multiple ports I/O,
The display screen shows measurement data by the format of setting；
The keyboard inputs corresponding information；
The data that the RS485 port transmission or receiving front-end processing unit are sent；
The network port, which is realized, communicates and exchanges data with outer computer；
I/the O port receives measured temperature, pressure and flow signal, output alarm or switch control signal.
Beneficial effects of the present invention: the present invention detects gamma Rays, measurement range 1 × 10-2Gy/h~1 × 105Gy/h
Measurement range is wide, and range width reaches 8 orders of magnitude, and the measurement upper limit reaches 105Gy/h；And radiation resistance, high temperature resistant, it is high pressure resistant,
The accident conditions such as resistance to high humidity.
Detailed description of the invention
Fig. 1 is the principle of the present invention connection framework schematic diagram；
Fig. 2 is the sensitive ionisation chamber detection device of γ and hard cable interconnecting device installation diagram in the present invention；
Fig. 3 is the structural schematic diagram of the sensitive ionisation chamber detection device of γ in the present invention；
Fig. 4 is the structural schematic diagram of hard cable interconnecting device in the present invention；
Fig. 5 is the frame principle of front-end processing unit in the present invention；
Fig. 6 is frame principle in the present invention.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
Referring to Fig.1, the invention particularly discloses a kind of containment high range area radiation monitoring device, the detection device packets
The sensitive ionisation chamber detection device 1 of the γ being mounted in containment is included, and passes through hard cable and the sensitive ionisation chamber detection device of γ
The hard cable interconnecting device 2 of connection, the detection device further include being arranged between containment external pelivimetry to pass through firmly with hard cable interconnecting device
Radiation processing unit 4 on the spot in the front-end processing unit 3 of cable connection, and the wall that is arranged between containment external pelivimetry,
The radiation processing unit on the spot 4 is communicated with front-end processing unit 3 by RS485 interface, junction box 5 respectively with ionisation chamber
Detector 1 and on the spot radiation processing unit 4 connect, and provide power supply.
Containment high range area radiation monitoring device parameter setting is as shown in table 1-1:
Table 1-1 monitoring device parameter setting
As shown in Figure 2,3, it is stainless to be installed in 316L for the sensitive ionisation chamber detection device 1 of the γ and hard cable interconnecting device 2
On steel ionisation chamber firm banking 6, height 27mm, wall thickness 3mm, the sensitive ionisation chamber detection device of γ pass through 4
Insulating supporting column 7 is isolated with ionisation chamber firm banking, and the sensitive ionisation chamber detection device 1 of γ includes ionisation chamber, the ionisation chamber
Detection device overall physical dimensions (length × width × height): 850mm × 150mm × 130mm, device total weight≤8.5kg comprising
Protection valve jacket 101 and the ionisation chamber ontology being placed in protection valve jacket 101, the front end of ionisation chamber ontology is equipped with insulator 106, along exhausted
106 periphery of edge is arranged with front end insulator 112 and hard cable anchor block 111, protrudes into the indoor hard cable 108 of ionization and hard electricity
The end of cable protection set 109 is fixed on hard cable anchor block 111, and connecting cable connector, the rear end of the ionisation chamber ontology
Equipped with rear end insulator 114, two groups of disc springs 117 are installed between rear end insulator 114 and ionisation chamber ontology；Ionisation chamber ontology
Outer layer high-field electrode 102, collector 103 and central high pressure electrode 104 including coaxial arrangement, and outer layer high-field electrode
102, collector 103 and central high pressure electrode 104 are fixed by insulator 106, and the collector 103 extends insulator
106, and connect with cable connector, the periphery along collector 103 Yu cable connector coupling part is equipped with collector housing 107, institute
State the front end insertion inspection source 105 of central high pressure electrode 104；The rear end of the protection valve jacket 1 is equipped with air inflation nozzle 116, this is filled
For gas nozzle 116 by the aperture on ionisation chamber ontology tail end to its inner inflatable, the rear end of the protection valve jacket 101 simultaneously passes through screw thread
Rear cover is connected, front cover is welded in the front end of the protection valve jacket 101；It ionizes chamber size (diameter × length)Add
After stainless steel protection set, detector size (diameter × length)Weight about 2.5kg；In inflation, wiring, weldering
After connecing technique completion, entire ionisation chamber is that a non-removable sealing is whole.
