CN101504220A - Semiconductor refrigerator - Google Patents
Semiconductor refrigerator Download PDFInfo
- Publication number
- CN101504220A CN101504220A CNA2009100470398A CN200910047039A CN101504220A CN 101504220 A CN101504220 A CN 101504220A CN A2009100470398 A CNA2009100470398 A CN A2009100470398A CN 200910047039 A CN200910047039 A CN 200910047039A CN 101504220 A CN101504220 A CN 101504220A
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- heat exchanger
- pump
- refrigeration chip
- semiconductor refrigeration
- fan
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Abstract
The invention provides a semiconductor refrigerator, which comprises a plate cover, a sealing ring, an insulating layer, a refrigerating chamber, a temperature sensor, a semiconductor refrigeration chip, a heat absorption box, a heat exchanger, a pump, a fan, pipes, an air duct and a refrigerant, wherein the semiconductor refrigeration chip and the heat absorption box are arranged in the insulating layer at the bottom of a reagent plate, the other side of the heat absorption box is provided with two pipes, one pipe is connected with the pump, and the other pipe is connected with the heat exchanger; and the heat exchanger is wound in a spiral shape with a pipe, the other end of the heat exchanger is connected with the pump through a pipe, one side of the heat exchanger is provided with the fan, and the other side of the fan is provided with the air duct extending to the outside of an apparatus. The semiconductor refrigerator makes a full use of the internal space of a biochemical analyzer, and the refrigerator is arranged in a space under the reagent plate, so the apparatus is more reasonable in structure and obvious in refrigerating effect.
Description
Technical field
The present invention relates to the small-type refrigeration appliance of instrument internal, particularly a kind of semiconductor cooling device.
Background technology
In Biochemistry Experiment and medical clinical diagnosis, generally adopt Biochemical Analyzer, in sample (as body fluid such as blood, urine), add all ingredients generation chemical reaction, can carry out check and analysis to the component ratio in the sample.According to the test condition requirement, be placed in the reagent in the reagent dish of Biochemical Analyzer, must be kept in 2～8 ℃ the temperature environment.In order to reach this temperature environment, as shown in Figure 1; Several semiconductor refrigeration chips 6 ' are installed in the heat-insulation layer 3 ' of reagent dish side, and small-sized fans 10 ' is installed in the relevant position around again, to the fin 7 ' of semiconductor refrigeration chip 6 ', reaches the purpose of cooling sheet 7 ' by air cooling.But there are the following problems for this type of cooling: 1. sample disc, reagent dish, reaction tray, rabbling mechanism etc. are installed on the working face of Biochemical Analyzer, add cooling fan and make the more apparent complexity of its structure, make each mechanism's Installation and Debugging very loaded down with trivial details; 2. the fin area is little, and cooling efficient is low; 3. heat produced by cooling device is not discharged to the instrument outside, and flows in instrument internal, produces noise, temperature interference for the proper testing of other parts, can't accurately control the chilling temperature of reagent dish yet.
Summary of the invention
The present invention improves existing semiconductor cooling device in order to solve the wayward existing technical problem of reagent cryogenic temperature in the existing Biochemical Analyzer.
According to above-mentioned purpose, the invention provides a kind of semiconductor cooling device, comprise disk cover, sealing ring, heat-insulation layer, refrigerating chamber, temperature sensor, semiconductor refrigeration chip, also comprise endothermic box, heat exchanger, pump, fan, pipeline, air channel and cold-producing medium; Wherein semiconductor refrigeration chip and endothermic box are installed in reagent and try to get to the heart of a matter in the heat-insulation layer of face, and the chill surface of semiconductor refrigeration chip contacts with refrigerating chamber, and its radiating surface contacts with endothermic box; Wherein the endothermic box another side is equipped with two pipelines, and one is connected with pump, and another root is connected with heat exchanger; Wherein heat exchanger is by the pipe spirally-wound, and its other end is connected with pump by pipeline, one side heat exchanger be mounted with fan, another side is equipped with the air channel, the instrument outside is led in the air channel.
Said apparatus, wherein the quantity of semiconductor refrigeration chip can be selected according to the chilling temperature of reagent dish needs.
The present invention makes full use of the inner space of Biochemical Analyzer owing to taked above technical measures, and refrigerating plant is installed in the space of reagent dish bottom, makes apparatus structure more reasonable, and refrigeration is more remarkable.
Description of drawings
Fig. 1 is the structural representation of available reagent dish refrigerating plant.
Fig. 2 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 2, the invention provides a kind of reagent dish semiconductor cooling device of Biochemical Analyzer, comprise disk cover 1, sealing ring 2, heat-insulation layer 3, refrigerating chamber 4, temperature sensor 5, semiconductor refrigeration chip 6, also comprise endothermic box 7, heat exchanger 8, pump 9, fan 10, pipeline 11, air channel 12 and cold-producing medium, wherein semiconductor refrigeration chip 6 and endothermic box 7 are installed in reagent and try to get to the heart of a matter in the heat-insulation layer 3 of face, the chill surface of semiconductor refrigeration chip 6 is contacted with refrigerating chamber 4, and its radiating surface contacts with endothermic box 7.Space in reagent dish bottom, wherein endothermic box 7 outsides are equipped with 11, one in two pipelines and are connected with heat exchanger 8, and another root is connected with pump 9; Wherein heat exchanger 8 is by pipe coiling shape, has increased heat exchange area, and the other end of its pipe is connected with pump 9 by pipeline 11, one side heat exchanger 8 be mounted with fan 10, another side is equipped with air channel 12, the instrument outside is led in air channel 12.This structure seems the biochemical instruments workbench and has succinctly also made full use of the biochemical instruments inner space.
Wherein the quantity of semiconductor refrigeration chip 6 can be selected according to the chilling temperature of reagent dish needs, evenly is installed in the reagent face of trying to get to the heart of a matter, and generally installs 3～4 and gets final product.
After refrigerating plant starts, semiconductor refrigeration chip 6 energising refrigeration, pump 9 circulates by pipeline 11 cold-producing medium (employing freezing liquid) in endothermic box 7, heat exchanger 8, cold-producing medium is taken away the heat that semiconductor refrigeration chip 6 produces in endothermic box 7, and deliver in the heat exchanger 8, when the cold-producing medium of high temperature passes through helical heat exchanger 8, under the air cooling of fan 10, lower the temperature, by pump 9 refrigerant of low temperature is delivered in the endothermic box 7 by pipeline 11 again.So circulate, can make that temperature remains on 2～8 ℃ in the reagent dish.The heat that is produced by high temperature refrigerant in the heat exchanger 8 is discharged to the instrument outside by air channel 12 under the driving of fan 10, also can prevent that the dust of instrument internal from polluting the optical lens generation of instrument because of air flows simultaneously.
Claims (2)
1. semiconductor cooling device, comprise disk cover (1), sealing ring (2), heat-insulation layer (3), refrigerating chamber (4), temperature sensor (5), semiconductor refrigeration chip (6), it is characterized in that: also comprise endothermic box (7), heat exchanger (8), pump (9), fan (10), pipeline (11), air channel (12) and cold-producing medium, wherein semiconductor refrigeration chip (6) and endothermic box (7) are installed in reagent and try to get to the heart of a matter in the heat-insulation layer (3) of face, the chill surface of semiconductor refrigeration chip (6) is contacted with refrigerating chamber (4), and its radiating surface contacts with endothermic box (7); Wherein endothermic box (7) outside is equipped with two pipelines (11), and one is connected with heat exchanger (8), and another root is connected with pump (9); Wherein heat exchanger (8) is by pipe coiling shape, and the other end of its pipe is connected with pump (9) by pipeline (11), heat exchanger (8) one side be mounted with fan (10), another side is equipped with air channel (12), air channel (12) lead to the instrument outside.
2. a kind of semiconductor cooling device according to claim 1 is characterized in that: wherein the quantity of semiconductor refrigeration chip (6) can be selected according to the chilling temperature of reagent dish needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100470398A CN101504220A (en) | 2009-03-05 | 2009-03-05 | Semiconductor refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100470398A CN101504220A (en) | 2009-03-05 | 2009-03-05 | Semiconductor refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101504220A true CN101504220A (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100470398A Pending CN101504220A (en) | 2009-03-05 | 2009-03-05 | Semiconductor refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101504220A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682963A (en) * | 2012-05-23 | 2012-09-19 | 武陟县电业总公司 | Semiconductor refrigeration transformer |
| CN104613710A (en) * | 2015-01-20 | 2015-05-13 | 苏州华爱电子有限公司 | Electronic refrigeration device used for water dispenser for box water |
| CN105226518A (en) * | 2015-09-24 | 2016-01-06 | 李聪 | A kind of electric power cabinet |
| CN109186052A (en) * | 2018-10-30 | 2019-01-11 | 桂林优利特医疗电子有限公司 | Urine Analyzer thermostatically-controlled equipment and method |
| CN109883805A (en) * | 2019-03-29 | 2019-06-14 | 深圳市亚辉龙生物科技股份有限公司 | Reagent refrigerating plant and method |
| WO2021103783A1 (en) * | 2019-11-26 | 2021-06-03 | 苏州长光华医生物医学工程有限公司 | Chemiluminescence immunoassay analyzer and cooling circulation system thereof, and fault monitoring method |
-
2009
- 2009-03-05 CN CNA2009100470398A patent/CN101504220A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682963A (en) * | 2012-05-23 | 2012-09-19 | 武陟县电业总公司 | Semiconductor refrigeration transformer |
| CN102682963B (en) * | 2012-05-23 | 2016-04-27 | 国家电网公司 | A kind of semiconductor refrigeration transformer |
| CN104613710A (en) * | 2015-01-20 | 2015-05-13 | 苏州华爱电子有限公司 | Electronic refrigeration device used for water dispenser for box water |
| CN105226518A (en) * | 2015-09-24 | 2016-01-06 | 李聪 | A kind of electric power cabinet |
| CN109186052A (en) * | 2018-10-30 | 2019-01-11 | 桂林优利特医疗电子有限公司 | Urine Analyzer thermostatically-controlled equipment and method |
| CN109186052B (en) * | 2018-10-30 | 2024-04-30 | 桂林优利特医疗电子有限公司 | Constant temperature control device and method for urine analyzer |
| CN109883805A (en) * | 2019-03-29 | 2019-06-14 | 深圳市亚辉龙生物科技股份有限公司 | Reagent refrigerating plant and method |
| WO2021103783A1 (en) * | 2019-11-26 | 2021-06-03 | 苏州长光华医生物医学工程有限公司 | Chemiluminescence immunoassay analyzer and cooling circulation system thereof, and fault monitoring method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090812 |