CN102375072B - Controllable-temperature passive sample conveying tank - Google Patents
Controllable-temperature passive sample conveying tank Download PDFInfo
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- CN102375072B CN102375072B CN2011102749800A CN201110274980A CN102375072B CN 102375072 B CN102375072 B CN 102375072B CN 2011102749800 A CN2011102749800 A CN 2011102749800A CN 201110274980 A CN201110274980 A CN 201110274980A CN 102375072 B CN102375072 B CN 102375072B
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- temperature
- low
- hole
- temperature receiver
- regulating device
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
- A01N1/0236—Mechanical aspects
- A01N1/0263—Non-refrigerated containers specially adapted for transporting or storing living parts whilst preserving, e.g. cool boxes, blood bags or "straws" for cryopreservation
- A01N1/0273—Transport containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2205/00—Venting means
- B65D2205/02—Venting holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Dentistry (AREA)
- Hematology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a controllable-temperature passive sample conveying tank, which comprises a tank body, a cold source room, a sample room, a temperature control device and an air outlet hole, wherein a cold source groove is formed between the cold source room and the sample room; the sample room is provided with a sample container and a fixing frame; a cold source for refrigerating in a sublimation way is arranged in the cold source room; the cold source groove comprises at least one first through hole which is communicated with the cold source room and the sample room; the temperature control device comprises an air changing air door plate and an adjusting device; the air changing air door plate is used for adjusting the opening area of the first through hole of the cold source groove through the adjusting device; and the air outlet hole is used for communicating the outside and inside of the tank body. By adopting the controllable-temperature passive sample conveying tank, automatic control over the temperature in the tank body is realized, samples are transported under specified conditions, and the completeness and stability of the original characteristics of the samples are ensured.
Description
Technical field
The present invention relates to a kind of passive sample tote box.More specifically, the present invention relates to a kind of passive sample tote box of temperature controllable.
Background technology
Sample is the main body that testing is carried out in the laboratory, and every quality assurance measures such as people, machine, material, method, ring also all are based on the prerequisite that sample is well controlled.The transportation preservation process of sample is the primary link of whole sample circulation process before sending to the laboratory, in order to guarantee the reliable, accurate of experimental data, at first should guarantee the effective and complete of sample primary characteristic.In order to reduce the variation of submitted sample primary characteristic, just must guarantee that sample to be checked sends to the laboratory in suitable temperature conditions and official hour.When particularly at room temperature unsettled sample maybe need carry out the relatively more responsive test item of the transportation storage process temperature and time of sample, check as microorganism and part physical and chemical index all requires sample to transport under 2～8 ℃ condition of storage, sends to the laboratory in 4 hours.Then in real work, influenced by various factors, often occur condition that sample can not be in accordance with regulations and the problem of time censorship easily.
The passive sample means of transport in current experiments chamber mainly contains plastic box, foam plastic reservoir, portable refrigeration (freezing) case etc., realizes the cold chain transportation of sample as low-temperature receiver by place cool accumulating block or dry ice in case.Existing means of transport does not have temperature detection device and automatic temperature-control function, can not realize passive automatic temperature-adjusting adjusting when the temperature inside the box is higher or lower than the preference temperature scope, therefore can't guarantee that the primary characteristic of sample is not affected.
As seen, use suitable means of transport, guarantee that traffic condition meets the characteristic needs of sample, stable with the complete sum of guaranteeing the sample primary characteristic, to guaranteeing the accurately significant of testing result.
Summary of the invention
The object of the invention is to provide a kind of passive constant temperature sample tote box of temperature controllable, guarantees that sample to be checked transports all the time in the process of transporting, thereby keep the primary characteristic of submitted sample under the temperature conditions of regulation, guarantees the quality of sample.
The present invention includes casing, low-temperature receiver chamber and sample chamber, the upper strata is the low-temperature receiver chamber, and lower floor is the sample chamber.Have the low-temperature receiver groove between low-temperature receiver chamber and the sample chamber, described sample chamber has sampling receptacle and fixed mount, and the low-temperature receiver that freezes in the distillation mode is placed in described low-temperature receiver chamber;
The low-temperature receiver that freezes in the distillation mode is placed in described low-temperature receiver chamber, makes to realize remaining malleation in the casing, guarantees that cold air constantly sprays to the sample chamber by first through hole.
Described low-temperature receiver groove comprises that at least one is communicated with first through hole of low-temperature receiver chamber and sample chamber;
Described tote box also comprises temperature regulating device, and this temperature regulating device comprises ventilation air door plate and regulating device, and described ventilation air door plate is regulated the open area of first through hole of low-temperature receiver groove by described regulating device;
Described tote box also comprises the inside and outside venthole of connection casing.
Further, the bottom of described low-temperature receiver groove also comprises slide rail and regulating device holder;
Described ventilation air door plate embeds described slide rail, and is connected with described regulating device holder by described regulating device;
Described ventilation air door plate also comprises second through hole corresponding with first through hole of described low-temperature receiver groove.
Can realize like this taking a breath cooperation of air door plate and regulating device, and the aperture of first through hole regulated and control.
Further, described regulating device comprises temperature sensitive of arc thermometal, and the two ends that this arc thermometal is temperature sensitive are connected with ventilation air door plate, regulating device holder respectively.
Like this, be out of shape the chord change of formation by temperature sensitive temperature influence of arc thermometal, drive the slip of ventilation air door plate.
Further, described regulating device also comprises micromatic setting, and this micromatic setting comprises to be regulated bolt and be positioned at the adjusting bolt seat that the low-temperature receiver trench bottom has through hole; Described regulating device holder is the slide block with threaded hole and hinge hole; The two ends that described arc thermometal is temperature sensitive respectively with the hinge hole pin joint of described ventilation air door plate, described slide block;
Described adjusting bolt passes the through hole of adjusting bolt seat and the threaded hole of slide block, is threaded with slide block.
By increasing micromatic setting, the range of adjustment of temperature sensitive of arc thermometal is adjusted, improve the adaptability that tote box transports temperature conditions to different sample differences.
Further, described venthole comprises first venthole, and this first venthole is communicated with outside low-temperature receiver chamber and the casing;
Described venthole also comprises second venthole, and this second venthole is communicated with outside sample chamber and the casing.
Increase venthole respectively in low-temperature receiver chamber, sample chamber, its objective is to guarantee that the low-temperature receiver chamber pressure is unlikely too high, and make cold air in the sample chamber, form percolation.
Further, the flow area of described first venthole be not more than the low-temperature receiver groove first through hole total flow area 1/5th.
Can realize being always in the casing barotropic state like this, stop the outer gas of case to enter in the case.
Further, the flow area of described second venthole be described first through hole (41) flow area 1/3rd to 1/2nd between.
Because the effect of pressure, the cold air of distillation can flow from the low-temperature receiver chamber to the sample chamber, thus the flow area of second venthole in the sample chamber than the flow area of first venthole bigger with the meaningless loss of minimizing cold air.
Further, described casing comprises outer wall and inwall, is heat-insulation layer between described outer wall and the described inwall.
Because the heat-blocking action of heat-insulation layer can reduce excessive demand and consumption to the low-temperature receiver amount.
Further, described fixed mount is the screen work with hollow structure.
Can keep the circulation of cold air between the sample of sample chamber like this.
By technical scheme of the present invention, realized the beneficial effect of auto-control the temperature inside the box of tote box, sample is remained under the temperature of regulation transport, guaranteed that the complete sum of primary characteristic of sample is stable.
Description of drawings
Below with reference to accompanying drawings and in conjunction with the embodiments the present invention is specifically described.
