CN202993642U - Vortex tube refrigerator - Google Patents
Vortex tube refrigerator Download PDFInfo
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- CN202993642U CN202993642U CN 201220722439 CN201220722439U CN202993642U CN 202993642 U CN202993642 U CN 202993642U CN 201220722439 CN201220722439 CN 201220722439 CN 201220722439 U CN201220722439 U CN 201220722439U CN 202993642 U CN202993642 U CN 202993642U
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Abstract
The utility model belongs to the technical field of vortex refrigeration, and particularly relates to a vortex tube refrigerator which comprises a cold-end tube, a hot-end tube, a vortex generator, an air inlet, a flow regulator, a regulating valve and a hot air outlet. The hot-end tube is connected with the cold-end tube by a sleeve. The vortex tube refrigerator is characterized in that the vortex generator comprises a main vortex generator and an auxiliary vortex generator, one end of the main vortex generator is connected with the cold-end tube, and the auxiliary vortex generator is sleeved at the other end of the main vortex generator and is connected with the hot-end tube. The vortex tube refrigerator has the advantages that the vortex tube refrigerator is additionally provided with the auxiliary vortex generator on the basis of the original main vortex generator, cyclone which flows into the main vortex generator is strengthened in the auxiliary vortex generator, an angle of the cyclone is changed, the differential pressure between hot air and cold air in a vortex tube is increased, accordingly, the energy separation efficiency is improved, the temperature difference is increased, and purposes of improving temperature drop of the vortex tube and increasing a refrigeration coefficient are achieved.
Description
Technical field
The utility model belongs to the vortex effect refrigeration technical field, especially relates to a kind of vortex tube refrigerator.
Background technology
Vortex cooler is called for short vortex tube, claims again Lan Ke-Hull petty official (Ranque-Hilsch) pipe, and it is the very simple energy separation device of a kind of structure, mainly by air inlet, vortex cavity, end tube, and cold junction pipe, the compositions such as control valve.At first compressed air enter in columniform vortex cavity along tangent line by nozzle of vortex tube, make air-flow produce High Rotation Speed, vortex cavity is between the hot junction and cold junction of vortex tube, and be connected with them, compressed air enters vortex cavity can make volume expansion and heat absorption, form again eddy current in vortex tube, eddy current is separated into two parts that temperature does not wait in the process of High Rotation Speed, the gas of marginal portion is concentrated to the vortex tube hot junction becomes thermal current, heat outlet by vortex tube is discharged, core is cold airflow, discharges by the cold air outlet of vortex tube cold junction.Regulate the hot and cold air ratio by the control valve of regulating in vortex tube, can obtain best refrigeration effect or heat effect.
Vortex tube is take air as refrigerant, have unique refrigeration modes, use procedure does not produce any pollution, is called green low-temperature receiver by industry, multi-field being applied such as air-conditioning, refrigeration, machining, electrical equipment heat radiations, following application prospect is extremely wide at present.
The main evaluation criteria of performance height of vortex tube is exactly coefficient of refrigerating performance (cold effect ratio), coefficient of refrigerating performance is the ratio of refrigerating capacity and air consumption, refrigerating capacity is made of temperature drop and two parameters of air conditioning quantity, so how to improve the efficient of vortex tube, improve temperature drop and cold air flow under the constant prerequisite of air consumption, become the direction of research in world wide.Because the coefficient of refrigerating performance of vortex tube is non-homeostasis, only just having the highest coefficient of refrigerating performance (cold effect ratio) under specific internal structure and tolerance parameter.Usually most application scenario is all also to use after vortex tube is adjusted to best coefficient of refrigerating performance (cold effect ratio).And when best coefficient of refrigerating performance, cold flow is not maximum, so a lot of people also attempts to improve refrigerating capacity by strengthening cold air flow under the prerequisite of high coefficient of refrigerating performance by the whole bag of tricks.A kind of vortex tube that for example proposes in Chinese patent 201010197295.8 is improved one's methods, purpose is to increase cold flow under the prerequisite that does not reduce coefficient of refrigerating performance, adopted the method that increases the minor air cell to realize, it is equal in essence a plurality of vortex tubes in the situation that optimum efficiency is in parallel, can not increase in itself the coefficient of refrigerating performance of single tube vortex tube.And the improvement of other vortex tube, as Chinese patent 93246501.3,200310117391.7,93227779.9, it is little that foreign patent US459408410.1 1986 grades all still can't solve the swirl control cold, the shortcomings such as coefficient of refrigerating performance is low, can't solve vortex tube at low cold refrigerator, the demand during microminiature air-conditioning etc. are used.
Summary of the invention
The purpose of this utility model is to provide a kind of temperature drop and coefficient of refrigerating performance that can effectively strengthen vortex tube, and highly versatile, and security performance is high, uses vortex tube refrigerator more widely.
The purpose of this utility model realizes by following technical proposals:
Vortex tube refrigerator of the present utility model, comprise the cold junction pipe, by the sleeve pipe end tube that is connected of cold junction pipe therewith, be located at the vortex generator in described sleeve pipe, be located at the air inlet on described sleeve pipe, be located at rectifier, control valve and heat outlet in described end tube, it is characterized in that the main vortex generator that described vortex generator is connected with described cold junction pipe by an end, the auxiliary vortex generator that is socketed in this main vortex generator other end forms, described auxiliary vortex generator is connected with described end tube
Described auxiliary vortex generator is by auxiliary eddy chamber, evenly be located at this auxiliary eddy chamber excircle, and form with the tangent one group of auxiliary nozzle of the cross section of described auxiliary eddy chamber circle, described auxiliary eddy chamber is flaring enlarging chamber, and flared end is towards end tube
Be provided with the cold junction orifice plate in described cold junction pipe, be provided with the cold air outlet of flaring in this cold junction orifice plate.
The outside of described end tube is provided with fin.
The flaring angle α of described enlarging chamber is 6 °-80 °.
Described auxiliary nozzle is conical negative throat noz(zle), and necking end is connected with described auxiliary eddy chamber.
The angle β of the cross section circle of described auxiliary nozzle and auxiliary eddy chamber is 2 °-6 °.
Described auxiliary number of nozzle is 1-7.
The nozzle minimum sectional area of described main vortex generator is 0.1-0.25 times of main eddy chamber sectional area.
Advantage of the present utility model:
(1) the utility model is by having increased auxiliary vortex generator on the basis of original main vortex generator, the cyclone that enters main vortex generator is reinforced in auxiliary vortex generator, and changed the angle of cyclone, increased the pressure reduction of the inner hot gas of vortex tube and cold air, thereby strengthened efficient and the temperature difference of energy separation, reached the temperature drop that strengthens vortex tube and the purpose that improves coefficient of refrigerating performance;
(2) the utility model has fin in the heat pipe end outer setting of vortex tube, has increased the area of dissipation of end tube, the energy that makes the core cold airflow as early as possible in heat conducting mode by internal layer to the skin transmission, to obtain the lower cold airflow of temperature.Simultaneously, the operational danger brought due to the end tube excess Temperature has been avoided in the setting of fin;
(3) the utility model inner member can exchange according to actual needs, has strengthened the versatility that vortex tube uses.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the auxiliary vortex generator of the utility model.
Fig. 3 is the A-A view of the utility model Fig. 2.
The specific embodiment
Further illustrate the specific embodiment of the present utility model below in conjunction with accompanying drawing.
as Fig. 1, shown in 2 and 3, a kind of vortex tube refrigerator, comprise cold junction pipe 1, by sleeve pipe 2 end tube 3 that is connected of cold junction pipe 1 therewith, be located at the vortex generator in described sleeve pipe 2, be located at the air inlet 10 on described sleeve pipe 2, be located at the rectifier 5 in described end tube 3, control valve 6 and heat outlet 7, it is characterized in that the main vortex generator 9 that described vortex generator is connected with described cold junction pipe 1 by an end, the auxiliary vortex generator 8 that is socketed in these main vortex generator 9 other ends forms, described auxiliary vortex generator 8 is connected with described end tube 3, described auxiliary vortex generator 8 is by auxiliary eddy chamber 13, evenly be located at this auxiliary eddy chamber 13 excircles, and the one group auxiliary nozzle 14 tangent with the cross section circle of described auxiliary eddy chamber 13 forms, described auxiliary eddy chamber 13 is flaring enlarging chamber, and flared end is towards end tube 3.
when Compressed Gas enters vortex tube through air inlet 10, can enter respectively the nozzle of main vortex generator 9 and the auxiliary nozzle 14 of auxiliary vortex generator 8 via the gas passage in sleeve pipe 2, two strands of gases enter respectively cylindrical chamber and the auxiliary eddy chamber 13 of main vortex generator 9 along tangent line, the cyclone that forms in the cylindrical chamber of main vortex generator 9 is reinforced at auxiliary eddy chamber 13, and changed the angle of cyclone through the enlarging of auxiliary eddy chamber 13, increased the pressure reduction of the inner hot gas of vortex tube and cold air, thermal current moves to heat outlet 7, via rectifier 5, control valve 6 is discharged, this moment, the pressure due to cold side outlet exported less than the hot junction, a part of gas is returned through after auxiliary eddy chamber 13 and main eddy chamber two-stage energy separation by cyclone center, discharged by cold air outlet 12, efficient and the temperature difference of energy separation have effectively been increased.
Be provided with cold junction orifice plate 11 in described cold junction pipe 1, be provided with the cold air outlet 12 of flaring in this cold junction orifice plate 11, the cold air of cyclone internal layer is separated through this cold air outlet 12.In prior art, usually cold air outlet 12 and main vortex generator 9 are made of one form, be unfavorable for changing, at the interior cold junction orifice plate 11 that arranges of cold junction pipe 1, can be according to actual needs, the cold junction orifice plate 11 of different pore size is used from different vortex generator collocation, also strengthened the versatility that vortex tube uses in the time of conservation.
Described auxiliary nozzle 14 is conical negative throat noz(zle), necking end is connected with described auxiliary eddy chamber 13, auxiliary nozzle 14 is 2 °-6 ° with the angle β of the cross section circle of auxiliary eddy chamber 13, number can be set to 1-7, the flaring angle α of enlarging chamber is 6 °-80 °, can play the effect of auxiliary energy exchange and rectification.
The outside of described end tube 3 is provided with fin 4, has increased the area of dissipation of end tube 3, the energy that makes the core cold airflow as early as possible in heat conducting mode by internal layer to the skin transmission, to obtain the lower cold airflow of temperature.Simultaneously, the operational danger brought due to end tube 3 excess Temperatures has been avoided in the setting of fin 4.
The nozzle minimum sectional area of described main vortex generator 9 is 0.1-0.25 times of main eddy chamber sectional area, forms venturi effect best.
The utility model is by having increased auxiliary vortex generator 8 on the basis of original main vortex generator 9, the cyclone that enters main vortex generator 9 is reinforced in auxiliary vortex generator 8, and changed the angle of cyclone, increased the pressure reduction of the inner hot gas of vortex tube and cold air, thereby strengthened efficient and the temperature difference of energy separation, reached the temperature drop that strengthens vortex tube and the purpose that improves coefficient of refrigerating performance.Showing through actual test result, is 0.6MPa at admission pressure, when intake air temperature is 15 ℃, can obtains minimum temperature and be the cold air of-53 ℃, and its maximum temperature drop reaches 68 ℃.When air consumption was 325L/min, maximum cooling capacity can reach 257W, and cold effect ratio reaches 0.791, and refrigeration efficiency improves more than 8%.
Claims (7)
1. vortex tube refrigerator, comprise the cold junction pipe, by the sleeve pipe end tube that is connected of cold junction pipe therewith, be located at the vortex generator in described sleeve pipe, be located at the air inlet on described sleeve pipe, be located at rectifier, control valve and heat outlet in described end tube, it is characterized in that the main vortex generator that described vortex generator is connected with described cold junction pipe by an end, the auxiliary vortex generator that is socketed in this main vortex generator other end forms, described auxiliary vortex generator is connected with described end tube
Described auxiliary vortex generator is by auxiliary eddy chamber, evenly be located at this auxiliary eddy chamber excircle, and form with the tangent one group of auxiliary nozzle of the cross section of described auxiliary eddy chamber circle, described auxiliary eddy chamber is flaring enlarging chamber, and flared end is towards end tube
Be provided with the cold junction orifice plate in described cold junction pipe, be provided with the cold air outlet of flaring in this cold junction orifice plate.
