CN204313683U - A kind of composite heat pipe - Google Patents
A kind of composite heat pipe Download PDFInfo
- Publication number
- CN204313683U CN204313683U CN201420660039.1U CN201420660039U CN204313683U CN 204313683 U CN204313683 U CN 204313683U CN 201420660039 U CN201420660039 U CN 201420660039U CN 204313683 U CN204313683 U CN 204313683U
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- CN
- China
- Prior art keywords
- heat pipe
- auxiliary
- work
- described work
- auxiliary heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
Abstract
The utility model relates to hot pipe technique field, particularly relates to a kind of composite heat pipe.It comprises work heat pipe, it is characterized in that, also comprise the auxiliary heat pipe be inserted in described work heat pipe, described auxiliary heat pipe comprises inner end and external part, the inner end of described auxiliary heat pipe is located at bottom one end of described work heat pipe, the other end that external part is stretched over described work heat pipe is outside, forms the annular water conservancy diversion cavity of sealing between described work heat pipe and auxiliary heat pipe.The external part of described auxiliary heat pipe is also provided with heat power supply device, and described heat power supply device comprises low-temperature heat source or high temperature heat source.The beneficial effects of the utility model are: provide auxiliary thermal source by the external part in auxiliary heat pipe, the two ends, inside of work heat pipe are made to obtain the larger temperature difference, and then accelerate the circulation of working solution, improve heat transfer efficiency, and utilize very low power auxiliary thermal source to play the effect of promoting working processes liquid efficient circulation.In addition in the workplace that the work heat pipe two ends temperature difference is less, be convenient to work heat pipe and start circulation.
Description
Technical field
The utility model relates to hot pipe technique field, particularly relates to a kind of composite heat pipe.
Background technology
The industry such as aerospace, military project is widely used in before hot pipe technique, since being introduced into radiator manufacturing, people are made to change the mentality of designing of traditional heat sinks, break away from simple dependence high air quantity motor to obtain the single radiating mode of better radiating effect, even if adopt hot pipe technique to make radiator adopt the slow-speed of revolution, low air quantity motor, can promising result be obtained equally, the noise problem perplexing wind-cooling heat dissipating is well solved, open heat radiation industry new world.Theoretically, the heat absorption of object, heat release are relative, every when having temperature difference to exist, and just must occur the phenomenon that heat is transmitted from high temperature to low temperature place.From three kinds of modes of heat trnasfer, wherein heat transfer is the fastest.Heat pipe utilizes sweat cooling exactly, makes heat pipe two ends temperature difference very large, heat is conducted fast.General heat pipe is made up of shell, liquid-sucking core and end cap.Inside heat pipe is pumped into negative pressure state, is filled with suitable liquid, and this boiling point of liquid is low, easily volatilizees.Tube wall has liquid-sucking core, and it is made up of capillary-porous material.Heat pipe one end is evaporation ends, one end is condensation end in addition, when heat pipe one end is heated, liquid in capillary evaporates rapidly, and steam flows to other one end under small pressure differential, and releases heat, regelation becomes liquid, liquid flows back to evaporator section along porous material by the effect of capillary force again, and so circulation is more than, and heat reaches other one end by heat pipe one end.This circulation is carried out fast, and heat can be come by conduction continuously.
Heat pipe why efficient heat transfer, comes from the temperature difference at heat pipe two ends, when the temperature difference is larger, just can impel the working solution of inside heat pipe rapid conversion between gaseous state and liquid state, Rapid Circulation, thus efficient heat transfer; And when residing for heat pipe two ends, circumstance of temperature difference is less, working solution circulation is just slow, heat transfer efficiency is just low; When the temperature difference at heat pipe two ends is less, because heat pipe possesses thermal switch characteristic, heat pipe just can not conduct heat.For picture this kind of application scenario of geothermal utilization, often there will be the situation that the heat pipe two ends temperature difference is less, heat energy utilization is fallen flat.Therefore for the working solution in heat pipe, keep the larger temperature difference to be improve the effective measures of efficiency of thermal transfer at heat pipe two ends, but heat pipe conventional at present then can only be limited to external heat source or the environment temperature at heat pipe two ends.
