EP2855004A1 - Selbstöffnende vakuumdose - Google Patents
Selbstöffnende vakuumdoseInfo
- Publication number
- EP2855004A1 EP2855004A1 EP13730096.8A EP13730096A EP2855004A1 EP 2855004 A1 EP2855004 A1 EP 2855004A1 EP 13730096 A EP13730096 A EP 13730096A EP 2855004 A1 EP2855004 A1 EP 2855004A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuating device
- cover
- holder
- lid
- expansion body
- 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.)
- Withdrawn
Links
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000000859 sublimation Methods 0.000 claims description 3
- 230000008022 sublimation Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 description 15
- 239000000523 sample Substances 0.000 description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 239000005557 antagonist Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 210000005225 erectile tissue Anatomy 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
Definitions
- Actuating device for displacing a lid relative to a holder
- the invention relates to an actuating device for displacing a lid relative to a holder receiving this displaceable and a vacuum container with this.
- a lid in its most general form separates one volume from another
- an actuator by displacement of the lid against a fixed, for example, arranged on a container or a wall holder opening or closing the opening at least partially before.
- Such actuators are operated manually or by a drive and therefore require access. In environments in which this access is not manually possible or difficult, sometimes complicated measures to operate the lid must be made.
- the object of the invention is the development of an actuating device for displacing a lid relative to a receiving this holder, in which a displacement takes place automatically and without external manipulation. Furthermore, object of the invention to provide a vacuum container with this actuator. The object is solved by the features of claim 1 concerning an actuator and the features of claim 10 relating to a vacuum container.
- the dependent claims relating to these claims relate to advantageous embodiments.
- An actuating device for displacing a cover relative to a holder accommodating the latter displaceably contains a mechanical energy store between lid and holder along a displacement path between the cover and the holder and an expansion body which adjusts the force counteracting the force depending on a thermodynamic state variable in the environment of the actuating device with closed volume.
- the mechanical energy storage and the expansion body causes the lid relative to the holder, for example in the form of a wall or a container in a first environment, for example, ambient air assumes a first position and changing one or more selected state variables by reaction of the expansion body on a second environment, for example, occupies a second position in an examination device.
- the reaction of the expansion body causes the force of the mechanical energy storage counteracting counterforce.
- thermodynamic state variable is preferably an effective on the closed volume of the expansion body intensive size such as temperature and / or pressure.
- the volume of the expansion body and volume work to be done, which forms a counterforce to the mechanical energy storage, which varies depending on the environment.
- the energy storage bias the lid in the closed state against the holder and the expansion body with changing state variable shift the lid against the action of the energy storage in an open position.
- the lid can be displaced by means of the expansion body under tensile stress, if its volume is increased, for example, at decreasing pressure and / or increasing temperature.
- the lid can be displaced against the action of the energy storage in an opening or closing position by means of a compressive stress at magnifying volume.
- the expansion body may for example be designed in the sense of a piston / cylinder unit, wherein the piston in the cylinder due to the change of a thermody- Namischen state variable, axially displaced, for example, with changing pressure or temperature and thus causes the displacement of the lid.
- the piston / cylinder unit is effectively arranged between the cover and the holder.
- the lid about a pivot bearing relative to the support tilting or in a further embodiment with respect to the holder about a rotation axis rotatable öeek-el-be provided, for which purpose the expansion body is tangent to the pivot point hinged to the lid and rotatably connected to the holder.
- the expansion body is designed as an elastic, arranged between the cover and the holder cavernous body, which may be, for example, a balloon or inflatable body and on the one hand to the lid and on the other hand, the holder is attached. Due to a change in shape of the erectile tissue by changing its closed volume at pressure and / or temperature changes its environment brings this Schwell stresses the necessary counterforce to the force of the mechanical energy storage and displaced automatically and without additional actuator or drive elements lid and bracket against each other.
- the closed volume of the expansion body may be filled at least partially with a liquid boiling at a temperature and / or pressure provided for an actuation. If, for example, the pressure in the area of the actuating device is lowered and / or the temperature is raised, a liquid such as water and the like can change from the liquid to the gaseous state and thus increase its volume many times and therefore increase the counterforce-forming effect.