2. vortex tube refrigerator according to claim 1, is characterized in that the outside of described end tube is provided with fin.
3. vortex tube refrigerator according to claim 1, the flaring angle α that it is characterized in that described enlarging chamber is 6 °-80 °.
4. vortex tube refrigerator according to claim 1, it is characterized in that described auxiliary nozzle is conical negative throat noz(zle), and necking end is connected with described auxiliary eddy chamber.
5. vortex tube refrigerator according to claim 1, is characterized in that the angle β of the cross section circle of described auxiliary nozzle and auxiliary eddy chamber is 2 °-6 °.
6. vortex tube refrigerator according to claim 1, is characterized in that described auxiliary number of nozzle is 1-7.
7. vortex tube refrigerator according to claim 1, the nozzle minimum sectional area that it is characterized in that described main vortex generator be main eddy chamber sectional area 0.1-0.25 doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722439 CN202993642U (en) | 2012-12-25 | 2012-12-25 | Vortex tube refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722439 CN202993642U (en) | 2012-12-25 | 2012-12-25 | Vortex tube refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202993642U true CN202993642U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722439 Expired - Fee Related CN202993642U (en) | 2012-12-25 | 2012-12-25 | Vortex tube refrigerator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967076A (en) * | 2012-12-25 | 2013-03-13 | 张春堂 | Vortex tube refrigerator |
| CN104454171A (en) * | 2014-11-04 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Cooling method for high-temperature part of aero-engine |
| CN105258376A (en) * | 2015-09-30 | 2016-01-20 | 河南科技大学 | Refrigerator provided with vortex tube refrigeration device |
| CN106208812A (en) * | 2014-12-02 | 2016-12-07 | 现代自动车株式会社 | Thermoelectric heat generation system for vehicle |
| CN112413917A (en) * | 2020-11-17 | 2021-02-26 | 南京航空航天大学 | Vortex tube with double-layer structure |
| CN114288805A (en) * | 2021-12-14 | 2022-04-08 | 天地科技股份有限公司 | Colliery air shaft does not have automatic recovery unit of consumption carbon dioxide |
| CN114294039A (en) * | 2021-12-14 | 2022-04-08 | 天地科技股份有限公司 | No-power-consumption carbon dioxide multi-path recovery device in coal mine air shaft |
-
2012
- 2012-12-25 CN CN 201220722439 patent/CN202993642U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967076A (en) * | 2012-12-25 | 2013-03-13 | 张春堂 | Vortex tube refrigerator |
| CN102967076B (en) * | 2012-12-25 | 2015-01-21 | 鞍山天泩科技有限公司 | Vortex tube refrigerator |
| CN104454171A (en) * | 2014-11-04 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Cooling method for high-temperature part of aero-engine |
| CN106208812A (en) * | 2014-12-02 | 2016-12-07 | 现代自动车株式会社 | Thermoelectric heat generation system for vehicle |
| CN105258376A (en) * | 2015-09-30 | 2016-01-20 | 河南科技大学 | Refrigerator provided with vortex tube refrigeration device |
| CN112413917A (en) * | 2020-11-17 | 2021-02-26 | 南京航空航天大学 | Vortex tube with double-layer structure |
| CN112413917B (en) * | 2020-11-17 | 2022-04-08 | 南京航空航天大学 | Vortex tube with double-layer structure |
| CN114288805A (en) * | 2021-12-14 | 2022-04-08 | 天地科技股份有限公司 | Colliery air shaft does not have automatic recovery unit of consumption carbon dioxide |
| CN114294039A (en) * | 2021-12-14 | 2022-04-08 | 天地科技股份有限公司 | No-power-consumption carbon dioxide multi-path recovery device in coal mine air shaft |
| CN114294039B (en) * | 2021-12-14 | 2023-12-22 | 天地科技股份有限公司 | Reactive power carbon dioxide multipath recovery device in coal mine air shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |