CN218336996U - Refrigerating device of full-automatic biochemical analyzer - Google Patents
Refrigerating device of full-automatic biochemical analyzer Download PDFInfo
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- CN218336996U CN218336996U CN202222651809.3U CN202222651809U CN218336996U CN 218336996 U CN218336996 U CN 218336996U CN 202222651809 U CN202222651809 U CN 202222651809U CN 218336996 U CN218336996 U CN 218336996U
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- biochemical analyzer
- automatic biochemical
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Abstract
The utility model discloses a refrigerating device of a full-automatic biochemical analyzer, which comprises a semiconductor refrigerating sheet, a fin radiating block and a fan; the fin radiating block is connected with one side of the semiconductor refrigerating sheet for radiating; the fin radiating block is internally provided with a channel which is used for being communicated with a water pipe to form water circulation and radiating; the fan is arranged at the bottom of the fin radiating block. The water-cooled utilization further improves the radiating efficiency on the basis of air-cooled heat dissipation, so that the temperature in the reagent tray can be further reduced, the temperature requirement of the reagent is met, and the working efficiency of the device is improved.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to refrigerating plant of full-automatic biochemical analyzer.
Background
The technical field of medical appliances generally adopts a semiconductor refrigerating sheet for refrigeration. Semiconductor refrigeration, also known as electronic refrigeration or thermoelectric refrigeration, is a subject developed in the 50 s, which is located at the edge of refrigeration technology and semiconductor technology, and utilizes a P-N junction formed by special semiconductor materials to form a thermocouple pair to generate a Peltier effect, namely a novel refrigeration method by direct current refrigeration, so that a semiconductor refrigeration sheet is also called a Peltier. The semiconductor refrigerating chip is operated by using direct current, which can refrigerate and heat, and the refrigeration or heating is realized on the same refrigerating chip by changing the polarity of the direct current, and the effect is generated by the thermoelectric principle, for example, as shown in figure 1, the semiconductor refrigerating chip is a single-chip refrigerating chip and consists of two ceramic chips, wherein N-type and P-type semiconductor materials (bismuth telluride) are arranged between the two ceramic chips, and the semiconductor element is connected in series on a circuit. When an N-type semiconductor material and a P-type semiconductor material are connected to form a galvanic couple pair, energy transfer can be generated after direct current is switched on in the circuit, the current flows from the N-type element to the joint of the P-type element to absorb heat to form a cold end, and flows from the P-type element to the joint of the N-type element to release heat to form a hot end. The magnitude of the heat absorption and release is determined by the magnitude of the current and the logarithm of the elements of semiconductor material N, P. The inside of the refrigerating sheet is a thermopile formed by coupling hundreds of pairs of electric couples, so as to achieve the effect of enhancing refrigeration (heat dissipation).
The semiconductor refrigeration principle mainly comes from the temperature difference between the two ends of the N pole and the P pole, and the temperature difference value determines the refrigeration effect. The semiconductor refrigerating sheet needs heat dissipation in a refrigerating process, the better the heat dissipation effect is, and the better the refrigerating effect can be achieved. The semiconductor refrigeration piece is extremely high in heat dissipation requirement, does not connect a heat dissipation device at normal temperature, and has the possibility of damaging internal elements after being connected with a direct current power supply, so that the whole semiconductor refrigeration piece is burnt out. At present, the heat dissipation of the semiconductor refrigeration piece in the market is mainly air cooling heat dissipation, heat is conducted to the metal module, the metal module is provided with a plurality of fins, and meanwhile, a fan is connected to blow and dissipate heat of the whole metal module.
The full-automatic biochemical analyzer uses a plurality of reagents in the using process, and part of the reagents need to be kept in a certain low-temperature state before being used. The rotating shaft of the full-automatic biochemical analyzer is provided with a placing position for installing a medicament. The place of placement will be provided with a refrigeration device for maintaining the low temperature state of the reagent. Because the existing air-cooled heat dissipation efficiency is low and the problem of insufficient heat dissipation exists, the low temperature of the whole refrigerating device is difficult to meet the requirement of a reagent, and the use of a full-automatic biochemical analyzer is easily influenced.
Disclosure of Invention
Therefore, the to-be-solved technical problem of the utility model lies in overcoming prior art, and the refrigerating plant of reagent dish adopts the semiconductor refrigeration piece to refrigerate, and the refrigeration piece is simultaneously refrigerated and is dispelled the heat, and the cooling surface adopts the forced air cooling to dispel the heat, and the heat dissipation is not enough to a refrigerating plant of full-automatic biochemical analyzer is provided.
A refrigerating device of a full-automatic biochemical analyzer comprises a semiconductor refrigerating sheet, a fin radiating block and a fan;
the fin radiating block is connected with one side of the semiconductor refrigerating sheet for radiating;
a channel is arranged in the fin radiating block and is used for being communicated with a water pipe to form water circulation and radiating; the fan is arranged at the bottom of the fin radiating block.
Further, the device also comprises a reagent sample cavity and heat preservation foam;
the semiconductor refrigerating sheet is horizontally arranged on the top surface of the fin radiating block and can be electrically connected with a power supply;
the reagent sample cavity is connected with one side of the semiconductor refrigerating sheet for refrigerating;
the heat preservation foam is sleeved on the outer side of the reagent sample cavity, an opening is formed in the bottom of the reagent sample cavity, and the size of the opening is suitable for installation of the semiconductor refrigeration piece.
Furthermore, the semiconductor refrigeration piece is in a cuboid shape, and one side of the semiconductor refrigeration piece is provided with two connecting ends used for being electrically connected with a power supply.
Further, the heat insulation cotton is also included;
the heat insulation cotton comprises a first heat insulation strip and a second heat insulation strip;
the first heat insulation strip is arranged between the two connecting ends;
one end of the second heat insulation strip is abutted against one side of the connecting end, and the other end of the second heat insulation strip extends along the peripheral side wall of the semiconductor refrigeration sheet and is abutted against one side of the connecting end.
Further, the fan comprises fan blades, a mounting rack and a motor;
the fan blades are connected with the motor, the motor and the fan blades are arranged in the mounting rack, and the motor is electrically connected with a power supply;
the mounting bracket and the fin radiating block are detachably connected.
Further, the water pipe joint is also included;
the water pipe connectors are arranged at openings at two ends of the fin radiating block channel and are used for being connected with the water pipes.
Further, the reagent sample cavity and the fin radiating block are both made of metal.
Further, the bottom of the reagent sample cavity is provided with a mounting hole, and the mounting hole is used for a transmission shaft of the full-automatic biochemical analyzer to penetrate through and is fixedly connected with the transmission shaft.
Further, the fan is connected with the fin radiating block through screws.
Further, the screw is made of plastic or a plastic gasket for heat insulation is arranged on the screw.
Has the advantages that: the utility model discloses on prior art adopts the radiating basis of forced air cooling, added the hydrologic cycle heat dissipation, the radiating efficiency of hydrologic cycle is higher, and the heat dissipation is comparatively stable simultaneously. The utilization of water cooling further improves the heat dissipation efficiency of the semiconductor refrigerating sheet on the basis of air cooling heat dissipation, so that the low temperature of the refrigerating device can be further reduced, and the low temperature requirement of the reagent can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a semiconductor refrigeration board structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a fin heat dissipation block according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the heat insulation cotton according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a top view of a reagent sample chamber according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the thermal insulation foam according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a fan according to an embodiment of the present invention.
Description of reference numerals:
1. a semiconductor refrigeration sheet; 11. a connecting end; 2. heat insulation cotton; 21. a first heat insulating strip; 22. a second insulating strip; 3. a fin heat dissipation block; 4. a water pipe joint; 5. a fan; 51. a mounting frame; 52. a fan blade; 6. a reagent sample chamber; 7. and (4) insulating foam.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-7, a refrigerating device of a full-automatic biochemical analyzer comprises a semiconductor refrigerating plate 1, heat insulation cotton 2, a fin radiating block 3, a fan 5, heat preservation foam 7 and a reagent sample cavity 6.
As shown in fig. 2, the semiconductor cooling plate 1 is in a rectangular shape and horizontally disposed, and two connection ends 11 for communicating with a power supply are disposed on one side surface of the semiconductor cooling plate. In order to distinguish the refrigerating surface from the heat radiating surface, the refrigerating surface is marked with characters or identified in other ways.
As shown in fig. 1 and 3, the finned heat dissipating block 3 is made of metal. The middle part of the fin radiating block 3 is provided with a plurality of vertical fins which are arranged at intervals. And a channel which is connected with a water pipe and forms water circulation is arranged on the fin radiating block 3. The openings at the two ends of the channel are arranged on the same side face of the fin radiating block 3, and the opening is provided with a water pipe joint 4 for connecting a water pipe. The semiconductor refrigeration piece 1 is horizontally arranged on the top surface of the fin radiating block 3, and the radiating surface is abutted against the fin radiating block 3. The bottom of the fin radiating block 3 is provided with a fan 5. The water pipe is provided with corresponding electric appliances and pump valves to ensure the water circulation.
In this embodiment, the fin heat dissipation block 3 is made of metal, the metal conducts heat quickly, the temperature of the heat dissipation surface of the semiconductor refrigeration sheet 1 is conducted to each part of the fin heat dissipation block 3, and the heat dissipation efficiency of the heat dissipation surface is improved in an air cooling mode through blowing of the fan 5, so that the refrigeration effect of the semiconductor refrigeration sheet 1 is improved. However, the air cooling heat dissipation efficiency is limited and not high. The water cooling for heat dissipation is carried out by water circulation, the heat dissipation is stable, and the heat dissipation efficiency is high. The combination of air cooling and water cooling greatly improves the heat dissipation effect of the whole device.
As shown in fig. 1, 2 and 4, the thermal insulation wool 2 includes a first thermal insulation strip 21 and a second thermal insulation strip 22. The heat insulation cotton 2 is arranged outside the periphery of the semiconductor refrigeration sheet 1. First heat insulating strip 21 sets up between two link 11, and second heat insulating strip 22 one end and a link 11 butt, the other end extends along semiconductor refrigeration piece 1 peripheral lateral wall to with another link 11 butt.
In this embodiment, the arrangement of the heat insulation cotton 2 avoids the influence of air on the temperature difference between the refrigerating surface and the heat radiating surface of the semiconductor refrigerating sheet 1, and can further ensure the refrigerating effect of the semiconductor refrigerating sheet 1.
As shown in fig. 1, fig. 2 and fig. 5, the reagent sample chamber 6 is cylindrical, and the bottom of the reagent sample chamber is provided with a mounting hole for a transmission shaft of the full-automatic biochemical analyzer to pass through, and the reagent sample chamber 6 is fixedly mounted on the transmission shaft. The bottom surface of the reagent sample cavity 6 is connected with the refrigerating surface of the semiconductor refrigerating sheet 1. The reagent sample chamber 6 is made of metal to facilitate the transfer of low temperatures. Reagent can be placed between the inner wall of the mounted reagent sample cavity 6 and the transmission shaft, and the low-temperature state of the reagent is maintained by transferring the low temperature produced by the semiconductor refrigeration sheet 1.
In this embodiment, the reagent sample chamber 6 is made of metal, which facilitates conduction and low temperature maintenance. Meanwhile, the whole device is arranged on the transmission shaft, so that the use of the device is facilitated. Meanwhile, the area of the refrigerating surface is enlarged by changing the phase of the reagent sample cavity 6, and the internal temperature is lower than the external temperature, so that the reagent is convenient to store.
As shown in fig. 1, 2, 4, 5 and 6, the thermal insulation foam 7 is in a cylindrical shape and is sleeved outside the reagent sample cavity 6, an opening for placing and installing the thermal insulation cotton 2 and the semiconductor refrigeration sheet 1 is formed in the bottom of the thermal insulation foam, and holes corresponding to the positions and the diameters of the installation holes in the bottom of the reagent sample cavity 6 are formed in the bottom of the thermal insulation foam. After the heat preservation foam 7 is installed, the height of the top edge is higher than or equal to that of the top edge of the reagent sample cavity 6.
In this embodiment, the setting of heat preservation foam 7 has avoided reagent sample chamber 6 and outside air to carry out the temperature exchange, is convenient for keep the temperature in reagent sample chamber 6, more is favorable to storing reagent.
As shown in fig. 1, 3 and 7, the fan 5 includes a mounting frame 51, a motor, and fan blades 52. The motor is fixedly mounted on the mounting bracket 51 and is electrically connected to a power source. The output end of the motor is connected with fan blades 52. The mount 51 is attached to the fin block 3 by screws. The screws are made of plastic or plastic washers are arranged between the screws and the mounting bracket 51. Arrows for indicating directions are carved on the shape rack, and the directions of the arrows represent wind directions. When installed, the direction of the arrow should be directed towards the finned heat sink 3.
In this embodiment, the screw is made of plastic or is provided with a plastic gasket, and can be used for heat insulation.
In the device, all power supplies which need to be connected and used are direct current power supplies.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A refrigerating device of a full-automatic biochemical analyzer comprises a semiconductor refrigerating plate (1), a fin radiating block (3) and a fan (5);
the fin radiating block (3) is connected with one side, used for radiating, of the semiconductor refrigerating sheet (1);
it is characterized in that a channel is arranged in the fin radiating block (3)，The water pipe is used for communicating with a water pipe to form water circulation and radiating heat; the fan (5) is arranged at the bottom of the fin radiating block (3).
2. The refrigerating device of a full-automatic biochemical analyzer according to claim 1, further comprising a reagent sample chamber (6) and an insulating foam (7);
the semiconductor refrigerating sheet (1) is horizontally arranged on the top surface of the fin radiating block (3) and can be electrically connected with a power supply;
the reagent sample cavity (6) is connected with one surface of the semiconductor refrigerating sheet (1) for refrigerating;
the heat preservation foam (7) is sleeved on the outer side of the reagent sample cavity (6), an opening is formed in the bottom of the heat preservation foam, and the size of the opening is suitable for installation of the semiconductor refrigeration piece (1).
3. The refrigerating device of a full-automatic biochemical analyzer according to claim 2, wherein the semiconductor refrigerating plate (1) is in a cuboid shape, and one side of the semiconductor refrigerating plate is provided with two connecting terminals (11) for electrically connecting with a power supply.
4. The refrigerating device of a full-automatic biochemical analyzer according to claim 3, further comprising heat insulation cotton (2);
the heat insulation cotton (2) comprises a first heat insulation strip (21) and a second heat insulation strip (22);
the first heat insulation strip (21) is arranged between the two connecting ends (11);
one end of the second heat insulation strip (22) is abutted against one side of the connecting end (11), and the other end of the second heat insulation strip extends along the peripheral side wall of the semiconductor refrigeration sheet (1) and is abutted against the other side of the connecting end (11).
5. The refrigerating device of a full-automatic biochemical analyzer according to claim 1, wherein the fan (5) comprises fan blades (52), a mounting frame (51) and a motor;
the fan blade (52) is connected with the motor, the motor and the fan blade (52) are installed in the mounting frame (51), and the motor is electrically connected with a power supply;
the mounting rack (51) is detachably connected with the fin radiating block (3).
6. The refrigerating device of a full-automatic biochemical analyzer according to claim 1, further comprising a water pipe connector (4);
the water pipe connectors (4) are arranged at openings at two ends of the channel of the fin radiating block (3) and are used for being connected with the water pipes.
7. The refrigerating device of a full-automatic biochemical analyzer according to claim 2, wherein the reagent sample chamber (6) and the fin heat sink (3) are made of metal.
8. The refrigerating device of a full-automatic biochemical analyzer according to claim 2, wherein the bottom of the reagent sample chamber (6) is provided with a mounting hole for a transmission shaft of the full-automatic biochemical analyzer to pass through and fixedly connect with.
9. The refrigerating device of the full-automatic biochemical analyzer according to claim 1, wherein the fan (5) is connected with the fin heat dissipation block (3) by screws.
10. The refrigerating device of a full-automatic biochemical analyzer according to claim 9, wherein the screws are made of plastic or plastic gaskets are disposed on the screws for heat insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222651809.3U CN218336996U (en) | 2022-10-10 | 2022-10-10 | Refrigerating device of full-automatic biochemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222651809.3U CN218336996U (en) | 2022-10-10 | 2022-10-10 | Refrigerating device of full-automatic biochemical analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218336996U true CN218336996U (en) | 2023-01-17 |
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ID=84822539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222651809.3U Active CN218336996U (en) | 2022-10-10 | 2022-10-10 | Refrigerating device of full-automatic biochemical analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218336996U (en) |
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2022
- 2022-10-10 CN CN202222651809.3U patent/CN218336996U/en active Active
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