Utility model content
The deficiency that the utility model exists for above-mentioned prior art, provides a kind of composite heat pipe possessing higher efficiency of thermal transfer.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of composite heat pipe, comprise work heat pipe, it is characterized in that, also comprise the auxiliary heat pipe be inserted in described work heat pipe, described auxiliary heat pipe comprises inner end and external part, the inner end of described auxiliary heat pipe is located at bottom one end of described work heat pipe, and the other end that external part is stretched over described work heat pipe is outside, forms the annular water conservancy diversion cavity of sealing between described work heat pipe and auxiliary heat pipe.
The beneficial effects of the utility model are: provide auxiliary thermal source by the external part in auxiliary heat pipe, make it the inner end by described auxiliary heat pipe, described auxiliary thermal source being transmitted to work heat pipe, thus make the two ends, inside of work heat pipe obtain the larger temperature difference, and then accelerate the circulation of working solution, improve heat transfer efficiency; In addition in the workplace that the work heat pipe two ends temperature difference is less, work heat pipe can be made to start circulation by auxiliary heat pipe.Due to work heat pipe inner space, to compare peripheral space very little, therefore only needs less auxiliary thermal source energy just can play the effect of promoting working processes liquid efficient circulation.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described work heat pipe and auxiliary heat pipe comprise condensation segment, evaporator section and adiabatic section respectively, the condensation segment of described auxiliary heat pipe or evaporator section are inserted and are stretched in the evaporator section or condensation segment of described work heat pipe, outside the condensation segment that the evaporator section of described auxiliary heat pipe or condensation segment are stretched over described work heat pipe or evaporator section.
The beneficial effect of above-mentioned further scheme is adopted to be that, in order to make work inside heat pipe two ends produce the larger temperature difference, the condensation segment of work heat pipe and auxiliary heat pipe and evaporator section, should reversed arrangement.In fact, due to the invertibity of heat pipe direction of heat flow, which end, as condensation segment or evaporator section, depends on the needs of workplace.
Further, the adiabatic section of described auxiliary heat pipe is stretched out outside described work heat pipe.
The beneficial effect of above-mentioned further scheme is adopted to be that the impact on work inside heat pipe when can avoid utilizing auxiliary heat pipe transmission auxiliary thermal source outside work heat pipe is stretched out in the adiabatic section of auxiliary heat pipe.
Further, the external part of described auxiliary heat pipe is also provided with heat power supply device, and described heat power supply device comprises low-temperature heat source or high temperature heat source.
Adopting the beneficial effect of above-mentioned further scheme to be adopt high temperature heat source when the external part of auxiliary heat pipe uses as evaporator section, adopting low-temperature heat source when using as condensation segment.Described low-temperature heat source or high temperature heat source are based on the work environment temperature of heat pipe or heat source temperature.Be the place needing the heat transfer rate of work heat pipe to change again, the duty of work heat pipe can also be controlled easily by the heat energy size that provides of control of heat source device.
Further, described low-temperature heat source is refrigerating plant, and described high temperature heat source is heating combined equipment.
The beneficial effect of above-mentioned further scheme is adopted to be to select conventional refrigeration or heating combined equipment as required.
Further, described work heat pipe or auxiliary heat pipe include core heat pipe or gravity assisted heat pipe.
The beneficial effect of above-mentioned further scheme is adopted to be that above-mentioned heat-pipe-type all can realize the function of composite heat pipe.
Further, described work heat pipe and auxiliary heat pipe cross section are circle, flat ellipse or rectangle.
The beneficial effect of above-mentioned further scheme is adopted to be that the equipment that can use according to work heat pipe, different heat pipe shapes is selected in space etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the internal structure schematic diagram of Fig. 1:
Fig. 3 is the utility model structural representation being provided with heat power supply device.
In Fig. 1 and Fig. 3,1, work heat pipe; 2, auxiliary heat pipe; 3, annular water conservancy diversion cavity; 4, heat power supply device.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As depicted in figs. 1 and 2, a kind of composite heat pipe, comprise work heat pipe 1, also comprise the auxiliary heat pipe 2 be inserted in described work heat pipe, described auxiliary heat pipe 2 comprises inner end and external part, the inner end of described auxiliary heat pipe 2 is located at bottom one end of described work heat pipe 1, and the other end that external part is stretched over described work heat pipe 1 is outside, forms the annular water conservancy diversion cavity 3 of sealing between described work heat pipe 1 and auxiliary heat pipe 2.
Described work heat pipe 1 and auxiliary heat pipe 2 comprise condensation segment, evaporator section and adiabatic section respectively, the condensation segment of described auxiliary heat pipe 2 or evaporator section are inserted and are stretched in the evaporator section or condensation segment of described work heat pipe 1, outside the condensation segment that the evaporator section of described auxiliary heat pipe 2 or condensation segment are stretched over described work heat pipe 1 or evaporator section.
The adiabatic section of described auxiliary heat pipe 2 is stretched out outside described work heat pipe 1.
As shown in Figure 3:
The external part of described auxiliary heat pipe is also provided with heat power supply device 4, and described heat power supply device 4 comprises low-temperature heat source or high temperature heat source.
Described low-temperature heat source is refrigerating plant, and described high temperature heat source is heating combined equipment.In concrete enforcement, refrigeration or heating combined equipment can adopt various energy resources, as electricity refrigeration, heat.
Described work heat pipe 1 or auxiliary heat pipe 2 include core heat pipe or gravity assisted heat pipe (i.e. two-phase closed type hot siphon); Can also be gravity auxiliary heat pipe, rotating heat pipe, electric current carry power heat pipe, magneto hydrodynamic heat pipe and infiltration heat pipe etc.
Described work heat pipe 1 and auxiliary heat pipe 2 cross section are circle, flat ellipse or rectangle.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a composite heat pipe, comprise work heat pipe, it is characterized in that, also comprise the auxiliary heat pipe be inserted in described work heat pipe, described auxiliary heat pipe comprises inner end and external part, the inner end of described auxiliary heat pipe is located at bottom one end of described work heat pipe, and the other end that external part is stretched over described work heat pipe is outside, forms the annular water conservancy diversion cavity of sealing between described work heat pipe and auxiliary heat pipe.
2. composite heat pipe according to claim 1, it is characterized in that, described work heat pipe and auxiliary heat pipe comprise condensation segment, evaporator section and adiabatic section respectively, the condensation segment of described auxiliary heat pipe or evaporator section are inserted and are stretched in the evaporator section or condensation segment of described work heat pipe, outside the condensation segment that the evaporator section of described auxiliary heat pipe or condensation segment are stretched over described work heat pipe or evaporator section.
3. composite heat pipe according to claim 2, is characterized in that, the adiabatic section of described auxiliary heat pipe is stretched out outside described work heat pipe.
4. composite heat pipe according to claim 1 and 2, is characterized in that, the external part of described auxiliary heat pipe is also provided with heat power supply device, and described heat power supply device comprises low-temperature heat source or high temperature heat source.
5. composite heat pipe according to claim 4, is characterized in that, described low-temperature heat source is refrigerating plant, and described high temperature heat source is heating combined equipment.
6. composite heat pipe according to claim 1, is characterized in that, described work heat pipe or auxiliary heat pipe include core heat pipe or gravity assisted heat pipe.
7. composite heat pipe according to claim 1, is characterized in that, described work heat pipe and auxiliary heat pipe cross section are circle, flat ellipse or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660039.1U CN204313683U (en) | 2014-11-06 | 2014-11-06 | A kind of composite heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660039.1U CN204313683U (en) | 2014-11-06 | 2014-11-06 | A kind of composite heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204313683U true CN204313683U (en) | 2015-05-06 |
Family
ID=53135991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420660039.1U Expired - Fee Related CN204313683U (en) | 2014-11-06 | 2014-11-06 | A kind of composite heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204313683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390502A (en) * | 2014-11-06 | 2015-03-04 | 吴速 | Composite heat pipe |
-
2014
- 2014-11-06 CN CN201420660039.1U patent/CN204313683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390502A (en) * | 2014-11-06 | 2015-03-04 | 吴速 | Composite heat pipe |
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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: 20150506 Termination date: 20161106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |