CN205483936U - Filter paper formula particulate matter detection's paper advance mechanism - Google Patents
Filter paper formula particulate matter detection's paper advance mechanism Download PDFInfo
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- CN205483936U CN205483936U CN201620206568.3U CN201620206568U CN205483936U CN 205483936 U CN205483936 U CN 205483936U CN 201620206568 U CN201620206568 U CN 201620206568U CN 205483936 U CN205483936 U CN 205483936U
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- filter paper
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- platen
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Abstract
The utility model provides a filter paper formula particulate matter detection's paper advance mechanism, this filter paper formula particulate matter detection's paper advance mechanism includes: main mounting panel, filter paper locating component, pressure paper determine module, tensioning paper feed subassembly, stock form subassembly, motor drive subassembly and controlling means. The utility model provides a filter paper formula particulate matter detection's paper advance mechanism has simple structure, examines the paper feed accuracy, good reproducibility and stable high advantage.
Description
Technical field
This utility model relates to automobile emission gas analyzer technical field, more particularly, to a kind of filter paper type granule
The paper advance mechanism of analyte detection.
Background technology
The particulate matter that at present vehicular emission tail gas out and coal smoke type enterprise emit is topmost
The source of atmospheric pollution, increasing substantially and the fast development of industry, along with pollutant emission of vehicles number
The rapid rising of amount, national each big city air pollution is serious, causes haze weather to frequently occur, by right
In the detection of tail gas pollution of motor-driven vehicle and air, environment for human survival is protected in the detection of suspended particulate substance, also people
Class Blue Sky becomes the most meaningful.
The paper advance mechanism of existing filter type smokemeter and filter paper type particle monitoring instrument mainly includes motor, by
The power train of this driven by motor, and the paper tray driven by this power train；Coil paper assembly is on the market
Motor and multiple photoelectric sensors realize the control of the paper feed stroke of filter paper, with disconnected paper or the inspection that do not has paper
Surveying, complicated structure, cost is higher, and the cabinet of instrument hot operation to be always maintained at, photoelectricity
Sensor is many, and under long term high temperature, the probability of operational impairment increases, and stability is difficult to ensure card；Visible be necessary right
It improves.
Utility model content
For overcoming above-mentioned technical problem, an aspect of the present utility model proposes a kind of filter paper type granule quality testing
The paper advance mechanism surveyed, including:
Motor-driven assembly, control device, main installing plate and be arranged on main installing plate the same side for
The filter paper positioning component of fixed test filter paper, for sample gas to be detected being carried out the platen detection of smoke intensity detection
Assembly, for tensioning and make tensioning paper feed assembly that filter paper moves and for filter paper being rolled the volume into drum
Paper assembly,
Wherein:
Detection filter paper sequentially passes through filter paper positioning component, platen detection components, tensioning paper feed assembly and coil paper
Assembly；
Motor-driven assembly is connected to drive tensioning paper feed assembly with tensioning paper feed assembly and coil paper assembly respectively
Rotate with coil paper assembly；And
Control device to be connected with platen detection components and motor-driven assembly respectively, be used for controlling platen detection
Assembly and the startup of motor-driven assembly and stopping.
In an embodiment of the present utility model, filter paper positioning component includes:
Filter paper axle, filter paper axle is cylindrical, and cylindrical one end is fixedly installed on main installing plate；
Filter paper pallet, filter paper pallet is arranged on the position of close described one end of filter paper axle, and filter paper pallet with
Filter paper axle is coaxial；With
Filter paper locking plate, filter paper locking plate is arranged on the other end of filter paper axle, and filter paper by captive screw
Locking plate is coaxial with filter paper axle.
In an embodiment of the present utility model, filter paper positioning component also includes photoelectric sensor, photoelectric transfer
Sensor is arranged on main installing plate, and the transmitting terminal of photoelectric sensor detects towards filter paper positioning component with platen
Filter paper between assembly transmits route, it is preferable that photoelectric sensor is reflective photoelectric sensor.
In an embodiment of the present utility model, platen detection components includes:
Rod assembly, rod assembly is made up of pull bar and crossbearer, and one end of pull bar is connected with external driver device
Connect, the other end is connected with crossbearer by hinge；
Top board, is provided with filter paper gland in top board, the upper end of filter paper gland is connected with crossbearer, and filter
The inlet channel being connected with outside sample gas source it is provided with in letterweight lid；
Lower platen, lower platen is arranged on the side away from crossbearer of top board and is rigidly connected with top board, and
Being provided with the outlet passageway being directed at inlet channel in lower platen, the filter paper transmitted from filter paper positioning component can
Move between top board and lower platen；With
Photoelectric probe, in photoelectric probe is arranged on top board and is connected with crossbearer, and photoelectric probe can be to entering
Gas passage carries out Photoelectric Detection with the filter paper of outlet passageway intersection.
In an embodiment of the present utility model, one end of the close lower platen of filter paper gland is provided with flange,
And platen detection components also includes:
Gland guide, gland guide and top board are fixing to be connected, and gland guide has and is parallel to the convex of flange
The transverse plate face appeared, filter paper gland is sleeved in gland guide；With
Gland spring, gland spring is arranged between flange and transverse plate face so that one end of gland spring with
Transverse plate face is connected, the other end is connected with the side towards transverse plate face of flange, and gland spring peace
In compressive state after dress.