Fig. 1 is the schematic appearance of tote box of the present invention;
Fig. 2 is the cut-open view of tote box of the present invention;
Fig. 3 is the structural representation of temperature regulating device and low-temperature receiver groove among first embodiment;
Fig. 4 is the sectional structure chart of A-A direction among Fig. 3;
Fig. 5 is the side view of Fig. 3;
Fig. 6 is the structural representation of temperature regulating device and low-temperature receiver groove among second embodiment;
Fig. 7 is the sectional structure chart of B-B direction among Fig. 6;
Fig. 8 is the side view of Fig. 6.
Wherein, 1-casing, 2-low-temperature receiver chamber, the 3-sample chamber, 4-low-temperature receiver groove, C-temperature regulating device, the 5-air door plate of taking a breath, 6-regulating device, 7-first venthole, 8-second venthole, 11-outer wall, 12-inwall, the 13-heat-insulation layer, 21-low-temperature receiver, 31-sampling receptacle, the 32-fixed mount, 41-first through hole, 42-slide rail, 43-regulating device holder, 51-second through hole, temperature sensitive of the arc thermometal of 61-, the 62-micromatic setting, 621-regulates bolt, 622-slide block, the 623-threaded hole, the 624-hinge hole, the 625-through hole, 626-regulates the bolt seat.
Embodiment
With reference to the accompanying drawings and by embodiments of the invention, technical scheme of the present invention is described in detail.Should be appreciated that each component is schematic and nonrestrictive shown in the accompanying drawing, each feature is drawn not in scale.In each device accompanying drawing, identical Reference numeral is represented identical component.
According to illustrated in figures 1 and 2, the invention provides a kind of passive sample tote box of temperature controllable, comprise casing 1, low-temperature receiver chamber 2 and sample chamber 3, the upper strata is low-temperature receiver chamber 2, lower floor is sample chamber 3.Have low-temperature receiver groove 4 between low-temperature receiver chamber 2 and the sample chamber 3, described sample chamber 3 has sampling receptacle 31 and fixed mount 32.The low-temperature receiver 21 that freezes in the distillation mode is placed in the low-temperature receiver chamber 2 of tote box of the present invention, and low-temperature receiver groove 4 has at least one first through hole 41 that is communicated with low-temperature receiver chamber 2 and sample chamber 3.Embodiments of the invention utilize the cryogenic high pressure of dry ice sublimation formation or have the carbon dioxide gas of pressure to be low-temperature receiver, carry out the cold air cooling by the sample in 41 pairs of sample chambers of first through hole 3, and place the dry ice of q.s, to guarantee in the shipping time of regulation, the continuing distillation refrigeration.
As shown in Figure 2, the tote box among the present invention also comprises temperature regulating device C, comprises ventilation air door plate 5 and regulating device 6.Ventilation air door plate 5 places in the sample chamber 3 and with low-temperature receiver groove 4 bottoms and fits, and is somebody's turn to do the open area that ventilation air door plate 5 is regulated first through hole 41 of low-temperature receiver groove 4 by regulating device 6.The air door plate 5 of taking a breath in the present invention has second through hole 51 corresponding with first through hole 41 of low-temperature receiver groove 4, and for example the aperture of this second through hole 51, quantity equate that with first through hole 41 second through hole 51 is relative with the position of first through hole 41.According to Fig. 3 to Fig. 8, the bottom of low-temperature receiver groove 4 also comprises slide rail 42 and regulating device holder 43.Ventilation air door plate 5 embeds slide rail 42 and is connected with regulating device holder 43 by regulating device 6.The slip that regulating device 6 makes ventilation air door plate 5 produce with respect to low-temperature receiver groove 4 along slide rail 42 by the position of regulating ventilation air door plate 5, regulate the size realization of through hole open area to the regulation and control of low-temperature carbon dioxide gas flux, thereby reach the sample chamber temperature controlling.
Owing to adopt the distillation mode to control temperature, need keep barotropic state and the inside and outside connection of case in the tote box, therefore according to Fig. 1 and 2, the tote box among the present invention also comprises the inside and outside venthole of connection casing.Described venthole comprises first venthole 7 and second venthole 8, and described first venthole 7 is communicated with outside low-temperature receiver chamber 2 and the casing 1.Described second venthole 8 is communicated with outside sample chamber 3 and the casing 1.
Regulate ventilation air door plates 5 when regulating device 6, when first through hole 41 on the low-temperature receiver groove 4 was closed gradually, the cold air flow that discharges by first venthole 7 increased gradually, thereby the air conditioning quantity that enters the sample chamber is reduced, the heat exchange amount minimizing of cold air and sample.Because the pressure of low-temperature receiver chamber 2 all the time can be greater than external atmosphere pressure, even stay open state at first through hole 41, dry ice gasification also has cold air to the sample chamber 3 release of carbon dioxide gas the time and escapes by first venthole 7, in order to control the speed that cold air is escaped, further, the flow area of first venthole 7 be not more than low-temperature receiver groove 4 first through hole 41 total flow area 1/5th.Can form the high-impedance state of gas like this, cold air is discharged more lentamente.
And described venthole also comprises second venthole 8, and this second venthole 8 is communicated with outside sample chamber 3 and the casing 1.And, the flow area of second venthole 8 be first through hole 41 total flow area 1/3rd to 1/2nd between, when first through hole 41 on the low-temperature receiver groove 4 is opened fully, because second venthole, 8 areas are greater than first venthole, 7 areas, most of cold air will pass sample chamber 3 and be discharged by second venthole 8, to strengthen the heat interchange between cold air and the sample.
Be elaborated below by two embodiment.
First embodiment
According to Fig. 3 to Fig. 5, regulating device 6 comprises temperature sensitive 61 of arc thermometal, and temperature sensitive 61 variation that chord length can take place in certain temperature range of this arc thermometal is such as 2 to 8 ℃ of temperature ranges.As shown in Figure 3, the two ends of temperature sensitive 61 of this arc thermometal are hinged with ventilation air door plate 5, regulating device holder 43 respectively.Temperature sensitive 61 of arc thermometal changes because variation of temperature makes chord length.The present invention utilizes the variation of this chord length to drive the slip of ventilation air door plate 5, controls the degree that first through hole 41 is opened, and realizes temperature control thereby control enters the air conditioning quantity of sample chamber 3.Particularly, when driving ventilation air door plate 5, temperature sensitive 61 temperature influences of arc thermometal slide, second through hole 51 and first through hole 41 of low-temperature receiver groove 4 are progressively aligned, the dry ice of low-temperature receiver chamber gasifies the back because volume increases the formation malleation, thereby 3 releases reduce the temperature of sample chamber 3 to the part that the carbon dioxide gas of low temperature communicates from first through hole 41, second through hole 51 to the sample chamber.On the contrary, flow area dwindled gradually when temperature sensitive 61 temperature influences drive of arc thermometal ventilation air door plate 5 progressively staggered second through hole 51 with first through hole 41, thereby reduce to enter the air conditioning quantity of sample chamber 3, and make the sample temperature decline rate slow down or stop.
Second embodiment
In order to adjust the temperature stabilization scope in the sample chamber 3 in the tote box of the present invention, extremely shown in Figure 8 as Fig. 6, regulating device 6 comprises temperature sensitive 61 of arc thermometal and micromatic setting 62, this micromatic setting 62 comprises to be regulated bolt 621 and is positioned at the adjusting bolt seat 626 that the low-temperature receiver trench bottom has through hole 625, in the present embodiment, regulating device holder 43 is preferably the slide block 622 with threaded hole 623 and hinge hole 624, regulating bolt 621 is loaded in the through hole of regulating on the bolt seat 626 625, and can only relatively rotate, namely pass the through hole 625 of adjusting bolt seat 626 and the threaded hole 623 of slide block 622, be threaded with described slide block (622).Regulate bolt 621 and cooperate with the threaded hole 623 of slide block 622, regulate bolt 621 when through hole 625 rotates in turn, drive slide block 622 relative low-temperature receiver grooves 4 and endwisely slip along regulating bolt 621.The two ends that arc thermometal is temperature sensitive 61 respectively with hinge hole 624 pin joints of ventilation air door plate 5, slide block 622.Thereby the slip that bolt 621 has driven ventilation air door plate 5 is regulated in turn.
With respect to first embodiment, second embodiment increases micromatic setting 62 in regulating device 6, can adjust the fixed position of temperature sensitive 61 of arc thermometal, thereby the corresponding temperature range of folding degree of 5 pairs of first through holes 41 of indirect regulation ventilation air door plate has realized the adjusting of tote box temperature stabilization scope.
Further, as Fig. 2, casing 1 also takes provision for thermal insulation to realize the stable of temperature.Casing 1 comprises outer wall 11 and inwall 12.Be heat-insulation layer 13 between the outer wall 11 of casing 1 and the inwall 12, the thickness of this heat-insulation layer 13 is for example 20 millimeters.By the heat-insulation layer thermal resistance, can reduce excessive demand and consumption to the low-temperature receiver amount.
Further, the outer wall of casing 1 has reflectance coating, by reflect heat, can farthest reduce the caloric receptivity of casing.
Further, in the tote box of the present invention, fixed mount 32 is made by materials such as eva film sponge or sponges, have the space be suitable for hold and the fixing groove of different size sampling receptacle, normalized sampling receptacle can be embedded wherein, avoid the heat conduction between the sample.
Further, fixed mount is the screen work with hollow structure, has further strengthened the circulation of cold air between sampling receptacle.
Should be appreciated that the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is illustrative and not restrictive.Those of ordinary skill in the art is reading on the basis of instructions of the present invention and can make amendment to the technical scheme that each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.Protection scope of the present invention is only limited by the claims of enclosing.
Claims (3)
1. the passive sample tote box of a temperature controllable, comprise casing (1), low-temperature receiver chamber (2) and sample chamber (3), have low-temperature receiver groove (4) between low-temperature receiver chamber (2) and sample chamber (3), described sample chamber (3) have sampling receptacle (31) and fixed mount (32), it is characterized in that
The upper strata is low-temperature receiver chamber (2), and lower floor is sample chamber (3);
The low-temperature receiver (21) that freezes in the distillation mode is placed in described low-temperature receiver chamber (2);
Described low-temperature receiver groove (4) comprises that at least one is communicated with first through hole (41) of low-temperature receiver chamber (2) and sample chamber (3);
Described tote box also comprises temperature regulating device (C), this temperature regulating device (C) comprises ventilation air door plate (5) and regulating device (6), and described ventilation air door plate (5) is regulated the open area of first through hole (41) of low-temperature receiver groove (4) by described regulating device (6);
Described tote box also comprises the venthole that connection casing (1) is inside and outside;
Described venthole comprises first venthole (7), and this first venthole (7) is communicated with outside low-temperature receiver chamber (2) and the casing (1);
Described venthole also comprises second venthole (8), and this second venthole (8) is communicated with outside sample chamber (3) and the casing (1);
The flow area of described first venthole (7) be not more than low-temperature receiver groove (4) the total flow area of first through hole (41) 1/5th;
The flow area of described second venthole (8) be the total flow area of described first through hole (41) 1/3rd to 1/2nd between;
The bottom of described low-temperature receiver groove (4) also comprises slide rail (42) and regulating device holder (43);
Described ventilation air door plate (5) embeds described slide rail (42), and is connected with described regulating device holder (43) by described regulating device (6);
Described ventilation air door plate (5) also comprises second through hole (51) corresponding with first through hole (41) of described low-temperature receiver groove (4);
Described regulating device (6) comprises temperature sensitive of arc thermometal (61), and the two ends of this arc thermometal temperature sensitive (61) are connected with ventilation air door plate (5), regulating device holder (43) respectively;
Described regulating device (6) also comprises micromatic setting (62), and this micromatic setting (62) comprises to be regulated bolt (621) and be positioned at the adjusting bolt seat (626) that the low-temperature receiver trench bottom has through hole (625);
Described regulating device holder (43) is the slide block (622) with threaded hole (623) and hinge hole (624);
The two ends of described arc thermometal temperature sensitive (61) respectively with hinge hole (624) pin joint of described ventilation air door plate (5), described slide block (622);
Described adjusting bolt (621) passes the described through hole (625) of described adjusting bolt seat (626) and the threaded hole (623) of described slide block (622), is threaded with described slide block (622).
2. the passive sample tote box of temperature controllable according to claim 1 is characterized in that,
Described casing (1) comprises outer wall (11) and inwall (12), is heat-insulation layer (13) between described outer wall (11) and the described inwall (12).
3. the passive sample tote box of temperature controllable according to claim 2 is characterized in that,
The screen work that described fixed mount (32) has hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102749800A CN102375072B (en) | 2011-09-16 | 2011-09-16 | Controllable-temperature passive sample conveying tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102749800A CN102375072B (en) | 2011-09-16 | 2011-09-16 | Controllable-temperature passive sample conveying tank |
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| Publication Number | Publication Date |
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| CN102375072A CN102375072A (en) | 2012-03-14 |
| CN102375072B true CN102375072B (en) | 2013-07-10 |
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| CN2011102749800A Expired - Fee Related CN102375072B (en) | 2011-09-16 | 2011-09-16 | Controllable-temperature passive sample conveying tank |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9366483B2 (en) * | 2013-11-27 | 2016-06-14 | Tokitac LLC | Temperature-controlled container systems for use within a refrigeration device |
| CN105543083B (en) * | 2015-12-17 | 2018-01-16 | 西安交通大学 | A kind of portable quick controllable cooling device for biochemistry detection |
| CN106743639A (en) * | 2017-01-19 | 2017-05-31 | 中山市雪冷宫冷冻科技有限公司 | A kind of dry ice freezing processing line |
| CN108069143B (en) * | 2017-12-18 | 2020-02-18 | 中原工学院 | Insulation can for cold chain commodity circulation |
| CN113267525A (en) * | 2021-03-15 | 2021-08-17 | 北京环冷科技有限公司 | Device for cold insulation material to carry out low-temperature experiment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066580U (en) * | 1990-01-18 | 1990-11-28 | 李云生 | Internal heat type electric heater for degesting sample |
| EP0718212B2 (en) * | 1994-12-20 | 2004-09-15 | Joseph N. Villa | Insulated storage/shipping container for maintainig a constant temperature |
| US20070084232A1 (en) * | 2005-10-19 | 2007-04-19 | Whewell Robert E Jr | Dry ice delivery method that controls the temperature of cooling compartment(s) |
| CN201729390U (en) * | 2010-06-17 | 2011-02-02 | 东北农业大学 | Veterinary refrigeration transport case |
| CN201885888U (en) * | 2010-11-04 | 2011-06-29 | 唐晶磊 | Sampling box for food safety inspection |
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| CN102375072A (en) | 2012-03-14 |
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Owner name: BEIJING TONGHUAYONG BIOLOGICAL TECHNOLOGY CO., LTD Effective date: 20150819 |
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Effective date of registration: 20150819 Address after: 100026 Beijing city Chaoyang District tianshuiyuan Street No. 6 Patentee after: Beijing Entry-exit Inspection and Quarantine Bureau, the People's Republic of China Patentee after: Beijing Tonghuayong Biological Technology Co., Ltd. Address before: 100026 Beijing city Chaoyang District tianshuiyuan Street No. 6 Patentee before: Beijing Entry-exit Inspection and Quarantine Bureau, the People's Republic of China |
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