CN2677931Y - Thermostat system of circulation air bath - Google Patents
Thermostat system of circulation air bath Download PDFInfo
- Publication number
- CN2677931Y CN2677931Y CN 200420020498 CN200420020498U CN2677931Y CN 2677931 Y CN2677931 Y CN 2677931Y CN 200420020498 CN200420020498 CN 200420020498 CN 200420020498 U CN200420020498 U CN 200420020498U CN 2677931 Y CN2677931 Y CN 2677931Y
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- CN
- China
- Prior art keywords
- cavity
- fan
- cuvette
- exocoel
- heating source
- Prior art date
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Abstract
The utility model relates to an essential component of the biochemistry analyzing instrument in the field of medical clinical examination, in particular to a thermostat system of the circulation air bath in the fully-automatic biochemistry analyzing instrument, comprising a heating source, a fan, an inner chamber, an outer chamber, a colorimetric cup and a colorimetric plate, etc. the constant temperature outer chamber and the colorimetric plate form a sealing cavity body and the heating source is positioned on the center portion of the bottom portion of the cavity body. The entire cavity body is correspondingly divided into an upper portion and a lower portion by the inner cavity and the fan. The fan in arranged on the center portion of the inner cavity. The colorimetric cup is positioned in the wind channel between the inner cavity and the outer cavity. All the components are in geometry peripheral distribution. The temperature sensor is arranged on the outer cavity. The temperature value in the wind channel can be collected by the system in real time and be transferred to a temperature control circuit. The utility model has the advantages of better isolating effect with the outside world, high heat using efficiency, rapid thermal response speed and uniform heat distribution along the circumference without being easily influenced by the environment temperature, etc.
Description
Technical field
The utility model relates to the critical component of the biochemical analyzer in a kind of clinical medicine check field, refers to a kind of circulation air bath constant temperature system that is applied in the automatic clinical chemistry analyzer device especially.
Background technology
In the clinical biochemical analytical instrument of using, because biochemical reaction often has strict requirement to temperature of reaction, constant temperature system is very crucial in an instrument parts at present.Adopt in the analytical instrument of flow colorimetric pond in tradition, reaction chamber is because volume is less, and the technical ratio of its constant temperature system is easier to realize.In present a large amount of epoch of adopting discrete automatic clinical chemistry analyzer devices, its reaction chamber part has proposed high requirement because volume is bigger to constant temperature system.By the difference of heating cuvette medium, the constant temperature system of this quasi-instrument mainly adopts water-bath (comprising oil bath) and air bath method at present, and wherein air bath is adopted in practice in a large number because structure is simple relatively.But in practicality, the air bath heating also exposes many weakness, ALCYON series automatic clinical chemistry analyzer as Abbott's production, its heating source is the circle heating wire around colorimetric disc, then by being positioned at the fan of cavity bottom, what fan exchanged is the air of instrument surrounding environment in heating and cooling.Problems such as this method is influenced by ambient temperature easily, exists temperature-responsive slow, and big cavity temperature distribution is even inadequately.
Summary of the invention
In order to overcome above-mentioned weak point, fundamental purpose of the present utility model aims to provide a kind of constant temperature system, is applied in the automatic clinical chemistry analyzer, reaches the heating cuvette and makes its constant purpose in preset temperature value.
The technical problems to be solved in the utility model is: solve and influenced by ambient temperature, exist temperature-responsive slow, big cavity temperature distributes even inadequately, has relative closure, isolation performance and how to improve problem such as the thermal efficiency relatively.
The technical scheme that its technical matters that solves the utility model adopts is: this device is by heating source, fan, inner chamber, exocoel, parts such as cuvette and colorimetric disc are formed, constant temperature exocoel and colorimetric disc are formed a cavity that seals, heating source is positioned at cavity bottom central authorities, whole cavity is again by the relative two parts up and down that are divided into fan of inner chamber, outside along whole cavity is an exocoel, fan is installed in inner chamber central authorities, cuvette is then in the air channel between interior exocoel, on the relation of position, all parts are circle distribution how much, exocoel, inner chamber and colorimetric disc are circle, fan and heating source are placed on the geometric center of cavity, the cuvette that is contained on the colorimetric disc is circle distribution along air flue between interior outer chamber, temperature sensor is installed on the exocoel, and probe is positioned at the below of cuvette, gathers the temperature value in the air channel in real time, pass to temperature-control circuit, temperature-control circuit determines whether power to heating source according to the temperature control algorithm.
Because the effect of fan, the heat that heating source distributes flows to cuvette along the air channel between inside and outside cavity, because fan has suction effect for air in the inner chamber, the air-flow of process cuvette is attracted again and is back to fan, so form by heating source along inside and outside cavity space to cuvette, along inner chamber body to fan, be back to the self-circulating current of the relative closure of heating source more again.
The inner chamber top of described circulation air bath constant temperature system is vertical configuration along the inboard place of cuvette.
The beneficial effects of the utility model are: this air bath scheme have be isolated from the outside better, the thermal efficiency utilizes highly, thermal response speed is fast, along the circumference heat distribution evenly, be difficult for advantages such as influenced by ambient temperature.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing 1 is an one-piece construction synoptic diagram of the present utility model;
Label declaration in the accompanying drawing:
1-heating source;
2-fan;
3-inner chamber;
4-exocoel;
5-cuvette;
6-colorimetric disc;
7-temperature sensor;
Embodiment
See also shown in the accompanying drawing 1, the utility model is made up of heating source 1, fan 2, inner chamber 3, exocoel 4, cuvette 5 and colorimetric disc 6.Constant temperature exocoel 4 and colorimetric disc 6 are formed a cavity that seals; Heating source 1 is positioned at cavity bottom central authorities, and by inner chamber 3 and fan 2 relative two parts that are divided into, fan 2 is installed in inner chamber 3 central authorities to whole cavity again; In 5 air channels between interior exocoel of cuvette; Because the effect of fan, the heat that heating source 1 distributes flows to cuvette 5 along the air channel between inside and outside cavity, because fan 2 has suction effect for air in the inner chamber 3, the air-flow of process cuvette 5 is attracted again and is back to fan 2.So form by heating source 1 along inside and outside cavity space to cuvette 5, arrive fan 2 along inner chamber body 3 again, be back to the self-circulating current of the relative closure of heating source 1 again.On the relation of position, all parts are circle distribution how much, and promptly exocoel 4, inner chamber 3 and colorimetric disc 6 are circle, and fan 2 and heating source 1 are placed on the geometric center of cavity, and the cuvette 5 that is contained on the colorimetric disc 6 is circle distribution along air flue between interior outer chamber.Temperature sensor 7 is installed on the exocoel 4, and probe is positioned at the below of cuvette 5, gathers the temperature value in the air channel in real time, passes to temperature-control circuit, and whether temperature-control circuit gives heating source 1 power supply according to the decision of temperature control algorithm.This air bath scheme have be isolated from the outside better, the thermal efficiency utilizes highly, thermal response speed is fast, along the circumference heat distribution evenly, be difficult for characteristics such as influenced by ambient temperature.
Claims (2)
1, a kind of circulation air bath constant temperature system, this device has heating source, fan, inner chamber, exocoel, cuvette and colorimetric disc, it is characterized in that: constant temperature exocoel and colorimetric disc are the cavity of a sealing, heating source is positioned at cavity bottom central authorities, whole cavity is again by the relative two parts up and down that are divided into fan of inner chamber, outside along whole cavity is an exocoel, fan is installed in inner chamber central authorities, in the air channel of cuvette between interior exocoel, on the relation of position, all parts are circle distribution how much, exocoel, inner chamber and colorimetric disc are circle, and fan and heating source are placed on the geometric center of cavity, and the cuvette that is contained on the colorimetric disc is circle distribution along air flue between interior outer chamber, temperature sensor is installed on the exocoel, and probe is positioned at the below of cuvette.
2, circulation air bath constant temperature system according to claim 1 is characterized in that: described inner chamber top is vertical configuration along the inboard place of cuvette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020498 CN2677931Y (en) | 2004-02-27 | 2004-02-27 | Thermostat system of circulation air bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020498 CN2677931Y (en) | 2004-02-27 | 2004-02-27 | Thermostat system of circulation air bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2677931Y true CN2677931Y (en) | 2005-02-09 |
Family
ID=34583295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420020498 Expired - Fee Related CN2677931Y (en) | 2004-02-27 | 2004-02-27 | Thermostat system of circulation air bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2677931Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305851A (en) * | 2011-07-26 | 2012-01-04 | 珠海森龙生物科技有限公司 | Constant temperature system of biochemical analyzer |
-
2004
- 2004-02-27 CN CN 200420020498 patent/CN2677931Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305851A (en) * | 2011-07-26 | 2012-01-04 | 珠海森龙生物科技有限公司 | Constant temperature system of biochemical analyzer |
| CN102305851B (en) * | 2011-07-26 | 2014-03-26 | 珠海森龙生物科技有限公司 | Constant temperature system of biochemical analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 Termination date: 20110227 |