CN102998236B - Filter membrane protective case, weighing device, membrane taking device and weighing device as well as using method - Google Patents
Filter membrane protective case, weighing device, membrane taking device and weighing device as well as using method Download PDFInfo
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- CN102998236B CN102998236B CN201210497084.5A CN201210497084A CN102998236B CN 102998236 B CN102998236 B CN 102998236B CN 201210497084 A CN201210497084 A CN 201210497084A CN 102998236 B CN102998236 B CN 102998236B
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Abstract
The invention discloses a filter membrane protective case, a weighing device, a membrane taking device and a weighing device as well as a using method. The filter membrane protective case comprises a case body and a case cap, wherein the case body comprises a bottom layer at the bottom, and side walls surrounding the peripheral parts of the bottom layer and forming a whole with the bottom layer; through punched holes are formed in the bottom layer, and a filter membrane frame convex upwards is formed at the bottom layer and surrounds the punched holes; the weighing device comprises a weighing base, a weighing bracket for supporting a filter membrane and a support; and the weighing bracket can be inserted into the punched holes and can extend upward from the middle of the support, so that the weighing bracket of the weighing device can be conveniently inserted into the punched holes for weighing the filter membrane, thus the taking and putting times of the filter membrane is reduced. During the weighing process, the contact by people is reduced, the filter membrane is protected effectively, and influences to the filter membrane by the operation by people are reduced, so that the success ratio of the manual detecting method is improved; and when the filter membrane is take and put in necessary, the membrane taking device can be adopted, the contact by people is also reduced, and the filter membrane is protected effectively.
Description
Technical field
the present invention relates to a kind of filter membrane can depositing filter membrane to protect box and protect the matching used weighing apparatus of box and the using method of getting film device, the weighing-appliance protecting box and weighing apparatus to form by filter membrane and this weighing-appliance with filter membrane.
Background technology
particulates thing of the prior art pollutes is not only the main cause causing haze weather, and particularly pellet (PM2.5: be less than or equal to 2.5 micron particles things) can impact the health of human body, mainly damages respiratory system and cardiovascular system.Therefore particulate in air concentration is one of major criterion judging air quality.
at present, the assay method of particulate in air concentration and motor vehicle exhaust emission particle concentration can be divided into manual monitoring method and automatic monitoring method.Manual monitoring method is also called gravimetric method, and what automatic monitoring method was most widely used at present is β attenuation sensors and micro-weighing apparatus method and the light scattering method of vibrating.Although β attenuation sensors and trace vibration weighing apparatus method are putative standard methods, can automatically monitor, simple to operate, be convenient to realize, monitoring method can't replace manual monitoring method completely automatically.For manual detection method, its principle is the most directly with directly perceived, and can reflect the concentration of particle comparatively accurately, be also the Main Basis judging automatic monitoring method accuracy.But the running program of gravimetric method is more loaded down with trivial details, needs human users in process, and wherein of paramount importance link is taking, putting of filter membrane and weighs.The precision of weighing in gravimetric method is the size of sampling amount in 0.1mg and 0.01mg(difference); therefore in whole observation process to filter membrane to deposit and protect be the key guaranteeing data accuracy; now comparatively conventional method deposits filter membrane with double dish or valve bag; but filter membrane also needs long balance before weighing; so need in balance and weighing process repeatedly take, put filter membrane; personnel need repeatedly to contact with filter membrane; can impact filter membrane in this process unavoidably, particularly on the impact being loaded with Particulate filter after sampling.Manual monitoring method misalignment is often because depositing and protecting improper and cause filter membrane.
