CN203037509U - Atmospheric particle acquisition and measurement device - Google Patents
Atmospheric particle acquisition and measurement device Download PDFInfo
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- CN203037509U CN203037509U CN 201220675915 CN201220675915U CN203037509U CN 203037509 U CN203037509 U CN 203037509U CN 201220675915 CN201220675915 CN 201220675915 CN 201220675915 U CN201220675915 U CN 201220675915U CN 203037509 U CN203037509 U CN 203037509U
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- anchor plate
- plate kit
- measurement mechanism
- airborne particulate
- filter paper
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Abstract
The utility model discloses an atmospheric particle acquisition and measurement device. The atmospheric particle acquisition and measurement device comprises a base, a first pressing plate component, a second pressing plate component, filtering paper, a lifting component, a radioactive source and a detector. Specifically, the first pressing plate component is fixed on the base and is spaced from the base by a preset distance; the first pressing plate component is provided with an air inlet channel; the second pressing plate component is provided with a through hole which is adapted to the second end of the air inlet channel; the second pressing plate component at the first position and the second position is movably arranged between the base and the first pressing plate component; the filtering paper is arranged between the first pressing plate component and the second pressing plate component; the lifting component is used for driving the second pressing plate component to move between the first position and the second position; and the radioactive source and the detector are arranged. According to the utility model, the atmospheric particle acquisition and measurement device has a simple structure, low fault rate and convenient maintenance.
Description
Technical field
The utility model relates to environmental protection pick-up unit design and manufacturing technology field, and particularly a kind of airborne particulate is gathered measurement mechanism.
Background technology
Atmospheric particulates refer to the general name that is dispersed in the solid-state or liquid particles shape material in the atmosphere, and its particle size range is about the 0.1-100 micron.In the prior art, the main monitoring method of air particle has: gravimetric method, β radiation absorption method, vibration sedimentation balance method.Wherein, the automaticity of β radiation absorption method is higher, can carry out continuously accurate the measurement, in the important place of heavy contamination or geographic position, the situation of change that can reflect particulate in air concentration effectively, air quality is assessed and government decision provides accurately, reliable data foundation for environmental administration carries out.So β radiation absorption method is extensively applied in the particle pick-up unit.
But adopt the instrumentation of β radiation absorption method complicated, use inconvenience, and the complex structure of instrument, failure rate is higher, and the filter paper on the instrument can't satisfy the needs that air particle is implemented to monitor through the situation that disconnected paper appears in regular meeting.
The utility model content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or provides a kind of useful commerce to select at least.For this reason, a purpose of the present utility model be to propose a kind of simple in structure, failure rate is low and the airborne particulate being convenient to safeguard is gathered measurement mechanism.
Gather measurement mechanism according to airborne particulate of the present utility model, comprising: base, first Anchor plate kit, second Anchor plate kit, filter paper, lifting assembly, radioactive source and detector.Particularly, described first Anchor plate kit is fixed on the described base and described first Anchor plate kit and described base interval preset distance, and described first Anchor plate kit is provided with inlet channel; Be formed with the through hole suitable with second end of described inlet channel on described second Anchor plate kit, described second Anchor plate kit is located between described base and described first Anchor plate kit movably in primary importance and the second place; Described filter paper is located between described first Anchor plate kit and second Anchor plate kit, be used for to collect the particle of the atmosphere that enters from described inlet channel; It is mobile between primary importance and the second place that described lifting assembly is used for promoting second Anchor plate kit; Radioactive source and detector, described radioactive source and detector are located at the both sides up and down of described filter paper respectively, for detection of the particle on the described filter paper.
Gather measurement mechanism according to airborne particulate of the present utility model, second Anchor plate kit is removable between primary importance and the second place.Thus, when second Anchor plate kit is positioned at primary importance, filter paper is positioned at the outlet side of inlet channel, the inlet end of inlet channel is gathered in the measurement mechanism to this airborne particulate and is fed gas, the gas to be measured that feeds this airborne particulate collection filters through filter paper, particle on the detection filter paper gets final product the measuring process of finishing device, and is simple in structure, and it is convenient to measure.When second Anchor plate kit is in the second place, convenient with changing or mobile filter paper, improved the practicality that this airborne particulate is gathered measurement mechanism, make device more intelligent, avoided that phenomenons such as paperboard appear in filter paper in the conventional art, improve its stability.
In addition, gather measurement mechanism according to the above-mentioned airborne particulate of the utility model, can also have following additional technical characterictic:
Described first Anchor plate kit comprises plate body and is located at seal pad on the lower surface of described plate body.Thus, it is convenient that first Anchor plate kit is shaped, and improved the shaping efficiency of first Anchor plate kit.
In addition, described first Anchor plate kit is provided with first pad and described second Anchor plate kit is provided with second pad that matches with described first pad.Thus, make filter paper be subjected to suitable pressure effect, compress filter paper and avoid the filter paper breakage.
Further, be formed with annular boss on described first pad.Thus, improved the sealing property of second end of air intake passage.
In addition, this airborne particulate collection monitoring device also comprises the draft tube that is communicated with described inlet channel.Thus, making things convenient for this airborne particulate to gather measurement mechanism is connected with external equipment.
Further, the inside surface of described blast pipe flushes with the inside surface of described air intake passage.Thus, joint face is seamlessly transitted, improved the stability of air-flow, avoid particle in airduct or wind inlet channel, to pile up, improved the precision of measuring.
Particularly, described air intake passage is provided with the Plug Division and described blast pipe is plugged in the described Plug Division.Thus, make things convenient for the installation of blast pipe and the internal face of wind inlet channel is flushed with the internal face of blast pipe.
Described lifting assembly comprises the elastic component that described second Anchor plate kit of normal promotion moves to primary importance and is used for promoting depression bar and the rotating shaft that described second pressing plate moves to the second place.
Further, described elastic component is the spring that links to each other with described second Anchor plate kit with described base respectively.Thus, make the simple in structure of lifting assembly, improve the efficiency of assembling of this airborne particulate harvester, and reduce its production cost.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the cut-open view that the airborne particulate of an embodiment of the present utility model is gathered measurement mechanism;
Fig. 1 a is the local enlarged diagram that Fig. 1 centre circle shows A;
Fig. 2 is the synoptic diagram of the plate body of the airborne particulate of an embodiment of the present utility model first Anchor plate kit of gathering measurement mechanism;
Fig. 3 is the synoptic diagram that the airborne particulate of another embodiment of the present utility model is gathered measurement mechanism.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", close the orientation of indications such as " counterclockwise " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand the concrete implication of above-mentioned term in the utility model as the case may be.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature under second feature and tiltedly, or only represent that the first characteristic level height is less than second feature.
Airborne particulate refers to the general name that is dispersed in the solid-state or liquid particles shape material in the atmosphere.In the prior art, the main measuring method of air particle has: gravimetric method, β radiation absorption method, vibration sedimentation balance method.Wherein, the automaticity of β radiation absorption method is higher, and can carry out continuously accurate the measurement, in the important place of heavy contamination or geographic position, the situation of change that can reflect particulate in air concentration effectively is so β radiation absorption method is widely used in the particle pick-up unit.But adopt the instrument of β radiation absorption method complicated, failure rate is higher, and particularly the situation of disconnected paper often appears in the filter paper of instrument.In addition, the complicated operation of instrument is inconvenient to use.The instrument of existing employing β radiation absorption method can't satisfy the needs that air particle is monitored in real time.Some shortcomings for the instrument of the employing β radiation absorption method that overcomes prior art the utility model proposes a kind of airborne particulate simple in structure and that failure rate is low and gather measurement mechanism.
Describe in detail with reference to the accompanying drawings according to the airborne particulate of the utility model embodiment and gather measurement mechanism.
As shown in Figure 1 to Figure 3, gathering measurement mechanism according to the airborne particulate of the utility model embodiment comprises: base 10, first Anchor plate kit 20, second Anchor plate kit 30, filter paper 40, lifting assembly, radioactive source 51 and detector 52.
Particularly, first Anchor plate kit 20 is fixed on the base 10, and first Anchor plate kit 20 and base 10 interval preset distances, and first Anchor plate kit 20 is provided with for gather the inlet channel 201 that feeds gas in measurement mechanism to this airborne particulate.
Be formed with the through hole (not shown) suitable with second end of inlet channel 201 on second Anchor plate kit 30, wherein, second end of inlet channel 201 is the outlet side of inlet channel 201, in other words conj.or perhaps the lower end of inlet channel 201 as shown in Figure 1.Second Anchor plate kit 30 is located between base 10 and first Anchor plate kit 20 movably in primary importance and the second place.
It is mobile between primary importance and the second place that lifting assembly is used for promoting second Anchor plate kit 30.
Airborne particulate according to the utility model embodiment is gathered measurement mechanism, and second Anchor plate kit 30 is removable between primary importance and the second place.Thus, when second Anchor plate kit 30 is positioned at primary importance, filter paper 40 is positioned at the outlet side of inlet channel 201, the inlet end of inlet channel 201 is gathered in the measurement mechanism to this airborne particulate and is fed gas, the gas to be measured that feeds this airborne particulate collection filters through filter paper 40, particle on the detection filter paper 40 gets final product the measuring process of finishing device, and is simple in structure, and it is convenient to measure.When second Anchor plate kit 30 is in the second place, can improve the practicality that this airborne particulate is gathered measurement mechanism with changing filter paper 40, make device more intelligent, avoid that phenomenons such as paperboard appear in filter paper 40 in the conventional art, improve its stability.
In addition, airborne particulate of the present utility model is gathered measurement mechanism and is also included other known element, and for example seal element etc. for can be known in the prior art, will not be elaborated.
As shown in Figure 1, because the upper end of filter paper 40 is provided with detector 52, interfere for avoiding inlet channel 201 and detector 52, inlet channel 201 need be obliquely installed.As depicted in figs. 1 and 2, in an embodiment of the present utility model, first Anchor plate kit 20 comprises plate body 21 and is located at seal pad 22 on the lower surface of plate body 21 that Fig. 2 is the synoptic diagram of plate body 21.In addition, inlet channel comprises and is formed on the inclined hole on the plate body 21 and is formed on mating holes on the seal pad 22 that inclined hole is communicated with mating holes.Wherein, the mating holes on the seal pad 22 is corresponding with the through hole of second Anchor plate kit 30.Thus, be convenient to cooperating of through hole on first Anchor plate kit 20 and second Anchor plate kit 30, and make the inclined hole on the plate body 21 easy to process, improved the forming efficiency of inlet channel 201.
In addition, can carry out finishing to surface corresponding with inclined hole on the seal pad 22, to increase the air guide effect of 22 pairs of air-flows of seal pad, the gas in the access equipment can all be filtered by filter paper 40.
As shown in Figure 1, first Anchor plate kit 20 is provided with first pad 23 and second Anchor plate kit 30 is provided with second pad 31 that matches with first pad 23.First pad 23 and second pad 31 cooperate to compress filter paper 40.Thus, adopt first pad 23 and second pad 31 to compress filter paper 40, make filter paper 40 be subjected to suitable pressure effect, avoid filter paper 40 to damage when making filter paper 40 stable settings.In addition, also simplify the structure of first Anchor plate kit 20 and second Anchor plate kit 30, made things convenient for moulding.
Further, be formed with annular boss 231 on first pad 23.Particularly, as shown in Figure 1, the lower surface of first pad 23 is formed with annular boss 231, when second Anchor plate kit 30 is positioned at primary importance, annular boss 231 on first pad 23 is resisted against the upper surface of second pad 31, and fixing filter paper 40 further improves the stability of filter paper 40.In addition, second pad 31 with annular boss 231 has improved sealing property with cooperating of first pad 23, makes the gas that feeds in this device all uniformly by filter paper 40, has improved the precision of measurement result.
Advantageously, annular boss 231 comprises two, wherein, an annular boss 231 is located at the outer of first pad, 23 lower surfaces, another annular boss 231 is located at the interior edge of the lower surface of first pad 23, thus, the stability of filter paper 40 and the sealing that airborne particulate is gathered measurement mechanism have further been improved.
In addition, in an embodiment of the present utility model, this airborne particulate is gathered monitoring device and is also comprised the draft tube 70 that is communicated with inlet channel 21.So that in this device, feed gas by draft tube 70.Thus, this airborne particulate is gathered measurement mechanism and can be linked to each other with other equipment easily, is convenient to feed in this device the atmosphere of scheduled volume.
Further, the inside surface of draft tube 70 flushes with the inside surface of inlet channel 21.So that the inwall of inlet channel 21 is level and smooth, avoid the inlet channel 201 interior phenomenons that form step and cause step place airborne particulate to pile up of device, improved this measurement device result's degree of accuracy.
Particularly, inlet channel 21 is provided with the Plug Division, namely among Fig. 1, and the step-like Plug Division that inlet channel 21 is connected with draft tube 70, draft tube 70 is plugged in this Plug Division.Thus, level and smooth the linking to each other of inwall of the inwall of draft tube 70 and inlet channel 201 improved the performance that this atmosphere is gathered measurement mechanism.
In addition, if need the inside surface of draft tube 70 and the smooth interior surfaces transition of inlet channel 21 can also adopt other scheme of the prior art, for example, the internal diameter of draft tube 70 is increased gradually along the direction near inlet channel 201, make draft tube 70 and inlet channel 201 level and smooth being connected.
In a specific embodiment of the present utility model, lifting assembly comprises elastic component (not shown) and depression bar 61 and rotating shaft 62.Particularly, described elastic component is normal to be promoted second Anchor plate kit 30 and moves to primary importance, and perhaps particularly, as shown in Figure 3, described elastic component has a thrust that makes progress to second Anchor plate kit 30 all the time, so that second Anchor plate kit 30 compresses filter paper 40.Depression bar 61 and rotating shaft 62 cooperates and is used for promoting second Anchor plate kit 30 and moves to the second place.Particularly, as shown in Figure 1, rotating shaft 62 is located on first Anchor plate kit 20, the middle part of depression bar 61 is pivotable to link to each other with rotating shaft 62, as shown in Figure 3, and when upwards promoting the right-hand member of depression bar 61, depression bar 61 will be centered by rotating shaft 62 along rotating counterclockwise as shown in Figure 3, the left end of depression bar 61 promotes second Anchor plate kit 30 and moves down, and makes second Anchor plate kit 30 unclamp filter paper 40, and is convenient with changing filter paper 40.Wherein, the left end of depression bar 61 is arc, to reduce slip between depression bar 61 and second Anchor plate kit 30 to the damage of depression bar 61 and second Anchor plate kit 30.
Further, described elastic component is the spring that links to each other with described first Anchor plate kit 20 with base 10 respectively.Thus, simplified the structure that this airborne particulate is gathered measurement mechanism, made it convenient for production, improved its efficiency of assembling, reduced cost.
In addition, jacking gear of the present utility model also can adopt other jacking gear of the prior art, and above-described embodiment only is that one of the present utility model is illustrated, and can not be interpreted as the restriction to the utility model protection domain.
As shown in Figure 1, according to embodiment more of the present utility model, radioactive source 51 be located at filter paper 40 under, and detector 52 be located at filter paper 40 directly over, radioactive source 51 and detector 52 are for detection of the airborne particulate on the filter paper 40.Be equipped with film below the top and detector 52 of radioactive source 51, avoid polluting radioactive source 51 and detector 52.Thus, improved the degree of accuracy that this atmosphere is gathered measurement mechanism further.
According to a specific embodiment of the present utility model, adopt the connected mode of draft tube 70 and inlet channel 201 in this device, to feed gas, wherein draft tube 70 is connected with the smooth interior surfaces of inlet channel 201, no step.In addition, the gas of circulation all filters the whole atmosphere that feeds in this device by the level and smooth water conservancy diversion of seal pad 22 in the inlet channel 201 by filter paper 40, and the particle in the atmosphere that feeds in this device all is deposited on the filter paper 40.
The gas passage that this atmosphere is gathered measurement mechanism does not all have the smooth-going connected mode of step, can effectively avoid airborne particulate to be deposited on the step, improves the precision of measuring.The mode that compresses filter paper 40 adopts pad to compress, and seals more effectively, and structure is more reasonable.The detector 52 fixing modes that adopt compression O circle, easy disassembly, simple in structure.The mode that second Anchor plate kit 30 adopts elastic component and depression bar 61 to drive, simple in structure, more reliable performance.This airborne particulate is gathered measurement mechanism and is integrated the Atmospheric particulates collection, measures, and function is concentrated, and simple in structure, failure rate is low, makes measurement result more accurate.
The course of work that airborne particulate of the present utility model is gathered measurement mechanism is simply described with reference to the accompanying drawings.
As shown in Figure 1 to Figure 3, filter paper 40 is installed between first Anchor plate kit 20 and second Anchor plate kit 30, wherein, as shown in Figure 1, filter paper 40 can be strip and the filter paper that can move along left and right directions.
Specifically, when unclamping depression bar 61, second Anchor plate kit 30 compresses filter paper 40 under the effect of elastic component, feeds gas in inlet channel 201, and the passage by first Anchor plate kit 20 after filtering through filter paper 40 flows out.Radioactive source 51 and detector 52 detect the airborne particulate of collecting on the filter paper 40.
After detection is finished, the right-hand member of depression bar 61 is applied thrust upwards, make the left end of depression bar 61 promote second Anchor plate kit 30 to the second place, this moment, second Anchor plate kit 30 unclamped filter paper 40, made filter paper 40 mobile to the left or to the right.
When filter paper 40 moves to the precalculated position, repeat above step.
In the description of this instructions, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-described embodiment under the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.
Claims (9)
1. an airborne particulate is gathered measurement mechanism, it is characterized in that, comprising:
Base;
First Anchor plate kit, described first Anchor plate kit are fixed on the described base and described first Anchor plate kit and described base interval preset distance, and described first Anchor plate kit is provided with inlet channel;
Second Anchor plate kit is formed with the through hole suitable with second end of described inlet channel on described second Anchor plate kit, and described second Anchor plate kit is located between described base and described first Anchor plate kit movably in primary importance and the second place;
Filter paper, described filter paper are located between described first Anchor plate kit and second Anchor plate kit, be used for to collect the particle of the atmosphere that enters from described inlet channel;
Be used for promoting the lifting assembly that second Anchor plate kit moves between primary importance and the second place; And
Radioactive source and detector, described radioactive source and detector are located at the both sides up and down of described filter paper respectively, for detection of the particle on the described filter paper.
2. airborne particulate according to claim 1 is gathered measurement mechanism, it is characterized in that, described first Anchor plate kit comprises plate body and is located at seal pad on the lower surface of described plate body.
3. airborne particulate according to claim 1 is gathered measurement mechanism, it is characterized in that described first Anchor plate kit is provided with first pad and described second Anchor plate kit is provided with second pad that matches with described first pad.
4. airborne particulate according to claim 3 is gathered measurement mechanism, it is characterized in that, is formed with annular boss on described first pad.
5. airborne particulate according to claim 1 is gathered measurement mechanism, it is characterized in that, also comprises the draft tube that is communicated with described inlet channel.
6. airborne particulate according to claim 5 is gathered measurement mechanism, it is characterized in that the inside surface of described blast pipe flushes with the inside surface of described air intake passage.
7. airborne particulate according to claim 6 is gathered measurement mechanism, it is characterized in that described air intake passage is provided with the Plug Division and described blast pipe is plugged in the described Plug Division.
8. airborne particulate according to claim 1 is gathered measurement mechanism, it is characterized in that described lifting assembly comprises the elastic component that described second Anchor plate kit of normal promotion moves to primary importance and is used for promoting depression bar and the rotating shaft that described second pressing plate moves to the second place.
9. airborne particulate according to claim 8 is gathered measurement mechanism, it is characterized in that, described elastic component is the spring that links to each other with described second Anchor plate kit with described base respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675915 CN203037509U (en) | 2012-12-10 | 2012-12-10 | Atmospheric particle acquisition and measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675915 CN203037509U (en) | 2012-12-10 | 2012-12-10 | Atmospheric particle acquisition and measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037509U true CN203037509U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675915 Expired - Fee Related CN203037509U (en) | 2012-12-10 | 2012-12-10 | Atmospheric particle acquisition and measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335869A (en) * | 2012-12-10 | 2013-10-02 | 江苏天瑞仪器股份有限公司 | Atmospheric particle collecting and measuring device |
-
2012
- 2012-12-10 CN CN 201220675915 patent/CN203037509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335869A (en) * | 2012-12-10 | 2013-10-02 | 江苏天瑞仪器股份有限公司 | Atmospheric particle collecting and measuring device |
| CN103335869B (en) * | 2012-12-10 | 2016-03-23 | 江苏天瑞仪器股份有限公司 | Airborne particulate gathers measurement mechanism |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20181210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |