CN211329442U - Test card incubator structure - Google Patents
Test card incubator structure Download PDFInfo
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- CN211329442U CN211329442U CN201921729487.1U CN201921729487U CN211329442U CN 211329442 U CN211329442 U CN 211329442U CN 201921729487 U CN201921729487 U CN 201921729487U CN 211329442 U CN211329442 U CN 211329442U
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- test card
- incubation cavity
- radiator
- peltier
- incubator
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Abstract
The utility model relates to a test card incubator structure, which comprises a bottom plate, a radiator, a Peltier, a fan, an incubation cavity and a control board card; the radiator is arranged on the upper surface of the bottom plate, the fan is connected with the radiator, the incubation cavity is arranged above the radiator, the Peltier is arranged between the incubation cavity and the radiator, the control panel is clamped above the incubation cavity, and the incubation cavity is used for placing and incubating a test card. The utility model discloses simple structure, the accuse temperature is respond well, and the radiating effect is good, and the touch-control is simple and convenient, and is with low costs, and the practicality is strong.
Description
Technical Field
The utility model relates to a test card incubator technical field, more specifically say and indicate a test card incubator structure.
Background
The current test card incubators generally have the following characteristics: 1. the temperature is controlled by adopting an electric heating wire or a Peltier, and the incubator with the electric heating wire type temperature control can only heat and cannot cool; the Peltier temperature control incubator can be heated up or cooled down; 2. the medium for controlling the temperature generally has 3 kinds of air heat transfer temperature control, metal heat transfer temperature control or refrigerant indirect heat transfer temperature control; 3. the incubation cavity is generally designed in an open manner, and continuous convection heat exchange can be carried out between the outside air and the air in the cavity in the incubation process; 4. the operation control of the incubator is generally realized by key operation; 5. the radiating fins and the fan are adopted to work cooperatively to radiate heat, and the high-efficiency radiating system is used for realizing rapid temperature control.
However, the existing products generally have the following problems: 1. the incubator adopting the electric heating wire for temperature control can only realize the heating function generally, and when the environment temperature is higher than the incubation temperature of the test card, the incubator can not cool and loses the temperature control function; 2. the efficiency of heat transfer and temperature control by adopting air is low, and the heat transfer efficiency of the air is low under the static condition due to the low heat conductivity coefficient, so that the rapid temperature control is difficult to realize; 3. the structure for heat transfer and temperature control by adopting a refrigerant (such as Freon) generally comprises the steps of sealing refrigerating gas in a metal pipe, transferring heat to the refrigerating gas through the metal pipe, and then forming circulation through external force or convection caused by uneven temperature of the refrigerating gas to realize exchange temperature control, wherein elements required by the design are complex to process and have higher cost; 4. after the test card is inserted into the incubation cavity of a general incubator, a larger gap is reserved between the cavity and an external channel, and in the temperature control process, convection exchange can be formed between the air inside the incubator and the external air, so that two problems are caused: 1) the convection air may accelerate the drying of the reaction liquid on the surface of the test card, and influence the chromatography effect; 2) in the cooling process and in the working state of keeping the temperature lower than the ambient temperature, as the cavity of the incubator is generally made of metal, condensed water is easily formed on the surface, and along with the convection exchange of air, if the humidity of the external air is high, moist air can form more and more condensed water in the cavity, if the condensed water drops on a test card, the chromatography result is seriously influenced, so that the test result is abnormal, and in addition, the more the condensed water in the cavity is, the higher the internal humidity is, the influence on the chromatography result is also caused; 5. adopt the incubator of metal heat conduction accuse temperature, because the rate of metal heat conduction is generally less than refrigerant or refrigerating gas, consequently under the condition of cooling, if can't dispel the heat fast, the high-efficient work of peltier will be unable, lead to the rate of cooling very low or can't drop to lower temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a test card incubator structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test card incubator structure comprises a bottom plate, a radiator, a Peltier, a fan, an incubation cavity and a control board card; the radiator is arranged on the upper surface of the bottom plate, the fan is connected with the radiator, the incubation cavity is arranged above the radiator, the Peltier is arranged between the incubation cavity and the radiator, the control panel is clamped above the incubation cavity, and the incubation cavity is used for placing and incubating a test card.
The further technical scheme is as follows: the incubation cavity is provided with a valve structure; when the test card is not inserted, the valve is closed, and when the test card is inserted into the incubation cavity, the valve is pushed open by the front end of the test card.
The further technical scheme is as follows: and a trigger switch is also arranged in the incubation cavity at the tail part of the test card, and the trigger switch is a micro switch, a contact type sensor or a reflective optical coupler.
The further technical scheme is as follows: the fan is arranged at one or more positions of the front, the rear, the lower part or the side of the radiator.
The further technical scheme is as follows: the radiator consists of metal radiating fins and cooling liquid; the outer surface of the metal radiating fin is of a multi-strip structure, and the interior of the metal radiating fin is hollow and is used for filling the cooling liquid.
The further technical scheme is as follows: the upper surface of the Peltier is connected with the bottom surface of the incubation cavity, and the lower surface of the Peltier is connected with the upper surface of the radiator.
The further technical scheme is as follows: the upper surface of the Peltier, the bottom surface of the incubation cavity and the joint of the lower surface of the Peltier and the upper surface of the radiator are provided with heat-conducting silicone layers.
The further technical scheme is as follows: and an indicator light is also arranged on the control board card.
The further technical scheme is as follows: and the control board card is also provided with a touch control board.
The further technical scheme is as follows: the bottom plate is also provided with a power supply for supplying power.
Compared with the prior art, the utility model beneficial effect be: simple structure, temperature control effect is good, and the radiating effect is good, and the touch-control is simple and convenient, and is with low costs, and the practicality is strong.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a structural diagram of a test card incubator according to the present invention;
fig. 2 is a schematic diagram of the exploded structure of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 2, the present invention discloses a test card incubator structure, which comprises a bottom plate 10, a heat sink 20, a peltier 30, a fan 40, an incubation cavity 50, and a control board 60; the heat sink 20 is disposed on the upper surface of the base plate 10, the fan 40 is coupled to the heat sink 20, the incubation cavity 50 is disposed above the heat sink 20, the peltier 30 is disposed between the incubation cavity 50 and the heat sink 20, the control board 60 is disposed above the incubation cavity 50, and the incubation cavity 50 is used for placing and incubating the test card 70.
Wherein, this test card incubator simple structure, and be convenient for production.
Specifically, as shown in fig. 1 to 2, the incubation chamber 50 is provided with a valve structure (not shown in the drawings); when the test card 70 is not inserted, the valve is closed, when the test card 70 is inserted into the incubation cavity 50, the valve is pushed open by the front end of the test card 70, but because the valve has a spring structure, after the test card 70 enters the cavity, the upper hinge and the lower hinge of the valve can be attached to the upper surface and the lower surface of the test card 70 at a certain angle (3-30 degrees), a closed space is formed jointly, the reaction area of the test card 70 is subjected to temperature control incubation in the closed cavity, the closed structure can effectively prevent the air in the cavity and the outside air from forming convection due to temperature difference, avoid the chromatography strips of the test card 70 from being dried and affecting the test effect, improve the uniformity of the temperature inside the cavity, and simultaneously can effectively reduce the formation of water drops in the cavity due to condensation under the low-temperature condition to affect or destroy the reaction components in the test card 70.
In the embodiment, a trigger switch (not shown in the figure) is further disposed inside the incubation cavity 50 at a position at the tail of the test card 70, and an indicator light (not shown in the figure) is further disposed on the control board 60, where the trigger switch is a micro switch, a contact sensor, or a reflective optical coupler, and when the test card 70 is inserted into the cavity and the trigger switch is turned on, the incubation timing is automatically started, and after the incubation time is over, the indicator light reminds the user to take out the test card 70 through a color change or a flashing mode, which is simple and practical.
In the present embodiment, the fan 40 is disposed in one or more directions of the front, the rear, the lower, or the side of the heat sink 20, and is used for guiding away the heat conducted by the heat sink 20; fan 40's size, power and quantity have great influence to the radiating effect, need carry out reasonable selection according to the target temperature and the speed of accuse temperature, fan 40's size, power and quantity also can influence the operating noise of complete machine, generally through design optimization, it is better to make fan 40 power and quantity the less, simultaneously in order to make the air convection heat transfer effect better, in this embodiment, still the design has the wind channel 41 that carries out the restriction to the flow direction of air current, the design of wind channel 41 can make gas flow smooth and easy and concentrate, improve radiating effect.
Specifically, as shown in fig. 1 to 2, the radiator 20 is used for conducting away heat generated by the hot surface of the peltier 30 when the peltier 30 is used for cooling, and maintaining the cooling efficiency of the peltier 30; in the present embodiment, the heat sink 20 is composed of metal heat dissipation fins and a cooling liquid; the radiating fins are made of metal with good heat conducting performance and can be made of aluminum alloy, copper alloy, stainless steel and the like, the outer surfaces of the radiating fins are of a plurality of strip-shaped structures and are used for increasing the radiating area and improving the radiating efficiency, the inner parts of the radiating fins are hollowed (hollow) and used for filling cooling liquid, the cooling liquid can be conventional refrigerants such as water, alcohol and dichloromethane, and the cooling effect is good.
Specifically, as shown in fig. 1 to 2, in the present embodiment, the peltier 30 is used as a temperature control element, the peltier 30 can realize heating or cooling of a temperature control surface by switching the direction of current, the upper surface of the peltier 30 is coupled to the bottom surface of the incubation cavity 50, and the lower surface is coupled to the upper surface of the heat sink 20; the joints of the upper surface of the peltier element 30 and the bottom surface of the incubation cavity 50 and the lower surface of the peltier element 30 and the upper surface of the heat sink 20 are provided with heat-conducting silicone layers (not shown in the figure), so that the heat conduction speed is improved; in the present embodiment, the peltier 30 is connected to the incubation cavity 50 and the heat sink 20 by adhesion; the surface of the peltier element 20, which is attached to the incubation cavity 50, may be heated or cooled, and the control board 60 controls the peltier element 30 to perform heating or cooling and output power and time of the heating or cooling operation through temperature feedback of a temperature sensor (not shown) embedded in the incubation cavity 50.
In the present embodiment, the control board 60 is further provided with a touch panel (not shown), and the principle is that a touch circuit board is disposed under plastic, when a finger touches the plastic on the surface of the touch circuit board, the sensed capacitance changes, and a control signal is triggered; this scheme can reduce the structure complexity of button touch-control scheme, simultaneously because the electric capacity touch-control mode is comparatively sensitive, and operating comfort is higher, can improve the incorruptibility of control scheme simultaneously.
Wherein, a power supply is further arranged on the bottom plate 10 for supplying power.
To sum up, the utility model discloses simple structure, the accuse temperature is effectual, and the radiating effect is good, and the touch-control is simple and convenient, and is with low costs, and the practicality is strong.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A test card incubator structure is characterized by comprising a bottom plate, a radiator, a Peltier, a fan, an incubation cavity and a control board card; the radiator is arranged on the upper surface of the bottom plate, the fan is connected with the radiator, the incubation cavity is arranged above the radiator, the Peltier is arranged between the incubation cavity and the radiator, the control panel is clamped above the incubation cavity, and the incubation cavity is used for placing and incubating a test card.
2. A test card incubator construction according to claim 1 wherein the incubation cavity is provided with a valve construction; when the test card is not inserted, the valve is closed, and when the test card is inserted into the incubation cavity, the valve is pushed open by the front end of the test card.
3. The test card incubator structure according to claim 1, wherein a trigger switch is further disposed inside the incubation cavity at a position of the tail of the test card, and the trigger switch is a micro switch, a contact sensor or a reflective optical coupler.
4. The test card incubator structure of claim 1, wherein the fan is disposed at one or more of a front, a rear, a lower, or a side of the heat sink.
5. The test card incubator structure of claim 1, wherein the heat sink is comprised of metal heat fins and a cooling fluid; the outer surface of the metal radiating fin is of a multi-strip structure, and the interior of the metal radiating fin is hollow and is used for filling the cooling liquid.
6. A test card incubator construction according to claim 1, wherein the upper surface of the peltier element is coupled to the floor of the incubation cavity and the lower surface is coupled to the upper surface of the heat sink.
7. A test card incubator construction according to claim 6, characterised in that the junction of the upper surface of the Peltier and the floor of the incubation cavity, and the lower surface of the Peltier and the upper surface of the heat sink, are provided with a layer of thermally conductive silicone.
8. The test card incubator structure of claim 1, wherein the control board card is further provided with an indicator light.
9. The test card incubator structure of claim 1, wherein the control board card is further provided with a touch pad.
10. The test card incubator structure of claim 1, wherein the base plate further comprises a power source for supplying power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729487.1U CN211329442U (en) | 2019-10-15 | 2019-10-15 | Test card incubator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729487.1U CN211329442U (en) | 2019-10-15 | 2019-10-15 | Test card incubator structure |
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| Publication Number | Publication Date |
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| CN211329442U true CN211329442U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921729487.1U Active CN211329442U (en) | 2019-10-15 | 2019-10-15 | Test card incubator structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114281127A (en) * | 2021-12-22 | 2022-04-05 | 广州蓝勃生物科技有限公司 | Reagent card incubation system, reagent card incubation method and storage medium |
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2019
- 2019-10-15 CN CN201921729487.1U patent/CN211329442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114281127A (en) * | 2021-12-22 | 2022-04-05 | 广州蓝勃生物科技有限公司 | Reagent card incubation system, reagent card incubation method and storage medium |
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