CN104483249B - Particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas - Google Patents
Particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas Download PDFInfo
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- CN104483249B CN104483249B CN201410844708.5A CN201410844708A CN104483249B CN 104483249 B CN104483249 B CN 104483249B CN 201410844708 A CN201410844708 A CN 201410844708A CN 104483249 B CN104483249 B CN 104483249B
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Abstract
The invention discloses particulate matter quality concentration in a kind of gas and elemental composition dual-beam automatic detection device, including pedestal；The Atmospheric particulates acquisition and analysis device that filter paper compression is loosened is carried out with the rotatable parts that particulate matter collection and detection can be carried out by rotating and using cam, turn the filter paper transmitting device of paper unit, and the x-ray detection device with X-ray emission unit, X-ray detection unit with filter paper counting unit, filter paper damping unit, filter paper；Atmospheric particulates acquisition and analysis device and x-ray detection device are sequentially arranged on pedestal, and carry out corresponding operating to being wrapped on filter paper transmitting device and being sequentially transported to the filter paper at collection and at detection；The present invention will be integrated to the two of Atmospheric particulates kinds of detection modes, and filter paper cam mechanism and the filter paper transmitting device of operation readiness are loosened by using the easy switching of rotatable parts, efficiently simple compression, so that Through Several Survey Measure realizes automation, and overall structure efficiency, operation are all improved, while also causing integrally-built volume to greatly reduce.
Description
Technical field
The present invention relates to detecting instrument field, it particularly relates to particle in environment monitoring device field, especially gas
Thing on-line measuring device.
Background technology
Because air environmental pollution situation is increasingly serious, the monitoring to Atmospheric Grains seems important all the more, air
Grain thing refers to the general name of scattered solid-state or liquid particles shape material in an atmosphere, and its particle size range is about 0.1-100 micro-
Rice, the methods of detection Atmospheric particulates are more at present, and the equipment of independent detection is also more, typically for Atmospheric particulates
Carrying out analysis needs to detect the composition species and its quality of some elements present in particulate matter gross mass and particulate matter.At present
Used detection gimmick is detected using independent equipment, not only with high costs, while operation is also inconvenient, it is more difficult
To realize on-line continuous automatic detection.
And in the prior art, the primary metering method of air particle has：Gravimetric method, β attenuation sensors, oscillating balance
Method, wherein, the automaticity of β attenuation sensors is higher, can carry out continuous accurate measurement, in heavy contamination or geographical position
Important place is put, the situation of change of particulate in air concentration can be effectively reflected, is that environmental administration carries out air quality
Assess and government decision provides accurate, reliable data foundation, so, β attenuation sensors are widely used in particle analyte detection
In device, but use the instrumentation of β attenuation sensors more complicated, in-convenience in use, and instrument complicated, volume
Larger, fault rate is higher, and the situation of disconnected paper often occurs in the filter paper on instrument, it is impossible to meet and air particle is carried out in real time
The need for monitoring, and because the position of collection particulate matter and detection particulate matter there is a situation where to change, cause testing result meeting
There is error；Meanwhile, as described above, in the present case, generally requiring two kinds of independent equipment and being detected that it has cost
Height, it is cumbersome, and due to the problem of the instrument of existing use β attenuation sensors is present so that even if both carry out letter
Unijunction close, still along deposited it is many each be individually present the problem of, it is therefore desirable to find it is a kind of can integrate both schemes, together
When be avoided that the independent defect of the two in the past again, in particular by β attenuation sensors instrument the problem of.
The content of the invention
In view of this, it is necessary to overcome at least one in drawbacks described above of the prior art.The invention provides a kind of gas
Particulate matter quality concentration and elemental composition dual-beam automatic detection device in body, including：
Pedestal；
Atmospheric particulates acquisition and analysis device, including substrate, radiator beta-ray switch unit, filter paper compressing unit, cam power
Unit, the radiator beta-ray switch unit, the filter paper compressing unit are installed successively from top to bottom, and same installed in the substrate
Side；The cam power unit is installed on the substrate, and the cam power unit passes through installed in the cam power list
The cam of first output shaft end couples with the filter paper compressing unit；The radiator beta-ray switch unit includes capsule components and peace
Cylindrical type in the capsule components and the through hole that is intersected vertically with axis and own central axis line and the β is installed
The installation position rotatable parts of radioactive source；The filter paper compressing unit includes hold-down support, drive link, slide unit, filter paper and compressed
Part and contact component；The hold-down support is fixedly mounted on the side of the pedestal, and the slide unit passes through described solid
The upper and lower surface and its top for determining bearing are provided with the filter paper compacting part and its underpart is provided with the contact component；Institute
State drive link one end and couple the contact component, the other end couples the cam power unit；The cam power unit includes
Cam, the cam and contact component connection；
Filter paper transmitting device, including filter paper counting unit, filter paper damping unit, filter paper turn paper unit；
X-ray detection device, including X-ray emission unit, X-ray detection unit；
The Atmospheric particulates acquisition and analysis device is arranged on pedestal front by the substrate, and x-ray detection device is adjacent
The nearly Atmospheric particulates acquisition and analysis device is installed and installed in the front of pedestal, and the filter paper counting unit is arranged on described
The front side of Atmospheric particulates acquisition and analysis device, the filter paper damping unit and the filter paper turn paper unit installed in the pedestal
Front, filter paper be arranged on the filter paper damping unit on, through the filter paper counting unit, the radiator beta-ray switch unit with
The detecting position below gap and the X-ray detection unit between the filter paper compressing unit, paper list turned by the filter paper
Member drive is wrapped in the filter paper and turned on paper unit.
According to being detected in background of invention to described in prior art, generally requiring two kinds of independent equipment, its
There is cost high, it is cumbersome, and due to the problem of the instrument of existing use β attenuation sensors is present, such as being penetrated using β
The instrumentation of line absorption method is more complicated, in-convenience in use, and instrument is complicated, fault rate is higher, the filter paper on instrument
The situation of disconnected paper often occurs, it is impossible to meet and air particle is carried out the need for monitoring in real time so that even if both are carried out
It is simple to combine, still along deposited it is many be each individually present the problem of；And particulate matter quality concentration in the gas that the present invention is provided
And elemental composition dual-beam automatic detection device, filter paper progress positioning is stepped up by that will use, can be in the collection period
It is acquired under tension-free state, it is to avoid conventional disconnected paper phenomenon, while use cam structure that structure is further simplified,
It is compact so that volume is smaller, and two kinds of detection modes are integrated, overall volume can be further reduced, convenient operation, drop
Low overall failure rate, the need for further facilitating monitoring in real time.
In addition, according to particulate matter quality concentration in gas disclosed by the invention and elemental composition dual-beam automatic detection device
Also there is following additional technical feature：
Further, the radiator beta-ray switch unit also includes collection air inlet component, rotating power source, radiator beta-ray, institute
State capsule components and be fixedly mounted on the pedestal side, the collection air inlet component is arranged on the top of the capsule components and institute
State collection air inlet component inner passage to communicate with the chamber in the capsule components, it is dynamic that the rotatable parts are arranged on the rotation
The output end in power source and positioned at the capsule components chamber in, the rotating power source be arranged on the substrate opposite side；
Through hole and institute is installed that the rotatable parts intersect vertically for cylindrical type and with axis and the rotatable parts axis
State the installation position of radiator beta-ray.
The rotatable parts can be rotated under the drive of the rotating power source, can be revolved in the collection period
Turn, the through hole on the rotatable parts is communicated with the chamber in the capsule components, now, carry the gas of particulate matter
Body reaches filter paper by the through hole, carries out the collection of particulate matter；When being detected, the rotatable parts are rotated, and are made
Obtain radiator beta-ray to be in above filter paper, and close the passage at the capsule components middle chamber arrival filter paper, that is, close the rotation
The through hole on part, can so carry out convenient two positions and switch over work.
Further, the rotating power source is motor or rotary cylinder.
The rotating power source can be motor, and the rotation of motor can more flexibly, but cost is higher；The rotation is dynamic
Power source can also select rotary cylinder, and the flexibility of revolution of rotary cylinder is relatively low, but cost is small, safeguard also more convenient.
Further, the passage in the collection air inlet component is gathering air inlet with the through hole in the rotatable parts
Shi Guantong and closed.
Further, the radiator beta-ray switch unit also includes connection parts.The connection parts are used to couple described
The output end of rotating power source and the rotatable parts, play defencive function.
Alternatively, the connection parts are torque force limiting device or connector.
Torque force limiting device and connector can protect the rotating power source avoid overload damage, and torque force limiting device for
The protecting effect of motor is more preferable.
Further, the radiator beta-ray switch unit also includes the positioning element positioned to the rotatable parts, institute
State positioning element to be used for making the rotary part rotate to defined location, can be the portion of positioning stud and its similar functions
Part.
Further, the filter paper compressing unit also includes photomultiplier, and the photomultiplier is arranged on the filter
Paper compacting part bottom.
Further, the cam power unit also includes power source, fixed seat, and the fixed seat is arranged on the pedestal
On, the power source is arranged in the fixed seat, and the cam is arranged on the output end of the power source.
Further, the power source is DC toothed gearing electric motor.
Further, the cam power unit also includes optocoupler.
The optocoupler can be accurately positioned and signal feedback to whole mechanism.
Further, the connection parts are the part of flexible structure.
Connection parts are flexible, can further reduce the filter paper compressing unit and the radiator beta-ray switch unit
In the excessive rigid contact pressure of the capsule components, play the function of protection.
Further, the contact component in the filter paper compressing unit is to couple with the cam.Such a knot
Structure can make the filter paper compressing unit linkage return without elastic construction, structure can be made further to simplify.
Further, the filter paper compressing unit include hold-down support, drive link, slide unit, filter paper compacting part with
And contact component, the contact component and the cam in the filter paper compressing unit are contact connection, and the filter paper is compressed
Unit also includes elastomeric element.
Further, the elastomeric element is spring, and the spring is arranged on the hold-down support and the contact site
Between part.
Further, in the gas particulate matter quality concentration and elemental composition dual-beam automatic detection device also include it is auxiliary
Help roller, the auxiliary wheel be arranged on friction pulley in the rear side of the x-ray detection device, the filter paper counting unit with
The public tangent plane of auxiliary wheel formation by the gap between the radiator beta-ray switch unit and the filter paper compressing unit with
And the detecting position below the X-ray detection unit；The filter paper damping unit and the filter paper turn paper unit and are arranged on described
On pedestal and with the Atmospheric particulates acquisition and analysis device and the x-ray detection device homonymy, filter paper be arranged on the filter
On paper damping unit, between the filter paper counting unit, the radiator beta-ray switch unit and the filter paper compressing unit
Detecting position, the auxiliary wheel below gap and the X-ray detection unit, turn the drive of paper unit by the filter paper and are wrapped in
The filter paper turns on paper unit.
Further, the filter paper counting unit includes shaggy friction pulley, rotary encoder, the friction pulley peace
Mounted in the front of the pedestal, the rotary encoder is arranged on the reverse side of the pedestal.
When filter paper is moved, friction pulley is driven（Because rubbing, wheel surface is very coarse, and friction is than larger）, so that
Connected rotary encoder is driven, filter paper can be made equally spacedly to move.
Further, the friction pulley is grinding abrasive disk.
Further, the filter paper damping unit includes damped part, filter paper rotary part and damping fixed seat；The resistance
Buddhist nun's part is arranged on the reverse side of the pedestal by the damping fixed seat, and the filter paper rotary part is fixed by the damping
Seat couples with the damped part and installed in the front of the pedestal, and filter paper is wrapped on the filter paper rotary part.
Further, the damped part includes damping left regulation wheel, damper axis, damping spring, and the damping is adjusted
Section wheel is installed in the end of the damper axis, and the damping spring is sleeved on the damper axis, the damping bullet
Spring can be substituted for other flexible members.
Further, the filter paper rotary part includes the rotating shaft of damping filter paper, damping filter paper baffle plate, and filter paper is arranged on institute
State damping filter paper rotating shaft and between the damping filter paper baffle plate.
Further, the filter paper rotary part also includes damping knob, damping outer press ring, damping O-ring seal, resistance
Buddhist nun's filter paper inner ring, the damping knob is arranged on the outer end of the damping filter paper rotating shaft, and the damping outer press ring is arranged on described
Damp the inboard of knob and be sleeved in the damping filter paper rotating shaft, the damping O-ring seal is enclosed on the damping filter paper turn
Contacted on axle with the damping outer press ring, meanwhile, the filter paper rotary part may also include multiple damping pressure rings, phase
Damping O-ring seal is installed between two adjacent damping pressure rings, on the outside of the damping pressure ring and damping O-ring seal
It is cased with the damping filter paper inner ring.
This unit, which is mainly, prevents whole system when shutting down, and filter paper loosens, so as to influence filter paper.When turning damping
During knob, so as to compress damping outer press ring, make damping O-ring seal modification, at this moment damp filter paper inner ring and be just tightly stuck in machine
On structure, otherwise when turning on damping knob, damping filter paper inner ring is just unclamped, and damping filter paper baffle plate prevents filter paper deviation side in rotation
To, when turn damping left regulation wheel can just adjust the elastic of damping spring, so as to the size for the damping for adjusting whole mechanism.
Further, the filter paper, which turns paper unit, includes motor, turns the rotating shaft of paper filter paper, turns paper filter paper baffle plate, the motor
Installed in the reverse side of the pedestal, the rotating shaft of paper filter paper, the paper filter paper baffle plate that turns of turning is installed in the front of the pedestal, filter
Paper, which is arranged on, described to be turned in paper filter paper rotating shaft and turns positioned at described between paper filter paper baffle plate.
Further, the filter paper, which turns paper unit, also includes motor mount plate, motor fixed plate, and the motor is arranged on
It is arranged in the motor mount plate by the motor fixed plate on the pedestal.
Further, the filter paper turn paper unit also include shaft coupling, the motor by the shaft coupling with it is described
Turn paper filter paper rotating shaft connection.
Further, the filter paper turn paper unit also include knob, fixation spring tab, outer press ring, O-ring seal,
Pressure ring.
