CN107367752B - Measure the device of ventilation filter frame radiative level - Google Patents
Measure the device of ventilation filter frame radiative level Download PDFInfo
- Publication number
- CN107367752B CN107367752B CN201710628981.8A CN201710628981A CN107367752B CN 107367752 B CN107367752 B CN 107367752B CN 201710628981 A CN201710628981 A CN 201710628981A CN 107367752 B CN107367752 B CN 107367752B
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- Prior art keywords
- ventilation filter
- radiation detector
- filter frame
- frame
- motor
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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
-
- 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
- G01T1/1603—Measuring radiation intensity with a combination of at least two different types of detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
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- Health & Medical Sciences (AREA)
- 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 present invention relates to nuclear detection fields, specifically, providing a kind of device for measuring ventilation filter frame radiative level.The device includes industrial personal computer, control panel, actinometry plate, radiation detector, fixed frame, shell, motor, screw rod, sliding block and drags load plate.Measurand frame, which is placed on, drags load plate, is dragged in enclosure interior, and industrial personal computer is set on shell, and load plate is dragged removedly to be built in shell.Motor is slidably disposed on fixed frame, and motor is connected with screw rod, and screw rod bushing is equipped with sliding block, installs radiation detector on sliding block.The device can be according to α, β and γ radiation value of scheduled speed and route survey ventilation filter frame surface, and radiation detector keeps certain at a distance from measured object, the radiation value measured is accurately and reliably high-efficient, recycling rate of waterused is strong, human cost is greatly saved, whether has the judgement of radioactive contamination to provide reliable reference and help for ventilating filter screen frame.
Description
Technical field
The present invention relates to nuclear radiation detection fields, horizontal in particular to a kind of measurement ventilation filter frame radiative
Device.
Background technique
The APG (steam generator continuous blow down system) of nuclear power station, DVN (nuclear auxiliary building ventilating system), DVK (core combustion
Expect power house ventilation system), DVQ (waste auxiliary plant ventilating system), (Safety Injection and containment spray pump motor house are logical by DVS
Wind system), DWA (AC workshop heat engine repair shop and warehouse ventilating system), DWL (hot laundry ventilating system), EVF (containment
Inner air-cleaning system), ETY (atmospheric monitoring system in containment), EVR (containment continuous ventilating system), SLT (dressing room
Ventilating system) etc. ventilation filter, can fail and need to change after long-time use, filter core will be because will directly make with radioactive contamination
It is disposed for nuclear waste, and ventilation filter frame is not necessarily by radioactive contamination, if directly regarding Spent Radioactive
Object is disposed, then needs to consume biggish cost, is not handled it cannot be guaranteed that safety, it is therefore desirable to carry out radiation level evaluation.
Currently, being manually to carry out radiation detection to frame with radiation detector by the way of, judge whether the radiation content of frame surpasses
Mark, is handled again after exceeded.Existing mode, more demanding, movement when needing to accomplish to measure of manual measurement Radiation On Human
Distance of the speed and radiation detector of radiation detector apart from frame is precisely stablized very much, can be only achieved the accurate of measurement
Property, in the case of frame is more, existing mode is time-consuming and laborious, and cannot be guaranteed the accuracy of measurement.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of dress for measuring ventilation filter frame radiative level
It sets, in a manner of through Machine automated measurement ventilation filter frame radiative, guarantees the efficiency and accuracy of actinometry.
To achieve the above object, technical solution used in the embodiment of the present invention is as described below:
The embodiment of the invention provides a kind of devices for measuring ventilation filter frame radiative level, and described device includes work
Control machine, control panel, actinometry plate, radiation detector, fixed frame, shell, motor, screw rod, sliding block and load plate is dragged, the fixation
Frame is built in the shell, and the industrial personal computer is set on the shell, described that load plate is dragged removedly to be built in the shell,
The fixed mount setting has sliding rail, and the motor is slidably disposed on the sliding rail, and the motor is connected with screw rod, described
Screw rod bushing is equipped with sliding block, and the radiation detector is equipped on the sliding block, and the motor is configured as when rotation described in drive
Screw rod rotation, so that the sliding block moves on the screw rod, the motor is electrically connected with the control panel, the radiation detection
Device is electrically connected with the actinometry plate, and the actinometry plate is connect with the control panel, the control panel and the industry control
Mechatronics, described that load plate is dragged to be configured as carrying ventilation filter frame, the control panel is configured as controlling the motor
Rotation, the radiation detector are configured as detecting the radiation of the ventilation filter frame and generate corresponding core pulse letter
Number, the actinometry plate is configured as the core pulse signal being converted to digital signal, digital signal is sent to described
Control panel, the control panel are additionally configured to read the digital signal and the digital signal are sent to the industrial personal computer,
The industrial personal computer is configured as reading the digital signal and be shown.
Further, the fixed frame includes upper holder, middle fixed frame and lower fixed frame, fixed frame with it is described
By the middle fixed frame connection between lower fixed frame, fixed frame includes multiple end to end frames, the frame
On be provided with sliding rail, at least one in the middle fixed frame of each described frame connection is provided with sliding rail, each described sliding rail
It is correspondingly arranged on motor, on the sliding rail slidably, the sliding block includes that pedestal, vertical joints and level connect to the motor
Socket part, the vertical joints and horizontal connection portion are provided with threaded hole, the screw rod of the motor connection on fixed frame
The threaded hole of the vertical joints, the motor on the middle fixed frame are fitted through with the threaded hole of the vertical joints
The screw rod of connection and the threaded hole in the horizontal connection portion fit through the threaded hole in the horizontal connection portion, and the pedestal is set
It is equipped with sliding rail, the horizontal connection portion is slidably disposed on the sliding rail of the pedestal, the vertical joints fixed setting
On the pedestal, the radiation detector is arranged in the horizontal connection portion.
Further, the radiation detector includes gamma radiation detector and multiple α/β radiation detectors, each water
The α/β radiation detector is respectively provided in flushconnection portion.
Further, described device further includes shielded layer, and the inner wall of the shell is arranged in the shielded layer.
Further, the pedestal is provided with shielding cover board and mechanical arm, and the mechanical arm is connect with the control panel, institute
It states shielding cover board to connect with the mechanical arm, the control panel is additionally configured to detect to the ventilation filter frame
Before, Xiang Suoshu mechanical arm, which is sent, covers instruction, and the mechanical arm extend out to the probe of the radiation detector, makes the screening cover
Plate blocks the probe of the radiation detector, so that the radiation detector measures the core spoke in addition to the ventilation filter frame
It penetrates, after the completion of nuclear radiation of the radiation detector measurement in addition to the ventilation filter frame, the control panel is configured
To take off lid instruction to mechanical arm transmission, the mechanical arm bounces back to original position, so that the shielding cover board is left the radiation and visits
The probe of device is surveyed, so that the radiation detector measures the ventilation filter frame.
Further, the shell is provided with opening, and described to drag load plate include disk body, door-plate and guide rail, and the guide rail is set
It sets in the bottom of the shell, the door-plate is connect with the disk body, and the bottom of the disk body is provided with idler wheel, and the idler wheel can
It is slidably placed in the guide rail, the door-plate is configured as closing the opening.
Further, the surface of the disk body is provided with locating support, and the locating support is L-shaped.
Further, the quantity of the locating support is two, and the right angle of two locating supports is oppositely arranged, two positioning
The side of bracket is parallel to each other.
Further, described device further includes alarm module, and the alarm module is electrically connected with the control panel, the report
Alert module is configured as alarming when the corresponding numerical value of the digital signal that the control panel is read is more than threshold value.
Further, the bottom of the shell further includes universal wheel and leveling bracket.
