CN205861910U - Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration - Google Patents
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration Download PDFInfo
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- CN205861910U CN205861910U CN201620770009.5U CN201620770009U CN205861910U CN 205861910 U CN205861910 U CN 205861910U CN 201620770009 U CN201620770009 U CN 201620770009U CN 205861910 U CN205861910 U CN 205861910U
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Abstract
The utility model discloses a kind of for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration data acquisition device, this device includes transmitting instrument, supervises instrument, is calibrated instrument, quickly responds instrument, gps receiver, versatile interface unit and host computer unit；In interface unit, it is equipped with flexible and changeable various communication interfaces module, the change of the middle different types of machines of on-the-spot test/calibration can be adapted to easily, and host computer unit can flexibly set anywhere.
Description
Technical field
This utility model relates to Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration field, is particularly used for environmental γ
The data acquisition unit of radiation continuous monitor on-the-spot test/calibration.
Background technology
Generally, environment gamma radiation monitoring instrument use in laboratory utility model patent (patent No.:
ZL201320445618X) the X-gamma-radiation protection instrument automatic calibrator mentioned carries out examining and determine/calibrating, RSS131 high-tension electricity
Only exporting data by serial ports from room (HPIC) detector, the radiometer such as SD660N, SD660P, F66 and FB66 has serial ports
Data output function, thus use the X-gamma-dosimeter that utility model patent (patent No.: 2014208600540) is mentioned certainly
Dynamic assay device carries out examining and determine/calibrating, and in calibrating/calibration, uses utility model patent (patent No.: ZL2012204996677)
The calibrating mentioned/calibration platform realizes para-position manually, and utility model patent (patent No.: ZL2014208668295) carries
To the adjusting means laid for realizing X-gamma-dosimeter para-position can realize automatic aligning, application for a patent for invention (application
Number: 2014106794137) mention a kind of for collimating with reference to the gamma-rays collimator of gamma radiation field, patent of invention
The attenuator of application (application number: 2015101120880) makes same radioactive source produce multiple radiation values in same position.
Stationary radiation measuring instrument is one of visual plant of nuclear facilities Radiation monitoring, around nuclear facilities and environment prison
Survey department is provided with multiple stage fixed type environmental gamma-radiation continuous monitor, and this kind of instrument long-term work is under field conditions (factors), fixing
The use unit of formula instrument proposes strong demand to on-the-spot test/calibration operation, the probe of stationary appliance, cable and survey
Amount main frame is generally not easy to dismounting and installs, and easily causes damage, and the censorship cycle is longer in dismantling, installing and transport,
Can affect the seriality of monitoring system data, " Portable multi-range reference radiation fills to utilize collimator to be combined into attenuator etc.
Put " (application number: 2011103920488) solve the problem of the used radiation source of on-the-spot test/calibration, " a kind of portable penetrates
Beam irradiating apparatus " (application number: 2014105972419) compensate for the deficiency of this patent, and " fixed type environmental gamma-radiation is continuous for paper
Monitor field calibration technology " propose to utilize natural background radiation (Terrestrial Gamma ray and cosmic ray) and portable137Cs irradiates
Field calibration experiment carried out by fixed type environmental gamma-radiation dose rate monitor table by the gamma-rays reference radiation that device produces, and
This paper shows: use environment comparison and the on-the-spot method irradiated can preferably solve fixed type environmental gamma-radiation continuous monitor
Calibration problem.
But, when utilizing natural background radiation to carry out on-the-spot test/calibration, statistical error to be reduced, need with time longer
Between obtain more data；On the one hand, use manual transcription's data just to become unrealistic, on the other hand, use continuous several times
The mode of interval sampling obtains data value Shortcomings, and Figure 11 is the part original data stream of Fig. 7 and Fig. 8, and data break is 1
Second, as can be seen from the figure: transmission instrument, supervise instrument and be calibrated the numerical value of instrument and cross one another in fluctuation, this 5
Minute interior a certain moment may be entirely different by the size of data relation manually read, thus interval sampling is bigger by bringing
Error.Meanwhile, (such as: variation of ambient temperature, natural background radiation field may be uneven, natural background for on-the-spot various conditions
Radiation field is over time) all different from laboratory, standard dose instrument (i.e. transmission of quantity value instrument, hereinafter referred to as: transmission instrument
Table) under these conditions and often pass long-distance transport vibrations the most whether can also meet dose requirements be required for investigate.
Utility model content
The purpose of this utility model is to provide a kind of number for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration
According to harvester, solve at present when carrying out on-the-spot test/calibration, need to obtain more data with the long period, and existing
Data acquisition modes otherwise operability is the highest, or it is relatively big to be easily caused error, is unfavorable for asking of on-the-spot test/calibration
Topic.
This utility model is achieved through the following technical solutions:
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration, it is characterised in that: include passing
Pass instrument, be calibrated instrument, interface unit and host computer unit, described transmission instrument, be calibrated instrument respectively with interface unit
Connecting, interface unit is connected with host computer unit；
Transmission instrument is for transmission of quantity value；
Be calibrated instrument be hard-wired, be not easy to dismounting and the Environmental γ Radiation Continuous Monitoring instrument of censorship；
Interface unit is for by transmission instrument or be calibrated the data of instrument and be transferred to host computer unit；
Host computer unit is for receiving and record transmission instrument or the data sent with calibrated meter.
Further, as optimal technical scheme, the detector of described transmission instrument is that high atmospheric pressure ion-chamber is visited
Survey device.
Further, as optimal technical scheme, also including supervising instrument, supervision instrument is connected with interface unit.
Further, as optimal technical scheme, also including quickly responding instrument, quickly response instrument is with interface unit even
Connecing, quickly the detector of response instrument is unionized room detector.
Further, as optimal technical scheme, also including gps receiver, gps receiver is connected with interface unit.
Further, as optimal technical scheme, described interface unit include RS232 module, y-branch device module, 422
Communication module, 485 communication modules, optical fiber communication modules, ethernet interface module, usb interface module, WiFi communication module, indigo plant
Tooth communication module, 4G communication module.
Further, as optimal technical scheme, described host computer unit is PDA, panel computer, notebook computer, platform
Any one in formula computer.
This utility model, relative to prior art, has the advantages that
(1) this utility model achieves the automatic collection of multiple test/calibration data, and particularly Environmental γ-Radiation is supervised continuously
Survey the automatic collection of instrument on-the-spot test/calibration data；When utilizing natural background radiation to carry out on-the-spot test/calibration, this practicality
Novel can with the long period obtain more data reduce statistical error.
(2) this utility model is by the position of transfer instrument with supervision instrument, can be supervised in non homogen field
Superintend and direct the instrument relative response to transmission instrument；On the other hand, also can obtain transmitting instrument and supervision instrument position radiation field
Heterogeneity, be calibrated the heterogeneity of instrument position radiation field for inferring.
(3) this utility model by change supervision instrument with by transmitting instrument and being calibrated measurement system that instrument constitutes
Position relatively, can obtain supervising instrument to by transmission instrument and the impact being calibrated the measurement system that instrument is constituted.
(4) interface unit of the present utility model avoid earth loop voltage surge, sense, be struck by lightning, electrostatic, hot plug etc.
The damage of docking port, use y-branch device module end be connected with optical fiber communication modules, can avoid with user be calibrated instrument system
System is directly electrically connected, to eliminate interference each other and impact.
(5) this utility model is equipped with flexible and changeable various communication interfaces module in interface unit, can fit easily
Answer the multiple change of on-the-spot test/calibration, and host computer unit can flexibly set anywhere.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model；
Fig. 2 is the structural representation of embodiment 2 of the present utility model；
Fig. 3 is the circuit theory diagrams that embodiment 2 of the present utility model uses the y-branch device in interface unit；
Fig. 4 is the interface unit structural representation of embodiment 2 of the present utility model；
Fig. 5 is the structural representation of this utility model embodiment 4；
Fig. 6 is the cosmic ray data filtered out in the data stream that this utility model collects when testing at the scene/calibrate
Stream；
Fig. 7 is this utility model reading curve that integration method draws when testing at the scene/calibrate；
Fig. 8 be this utility model when testing at the scene/calibrate in Fig. 7 the meansigma methods of multiple readings as the song of indicated value
Line；
Fig. 9 is the relative response curve that this utility model obtains from Fig. 8 when testing at the scene/calibrate；
Figure 10 is this utility model temperature variation curve of HPIC output when testing at the scene/calibrate；
Figure 11 is the part original data stream of Fig. 7 and Fig. 8.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not only
It is limited to this.
[embodiment 1]
As it is shown in figure 1, the data acquisition for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration described in the present embodiment
Acquisition means, including transmission instrument, is calibrated instrument, interface unit and host computer unit, and transmission instrument is connected with interface unit, quilt
Calibrated meter is connected with interface unit, and interface unit is connected with host computer unit,
In the present embodiment, transmission instrument be by testing staff take to scene, for the instrument of transmission of quantity value, it is Targets
National metrological verification regulations JJG 521 2006 " environmental monitoring X, gamma-radiation air kerma (absorbed dose) can be met
Rate instrument " requirement；
Be calibrated instrument refer to hard-wired, be not easy to dismounting and the Environmental γ Radiation Continuous Monitoring instrument of censorship；
In interface unit, including RS232 communication module, RS232 communication module is by transmission instrument or is calibrated instrument
RS232 protocol data is transferred directly to host computer unit.
The host computer unit of the present embodiment is any one in PDA, panel computer, notebook computer, desk computer,
It is mainly used in receiving and recording transmission instrument, be calibrated the data etc. that instrument etc. sends.
Preferably, the detector of the transmission instrument of the present embodiment is chosen as high atmospheric pressure ion-chamber detector, such as
RSS131 height atmospheric pressure ion-chamber (HPIC) detector, main consideration site environment gamma-radiation continuous monitor is with high air
Pressure ion-chamber detector is main, and RSS131 height atmospheric pressure ion-chamber (HPIC) detector only exports number by serial ports
According to, thus use the RS232 module in interface unit to be attached.
In the present embodiment, RS232 module is mainly made up of CKL-211 lightning-protection surge RS232 photoisolator, this module
Use photoelectric isolation technology, protect RS232 interface equipment to the utmost, it is to avoid earth loop voltage surge, sensing, thunder
Hit, electrostatic, the damage to RS232 interface such as hot plug.
[embodiment 2]
As in figure 2 it is shown, the structure of the present embodiment is basically identical with embodiment 1, difference is, the interface of the present embodiment
Unit also includes y-branch device module, and for environmental radiation automatic monitor station, the detector being calibrated instrument is mainly high air
Pressure ion-chamber (HPIC) detector, this detector is transferred to the master in automatic monitor station machine room by serial ports output data
Machine, serial port of host computer adapter uses DB9M, thus high atmospheric pressure ion-chamber (HPIC) detector serial port connector is supporting makes
With DB9F, therefore the y-branch device module in interface unit is used to obtain the data being calibrated instrument.
This y-branch device module uses DB9F (Y-2) to be connected with the main frame in automatic monitor station machine room, uses DB9M (Y-
1) it is connected with (HPIC) detector, each pin of the DB9F (Y-2) in y-branch device module and DB9M (Y-1) one a pair
Should connect, and the other end of y-branch device module also uses DB9F (Y-3) adapter, and from DB9F (Y-2), only draw 2
Foot (RXD receives data) and 5 feet (GND), after this y-branch device module, this utility model only has data receiver
Function, has stopped various accidental accident to being calibrated control and the write operation that instrument is carried out, and this y-branch device module had both ensured spoke
Penetrate the continuous monitoring task at environment automatic monitoring station, the data being calibrated instrument C are provided to this utility model again.Y-branch device
The structure chart of module is as shown in Figure 3.
In the present embodiment, y-branch device module (Y-3) end is connected with optical fiber communication modules, optical fiber communication modules and host computer
Unit connects, while using optical fiber communication modules to have stronger anti-lightning characteristic, it is to avoid this utility model and environmental radiation
The electrical connection of automatic monitor station, to eliminate interference each other and impact.