When turning knob, so as to compress outer press ring, make O-ring seal modification, at this moment filter paper inner ring is just tightly stuck in
In mechanism, otherwise when turning on knob, filter paper inner ring is just unclamped, and filter paper baffle plate prevents filter paper offset direction in rotation, passes through horse
Filter paper axis of rotation is driven up to the power provided, so that filter paper can be wound in filter paper inner ring.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is one embodiment of the invention schematic diagram；
Fig. 2 is Atmospheric particulates acquisition and analysis device one embodiment schematic diagram of the present invention；
The right side that Fig. 3 is Fig. 2 regards schematic diagram；
Fig. 4 is one embodiment schematic diagram of radiator beta-ray switch unit in the present invention；
Fig. 5 is the schematic diagram that Fig. 4 hides capsule components；
Fig. 6 is one embodiment schematic diagram of the capsule components of radiator beta-ray switch unit in the present invention；
Fig. 7 is Fig. 6 elevational schematic view；
Fig. 8 is one embodiment schematic diagram of the rotatable parts of radiator beta-ray switch unit in the present invention；
Fig. 9 is one embodiment schematic diagram of filter paper compressing unit in the present invention；
Figure 10 is one embodiment schematic diagram of cam power unit of the present invention；
Figure 11 is one embodiment schematic diagram of filter paper counting unit in the present invention；
Figure 12 is the diagrammatic cross-section of one embodiment of filter paper damping unit in the present invention；
Figure 13 is the diagrammatic cross-section of one embodiment that filter paper turns paper unit in the present invention.
Wherein, 1 Atmospheric particulates acquisition and analysis device, 11 substrates, 1100 radiator beta-ray switch units, 1200 filter paper are compressed
Unit, 1300 cam power units, 1101 collection air inlet components, 1102 capsule components, 1103 connection parts, 1104 rotary powers
Source, 1105 support frames, 1106 rotatable parts, 1107 positioning elements, 11061 through holes, 11062 installation positions, 11063 catch 11064
Locating slot, 11021 collection chamber, 11022 rotation chambers, 11023 through holes, 1201 filter paper compacting parts, 1202 photomultipliers,
1203 hold-down supports, 1204 slide units, 1205 drive links, 1206 contact components, 1301 power sources, 1302 fixed seats, 1303
Cam, 1304 optocouplers；2 pedestals；3 filter paper transmitting devices, 31 filter paper counting units, 32 filter paper damping units, 33 filter paper turn paper list
Member, 311 friction pulleys, 312 fixed seats, 313 rotary encoders, the 321 filter paper rotary parts 322 damping damper portion of fixed seat 323
Part, 3211 damping knobs, 3212 damping fixation spring tabs, 3213 damping outer press rings, 3214 filter paper front aprons, 3215 damping filter paper
Inner ring, 3216 damping pressure rings, 3217 damping O-ring seals, 3218 filter paper rear baffles, 3219 damping filter paper rotating shafts, 322 dampings
Device fixed seat, the damping spring of 323 damped part 3231,3232 damper axis, 3233 damping left regulation wheels, 3310 knobs, 3311
Thread spindle, 3312 fixation spring tabs, 3313 outer press rings, 3314 turns of paper filter paper front aprons, 3315 filter paper inner ring, 3316O type sealing rings,
3317 pressure rings, 3318 turns of paper filter paper rear baffles, 3319 turns of paper filter paper rotating shafts, 3320 motor mount plates, 3321 motor fixed plates,
3322 shaft couplings, 3323 motors；4 x-ray detection devices, 41X ray emission units, 42X ray detector units；5 auxiliary rollings
Wheel.
Embodiment
The embodiments described below is exemplary, is only used for explaining the present invention, and can not be construed to the limit to the present invention
System.
In the description of the invention, it is to be understood that term " front ", " reverse side ", " " center ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", etc. instruction orientation or position relationship be
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connection ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Particulate matter quality concentration and elemental composition dual-beam are automatic in gas below with reference to accompanying drawings to describe the present invention
Detection means, wherein Fig. 1 are one embodiment of the invention schematic diagrames, and Fig. 2-10 is the Atmospheric particulates collection analysis dress of the present invention
Embodiment and part accompanying drawings are put, Figure 11 is one embodiment schematic diagram of filter paper counting unit in the present invention, Tu12Shi
The diagrammatic cross-section of one embodiment of filter paper damping unit in the present invention, Figure 13 is filter paper turns paper unit in the present invention one
The diagrammatic cross-section of embodiment.
In embodiments in accordance with the present invention, the gas that provides of the present invention particulate matter quality concentration and elemental composition dual-beam from
Motion detection device, including：
Pedestal 2；
Atmospheric particulates acquisition and analysis device, including substrate 11, radiator beta-ray switch unit 1100, filter paper compressing unit
1200, cam power unit 1300, the radiator beta-ray switch unit 1100, the filter paper compressing unit 1200 from top to bottom according to
It is secondary to install, and installed in the homonymy of substrate 11；The cam power unit 1300 is installed on the substrate, and the cam is moved
Power unit 1300 is compressed single by the cam 1303 installed in the output shaft end of cam power unit 1300 and the filter paper
Member 1200 couples, as shown in Figure 2,3；The radiator beta-ray switch unit 1100 includes capsule components 1102 and installed in the chamber
Cylindrical type and the through hole 11061 intersected vertically with axis and own central axis line and installation β radiation in body component 1102
The rotatable parts 1106 of the installation position 11062 in source；The filter paper compressing unit 1200 includes hold-down support 1203, drive link
1205th, slide unit 1204, filter paper compacting part 1201 and contact component 1206；The hold-down support 1203 is fixedly mounted on
The side of the pedestal 11, the slide unit 1204 passes through the upper and lower surface of the hold-down support 1203 and its top is provided with
The filter paper compacting part 1201 and its underpart are provided with the contact component 1206；Described one end of drive link 1205 couples institute
Contact component 1206 is stated, the other end couples the cam power unit 1300；The cam power unit 1300 includes cam
1303, the cam 1303 and the contact component 1206 couple；
Filter paper transmitting device 3, including filter paper counting unit 31, filter paper damping unit 32, filter paper turn paper unit 33；
X-ray detection device 4, including X-ray emission unit 41, X-ray detection unit 42；
The Atmospheric particulates acquisition and analysis device 1 is arranged on the front of pedestal 2, X-ray detection dress by the substrate 11
4 are put to install adjacent to the Atmospheric particulates acquisition and analysis device 1 and installed in the front of pedestal 2, the filter paper counting unit 31
Installed in the front side of the Atmospheric particulates acquisition and analysis device 1, the filter paper damping unit 32 and the filter paper turn paper unit
33 be arranged on the pedestal 2 front, filter paper be arranged on the filter paper damping unit 31 on, through the filter paper counting unit 31,
Gap and the X-ray detection unit 4 between the radiator beta-ray switch unit 1100 and the filter paper compressing unit 1200
The detecting position of lower section, turn by the filter paper paper unit 33 and drive to be wrapped in the filter paper and turn on paper unit 33.
According to some embodiments of the present invention, as Figure 4-8, the radiator beta-ray switch unit 1100 also includes collection
Air inlet component 1101, rotating power source 1104, radiator beta-ray, the capsule components 1102 are fixedly mounted on the side of pedestal 11,
The collection air inlet component 1101 is arranged on the top of the capsule components 1102 and the inside of the collection air inlet component 1101 is logical
Road and the chamber in the capsule components 1102（Chamber includes collection chamber 11021, rotates cavity 11022）Communicate, described turn
Dynamic component 1106 is arranged on the output end of the rotating power source 1104 and in the chamber of the capsule components 1102, described
Rotating power source 1104 is arranged on the opposite side of the substrate 11；The rotatable parts 1106 be cylindrical type and with axis with
Through hole 11061 and the installation position 11062 of installation radiator beta-ray that the axis of rotatable parts 1106 intersects vertically.
According to some embodiments of the present invention, rotary part 1106 also includes catch 11063 and locating slot 11064, positioning
Groove 11064 is interacted by positioning element 1107, it is ensured that the position positioning of rotary part 1106.
The rotatable parts 1106 can be rotated under the drive of the rotating power source 1104, can be in the collection period
Rotated, the through hole 11061 on the rotatable parts 1106 is communicated with the chamber in the capsule components 1102, this
When, the gas for carrying particulate matter reaches filter paper by the through hole 11061, carries out the collection of particulate matter；When being detected,
The rotatable parts 1106 are rotated so that radiator beta-ray is in above filter paper, and closes the middle chamber of capsule components 1102
The passage at filter paper is reached, that is, closes the through hole 11061 on the rotatable parts 1106, can so carry out convenient two
Individual position switches over work.
According to some embodiments of the present invention, the rotating power source 1104 is motor or rotary cylinder.
The rotating power source 1104 can be motor, and the rotation of motor can more flexibly, but cost is higher；The rotation
Rotatory force source 1104 can also select rotary cylinder, and the flexibility of revolution of rotary cylinder is relatively low, but cost is small, safeguard also more
It is convenient.
According to some embodiments of the present invention, passage and the rotatable parts 1106 in the collection air inlet component 1101
In the insertion and closed when gathering air inlet of the through hole 11061.
According to some embodiments of the present invention, the two ends of collection air inlet component 1101 also have flange.
According to some embodiments of the present invention, the radiator beta-ray switch unit 1100 also includes connection parts 1103, described
Connection parts 1103 are used for the output end and the rotatable parts 1106 for coupling the rotating power source 1104, play protection work(
Energy.
According to some embodiments of the present invention, the connection parts 1103 are torque force limiting device or connector.
Torque force limiting device and connector can protect the rotating power source avoid overload damage, and torque force limiting device for
The protecting effect of motor is more preferable.
According to some embodiments of the present invention, the radiator beta-ray switch unit 1100 also includes to the rotatable parts
1106 positioning elements 1107 positioned.The positioning element 1107 is used for making the rotary part 1106 rotate to determination
Position, can be positioning stud and its part of similar functions.
According to some embodiments of the present invention, the filter paper compressing unit 1200 also includes photomultiplier 1202, described
Photomultiplier 1202 is arranged on the bottom of filter paper compacting part 1201.
According to some embodiments of the present invention, the cam power unit 1300 also includes power source 1301, fixed seat
1302, the fixed seat 1302 is arranged on the pedestal 11, and the power source 1301 is arranged in the fixed seat 1302, institute
State the output end that cam 1303 is arranged on the power source 1301.
According to some embodiments of the present invention, the power source 1301 is DC toothed gearing electric motor.
According to some embodiments of the present invention, the cam power unit 1300 also includes optocoupler 1304.
The optocoupler 1304 can be accurately positioned and signal feedback to whole mechanism.
According to some embodiments of the present invention, the connection parts 1103 are the part of flexible structure.
Connection parts 1103 are flexible, can further reduce the filter paper compressing unit 1200 and the radiator beta-ray
The excessive rigid contact pressure of capsule components 1102 in switch unit 1100, plays the function of protection.
According to some embodiments of the present invention, the contact component 1206 in the filter paper compressing unit 1200 with it is described
Cam 1303 couples for linkage.Such a structure can make the linkage of filter paper compressing unit 1200 return without elastic construction, can
So that structure further simplifies.
According to some embodiments of the present invention, the filter paper compressing unit 1200 includes hold-down support 1203, drive link
1205th, the institute in slide unit 1204, filter paper compacting part 1201 and contact component 1206, the filter paper compressing unit 1200
It is contact connection that contact component 1206, which is stated, with the cam 1303, and the filter paper compressing unit 1200 also includes elastomeric element.
According to some embodiments of the present invention, the elastomeric element is spring, and the spring is arranged on the hold-down support
Between 1203 and the contact component 1206.
The contact connection needs that by elastomeric element just the filter paper compressing unit can reset, and the connection that links, then
Elastomeric element is not needed, belongs to a kind of rigid attachment, the contact connection is slightly more complex relative to linkage draw bail.
According to some embodiments of the present invention, particulate matter quality concentration and elemental composition dual-beam are examined automatically in the gas
Surveying device also includes auxiliary wheel 5, and the auxiliary wheel 5 is arranged on the rear side of the x-ray detection device 4, the filter paper meter
The public tangent plane of friction pulley 311 in counting unit 31 and the auxiliary wheel 5 formation by the radiator beta-ray switch unit 1100 with
The detecting position in gap and the lower section of the X-ray detection unit 4 between the filter paper compressing unit 1200；The filter paper damping
Unit 32 and the filter paper turn paper unit 33 on the pedestal 2 and with the Atmospheric particulates acquisition and analysis device 1 and
The homonymy of x-ray detection device 4, filter paper is arranged on the filter paper damping unit 32, through the filter paper counting unit 31, institute
State under gap and the X-ray detection unit 4 between radiator beta-ray switch unit 1100 and the filter paper compressing unit 1200
Detecting position, the auxiliary wheel 5 of side, turn paper unit 33 by the filter paper and drive to be wrapped in the filter paper and turn on paper unit 33.
According to some embodiments of the present invention, the filter paper counting unit 31 includes shaggy friction pulley 311, rotation
Encoder 313, the friction pulley 311 is arranged on the front of the pedestal 2, and the rotary encoder 313 is arranged on the pedestal 2
Reverse side.
When filter paper is moved, friction pulley 311 is driven（Because rubbing, wheel surface is very coarse, and friction is than larger）,
So as to drive connected rotary encoder 313, filter paper can be made equally spacedly to move.
Preferably, the friction pulley 311 is grinding abrasive disk.
According to some embodiments of the present invention, the filter paper damping unit 32 includes damped part 323, filter paper rotary part
321 and damping fixed seat 322；The damped part 323 is arranged on the reverse side of the pedestal 2 by the damping fixed seat 322,
The filter paper rotary part 321 is coupled and installed in the pedestal by the damping fixed seat 322 with the damped part 323
2 front, filter paper is wrapped on the filter paper rotary part 321.
According to one embodiment of present invention, the damped part 323 includes damping left regulation wheel 3233, damper axis
3232nd, damping spring 3231, the damping left regulation wheel 3233 is arranged on the end of the damper axis 3232, the damping bullet
Spring 3231 is sleeved on the damper axis 3232, and the damping spring 3231 can be substituted for other flexible members
According to one embodiment of present invention, the filter paper rotary part 321 includes damping filter paper rotating shaft 3219, damping filter
Paper baffle plate（Filter paper front apron 3214, filter paper rear baffle 3218）, filter paper is installed in the damping filter paper rotating shaft 3219 and described
Damp filter paper baffle plate（Filter paper front apron 3214, filter paper rear baffle 3218）Between.
According to one embodiment of present invention, the filter paper rotary part 321 also includes damping knob 3211, damping external pressure
Ring 3213, damping O-ring seal 3217, damping filter paper inner ring 3215, the damping knob 3211 are arranged on the damping filter paper
The outer end of rotating shaft 3219, the damping outer press ring 3213 is arranged on the inboard of the damping knob 3211 and is sleeved on the damping
In filter paper rotating shaft 3219, the damping O-ring seal 3217 is enclosed in the damping filter paper rotating shaft 3219 and the damping external pressure
Ring 3213 is contacted, meanwhile, the filter paper rotary part 321 may also include multiple damping pressure rings 3216, two adjacent institutes
State damping pressure ring 3216 between be provided with damping O-ring seal 3217, it is described damping pressure ring 3216 and damping O-ring seal
3217 outer sheaths have the damping filter paper inner ring 3215.
This unit, which is mainly, prevents whole system when shutting down, and filter paper loosens, so as to influence filter paper.When turning damping
During knob 3211, so as to compress damping outer press ring 3213, make the modification of damping O-ring seal 3217, at this moment damp filter paper inner ring
3215 are just tightly stuck in mechanism, otherwise when turning on damping knob 3211, damping filter paper inner ring 3215 is just unclamped, and damps filter paper
Baffle plate prevents filter paper offset direction in rotation, and the pine of damping spring 3231 can be just adjusted when turning damping left regulation wheel 3233
Tightly, so as to the size for the damping for adjusting whole mechanism.
According to one embodiment of present invention, the filter paper, which turns paper unit 33, includes motor 3323, turns paper filter paper rotating shaft
3320th, paper filter paper baffle plate is turned（Turn paper filter paper front apron 3315, turn paper filter paper rear baffle 3319）, the motor 3323 is installed in institute
State the reverse side of pedestal 2, it is described to turn paper filter paper rotating shaft 3320, described turn paper filter paper baffle plate（Turn paper filter paper front apron 3315, turn paper filter
Paper rear baffle 3319）Installed in the front of the pedestal 2, filter paper is arranged on described turn in paper filter paper rotating shaft 3320 and positioned at described
Turn paper filter paper baffle plate（Turn paper filter paper front apron 3315, turn paper filter paper rear baffle 3319）Between.
According to one embodiment of present invention, the filter paper turns paper unit 33 also to include motor mount plate 3321, motor solid
Fixed board 3322, the motor 3324 is arranged in the motor mount plate 3321 is arranged on institute by the motor fixed plate 3322
State on pedestal 2.
According to one embodiment of present invention, the filter paper, which turns paper unit 33, also includes shaft coupling 3323, the motor
3324 are turned paper filter paper rotating shaft 3320 and coupled by the shaft coupling 3323 with described.
According to one embodiment of present invention, the filter paper, which turns paper unit 33, also includes knob 3310, fixation spring tab
3313rd, outer press ring 3314, O-ring seal 3317, pressure ring 3318.
When turning knob 3310, so as to compress outer press ring 3313, make the modification of O-ring seal 3316, at this moment filter paper inner ring
3315 are just tightly stuck in mechanism, otherwise when turning on knob 3310, filter paper inner ring 3315 is just unclamped, and filter paper baffle plate prevents filter paper
The offset direction when rotating, the power provided by motor 3323 drives filter paper rotating shaft 3319 to rotate, so that filter paper can be wound on
In filter paper inner ring 3315.
Although having carried out detailed retouch to the embodiment of the present invention with reference to multiple illustrative examples of the present invention
State, it must be understood that those skilled in the art can be designed that various other improvement and embodiment, these improvement and implementation
Example will fall within spirit and scope.Specifically, in the scope of foregoing disclosure, accompanying drawing and claim
Within, rational variations and modifications can be made in terms of the arrangement that parts and/or sub-combination are laid out, without departing from
The spirit of the present invention.Except the variations and modifications in terms of parts and/or layout, its scope is by appended claims and its is equal
Thing is limited.
Claims (14)
1. particulate matter quality concentration and elemental composition dual-beam automatic detection device in a kind of gas, it is characterised in that including：
Pedestal；
Atmospheric particulates acquisition and analysis device, including substrate, radiator beta-ray switch unit, filter paper compressing unit, cam power list
Member, the radiator beta-ray switch unit, the filter paper compressing unit are installed successively from top to bottom, and installed in the substrate homonymy；
The cam power unit is installed on the substrate, and the cam power unit passes through defeated installed in the cam power unit
The cam for going out shaft end couples with the filter paper compressing unit；The radiator beta-ray switch unit includes capsule components and is arranged on
Cylindrical type and the through hole intersected vertically with axis and own central axis line and the installation β radiation in the capsule components
The installation position rotatable parts in source；The filter paper compressing unit includes hold-down support, drive link, slide unit, filter paper compacting part
And contact component；The hold-down support is fixedly mounted on the side of the pedestal, and the slide unit is propped up through the fixation
The upper and lower surface and its top of seat are provided with the filter paper compacting part and its underpart is provided with the contact component；It is described to pass
Lever one end couples the contact component, and the other end couples the cam power unit；The cam power unit includes cam,
The cam and contact component connection；
Filter paper transmitting device, including filter paper counting unit, filter paper damping unit, filter paper turn paper unit；
X-ray detection device, including X-ray emission unit, X-ray detection unit；
The Atmospheric particulates acquisition and analysis device is arranged on pedestal front by the substrate, and x-ray detection device is adjacent to institute
State Atmospheric particulates acquisition and analysis device to install and installed in the front of pedestal, the filter paper counting unit is arranged on the air
The front side of particulate matter acquisition and analysis device, the filter paper damping unit and the filter paper turn paper unit and are being arranged on the pedestal just
Face, filter paper be arranged on the filter paper damping unit on, through the filter paper counting unit, the radiator beta-ray switch unit with it is described
The detecting position below gap and the X-ray detection unit between filter paper compressing unit, turn paper unit band by the filter paper
It is dynamic to be wrapped in the filter paper and turn on paper unit；
The radiator beta-ray switch unit also includes collection air inlet component, rotating power source, radiator beta-ray.
2. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the capsule components are fixedly mounted on the pedestal side, the collection air inlet component is arranged on the cavity portion
The top of the part and collection air inlet component inner passage is communicated with the chamber in the capsule components, the rotatable parts are installed
In output end in the rotating power source and the chamber positioned at the capsule components, the rotating power source is arranged on the base
The opposite side of plate；The rotatable parts are cylindrical type and the through hole intersected vertically with axis and the rotatable parts axis
And the installation position of the radiator beta-ray is installed.
3. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 2, its
Be characterised by, the through hole in passage and the rotatable parts in the collection air inlet component when gathering air inlet insertion and
It is closed.
4. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 2, its
It is characterised by, the radiator beta-ray switch unit also includes connection parts.
5. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 4, its
It is characterised by, the connection parts are torque force limiting device or connector.
6. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the radiator beta-ray switch unit also includes the positioning element positioned to the rotatable parts.
7. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the filter paper compressing unit also includes photomultiplier, the photomultiplier is arranged on the filter paper compressed part
Part bottom.
8. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the cam power unit also includes power source, fixed seat, and the fixed seat is arranged on the pedestal, described
Power source is arranged in the fixed seat, and the cam is arranged on the output end of the power source.
9. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the cam power unit also includes optocoupler.
10. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 4, its
It is characterised by, the connection parts are the part of flexible structure.
11. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the contact component in the filter paper compressing unit is to couple with the cam.
12. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the filter paper compressing unit includes hold-down support, drive link, slide unit, filter paper compacting part and contact site
The contact component and the cam in part, the filter paper compressing unit are contact connection, and the filter paper compressing unit is also wrapped
Include elastomeric element.
13. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, particulate matter quality concentration and elemental composition dual-beam automatic detection device also include auxiliary wheel in the gas,
The auxiliary wheel is arranged on the rear side of the x-ray detection device, the friction pulley in the filter paper counting unit with it is described auxiliary
The public tangent plane of roller formation is helped to pass through the gap between the radiator beta-ray switch unit and the filter paper compressing unit and described
Detecting position below X-ray detection unit；The filter paper damping unit and the filter paper turn paper unit on the pedestal
And with the Atmospheric particulates acquisition and analysis device and the x-ray detection device homonymy, filter paper installed in the filter paper damp
On unit, through the gap between the filter paper counting unit, the radiator beta-ray switch unit and the filter paper compressing unit and
Detecting position, the auxiliary wheel below the X-ray detection unit, turn the drive of paper unit by the filter paper and are wrapped in the filter
Paper turns on paper unit.
14. particulate matter quality concentration and elemental composition dual-beam automatic detection device in gas according to claim 1, its
It is characterised by, the filter paper counting unit includes shaggy friction pulley, rotary encoder, the friction pulley is arranged on described
The front of pedestal, the rotary encoder is arranged on the reverse side of the pedestal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107271339A (en) * | 2017-06-29 | 2017-10-20 | 苏州浪声科学仪器有限公司 | Fine grained on-line analysis device |
| CN107917862B (en) * | 2017-12-29 | 2020-08-14 | 安徽蓝盾光电子股份有限公司 | Beta ray method particulate matter monitoring devices with automatic early warning function |
| CN108152181A (en) * | 2018-03-20 | 2018-06-12 | 青岛众瑞智能仪器有限公司 | A kind of paper advance mechanism integral movable type double-station particle monitoring device |
| CN108535302A (en) * | 2018-03-26 | 2018-09-14 | 深圳市华唯计量技术开发有限公司 | A kind of air quality detecting device |
| CN109883913A (en) * | 2019-03-04 | 2019-06-14 | 深圳睿境环保科技有限公司 | Improve the filter paper belt driver and method of flue gas particles β ray detection precision |
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