CN107991701B - A kind of radioactive environment personnel protection management system - Google Patents
A kind of radioactive environment personnel protection management system Download PDFInfo
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- CN107991701B CN107991701B CN201711157228.1A CN201711157228A CN107991701B CN 107991701 B CN107991701 B CN 107991701B CN 201711157228 A CN201711157228 A CN 201711157228A CN 107991701 B CN107991701 B CN 107991701B
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- fixedly connected
- detector
- transverse slat
- radioactive
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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
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/12—Provision for actuation of an alarm
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of radioactive environment personnel protection management systems, including transverse slat, the surface and the back side of transverse slat pass through sliding slot and slidably connect mounting rod, and two mounting rods are fixedly connected with detector between opposite side, one end of mounting rod is fixedly connected with mounting head, and the present invention relates to radioactivity protection technical fields.The radioactive environment personnel protection management system, achieve the purpose that convenient for removing detector, detection convenient for people to designated position, it can be carried simultaneously in order to people, detection at any time may be implemented, it can be clamped on arm or in other equipment, realize portability, prevent detector due to extraneous damaged in collision, avoid the interruption of detection process, it ensure that the service life of device, and when detection radioactive concentration is larger, it can timely alarm, improve security performance, convenient for the detection of detector, prevent the radioactive substance of cloche isolated part, improve the effect of detection.
Description
Technical field
The present invention relates to radioactivity protection technical field, specially a kind of radioactive environment personnel protection management system.
Background technique
Radioactivity refers to that element spontaneously releases ray from unstable atomic nucleus, (such as alpha ray, β ray, gamma-rays)
And decay and form stable element and stop radiating (decay constant), this phenomenon is known as radioactivity.The energy released when decay
Referred to as decay energy, atomic number all has radioactivity in 83 (bismuths) or above element, but certain atomic numbers are less than
83 element (such as technetium) also has radioactivity, and the atom of certain elements spontaneously releases alpha ray or β ray by nuclear decay
The property of (sometimes also release gamma-rays), referred to as radioactivity, it is whether stable by atomic nucleus, nucleic can be divided into stable nuclide with
Two class of radionuclide, a kind of atomic nucleus of element spontaneously release certain ray and are transformed into the nuclear existing of other kind of element
As the nucleic of radioactive decay, referred to as radionuclide (or radioactive isotope) can occur for referred to as radioactive decay.
The injury of radioactive material confrontation human body is larger, if worked in radioactive environment for a long time, is easy to human body
The injury that can not be retrieved is caused, works accordingly, it is desirable to carry radioactive substance detector, radioactive material is avoided to verify
Human body damages, and existing radioactive substance detector is not easy to the carrying of staff, and detects radioactive substance
When, prompt staff can not be sounded an alarm in time, and use is more inconvenient.
Summary of the invention
In view of the deficiencies of the prior art, it the present invention provides a kind of radioactive environment personnel protection management system, solves
Existing radioactive substance detector is not easy to the carrying of staff, and when detecting radioactive substance, can not send out in time
Alarm sounds staff out, the more inconvenient problem of use.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of radioactive environment personnel protection
Management system, including transverse slat, the surface and the back side of the transverse slat pass through sliding slot and slidably connect mounting rod, and two installations
Detector is fixedly connected between the opposite side of bar, one end of the mounting rod is fixedly connected with mounting head, the transverse slat
Surface is fixedly connected with rotation seat, and the lower rotation of the rotation seat is connected with lever, and the bottom on the transverse slat surface is fixed to be connected
It is connected to rotating member, the side of the rotating member is rotatably connected to block, and the bottom of block is fixedly connected with button, the gear
The side of block is fixedly connected with spring lever, and the bottom end of the spring lever is fixedly connected with bottom plate, the back side of the bottom plate and transverse slat
Surface be fixedly connected, the two sides of the transverse slat bottom are fixedly connected to fixed device, and the side of the fixed device is fixed
It is connected with clamping device, the left pivot movement on the transverse slat surface is connected with fixing seat, is fixedly connected at the top of the fixing seat
Cloche is fixedly connected with fixing head on the right side of the cloche bottom, and the side of the fixing head is rotatably connected to bull stick, institute
The one end for stating bull stick is rotatably connected to slippery fellow, and the back side of the slippery fellow is slidably connected by the surface of sliding slot and transverse slat.