Between the protection valve jacket 101 and ionisation chamber ontology be equipped with two groups of insulating supporting rings 113, using interference fit to prevent
Radial displacement is generated with shell when only ionisation chamber ontology is vibrated；Four are equipped between the central high pressure electrode 104 and insulator 106
Group disc spring 117, is equipped with one group of spring 118 between the collector 104 and rear end insulator 114, when welding encapsulation to one
Fixed pre-pressing force makes to be reliably connected between three coaxial electrodes, and mutually displacement occurs when preventing vibrated；In ionisation chamber ontology with after
Two groups of disc springs 117 being arranged between the insulator 114 of end fixed electricity of welding shell in the state of pre-pressing force certain to ionisation chamber
From room, to prevent ionisation chamber from generating axial displacement with shell when vibrated.
It is isolated between the ionisation chamber ontology and protection valve jacket 101 using insulating materials, 102 He of outer layer high-field electrode
Central high pressure electrode 104 is isolated between collector 103 using insulating materials respectively；The rear end insulator 114, front end insulation
Body 112, insulator 106 and insulating materials are all made of radiation hardness material polyimides, polyimide high temperature-resistant up to 400 DEG C with
On, -200 DEG C of long-term use temperature range~300 DEG C；Polyimides also has good dielectric properties, and dielectric constant is 3.4 left
The right side, dielectric loss only 0.004~0.007；Its film of polyimides strength retention after the fast electron irradiation of 5 × 109rad is
90%, with very high radiation-resistant property；Its thermal expansion coefficient has good at 2 × 10-5m/ DEG C~3 × 10-5m/ DEG C
Thermal stability.
In hard cable 108 and 115 junction of front cover, devise one section of longer hard cable protective sleeve of stainless steel, sheath with
Rear cover uses argon arc welding welding, and hard cable 108 is welded using copper or silver brazing with hard cable protective sleeve 109, played in earthquake
Protect the effect of hard cable and welded seam；The indoor hard cable of ionization will be protruded into and hard cable protective sleeve is fixed on hard cable and consolidates
In reservation, cable connector is reconnected, to guarantee that hard cable stress is not transferred to cable connector when front cover welds or is vibrated
On, prevent the virtual connection of cable connector stress or disconnection；The outer end face of the insulator 106 is ladder-like in convex, the collector 103
It stretches out across insulator and is connect with cable connector outward, coupling part periphery is arranged with collector sheath, and the outer layer is high
Piezoelectricity pole 102 is fixed on insulator to be retracted inside.
As shown in figure 4, being equipped with polyimides fixed block inside the hard cable interconnecting device, connector is fixed on fixation
On block, on the one hand which guarantees connector current potential floating, bears the pulling force from hard cable, on the other hand to prevent in work
In journey wiring process, lead to connector Joint failure since hard cable pulling power is excessive；The connector includes mirror symmetry setting
Male head connector and female connector, the Male head connector includes male connector shell 201, in the front and back end of male connector shell 201
Be respectively pressed into male connector front end insulator 202 and male connector tail end insulator 203,201 tail end of male connector shell and tail folder I 204 it
Between be equipped with tail press from both sides graphite gasket I 205, hard cable sequentially pass through tail folder I 204, male connector tail end insulator 203 and male connector front end insulation
Body 202 and male connector inner core 206 weld；The female connector includes female shell 207, in the front and back end of female shell 207 point
Ya Ru there are not female front end insulator 208 and female tail end insulator 209, between 207 tail end of female shell and tail folder II 210
Graphite gasket II 211 is pressed from both sides equipped with tail, hard cable sequentially passes through tail folder II 210, female tail end insulator 209 and the insulation of female front end
Body 208 and female inner core 212 weld, and the male connector shell 201 and 207 junction of female shell are equipped with graphite gasket 213, carry out
Sealing.
Hard cable jacket and tail folder I 204 and tail folder II 210 are all made of copper/silver brazing and weld, hard cable core and male connector inner core
206 and female inner core 212 welding using high temperature scolding tin be brazed；The sealing of tail folder I 204 and tail folder II 210 and connector shell
And the sealing of Male/female connector compresses sealing using lead pad；Lead pad has good ductility, can get good leakproofness.
