CN114348464A - Aquatic product sample storage and transportation box for nitrofuran metabolites to be detected - Google Patents
Aquatic product sample storage and transportation box for nitrofuran metabolites to be detected Download PDFInfo
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- CN114348464A CN114348464A CN202210014802.2A CN202210014802A CN114348464A CN 114348464 A CN114348464 A CN 114348464A CN 202210014802 A CN202210014802 A CN 202210014802A CN 114348464 A CN114348464 A CN 114348464A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses an aquatic product sample storage and transportation box for nitrofuran metabolites to be detected, which comprises a heat preservation box body, a box cover, a lining box and a refrigerant box, wherein a supporting plate is arranged in the lining box; the refrigerant box includes frame and draft tube, and the frame is put on the lining box, is equipped with the heat-conducting plate in the frame, and the heat-conducting plate below is equipped with and is annular L type groove, and L type groove surrounds formation chamber of catchmenting with frame, heat-conducting plate, through-hole on the heat-conducting plate, and the space between the vertical face in L type groove and the heat-conducting plate forms the heat exchange chamber, and the draft tube is fixed in L type bottom of the groove portion, and the clearance between draft tube and the frame forms the passageway, is equipped with the import on the draft tube. The invention has simple structure, convenient taking and placing, uniform internal temperature and good refrigeration effect, and the sample can be independently placed.
Description
Technical Field
The invention relates to a sample box, in particular to an aquatic product sample storage and transportation box for nitrofuran metabolites to be detected.
Background
Nitrofurans (nitrofurans) are artificially synthesized broad-spectrum antibacterial agents, have inhibiting or killing effects on most gram-positive bacteria, gram-negative bacteria, fungi, protozoa and other pathogens, and have been widely used in livestock, poultry and aquaculture industry for treating enteritis, scabies, red fin disease, ulcer and the like caused by escherichia coli or salmonella.
Because of the potential risk of mutagenicity and carcinogenesis, and the long residual time of metabolites in animals and environment, the drugs are forbidden to be used in food animals in many countries. All countries in the world have strict control on nitrofurans, and have clear regulation on monitoring standards, mainly focusing on furaltadone, furazolidone, nitrofurantoin and nitrofural metabolites. After entering an animal body, the nitrofuran medicine is rapidly metabolized, has short half-life period and is difficult to detect, but the generated metabolite can be combined with protein, can be kept stable for a long time and is accumulated in the animal body.
Therefore, the nitrofuran drug residues in the aquatic products are detected and analyzed to comprehensively know the nitrofuran drug residues in the aquatic products, and guarantee can be provided for the aquatic products which are safe to eat by people.
Before detecting nitrofurans metabolites, aquatic products need to be sampled, and the aquatic product samples are intensively taken back to a laboratory for carrying out sampling. In order to ensure the accuracy of the detection result, the aquatic product is often required to be stored at low temperature and in a dark place after sampling. At present, aquatic product samples are generally put into a sample bag and sealed, and then are intensively placed in a containing box or a heat preservation box with refrigerants such as an ice bag and the like at the bottom, and the preservation has the following defects: (1) the temperature distribution in the box body is uneven, and the low-temperature preservation effect is poor; (2) the samples are stacked in a messy manner, and the sample bags are mutually overstocked and contacted, so that the sample bags are easy to damage and inconvenient to take; (3) when the sample bag is taken out, condensed water remained on the surface of the sample bag drips to affect the tidiness.
Disclosure of Invention
The invention aims to solve the problems of the preservation and transportation mode of the aquatic product samples of the nitrofuran metabolites to be detected in the prior art, and provides the aquatic product sample storage and transportation box of the nitrofuran metabolites to be detected, which has the advantages of ingenious structure, independent placement of the aquatic product samples, convenient taking and placing, uniform internal temperature and good refrigeration effect.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention relates to an aquatic product sample storage and transportation box for nitrofuran metabolites to be detected, which comprises a heat preservation box body, a box cover, a lining box and a refrigerant box, wherein the top of the lining box is open and is positioned in the heat preservation box body; the refrigerant box comprises an outer frame and a guide cylinder, the lower end face of the outer frame is placed on the upper end face of the inner lining box, a heat conducting plate is arranged in the outer frame, a space formed by the heat conducting plate and the outer frame in a surrounding mode forms a refrigerant groove, an annular L-shaped groove is arranged below the heat conducting plate, a water collecting cavity is formed by the L-shaped groove, the outer frame and the heat conducting plate in a surrounding mode, a through hole communicated with the water collecting cavity is formed in the heat conducting plate, a heat exchange chamber is formed by the space between the vertical face of the L-shaped groove and the heat conducting plate, the guide cylinder is fixed to the bottom of the L-shaped groove, an upper channel is formed by a gap between the guide cylinder and the outer frame, and an inlet is formed in the guide cylinder. The invention designs a storage and transportation box for storing and transporting aquatic product samples of nitrofuran metabolites to be detected; the ice bag type refrigerator comprises a lining box and a refrigerant box, wherein the refrigerant box is used for placing refrigerants such as an ice bag and the ice box, and the refrigerant box adopts a top-placing design, so that a sample does not need to be taken out when the refrigerant is replaced, the replacement of the refrigerant is very convenient, and meanwhile, the sinking of cold air is facilitated; the lining box is internally provided with a plurality of independent sample grooves for independently placing samples, so that the refrigeration temperature can be ensured to be consistent, the mutual overstocking among the samples can be avoided, and the taking and the placing are more visual and convenient; a water storage chamber is designed below the supporting plate, and condensed water on the surface of the sample bag can fall into the water storage chamber through the water leakage hole to be stored, so that the condensed water is prevented from being attached to the surface of the sample bag; the circulation holes are convenient for circulation and exchange of internal air, and are beneficial to keeping the internal temperature of the box body uniform and consistent; the heat conducting plate is used for placing refrigerants such as ice bags and ice boxes, has a supporting function, is used for placing refrigerants and also has a heat conducting function, can exchange heat with air below, enables the temperature of the air in the lining box to be reduced, has the functions of retaining water and blocking light, can prevent condensed water on the surfaces of the refrigerants such as the ice bags and the ice boxes from dripping to the surface of a sample bag below, can prevent light from irradiating a sample when a box cover is opened to replace the refrigerants, and can directly flow into the water collecting cavity to be concentrated; the guide cylinder is used for guiding the rising hot air to the heat conducting plate along the wall surface of the guide cylinder so as to carry out heat exchange rapidly, and simultaneously, the cooled air directly sinks into the sample tank from the middle, so that the rising of the hot air and the sinking of the cold air are not interfered with each other; the hot-air after carrying out the heat exchange with the sample in the sample cell receives the top and sinks the pressure of cold air, gets into in the lower passageway and along the lower passageway supreme passageway that rises to from the import along the draft tube wall flow to the bottom of heat-conducting plate carry out the heat exchange, directly sinks after the cooling, thereby realizes automatic cycle in the box, makes the temperature in the box can keep even unanimity, and the cooling rate is fast.
Preferably, the case lid includes apron and cardboard, the apron crimping is on heat preservation box's upper end terminal surface, the cardboard is fixed in the bottom surface both sides of apron and is located heat preservation box's the outside, and the apron is through the detachably crimping on heat preservation box's upper end terminal surface with cardboard joint complex elasticity latch mechanism, and seals between the upper end terminal surface of apron and heat preservation box. The cover plate can be quickly disassembled and assembled through the elastic clamping mechanism, so that the box cover is very convenient to disassemble and assemble.
Preferably, the elastic clamping mechanism comprises an elastic sheet and a clamping groove, the lower end of the elastic sheet is fixed on the side faces of two sides of the heat insulation box body, a swinging gap is formed between the elastic sheet and the heat insulation box body, the clamping groove is formed in the inner wall of the clamping plate, an assembly gap for accommodating the elastic sheet is formed between the inner wall of the clamping plate and the outer wall of the heat insulation box body, and a clamping edge matched with the clamping groove is formed in the end portion of the upper end of the elastic sheet. The invention designs an elastic clamping mechanism, when a cover plate is pressed downwards to clamp a clamping edge into a clamping groove, the cover plate is tightly pressed on a heat insulation box body under the limiting action of the clamping groove, and when a box cover needs to be opened, the box cover can be taken down only by pressing an elastic sheet downwards to separate the clamping edge from the clamping groove, so that the box cover is very convenient to open and close.
Preferably, the upper portion of the elastic piece is provided with an arc pressing section which is arched outwards. The arc pressing section is convenient for pressing by hands.
Preferably, fixed blocks are fixed on the side faces of the two sides of the heat preservation box body, slots are formed in the fixed blocks, and the lower ends of the elastic pieces are in inserting fit with the slots.
Preferably, a step structure is arranged at the edge position of the bottom surface of the cover plate, a vertical surface of the step structure is in contact with the inner wall of the heat preservation box body, a horizontal surface of the step structure is in compression joint with the upper end face of the heat preservation box body, and a sealing ring is arranged on the horizontal surface of the step structure.
Preferably, an interlayer is arranged in the heat preservation box body, and heat preservation and insulation materials are arranged in the interlayer. The heat insulating material is not particularly limited, and any heat insulating material conventional in the art may be used.
Preferably, corner wrapping columns are arranged at the turning corners of the four side surfaces of the heat preservation box body, and the upper ends and the lower ends of the corner wrapping columns respectively protrude out of the top surface and the bottom surface of the heat preservation box body. The angle wrapping column plays a role in protection and is used for protecting the heat preservation box body, and can be made of elastic materials.
Preferably, the heat-conducting plate is tapered, and the through hole is formed in the edge of the heat-conducting plate. The heat-conducting plate is toper, can lead the edge of heat-conducting plate with the comdenstion water that flows down, avoids ponding.
Preferably, the guide cylinder is in a hollow round table shape, and the inner wall surface of the large opening end of the guide cylinder is internally tangent to the outer edge of the upper end part of the inner coaming. The inner wall surface of the large opening end of the guide cylinder is internally tangent to the outer edge of the upper end part of the inner enclosing plate, so that ascending gas enters from the inlet.
Therefore, the invention has the following beneficial effects: the structure is ingenious, the aquatic product sample can be placed alone, the taking and placing are convenient, the internal temperature is uniform, and the refrigeration effect is good.
Drawings
FIG. 1 is an assembled front view of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is an enlarged view of a in fig. 2.
FIG. 4 is a top view of the combination of the insulated cabinet and the inner box.
In the figure: the heat preservation box body 1, inside lining box 2, layer board 3, water storage chamber 4, interior bounding wall 5, lower passageway 6, sample groove 7, the hole 8 that leaks, circulation hole 9, frame 10, draft tube 11, heat-conducting plate 12, refrigerant groove 13, L type groove 14, the chamber 15 that catchments, through-hole 16, heat exchange chamber 17, upper channel 18, import 19, apron 20, cardboard 21, flexure strip 22, draw-in groove 23, swing clearance 24, assembly gap 25, joint limit 26, the section 27 is pressed to the arc, fixed block 28, slot 29, stair structure 30, sealing washer 31, heat preservation thermal insulation material 32, package corner post 33.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figures 1 and 2, the aquatic product sample storage and transportation box for nitrofuran metabolites to be detected comprises a heat preservation box body 1, a box cover, an inner lining box 2 and a refrigerant box, wherein the box cover comprises a cover plate 20 and a clamping plate 21, an interlayer is arranged in the heat preservation box body, a heat preservation and insulation material 32 is arranged in the interlayer, corner wrapping columns 33 are arranged at turning corners of four side surfaces of the heat preservation box body, the upper ends and the lower ends of the corner wrapping columns respectively protrude out of the top surface and the bottom surface of the heat preservation box body, a step structure 30 is arranged at the edge position of the bottom surface of the cover plate, the vertical surface of the step structure is in contact with the inner wall of the heat preservation box body, a sealing ring 31 is arranged on the horizontal surface of the step structure, the horizontal surface of the step structure is in compression joint with the end surface of the upper end of the heat preservation box body, the clamping plate is fixed on two sides of the bottom surface of the cover plate and is positioned on the outer side of the heat preservation box body, the cover plate is detachably in compression joint with the end surface of the upper end of the heat preservation box body through an elastic clamping mechanism in clamping fit with the clamping plate, and the cover plate and the upper end face of the heat preservation box body are sealed; the elastic clamping mechanism comprises an elastic sheet 22 and a clamping groove 23 (shown in figure 3), fixed blocks 28 are fixed on the side faces of two sides of the heat preservation box body, a slot 29 (shown in figure 4) is arranged in each fixed block, an arc-shaped pressing section 27 which is arched outwards is arranged at the upper part of each elastic sheet, the lower end of each elastic sheet is in splicing fit with the corresponding slot, a swinging gap 24 is arranged between each elastic sheet and the heat preservation box body, the clamping groove is arranged on the inner wall of each clamping plate, an assembly gap 25 for accommodating each elastic sheet is arranged between the inner wall of each clamping plate and the outer wall of the heat preservation box body, and a clamping edge 26 which is matched with the clamping groove is arranged at the end part of the upper end of each elastic sheet; the top of the lining box is open and is arranged in the heat-insulating box body, a supporting plate 3 is arranged in the lining box, a water storage chamber 4 is formed by a gap between the supporting plate and the lining box, an inner surrounding plate 5 is arranged on the lining box, a lower channel 6 is formed by a gap between the inner surrounding plate and the lining box, a sample groove 7 formed by longitudinally and transversely staggered longitudinal and transverse partition plates is arranged in the inner surrounding plate, a water leakage hole 8 is arranged at the bottom of the sample groove, and a circulation hole 9 is arranged on the wall of the sample groove; the refrigerant box comprises an outer frame 10 and a guide cylinder 11, the lower end face of the outer frame is placed on the upper end face of the inner lining box, a heat conduction plate 12 is arranged in the outer frame and is conical, a refrigerant groove 13 is formed in a space formed by the heat conduction plate and the outer frame in a surrounding mode, an annular L-shaped groove 14 is arranged below the heat conduction plate, a water collecting cavity 15 is formed in a closed space formed by the L-shaped groove, the outer frame and the heat conduction plate in a surrounding mode, a through hole 16 communicated with the water collecting cavity is formed in the heat conduction plate and is arranged at the edge position of the heat conduction plate, a heat exchange chamber 17 is formed in a space between the vertical face of the L-shaped groove and the heat conduction plate, the guide cylinder is fixed to the bottom of the L-shaped groove and is in a hollow round table shape, an upper channel 18 is formed in a gap between the guide cylinder and the outer frame, an inlet 19 is formed in the guide cylinder, and the inner wall face of the large opening end of the guide cylinder is inscribed with the outer edge of the upper end portion of the inner lining plate.
The using method of the invention comprises the following steps: the inner lining box is placed in the heat preservation box body, the sample bag filled with aquatic product samples is placed in the sample groove in sequence, the refrigerant box is placed on the inner lining box, the refrigerant is placed on the heat conduction plate of the refrigerant box to cover the box cover, the cover body of the box cover is pressed on the upper end face of the heat preservation box body, the clamping edge on the elastic sheet is clamped into the clamping groove, and the box cover and the heat preservation box body are fixed into a whole, so that the transportation can be carried out.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. An aquatic product sample storage and transportation box for nitrofuran metabolites to be detected is characterized by comprising a heat preservation box body (1), a box cover, a lining box (2) and a refrigerant box, wherein the top of the lining box is open and is positioned in the heat preservation box body, a supporting plate (3) is arranged in the lining box, a water storage chamber (4) is formed in a gap between the supporting plate and the lining box, an inner surrounding plate (5) is arranged on the lining box, a lower channel (6) is formed in the gap between the inner surrounding plate and the lining box, a sample groove (7) formed by a longitudinal partition plate and a transverse partition plate in a criss-cross mode is arranged in the inner surrounding plate, a water leakage hole (8) is formed in the bottom of the sample groove, and a circulation hole (9) is formed in the wall of the sample groove; the refrigerant box comprises an outer frame (10) and a guide cylinder (11), wherein the lower end face of the outer frame is placed on the upper end face of the lining box, a heat-conducting plate (12) is arranged in the outer frame, a space formed by the heat-conducting plate and the outer frame in a surrounding mode forms a refrigerant groove (13), an annular L-shaped groove (14) is arranged below the heat-conducting plate, a water collecting cavity (15) is formed in the closed space formed by the L-shaped groove in a surrounding mode, the outer frame and the heat-conducting plate, a through hole (16) communicated with the water collecting cavity is formed in the heat-conducting plate, a heat exchange chamber (17) is formed in the space between the vertical surface of the L-shaped groove and the heat-conducting plate, the guide cylinder is fixed at the bottom of the L-shaped groove, an upper channel (18) is formed in the gap between the guide cylinder and the outer frame, and an inlet (19) is formed in the guide cylinder.
2. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 1, wherein the box cover comprises a cover plate (20) and clamping plates (21), the cover plate is pressed on the upper end face of the thermal insulation box body, the clamping plates are fixed on two sides of the bottom surface of the cover plate and located on the outer side of the thermal insulation box body, the cover plate is detachably pressed on the upper end face of the thermal insulation box body through an elastic clamping mechanism in clamping fit with the clamping plates, and the cover plate and the upper end face of the thermal insulation box body are sealed.
3. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 2, wherein the elastic clamping mechanism comprises an elastic sheet (22) and a clamping groove (23), the lower end of the elastic sheet is fixed on the two side surfaces of the heat preservation box body, a swinging gap (24) is arranged between the elastic sheet and the heat preservation box body, the clamping groove is arranged on the inner wall of the clamping plate, an assembling gap (25) for accommodating the elastic sheet is arranged between the inner wall of the clamping plate and the outer wall of the heat preservation box body, and a clamping edge (26) matched with the clamping groove is arranged at the upper end part of the elastic sheet.
4. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 3, wherein the upper part of the elastic sheet is provided with an arc-shaped pressing section (27) which is arched outwards.
5. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 3, wherein fixing blocks (28) are fixed on two side surfaces of the thermal insulation box body, slots (29) are arranged in the fixing blocks, and the lower ends of the elastic sheets are in inserted fit with the slots.
6. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 3, wherein a step structure (30) is arranged at the edge position of the bottom surface of the cover plate, the vertical surface of the step structure is in contact with the inner wall of the insulation box body, the horizontal surface of the step structure is in compression joint with the upper end surface of the insulation box body, and a sealing ring (31) is arranged on the horizontal surface of the step structure.
7. The aquatic product sample storage and transportation box for nitrofuran metabolites to be detected according to claim 1, wherein an interlayer is arranged in the heat preservation box body, and a heat preservation and insulation material (32) is arranged in the interlayer.
8. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 1 or 7, wherein corner-wrapping pillars (33) are disposed at the turning corners of the four side surfaces of the thermal insulation box body, and the upper end and the lower end of the corner-wrapping pillars protrude from the top surface and the bottom surface of the thermal insulation box body respectively.
9. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 1, wherein the heat conducting plate is tapered, and the through hole is disposed at the edge of the heat conducting plate.
10. The aquatic product sample storage and transportation box for nitrofurans metabolites to be tested according to claim 1, wherein the draft tube is in a hollow circular truncated cone shape, and the inner wall surface of the large opening end of the draft tube is internally tangent to the outer edge of the upper end part of the inner enclosing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014802.2A CN114348464B (en) | 2022-01-07 | 2022-01-07 | Aquatic product sample storage and transportation box for nitrofuran metabolites to be detected |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014802.2A CN114348464B (en) | 2022-01-07 | 2022-01-07 | Aquatic product sample storage and transportation box for nitrofuran metabolites to be detected |
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| CN114348464A true CN114348464A (en) | 2022-04-15 |
| CN114348464B CN114348464B (en) | 2023-07-21 |
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