In an embodiment of the present utility model, photoelectric probe includes:
Probing shell, probing shell is connected with rod assembly；
Detector installing plate, detector installing plate is connected with probing shell and is arranged in top board, detection
Device installing plate has the plane being parallel to top board with lower platen interface；
Silicon cell, in silicon cell is arranged on detector installing plate and towards filter paper to be detected；
Light source, light source is arranged and towards filter paper to be detected around silicon cell, it is preferable that light source is LED；
With
Background board, is directed in background board is arranged on the surface of lower platen and with detector installing plate,
Wherein, light source is connected with controlling device by wire respectively with silicon cell.
In an embodiment of the present utility model, platen detection components also includes PTC insulation heating bar and temperature
Degree sensor, PTC insulation heating bar and temperature sensor are arranged in lower platen.
In an embodiment of the present utility model, platen detection components includes:
Rod assembly, rod assembly is made up of pull bar and crossbearer, and one end of pull bar is connected with external driver device
Connect, the other end is connected with crossbearer by hinge；
Top board, is provided with filter paper gland in top board, filter paper gland is connected with crossbearer, and filter paper gland
Inside it is provided with the inlet channel being connected with outside sample gas source；
Lower platen, lower platen is arranged on the side away from crossbearer of top board, and is provided with in lower platen and enters
The cavity of gas channel alignment, the filter paper transmitted from filter paper positioning component can move between top board and lower platen
Dynamic；
Radioactive source, radioactive source is arranged in filter paper gland, and radioactive source is towards the boundary of inlet channel Yu cavity
The filter paper at place is arranged；
Detector, detector is arranged in cavity and just filter paper to inlet channel Yu cavity intersection；With
Outlet passageway, outlet passageway is connected with cavity, for being arranged by the sample gas through inlet channel and filter paper
Go out.
In an embodiment of the present utility model, one end of the close lower platen of filter paper gland is provided with flange,
And platen detection components also includes:
Gland guide, gland guide and top board are fixing to be connected, and gland guide has and is parallel to the convex of flange
The transverse plate face appeared, filter paper gland is sleeved in gland guide；With
Gland spring, gland spring is arranged between flange and transverse plate face so that one end of gland spring with
Transverse plate face is connected, the other end is connected with the side towards transverse plate face of flange, and spring installs
In compressive state after Biing.
In an embodiment of the present utility model, platen detection components also includes PTC insulation heating bar and temperature
Degree sensor, PTC insulation heating bar and temperature sensor are arranged in lower platen.
In an embodiment of the present utility model, motor-driven assembly includes:
Motor；
Teeth-missing gear, teeth-missing gear is connected with the outfan of motor；
First gear, the first gear is arranged on same one end of motor, and the first tooth by bearing and teeth-missing gear
Wheel is meshed with teeth-missing gear；
Location is taken turns, and location wheel and teeth-missing gear are arranged on same one end of motor, and location is taken turns and the first gear phase
Teeth-missing gear is symmetrically installed；
Travel switch, travel switch is connected with location wheel, is used for controlling motor out of service；With
Second gear, the second gear is arranged on the wheel of location, and the second gear engages with teeth-missing gear.
In an embodiment of the present utility model, location wheel has V-arrangement opening, and travel switch includes:
Body, body is fixedly mounted on main installing plate by fulcrum；With
Little guide wheel, little guide wheel is connected with body by spring, the circumferential slippage that little guide wheel can be taken turns along location,
And when little guide wheel is tangent with location wheel, spring is in compressive state, travel switch Guan Bi, when little guide wheel is sliding
When moving to the V-arrangement opening of location wheel, travel switch disconnects.
In an embodiment of the present utility model, tensioning paper feed assembly includes:
Walk reel, walk reel and be connected by bearing and the second gear, and it is perpendicular with main installing plate to walk reel；
Fulcrum, one end of fulcrum is vertically mounted on main installing plate by connector；
Torsion spring, torsion spring is connected with fulcrum；
Pillar, pillar be arranged in parallel with fulcrum, and pillar is connected with torsion spring；
Tensioning rubber tire, tensioning rubber tire is arranged on pillar and walks between reel, and tensioning rubber tire is resisted against away reel
Sidewall on；With
Rubber tire carriage assembly, rubber tire carriage assembly by connector respectively with the other end of fulcrum, the two of pillar
Individual end face is connected with two end faces of tensioning rubber tire.
In an embodiment of the present utility model, tensioning paper feed assembly also includes axle support plate assembly, and axle props up
Carrier plate assemblies is vertically set on main installing plate, walks reel and is sleeved in axle support plate assembly, and walks reel
Top is connected by the top of bearing with axle support plate assembly.
In an embodiment of the present utility model, coil paper assembly includes:
Winding shaft, winding shaft is connected through main installing plate and the first gear, and winding shaft has the shaft shoulder；
Coil paper pallet, coil paper pallet is sleeved on winding shaft, and coil paper pallet is pressed on the shaft shoulder；
Coil paper rotating cylinder, coil paper rotating cylinder is sleeved on outside winding shaft, and coil paper rotating cylinder is pressed against on coil paper pallet；
Adjust spring, adjust spring housing and be contained in outside winding shaft, and adjust one end and the coil paper rotating cylinder of spring
Upper end flushes, the other end is resisted against on the inwall of coil paper rotating cylinder；With
Plain cushion, plain cushion can cover the other end adjusting spring, and use two hex screws to be screwed into by plain cushion
Winding shaft.
The paper advance mechanism of the filter paper type particulate matter detection that the utility model proposes have simple in construction, install simple,
Paper feed is accurate, reproducible and stability advantages of higher.
Accompanying drawing explanation
Above and other aspect of the present utility model and feature are by from below in conjunction with the accompanying drawing explanation to embodiment
Clearly appear from, wherein:
Fig. 1 is the master of the paper advance mechanism of the filter paper type particulate matter detection according to one embodiment of this utility model
View, wherein the direction of arrow is page orientation；
Fig. 2 is the schematic diagram of the filter paper positioning component of the paper advance mechanism of filter paper type particulate matter detection in Fig. 1；
Fig. 3 be in Fig. 1 the A-A of front view of the paper advance mechanism of filter paper type particulate matter detection to sectional view；
Fig. 4 is the B direction view of the paper advance mechanism of filter paper type particulate matter testing agency in Fig. 3；With
Fig. 5 is the paper advance mechanism of the filter paper type particulate matter detection according to another embodiment of this utility model
Front view, wherein the direction of arrow is page orientation.
Detailed description of the invention
Describe illustrative, non-limiting example of the present utility model with reference to the accompanying drawings in detail, to according to this
The paper advance mechanism of the filter paper type particulate matter detection of utility model is further described.
Embodiment one
With reference to Fig. 1 and 3 according to walking that the filter paper type particulate matter of one exemplary embodiment of this utility model detects
Mechanism of paper includes: main installing plate 1, filter paper positioning component 2, platen detection components 3, tensioning paper feed assembly 4,
Coil paper assembly 5, motor-driven assembly 6 and control device (not shown), be wherein used for detecting smoke intensity value
Filter paper sequentially pass through filter paper positioning component 2, platen detection components 3, tensioning paper feed assembly 4 and coil paper assembly
5。
Main installing plate 1 is the installation foundation of the paper advance mechanism of this filter paper type particulate matter detection, and above-mentioned filter paper positions
Assembly 2, platen detection components 3, tensioning paper feed assembly 4 and coil paper assembly 5 are arranged on the same of main installing plate 1
Side, motor-driven assembly 6 may be mounted at the opposite side of main installing plate 1.Filter paper positioning component 2 is used for
Fixed test filter-paper-tape, filter-paper-tape is wrapped in filter paper positioning component 2 to facilitate use.Platen detection group
Part 3 is for carrying out smoke intensity detection to sample gas to be detected.In this utility model disclosed embodiment, sample gas is worn
Cross the filter paper in platen detection components 3 and on filter paper, leave smoking patch, then utilizing photoelectric probe 36 to filter paper
On smoking patch detect, thus obtain the smoke intensity value of sample gas.Tensioning paper feed assembly 4 is for tensioning and drives
Filter-paper-tape moves, so that the filter paper of movement keeps formation state in platen detection components, it is ensured that detection
The accuracy of result.Coil paper assembly 5 is for receiving described filter paper as drum, it is simple to deposit.Motor-driven
Assembly 6 is connected with tensioning paper feed assembly 4 and coil paper assembly 5 to drive tensioning paper feed assembly 4 and volume respectively
Paper assembly 5 rotates, thus filter paper carries out tensioning paper feed and rolling work.Control device to examine with platen respectively
Survey assembly 3 to be connected with motor-driven assembly 6, be used for controlling platen detection components 3 and start and quit work
And the startup of motor-driven assembly 6.By described above it is recognised that this filter paper type particulate matter detection walk
Mechanism of paper has linking between the feature of simple in construction, and each assembly closely, makes paper feed accurate.
Further, with reference to Fig. 2, the filter paper positioning component 2 in the paper advance mechanism of this filter paper type particulate matter detection
Including filter paper axle 23, filter paper pallet 22, filter paper locking plate 24 and captive screw 25.
Filter paper axle 23 is cylindrical, and cylindrical one end is fixedly installed on main installing plate 1, can be by filter paper
It is wound on filter paper axle 23, to facilitate use.Filter paper pallet 22 is arranged on close described the one of filter paper axle 23
The position of end, and filter paper pallet 22 is coaxial with filter paper axle 23, plays the filter paper being wound on filter paper axle 23
Spacing effect.Filter paper locking plate 24 is arranged on the other end of filter paper axle 23 by captive screw 25, and
Filter paper locking plate 24 is coaxial with filter paper axle 23, is used for preventing filter paper volume from coming off from filter paper axle 23.Pine does not takes off
Screw 25 presses and is integrally forming on filter paper locking plate 24, tightens captive screw 25 on filter paper axle 23,
Filter paper locking plate 24 is also hung on filter paper axle 23.So, when changing filter paper, captive screw 25 is twisted
Pine is without dropping out filter paper locking plate 24.
Further, above-mentioned filter paper positioning component 2 also includes photoelectric sensor 21, as it is shown in figure 1, photoelectricity
Sensor 21 is arranged on main installing plate, and the transmitting terminal of described photoelectric sensor 21 positions towards filter paper
Filter paper between assembly 2 and platen detection components 3 transmits route.Photoelectric sensor 21 be used for detecting disconnected paper and
, to there is error detection during preventing detection in the situation that filter paper damages.Preferably, photoelectric sensor 21 is
Reflective photoelectric sensor, after i.e. optical signal launched by photoelectric sensor 21, light runs into filter paper and is reflected back,
So photoelectric sensor 21 i.e. can determine whether that disconnected paper does not occur in filter-paper-tape.Reflective photoelectric sensor has installation
It is easy to the advantages such as light path alignment when wiring simplicity, installation.
