CN201377939Y - Semiconductor refrigerating device - Google Patents
Semiconductor refrigerating device Download PDFInfo
- Publication number
- CN201377939Y CN201377939Y CN200920067869U CN200920067869U CN201377939Y CN 201377939 Y CN201377939 Y CN 201377939Y CN 200920067869 U CN200920067869 U CN 200920067869U CN 200920067869 U CN200920067869 U CN 200920067869U CN 201377939 Y CN201377939 Y CN 201377939Y
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- heat exchanger
- pump
- heat
- reagent
- fan
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Abstract
The utility model relates to a semiconductor refrigerating device which comprises a dish cover, a sealing ring, an insulating layer, a refrigerating cavity, a temperature sensor, a semiconductor refrigerating chip, a heat absorbing box, a heat exchanger, a pump, a fan, pipelines, an air duct and a refrigerant; the semiconductor refrigerating chip and the heat absorbing box are installed in the insulating layer on the bottom surface of a reagent dish, two pipelines are installed on the other surface of the heat absorbing box, one of the two pipelines is connected with the pump, and the other pipeline is connected with the heat exchanger; the heat exchanger is coiled into a helical shape through a pipe, the other end of the heat exchanger is connected with the pump through a pipeline, the fan is installed on one side of the heat exchanger, the air duct is installed on the other side of the heat exchanger, and the air duct leads to the outside of the device. The utility model fully utilizes the internal space of the biochemical analyzer, and the refrigerating device is installed below the reagent dish, so that the device has more reasonable structure and more remarkable refrigerating effect.
Description
Technical field
The utility model 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 physical condition requirement, reagent is placed in the reagent dish of biochemical analysis, must be kept in 2～8 ℃ the temperature environment, in order to reach this temperature environment, several but chips that freeze of partly leading are installed in the heat-insulation layer of reagent dish side, in corresponding location about small-sized fans is installed again, is half-and-half led the but fin of chip that freezes, reach the purpose of cooling sheet 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. 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 utility model 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 utility model provides a kind of semiconductor cooling device, comprises disk cover, sealing ring, heat-insulation layer, refrigerating chamber, temperature sensor, semiconductor refrigeration chip, also comprises 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 is wherein partly led the quantity of chip of freezing but and can be selected according to chilling temperature.
The utility model makes full use of the inner space of Biochemical Analyzer owing to taked above technical measures, and refrigerating plant is installed in the bottom of reagent dish, makes apparatus structure more reasonable, and refrigeration is more remarkable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model 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.This structure seems the biochemical instruments workbench and succinctly also makes full use of the biochemical instruments inner space.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, 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.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, partly lead the but chip 6 energising refrigeration of freezing, 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920067869U CN201377939Y (en) | 2009-02-19 | 2009-02-19 | Semiconductor refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920067869U CN201377939Y (en) | 2009-02-19 | 2009-02-19 | Semiconductor refrigerating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377939Y true CN201377939Y (en) | 2010-01-06 |
Family
ID=41518055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920067869U Expired - Lifetime CN201377939Y (en) | 2009-02-19 | 2009-02-19 | Semiconductor refrigerating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377939Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818964A (en) * | 2010-04-16 | 2010-09-01 | 深圳市普康电子有限公司 | Biochemical instrument refrigeration system with semiconductor refrigeration chip |
| CN102495221A (en) * | 2011-12-06 | 2012-06-13 | 长春赛诺迈德医学技术有限责任公司 | Air-cooled reagent room for biochemical analyzer |
| CN102798558A (en) * | 2012-08-06 | 2012-11-28 | 北京雪迪龙科技股份有限公司 | Hg standard gas generating device |
-
2009
- 2009-02-19 CN CN200920067869U patent/CN201377939Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818964A (en) * | 2010-04-16 | 2010-09-01 | 深圳市普康电子有限公司 | Biochemical instrument refrigeration system with semiconductor refrigeration chip |
| CN102495221A (en) * | 2011-12-06 | 2012-06-13 | 长春赛诺迈德医学技术有限责任公司 | Air-cooled reagent room for biochemical analyzer |
| CN102798558A (en) * | 2012-08-06 | 2012-11-28 | 北京雪迪龙科技股份有限公司 | Hg standard gas generating device |
| CN102798558B (en) * | 2012-08-06 | 2015-10-28 | 北京雪迪龙科技股份有限公司 | A kind of mercury Standard Gases generating means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100106 |
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| CX01 | Expiry of patent term |