Specifically, the present embodiment uses the river three-in-one smooth cat of positive photoelectricity 232/485/422,232/485/422 opto-electronic conversion
Device uses single mode single SC interface, y-branch device module (Y-3) end to be connected with the RS232 port of wherein optical-electrical converter,
Connecting with the single mode single that victory is telecommunication level SC interface between two electric transducers, maximum fiber length is up to several kilometers, upper
Machine unit is connected with the RS232 port of another electric transducer, and between outdoor measurement apparatus, lightning protection connects.
It addition, for the various situations adapting to scene, interface unit is provided with flexible and changeable multiple module combination, also
Ethernet interface module, usb interface module, WiFi communication module, bluetooth communication module, 4G communication module etc. can be set, make
Host computer unit can flexibly set anywhere.
Such as: be calibrated the main frame in the detector distance machine room of instrument farther out (such as: HPIC detector is placed in roof,
And main frame is placed in building in the machine room of certain layer, at a distance of tens of rice rice the most up to a hundred), in this case, use interface unit
In y-branch device module at the main frame in machine room, obtain the data being calibrated instrument C, still use the optical fiber communication modules will
The equipment of data acquisition unit and user carries out electrical isolation, to eliminate interference each other and impact, and host computer unit
Should be located at rainproof, the somewhere of lightning protection, thus the connection of the instruments such as transmission instrument and host computer unit can be selected for one of following manner:
As shown in Figure 4, the RS232 communication module that the instruments such as transmission instrument are connected in interface unit, can be at short distance
Simple and reliable data cube computation is obtained from interior (being usually no more than 15 meters)；
422/485 communication module being connected in interface unit by the instruments such as transmission instrument, (can count in middle and long distance
Hundred meters) obtain reliable data cube computation；Use 422/485 communication module can overcome the shortcoming that optical fiber easily snaps off, in this reality
Executing to use in example selects victory to turn 422/485 communication module for DCP-3202 type photoelectric isolating RS232.
The optical fiber communication modules being connected in interface unit by the instruments such as transmission instrument, can be at middle and long distance (several kilometers)
Obtain reliable data cube computation；This interface unit has stronger anti-lightning characteristic, cable weight ratio 422/485 cable of optical fiber
Lightweight, but easily snap off when repeatedly mounting and dismounting when optical fiber uses at the scene.
The bluetooth communication module being connected in interface unit by the optical fiber communication modules of transmission instrument and calibrated meter, can
Connect with the easy wireless data that in short distance (tens of rice) realizes, can avoid carrying at the scene heavy equipment and wiring
Cumbersome, it is mainly used in being connected with lightweight complete set of equipments such as PDA, panel computer, notebook computers, the bluetooth in the present embodiment
Communication module is mainly made up of BT578RS232 Bluetooth serial port adapter.
The WiFi communication module being connected in interface unit by the optical fiber communication modules of transmission instrument and calibrated meter, can
Connect with the wireless data that in moderate distance (within sweep of the eye less than hundred meters) realizes, can be used for PDA, panel computer,
Notebook computer, desk computer etc. connect, and overcome bluetooth communication apart from shortcoming short, that transmitted data amount is relatively low, the present embodiment
Middle WiFi communication module is mainly by low-power consumption WiFi serial server, RS-232 interface, the WF-5010-232WiFi of transparent transmission
DTU and wireless router are constituted.
The ethernet interface module that the optical fiber communication modules of transmission instrument and calibrated meter is connected in interface unit,
Cable data without geographical restrictions can be realized connect.In the present embodiment the ethernet interface module in interface unit mainly by
High performance industrial level serial ports reliable and stable for C2000 turns network interface server and wireless router and constitutes, wireless router serve as with
Too network interface module；C2000 provides RS232 to TCP/IP network and TCP/IP network to the data transparent transmission of RS232, and it can
So that the equipment with RS232 serial ports possesses the function linking TCP/IP network immediately, there is TCP Server, TCP
Client, UDP, virtual serial port, point-to-point connection isotype；100M single port RS232 turns RJ45/485 and turns network interface and have and singly guard the gate
Canis familiaris L. is designed.C200 upwards provides 10/100M Ethernet interface, provides downwards 1 standard RS232 serial port, and communications parameter can lead to
Cross various ways to arrange.
During the Cosmic-Ray Response of measuring instrument, need in the depth of water more than 3m, away from bank, water more than 1km is carried out,
In order to reduce the radioactive radiation of self radioactive radiation of instrument peripheral equipment and the human body impact on measuring, instrument and interface
4G communication module in unit connects, and accesses public the Internet, staff and host computer unit by 4G communication module and installs
(or host computer unit is arranged on the hotel being connected with public the Internet or does to access public the Internet at bank 4G communication module
In public room).Using MD-109T embedded 4G DTU (seven moulds) product in the present embodiment, MD-109T will be with by 4G wireless network
On the main frame that the customer equipment data that MD-109T is connected is transferred in Internet, it is achieved remote data transparent transmission；Entirely
China Mobile, CHINAUNICOM and the 2G/3G/4G network of China Telecom are supported in face；Under LTE 4G network, the theory of MD-109T
Downstream rate is up to 100MMbps, and upstream rate is up to 50Mbps；Terminal connections mode flexibly, supports serial ports RS-232 simultaneously
And RS-485, support point-to-point, point-to-multipoint, the application of serial ports to serial ports, use technical grade element, can make in the presence of a harsh environment
With, can use in-40 DEG C～+85 DEG C of temperature ranges, MD-109T uses embedded design, and plank compact size can be direct
Embed in the interface unit of this device.
[embodiment 3]
As it is shown in figure 5, the structure of the present embodiment is basically identical with embodiment 1, difference is: the supervision of the present embodiment
Instrument is identical with transmission mter model, in order to investigates and transmits under site environmental condition and after long-distance transport vibrations
The most whether instrument can also meet dose requirements, owing to scene is the most far away from laboratory distance, and if desired can be by supervision instrument
Transmission instrument is replaced to test at the scene.
The supervision instrument of the present embodiment also selects RSS131, and use supervision instrument can be to the Partial key data collected
By correlation analysis, on-the-spot test/calibration is carried out quality control judgement, as it is shown in fig. 7, keep transmission for this utility model
Instrument, supervise instrument and measure for a long time relative under conditions of invariant position with being calibrated instrument, use the reading that integration method draws
Curve, this curve shows: (1) transmission instrument is uneven with the radiation field of supervision instrument present position；(2) radiation field is to become in time
Change；(3) even if having employed integration method, transmission instrument, supervising instrument and being calibrated the reading curve of instrument and still have in fluctuation
Intersect.As shown in Figure 8, using after average for multiple readings of Fig. 7 as indicated value, then transmit instrument, supervise instrument and be calibrated instrument
Table trend over time is consistent, and the correlation coefficient of data is 0.9.As it is shown in figure 9, calculate by school by the indicated value of Fig. 8
The average relative response to transmission instrument of the quasi-instrumentMaximum rACValue=1.036, minimum rACValue=
1.017, it is indicated above: calculate relative response by indicated value and radiation field is changed over insensitive, in conjunction with Figure 10 temperature
Change curve analysis shows: relative response is insensitive to variation of ambient temperature.By supervision instrument to transmitting the loudest of instrument
Answer rABChange curve and correlation analysis show: transmission instrument and supervision instrument are relative stable in long-time measurement
's；As shown in Figure 10, the temperature variation curve of HPIC output when testing at the scene for this utility model/calibrate, in conjunction with Fig. 7, figure
8, Fig. 9 analysis shows, transmission instrument, supervises instrument and to be calibrated instrument insensitive to variations in temperature.From above graphic analyses table
Bright: this utility model uses supervision instrument to transmission instrument by variation of ambient temperature, the uniformity of natural background radiation field is natural
Background radiation field provide supervision evidence over time.
By the position of transfer instrument with supervision instrument, can obtain in non homogen field: (1) supervision instrument is to biography
Pass the relative response r of instrumentAB；(2) transmission instrument and the heterogeneity of supervision instrument position radiation field, be used for inferring by school
The heterogeneity of quasi-instrument position radiation field.
By change supervision instrument with by transmitting instrument and being calibrated the relative position of the measurement system that instrument is constituted, permissible
Obtain supervising instrument to by transmission instrument and the impact being calibrated the measurement system that instrument is constituted.