With continued reference to Fig. 1, the platen detection components 3 in the paper advance mechanism of this filter paper type particulate matter detection includes drawing
Bar assembly, top board 33, lower platen 34 and photoelectric probe 36.
Rod assembly is made up of pull bar 31 and crossbearer 32, one end of pull bar 31 is connected with external driver device,
The other end is connected with crossbearer 32 by hinge.Pull bar 31 can move under the driving of external driver device
And be further driven to crossbearer 32 and move.Filter paper gland 35 it is provided with, filter paper gland 35 upper in top board 33
End be connected with crossbearer 32 so that filter paper gland 35 can under the pulling of rod assembly relative under
Pressing plate 33 opened/closed.The inlet channel 351 being connected with outside sample gas source it is provided with in filter paper gland 35.
Lower platen 34 is arranged on the side away from crossbearer 32 of top board 33 and is rigidly connected with top board 33.Under
Pressing plate 34 is provided with the outlet passageway 315 being directed at inlet channel 351, extends from filter paper positioning component 2
Filter paper to platen detection components can move between top board 33 and lower platen 34, so leading to from air inlet
The sample gas that road 351 enters is discharged after outlet passageway 315, forms smoking patch on filter paper simultaneously, in order to by
Photoelectric probe 36 carries out smoke intensity value detection.In photoelectric probe 36 is arranged on top board 33 and with crossbearer 32 phase
Connecting, photoelectric probe 36 can carry out photoelectricity to the filter paper of inlet channel 351 with outlet passageway 315 intersection
Detection, thus obtain the smoke intensity value of sample gas.
Further, one end of the close lower platen 34 of filter paper gland 35 is provided with flange, and described pressure
Paper detection components 3 also includes gland guide 37 and gland spring 38.Gland guide 37 is fixed with top board 33
Connect, and gland guide 37 has the transverse plate face of the projecting surface being parallel to flange, filter paper gland 35 quilt cover
It is contained in gland guide 37.Gland spring 38 is arranged between described flange and described transverse plate face so that
One end of gland spring 38 is connected with transverse plate face, the side phase towards transverse plate face of the other end and flange
Connect.Gland spring 38 install after in compressive state.Rod assembly is used to be opened by filter paper gland 35
Time, external driver device drive rod assembly to drive filter paper gland 35 to move up；Meanwhile, filter paper gland
35 apply pressure to gland spring 38 so that the deformation of gland spring 38 is bigger；When needs use filter paper pressure
During lid 35 sealing filter paper, removing the driving force of external driver device, the elastic restoring force of gland spring 38 makes
Obtain filter paper gland 35 move down and compress filter paper.
Further, the photoelectric probe 36 in above-mentioned platen detection components 3 includes probing shell 39, detector
Installing plate 310, light source 311, silicon cell 312 and background board 313.Probing shell 39 and rod assembly phase
Connect, so that whole photoelectric probe 36 is connected on crossbearer 32 so that photoelectric probe 36 can be at crossbearer 32
Pulling force effect under open relative to top board 33 and lower platen 34 together with filter paper gland 35.Detector is pacified
Dress plate 310 is connected with probing shell 39 and is arranged in top board 33, and detector installing plate 310 has
It is parallel to the plane of top board 33 and lower platen 34 interface, is used for light source 311 and silicon cell 312 are installed.
In light source 311 is arranged on described detector installing plate 310 and towards filter paper to be detected, it is used for sending detection and uses
Light.Preferably, light source 311 is LED.Silicon cell 312 is arranged on detector installing plate 310
In and towards filter paper to be detected.In background board 313 is arranged on the surface of lower platen 34 and with detector installing plate
310 alignments, the reflectance of background board 313 is close with filter paper, can effectively reduce metal background to measuring low cigarette
The impact of the result of angle value.Light source 311 is connected with controlling device by wire respectively with silicon cell 312,
For providing electric energy for light source 311, and it is delivered to the signal of telecommunication converted by silicon cell 312 control dress
Put, according to this signal of telecommunication, the smoke intensity value of sample gas is calculated by controlling device.The work of this photoelectric probe 36
Process is: after photoelectric probe 36 closes relative to lower platen 34, the light that light source 311 sends is radiated at filter
On paper；A part in light is absorbed by the smoking patch on filter paper, and another part reflects by silicon cell 312
Receiving, this optical signal is converted into the signal of telecommunication and is delivered to this signal of telecommunication control device by silicon cell 312,
Control device and judge smoke intensity value according to the power of the signal of telecommunication.When the smoke intensity value of sample gas is relatively low, a large amount of light
Can penetrate filter paper to be irradiated to smooth background board 313 surface and be reflected back silicon cell 312 again, volume reflection is bigger；
When the smoke intensity value of sample gas is higher, a large amount of light are absorbed by smoking patch, and only small part light irradiates through filter paper
Reflecting feedback light cell again to smooth background board 313 surface, volume reflection is less.
Further, platen detection components 3 also includes PTC insulation heating bar 314 and temperature sensor (figure
Not shown in), PTC insulation heating bar 314 and temperature sensor (not shown) are arranged at lower platen
In 34, for platen detection components 3 is heated, prevent from occurring the condensation of carbon ash because temperature is relatively low.
With reference to Fig. 3, the motor-driven assembly 6 of the paper advance mechanism of this filter paper type particulate matter detection include motor 61,
Teeth-missing gear the 62, first gear 63, location wheel 64, travel switch 65 and the second gear 66.
Teeth-missing gear 62 is connected with the outfan of motor 61, can being rotated by motor 61.Hypodontia
A part of continuous print gear teeth of gear 62 are removed so that the gear engaging with teeth-missing gear 62 and rotating turns
The toothless portion) timesharing moved to teeth-missing gear does not rotates.First gear 63 is by bearing and teeth-missing gear 62
It is arranged on same one end of motor 61, and the first gear 63 is meshed with teeth-missing gear 62 so that the first gear
63 can rotate under the drive of teeth-missing gear 62.Location wheel 64 is arranged on motor 61 with teeth-missing gear 62
Same one end, and location wheel 64 is symmetrically installed relative to teeth-missing gear 62 with the first gear 63.Travel switch
65 are connected with described location wheel 64, are used for controlling described motor 61 out of service.Second gear 66 is installed
On location wheel 64, and the second gear 66 is meshed with teeth-missing gear 62.In specific operation process, the
Two gears 66 are corresponding with the toothless portion) split-phase of teeth-missing gear 62, so when teeth-missing gear 62 rotates, first
Gear 63 along with teeth-missing gear 62 rotate, the second gear 66 keeps static；When teeth-missing gear 62 and second
When the phase trimming of gear 66 turns to the position of the gear teeth, the second gear 66 starts along with teeth-missing gear 62 turns
Dynamic.The time difference that such design forming coil paper assembly 5 rotates with tensioning paper feed assembly 4, concrete operations will
It is described in more detail below.
With reference to Fig. 4, location wheel 64 has V-arrangement opening, and this V-shaped part is for matching with travel switch 65.
Travel switch 65 includes body 651 and little guide wheel 652.Body 651 is fixedly mounted on main installation by fulcrum
On plate, little guide wheel 652 is connected with body 651 by spring, and little guide wheel 652 and described location wheel 64
Circumference tangent.In operating process, when little guide wheel 652 is tangent with location wheel 64, spring is compressed, OK
Cheng Kaiguan is in Guan Bi, and motor 61 keeps rotating；When little guide wheel 652 turn to location wheel 64 V-arrangement open
Time in Kou, travel switch 65 disconnects, and motor 61 quits work, i.e. teeth-missing gear 62 rotates one week rear motor
61 quit work.
With continued reference to Fig. 3, in the paper advance mechanism of this filter paper type particulate matter detection, tensioning paper feed assembly 4 includes walking
Reel 41, fulcrum 42, torsion spring 43, pillar 44, tensioning rubber tire 45 and rubber tire carriage assembly 46.
Walk reel 41 to be connected by bearing and the second gear 66, and it is vertical with main installing plate 1 phase to walk reel 41
Directly.One end of fulcrum 42 is vertically mounted on main installing plate 1 by connector.Torsion spring 43 and fulcrum 42
It is connected.Pillar 44 be arranged in parallel with fulcrum 42, and pillar 44 is connected with torsion spring 43.Tensioning glue
Wheel 45 is arranged on pillar 44 and walks between reel 41, and tensioning rubber tire 45 is resisted against away the sidewall of reel 41
On.Rubber tire carriage assembly 46 by connector respectively with the other end, two end faces of pillar 44 of fulcrum 42
It is connected with two end faces of tensioning rubber tire 45.Under the twisting force of torsion spring 43, tensioning rubber tire 45 is pressed
Tightly walk reel 41；Under frictional force effect, walk reel 41 and rotate thus drive filter paper to move.When needs are changed
Filter paper or during by filter paper tensioning, pull-up rubber tire carriage assembly 46, thus will to be mentioned by tensioning rubber tire 45
Filter paper unclamps.
Further, tensioning paper feed assembly 4 also includes axle support plate assembly 47, and axle support plate assembly 47 is vertical
It is arranged on main installing plate, walks reel 41 and be sleeved in axle support plate assembly 47, and walk reel 41 top
It is connected by the top of bearing with axle support plate assembly 47.
With continued reference to Fig. 3, the coil paper assembly 5 in the paper advance mechanism of this filter paper type particulate matter detection includes winding shaft
51, coil paper pallet 52, coil paper rotating cylinder 53, adjustment spring 54 and plain cushion 55.
Winding shaft 51 is connected through main installing plate and the first gear 63, and winding shaft 51 has the shaft shoulder.Volume
Paper pallet 52 is sleeved on winding shaft 51, and coil paper pallet 52 is pressed on the shaft shoulder.Coil paper rotating cylinder 53 is set with
Outside winding shaft 51, and coil paper rotating cylinder 53 is also pressed against on coil paper pallet 52.Adjust spring 54 to be set with
Outside winding shaft 51, and the one end adjusting spring 54 flushes with the upper end of coil paper rotating cylinder 53, the other end supports
Lean against on the inwall of coil paper rotating cylinder 53.Plain cushion 55 can cover the other end adjusting spring 54, and uses two
Plain cushion is screwed into winding shaft 51 by individual hex screw.Owing to this utility model employing teeth-missing gear 62 to coil paper
Assembly 5 and tensioning paper feed assembly 4 transmit the driving force of motor 65, during so motor 61 starts to rotate, and volume
Paper assembly 5 can rotate prior to tensioning paper feed assembly 4 and stop operating together with tensioning paper feed assembly 4, works as volume
Paper assembly 5 first rotates, and when tensioning paper feed assembly 4 does not rotates, tensioning rubber tire 45 can clamp filter paper, make coil paper
Filter paper volume on assembly 5 is by pullling the most greatly power；Or when the diameter of the filter paper on winding shaft is increasing,
There will be winding shaft to rotate more low-angle and just can harvest and rolled tightly upper end and walk the filter paper that reel discharges, and
Filter paper generation in upper end will necessarily be pullled more greatly power by being rotated further of winding shaft.By setting in coil paper assembly 5
Put adjustment spring, it is possible to achieve winding shaft is relative to the function of other members slip of coil paper assembly 5, the most anti-
Only filter paper is pullled power by excessive and occurred that the phenomenon of disconnected paper can realize the function of coil paper.
Embodiment two
The paper advance mechanism of a kind of filter paper type particulate matter detection is disclosed in the second embodiment of the present utility model,
The paper advance mechanism that the paper advance mechanism filter paper type particulate matter a kind of with embodiment of this filter paper type particulate matter detection detects
Difference be that the structure of platen testing agency is different, other assembly is the most identical, so the most only to reality
The platen detection components 3 executed in example two is described in detail, and other assembly is not repeated.
See Fig. 5, in the second embodiment, the platen detection of the paper advance mechanism of this filter paper type particulate matter detection
Assembly 3 includes rod assembly, top board 38 ', lower platen 37 ', radioactive source 33 ', detector 36 '
With outlet passageway 39 '.
Rod assembly is made up of pull bar 31 ' and crossbearer 32 ', one end of pull bar 31 ' and external driver device phase
Connect, the other end is connected with crossbearer 32 ' by hinge.Filter paper gland 35 ' it is provided with in top board 38 ',
Filter paper gland 35 ' is connected with crossbearer 32 ', and is provided with in filter paper gland 35 ' and outside sample gas source phase
The inlet channel 351 ' of connection.Lower platen 37 ' is arranged on the side away from crossbearer 32 ' of top board 38 ',
And lower platen 37 ' is provided with the cavity being directed at inlet channel 351 ', transmit from filter paper positioning component 2
Filter paper can move between top board 38 ' and lower platen 37 '.Radioactive source 33 ' is arranged on filter paper gland
In 35 ', and radioactive source 33 ' is towards the filter paper through inlet channel 351 ' with cavity to intersection.Detection
In device 36 ' is arranged on cavity and just to the filter paper through inlet channel 351 ' with cavity intersection.Give vent to anger logical
Road 39 ' is connected with cavity, for discharging through the sample gas of inlet channel 351 ' and filter paper.
Further, one end of the close lower platen 37 ' of filter paper gland 35 ' is provided with flange, and platen inspection
Survey assembly 3 and also include gland guide 311 ' and gland spring 34 '.Gland guide 311 ' and top board 38 '
Fix and connect, and gland guide 311 ' has the transverse plate face of the projecting surface being parallel to flange, filter paper gland
35 ' are sleeved in gland guide 311 '.Gland spring 34 ' is arranged between flange and transverse plate face,
The one end making gland spring 34 ' is connected with transverse plate face, the other end and flange towards described transverse plate
The side in face is connected, and described spring install after in compressive state.In operating process, when needs by
When filter paper gland 35 ' is opened, external driver device rod assembly is driven to drive filter paper gland 35 ' to open；
Meanwhile, filter paper gland 35 ' gives 34 ' pressure of gland spring so that the deformation of gland spring 34 ' is bigger；
When needs use filter paper gland 35 ' to seal filter paper, remove the driving force of external driver device, gland spring
The restoring force of 34 ' makes filter paper gland 35 ' move down and compress filter paper.
Further, platen detection components 3 also includes PTC insulation heating bar 310 ' and temperature sensor (figure
Not shown in), PTC insulation heating bar 310 ' and temperature sensor (not shown) are arranged at down pressing
In plate 37 ', for platen detection components 3 is heated, prevent from the solidifying of carbon ash because temperature is relatively low
Knot.
Although be illustrated exemplary embodiments of the present utility model, but it is clear that those skilled in the art can
To understand, can be changed in the case of without departing substantially from spirit of the present utility model and principle, its scope exists
Claims and its equivalent are defined.
Claims (15)
1. a paper advance mechanism for filter paper type particulate matter detection, including:
Motor-driven assembly, control device, main installing plate and be arranged on the same side of described main installing plate
For the filter paper positioning component of fixed test filter paper, for sample gas to be detected being carried out the platen of smoke intensity detection
Detection components, for tensioning and make tensioning paper feed assembly that filter paper moves and for rolling filter paper into drum
Coil paper assembly,
Wherein:
Detection filter paper sequentially passes through described filter paper positioning component, described platen detection components, described tensioning are walked
Paper assembly and described coil paper assembly；
Described motor-driven assembly is connected with described tensioning paper feed assembly and described coil paper assembly to drive respectively
Described tensioning paper feed assembly and described coil paper assembly rotate；And
Described control device is connected with described platen detection components and described motor-driven assembly respectively, is used for
Control described platen detection components and the startup of described motor-driven assembly and stopping.
