CN104959177A - Externally-cooled electronic condenser - Google Patents
Externally-cooled electronic condenser Download PDFInfo
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- CN104959177A CN104959177A CN201510330760.3A CN201510330760A CN104959177A CN 104959177 A CN104959177 A CN 104959177A CN 201510330760 A CN201510330760 A CN 201510330760A CN 104959177 A CN104959177 A CN 104959177A
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- condenser
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- refrigerating elements
- electronic refrigerating
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Abstract
The invention discloses an externally-cooled electronic condenser and solves the problem that the existing water-cooled condenser wastes a great deal of tap water. The outside of a condensing tube is isolated from the ambient heat, and the larger cooling area leads to evident increase in distillation or reflux condensing efficiency. The externally-cooled electronic condenser comprises a tubular electronic refrigerating element, a tubular air radiator and a finned condensing tube. During operating, the cold end of the tubular electronic refrigerating element sucks interior heat of the finned condensing tube to lower the temperature, the distilled or reflux steam is condensed, the hot end of the tubular electronic refrigerating element releases the heat which is guided out by air from the tubular air radiator, and low condensing temperature is continuously kept for the cold end; according to the condensing temperature of fraction, by adjusting input current of the externally-cooled electronic condenser, the condensing temperature can be under high-precision control; the existing distillation or reflux test water-cooled condensation is replaced; the externally-cooled electronic condenser is simple in structure, easy to manufacture, easy to popularize and significant to the building of water-saving society.
Description
Technical field
The present invention relates to the scientific research institutions of the industries such as chemistry, chemical industry, pharmacy, food, environment, institution of higher learning, Corporation R & D mechanism; Specifically belong to experimental instruments technology and manufacture field, particularly relate to a kind of external-cooling type electronic condenser of alternative water cooled condenser.
Background technology
For a long time, the whole society is all vigorously advocating using water wisely, and the using water wisely facility in industry, agricultural, service trade, daily life etc., all takes active and effective water-saving method and means, and achieve obvious effect.But, for the research educational institution such as scientific research institutions, school experiment room or the scientific research department self being engaged in water saving research, the waste of experimental study water is but turned a deaf ear to, do not cause society and the enough attention of researcher.Laboratory needs in the experiment of cooling water carrying out scientific research, experimental teaching etc., and generally use tap water direct to connect into experimental provision, in experimentation, running water discharges in a large number, has wasted the clean water of many preciousnesses.Therefore, scientific research, education sector water saving should become the problem that scientific research personnel, educator and the whole society highly pay close attention to.
When many scientific researches and experiment content use laboratory apparatus to test, the synthesis of sample, separation, concentratedly generally to relate to distillation, reflow method, this just needs to cool condenser with cooling water, general is all directly be passed on the condenser of instrument by running water, running water enters condenser makes condenser temperature reduce, discharge from condenser after running water absorbs heat and directly bleed off, cause the serious waste of water resource.For the distillation test in Experiment of Organic Chemistry, when meeting minimum chilling temperature requirement, the flow velocity of cooling water is approximately 2 liters per minute, a set of experimental provision is 120 liters per hour using running water as the water yield of discharge of wastewater, often group experiment number of student 30, will overlap experimental provisions with 30, the average time often completing an Organic Experiment is about 6 hours, so complete an experiment, 21.6 tons of clean tap water with regard to average emission.And this is the consumption of an experimental project in universities and colleges laboratory, if adding up with the quantity of national universities and colleges, laboratory, experimental project will be a very surprising numeral.And meet on occasion when cutting off the water suddenly, experiment must be stopped immediately, bring great inconvenience to normal scientific research and experimental teaching.Circulating water device at present for laboratory also has multiple, generally uses the water circulating pump not with refrigeration system, but after using a period of time, water temperature raises gradually, loses cooling effect; Have the recirculated water machine of band compressor refrigeration system, this kind of circulating water electricity consumption of equipment amount is large, and price is high, although good cooling results, but experiment operating cost is high, is difficult to be popularized widely in scientific research, experimental teaching and promote.
Electronic cooling is also known as semiconductor refrigerating, or thermoelectric cooling, thermoelectric cooling, of growing up from the fifties between the subject at Refrigeration Technique and semiconductor technology edge, the P-N junction that it utilizes extraordinary semi-conducting material to form, form thermocouple pair, produce Peltier effect, namely by a kind of New Refrigerating method that direct current freezes, be called the large refrigeration modes in the world three with compression-type refrigeration and absorption refrigeration.Nowadays the development of technology makes the advantage of electronic cooling progressively display.Electronic cooling is a kind of solid coolant mode, it by hole and electronics at the volley directly transferring heat realize.Compared with compressor refrigeration system, do not have mechanical rotation part, without the need to cold-producing medium, noiseless, pollution-free, reliability is high, and the life-span is long, is easy to thermostatic control etc.Present electronic cooling technology obtains applying more widely in many fields such as military affairs, science, Aero-Space, industry, agricultural, health care, biochemistry and daily living articles, particularly along with fast development and the requirement more and more higher to environmental protection of China's economic construction, progressively forbid that atmosphere pollution, the freon that damages the ozone layer are as cold-producing medium, electronic cooling technology more presents tempting prospect; Electronic cooling is new green " low-temperature receiver " of undisputed 21 century.CN 101862689B patent of invention discloses a kind of no-cooling-water direct-cooling electronic condenser experimental provision, and this electronic condenser is pollution-free, noiseless, without the need to cooling medium, thoroughly can solve the problem of the running water wasting of resources; It absorbs heat by electronic refrigerating elements cold junction to reduce temperature conduction on the collection cooler of condenser pipe interior volume, condensation temperature in system reduced, belongs to inner-cooled electronic condenser; But the room temperature environment of condenser pipe external contact then also can have certain negative function to the cooling of condenser pipe inside, and in collection cooler conductive process, the loss of chilling temperature also can be caused at electronic refrigerating elements cold junction, the refrigeration of electronic condenser is not still effectively played, and interior condensing electronic condenser complicated structure, not easily manufactures processing.
Summary of the invention
The present invention is in order to change the situation of current water cooled condenser waste water resource, overcome the impact that inner-cooled electronic condenser produces cooling effect by environment temperature and conductive process, provide one condenser pipe can be made outside to isolate with environment temperature, increase film-cooled heat cooling effectiveness is improved, and the simple external-cooling type electronic condenser of structure.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of external-cooling type electronic condenser, primarily of electronic refrigerating elements, airflow radiating device, condenser pipe composition; Described electronic refrigerating elements cylindrically structure, condenser pipe can be inserted in cylindric electronic refrigerating elements, and electronic refrigerating elements inner surface and condenser pipe outer surface contact with each other; Described airflow radiating device cylindrically structure, cylindric electronic refrigerating elements can be inserted in cylindric airflow radiating device, retains certain intervals between cylindric airflow radiating device inner surface and cylindric electronic refrigerating elements outer surface; Described condenser pipe inwall is provided with many fins.
Technical problem of the present invention is also realized by following scheme:
Described cylindric electronic refrigerating elements access direct current, inner surface absorbs heat becomes cold junction temperature reduction; Outer surface releases heat becomes hot-side temperature rising; Described cylindric airflow radiating device connects into double-layered cylinder structure by inside and outside two cylinders, retains certain intervals between inner/outer tube; Inner tube wall has many with the aperture of barrel in the angle that is inclined upwardly, radiator fan is equipped with in outer tube wall side, communicates between windthroat with inner/outer tube, and radiator can dissipate by electronic refrigerating elements outer surface liberated heat; Many fins that described condenser pipe inwall is arranged are circular, and fin and tube wall form downward inclination angle, to increase the condensation area in condenser pipe, improve cooling effectiveness.The temperature difference of the cold and hot end of usual electronic refrigerating elements can reach between 40 ~ 65 degree, if reduce hot-side temperature by the mode of active heat removal, that cold junction temperature also can decline accordingly, thus reaches lower temperature; Pass through the adjustment to input current of electronic refrigerating elements in electronic condenser according to the condensation temperature of cut, the control of high-precision condensing temperature can be realized.
When carrying out condensation work, electronic condenser is arranged on the experimental provision of required condensation, connect radiator fan and electronic refrigerating elements dc source, electronic condenser is started working, electronic refrigerating elements inner surface absorbs heat becomes cold junction temperature reduction, conduct simultaneously and in condenser pipe, its temperature is reduced, outer surface releases heat becomes hot-side temperature rising; Meanwhile, air-flow is imported tubular airflow radiating device by radiator fan, and electronic refrigerating elements outer surface liberated heat is derived by many apertures of heat sink inner surface by air-flow; Because the aperture of heat sink inner surface is in inclination angle upwards, make the air-flow formed between heat sink inner surface and electronic refrigerating elements outer surface from bottom to top, lower end so just between heat sink inner surface and electronic refrigerating elements outer surface produces negative pressure, air-flow can be made again constantly to suck, enhance radiating effect.Experimental provision is carrying out distilling or in reflux course, Test Materials is heated in the reactor, condensation is produced with tube wall and fin contacts in the condenser pipe that the heat steam produced enters electronic condenser, the heat in hot junction is constantly derived by radiator, make electronic refrigerating elements cold junction continue to keep low-temperature condition, the cut be condensed constantly distillates or refluxes.
The beneficial effect that the present invention brings is:
1. alternative water cooled condenser, saves a large amount of clean tap water.
2. decrease and rely on the great number of circulation cooling device cooling to drop into.
3. achieve than running water cooling, without the lower condensation temperature of kind of refrigeration cycle wetting system cooling.
4. change water cooled condenser and but run into the situation needing interrupt experiments when cutting off the water, ensured that experiment is carried out smoothly.
5. to compare with without the circulation cooling device freezed with having to freeze, do not have larger mechanical rotation part, without the need to cold-producing medium, noiseless, pollution-free, reliability is high, and the life-span is long, installs easily.
6., by the adjustment to electronic condenser input current, the control of high-precision condensing temperature can be realized.
7. owing to making, condenser pipe is outside and environment temperature is isolated, film-cooled heat increases, and cooling effectiveness is improved.
8. external-cooling type electronic condenser structure is simple, and easy processing and manufacturing, is easy to penetration and promotion, is significant to Constructing Water-saved Society.
Accompanying drawing explanation
Fig. 1 is plate electronic refrigerating elements structure and working principle schematic diagram.
Fig. 2 is cylindric electronic refrigerating elements structure and working principle schematic diagram.
Fig. 3 is external-cooling type electronic condenser experimental provision front view.
Fig. 4 is external-cooling type electronic condenser experimental provision top view.
Fig. 5 is reflux condensing tube structural representation.
Fig. 6 is distillation condenser tube structure schematic diagram.
Fig. 7 is cylindric heat spreader structures schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figure 1 and Figure 2,1-1,2-1 are insulating ceramics to electronic refrigerating elements structure and working principle, and 1-2,2-2 are metallic conductor, and 1-3,2-3 are N-type and P-type semiconductor, and 1-4,2-4 are dc source.After dc source is passed into electronic refrigerating elements, energy-producing transfer at once, the joint that electric current flows to P type element by N-type element absorbs heat, and 1-A, 2-A face becomes cold junction temperature and reduces; Flowed to the joint release heat of N-type element by P type element, 1-B, 2-B face becomes hot-side temperature and raises.The temperature difference of the cold and hot end of usual electronic refrigerating elements can reach between 40 ~ 65 degree, if reduce hot-side temperature by the mode of active heat removal, that cold junction temperature also can decline accordingly, thus reaches lower temperature.
As shown in Figure 3, Figure 4, reflux condensing tube, distillation condenser pipe, cylindric heat spreader structures schematic diagram are as shown in Fig. 5, Fig. 6, Fig. 7 for external-cooling type electronic condenser experimental provision front view of the present invention, top view.The cylindrically structure of electronic refrigerating elements 3-1 wherein, condenser pipe 3-3 inserts in cylindric electronic refrigerating elements, electronic refrigerating elements inner surface 3-1-A and condenser pipe 3-3 outer surface contact with each other, during electronic condenser work, electronic refrigerating elements cylinder inner surface 3-1-A becomes cold junction temperature reduction, and cylinder outer surface 3-1-B releases thermal temperature and raises; The also cylindrically structure of airflow radiating device 3-2 wherein, be enclosed within electronic refrigerating elements 3-1 outside, leave certain intervals between the inner/outer tube of airflow radiating device, radiator fan 3-2-1 is equipped with in outer tube wall side, and windthroat communicates with cylinder inside; Inner tube wall having many is the aperture 3-2-2 at certain angle of inclination with barrel, and leave certain space 3-4 between airflow radiating device and electronic refrigerating elements, the air-flow that aperture is flowed out can pass therethrough.Fin 3-3-1 in condenser pipe 3-3 increases film-cooled heat, to improve condensation efficiency.