As shown in Figure 5,6, the front-end processing unit includes that variable gain amplifier, V/F converter and ARM control are single
Member, the variable gain amplifier are connect by hard cable with the sensitive ionisation chamber detection device of γ, the variable gain amplifier
ARM controlling unit is connected by V/F converter unit, ARM controlling unit is connected to radiation treatment list on the spot by RS485 interface
Member.
The output signal of the sensitive ionisation chamber detection device of γ is suitably put by hard cable transmission into variable gain amplifier
Greatly, subsequently into V/F conversion module, acquisition, the processing circuit of ARM controlling unit are entered back into.When the sensitive ionisation chamber detection dress of γ
Set output electric current it is larger when, ARM control adjustable gain amplifying circuit reduce amplification factor.
Front-end processing unit is communicated by RS485 interface with radiation processing unit on the spot, and measured data is transferred to
Radiation processing unit is processed and displayed on the spot.
The radiation processing unit on the spot includes ARM central processing unit and the display screen connecting with ARM primary processor, defeated
Enter keyboard, the port RS485, the network port and multiple ports I/O, the display screen shows measurement data by the format of setting；
The keyboard inputs corresponding information；The data that the RS485 port transmission or receiving front-end processing unit are sent；The network
Port, which is realized, communicates and exchanges data with outer computer；The port I/O receives measured temperature, pressure and flow letter
Number, output alarm or switch control signal.
Pass through the sensitive ionisation chamber detection device of γ, hard cable, front-end processing unit, on the spot radiation processing unit and wiring
The overall performance feature for the containment high range area radiation monitoring device that the connection of case is formed is as shown in table 1-2.
Table 1-2 monitor overall performance feature
Technical solution disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein
Example is expounded the principle and embodiment of the embodiment of the present invention, and the explanation of above embodiments is only applicable to help to understand
The principle of the embodiment of the present invention；At the same time, for those skilled in the art is being embodied according to an embodiment of the present invention
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as to limit of the invention
System.
Claims (9)
1. containment high range area radiation monitoring device, which is characterized in that the sensitive ionization of γ including being mounted in containment
Room detection device, and the hard cable interconnecting device being connect by hard cable with the sensitive ionisation chamber detection device of γ, the detection device
It further include the front-end processing unit between containment external pelivimetry is set with hard cable interconnecting device by hard cable connection, and arrangement
Radiation processing unit on the spot on wall between containment external pelivimetry, the radiation processing unit on the spot pass through RS485 interface
It is communicated with front-end processing unit, radiation processing unit is connect junction box with ionization chamber detector and on the spot respectively, and is provided
Power supply.
2. containment high range area radiation monitoring device according to claim 1, which is characterized in that the sensitive electricity of γ
It is installed on ionisation chamber firm banking from room detection device and hard cable interconnecting device, the sensitive ionisation chamber detection device of γ is logical
It crosses 4 insulating supporting columns to be isolated with ionisation chamber firm banking, the sensitive ionisation chamber detection device of γ includes ionisation chamber, the ionization
Room includes the ionisation chamber ontology protecting valve jacket and being placed in protection valve jacket, and the front end of ionisation chamber ontology is equipped with insulator, along insulation
Sub- periphery is arranged with front end insulator and hard cable anchor block, protrudes into the end for ionizing indoor hard cable and hard cable protective sleeve
It is fixed on hard cable anchor block, and connecting cable connector, the rear end of the ionisation chamber ontology is equipped with rear end insulator, in rear end
Two groups of disc springs are installed between insulator and ionisation chamber ontology；Ionisation chamber ontology includes the outer layer high-field electrode of coaxial arrangement, receives
Collector and central high pressure electrode, and outer layer high-field electrode, collector and central high pressure electrode are fixed by insulator, institute
It states collector and extends insulator, and connect with cable connector, be equipped with and receive along the periphery of collector Yu cable connector coupling part
The front end of collector housing, the central high pressure electrode is embedded in inspection source.