Paper advance mechanism the most according to claim 1, it is characterised in that described filter paper positioning component includes:
Filter paper axle, described filter paper axle is cylindrical, and one end of described cylinder is fixedly installed on described main installation
On plate；
Filter paper pallet, described filter paper pallet is arranged on the position of close described one end of described filter paper axle, and institute
State filter paper pallet coaxial with described filter paper axle；With
Filter paper locking plate, described filter paper locking plate is arranged on the other end of described filter paper axle by captive screw,
And described filter paper locking plate is coaxial with described filter paper axle.
Paper advance mechanism the most according to claim 1, it is characterised in that described filter paper positioning component includes
Photoelectric sensor, described photoelectric sensor is arranged on described main installing plate, and described photoelectric sensor send out
Penetrate to hold and transmit route towards the filter paper between described filter paper positioning component and described platen detection components, it is preferable that
Described photoelectric sensor is reflective photoelectric sensor.
Paper advance mechanism the most according to claim 1, it is characterised in that described platen detection components includes:
Rod assembly, described rod assembly is made up of pull bar and crossbearer, one end of described pull bar and external drive
Device is connected, the other end is connected with described crossbearer by hinge；
Top board, is provided with filter paper gland, the upper end of described filter paper gland and described crossbearer in described top board
It is connected, and in described filter paper gland, is provided with the inlet channel being connected with outside sample gas source；
Lower platen, described lower platen be arranged on described top board the side away from described crossbearer and with described on
Pressing plate is rigidly connected, and is provided with the outlet passageway being directed at described inlet channel in described lower platen, from institute
The filter paper stating the transmission of filter paper positioning component can move between described top board and described lower platen；With
Photoelectric probe, in described photoelectric probe is arranged on described top board and is connected with described crossbearer, described
Photoelectric probe can carry out Photoelectric Detection to the filter paper of described inlet channel Yu described outlet passageway intersection.
Paper advance mechanism the most according to claim 4, it is characterised in that the close institute of described filter paper gland
The one end stating lower platen is provided with flange, and described platen detection components also includes:
Gland guide, described gland guide is fixing with described top board to be connected, and described gland guide has flat
Row is in the transverse plate face of the projecting surface of described flange, and described filter paper gland is sleeved in described gland guide；
With
Gland spring, described gland spring is arranged between described flange and described transverse plate face so that described
One end of gland spring is connected with described transverse plate face, the other end and described flange towards described transverse plate
The side in face is connected, and described gland spring install after in compressive state.
Paper advance mechanism the most according to claim 4, it is characterised in that described photoelectric probe includes:
Probing shell, described probing shell is connected with described rod assembly；
Detector installing plate, described detector installing plate is connected with described probing shell and is arranged on described
In pressing plate, described detector installing plate has the plane being parallel to described top board with described lower platen interface；
Silicon cell, in described silicon cell is arranged on described detector installing plate and towards filter paper to be detected；
Light source, described light source is arranged and towards filter paper to be detected around described silicon cell, it is preferable that described
Light source is LED；With
Background board, in described background board is arranged on the surface of described lower platen and with described detector installing plate pair
Standard,
Wherein, described light source is connected with described control device by wire respectively with described silicon cell.
Paper advance mechanism the most according to claim 4, it is characterised in that described platen detection components is also wrapped
Including PTC insulation heating bar and temperature sensor, described PTC insulation heating bar and described temperature sensor are all provided with
Put in described lower platen.
Paper advance mechanism the most according to claim 1, it is characterised in that described platen detection components includes:
Rod assembly, described rod assembly is made up of pull bar and crossbearer, one end of described pull bar and external drive
Device is connected, the other end is connected with described crossbearer by hinge；
Top board, is provided with filter paper gland in described top board, described filter paper gland is connected with described crossbearer,
And in described filter paper gland, it is provided with the inlet channel being connected with outside sample gas source；
Lower platen, described lower platen is arranged on the side away from described crossbearer of described top board, and described under
Pressing plate is provided with the cavity being directed at described inlet channel, the filter paper energy transmitted from described filter paper positioning component
Enough move between described top board and described lower platen；
Radioactive source, described radioactive source is arranged in described filter paper gland, and described radioactive source is towards described air inlet
Passage is arranged with the filter paper of the intersection of described cavity；
Detector, hands over described cavity in described detector is arranged on described cavity and just to described inlet channel
Filter paper at boundary；With
Outlet passageway, described outlet passageway is connected with described cavity, for will through described inlet channel with
The sample gas of filter paper is discharged.
Paper advance mechanism the most according to claim 8, it is characterised in that the close institute of described filter paper gland
The one end stating lower platen is provided with flange, and described platen detection components also includes:
Gland guide, described gland guide is fixing with described top board to be connected, and described gland guide has flat
Row is in the transverse plate face of the projecting surface of described flange, and described filter paper gland is sleeved in described gland guide；
With
Gland spring, described gland spring is arranged between described flange and described transverse plate face so that described
One end of gland spring is connected with described transverse plate face, the other end and described flange towards described transverse plate
The side in face is connected, and described spring install after in compressive state.
Paper advance mechanism the most according to claim 8, it is characterised in that described platen detection components is also wrapped
Including PTC insulation heating bar and temperature sensor, described PTC insulation heating bar and described temperature sensor are all provided with
Put in described lower platen.
11. paper advance mechanisms according to claim 1, it is characterised in that described motor-driven assembly includes:
Motor；
Teeth-missing gear, described teeth-missing gear is connected with the outfan of described motor；
First gear, described first gear is arranged on the same of described motor by bearing with described teeth-missing gear
Hold, and described first gear is meshed with described teeth-missing gear；
Location is taken turns, and described location wheel and described teeth-missing gear are arranged on same one end of described motor, and described fixed
Position wheel is symmetrically installed relative to described teeth-missing gear with described first gear；
Travel switch, described travel switch is connected with described location wheel, is used for controlling described motor and stops fortune
OK；With
Second gear, described second gear is arranged on the wheel of described location, and described second gear lacks with described
Gear engages.
12. paper advance mechanisms according to claim 11, it is characterised in that described location wheel has V-arrangement
Opening, described travel switch includes:
Body, described body is fixedly mounted on described main installing plate by fulcrum；With
Little guide wheel, described little guide wheel is connected with described body by spring, and described little guide wheel can be along described
The circumferential slippage of location wheel, and when described little guide wheel is tangent with described location wheel, described spring is in compression
State, described travel switch close, in described little guide wheel slides into the described V-arrangement opening of described location wheel
Time, described travel switch disconnects.
13. paper advance mechanisms according to claim 11, it is characterised in that described tensioning paper feed assembly bag
Include:
Walk reel, described in walk reel and be connected with described second gear by bearing, and described in walk reel and institute
State main installing plate perpendicular；
Fulcrum, one end of described fulcrum is vertically mounted on described main installing plate by connector；
Torsion spring, described torsion spring is connected with described fulcrum；
Pillar, described pillar be arranged in parallel with described fulcrum, and described pillar is connected with described torsion spring；
Tensioning rubber tire, described tensioning rubber tire be arranged on described pillar and described walk between reel, and described tensioning
Rubber tire is walked on the sidewall of reel described in being resisted against；With
Rubber tire carriage assembly, described rubber tire carriage assembly by connector respectively with the other end of described fulcrum,
Two end faces of described pillar are connected with two end faces of described tensioning rubber tire.
14. paper advance mechanisms according to claim 13, it is characterised in that described tensioning paper feed assembly is also
Including axle support plate assembly, described axle support plate assembly is vertically set on described main installing plate, described paper feed
Axle is sleeved in described axle support plate assembly, and described in walk reel top by bearing and described axle support plate
The top of assembly is connected.
15. paper advance mechanisms according to claim 11, it is characterised in that described coil paper assembly includes:
Winding shaft, described winding shaft is connected through described main installing plate with described first gear, and described volume
Reel has the shaft shoulder；
Coil paper pallet, described coil paper pallet is sleeved on described winding shaft, and described coil paper pallet is pressed in described
On the shaft shoulder；
Coil paper rotating cylinder, described coil paper rotating cylinder is sleeved on outside described winding shaft, and described coil paper rotating cylinder is pressed against
On described coil paper pallet；
Adjusting spring, described adjustment spring housing is contained in outside described winding shaft, and one end of described adjustment spring
Flush with the upper end of described coil paper rotating cylinder, the other end is resisted against on the inwall of described coil paper rotating cylinder；With
Plain cushion, described plain cushion can cover the other end of described adjustment spring, and two hex screws of use will
Described plain cushion is screwed into described winding shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206568.3U CN205483936U (en) | 2016-03-17 | 2016-03-17 | Filter paper formula particulate matter detection's paper advance mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206568.3U CN205483936U (en) | 2016-03-17 | 2016-03-17 | Filter paper formula particulate matter detection's paper advance mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN205483936U true CN205483936U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620206568.3U Withdrawn - After Issue CN205483936U (en) | 2016-03-17 | 2016-03-17 | Filter paper formula particulate matter detection's paper advance mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699264A (en) * | 2016-03-17 | 2016-06-22 | 佛山市南华仪器股份有限公司 | Paper advance mechanism for filter paper type particle detecting and filter paper type particle detecting method |
| CN108088709A (en) * | 2018-02-26 | 2018-05-29 | 中勍科技有限公司 | A kind of radiation environment sample detecting machine |
| CN111467903A (en) * | 2020-05-14 | 2020-07-31 | 安徽安诚泽宇环境科技有限公司 | Particulate matter filtering device for gas detection |
| CN112730179A (en) * | 2020-12-23 | 2021-04-30 | 天津智易时代科技发展有限公司 | Portable beta-ray in-situ online monitor and monitoring method |
-
2016
- 2016-03-17 CN CN201620206568.3U patent/CN205483936U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699264A (en) * | 2016-03-17 | 2016-06-22 | 佛山市南华仪器股份有限公司 | Paper advance mechanism for filter paper type particle detecting and filter paper type particle detecting method |
| CN105699264B (en) * | 2016-03-17 | 2019-04-26 | 佛山市南华仪器股份有限公司 | The paper advance mechanism and filter paper type particle detection method of filter paper type particle analyte detection |
| CN108088709A (en) * | 2018-02-26 | 2018-05-29 | 中勍科技有限公司 | A kind of radiation environment sample detecting machine |
| CN111467903A (en) * | 2020-05-14 | 2020-07-31 | 安徽安诚泽宇环境科技有限公司 | Particulate matter filtering device for gas detection |
| CN112730179A (en) * | 2020-12-23 | 2021-04-30 | 天津智易时代科技发展有限公司 | Portable beta-ray in-situ online monitor and monitoring method |
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