- the mechanical energy store can be formed from a spring device with one or more screw, spiral, membrane, leaf, disc springs and the like.
- the mechanical energy storage of elastic materials for example, as an organic buffer, for example, plastic, rubber or rubber and the like may be formed.
- the mechanical energy storage supports a displacement of the lid relative to the holder in the opening and closing direction relative to a component with the holder, for example a container or a wall in the opposite direction to the force of the expansion body.
- the bearing of the lid relative to the holder can be linear, rotary or pivoting. For example, the lid can be moved in a linear bearing arrangement relative to a component in the sense of a sliding window against an opening.
- the mechanical energy storage and the expansion body are arranged linearly effective as antagonists in the sliding direction of the lid.
- the cover relative to the holder about an axis of rotation in the same plane is rotatable, wherein the cover has a cutout which is arranged in the open state with a section of the support member carrying the cover and the cover in the closed state in the existing component Section covered.
- the mechanical energy storage and the expansion body are arranged in this case tangential to the rotational movement of the lid effectively as antagonists.
- the lid and holder can be connected to each other by means of a pivot bearing rotatable one another as tiltable in the sense of a door or window stop.
- the mechanical energy storage and the expansion body are effectively arranged as antagonists about the axis of rotation. It has proven to be advantageous in this case if the cover has a curvature and a swelling body forming the expansion body is arranged over at least part of the curvature and the rotary bearing is fastened crosswise between the cover and the holder.
- the pivot bearing may be provided elastically biased play related to its axis of rotation and preferably against the axis of rotation.
- a vacuum container is provided which the
- the holder in the form of a bottom plate or a container and the lid thereby close between a sample volume and are sealed in a closed state against each other.
- the lid may be arranged on the front side of a cylindrical container, for example, or on the side of a container, for example on a flat side or cylinder jacket surface.
- the bottom plate may have an area for receiving a sample, over which a curved lid is closed.
- atmosphere-sensitive substances and samples for example with a corresponding composition and / or corresponding surface structure, between two protective environments, for example a preparation site and a measuring chamber of an analytical device for its characterization.
- two protective environments for example a preparation site and a measuring chamber of an analytical device for its characterization.
- such measuring chambers can be designed simply and without further manipulation tools for opening the vacuum container. For example, applying a vacuum that is necessary anyway is sufficient to open the proposed vacuum container by expanding the expansion body, for example, under vacuum, and closing the closing force of the mechanical energy accumulator as a result of the counterforce developing therefrom, thereby opening the vacuum container.
- At least one is preferably in the vacuum container
- Residual vacuum applied which supports the closing action of the mechanical energy storage.
- the pressure in the vacuum container can vary, a protective gas can be flushed in and / or the vacuum container can be opened.
- wire feedthroughs for heating, electrical communication and the like may be provided for monitoring the internal conditions and manipulation of the interior of the vacuum container.
- means for monitoring the pressure and / or the temperature may be provided in the vacuum container, for example in a sample volume.
- a further swelling body can be provided in a particularly simple manner, on the basis of which degree of filling the quality of the vacuum can at least be estimated.
- intended wire feedthroughs can be used to carry out experiments, for example a measurement of solar cells in the case of a translucent lid and the like.
- the actuator and a vacuum container with this are particularly suitable for all applications in which a separation between an indoor environment and atmospheric conditions, regardless of which side is the damaging, is required.
- atmosphere-sensitive substances can be protected from the atmosphere and atmospheric-dependent processes can be protected from vacuum.
- an astronaut helmet or a lock in space can be self-closing depending on an action of vacuum.
- Applications in atmospherically sensitive materials may be advantageously provided, for example, in research, development, and production of battery and accumulator technology (e.g., lithium and its compounds), BioHazard, genetics, medical, nuclear, and the like.
- battery and accumulator technology e.g., lithium and its compounds
- BioHazard e.g., lithium and its compounds
- BioHazard e.g., lithium and its compounds
- the harmful effects of a content of the vacuum chamber e.g., a protection of the external atmosphere may be provided in front of the interior of the vacuum vessel.
- the proposed vacuum containers can be advantageous for example in the development of batteries, organic solar cells, sensor materials, fuel cells, hydrogen storage materials, vaccines, optical components and the like, in which surface-sensitive layers and contaminated materials are produced in glove boxes (glovebox) with exclusion of air and water. as long as they are not sealed with a metal electrode, a capping layer, a case, or the like.
- the morphology of their surfaces has a significant influence on the efficiency and is therefore examined before the sealing by scanning electron microscopy (SEM).
- SEM scanning electron microscopy
- the lid is transparent and vacuum-proof made of glass or plastic and the container or the bottom plate made of metal.
- materials used in particular for use for biological materials can be designed for a resistance at temperatures greater than 120 ° C.
- the expansion body may also be made of correspondingly resistant material or as well as for replacement in case of damage or prevention of damage in an autoclave by a self-adjusting in the closed volume pressure in a simple manner removable as can be provided aushssenbar to the vacuum vessel.
- Autoclaving with the vacuum container open can be achieved, in particular, if a liquid is used in the expansion body which under autoclaving conditions builds up a greater pressure in the expansion body, for example by having a lower boiling point than the water normally used during hot steam sterilization.
- the vacuum container is kept open and closes automatically after cooling, so that the sample chamber of the vacuum container and its environment are germ-free.
- an exchangeability of the expansion body may be advantageous to
- the opening time to various external pressures and / or committeeentempe- to adapt to For this purpose, to set a shift criterion of the lid with respect to the holder of the actuating device and the vacuum container with this one or more liquids can be provided with different boiling point in the closed volume of the expansion body.
- an opening of the lid, depending on the boiling point of the expansion body filling can be set to different ambient pressures, which is achieved for example at low pressures (high-quality vacuum) with the addition of water, medium pressures with the addition of ethanol and higher pressures with the addition of dichloromethane.
- a lid displaced by means of an expansion body filled with water is essentially displaced only at temperatures greater than 100 °, while with the use of dichloromethane a shift already takes place by temperatures around 40 °. It is understood that further solids and / or liquids are included with corresponding to the desired displacement of the lid adapted sublimation or boiling points of the invention.
- the choice of expansion body filling also affects the closing time before reaching the atmospheric pressure and thus also the residual vacuum that remains in the can. It is understood that a suitable shielding gas is used to protect the sample during flooding of a vacuum chamber, for example, surrounding the measuring chamber.
- the lid can be displaced without substantially changing the pressure by means of a change in the thermostated temperature, for example.
- a predetermined displacement temperature such as opening temperature can be set. For example, opens a container filled with dichloromethane expansion body at about 40 ° C under inert gas at atmospheric pressure. Under heat extraction, such a trained container closes automatically.
- a container which opens when cooled or overpressure. If, for example, a solid having a predetermined sublimation point, for example carbon dioxide, is used as the filling in the expansion body, this keeps the enclosed volume under normal conditions, so that counterpressure counteracting the force of the mechanical energy store closes the lid in a closed position. holds this position. Upon cooling or overpressure, the trapped volume decreases and the mechanical energy storage device gains excess weight and opens the container.
- a solid having a predetermined sublimation point for example carbon dioxide
- the invention encompasses any form of displacement of the lid relative to the holder.
- the cover may have a latching function or brake to prevent inadvertent closing of a vacuum container when the external vacuum collapses.
- a corresponding lock can be provided mechanically and be activated or deactivated by means of a conscious modulation of the controlling state variable - pressure and / or temperature.
- the lid could open and activate a latching function, which is deactivated again after a brief increase in pressure, and only after renewed evacuation followed by an increase in pressure, the lid can be fully closed again, such as when opening upwards Cupboard doors is provided, which can only fully close again when they are raised again.
- the vacuum container may be provided means for monitoring and examination of the interior.
- the pressure, the temperature and / or the internal atmosphere for example the residual moisture, the residual oxygen content, for example by means of a slightly oxidizing sample of an alkali or alkaline earth metal, and the like detected and directly through a display or the like inside the vacuum vessel displayed and / or transmitted to the outside for further signal processing.
- FIG. 1 shows a 3D view of a vacuum container with an actuating device in the closed state
- Figure 2 is a 3D view of the vacuum container of Figure 1 in the open state.
- FIG. 1 shows a 3D view of the vacuum container 1 with the actuating device 2 in the closed state.
- the arched - shown here transparent - cover 3 is on one side of the holder 4, which also forms the bottom plate 5, taken to the axis of rotation d displaced.
- the lid 3 is added to the bearing 10 in the radial direction of the axis of rotation d play.
- a vacuum can be applied in the sample space 8 or an existing vacuum can be reinforced.
- a non-visible pressure valve can be provided.
- the expansion body 11 is arranged effectively.
- this is arranged as Schwellianu 12, the bulge 13 of the lid 3 across at a first end 14 with the bearing 10 opposite the receptacle 15 and by means of a second end 16 with the holder 4 attached to the receptacle 17, the bearing 10th firmly connected across, for example, is mounted.
- the cavernous body 12 contains a closed volume 18 which is filled with a gas or at least partially with a liquid.
- the closed volume 18 of the swelling body 12 changes, so that its length is shortened and exerts a counterforce to the force exerted by the mechanical energy store 6, which lifts off due to the set lever kinematics of the lid 3 leads from the bottom plate 5.
- the counterforce is greater than the force at a predetermined pressure such as negative pressure or vacuum and / or at a predetermined temperature, in particular when a liquid present in the closed volume 18 exceeds the boiling point.
- Figure 2 shows the vacuum container 1 in the open state with lifted from the holder 4 with the bottom part cover 3 and expansion body 11 with increased volume 18 and thus shortened ends 14, 16.
- the bearing 10 and the holder 4 has a stop, not shown for limiting the Displacement angle of the lid 3.
- the receiving surface 19 for a sample has, for example, the recess 20 for receiving a sample holder.
- the ring seal 9 and the planar sealing surface 21 form the sealing device in the closed state of the vacuum container 1.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210104636 DE102012104636B3 (de) | 2012-05-30 | 2012-05-30 | Betätigungsvorrichtung zur Verlagerung eines Deckels gegenüber einer Halterung und Vakuumbehälter mit dieser |
| PCT/DE2013/100173 WO2013178218A1 (de) | 2012-05-30 | 2013-05-10 | Selbstöffnende vakuumdose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2855004A1 true EP2855004A1 (de) | 2015-04-08 |
Family
ID=48465019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13730096.8A Withdrawn EP2855004A1 (de) | 2012-05-30 | 2013-05-10 | Selbstöffnende vakuumdose |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2855004A1 (de) |
| DE (1) | DE102012104636B3 (de) |
| WO (1) | WO2013178218A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018017534A1 (en) * | 2016-07-18 | 2018-01-25 | Massachusetts Institute Of Technology | Self-sealing container for protecting air sensitive samples |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100512740B1 (ko) * | 2003-06-19 | 2005-09-07 | 삼성전자주식회사 | 반응장치 |
| US7802694B2 (en) * | 2004-09-21 | 2010-09-28 | Alliance Technology Group, Inc. | Pressure vessel door seal mechanism |
| US20060071088A1 (en) * | 2004-10-05 | 2006-04-06 | Paul Adams | Fuel cartridge with an environmentally sensitive valve |
| DE102008062080A1 (de) | 2008-12-12 | 2010-06-17 | Karlsruher Institut für Technologie | Vorrichtung zum Transport atmosphärenempfindlicher Proben und Verwendung derselben |
-
2012
- 2012-05-30 DE DE201210104636 patent/DE102012104636B3/de active Active
-
2013
- 2013-05-10 EP EP13730096.8A patent/EP2855004A1/de not_active Withdrawn
- 2013-05-10 WO PCT/DE2013/100173 patent/WO2013178218A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013178218A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012104636B3 (de) | 2013-06-13 |
| WO2013178218A1 (de) | 2013-12-05 |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: MAREK, PETER Inventor name: SCHERER, TORSTEN |
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| 18D | Application deemed to be withdrawn |
Effective date: 20161026 |