CN105258972A - Clamping forceps special for quartz filter membrane of atmosphere PM2.5 particle sampler - Google Patents
Clamping forceps special for quartz filter membrane of atmosphere PM2.5 particle sampler Download PDFInfo
- Publication number
- CN105258972A CN105258972A CN201510774647.4A CN201510774647A CN105258972A CN 105258972 A CN105258972 A CN 105258972A CN 201510774647 A CN201510774647 A CN 201510774647A CN 105258972 A CN105258972 A CN 105258972A
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- China
- Prior art keywords
- forceps
- tweezer
- handle
- arc
- arc plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010453 quartz Substances 0.000 title claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000002245 particle Substances 0.000 title claims abstract description 17
- 239000012528 membrane Substances 0.000 title abstract 6
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 description 7
- 239000000443 aerosol Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a pair of clamping forceps special for a quartz filter membrane of an atmosphere PM2.5 particle sampler. The pair of clamping forceps comprises an upper forceps piece, a lower forceps piece, an upper forceps handle and a lower forceps handle. The rear end of the upper forceps handle is elastically connected with the rear end of the lower forceps handle. The upper forceps piece is installed at the front end of the upper forceps handle. The lower forceps piece is installed at the front end of the lower forceps handle. A clamping gap is formed between the upper forceps piece and the lower forceps piece. The upper forceps piece comprises a first arc-shaped piece and a second arc-shaped piece. One end of the first arc-shaped piece and one end of the second arc-shaped piece are both hinged to the upper forceps handle. The lower forceps piece comprises a third arc-shaped piece and a fourth arc-shaped piece. One end of the third arc-shaped piece and one end of the fourth arc-shaped piece are both hinged to the lower forceps handle. When the quartz filter membrane is clamped by the forceps, the forceps pieces only act on the edge of the quartz filter membrane, samples at the central area of the quartz filter membrane can not be polluted, and the angles of the forceps pieces on the forceps handles can be adjusted so that the forceps can adapt to quartz filter membranes of different sizes.
Description
technical field:
The present invention relates to a kind of special gripping tweezers of air PM2.5 particle sampler quartz filter.
background technology:
China's economic development is in recent years rapid, but environmental problem also highlights day by day, particularly closely bound up with human lives atmosphere polluting problem, haze, gray haze is no longer strange for us, existing experiment shows, haze problem is actual is exactly the Aerosol of different-grain diameter, the gasoloid of different-grain diameter is also different to the infringement of human respiratory system, particle diameter is less, endanger larger, wherein PM2.5 be exactly in surrounding air aerodynamics equivalent diameter be less than or equal to the particle of 2.5 microns, also be nowadays one of people's typical particle diameter distribution carrying out AIR POLLUTION STUDY.Because the aerocolloidal composition of air is not single, great majority are solid-state, liquid a kind of COMPLEX MIXED is formed, single pattern cannot be utilized to sample, general monitoring experiment adopts the andersen sampler being placed with quartz filter, be connected and fixed the aspiration pump of flow, the aerosol particle thing in air required to be filled on quartz filter according to classification and treats further mensuration to retain.
Sampling film is the key component of whole sampling process, must ensure that sampling film is not contaminated, not damaged impact, sampling film regularly need exchange preservation for and stay and put, most monitoring is all in external field environment, relative to indoor environment, the external influence factor in outfield is many, particularly strong wind weather, sampling film can not directly be put with hand-held, tweezers gripping marginal portion must be used, not affect the pm2.5 particle of middle sampling section, common tweezers are generally used in laboratory, easily gravity is subject to when clamping sampling film edge, windage is pullled, the shape of film and the determinand amount of collection are caused damage, small loss may cause the data acquisition out of true of whole film.
Therefore, necessary the deficiency solving prior art is improved to prior art.
summary of the invention:
The present invention is the special gripping tweezers providing a kind of air PM2.5 particle sampler quartz filter in order to solve above-mentioned prior art Problems existing.
The technical solution adopted in the present invention has: a kind of special gripping tweezers of air PM2.5 particle sampler quartz filter, comprise tweezer tablet, lower tweezer tablet, upper tweezer handle and lower tweezer handle, described upper tweezer handle is connected with lower tweezer handle rear end elasticity, tweezer tablet is installed in upper tweezer handle front end, lower tweezer tablet is installed in lower tweezer handle front end, upper tweezer tablet is suitable with lower tweezer tablet shape, and is formed with gripping gap between upper tweezer tablet and lower tweezer tablet;
Described upper tweezer tablet comprises the first arc plate and the second arc plate, and one end of described first arc plate and one end of the second arc plate are hinged on tweezer handle jointly;
Described lower tweezer tablet comprises three-arc sheet and the 4th arc plate, and one end of described three-arc sheet and one end of the 4th arc plate are hinged on lower tweezer handle jointly.
Further, described first arc plate and the second arc plate form semicircle upper tweezer tablet; Three-arc sheet and the 4th arc plate form semicircle lower tweezer tablet.
