CN117804056A - Temperature-changing incubator for enzyme-linked immunosorbent assay - Google Patents
Temperature-changing incubator for enzyme-linked immunosorbent assay Download PDFInfo
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- CN117804056A CN117804056A CN202410226820.6A CN202410226820A CN117804056A CN 117804056 A CN117804056 A CN 117804056A CN 202410226820 A CN202410226820 A CN 202410226820A CN 117804056 A CN117804056 A CN 117804056A
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- 238000002965 ELISA Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract description 7
- 238000004321 preservation Methods 0.000 description 10
- 238000005485 electric heating Methods 0.000 description 9
- 238000011534 incubation Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The invention relates to an enzyme-linked immunosorbent assay temperature-changing incubator, which comprises: a housing having a cavity therein for receiving a sample; the heating assembly is positioned on the shell and used for heating air in the shell, the heating assembly is provided with an air inlet and an air outlet, an air suction piece used for sucking air in the cavity into the heating assembly is arranged at the air inlet, and the air outlet is communicated with the cavity; and a sample placement assembly located within the cavity and configured to place a sample; the heating temperature of the heating element in the temperature rising part is higher than the temperature required in the cavity, the heating temperature of the heating element in the temperature regulating part is not higher than the temperature required in the cavity, and the heating temperature of the heating element in the heat preserving part is equal to the temperature required in the cavity; the temperature in the cavity is more stable, and the control of the air temperature in the cavity is more accurate, so that the condition of poor cultivation effect due to low temperature control precision is avoided to a certain extent.
Description
Technical Field
The invention relates to the technical field of incubator, in particular to a temperature-changing incubator for enzyme-linked immunosorbent assay.
Background
The laboratory is usually equipped with an enzyme-linked immunosorbent assay temperature-changing incubator to meet the experiment of different temperature requirements. The temperature-changing incubator for the ELISA can provide a stable temperature environment, so that experiments such as a microorganism experiment and an ELISA can be performed under the required temperature condition. The temperature-changing incubator for enzyme-linked immunosorbent assay is a laboratory device and is used for controlling and maintaining sample culture and incubation under specific temperature conditions. It generally consists of a housing, heating elements, temperature control system, and internal sample tray, etc.
The temperature control precision of the temperature change incubator in the prior related art may be low, so that when a sample sensitive to temperature is cultivated, the situation of poor cultivation effect may occur.
Disclosure of Invention
In order to solve the problem, the application provides an enzyme-linked immunosorbent assay alternating temperature incubator.
The above object of the present invention is achieved by the following technical solutions: an enzyme-linked immunosorbent assay alternating temperature incubator, comprising:
a housing having a cavity therein for receiving a sample;
the heating assembly is positioned on the shell and used for heating air in the shell, the heating assembly is provided with an air inlet and an air outlet, an air suction piece used for sucking air in the cavity into the heating assembly is arranged at the air inlet, and the air outlet is communicated with the cavity; and
the sample placing component is positioned in the cavity and used for placing a sample;
the heating assembly comprises a heating part, a temperature regulating part and a heat preservation part which are sequentially communicated, heating elements for heating air are arranged in the heating part, the temperature regulating part and the heat preservation part, the air inlet is located the heating part, the air outlet is located the heat preservation part, the heating temperature of the heating elements in the heating part is higher than the required temperature in the cavity, the heating temperature of the heating elements in the temperature regulating part is not higher than the required temperature in the cavity, and the heating temperature of the heating elements in the heat preservation part is equal to the required temperature in the cavity.
Preferably, a temperature homogenizing cavity for homogenizing air is arranged between the temperature rising part and the temperature regulating part and between the temperature regulating part and the heat preserving part, a plurality of temperature homogenizing plates are arranged in the temperature homogenizing cavity, a plurality of through holes are formed in the temperature homogenizing plates, the adjacent temperature homogenizing plates are arranged at intervals, and the through holes between the adjacent temperature homogenizing plates are staggered.
Preferably, the shell is internally provided with a wind shield around the cavity, an air outlet cavity and an air suction cavity which are mutually separated are formed between the wind shield and the shell, the air outlet is communicated with the air outlet cavity, the air inlet is communicated with the air suction cavity, a plurality of air outlet holes are formed in the wind shield at the air outlet cavity, and a plurality of air suction holes are formed in the wind shield at the air suction cavity.
Preferably, the diameter of the air outlet hole is gradually increased from the bottom side of the shell to the top side of the shell, and the air outlet is positioned on the side, close to the bottom side of the shell, of the air outlet cavity; the diameter of the air suction hole gradually decreases from the bottom side of the shell to the top side of the shell, and the air inlet is positioned on the side, close to the top side of the shell, of the air suction cavity.
Preferably, the housing comprises a top wall and a bottom wall which are opposite, a side wall is arranged between the top wall and the bottom wall, a drawing port is arranged on the side wall, the sample placement assembly comprises a drawing box which is arranged in the housing in a sliding manner through the drawing port, and the drawing box can enter/exit the housing through the drawing port when sliding; when the drawing box completely enters the shell, the drawing opening is closed by the drawing box, the drawing box is arranged away from the opening at the side of the bottom wall, and a plurality of through holes are formed in the drawing box towards the side of the bottom wall.
Preferably, a folding soft curtain is arranged between the end part of the drawing box, which faces the outside of the shell, and the opening of the drawing opening, the folding soft curtain is positioned on one side, close to the bottom wall side, of the drawing box, the projection of the drawing box on the bottom wall side is positioned in the projection of the folding soft curtain on the bottom wall side, and the shell is positioned at the opening and is provided with a containing cavity for containing the folding soft curtain.
Preferably, the direction of the two side positions of the drawing box is perpendicular to the sliding direction of the drawing box, and the distance between the two side positions of the folding soft curtain close to the drawing box and the bottom wall is greater than the distance between the two side positions of the folding soft curtain far away from the drawing box and the bottom.
Preferably, the folding soft curtain is of a corrugated folding structure, the folding position of the folding soft curtain is arc-shaped, and a liquid containing cavity is formed at the folding position of the folding soft curtain.
Preferably, a first abutting portion is arranged on the drawing box, and after the drawing box completely enters the shell, the first abutting portion is used for abutting against a folding position of the folding soft curtain, which is away from the bottom wall side.
Preferably, the direction of both sides position place of folding soft curtain with the slip direction of pull box is perpendicular, be provided with second butt portion on the pull box, after the pull box gets into the casing completely, second butt portion is used for with folding soft curtain's both sides position butt, along the pull box slip direction, the length of second butt portion is greater than the length of first butt portion.
In summary, the present invention includes at least one of the following beneficial technical effects:
in use, the temperature of the air in the cavity is quickly increased through the temperature increasing part, the heating temperature of the heating element in the temperature increasing part is higher, the temperature of the air in the temperature increasing part can be quickly increased to be close to the temperature required by incubation, then the air after temperature increasing enters the temperature adjusting part, at the moment, the temperature adjusting part adjusts the temperature of the air according to the requirement, the air after temperature adjustment enters the heat preserving part for heat preservation, so that the temperature of the air is at the required temperature, the temperature entering the cavity is more stable, the control of the temperature of the air in the cavity is more accurate, and the condition of poor cultivation effect due to low temperature control precision is avoided to a certain extent;
when drawing out the pull box, folding soft curtain can expand in the pull box bottom, when unrestrained to the pull box in such as medicament, the unrestrained medicament will follow the through-hole and drop, and the folding soft curtain of expanding can accept the medicament that drops through the through-hole this moment to avoid medicament etc. to drop and take place at external condition, and when pushing the pull box to the cavity in, folding soft curtain is accomodate in holding the intracavity, thereby does not influence the hot air and flows through the through-hole of pull box bottom.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present application.
Fig. 2 is a schematic view of the structure with the top wall cut away.
Fig. 3 is a cross-sectional view taken along the direction C-C in fig. 2.
Fig. 4 is a half cross-sectional view of the housing.
Fig. 5 is a schematic structural view of the drawer.
Fig. 6 is an enlarged partial schematic view of the portion a in fig. 1.
Fig. 7 is a partially enlarged schematic view of the portion B in fig. 4.
In the figure, 1, a shell; 1a, top wall; 1b, a bottom wall; 1c, side walls; 2. a cavity; 3. a heating assembly; 31. a temperature raising unit; 32. a temperature adjusting part; 33. a heat preservation part; 4. an air inlet; 5. an air outlet; 6. an air suction member; 7. a sample placement assembly; 8. a heating element; 81. an electric heating rod; 82. a heat conduction fin; 9. a temperature homogenizing cavity; 10. a temperature homogenizing plate; 11. a reinforcing rod; 12. a wind deflector; 13. an air outlet cavity; 14. an air suction cavity; 15. an air outlet hole; 16. an air suction hole; 17. a drawing port; 18. drawing the box; 181. a drawing plate; 19. a through hole; 20. folding the soft curtain; 201. a flange; 21. a receiving chamber; 22. an arc shape; 23. a liquid containing cavity; 24. a first abutting portion; 25. a second abutting portion; 26. a slide block; 27. and a sliding groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments.
In the description of embodiments of the present application, words such as "for example" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described herein as "such as" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "or" for example "is intended to present related concepts in a concrete fashion.
In the description of the embodiments of the present application, the term "plurality" means two or more. For example, a plurality of systems means two or more systems, and a plurality of screen terminals means two or more screen terminals. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating an indicated technical feature. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Referring to fig. 1 and fig. 2, the temperature-changing incubator for the enzyme-linked immunosorbent assay disclosed by the invention comprises a housing 1, wherein a heating component 3 and a sample placement component 7 are arranged in the housing 1, in the embodiment, the housing 1 is in a hollow cuboid shape, the housing 1 comprises a top wall 1a, a bottom wall 1b and a side wall 1c, the top wall 1a and the bottom wall 1b are mutually parallel, the side wall 1c surrounds the top wall 1a and the bottom wall 1b, a cavity 2 is formed among the top wall 1a, the bottom wall 1b and the side wall 1c, the sample placement component 7 is positioned in the cavity 2, the sample placement component 7 is used for placing a sample to be incubated, and the heating component 3 is used for circularly heating air in the cavity 2 so as to keep the air in the cavity 2 at a required temperature. When the device is used, a sample to be incubated is placed on the sample placement component 7, air in the cavity 2 is heated by the heating component 3 according to incubation requirements, and the heated air is at a temperature required by incubation, so that the sample is in a temperature environment required until incubation operation is completed. It will be appreciated that the housing 1 may be provided with multiple layers and that the housing 1 has at least a thermal insulation layer, the housing 1 being capable of reducing heat exchange between the interior and exterior of the cavity 2.
Referring to fig. 2 and 3, the heating module 3 includes a heating portion 31, a temperature adjusting portion 32 and a heat preserving portion 33 which are sequentially communicated, in this embodiment, the heating portion 31, the temperature adjusting portion 32 and the heat preserving portion 33 are all closed cavities, heating elements 8 are disposed in the heating portion 31, the temperature adjusting portion 32 and the heat preserving portion 33, the heating elements 8 can heat air in the heating portion 31, the temperature adjusting portion 32 and the heat preserving portion 33 to a required temperature, in this embodiment, the heating elements 8 are electric heating rods 81 and heat conducting fins 82 respectively distributed in the heating portion 31, the temperature adjusting portion 32 and the heat preserving portion 33, the heat conducting fins 82 are connected with the electric heating rods 81, and the heat conducting fins 82 are alternately distributed in the heating portion 31, the temperature adjusting portion 32 and the heat preserving portion 33 at intervals, so that when the air flows in the heating portion 31, the temperature adjusting portion 32 and the heat preserving portion 33, the heat conducting fins 82 are alternately distributed to heat the air to the required temperature.
It will be appreciated that temperature sensors are provided in the temperature raising portion 31, the temperature adjusting portion 32 and the heat preserving portion 33, and that in use, the temperature of the air in the temperature raising portion 31, the temperature adjusting portion 32 and the heat preserving portion 33 can be sensed by the temperature sensors so as to adjust the heating temperature of the heating element 8 as required to make the air temperature meet the requirements. In the present embodiment, the heating temperature of the electric heating rod 81 is adjustable and controllable, and how to control the heating temperature of the electric heating rod 81 and how to adjust the temperature of the electric heating rod 81 are common techniques, which are not limited in the present embodiment.
Referring to fig. 2 and 3, in order to more precisely control the temperature of the air in the cavity 2, so that the heating temperature of the heating element 8 in the temperature raising portion 31 is higher than the required temperature in the cavity 2, the heating temperature of the heating element 8 in the temperature adjusting portion 32 is not higher than the required temperature in the cavity 2, the heating temperature of the heating element 8 in the heat preserving portion 33 is equal to the required temperature in the cavity 2, in this embodiment, more heat conducting fins 82 may be provided in the temperature raising portion 31 to rapidly heat the air, while the temperature of the electric heating rod 81 in the temperature raising portion 31 is set relatively higher than the required temperature for incubation, while the number of the heat conducting fins 82 in the temperature adjusting portion 32 and the heat conducting fins 82 in the heat preserving portion 33 is smaller than the number of the heat conducting fins 82 in the temperature raising portion 31, while the temperature of the electric heating rod 81 in the temperature adjusting portion 32 is set to be equal to or smaller than the required temperature, specifically what temperature is set, the temperature detected by the temperature sensor is adjustable so that the air entering the heat preserving portion 33 from the temperature adjusting portion 32 is as close to the required temperature for incubation as possible, and the required temperature of the electric heating rod 81 in the heat preserving portion 33 can be adjusted.
Referring to fig. 2 and 4, the temperature rising portion 31 is provided with an air inlet 4, and an air extracting member 6 is disposed at the air inlet 4, the air inlet 4 is communicated with the cavity 2, and when the air extracting member 6 works, air in the cavity 2 can be extracted into the temperature rising portion 31, in this embodiment, the air extracting member 6 is a fan or an exhaust fan; the air outlet 5 is arranged on the heat preservation part 33, the air outlet 5 is communicated with the cavity 2, the temperature homogenizing cavity 9 is arranged between the temperature rising part 31 and the temperature regulating part 32 and between the temperature regulating part 32 and the heat preservation part 33, when the temperature homogenizing device is used, air in the temperature rising part 31 firstly enters the temperature homogenizing cavity 9 and then enters the temperature regulating part 32 from the temperature homogenizing cavity 9, the air after temperature regulation enters the temperature homogenizing cavity 9 between the temperature regulating part 32 and the heat preservation part 33 and finally enters the heat preservation part 33 from the temperature homogenizing cavity 9 until being discharged from the air outlet 5, a plurality of temperature homogenizing plates 10 (shown in combination with fig. 3) are arranged in the temperature homogenizing cavity 9, a plurality of through holes are arranged between the adjacent temperature homogenizing plates 10 at intervals, and the through holes between the adjacent temperature homogenizing plates 10 are staggered and are not right, so that after the air enters the temperature homogenizing cavity 9, the air sequentially passes through the plurality of temperature homogenizing plates 10, and is scattered and mixed, the air with different temperatures can be mixed into the air with different temperatures, and the temperature of the heated air is accurately sensed from the temperature homogenizing cavity 9, and the temperature of the specific temperature 31 is accurately sensed from the temperature rising part is arranged in the temperature homogenizing cavity.
Referring to fig. 2 and 4, in order to reduce the flow velocity of air in the cavity 2, a wind shield 12 is arranged in the housing 1 around the cavity 2, and an air outlet cavity 13 and an air suction cavity 14 are formed between the wind shield 12 and the housing 1, in this embodiment, the air outlet cavity 13 and the air suction cavity 14 are separated from each other, and the volumes of the air outlet cavity 13 and the air suction cavity 14 are the same; the air outlet 5 is communicated with the air outlet cavity 13, the air outlet 5 is positioned on the side, close to the bottom wall 1b, of the air outlet cavity 13, the air inlet 4 is communicated with the air suction cavity 14, the air inlet 4 is positioned on the side, close to the top wall 1a, of the air suction cavity 14, a plurality of air outlet holes 15 are formed in the air baffle 12 at the air outlet cavity 13, and a plurality of air suction holes 16 are formed in the air baffle 12 at the air suction cavity 14; wherein the diameter of the air outlet hole 15 is gradually increased from the bottom wall 1b side to the top wall 1a side, and the diameter of the air suction hole 16 is gradually decreased.