Summary of the invention
the technical problem to be solved in the present invention is to provide a kind of filter membrane protection box.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of filter membrane protection box, comprise the box body with the receiving space can depositing described filter membrane, cover the lid be located on described box body, described box body comprises the bottom being positioned at bottom, be located in the periphery of described bottom and form an overall sidewall with described bottom, described receiving space is formed between described bottom and described sidewall, described bottom offers the perforation penetrated, and described bottom has the filter membrane frame raising up and formed, described filter membrane frame is located in around described perforation.
in some embodiments, described filter membrane frame is circular.
in some embodiments, the xsect gradual change from bottom to top of described filter membrane frame is gradually narrow.
in some embodiments, the center of described filter membrane frame and the center of described perforation coincide.
in some embodiments, described filter membrane protection box adopts lucifuge material to make.
the another technical matters that the present invention will solve be to provide a kind of filter membrane protection box with the use of weighing apparatus.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of weighing apparatus, described weighing apparatus comprises pedestal of weighing, for supporting the bracket of weighing of described filter membrane, described bracket of weighing is fixed on described weighs on pedestal, described weighing apparatus also comprises the support for supporting described box body bottom, described bracket-suspending is set up in around described weigh pedestal and described bracket of weighing, and described bracket of weighing can insert described perforation and protrude upward from the middle part of described support.
the another technical matters that the present invention will solve be to provide a kind of with described filter membrane protection box with the use of get film device.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: one gets film device, comprise for supporting getting film pedestal, can inserting described perforation for what upwards ejected in described receiving space by described filter membrane and get film frame of described box body bottom, described film frame of getting is fixed on and described get on film pedestal and to be protruded upward by the described middle part of getting film pedestal.
the another technical matters that the present invention will solve is to provide a kind of weighing-appliance.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of weighing-appliance of weighing for filter membrane, comprise weighing apparatus, described weighing apparatus comprises pedestal of weighing, for supporting the bracket of weighing of described filter membrane, described bracket of weighing is fixed on described weighs on pedestal, described weighing-appliance also comprises filter membrane protection box, described filter membrane bag protects box and comprises the box body with the receiving space can depositing described filter membrane, cover the lid be located on described box body, described box body comprises the bottom being positioned at bottom, be located in the periphery of described bottom and form an overall sidewall with described bottom, described receiving space is formed between described bottom and described sidewall, described bottom offers the perforation penetrated, and described bottom has the filter membrane frame raising up and formed, described filter membrane frame is located in around described perforation, described weighing apparatus also comprises the support for supporting described box body bottom, described bracket-suspending is set up in around described weigh pedestal and described bracket of weighing, described bracket of weighing can insert described perforation and protrude upward from the middle part of described support.
in some embodiments, described filter membrane frame is circular.
in some embodiments, the xsect gradual change from bottom to top of described filter membrane frame is gradually narrow.
in some embodiments, the center of described filter membrane frame and the center of described perforation coincide.
the another technical matters that the present invention will solve is to provide a kind of using method of weighing-appliance.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of using method of weighing-appliance, comprises the following steps:
step 1: the filter membrane depositing particle is put into described box body, and the non-deposited face of described filter membrane is contacted with filter membrane frame, cover described lid;
step 2, by be equipped with described filter membrane filter membrane protection box put on described weighing apparatus; described bottom is pressed on described support; perforation described in described bracket of weighing inserts by described filter membrane upwards jack-up; described filter membrane and described filter membrane frame are separated, thus weigh up the quality of filter membrane.
scope of the present invention, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
due to technique scheme use, the present invention compared with prior art has following advantages: filter membrane protection box box body bottom there is perforation, facilitate the bracket of weighing of weighing apparatus directly insert perforation in filter membrane is weighed, thus minimizing filter membrane pick and place number of times.The bracket of weighing of weighing apparatus leads to perforation and directly stretches in receiving space, by filter membrane jack-up, thus weighs up the quality of filter membrane.In weighing process, reduce human contact, effectively protect filter membrane, avoid human users on the impact of filter membrane, thus improve the success ratio of manual detection method.When inevitably picking and placeing filter membrane, can adopt and get film device, reducing human contact equally, effectively protecting filter membrane.
Accompanying drawing explanation
accompanying drawing 1 is the diagrammatic cross-section of filter membrane protection box;
accompanying drawing 2 is the diagrammatic cross-section of weighing-appliance in weighing process;
accompanying drawing 3 is getting the diagrammatic cross-section in membrane process for getting film device;
wherein: 10, box body; 11, bottom; 12, sidewall; 13, receiving space; 14, bore a hole; 15, filter membrane frame; 16, lid; 21, to weigh pedestal; 22, to weigh bracket; 23, support; 31, film pedestal is got; 32, film frame is got.
Embodiment
as shown in Figure 1; a kind of filter membrane protection box; comprise there is the receiving space 13 can depositing filter membrane 1 box body 10, cover the lid 16 that is located on box body 10; box body 10 comprises the bottom 11 being positioned at bottom, the periphery being located in bottom 11 and form an overall sidewall 12 with bottom 11; receiving space 13 is formed between bottom 11 and sidewall 12; bottom 11 offers the perforation 14 penetrated; and bottom 11 has the filter membrane frame 15 raising up and formed, filter membrane frame 15 is located in perforation 14 around.
filter membrane frame 15 is in circular.When can preferably filter membrane be propped up after placement filter membrane 1.
the xsect gradual change from bottom to top of filter membrane frame 15 is gradually narrow.When the non-deposited face of filter membrane 1 is pressed on filter membrane frame 15, the non-deposited face of filter membrane 1 also only has fraction area to contact with box body 10.
the center of filter membrane frame 15 coincides with the center of perforation 14.
filter membrane protection box adopts lucifuge material to make.Thus there is good photophobism, change after part light sensation physical property of particle texture light can be avoided.
before weighing, filter membrane 1 is placed in box body 10, and filter membrane 1 is positioned on following weighing apparatus together with filter membrane protection box.
the size shape of described box body and lid 16 can adjust according to the specification of filter membrane.
as shown in Figure 2; a kind of and above-mentioned filter membrane protect box with the use of weighing apparatus; weighing apparatus comprises pedestal 21 of weighing, for supporting the bracket 22 of weighing of filter membrane 1; bracket 22 of weighing is fixed on weighs on pedestal 21; weighing apparatus also comprises the support 23 for supporting box body 10 bottom 11; support 23 suspension frame is located at and is weighed pedestal 21 and weigh bracket 22 around, and bracket 22 of weighing can insert perforation 14 and protrude upward from the middle part of support 23.
bracket 22 of weighing is placed in weighing apparatus Weighing Area center, and support 23 is mounted on the non-Weighing Area of weighing apparatus, and support 23 can have different fixed forms according to weighing apparatus structure, and described support 23 and bracket 22 of weighing keep concentric.Weigh pedestal 21 and bracket 22 of weighing is comprised during described weighing apparatus zeroing.
above-mentioned filter membrane protection box and weighing apparatus form the weighing-appliance of weighing for filter membrane 1 on complete set ground.
about the using method of above-mentioned weighing-appliance, comprise the following steps:
step 1: the filter membrane 1 depositing particle is put into box body 10, and the non-deposited face of filter membrane 1 is contacted with filter membrane frame 15, cover lid 16, box body 10, lid 16 form confined space with filter membrane;
step 2, put on weighing apparatus by the filter membrane protection box that described filter membrane 1 is housed, bottom 11 is pressed on support 23, and bracket 22 of weighing inserts perforation 14 and by filter membrane 1 upwards jack-up, filter membrane 1 and filter membrane frame 15 is separated, thus weighs up the quality of filter membrane 1.
the filter membrane protection box of filter membrane will be housed as being fixed on the support 23 of the non-Weighing Area of weighing apparatus when weighing, shown support 23 upper surface matches with box body 10 lower surface, is formed spacing, guarantees that filter membrane protection box is placed steadily.Described bracket 22 of weighing has certain altitude, makes filter membrane 1 not protect box contact internal walls with the filter membrane comprising box body 10 and lid 16.So, weighing apparatus directly can foil the quality of filter membrane.
in described weighing process, comprise in the equilibrium process of filter membrane before weighing, filter membrane only need be placed once.Filter membrane takes out after weighing and terminating in filter membrane protection box for convenience, is provided with and gets film frame 32.
as shown in Figure 3; a kind of protect with filter membrane box with the use of get film device; comprising for supporting getting film pedestal 31, perforation 14 can being inserted for what upwards ejected in receiving space 13 by filter membrane 1 and get film frame 32 of box body 10 bottom 11, getting film frame 32 and being fixed on and getting on film pedestal 31 and protruded upward by the middle part of getting film pedestal 31.Get film device when getting film to be placed on straight and even work top, remove the lid 16 above box body 10, get film frame 32 through the perforation 14 being positioned at bottom 11, filter membrane 1 is supported.Described filter membrane 1 is separated with box body 10 through getting after film frame 32 supports, and higher than box body 10, is convenient to take out.
as mentioned above, we are illustrated according to aim of the present invention completely, but the present invention is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present invention.
Claims (12)
1. a filter membrane protection box, comprise the box body (10) with the receiving space (13) can depositing described filter membrane (1), cover the lid (16) be located on described box body (10), described box body (10) comprises the bottom (11) being positioned at bottom, be located in the periphery of described bottom (11) and form an overall sidewall (12) with described bottom (11), described receiving space (13) is formed between described bottom (11) and described sidewall (12), it is characterized in that: described bottom (11) offers the perforation (14) penetrated, and described bottom (11) has the filter membrane frame (15) raising up and formed, described filter membrane frame (15) is located in described perforation (14) around.
2. filter membrane protection box according to claim 1, is characterized in that: described filter membrane frame (15) is in circular.
3. filter membrane protection box according to claim 1, is characterized in that: the xsect gradual change from bottom to top of described filter membrane frame (15) is gradually narrow.
4. filter membrane protection box according to claim 1, is characterized in that: the center of described filter membrane frame (15) and the center of described perforation (14) coincide.
5. filter membrane protection box according to claim 1, is characterized in that: described filter membrane protection box adopts lucifuge material to make.
6. one kind with the filter membrane described in any one in claim 1-5 protect box with the use of weighing apparatus, described weighing apparatus comprises pedestal of weighing (21), for supporting the bracket of weighing (22) of described filter membrane (1), described bracket of weighing (22) is fixed on described pedestal of weighing (21), it is characterized in that: described weighing apparatus also comprises the support (23) for supporting described box body (10) bottom (11), described support (23) suspension frame is located at described pedestal of weighing (21) and described bracket of weighing (22) around, described bracket of weighing (22) can insert described perforation (14) and protrude upward from the middle part of described support (23).
7. one kind with the filter membrane described in any one in claim 1-5 protect box with the use of get film device; it is characterized in that: comprise for supporting getting film pedestal (31), described perforation (14) can being inserted for what upwards ejected in described receiving space (13) by described filter membrane (1) and get film frame (32) of described box body (10) bottom (11), described get film frame (32) to be fixed on described film pedestal (31) of getting upper and protruded upward by the described middle part of getting film pedestal (31).
8. a weighing-appliance of weighing for filter membrane (1), comprise weighing apparatus, described weighing apparatus comprises pedestal of weighing (21), for supporting the bracket of weighing (22) of described filter membrane (1), described bracket of weighing (22) is fixed on described pedestal of weighing (21), it is characterized in that: described weighing-appliance also comprises filter membrane protection box, described filter membrane (1) bag protects box and comprises the box body (10) with the receiving space (13) can depositing described filter membrane (1), cover the lid (16) be located on described box body (10), described box body (10) comprises the bottom (11) being positioned at bottom, be located in the periphery of described bottom (11) and form an overall sidewall (12) with described bottom (11), described receiving space (13) is formed between described bottom (11) and described sidewall (12), described bottom (11) offers the perforation (14) penetrated, and described bottom (11) has the filter membrane frame (15) raising up and formed, described filter membrane frame (15) is located in described perforation (14) around, described weighing apparatus also comprises the support (23) for supporting described box body (10) bottom (11), described support (23) suspension frame is located at described pedestal of weighing (21) and described bracket of weighing (22) around, described bracket of weighing (22) can insert described perforation (14) and protrude upward from the middle part of described support (23).
9. weighing-appliance according to claim 8, is characterized in that: described filter membrane frame (15) is in circular.
10. weighing-appliance according to claim 8, is characterized in that: the xsect gradual change from bottom to top of described filter membrane frame (15) is gradually narrow.
11. weighing-appliances according to claim 8, is characterized in that: the center of described filter membrane frame (15) and the center of described perforation (14) coincide.
The using method of 12. 1 kinds of weighing-appliances according to claim 8, is characterized in that: comprise the following steps:
Step 1: the filter membrane (1) depositing particle is put into described box body (10), and the non-deposited face of described filter membrane (1) is contacted with filter membrane frame (15), cover described lid (16);
Step 2, by be equipped with described filter membrane (1) filter membrane protection box put on described weighing apparatus; described bottom (11) is pressed on described support (23); perforation (14) described in described bracket of weighing (22) inserts by described filter membrane (1) upwards jack-up; described filter membrane (1) and described filter membrane frame (15) are separated, thus weigh up the quality of filter membrane (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210497084.5A CN102998236B (en) | 2012-11-29 | 2012-11-29 | Filter membrane protective case, weighing device, membrane taking device and weighing device as well as using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210497084.5A CN102998236B (en) | 2012-11-29 | 2012-11-29 | Filter membrane protective case, weighing device, membrane taking device and weighing device as well as using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102998236A CN102998236A (en) | 2013-03-27 |
| CN102998236B true CN102998236B (en) | 2015-02-11 |
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| CN201210497084.5A Active CN102998236B (en) | 2012-11-29 | 2012-11-29 | Filter membrane protective case, weighing device, membrane taking device and weighing device as well as using method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616308B (en) * | 2013-11-26 | 2015-09-09 | 江苏苏净集团有限公司 | Particulate filter balance weighing device |
| CN106198332A (en) * | 2016-07-08 | 2016-12-07 | 李建 | A kind of exhaust gas from diesel vehicle discharged particle portable car-mounted test system |
| CN109425565A (en) * | 2017-08-22 | 2019-03-05 | 江苏佳鑫环保工程有限公司 | The detection method of suspended particulate in a kind of atmosphere pollution |
| CN108981889A (en) * | 2018-08-08 | 2018-12-11 | 北京雪迪龙科技股份有限公司 | The production method that a kind of β absorbs dust gauge standard diaphragm |
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| CN2466900Y (en) * | 2001-03-21 | 2001-12-26 | 中国科学院遗传研究所 | Culture container |
| CN2546415Y (en) * | 2002-04-03 | 2003-04-23 | 江升 | Easy-to-cut fresh keeping film holding box |
| CN2680220Y (en) * | 2004-02-18 | 2005-02-23 | 王旭 | Cornea culturing bottle |
| CN202947949U (en) * | 2012-11-29 | 2013-05-22 | 苏州苏净仪器自控设备有限公司 | Filter membrane protective box, weighing machine, membrane taker and weighing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990015660A1 (en) * | 1989-06-13 | 1990-12-27 | Atsunobu Sakamoto | Bag-like filter |
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2012
- 2012-11-29 CN CN201210497084.5A patent/CN102998236B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466900Y (en) * | 2001-03-21 | 2001-12-26 | 中国科学院遗传研究所 | Culture container |
| CN2546415Y (en) * | 2002-04-03 | 2003-04-23 | 江升 | Easy-to-cut fresh keeping film holding box |
| CN2680220Y (en) * | 2004-02-18 | 2005-02-23 | 王旭 | Cornea culturing bottle |
| CN202947949U (en) * | 2012-11-29 | 2013-05-22 | 苏州苏净仪器自控设备有限公司 | Filter membrane protective box, weighing machine, membrane taker and weighing device |
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| CN102998236A (en) | 2013-03-27 |
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