CN209956607U - Constant temperature sample placing box - Google Patents

Abstract

A constant temperature sample placing box relates to the field of medical detection equipment and comprises a box body, wherein a heating chamber and a sample chamber are arranged in the box body, and the heating chamber and the sample chamber are separated by a partition plate; the side wall of the sample chamber is provided with a vent hole at a position close to the partition plate, and the vent hole is communicated with the heating chamber and the sample chamber. The air enters the heating chamber and then is heated by the heating device in the heating chamber, and then enters the sample chamber through the vent to keep the temperature of the sample in the sample chamber constant. Because the vent is seted up in the position that is close to the baffle, hot-air is preferred to be gathered in the sample room bottom, can ensure the temperature of sample room bottom better to reach more accurate constant temperature effect.

Description

Constant temperature sample placing box

Technical Field

The utility model relates to a medical science check out test set field particularly, relates to a case is placed to constant temperature sample.

Background

In the medical detection process, a sample to be detected is required to be preserved at constant temperature, and the active ingredients in the sample can be damaged by too large temperature fluctuation, so that detection errors are caused. The existing constant-temperature sample placing box usually adopts a mode of overall temperature control, but the internal space of the sample placing box is large, and the temperature of a local area still has large difference. For example, the existing sample storage mode generally employs test tubes for storage, then the test tubes are vertically inserted into a test tube rack, and the test tube rack is placed in a sample placement box. In this way of operation, the sample to be measured tends to concentrate on the bottom of the test tube, i.e. the bottom of the entire sample holding box, whereas according to the principle of hot air rising and cold air falling, the temperature of the bottom of the entire sample holding box is in fact slightly lower than the whole. For the above reasons, it is necessary to design a constant temperature sample storage box capable of controlling temperature more accurately according to the sample storage mode in medical detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant temperature sample places case, its storage method that can deposit in the bottom to sample among the prior art carries out the pertinence setting, makes the constant temperature effect of sample more stable, accurate.

The embodiment of the utility model is realized like this:

a constant-temperature sample placing box comprises a box body, wherein a heating chamber and a sample chamber for placing a sample are arranged in the box body, and a heating device for heating air is arranged in the heating chamber; the heating chamber is positioned below the sample chamber and is separated from the sample chamber by a partition plate; the side wall of the sample chamber is provided with a vent hole at a position close to the partition plate, and the vent hole is used for communicating the heating chamber with the sample chamber; the box body is provided with an air inlet at the position corresponding to the heating chamber.

Further, in the other preferred embodiments of the present invention, the box body is a strip-shaped whole, and the vent is a strip-shaped hole extending from one end of the box body to the other end along the length direction of the box body.

Further, in other preferred embodiments of the present invention, the sample chamber has a first side wall and a second side wall which are opposite to each other, the first side wall is provided with a first ventilation opening at a position close to the partition, the second side wall is provided with a second ventilation opening at a position close to the partition, and the first ventilation opening and the second ventilation opening are opposite to each other.

Further, in another preferred embodiment of the present invention, the partition is made of a heat conductive material, and the bottom of the partition is disposed in contact with the heating device.

Further, in other preferred embodiments of the present invention, the heating device includes a heat conducting pipeline for circulating the heat medium, the box body is provided with a heat medium inlet and a heat medium outlet, and the heat medium inlet and the heat medium outlet are respectively communicated with two ends of the heat conducting pipeline.

Further, in the other preferred embodiments of the present invention, the number of the heat conducting pipes is plural, and the plural heat conducting pipes are arranged side by side.

Further, in the other preferred embodiments of the present invention, the box body is further provided with a heat medium distribution chamber communicated with the heat medium inlet, and a heat medium recovery chamber communicated with the heat medium outlet, one end of each of the plurality of heat conduction pipes is communicated with the heat medium distribution chamber, and the other end is communicated with the heat medium recovery chamber.

Further, in other preferred embodiments of the present invention, an opening for the sample to enter and exit is disposed at the top of the sample chamber, a cover body for covering the opening is disposed at the opening, and one side of the cover body is hinged to the box body.

Further, in another preferred embodiment of the present invention, the cover is made of transparent material.

Further, in other preferred embodiments of the present invention, a temperature sensor is disposed in the sample chamber near the partition.

The embodiment of the utility model provides a beneficial effect is:

the embodiment of the utility model provides a constant temperature sample placing box, which comprises a box body, wherein a heating chamber and a sample chamber are arranged in the box body, and the heating chamber is separated from the sample chamber by a partition plate; the side wall of the sample chamber is provided with a vent hole at a position close to the partition plate, and the vent hole is communicated with the heating chamber and the sample chamber. The air enters the heating chamber and then is heated by the heating device in the heating chamber, and then enters the sample chamber through the vent to keep the temperature of the sample in the sample chamber constant. Because the vent is seted up in the position that is close to the baffle, hot-air is preferred to be gathered in the sample room bottom, can ensure the temperature of sample room bottom better to reach more accurate constant temperature effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a constant temperature sample placing box according to an embodiment of the present invention;

fig. 2 is a schematic view of a constant temperature sample holding box provided in an embodiment of the present invention at a first viewing angle;

fig. 3 is a schematic view illustrating a constant temperature sample placing box and a test tube rack provided in an embodiment of the present invention;

fig. 4 is a cross-sectional view of the constant temperature sample placing box and the test tube rack provided in the embodiment of the present invention;

fig. 5 is a schematic view of a constant temperature sample holding box provided in an embodiment of the present invention at a second viewing angle.

Icon: 100-constant temperature sample placing box; 110-a box body; 111-a first side wall; 112-a second side wall; 120-a sample chamber; 121-a separator; 122-an opening; 123-a cover body; 124-a vent; 1241-a first vent; 1242-second vent; 130-a heating chamber; 131-a heating device; 1311-heat conducting pipes; 1312-inlet for thermal medium; 1313-heat medium outlet; 1314-thermal medium distribution chamber; 1315-heat medium recovery chamber; 132-an air inlet; 200-test tube; 300-test tube rack.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work 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 stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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.

Examples

Referring to fig. 1 and 2, the present embodiment provides a constant temperature sample placing box 100, which includes a box body 110, a heating chamber 130 and a sample chamber 120 for placing a sample are disposed inside the box body 110, and a heating device 131 for heating air is disposed inside the heating chamber 130.

As shown in fig. 1 and 2, the box body 110 is generally elongated and has a first side wall 111 and a second side wall 112 disposed opposite to each other along both sides in the length direction. In this embodiment, the heating chamber 130 is located below the sample chamber 120, and is partitioned by a partition 121 disposed at the bottom of the sample chamber 120 to form a relatively independent space. An opening 122 for allowing a sample to enter and exit is formed in the top of the sample chamber 120, a cover 123 for covering the opening 122 is disposed at the opening 122, one side of the cover 123 is hinged to the box body 110, and specifically, one side of the cover 123 is hinged to the top of the first sidewall 111, so that the cover 123 can be turned upwards around the hinged side thereof, thereby exposing the opening 122 below.

In medical testing, a sample to be tested is usually loaded in the test tube 200, the test tube 200 is vertically placed in the test tube rack 300, and the actual position of the sample to be tested is at the bottom of the test tube 200, taking the way of matching the constant temperature sample placing box 100 of the present embodiment with the test tube rack 300 as an example, as shown in fig. 3 and 4, the test tube rack 300 is located in the sample chamber 120, and the test tube 200 is vertically placed on the test tube rack 300, so that the bottom of the test tube 200 contacts with the partition board 121. The heat preservation effect of the bottom space of the test tube 200 is to be ensured to ensure the constant temperature effect of the sample to be measured.

As shown in fig. 1 and 2, in the present embodiment, a vent 124 is provided on a side wall of the sample chamber 120 near the partition 121, and the vent 124 communicates the heating chamber 130 with the sample chamber 120. In the embodiment, the ventilation opening 124 is a strip-shaped hole, which is disposed along the length direction of the box body 110 and extends from one end of the box body 110 to the other end. The housing 110 is provided with an air inlet 132 at a position corresponding to the heating chamber 130. Air enters heating chamber 130 from air inlet 132 to be heated, is heated by heating device 131 in heating chamber 130, and enters sample chamber 120 through air vent 124 to keep the temperature of the sample in sample chamber 120 constant. It should be noted that, in an environment with relaxed requirement on air tightness, the sample chamber 120 may not be provided with an air outlet, and the air entering the sample chamber 120 is discharged from the gap between the opening 122 and the cover 123; in an environment with strict requirement for air tightness, a sealing means for ensuring air tightness may be added between the opening 122 and the cover 123, and then an air outlet (not shown) needs to be additionally disposed in the sample chamber 120 to maintain the air pressure balance of the sample chamber 120. Specifically, the air outlet may be disposed at an upper end of the first sidewall 111. Because the current storage mode that adopts test-tube rack 300, the sample is concentrated in the sample room 120 bottom, sets up the mode in the bottom with vent 124 through this application, can the effectual accuse temperature accuracy that ensures sample room 120 bottom, makes the sample that awaits measuring reach better constant temperature effect.

Further, in the preferred embodiment of the present invention, the first side wall 111 is provided with a first ventilation opening 1241 at a position close to the partition 121, the second side wall 112 is provided with a second ventilation opening 1242 at a position close to the partition 121, and the first ventilation opening 1241 and the second ventilation opening 1242 are disposed opposite to each other. Through the arrangement mode, the hot air respectively gushed from the first ventilation opening 1241 and the second ventilation opening 1242 can form turbulent flow in the middle area of the first ventilation opening 1241 and the second ventilation opening 1242, namely the middle area of the bottom of the sample chamber 120, and the residence time of the hot air in the area is prolonged, so that a better constant temperature effect is achieved.

In addition, in the present embodiment, the partition 121 is made of a heat conductive material, and the bottom of the partition 121 is disposed in contact with the heating device 131. The baffle 121 can play heat-conducting medium's effect, and the test tube 200 department of placing the heat direct conduction that produces heating device 131 to baffle 121 top heats test tube 200 bottom, combines hot-air convection through heat-conduction, reaches better constant temperature effect.

Further, since a flammable reagent such as alcohol is often used in medical tests, the heating device 131 does not recommend a heating wire, an electric heating plate, or the like for safety. In this embodiment, a heat medium is used for heating. Specifically, as shown in fig. 5, the heating device 131 includes a heat conduction pipe 1311 through which a heat medium flows, the case 110 is provided with a heat medium inlet 1312 and a heat medium outlet 1313, and the heat medium inlet 1312 and the heat medium outlet 1313 are respectively communicated with both ends of the heat conduction pipe 1311. The heat medium inlet 1312 is communicated with a heat medium supply device (not shown), the heat medium outlet 1313 is communicated with a heat medium recovery device (not shown), and the heat medium generated by the heat medium supply device enters the heat conducting pipeline 1311 from the heat medium inlet 1312, radiates heat through the pipeline, and then flows to the heat medium recovery device for recovery from the heat medium outlet 1313. Preferably, the heat medium may be water, silicon oil, or other common substances, and the heat medium supply device and the heat medium recovery device may be integrated into a circulation pump with the heating device 131, so as to realize the recycling of the heat medium.

Further, as shown in fig. 5, in order to increase the heat transfer area, the number of the heat conduction pipes 1311 may be provided in plurality, and the plurality of heat conduction pipes 1311 may be provided side by side. The case 110 is further provided with a thermal medium distribution chamber 1314 communicated with the thermal medium inlet 1312, and a thermal medium recovery chamber 1315 communicated with the thermal medium outlet 1313, and a plurality of heat transfer pipes 1311 each having one end communicated with the thermal medium distribution chamber 1314 and the other end communicated with the thermal medium recovery chamber 1315. The heat medium supplied from the heat medium inlet 1312 is distributed to each of the heat transfer pipes 1311 in the heat medium distribution chamber 1314, passes through the plurality of heat transfer pipes 1311, is collected in the heat medium recovery chamber 1315, and is discharged from the heat medium outlet 1313. The arrangement of the heat medium distribution chamber 1314 and the heat medium recovery chamber 1315 avoids independently conveying the heat medium for each heat conduction pipeline 1311, achieves uniform allocation of the heat medium, simplifies equipment and improves efficiency.

Optionally, in an embodiment, the cover 123 is made of a transparent material. The cover 123 made of transparent material can facilitate the user to observe the condition of the sample from the outside in real time, so as to better control the sample. Preferably, a temperature sensor (not shown) is disposed in the sample chamber 120 near the partition 121, so as to facilitate more precise control of the temperature of the area where the sample is located, and ensure the constant temperature effect of the sample.

To sum up, the embodiment of the present invention provides a constant temperature sample placing box 100, which includes a box body 110, a heating chamber 130 and a sample chamber 120 are disposed inside the box body 110, and the heating chamber 130 is separated from the sample chamber 120 by a partition 121; the sidewalls of sample chamber 120 are provided with vents 124 near partition 121, and vents 124 communicate heating chamber 130 with sample chamber 120. The air enters the heating chamber 130, is heated by the heating device 131 in the heating chamber 130, and then enters the sample chamber 120 through the vent 124 to keep the temperature of the sample in the sample chamber 120 constant. Because the vent 124 is disposed near the partition 121, the hot air is preferentially collected at the bottom of the sample chamber 120, so as to better ensure the temperature of the bottom of the sample chamber 120, thereby achieving a more precise constant temperature effect.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A constant-temperature sample placing box is characterized by comprising a box body, wherein a heating chamber and a sample chamber for placing a sample are arranged in the box body, and a heating device for heating air is arranged in the heating chamber; the heating chamber is positioned below the sample chamber, and the heating chamber is separated from the sample chamber by a partition plate; a vent is arranged on the side wall of the sample chamber at a position close to the partition plate, and the vent is used for communicating the heating chamber with the sample chamber; the box body is provided with an air inlet at a position corresponding to the heating chamber.

2. The constant-temperature sample placing box according to claim 1, wherein the box body is generally in a strip shape, and the vent is a strip-shaped hole which is arranged along the length direction of the box body and extends from one end of the box body to the other end of the box body.

3. The isothermal sample placement box according to claim 2, wherein said sample chamber has a first sidewall and a second sidewall disposed opposite to each other, said first sidewall having a first vent opening disposed adjacent to said partition, said second sidewall having a second vent opening disposed adjacent to said partition, said first vent opening and said second vent opening being disposed opposite to each other.

4. A thermostatic sample placement chamber according to claim 1, wherein the baffle is made of a thermally conductive material and the bottom of the baffle is disposed in contact with the heating means.

5. The constant-temperature sample placement box according to claim 1, wherein the heating device comprises a heat conduction pipeline for circulating a heat medium, the box body is provided with a heat medium inlet and a heat medium outlet, and the heat medium inlet and the heat medium outlet are respectively communicated with two ends of the heat conduction pipeline.

6. A thermostatic sample placement chamber according to claim 5, wherein said heat conducting conduit is in a plurality, a plurality being arranged side by side.

7. The constant-temperature sample placement box according to claim 6, wherein the box body is further provided with a heat medium distribution chamber communicating with the heat medium inlet, and a heat medium recovery chamber communicating with the heat medium outlet, and one ends of the plurality of heat conduction pipes are each communicated with the heat medium distribution chamber, and the other ends thereof are each communicated with the heat medium recovery chamber.

8. The constant-temperature sample placing box according to claim 1, wherein an opening for the sample to enter and exit is formed in the top of the sample chamber, a cover body used for covering the opening is arranged at the opening, and one side of the cover body is hinged with the box body.

9. The constant temperature sample placement box according to claim 8, wherein said cover is made of a transparent material.

10. A thermostatted sample placement box as claimed in claim 1, characterized in that a temperature sensor is provided in the sample chamber close to the partition.

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