Preferably, the present embodiment may also include and quickly responds instrument, and quickly response instrument is connected with interface unit, quickly rings
The detector answering instrument is unionized room detector, and it is fast that this quickly responds instrument response speed, but the sensitiveest to cosmic ray,
For cosmic ray is screened from data stream, as shown in Figure 6, gather when testing at the scene for this utility model/calibrate
The data stream arrived, and from data stream, screen cosmic ray data stream, amplitude is μ Gy/h, and time interval is 1 second；This reality
Execute example is selected and there is capability of fast response and F66 place alarm that data export in real time, these place alarm output data
It is spaced apart 0.1 second.
Preferably, the present embodiment may also include gps receiver, and gps receiver is connected with interface unit, in order to give test/
The data stream of calibration adds upper testing location geographical location information.When using the server of environmental radiation administrative center as upper
During the machine of position, server will transmit the data of instrument and the data pair being calibrated instrument automatically according to GPS geographical location information；This
The model that in embodiment, gps receiver is selected is HOLUX M1200E.
The above, be only preferred embodiment of the present utility model, and this utility model not does any pro forma limit
System, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (7)
1. for the data acquisition unit of Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration, it is characterised in that: include transmission
Instrument, it is calibrated instrument, interface unit and host computer unit, described transmission instrument, is calibrated instrument respectively with interface unit even
Connecing, interface unit is connected with host computer unit；
Transmission instrument is for transmission of quantity value；
Be calibrated instrument be hard-wired, be not easy to dismounting and the Environmental γ Radiation Continuous Monitoring instrument of censorship；
Interface unit is for by transmission instrument or be calibrated the data of instrument and be transferred to host computer unit；
Host computer unit is for receiving and record transmission instrument or the data sent with calibrated meter.
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration the most according to claim 1,
It is characterized in that: the detector of described transmission instrument is high atmospheric pressure ion-chamber detector.
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration the most according to claim 1,
It is characterized in that: also include supervising instrument, supervision instrument is connected with interface unit.
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration the most according to claim 1,
It is characterized in that: also include quickly responding instrument, quickly response instrument is connected with interface unit, quickly responds the detector of instrument
For unionized room detector.
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration the most according to claim 1,
It is characterized in that: also include that gps receiver, gps receiver are connected with interface unit.
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration the most according to claim 1,
It is characterized in that: described interface unit includes RS232 module, y-branch device module, 422 communication modules, 485 communication modules, light
Fine communication module, ethernet interface module, usb interface module, WiFi communication module, bluetooth communication module, 4G communication module.
Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration the most according to claim 1,
It is characterized in that: described host computer unit is any one in PDA, panel computer, notebook computer, desk computer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620770009.5U CN205861910U (en) | 2016-07-21 | 2016-07-21 | Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620770009.5U CN205861910U (en) | 2016-07-21 | 2016-07-21 | Data acquisition unit for Environmental γ Radiation Continuous Monitoring instrument on-the-spot test/calibration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683187A (en) * | 2019-02-26 | 2019-04-26 | 中国测试技术研究院 | X/ γ and β personal dose equivalent measurement method based on stacked detecting structure |
| CN110381834A (en) * | 2017-02-28 | 2019-10-25 | 富士胶片株式会社 | Radiation device |
| CN114513531A (en) * | 2020-10-26 | 2022-05-17 | 中国石油化工股份有限公司 | Distributed shallow well micro-seismic monitoring real-time data transmission device and method |
-
2016
- 2016-07-21 CN CN201620770009.5U patent/CN205861910U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381834A (en) * | 2017-02-28 | 2019-10-25 | 富士胶片株式会社 | Radiation device |
| CN109683187A (en) * | 2019-02-26 | 2019-04-26 | 中国测试技术研究院 | X/ γ and β personal dose equivalent measurement method based on stacked detecting structure |
| CN114513531A (en) * | 2020-10-26 | 2022-05-17 | 中国石油化工股份有限公司 | Distributed shallow well micro-seismic monitoring real-time data transmission device and method |
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