Preferably, the fixed device includes the first pedestal, the fixed company in the top of first pedestal and the bottom of transverse slat
It connects, the side of first pedestal is rotatably connected to telescopic rod, and one end of the telescopic rod is rotatably connected to the second pedestal, described
It is fixedly connected with fixed plate on the left of second pedestal, footstock, the top of the footstock are rotatably connected at the top of the fixed plate
It is fixedly connected with the bottom of transverse slat.
Preferably, the clamping device includes clamping plate, and riser, the riser are fixedly connected on the right side of the clamping plate
The top and bottom on right side are rotatably connected to bull stick, and one end of the bull stick is rotatably connected to clamping seats, the clamping seats
Side is fixedly connected with the side of fixed plate, and the side of the riser is fixedly connected with spring, the side of the spring and fixation
The side of plate is fixedly connected.
Preferably, Low background α/β radioactive detector, the detector are fixedly connected at the top of the detector surface
Top be fixedly connected with signal projector.
Preferably, the bottom on the detector surface is fixedly connected with key, and the top on the detector surface is fixed to be connected
It is connected to combined aural and visual alarm.
Preferably, the inside of the detector is respectively arranged with central processing unit, data comparator, data collector, number
According to converter and memory module.
Preferably, the input terminal of the output end of the Low background α/β radioactive detector and data collector connects, described
The output end of data collector is connect with the input terminal of data converter and memory module respectively, the output end of the memory module
It is connect with the input terminal of central processing unit, the output end of the data converter and the input terminal of data comparator connect, described
The input terminal of the output end of data comparator and feedback module connects, the output end of the feedback module and central processing unit it is defeated
Enter end connection, the output end of the central processing unit is connect with the input terminal of signal projector and combined aural and visual alarm respectively, described
The output end of key and the input terminal of central processing unit connect.
Preferably, detection net is fixedly connected at the top of the cloche.
Beneficial effect
The present invention provides a kind of radioactive environment personnel protection management systems.Have it is following the utility model has the advantages that
(1), the radioactive environment personnel protection management system is slided by sliding slot by the surface of transverse slat and the back side and is connected
It is connected to mounting rod, and is fixedly connected with detector between the opposite side of two mounting rods, one end of mounting rod is fixedly connected
There is mounting head, the surface of transverse slat is fixedly connected with rotation seat, and the lower rotation of rotation seat is connected with lever, the bottom on transverse slat surface
It is fixedly connected with rotating member, the side of rotating member is rotatably connected to block, and the bottom of block is fixedly connected with button, block
Side be fixedly connected with spring lever, the bottom end of spring lever is fixedly connected with bottom plate, and the back side of bottom plate and the surface of transverse slat are fixed
Connection, has achieved the purpose that the detection convenient for removing detector, convenient for people to designated position, while can take in order to people
Detection at any time may be implemented in band.
(2), the radioactive environment personnel protection management system passes through the fixed company in the top of the first pedestal and the bottom of transverse slat
It connects, the side of the first pedestal is rotatably connected to telescopic rod, and one end of telescopic rod is rotatably connected to the second pedestal, a left side for the second pedestal
Side is fixedly connected with fixed plate, and footstock is rotatably connected at the top of fixed plate, and the top of footstock is fixedly connected with the bottom of transverse slat,
Clamping device includes clamping plate, and riser is fixedly connected on the right side of clamping plate, and the top and bottom on the right side of riser are rotatablely connected
There is bull stick, one end of bull stick is rotatably connected to clamping seats, and the side of clamping seats is fixedly connected with the side of fixed plate, and the one of riser
Side is fixedly connected with spring, and the side of spring is fixedly connected with the side of fixed plate, has reached and has carried detector convenient for people
Purpose can be clamped on arm or in other equipment, realize portability.
(3), the radioactive environment personnel protection management system, is connected with fixing seat by the left pivot movement on transverse slat surface,
It is fixedly connected with cloche at the top of fixing seat, fixing head is fixedly connected on the right side of cloche bottom, the side of fixing head turns
Dynamic to be connected with bull stick, one end of bull stick is rotatably connected to slippery fellow, and the foxy back side is slidably connected by the surface of sliding slot and transverse slat,
Achieve the purpose that protect detector, prevented detector due to extraneous damaged in collision, avoid the interruption of detection process,
It ensure that the service life of device.
(4), the radioactive environment personnel protection management system, by the output end of Low background α/β radioactive detector with
The input terminal of data collector connects, and the output end of data collector connects with data converter and the input terminal of memory module respectively
It connects, the input terminal of the output end of memory module and central processing unit connects, the output end of data converter and data comparator
Input terminal connection, the output end of data comparator and the input terminal of feedback module connect, the output end and centre of feedback module
The input terminal connection of device is managed, the output end of central processing unit is connect with the input terminal of signal projector and combined aural and visual alarm respectively,
The output end of key and the input terminal of central processing unit connect, and have achieved the purpose that be measured in real time external environment, and
When detection radioactive concentration is larger, it can timely alarm, improve security performance.
(5), the radioactive environment personnel protection management system, by being fixedly connected with detection net at the top of cloche, just
In the detection of detector, the radioactive substance of cloche isolated part is prevented, improves the effect of detection.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of detector of the present invention；
Fig. 3 is the partial enlarged view in Fig. 1 of the present invention at A；
Fig. 4 is the structural schematic diagram of the fixed device of the present invention；
Fig. 5 is the structural schematic diagram of clamping device of the present invention；
Fig. 6 is present system functional block diagram.
In figure: 1 transverse slat, 2 translots, 3 mounting rods, 4 mounting heads, 5 rotation seats, 6 bars, 7 rotating members, 8 buttons, 9 blocks, 10
Spring lever, 11 bottom plates, 12 fixed devices, 121 first pedestals, 122 telescopic rods, 123 second pedestals, 124 footstocks, 125 fixed plates,
13 clamping devices, 131 clamping seats, 132 bull sticks, 133 springs, 134 risers, 135 clamping plates, 14 fixing seats, 15 cloches, 16 inspections
Survey grid, 17 detectors, 18 fixing heads, 19 bull sticks, 20 slippery fellows, 21 sliding slots, 22 keys, 23 memory modules, 24 combined aural and visual alarms, 25
Data converter, 26 data collectors, 27 signal projectors, 28 central processing units, 29 data comparators, 30 Low background α/βs are put
Penetrating property detector, 31 feedback modules.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of radioactive environment personnel protection management system, packet
Include transverse slat 1, the surface and the back side of transverse slat 1 pass through sliding slot 2 and slidably connect mounting rod 3, and two mounting rods 3 it is opposite one
It is fixedly connected with detector 17 between side, Low background α/β radioactive detector 30 is fixedly connected at the top of 17 surface of detector,
Low background α/β radioactive detector 30 be it is a kind of measurement low-level α, beta activity intensity precision instrument, can be used for water, soil,
Total α of building materials, ore, aerosol, food etc., Total Beta Radioactivity measurement are suitable for radiation protection etc., the inspection of Low background α/β radioactivity
The model LM-20 of device 30 is surveyed, the top of detector 17 is fixedly connected with signal projector 27, and the bottom on 17 surface of detector is solid
Surely it is connected with key 22, combined aural and visual alarm 24 is fixedly connected at the top of 17 surface of detector, the inside of detector 17 is set respectively
It is equipped with central processing unit 28, data comparator 29, data collector 26, data converter 25 and memory module 23, central processing
The model ARM9 of device 28, the model LM239 of data comparator 29, the model MA26908 of data collector 26, data turn
The model INA114BU of parallel operation 25, one end of mounting rod 3 are fixedly connected with mounting head 4, and the surface of transverse slat 1, which is fixedly connected with, to be turned
Dynamic seat 5, the lower rotation of rotation seat 5 are connected with lever 6, and lever 6 prevents skidding off for detector 17, and the bottom on 1 surface of transverse slat is solid
Surely it is connected with rotating member 7, the side of rotating member 7 is rotatably connected to block 9, the rotation of the control bar 6 of block 9, and block 9
Bottom is fixedly connected with button 8, and the side of block 9 is fixedly connected with spring lever 10, and the bottom end of spring lever 10 is fixedly connected with bottom
The back side of plate 11, bottom plate 11 is fixedly connected with the surface of transverse slat 1, and the two sides of 1 bottom of transverse slat are fixedly connected to fixed device 12,
The side of fixed device 12 is fixedly connected with clamping device 13, and the left pivot movement on 1 surface of transverse slat is connected with fixing seat 14, fixing seat
14 top is fixedly connected with cloche 15, and the top of cloche 15 is fixedly connected with detection net 16, and detection net 16 is convenient for detection
The detection of instrument is fixedly connected with fixing head 18 on the right side of 15 bottom of cloche, and the side of fixing head 18 is rotatably connected to bull stick 19,
One end of bull stick 19 is rotatably connected to slippery fellow 20, and the back side of slippery fellow 20 is slidably connected by sliding slot 21 and the surface of transverse slat 1, fixed
Device 12 includes the first pedestal 121, and the top of the first pedestal 121 is fixedly connected with the bottom of transverse slat 1, and the one of the first pedestal 121
Side is rotatably connected to telescopic rod 122, and one end of telescopic rod 122 is rotatably connected to the second pedestal 123, the left side of the second pedestal 123
It is fixedly connected with fixed plate 125, the top of fixed plate 125 is rotatably connected to footstock 124, the top of footstock 124 and the bottom of transverse slat 1
Portion is fixedly connected, and clamping device 13 includes clamping plate 135, and the right side of clamping plate 135 is fixedly connected with riser 134, and riser 134 is right
The top and bottom of side are rotatably connected to bull stick 132, and one end of bull stick 132 is rotatably connected to clamping seats 131, clamping seats 131
Side be fixedly connected with the side of fixed plate 125, the side of riser 134 is fixedly connected with spring 133, the side of spring 133
It is fixedly connected with the side of fixed plate 125, the input of the output end and data collector 26 of Low background α/β radioactive detector 30
End connection, the output end of data collector 26 are connect with the input terminal of data converter 25 and memory module 23 respectively, store mould
The output end of block 23 is connect with the input terminal of central processing unit 28, and the output end of data converter 25 is defeated with data comparator 29
Enter end connection, the output end of data comparator 29 is connect with the input terminal of feedback module 31, and the output end of feedback module 31 is in
The input terminal of central processor 28 connects, the output end of central processing unit 28 respectively with signal projector 27 and combined aural and visual alarm 24
Input terminal connection, the output end of key 22 are connect with the input terminal of central processing unit 28.
Before use, the radioactivity concentration values for needing to input standard are determined according to the size of required safe radioactive concentration,
Radioactivity concentration values higher than standard are radioactive concentration alarm threshold value, then pass through key 22 for radioactive concentration alarm threshold value
Central processing unit 28 is inputted, radioactive concentration alarm threshold value is delivered in data comparator 29 by central processing unit 28 again, as
Data fiducial value.
In use, device is clamped on user's arm by the elastic force effect of fixed device 12 and clamping device 13
The either surface of other equipment, when needing to take out detector 17, button press 8 drives block 9 to rotate, so that block 9 is right
Bar 6 is unlocked, then then rotate bar 6 can be taken off detecting to level at this point, rotation cloche 15 realizes opening
Instrument, the Low background α/β radioactive detector 30 for being set to 17 top of detector detect the radioactive concentration of external environment,
The radioactivity concentration values that Low background α/β radioactive detector 30 will test are transmitted to data collector 26, and data collector 26 will
Signal is transferred to memory module 23 and data converter 25 respectively, and data converter 25 convert and will convert to data
At data be transferred to data comparator 29, in data comparator 29 Low background α/β radioactive detector 30 detect radiation
Property concentration value be compared with alarm threshold value, if comparison result be higher than radioactive concentration alarm threshold value, the radiation of external environment
Radioactive concentration alarm threshold value is fed back to central processing unit 28 through feedback module 31 by property excessive concentration, data comparator 29, in
Central processor 28 can control the alarm of combined aural and visual alarm 24, and work people is reminded to leave, and the data in memory module 23 are passed through
Signal projector 27 emits, convenient for long-range monitoring.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of radioactive environment personnel protection management system, including transverse slat (1), it is characterised in that: the surface of the transverse slat (1)
Pass through sliding slot (2) with the back side to slidably connect mounting rod (3), and fixed between the opposite side of two mounting rods (3) connects
It is connected to detector (17), one end of the mounting rod (3) is fixedly connected with mounting head (4), and the surface of the transverse slat (1) is fixed to be connected
It is connected to rotation seat (5), the lower rotation of the rotation seat (5) is connected with lever (6), and the bottom on transverse slat (1) surface is fixed
It is connected with rotating member (7), the side of the rotating member (7) is rotatably connected to block (9), and the fixed company in bottom of block (9)
It is connected to button (8), the side of the block (9) is fixedly connected with spring lever (10), and the bottom end of the spring lever (10) is fixed to be connected
It is connected to bottom plate (11), the back side of the bottom plate (11) is fixedly connected with the surface of transverse slat (1), the two sides of transverse slat (1) bottom
It is fixedly connected to fixed device (12), the side of the fixed device (12) is fixedly connected with clamping device (13), the cross
The left pivot movement on plate (1) surface is connected with fixing seat (14), is fixedly connected with cloche (15) at the top of the fixing seat (14),
It is fixedly connected with fixing head (18) on the right side of cloche (15) bottom, the side of the fixing head (18) is rotatably connected to
Bar (19), one end of the bull stick (19) are rotatably connected to foxy (20), the back side of the slippery fellow (20) by sliding slot (21) with
The surface of transverse slat (1) is slidably connected.
2. a kind of radioactive environment personnel protection management system according to claim 1, it is characterised in that: the fixed dress
Setting (12) includes the first pedestal (121), and the top of first pedestal (121) is fixedly connected with the bottom of transverse slat (1), and described the
The side of one pedestal (121) is rotatably connected to telescopic rod (122), and one end of the telescopic rod (122) is rotatably connected to the second base
Seat (123) is fixedly connected with fixed plate (125) on the left of second pedestal (123), and the top of the fixed plate (125) turns
Dynamic to be connected with footstock (124), the top of the footstock (124) is fixedly connected with the bottom of transverse slat (1).
3. a kind of radioactive environment personnel protection management system according to claim 1, it is characterised in that: the clamping dress
Setting (13) includes clamping plate (135), is fixedly connected with riser (134) on the right side of the clamping plate (135), the riser (134)
The top and bottom on right side are rotatably connected to bull stick (132), and one end of the bull stick (132) is rotatably connected to clamping seats
(131), the side of the clamping seats (131) is fixedly connected with the side of fixed plate (125), and the side of the riser (134) is solid
Surely it is connected with spring (133), the side of the spring (133) is fixedly connected with the side of fixed plate (125).
4. a kind of radioactive environment personnel protection management system according to claim 1, it is characterised in that: the detector
(17) Low background α/β radioactive detector (30) is fixedly connected at the top of surface, the top of the detector (17) is fixed to be connected
It is connected to signal projector (27).
5. a kind of radioactive environment personnel protection management system according to claim 1, it is characterised in that: the detector
(17) bottom on surface is fixedly connected with key (22), is fixedly connected with combined aural and visual alarm at the top of detector (17) surface
(24)。
6. a kind of radioactive environment personnel protection management system according to claim 1, it is characterised in that: the detector
(17) inside is respectively arranged with central processing unit (28), data comparator (29), data collector (26), data converter
(25) and memory module (23).
7. a kind of radioactive environment personnel protection management system according to claim 4, it is characterised in that: the Low background
The output end of α/β radioactive detector (30) is connect with the input terminal of data collector (26), the data collector (26)
Output end is connect with the input terminal of data converter (25) and memory module (23) respectively, the output end of the memory module (23)
It is connect with the input terminal of central processing unit (28), the output end of the data converter (25) and the input of data comparator (29)
End connection, the output end of the data comparator (29) are connect with the input terminal of feedback module (31), the feedback module (31)
Output end connect with the input terminal of central processing unit (28), the output end of the central processing unit (28) respectively with signal emit
Device (27) is connected with the input terminal of combined aural and visual alarm (24), and the output end of key (22) and the input terminal of central processing unit (28) connect
It connects.
8. a kind of radioactive environment personnel protection management system according to claim 1, it is characterised in that: the cloche
(15) detection net (16) is fixedly connected at the top of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157228.1A CN107991701B (en) | 2017-11-20 | 2017-11-20 | A kind of radioactive environment personnel protection management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711157228.1A CN107991701B (en) | 2017-11-20 | 2017-11-20 | A kind of radioactive environment personnel protection management system |
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| Publication Number | Publication Date |
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| CN107991701A CN107991701A (en) | 2018-05-04 |
| CN107991701B true CN107991701B (en) | 2019-08-20 |
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| CN201711157228.1A Active CN107991701B (en) | 2017-11-20 | 2017-11-20 | A kind of radioactive environment personnel protection management system |
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| CN113100578A (en) * | 2021-04-06 | 2021-07-13 | 江西金橡木业有限公司 | Bookcase with intelligently-controlled humidity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014209118A (en) * | 2013-03-27 | 2014-11-06 | 株式会社Ｉｔｉ開発 | Portable radiation measurement device |
| CN204705719U (en) * | 2015-05-18 | 2015-10-14 | 上海怡星机电设备有限公司 | A kind of portable radioactive contamination meter |
| CN105474044A (en) * | 2013-08-22 | 2016-04-06 | 日立阿洛卡医疗株式会社 | Radiation measuring device |
| CN205909862U (en) * | 2016-06-27 | 2017-01-25 | 南通天诚装饰工程有限公司 | Multi -functional fitment detection device of hand -held type |
| CN107430200A (en) * | 2015-04-06 | 2017-12-01 | 株式会社日立制作所 | Meter |
-
2017
- 2017-11-20 CN CN201711157228.1A patent/CN107991701B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014209118A (en) * | 2013-03-27 | 2014-11-06 | 株式会社Ｉｔｉ開発 | Portable radiation measurement device |
| CN105474044A (en) * | 2013-08-22 | 2016-04-06 | 日立阿洛卡医疗株式会社 | Radiation measuring device |
| CN107430200A (en) * | 2015-04-06 | 2017-12-01 | 株式会社日立制作所 | Meter |
| CN204705719U (en) * | 2015-05-18 | 2015-10-14 | 上海怡星机电设备有限公司 | A kind of portable radioactive contamination meter |
| CN205909862U (en) * | 2016-06-27 | 2017-01-25 | 南通天诚装饰工程有限公司 | Multi -functional fitment detection device of hand -held type |
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| CN107991701A (en) | 2018-05-04 |
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