EP1487583A1 - Dispositif de refroidissement pour systeme de prelevement d'echantillons - Google Patents
Dispositif de refroidissement pour systeme de prelevement d'echantillonsInfo
- Publication number
- EP1487583A1 EP1487583A1 EP03718700A EP03718700A EP1487583A1 EP 1487583 A1 EP1487583 A1 EP 1487583A1 EP 03718700 A EP03718700 A EP 03718700A EP 03718700 A EP03718700 A EP 03718700A EP 1487583 A1 EP1487583 A1 EP 1487583A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- sample
- unit
- cooling
- transfer medium
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 230000007420 reactivation Effects 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000012267 brine Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 3
- 239000006200 vaporizer Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
- B01L7/02—Water baths; Sand baths; Air baths
Definitions
- the invention relates to a device for cooling a sampler with a container for holding at least one sample bottle / a sample holder, which can be arranged in the sampler, with a cooling unit and an evaporator.
- the applicant offers and sells a high-precision automatic sampler for liquid media under the name 'ASP-Station 2000'. With this sampler, the sampling takes place in proportion to the time, quantity or flow rate according to the vacuum principle.
- the well-known sampler has a stainless steel housing that is divided into two functional rooms: an upper room and a lower room.
- the control, pneumatics and cooling unit are arranged in the upper room; In the sub-room, the samples are dosed with high precision and filled into sample bottles.
- the sample is stored at an adjustable temperature, which is preferably 4 ° C. At the preferred set temperature, a biological change in the samples taken is effectively avoided.
- an evaporator which is placed on the back of the stainless steel housing, cools the air in the interior of the sampler.
- the samples are thus cooled via the bottle wall and the cooled air in the interior of the sampler. It is not very advantageous with this type of cooling that the cooling process proceeds relatively slowly, which is mainly caused by the fact that air is a poor heat conductor.
- the known solution requires always cooling the entire interior.
- the invention is based on the object of proposing an optimized device for cooling a sampler.
- the object is achieved in that the container for receiving the sample bottles or the sample container is in direct or indirect contact with the evaporator of the cooling unit, that the container is at least partially filled with a transfer medium, and that the sample bottles or the Sample containers are placed in the transfer medium when in use.
- the transfer medium is preferably a solid or liquid transfer medium.
- a gel or a solid transfer medium has the advantage over a liquid transfer medium that no transfer medium gets stuck on the sample bottles when it is removed and leads to undesirable contamination in the outside.
- a transfer medium with a high thermal conductivity coefficient is preferably used in connection with the present cooling device according to the invention for a sampler.
- water, a brine, a cooling gel or aluminum is used as the transfer medium.
- the solution according to the invention is therefore characterized in that the samples are cooled rapidly. There is therefore an optimized heat transfer from the samples to the cooled transfer medium, while the cold loss to the environment is kept relatively low.
- the evaporator is arranged on the outer surface of the container for receiving the sample bottles or the sample container; in addition, the container is made of a thermally conductive material. This configuration ensures that an optimized energy transfer and thus rapid cooling / cooling of the samples can take place.
- the container for holding the sample bottles or the sample container is preferably a basket-like holding unit. This can be completely removed from the sampler with the set sample bottles. Of course, the sample bottles can be removed individually from the receiving unit.
- the evaporator is flat; furthermore it is at least in the lower Area and / or arranged in the lateral area of the container for receiving the sample bottles / the sample container or the basket-like receiving unit.
- the cooling unit is a cooling unit.
- the embodiment according to which the cooling unit is an adsorption unit, in particular a zeolite adsorption unit, is considered to be particularly favorable. It goes without saying that other adsorption materials can also be used.
- An adsorption unit that can be used in connection with the present invention is described, for example, in DE 41 38 114 A1. Furthermore, aggregates for a wide variety of applications are offered and sold by Zeo-Tech GmbH.
- a reactivation unit is preferably provided for reactivating the adsorption material, in particular the zeolite of the adsorption unit.
- the reactivation of the zeolite can then be carried out automatically in the sampler.
- An alternative embodiment provides that the reactivation of the adsorption material takes place outside the sampler.
- the reactivation unit is preferably a heating unit.
- a preferred embodiment of the device according to the invention provides a control unit which regulates the transfer medium to a predetermined temperature, for example the target temperature of 4 ° C.
- a predetermined temperature for example the target temperature of 4 ° C.
- Fig. 1 a detail of the device according to the invention in a perspective view
- Fig. 1 shows schematically a section of the device according to the invention in a perspective view; in Fig. 2, the corresponding section of the device according to the invention is shown in cross section.
- the container 2 for the sample bottles 3 is designed as a basket-like receiving unit, which as a whole can be removed from the sampler 1, which can be seen in sections.
- the container 2 is filled with the solid or liquid transfer medium 5.
- the sample bottles 3 are placed in the basket-like receiving unit and thus directly in the transfer medium 5.
- the liquid or solid transfer medium 5 serves as a cold store.
- the evaporator 4 is arranged on the underside and in the side region of the container 2. Since the container 2 is made of a thermally conductive material, at least in the area of the evaporator 4, the transfer medium 5 and the set sample bottles 3 are cooled to a high degree effectively. A cold transfer into the environment is further prevented by the fact that the outer wall of the sampler is insulated.
- the temperature of the transfer medium is determined via a temperature sensor not shown separately in the figures.
- the electronic components - as is also the case with the ASP station 2000 - are arranged in the insulated upper space of the sampler.
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10213039 | 2002-03-22 | ||
| DE10213039 | 2002-03-22 | ||
| PCT/EP2003/002915 WO2003080247A1 (fr) | 2002-03-22 | 2003-03-20 | Dispositif de refroidissement pour systeme de prelevement d'echantillons |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1487583A1 true EP1487583A1 (fr) | 2004-12-22 |
| EP1487583B1 EP1487583B1 (fr) | 2006-02-08 |
Family
ID=27798122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03718700A Expired - Lifetime EP1487583B1 (fr) | 2002-03-22 | 2003-03-20 | Dispositif de refroidissement pour systeme de prelevement d'echantillons |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1487583B1 (fr) |
| AT (1) | ATE317302T1 (fr) |
| AU (1) | AU2003222774A1 (fr) |
| DE (2) | DE10243209A1 (fr) |
| ES (1) | ES2254926T3 (fr) |
| WO (1) | WO2003080247A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941708A (zh) * | 2015-07-08 | 2015-09-30 | 安庆市峰邦工业产品设计有限公司 | 一种实验室的快速降温装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897687A (en) * | 1973-08-03 | 1975-08-05 | Robert H Burberry | Composite sampler |
| DE3149624A1 (de) * | 1981-12-15 | 1983-06-23 | Georg 6050 Offenbach May | Vorrichtung zur regelung der temperatur von stoffen |
| DE3712531C1 (en) * | 1987-04-13 | 1988-05-19 | Kernforschungsanlage Juelich | Apparatus for keeping the temperature of biological samples constant for their cryosubstitution |
| US4950608A (en) * | 1989-04-25 | 1990-08-21 | Scinics Co., Ltd. | Temperature regulating container |
| US5587926A (en) * | 1989-12-22 | 1996-12-24 | American Sigma, Inc. | Refrigerated fluid sampling apparatus and method with variable volume sampling system |
| KR100236506B1 (ko) * | 1990-11-29 | 2000-01-15 | 퍼킨-엘머시터스인스트루먼츠 | 폴리머라제 연쇄 반응 수행 장치 |
| DE4138114A1 (de) * | 1991-11-19 | 1993-05-27 | Zeolith Tech | Kuehlvorrichtung und kuehlverfahren zur kuehlung eines mediums innerhalb eines gefaesses |
| CA2130013C (fr) * | 1993-09-10 | 1999-03-30 | Rolf Moser | Appareil servant a modifier automatiquement la temperature du contenu de differentes eprouvettes |
| DE4440294A1 (de) * | 1994-11-11 | 1996-05-15 | Boehringer Mannheim Gmbh | System zur Inkubation von Probeflüssigkeiten |
| EP0722136A2 (fr) * | 1995-01-12 | 1996-07-17 | Joachim Schulz | Agitateur thermostatisé |
| DE19646115C2 (de) * | 1996-11-08 | 2000-05-25 | Eppendorf Geraetebau Netheler | Verwendung von Temperiereinrichtungen zur Temperierung eines Temperierblockes |
-
2002
- 2002-09-17 DE DE10243209A patent/DE10243209A1/de not_active Withdrawn
-
2003
- 2003-03-20 ES ES03718700T patent/ES2254926T3/es not_active Expired - Lifetime
- 2003-03-20 AU AU2003222774A patent/AU2003222774A1/en not_active Abandoned
- 2003-03-20 WO PCT/EP2003/002915 patent/WO2003080247A1/fr not_active Ceased
- 2003-03-20 EP EP03718700A patent/EP1487583B1/fr not_active Expired - Lifetime
- 2003-03-20 DE DE50302378T patent/DE50302378D1/de not_active Expired - Lifetime
- 2003-03-20 AT AT03718700T patent/ATE317302T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03080247A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003222774A1 (en) | 2003-10-08 |
| DE50302378D1 (de) | 2006-04-20 |
| WO2003080247A1 (fr) | 2003-10-02 |
| ATE317302T1 (de) | 2006-02-15 |
| ES2254926T3 (es) | 2006-06-16 |
| EP1487583B1 (fr) | 2006-02-08 |
| DE10243209A1 (de) | 2003-10-02 |
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