When carrying out condensation work, electronic condenser is arranged on the reaction flask 3-8 of required condensation test device, connect radiator fan and electronic refrigerating elements dc source, electronic condenser is started working, electronic refrigerating elements inner surface 3-1-A absorbs heat becomes cold junction temperature reduction, conduct simultaneously and in condenser pipe 3-3, its temperature is reduced, electronic refrigerating elements outer surface 3-1-B releases heat becomes hot-side temperature rising; Meanwhile, air-flow 3-5 imports in tubular airflow radiating device 3-2 by radiator fan 3-2-1, and air-flow is flowed out by many aperture 3-2-2 of heat sink inner surface, is derived by electronic refrigerating elements outer surface 3-1-B liberated heat; Because the aperture of heat sink inner surface is in inclination angle upwards, make the air-flow 3-6 formed between heat sink inner surface and electronic refrigerating elements outer surface from bottom to top, lower end spaces now between radiator and electronic refrigerating elements produces negative pressure, air-flow 3-7 can be made again constantly to suck, enhance radiating effect.Carrying out distilling or in reflux course, Test Materials is heated in reaction flask, the interior contact with tube wall and fin 3-3-1 of condenser pipe that the heat steam produced enters electronic condenser produces condensation, heat is constantly derived by radiator, make electronic refrigerating elements cold junction continue to keep low-temperature condition, the cut be condensed constantly distillates or refluxes.Because condensation temperature is lower, condensation efficiency is improved; Alternative water cooled condenser, achieves the condensation of no-cooling-water, has namely ensured that experiment is carried out smoothly, has again saved valuable water resource.
Claims (4)
1. an external-cooling type electronic condenser, primarily of electronic refrigerating elements, airflow radiating device, condenser pipe composition; It is characterized in that: described electronic refrigerating elements cylindrically structure, condenser pipe can be inserted in cylindric electronic refrigerating elements, and electronic refrigerating elements inner surface and condenser pipe outer surface contact with each other; Described airflow radiating device cylindrically structure, cylindric electronic refrigerating elements can be inserted in cylindric airflow radiating device, retains certain intervals between cylindric airflow radiating device inner surface and cylindric electronic refrigerating elements outer surface; Described condenser pipe inwall is provided with many fins.
2. a kind of external-cooling type electronic condenser according to claim 1, is characterized in that: described cylindric electronic refrigerating elements access direct current, inner surface absorbs heat becomes cold junction, and outer surface releases heat becomes hot junction.
3. a kind of external-cooling type electronic condenser according to claim 1, is characterized in that: described cylindric airflow radiating device connects into double-layered cylinder structure by inside and outside two cylinders, retains certain intervals between inner/outer tube; Inner tube wall has many with the aperture of barrel in the angle that is inclined upwardly, radiator fan is equipped with in outer tube wall side, communicates between windthroat with inner/outer tube.
4. a kind of external-cooling type electronic condenser according to claim 1, is characterized in that: many fins that described condenser pipe inwall is arranged are circular, and fin and tube wall are downward inclination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510330760.3A CN104959177A (en) | 2015-06-10 | 2015-06-10 | Externally-cooled electronic condenser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510330760.3A CN104959177A (en) | 2015-06-10 | 2015-06-10 | Externally-cooled electronic condenser |
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| CN104959177A true CN104959177A (en) | 2015-10-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817277A (en) * | 2016-04-21 | 2016-08-03 | 安徽绿健检测技术服务有限公司 | Glass burr reflowing pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311734Y (en) * | 1997-09-30 | 1999-03-24 | 郑万烈 | Thermoelectric semi-conductor cold-hot head apparatus |
| CN201363958Y (en) * | 2008-12-31 | 2009-12-16 | 郑万烈 | Electronic cold rod |
| CN101966474A (en) * | 2010-09-25 | 2011-02-09 | 李景峰 | Water-saving direct cooling heat pipe electric condenser and experimental device |
| CN204799293U (en) * | 2015-06-10 | 2015-11-25 | 李景峰 | Outer cold type electronics condenser |
-
2015
- 2015-06-10 CN CN201510330760.3A patent/CN104959177A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311734Y (en) * | 1997-09-30 | 1999-03-24 | 郑万烈 | Thermoelectric semi-conductor cold-hot head apparatus |
| CN201363958Y (en) * | 2008-12-31 | 2009-12-16 | 郑万烈 | Electronic cold rod |
| CN101966474A (en) * | 2010-09-25 | 2011-02-09 | 李景峰 | Water-saving direct cooling heat pipe electric condenser and experimental device |
| CN204799293U (en) * | 2015-06-10 | 2015-11-25 | 李景峰 | Outer cold type electronics condenser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817277A (en) * | 2016-04-21 | 2016-08-03 | 安徽绿健检测技术服务有限公司 | Glass burr reflowing pipe |
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Application publication date: 20151007 |