Referring to fig. 4 and 5, the sample placement module 7 includes a drawer-shaped drawer 18, in this embodiment, the drawer-shaped drawer 18 is a hollow cuboid, the drawer-shaped drawer 18 is arranged away from the bottom wall 1b side and is hollow, a plurality of through holes 19 are formed in the side of the drawer-shaped drawer 18, the through holes 19 can be used for air circulation in the cavity 2, in use, a sample is placed in the drawer-shaped drawer 18, wherein a drawer opening 17 is formed in a side wall 1c, the drawer-shaped drawer 18 is slidably connected in the shell 1 through the drawer opening 17, a handle can be mounted on one side of the drawer-shaped drawer-18 outside the shell 1, the drawer-shaped drawer 18 can be driven to enter/exit the shell 1 through the handle, and when the drawer-shaped drawer-18 completely enters the shell 1, one side of the drawer-shaped drawer-18, provided with the handle, can completely block the drawer opening 17, thereby reducing air exchange inside and outside the shell 1 and improving the heat insulation effect of the shell 1.
In this embodiment, the number of the drawing boxes 18 is multiple, and the number of the drawing openings 17 is the same as that of the drawing boxes 18, and the adjacent drawing boxes 18 may be distributed in an upper-lower layer manner or a left-right manner, which is not limited, and the drawing boxes 18 may be specifically adjusted according to the use requirement, and have a friction force with the housing 1 when sliding, so that the drawing boxes 18 slide only when being pulled by a larger force.
Referring to fig. 4 and 5, one end of the drawing box 18 facing away from the cavity 2 is a drawing plate 181, a handle may be disposed on the drawing plate 181, when the drawing box 18 completely enters the interior of the casing 1, the drawing plate 181 just blocks and covers the drawing port 17 completely, when a sample is taken out, the corresponding drawing box 18 needs to be drawn out, at this time, if the sample is spilled into the drawing box 18, the sample is dropped into the outside, thereby polluting the external environment, in order to avoid this situation, a containing cavity 21 is disposed at the drawing port 17, the containing cavity 21 is disposed facing away from the side opening of the cavity 2, a folding soft curtain 20 is fixed in the containing cavity 21, the other end of the folding soft curtain 20 is fixed on the drawing plate 181, when the drawing box 18 is pulled out, the folding soft curtain 20 is pulled to be unfolded at the bottom of the drawing box 18, thereby receiving the sample dropped into the drawing box 18, when the drawing box 18 is pushed into the casing 1, the soft curtain 20 is received between the containing plate 181 and the containing cavity 21, in order to avoid this situation, the folding soft curtain 20 is completely enters the casing 1, thereby rapidly penetrating the drawing box 18, and the bottom of the casing 1 is not completely filled with the folding soft curtain 20, thereby the drawing box is completely and the bottom of the drawing box 1 is completely filled with the drawing hole 19.
In order to effectively receive the sample scattered in the drawer 18, in this embodiment, the projection of the drawer 18 on the bottom wall 1b side is located in the projection of the folded soft curtain 20 on the bottom wall 1b side, so that the receiving area of the folded soft curtain 20 is at least the same as the area covered by the through hole 19 at the bottom of the drawer 18, and thus a better receiving effect can be achieved. In this embodiment, the connection line of the two side positions of the drawing box 18 is perpendicular to the sliding direction of the drawing box 18, and the distance between the two side positions of the folding soft curtain 20, which are close to the drawing box 18, and the bottom wall 1b is greater than the distance between the two side positions of the folding soft curtain 20, which are far away from the drawing box 18, and the bottom, i.e. the horizontal height of the two side positions of the folding soft curtain 20 is higher than the horizontal height of the middle position of the folding soft curtain 20, so that the folding soft curtain 20 has a better receiving effect.
Referring to fig. 5 and 6, in the present embodiment, the folding soft curtain 20 is a bellows-shaped folding structure, the folding direction of the folding soft curtain 20 is the same as the sliding direction of the drawing box 18, that is, when the drawing box 18 is moved into and out of the housing 1, the folding soft curtain 20 will be folded or unfolded, the folding position of the folding soft curtain 20 is an arc 22, after the folding soft curtain 20 is folded, a liquid containing cavity 23 (shown in fig. 7) is formed at the folding position, the liquid containing cavity 23 is surrounded by the folding soft curtain 20 near the bottom wall 1b side, and in use, a sample falling on the folding soft curtain 20 will be stored in the liquid containing cavity 23.
Referring to fig. 5 and 7, a first abutting portion 24 and a second abutting portion 25 are provided on one side of the drawer plate 181 facing the drawer port 17, the first abutting portion 24 extends from one side to the other side of the drawer case 18, the second abutting portion 25 is located at two sides of the first abutting portion 24, when the folding soft curtain 20 is used, one end of the folding soft curtain 20 is fixed in the accommodating cavity 21, the other end of the folding soft curtain is fixed on the first abutting portion 24 and the second abutting portion 25, the length of the first abutting portion 24 is smaller than the length of the second abutting portion 25 along the sliding direction of the drawer case 18, after the drawer case 18 is pushed into the housing 1, the first abutting portion 24 and the second abutting portion 25 are abutted against the folding soft curtain 20, the first abutting portion 24 is abutted against the side of the folding soft curtain 20, which is away from the bottom wall 1b, and the second abutting portion 25 is abutted against the blocking edges 201 on two sides of the folding soft curtain 20.
Referring to fig. 6 and 7, in order to avoid the situation that the folded soft curtain 20 cannot be stored in the accommodating cavity 21 during folding, a plurality of sliding blocks 26 are arranged on the folded soft curtain 20, the sliding blocks 26 are distributed on the folded soft curtain 20 at intervals along the sliding direction of the drawing box 18, sliding grooves 27 are arranged on two sides of the drawing box 18, and the sliding blocks 26 are slidably connected in the sliding grooves 27, so when the folded soft curtain 20 is unfolded or folded, the sliding blocks 26 slide in the sliding grooves 27, and meanwhile, the folded soft curtain 20 can be smoothly unfolded and folded through the sliding blocks 26, and it can be understood that a reinforcing rod 11 is arranged in the folded soft curtain 20 along the folding direction of the vertical folded soft curtain 20, the reinforcing rod 11 is not easy to deform, and the folded soft curtain 20 is kept in a state of wrapping the bottom of the drawing box 18 through the reinforcing rod 11.
When the drawing box 18 is pushed into the shell 1 from the pulled state, the folding soft curtain 20 is gradually folded, at the moment, the sliding block 26 slides in the sliding groove 27 along with the folding of the folding soft curtain 20, the second abutting part 25 is firstly abutted against the two sides of the folding soft curtain 20 and gradually presses the flanges 201 at the two sides of the folding soft curtain 20, then the second abutting part 25 is abutted against the folding soft curtain 20 between the flanges 201 until the drawing box 18 is completely positioned in the shell 1, the second abutting part 25 completely presses the folding structure at the flanges 201, the first abutting part 24 completely presses the opening of the liquid containing cavity 23, at the moment, the samples scattered and leaked on the folding soft curtain 20 can be completely isolated in the liquid containing cavity 23, and pollution of the samples scattered and leaked during incubation to the incubated samples is avoided. When the drawer 18 is pulled open, the open side of the chamber 23 will open, which in turn will accommodate a sample that may be spilled.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. The utility model provides an ELISA alternating temperature incubator which characterized in that includes:
a housing (1) having a cavity (2) therein for accommodating a sample;
the heating assembly (3) is positioned on the shell (1) and is used for heating air in the shell (1), the heating assembly (3) is provided with an air inlet (4) and an air outlet (5), an air suction piece (6) for sucking the air in the cavity (2) into the heating assembly (3) is arranged at the air inlet (4), and the air outlet (5) is communicated with the cavity (2); and
a sample placement assembly (7) located within the cavity (2) and configured to place a sample;
wherein, heating element (3) are including the intensification portion (31), the portion that adjusts the temperature (32) and keep warm portion (33) that communicate in proper order, all be provided with in intensification portion (31), portion that adjusts the temperature (32) and the portion that keeps warm (33) and be used for heating element (8) to the air, air intake (4) are located intensification portion (31), air outlet (5) are located keep warm portion (33), the heating temperature of heating element (8) in intensification portion (31) is higher than required temperature in cavity (2), the heating temperature of heating element (8) in portion that adjusts the temperature (32) is not greater than required temperature in cavity (2), the heating temperature of heating element (8) in portion that keeps warm (33) equals required temperature in cavity (2).
2. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 1, wherein a temperature-homogenizing cavity (9) for homogenizing air is arranged between the temperature-rising part (31) and the temperature-regulating part (32) and between the temperature-regulating part (32) and the heat-preserving part (33), a plurality of temperature-homogenizing plates (10) are arranged in the temperature-homogenizing cavity (9), a plurality of through holes are formed in the temperature-homogenizing plates (10), adjacent temperature-homogenizing plates (10) are arranged at intervals, and the through holes between the adjacent temperature-homogenizing plates (10) are staggered.
3. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 1, wherein a wind deflector (12) is arranged in the shell (1) around the cavity (2), an air outlet cavity (13) and an air suction cavity (14) which are mutually separated are formed between the wind deflector (12) and the shell (1), the air outlet (5) is communicated with the air outlet cavity (13), the air inlet (4) is communicated with the air suction cavity (14), a plurality of air outlet holes (15) are formed in the wind deflector (12) at the air outlet cavity (13), and a plurality of air suction holes (16) are formed in the wind deflector (12) at the air suction cavity (14).
4. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 3, wherein the diameter of the air outlet hole (15) is gradually increased from the bottom side of the shell (1) to the top side of the shell (1), and the air outlet (5) is positioned on the bottom side of the air outlet cavity (13) close to the shell (1); the diameter of the air suction hole (16) gradually decreases from the bottom side of the shell (1) to the top side of the shell (1), and the air inlet (4) is positioned on the side, close to the top side of the shell (1), of the air suction cavity (14).
5. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 1, wherein the housing (1) comprises a top wall (1 a) and a bottom wall (1 b) which are opposite, a side wall (1 c) is arranged between the top wall (1 a) and the bottom wall (1 b), a drawing port (17) is arranged on the side wall (1 c), the sample placing component (7) comprises a drawing box (18) which is slidably arranged in the housing (1) through the drawing port (17), and when the drawing box (18) slides, the drawing box can enter/exit the housing (1) through the drawing port (17); when the drawing box (18) completely enters the shell (1), the drawing opening (17) is closed by the drawing box (18), the drawing box (18) is arranged away from the side opening of the bottom wall (1 b), and a plurality of through holes (19) are formed in the side, facing the bottom wall (1 b), of the drawing box (18).
6. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 5, wherein a folding soft curtain (20) is arranged between the end of the drawing box (18) facing the outside of the shell (1) and the opening of the drawing port (17), the folding soft curtain (20) is positioned at one side of the drawing box (18) close to the bottom wall (1 b), the projection of the drawing box (18) at the bottom wall (1 b) side is positioned in the projection of the folding soft curtain (20) at the bottom wall (1 b), and a containing cavity (21) for containing the folding soft curtain (20) is arranged at the opening of the shell (1).
7. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 6, wherein the direction of the two side positions of the drawing box (18) is perpendicular to the sliding direction of the drawing box (18), and the distance between the two side positions of the folding soft curtain (20) close to the drawing box (18) and the bottom wall (1 b) is larger than the distance between the two side positions of the folding soft curtain (20) away from the drawing box (18) and the bottom.
8. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 7, wherein the folding soft curtain (20) is of a corrugated folding structure, the folding position of the folding soft curtain (20) is arc-shaped (22), and a liquid containing cavity (23) is formed at the folding position of the folding soft curtain (20).
9. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 8, wherein a first abutting part (24) is arranged on the drawing box (18), and the first abutting part (24) is used for abutting against a folding part of the folding soft curtain (20) on the side away from the bottom wall (1 b) after the drawing box (18) completely enters the shell (1).
10. The temperature-changing incubator for enzyme-linked immunosorbent assay according to claim 9, wherein the direction of the two side positions of the folding soft curtain (20) is perpendicular to the sliding direction of the drawing box (18), a second abutting part (25) is arranged on the drawing box (18), and after the drawing box (18) completely enters the shell (1), the second abutting part (25) is used for abutting against the two side positions of the folding soft curtain (20), and the length of the second abutting part (25) is greater than that of the first abutting part (24) along the sliding direction of the drawing box (18).
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