Further, described first arc plate and the second arc plate are hinged on upper tweezer handle by coupling shaft; Three-arc sheet and the 4th arc plate are hinged on lower tweezer handle by coupling shaft.
Further, described upper tweezer handle and lower tweezer handle are all arranged with Anti-slip cover.
Further, described upper tweezer tablet and lower tweezer tablet inner ring diameter all adopt 8.5cm, and race diameter all adopts 9.5cm.
The present invention has following beneficial effect:
1) tweezers of the present invention are when tweezer quartz filter, and tweezer tablet only acts on the edge of quartz filter, can not pollute the sample contents of quartz filter central area;
2) adjustable angle of tweezer tablet on tweezer handle of tweezers of the present invention, go for the quartz filter of different size, the stress point that tweezer tablet acts on quartz filter edge is many, makes tweezer more reliable;
3) the present invention is easy to use, and manufacture simple, cost is low.
accompanying drawing illustrates:
Fig. 1 is structural drawing of the present invention.
embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Please refer to shown in Fig. 1, the special gripping tweezers of a kind of air of the present invention PM2.5 particle sampler quartz filter, comprise tweezer tablet 1, lower tweezer tablet 2, upper tweezer handle 3, lower tweezer handle 4 and coupling shaft 5, upper tweezer handle 3 is connected with lower tweezer handle 4 rear end elasticity, upper tweezer tablet 1 is installed on the front end of tweezer handle 3, lower tweezer tablet 2 is installed on the front end of lower tweezer handle 4, and is formed with gripping gap 6 between upper tweezer tablet 1 and lower tweezer tablet 2, and upper tweezer tablet 1 is suitable with lower tweezer tablet 2 shape.
Upper tweezer tablet 1 comprises the first arc plate 11 and the right-hand member of the second arc plate 12, first arc plate 11 and the left end of the second arc plate 12 and is hinged on upper tweezer handle 3 respectively by coupling shaft 5.First arc plate 11 and the second arc plate 12 form semicircle upper tweezer tablet 1.
The left end of right-hand member and the 4th arc plate 22 that lower tweezer tablet 2 comprises three-arc sheet 21 and the 4th arc plate 22, the three-arc sheet 21 is hinged on lower tweezer handle 4 respectively by coupling shaft 5.Three-arc sheet 21 and the 4th arc plate 22 form semicircle lower tweezer tablet 2.
The upper and lower tweezer handle 4 of upper tweezer handle 3 in the present invention is all arranged with anti-slip rubber cover.Upper tweezer tablet 1 in the present invention and lower tweezer tablet 2 inner ring diameter all adopt 8.5cm, and race diameter all adopts 9.5cm.
During tweezer quartz filter, quartz filter is placed in the gripping gap 6 between upper tweezer tablet 1 and lower tweezer tablet 2, upper tweezer tablet 1 is looped around around quartz filter with lower tweezer tablet 2, tweezer tablet 1 and lower tweezer tablet 2 in rotation, the first arc plate 11 of tweezer tablet 1 and the three-arc sheet 21 of the second arc plate 12 and lower tweezer tablet 2 and the 4th arc plate 22 is made to be placed in the edge of quartz filter upper and lower end face respectively, to keep to the side edge gripping, tweezer tablet can not be made to contact the collection thing of quartz filter central area.
When the quartz filter of tweezer different size, position on upper tweezer handle 3 of the first arc plate 11 and the second arc plate 12 and three-arc sheet 21 and the 4th arc plate 22 position on lower tweezer handle 4 can be adjusted and carry out the quartz filter of adaptive different size, thus make tweezer tablet 1 and lower tweezer tablet 2 stress point at quartz filter edge become many, be unlikely to make film be subject to pullling of external force and affect tweezer tightness.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. the special gripping tweezers of an air PM2.5 particle sampler quartz filter, it is characterized in that: comprise tweezer tablet (1), lower tweezer tablet (2), upper tweezer handle (3) and lower tweezer handle (4), described upper tweezer handle (3) is connected with lower tweezer handle (4) rear end elasticity, tweezer tablet (1) is installed in upper tweezer handle (3) front end, lower tweezer tablet (2) is installed in lower tweezer handle (4) front end, upper tweezer tablet (1) is suitable with lower tweezer tablet (2) shape, and is formed with gripping gap (6) between upper tweezer tablet (1) and lower tweezer tablet (2);
Described upper tweezer tablet (1) comprises the first arc plate (11) and the second arc plate (12), and one end of described first arc plate (11) and one end of the second arc plate (12) are hinged on tweezer handle (3) jointly;
Described lower tweezer tablet (2) comprises three-arc sheet (21) and the 4th arc plate (22), and one end of described three-arc sheet (21) and one end of the 4th arc plate (22) are hinged on lower tweezer handle (4) jointly.
2. the special gripping tweezers of air PM2.5 particle sampler quartz filter as claimed in claim 1, is characterized in that: described first arc plate (11) and the second arc plate (12) form semicircle upper tweezer tablet; Three-arc sheet (21) and the 4th arc plate (22) form semicircle lower tweezer tablet.
3. the special gripping tweezers of air PM2.5 particle sampler quartz filter as claimed in claim 1, is characterized in that: described first arc plate (11) and the second arc plate (12) are hinged on upper tweezer handle (3) by coupling shaft (5); Three-arc sheet (21) and the 4th arc plate (22) are hinged on lower tweezer handle (4) by coupling shaft.
4. the special gripping tweezers of air PM2.5 particle sampler quartz filter as claimed in claim 1, is characterized in that: described upper tweezer handle (3) and lower tweezer handle (4) are all arranged with Anti-slip cover.
5. the special gripping tweezers of air PM2.5 particle sampler quartz filter as claimed in claim 1, is characterized in that: described upper tweezer tablet (1) and lower tweezer tablet (2) inner ring diameter all adopt 8.5cm, and race diameter all adopts 9.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774647.4A CN105258972B (en) | 2015-11-13 | 2015-11-13 | A kind of special gripping tweezers of air PM2.5 particle sampler quartz filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774647.4A CN105258972B (en) | 2015-11-13 | 2015-11-13 | A kind of special gripping tweezers of air PM2.5 particle sampler quartz filters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105258972A true CN105258972A (en) | 2016-01-20 |
| CN105258972B CN105258972B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510774647.4A Expired - Fee Related CN105258972B (en) | 2015-11-13 | 2015-11-13 | A kind of special gripping tweezers of air PM2.5 particle sampler quartz filters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105258972B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627361A (en) * | 2017-03-26 | 2018-10-09 | 中国环境管理干部学院 | A kind of PM5, PM2.5 sampling head TSP collectors take the manufacture and use method of film device |
| CN109187298A (en) * | 2018-09-25 | 2019-01-11 | 湖南科技大学 | A kind of portable dust filter membrane sampling transfer device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204329U (en) * | 1987-10-29 | 1988-06-15 | 核工业部中南地勘局230研究所 | Microcomputer controlled dust tester |
| US20100096871A1 (en) * | 2008-10-16 | 2010-04-22 | Commissariat A L'energie Atomique | Tweezers with gripping elements mounted swivelling on branches |
| CN201958961U (en) * | 2011-02-25 | 2011-09-07 | 蒿光艳 | Special forceps for surgery |
| CN202592239U (en) * | 2012-05-28 | 2012-12-12 | 上海华力微电子有限公司 | Tweezers special for clamping of carbon film copper net |
| CN204078371U (en) * | 2014-03-27 | 2015-01-07 | 陕西科技大学 | A kind of bubble face folder of Timing |
| CN204314113U (en) * | 2014-12-30 | 2015-05-06 | 青岛恒远科技发展有限公司 | A kind of particle sampling filter membrane clip |
| CN205103047U (en) * | 2015-11-13 | 2016-03-23 | 南京信息工程大学 | Tweezers are got to special clamp of quartzy filter membrane of atmosphere PM2. 5 granule sample thief |
-
2015
- 2015-11-13 CN CN201510774647.4A patent/CN105258972B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204329U (en) * | 1987-10-29 | 1988-06-15 | 核工业部中南地勘局230研究所 | Microcomputer controlled dust tester |
| US20100096871A1 (en) * | 2008-10-16 | 2010-04-22 | Commissariat A L'energie Atomique | Tweezers with gripping elements mounted swivelling on branches |
| CN201958961U (en) * | 2011-02-25 | 2011-09-07 | 蒿光艳 | Special forceps for surgery |
| CN202592239U (en) * | 2012-05-28 | 2012-12-12 | 上海华力微电子有限公司 | Tweezers special for clamping of carbon film copper net |
| CN204078371U (en) * | 2014-03-27 | 2015-01-07 | 陕西科技大学 | A kind of bubble face folder of Timing |
| CN204314113U (en) * | 2014-12-30 | 2015-05-06 | 青岛恒远科技发展有限公司 | A kind of particle sampling filter membrane clip |
| CN205103047U (en) * | 2015-11-13 | 2016-03-23 | 南京信息工程大学 | Tweezers are got to special clamp of quartzy filter membrane of atmosphere PM2. 5 granule sample thief |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627361A (en) * | 2017-03-26 | 2018-10-09 | 中国环境管理干部学院 | A kind of PM5, PM2.5 sampling head TSP collectors take the manufacture and use method of film device |
| CN108627361B (en) * | 2017-03-26 | 2024-03-05 | 河北环境工程学院 | Manufacturing and using method of PM5 and PM2.5 sampling head TSP collector film taking device |
| CN109187298A (en) * | 2018-09-25 | 2019-01-11 | 湖南科技大学 | A kind of portable dust filter membrane sampling transfer device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105258972B (en) | 2018-09-04 |
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Address after: 210044 No. 219 Ningliu Road, Jiangbei New District, Nanjing City, Jiangsu Province Patentee after: Nanjing University of Information Science and Technology Address before: 210044 No. 69 Olympic Sports street, Jianye District, Jiangsu, Nanjing Patentee before: Nanjing University of Information Science and Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 |