It is provided in an embodiment of the present invention measurement ventilation filter frame radiative level device include industrial personal computer, control panel,
Actinometry plate, radiation detector, fixed frame, shell, motor, screw rod, sliding block and drag load plate.Wherein, fixed frame is built in shell
Body, industrial personal computer are set on shell, and load plate is dragged removedly to be built in shell.Fixed mount setting has sliding rail, and motor is slideably
On the slide rail, motor is connected with screw rod for setting, and screw rod bushing is equipped with sliding block, is equipped with radiation detector on sliding block.Motor is used for
Screw rod rotation is driven when rotation, so that sliding block moves on screw rod.Motor is electrically connected with control panel, and radiation detector and radiation are surveyed
Template electrical connection, actinometry plate are connect with control panel, control panel and industry control mechatronics.Drag load plate for carrying ventilation filter
Device frame, control panel are used to detect the radiation of ventilation filter frame and generation pair for controlling motor rotation, radiation detector
The core pulse signal answered.Actinometry plate is used to core pulse signal being converted to digital signal, and digital signal is sent to control
Plate, control panel read digital signal and digital signal are sent to industrial personal computer, and industrial personal computer is for reading digital signal and being shown
Show.The device of measurement ventilation filter frame radiative level provided in an embodiment of the present invention can be according to scheduled speed and route
α, β and γ radiation value on ventilation filter frame surface are measured, and radiation detector is at a distance from ventilation filter frame surface
Keep certain, the radiation value on the ventilation filter frame surface for measuring nuclear radiation detector is accurate and reliable, measurement effect
Whether rate is high, and recycling rate of waterused is strong, and human cost is greatly saved, have the judgement of radioactive contamination to mention for ventilating filter screen frame
For reliably referring to and helping.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the external structure signal of the device of measurement ventilation filter frame radiative level provided in an embodiment of the present invention
Figure.
Fig. 2 is the internal structure signal of the device of measurement ventilation filter frame radiative level provided in an embodiment of the present invention
Figure.
Fig. 3 is the structural schematic diagram of sliding block provided in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of sliding block provided in an embodiment of the present invention.
Fig. 5 is the structural schematic diagram provided in an embodiment of the present invention for dragging load plate.
Icon: the device of 100- measurement ventilation filter frame radiative level；10- shell；110- universal wheel；120- leveling
Bracket；20- drags load plate；21- disk body；211- idler wheel；212- locating support；22- door-plate；23- guide rail；30- industrial personal computer；40- is solid
Determine frame；41- sliding rail；42- upper holder；Fixed frame in 43-；44- lower fixed frame；50- radiation detector；60- motor；70-
Bar；80- sliding block；81- pedestal；811- shielding cover board；812- mechanical arm；82- vertical joints；83- horizontal connection portion；84- spiral shell
Pit；200- ventilation filter frame.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Fig. 1 is please referred to, is the outer of the device 100 of measurement ventilation filter frame radiative level provided in an embodiment of the present invention
Portion's structural schematic diagram.The device 100 of the measurement ventilation filter frame radiative level includes shell 10, drags load plate 20 and industrial personal computer
30.Load plate 20 is dragged removedly to be accommodated in shell 10, industrial personal computer 30 is arranged on the housing 10.
It referring to figure 2., is the schematic diagram of internal structure for measuring the device 100 of ventilation filter frame radiative level, the survey
The device 100 for measuring ventilation filter frame radiative level further includes control panel (not shown), actinometry plate (not shown), fixation
Frame 40, radiation detector 50, motor 60, screw rod 70 and sliding block 80.The fixed frame 40 is built in shell 10, is arranged on fixed frame 40
There is sliding rail 41, motor 60 is slidably disposed on sliding rail 41.Motor 60 is connected with screw rod 70, and screw rod 70 is arranged with sliding block 80,
Radiation detector 50 is installed on sliding block 80.Motor 60 is electrically connected with control panel, and radiation detector 50 is electrically connected with actinometry plate
It connects, actinometry plate is connect with control panel, and control panel is electrically connected with industrial personal computer 30.
Basic functional principle of the invention are as follows: drag load plate 20 to carry ventilation filter frame 200 and be placed in shell 10.Control
Making sheet is rotated according to preset program controlled motor 60, so that screw rod 70 is driven to rotate, so that sliding block 80 moves on screw rod 70,
In moving process, radiation detector 50 detects the radiation of ventilation filter frame 200 and generates corresponding core pulse signal, should
Core pulse signal is transferred to actinometry plate, and core pulse signal is converted to digital signal by actinometry plate, by digital signal
It is sent to control panel, control panel reads digital signal and digital signal is sent to industrial personal computer 30, and industrial personal computer 30 reads digital letter
Number and shown.Industry control can also be passed through in measurement process to complete the actinometry of ventilation filter frame 200
The input module of machine 30, such as key, touch screen input control order, control the position and movement state of sliding block 80, such as
Position higher for radiation content, can stop the movement of sliding block 80, carefully to detect the radiation content of the position.
In the present embodiment, fixed frame 40 includes upper holder 42, middle fixed frame 43 and lower fixed frame 44.Upper holder 42
It is connect between lower fixed frame 44 by middle fixed frame 43, upper holder 42 includes multiple end to end frames, it is readily appreciated that
, a frame of upper holder 42 and a frame of lower fixed frame 44 constitute a face, in the present embodiment, this composition
Face is corresponding with a face of ventilation filter frame 200.
Sliding rail 41 is provided on the frame of upper holder 42, at least one in the middle fixed frame 43 of each frame connection
Be provided with sliding rail 41, each sliding rail 41 is correspondingly arranged on motor 60, motor 60 on sliding rail 41 slidably.
It referring to figure 3., is the structural schematic diagram of sliding block 80.Sliding block 80 includes that pedestal 81, vertical joints 82 and level connect
Socket part 83.Vertical joints 82 and horizontal connection portion 83 are provided with threaded hole 84.What the motor 60 on upper holder 42 connected
The threaded hole 84 of screw rod 70 and vertical joints 82 fits through the threaded hole 84 of vertical joints 82.On middle fixed frame 43
The threaded hole 84 of screw rod 70 and horizontal connection portion 83 that motor 60 connects fits through the threaded hole 84 in horizontal connection portion 83.With
The upper cooperation refers to that vertical joints 82 or horizontal connection portion 83 can stablize on screw rod 70 by threaded hole 84, and can be with
Opposite screw rod 70 moves by way of rotation.Pedestal 81 is provided with sliding rail 41, and horizontal connection portion 83 is slidably disposed on base
On the sliding rail 41 of seat 81, vertical joints 82 are fixed on pedestal 81, and radiation detector 50 is arranged in horizontal connection portion 83
On.In the present embodiment, middle fixed frame 43 is vertical with upper holder 42, lower fixed frame 44 respectively, so that on upper holder 42
The screw rod 70 that the screw rod 70 that motor 60 connects is connect with the motor 60 on middle fixed frame 43 is mutually perpendicular to.Control panel passes through in control
Motor 60 on motor 60 and middle fixed frame 43 on fixed frame 42 rotates, i.e., controllable radiation detector 50 is in upper holder
42, any point is free to travel in the plane that middle fixed frame 43 and lower fixed frame 44 are formed.For example, fixed in control panel control
The motor 60 of frame 42 rotates, at this point, vertical joints 82 move on screw rod 70, and horizontal connection portion 83 remains stationary, sliding block
80 it is whole up or down moved (i.e. close to or far from the direction of upper holder 42), so that radiation detector 50 is up or down
It moves, the motor 60 on middle fixed frame 43 up or down moves on the sliding rail 41 on middle fixed frame 43.It is visited when needing to radiate
When surveying device 50 or so (i.e. close to or far from the direction of a certain middle fixed frame 43) movement, the motor of fixed frame 43 in control panel control
60 rotations, at this point, horizontal connection portion 83 moves on screw rod 70, while moving in the sliding rail of pedestal 81 41, and vertical joints
82 remain stationary.To sum up, the motion profile of radiation detector 50 can be controlled by the rotation of motor 60, in the present embodiment,
Control panel can plan the detection track of radiation detector 50 in advance, and the side of the rotation of motor 60 is gone out by preset algorithmic rule
Formula, so that the rotation of motor 60 be made to drive moving according to desired guiding trajectory for radiation detector 50.In the process, control panel is by default
Time interval report the work state, progress and measurement result to industrial personal computer 30.
When detecting to radiation, the alpha ray, β ray and gamma-rays of determinand, therefore, radiation detector can be measured
50 include gamma radiation detector and α/β radiation detector.Since alpha ray and β ray do not have a penetrability, and ventilation filter frame
Frame 200 generally comprises four faces, therefore, can be to each face of ventilation filter frame 200 when measuring alpha ray and β ray
It measures, therefore, a α/β radiation detector is respectively provided in each horizontal connection portion 83.And to gamma radiation detector
Quantity do not require, for save the cost, the quantity of gamma radiation detector is one, which can be set
The top of shell 10.Compared to the mode of traditional manual measurement, measurement ventilation filter frame radiative provided in this embodiment
Horizontal device 100 can be accurately mobile according to preset speed, and radiation detector 50 and 200 table of ventilation filter frame
The distance in face keeps certain, so that the alpha ray on 200 surface of ventilation filter frame that nuclear radiation detector 50 measures, Beta-ray
It is worth more accurate.
It, may when radiation detector 50 measures since size selective sampling itself has radiation, such as environmental radiation
It is influenced by size selective sampling, leads to the radiation accuracy measured.In the present embodiment, ventilation filter frame spoke is measured
The flat device 100 of jetting further includes shielded layer (not shown), which is arranged in the inner wall of shell 10.Preferably, shell
Body 10 can be set to hollow shell, between shielded layer setting in the housing 10, it is contemplated that shielding is mainly to shield gamma-rays
It is main, therefore can be by formula when design:
To calculate the thickness of shielding material, wherein RxFor the gamma ray intensity obtained after shielding, R0When not add shielding
Gamma ray intensity, x be shielded layer thickness, ρ be shielding material density, μmFor the mass-absorption coefficient of shielding material,
Preferably, the material of shielded layer selects metallic lead.
Size selective sampling mainly has the radiation in environment and the background in equipment and materials, such as radiation detector 50 itself, work
Control machine 30, control panel, actinometry plate also have radiation, radiation of the radiation detector 50 in measurement ventilation filter frame 200
When, after shielding the radiation interference outside shell 10, the radiation measured is the radiation of the size selective sampling in shell 10 plus ventilation
The radiation of filter frame 200, in order to more accurately obtain 200 eradiation value of ventilation filter frame, referring to figure 4.,
In the present embodiment, pedestal 81 is provided with shielding cover board 811 and mechanical arm 812, and mechanical arm 812 is connect with control panel, shielding cover board
811 connect with mechanical arm 812, and control panel sends to mechanical arm 812 and covers before detecting to ventilation filter frame 200
Instruction, mechanical arm 812 respond the probe that covering instruction extend out to radiation detector 50, so that shielding cover board 811 is blocked radiation and visit
The probe of device 50 is surveyed, since alpha ray and β ray do not have penetrability, shielding cover board 811 blocks the probe of radiation detector 50
Afterwards, radiation detector 50 cannot detect the alpha ray and β ray of ventilation filter frame 200 again, and the measurement of radiation detector 50 is except logical
The nuclear radiation of size selective sampling outside wind filter frame 200.When the measurement of radiation detector 50 is in addition to ventilation filter frame 200
After the completion of nuclear radiation, control panel to mechanical arm 812 transmission takes off lid instruction, mechanical arm 812 respond this take off lid instruction bounce back to original position,
Shielding cover board 811 is set to leave the probe of radiation detector 50, so that radiation detector 50 carries out spoke to ventilation filter frame 200
Penetrate measurement.After the radiation value that radiation detector 50 measures subtracts the nuclear radiation value of size selective sampling, radiation detector 50 can be obtained
The nuclear radiation value of the position of corresponding ventilation filter frame 200.
It referring to figure 5., is the structural schematic diagram for dragging load plate 20.It includes disk body 21, door-plate 22 and guide rail 23 that this, which drags load plate 20,.
The bottom of shell 10 is arranged in guide rail 23, and door-plate 22 is connect with disk body 21, and the bottom of disk body 21 is provided with idler wheel 211, idler wheel 211
It is slidably received in guide rail 23, shell 10 is provided with opening, and door-plate 22 is used for as closing opening.Pass through setting for idler wheel 211
It sets, disk body 21 more easily can be hauled out or be more easily entered in shell 10 from shell 10.In order to guarantee ventilation filter
Each face of position stabilization and ventilation filter frame 200 of the device frame 200 on disk body 21 and measurement ventilation filter frame
The position of the corresponding radiation detector 50 of the device 100 of radiation level is consistent, disk body 21 provided in an embodiment of the present invention
Surface be provided with locating support 212, locating support 212 is L-shaped.The outer turning of ventilation filter frame 200 is accommodated in " L "
The interior turning of type locating support 212, to play fixed function.Preferably, the quantity of locating support 212 is two, two
The right angle of locating support 212 is oppositely arranged, and the side of two locating supports 212 is parallel to each other.
Further, the device 100 of measurement ventilation filter frame radiative level provided in an embodiment of the present invention further includes
Alarm module (not shown), alarm module are electrically connected with control panel, and alarm module is used for the digital signal when control panel is read
Corresponding numerical value is alarmed when being more than threshold value, i.e. a certain position that detects ventilation filter frame 200 of radiation detector 50
Nuclear radiation value when be more than threshold value, alarm module alarm, the alarm module can be the Generic Alerts such as buzzer, electric bell
Device, the present embodiment are not construed as limiting this.When radiation detector 50 detects hot spot (point that radiation value is more than threshold value), industrial personal computer
Measurement result is carried out Special display, such as is indicated by abnormal color to testing result by 30 pairs.
In addition, for the ease of the device 100 of movement measurement ventilation filter frame radiative level provided in this embodiment, shell
The bottom of body 10 is additionally provided with universal wheel 110, in order to make the device 100 for measuring ventilation filter frame radiative level keep water
Flat, the bottom of shell 10 is additionally provided with leveling bracket 120, since universal wheel 110 and leveling bracket 120 are the prior art, herein
It does not repeat them here.
Further, the device 100 of measurement ventilation filter frame radiative level provided in an embodiment of the present invention is unlimited
In the radiation value of measurement ventilation filter frame 200, the radiation content of other objects can also be measured, the improvement of adaptability should all
It falls into the range of the embodiment of the present invention, such as irregular object, it can be in horizontal connection portion 83 and radiation detector
Telescoping mechanism is set between 50, while a range sensor is set to detect the spy of radiation detector 50 on radiation detector 50
The distance between head and testee control telescoping mechanism by control panel and stretch so that the probe of radiation detector 50 is apart from quilt
It surveys the distance between object and keeps preset distance value.
In addition, divulging information to guarantee to measure the normal work of the device 100 of ventilation filter frame radiative level in measurement
The device 100 of filter frame radiation level has done redundancy consideration when integrating.It is embodied in: after booting, measurement ventilation
The device 100 of filter frame radiation level first runs self-check program, guarantees to work normally；Automatic detection is logical before starting detection
Neatly whether wind filter frame 200 put, and collides ventilation filter frame 200 when moving to prevent radiation detector 50,
It can artificial emergent stopping when during the work time any.
In conclusion the embodiment of the invention provides a kind of device for measuring ventilation filter frame radiative level, the dress
It sets including industrial personal computer, control panel, actinometry plate, radiation detector, fixed frame, shell, motor, screw rod, sliding block and drags load plate.
Wherein, fixed frame is built in shell, and industrial personal computer is set on shell, and load plate is dragged removedly to be built in shell.Fixed mount setting
There is sliding rail, motor is slidably disposed on sliding rail, and motor is connected with screw rod, and screw rod bushing is equipped with sliding block, is equipped with spoke on sliding block
Penetrate detector.Motor is used to drive screw rod rotation in rotation, so that sliding block moves on screw rod.Motor is electrically connected with control panel
It connects, radiation detector is electrically connected with actinometry plate, and actinometry plate is connect with control panel, control panel and industry control mechatronics.
Load plate is dragged to divulge information for controlling motor rotation, radiation detector for detecting for carrying ventilation filter frame, control panel
The radiation of filter frame simultaneously generates corresponding core pulse signal.Actinometry plate is used to core pulse signal being converted to digital letter
Number, digital signal is sent to control panel, control panel reads digital signal and digital signal is sent to industrial personal computer, and industrial personal computer is used
In reading digital signal and shown.The device of measurement ventilation filter frame radiative level provided in an embodiment of the present invention can
With according to α, β and γ radiation value of scheduled speed and route survey ventilation filter frame surface, and radiation detector and logical
The distance on wind filter frame surface keeps certain, the ventilation filter frame surface for measuring nuclear radiation detector
Radiation value is accurate and reliable, and measurement efficiency is high, and recycling rate of waterused is strong, and human cost is greatly saved, and is for ventilating filter screen frame
The no judgement for having radioactive contamination provides reliable reference and helps.
In the description of the present invention, it should be noted that term " on ", "lower", " vertical ", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the invention product use when it is usual
The orientation or positional relationship put, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion meaning
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to of the invention
Limitation.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (10)
1. a kind of device for measuring ventilation filter frame radiative level, which is characterized in that described device includes industrial personal computer, control
Plate, actinometry plate, radiation detector, fixed frame, shell, motor, screw rod, sliding block and load plate is dragged, the fixed frame is built in
The shell, the industrial personal computer are set on the shell, described that load plate is dragged removedly to be built in the shell, the fixation
Erection is equipped with sliding rail, and the motor is slidably disposed on the sliding rail, and the motor is connected with screw rod, and the screw rod is arranged
There is sliding block, the radiation detector is installed on the sliding block, the motor is configured as driving the screw rod to rotate when rotation,
So that the sliding block moves on the screw rod, the motor is electrically connected with the control panel, the radiation detector with it is described
The electrical connection of actinometry plate, the actinometry plate are connect with the control panel, the control panel and the industry control mechatronics,
Described that load plate is dragged to be configured as carrying ventilation filter frame, the control panel is configured as controlling the motor rotation, described
Radiation detector is configured as detecting the radiation of the ventilation filter frame and generates corresponding core pulse signal, the radiation
Measurement plate is configured as the core pulse signal being converted to digital signal, and digital signal is sent to the control panel, described
Control panel is additionally configured to read the digital signal and the digital signal is sent to the industrial personal computer, the industrial personal computer quilt
It is configured to read the digital signal and be shown.
2. the device of measurement ventilation filter frame radiative level according to claim 1, which is characterized in that the fixation
Frame includes upper holder, middle fixed frame and lower fixed frame, is passed through between fixed frame and the lower fixed frame solid in described
Determine frame connection, fixed frame includes multiple end to end frames, is provided with sliding rail on the frame, each described side
At least one in the middle fixed frame of frame connection is provided with sliding rail, each described sliding rail is correspondingly arranged on motor, the motor
On the sliding rail slidably, the sliding block includes pedestal, vertical joints and horizontal connection portion, the vertical joints and water
Flushconnection portion is provided with threaded hole, the screw rod of the motor connection on fixed frame and the threaded hole of the vertical joints
The threaded hole of the vertical joints is fitted through, the screw rod of the motor connection on the middle fixed frame and the horizontal connection
The threaded hole in portion fits through the threaded hole in the horizontal connection portion, and the pedestal is provided with sliding rail, the horizontal connection portion
It is slidably disposed on the sliding rail of the pedestal, the vertical joints are fixed on the pedestal, and the radiation is visited
Device is surveyed to be arranged in the horizontal connection portion.
3. the device of measurement ventilation filter frame radiative level according to claim 2, which is characterized in that the radiation
Detector includes gamma radiation detector and multiple α/β radiation detectors, and a α/β is arranged in each horizontal connection portion
Radiation detector.
4. the device of measurement ventilation filter frame radiative level according to claim 1, which is characterized in that described device
It further include shielded layer, the inner wall of the shell is arranged in the shielded layer.
5. the device of measurement ventilation filter frame radiative level according to claim 3, which is characterized in that the pedestal
It is provided with shielding cover board and mechanical arm, the mechanical arm is connect with the control panel, and the shielding cover board and the mechanical arm connect
It connects, the control panel is additionally configured to before detecting to the ventilation filter frame, and Xiang Suoshu mechanical arm, which is sent, to be covered
Instruction, the mechanical arm extend out to the probe of the radiation detector, the shielding cover board are made to block the radiation detector
Probe, so that the radiation detector measures the nuclear radiation in addition to the ventilation filter frame, when the radiation detector is surveyed
After the completion of measuring the nuclear radiation in addition to the ventilation filter frame, the control panel, which is configured as sending to the mechanical arm, takes off lid
Instruction, the mechanical arm bounces back to original position, the shielding cover board is made to leave the probe of the radiation detector, so as to the radiation
Detector measures the ventilation filter frame.
6. the device of measurement ventilation filter frame radiative level according to claim 1-5, which is characterized in that
The shell is provided with opening, and described to drag load plate include disk body, door-plate and guide rail, and the bottom of the shell is arranged in the guide rail
Portion, the door-plate are connect with the disk body, and the bottom of the disk body is provided with idler wheel, and the idler wheel is slidably received in described
In guide rail, the door-plate is configured as closing the opening.
7. the device of measurement ventilation filter frame radiative level according to claim 6, which is characterized in that the disk body
Surface be provided with locating support, the locating support is L-shaped.
8. the device of measurement ventilation filter frame radiative level according to claim 7, which is characterized in that the positioning
The quantity of bracket is two, and the right angle of two locating supports is oppositely arranged, and the side of two locating supports is parallel to each other.
9. the device of measurement ventilation filter frame radiative level according to claim 6, which is characterized in that described device
It further include alarm module, the alarm module is electrically connected with the control panel, and the alarm module is configured as when the control
The digital signal that plate is read corresponding numerical value is alarmed when being more than threshold value.
10. the device of measurement ventilation filter frame radiative level according to claim 6, which is characterized in that the shell
The bottom of body further includes universal wheel and leveling bracket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710628981.8A CN107367752B (en) | 2017-07-28 | 2017-07-28 | Measure the device of ventilation filter frame radiative level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628981.8A CN107367752B (en) | 2017-07-28 | 2017-07-28 | Measure the device of ventilation filter frame radiative level |
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| CN107367752A CN107367752A (en) | 2017-11-21 |
| CN107367752B true CN107367752B (en) | 2019-04-05 |
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| CN201710628981.8A Expired - Fee Related CN107367752B (en) | 2017-07-28 | 2017-07-28 | Measure the device of ventilation filter frame radiative level |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112034504A (en) * | 2020-07-30 | 2020-12-04 | 武汉雅洛诗商贸有限公司 | Atmospheric radioactive scene radiation level detection station |
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