3. containment high range area radiation monitoring device according to claim 2, which is characterized in that the outer layer high pressure
The rear end of electrode is welded with high pressure tail end, and the central high pressure electrode tail end is connect with high pressure threads, in central high pressure electricity
The tail end two sides of pole are equipped with tail end insulator, the tail end insulator end thereof contacts high pressure tail end, between the other end and collector
Equipped with one group of spring；Central high pressure electrode front end is equipped with head end insulator, the centrally disposed high-field electrode of inspection source
Between front end and head end insulator.
4. containment high range area radiation monitoring device according to claim 2, which is characterized in that the protection valve jacket
It is equipped with two groups of insulating supporting rings between ionisation chamber ontology, four groups of disc springs are equipped between the central high pressure electrode and insulator.
5. containment high range area radiation monitoring device according to claim 2, which is characterized in that the protection valve jacket
Rear end be equipped with air inflation nozzle, the air inflation nozzle is by the aperture on ionisation chamber ontology tail end to its inner inflatable, the protective shell
The rear end of set is simultaneously connected through a screw thread rear cover, and front cover is welded in the front end of the protection valve jacket.
6. containment high range area radiation monitoring device according to claim 2, which is characterized in that the ionisation chamber is solid
Pedestal is determined using 316L stainless steel, and height and wall thickness are respectively 27mm and 3mm.
7. containment high range area radiation monitoring device according to claim 1, which is characterized in that the hard cable turns
It connects and polyimides fixed block is installed inside box, connector is fixed on fixed block, which includes mirror symmetry setting
Male head connector and female connector, the Male head connector includes male connector shell, is pressed respectively in the front and back end of male connector shell
Enter to have male connector front end insulator and male connector tail end insulator, tail be equipped between male connector shell tail end and tail folder and presss from both sides graphite gasket I,
Hard cable sequentially passes through tail folder I, male connector tail end insulator and male connector front end insulator and male connector inner core welds；The female connection
Device includes female shell, has been respectively pressed into female front end insulator and female tail end insulator in the front and back end of female shell,
It is equipped with tail between female shell tail end and tail folder II and presss from both sides graphite gasket II, hard cable sequentially passes through tail folder, female tail end insulator
It is welded with female front end insulator and female inner core, graphite gasket is equipped at the male connector shell and female cage connection, carried out
Sealing.
8. containment high range area radiation monitoring device according to claim 1, which is characterized in that the front-end processing
Unit includes variable gain amplifier, V/F converter and ARM controlling unit, and the variable gain amplifier passes through hard cable
It being connect with the sensitive ionisation chamber detection device of γ, the variable gain amplifier connects ARM controlling unit by V/F converter unit,
ARM controlling unit is connected to radiation processing unit on the spot by RS485 interface.
9. containment high range area radiation monitoring device according to claim 1, which is characterized in that described with regard to eradiation
Processing unit includes ARM central processing unit and the display screen connecting with ARM primary processor, input keyboard, the port RS485, net
Network port and multiple ports I/O,
The display screen shows measurement data by the format of setting；
The keyboard inputs corresponding information；
The data that the RS485 port transmission or receiving front-end processing unit are sent；
The network port, which is realized, communicates and exchanges data with outer computer；
I/the O port receives measured temperature, pressure and flow signal, output alarm or switch control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521615.1A CN110136855A (en) | 2019-06-17 | 2019-06-17 | Containment high range area radiation monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910521615.1A CN110136855A (en) | 2019-06-17 | 2019-06-17 | Containment high range area radiation monitoring device |
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| Publication Number | Publication Date |
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| CN110136855A true CN110136855A (en) | 2019-08-16 |
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| CN201910521615.1A Pending CN110136855A (en) | 2019-06-17 | 2019-06-17 | Containment high range area radiation monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238274A (en) * | 2021-05-26 | 2021-08-10 | 西安中核核仪器有限公司 | Wide-range coaxial through-wall double-ionization-chamber area gamma radiation detection method |
-
2019
- 2019-06-17 CN CN201910521615.1A patent/CN110136855A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238274A (en) * | 2021-05-26 | 2021-08-10 | 西安中核核仪器有限公司 | Wide-range coaxial through-wall double-ionization-chamber area gamma radiation detection method |
| CN113238274B (en) * | 2021-05-26 | 2022-01-07 | 西安中核核仪器股份有限公司 | Wide-range coaxial through-wall double-ionization-chamber area gamma radiation detection method |
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