CN108662932A - Cyclic annular porous heat pipe and heat-exchange device - Google Patents
Cyclic annular porous heat pipe and heat-exchange device Download PDFInfo
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- CN108662932A CN108662932A CN201710197732.8A CN201710197732A CN108662932A CN 108662932 A CN108662932 A CN 108662932A CN 201710197732 A CN201710197732 A CN 201710197732A CN 108662932 A CN108662932 A CN 108662932A
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- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 77
- 239000011148 porous material Substances 0.000 claims abstract description 36
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000011049 filling Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000009833 condensation Methods 0.000 description 16
- 230000005494 condensation Effects 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000014666 liquid concentrate Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
- F28D15/04—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 with tubes having a capillary structure
- F28D15/043—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 with tubes having a capillary structure forming loops, e.g. capillary pumped loops
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
To overcome in existing porous heat pipe since phase-change working substance is only recycled in the inside of porous heat pipe, the not high problem of heat transfer efficiency, the present invention provides a kind of porous heat pipes of ring-type, including cyclic annular tube body and fill head, the ring-type tube body by it is described fill it is end to end, there are multiple microchannel pores in the ring-type tube body, multiple microchannel pores extend along the cyclic annular tube body, described fill is formed with cavity in head, the head end of the microchannel pore is connected to tail end by the cavity, to form the working medium closed circulation space comprising multiple microchannel pores and cavity in the porous heat pipe of ring-type, the working medium closed circulation is perfused with phase-change working substance in space.The porous heat pipe of ring-type provided by the invention can generate flow circuit in working medium closed circulation space, improve the transfer efficiency of gaseous state and the phase-change working substance of liquid, and then effectively improve the heat transfer efficiency of the porous heat pipe of the ring-type.
Description
Technical field
The invention belongs to thermal management technology field, it is related to a kind of porous heat pipe of ring-type and heat-exchange device.
Background technology
In fields such as electric vehicle, industrial electronic, consumer electronics, computer room and data servers, equipment or device exist
It will produce a large amount of heat when work, if the heat of generation cannot scatter away in time, the temperature or environment temperature of equipment can be made
Constantly rise, high temperature can seriously affect operation stability and the service life of equipment, it is therefore desirable to carry out various heat managements so that set
It is standby to work within the scope of suitable temperature.
Heat management includes heat transfer and heat dissipation, and a kind of existing heat transfer unit (HTU) is porous heat pipe, and the inside of porous heat pipe is micro- logical
For the quantity in road hole at 2 or more, the quantity and mode of communicating of these microchannel pores directly influence the heat transfer efficiency of porous heat pipe.
The shape of the porous heat pipe mainly used currently on the market is " u "-shaped either " L-shaped " or " one " shape, and phase-change working substance is mainly in warm
It is recycled inside pipe, heat transfer efficiency is not high.
Invention content
For, since phase-change working substance is only recycled in the inside of porous heat pipe, heat transfer efficiency is not high to ask in existing porous heat pipe
Topic, the present invention provides a kind of porous heat pipe of ring-type and heat-exchange devices.
Technical solution is as follows used by the present invention solves above-mentioned technical problem：
A kind of porous heat pipe of ring-type is provided, including cyclic annular tube body and fills head, the ring-type tube body fills head by described
It is end to end, there are multiple microchannel pores, multiple microchannel pores to extend along the cyclic annular tube body, institute in the ring-type tube body
It states to fill and is formed with cavity in head, the head end of the microchannel pore is connected to tail end by the cavity, with more in the ring-type
The working medium closed circulation space comprising multiple microchannel pores and cavity, working medium closed circulation space are formed in the heat pipe of hole
Inside it is perfused with phase-change working substance.
Further, the cyclic annular tube body is wound by flat tube forms, and the inner surface and the outer surface of the cyclic annular tube body is
Two larger apparent surfaces of its area.
Further, the two sides for filling head are provided with the first connector being connected to by the cavity and the second connection
Mouthful, the head end sealing of the ring-type tube body is plugged in first connector, and the tail end sealing of the ring-type tube body is plugged in
Head end tail end in second connector.
Further, the link position of the outer wall of the head end of the cyclic annular tube body and first connector by welding or
Gluing is sealed, and the outer wall of tail end and the link position of second connector of the ring-type tube body pass through welding or gluing
It is sealed.
Further, it is described fill to be provided on head fill column, described fill in column is internally provided with for phase transformation to be perfused
The reservoir channel of working medium, the reservoir channel are connected to the cavity.
Further, the cyclic annular tube body at least local torsion, so that when the porous heat pipe of ring-type is horizontal positioned, work
Matter closed circulation space at least generates difference in height at the both ends at the torsion position corresponding to cyclic annular tube body.
Further, the head end of the cyclic annular tube body and tail end are in the both sides mutual dislocation for filling head, so that institute
State cyclic annular porous heat pipe it is horizontal positioned when, the head end of the ring-type tube body has difference in height with tail end.
Further, the cyclic annular tube body in annular shape, elliptical annular, regular polygon be cyclic annular or irregular ring-type.
A kind of heat-exchange device, including heat source, low-temperature receiver and cyclic annular porous heat pipe as described above, the heat source and ring-type are more
The surface of hole heat pipe is contacted in first position, and the surface of the low-temperature receiver and cyclic annular porous heat pipe is different from the first position
The second position contacts.
Further, the first position is separated by 165 °~195 ° on the porous heat pipe of ring-type with the second position and sets
It sets.
According to the porous heat pipe of ring-type provided by the invention, it is provided with cyclic annular tube body, is formed in the inside of the cyclic annular tube body
There are mutually independent multiple microchannel pores, the microchannel pore head and the tail connection to be formed with working medium closed circulation space, the working medium
Closed circulation space is cyclic structure, motive force, the microchannel pore sheet that the vaporization by phase-change working substance at heat source generates as a result,
Under the influence of the capillarity and gravity of body, flow circuit can be generated in working medium closed circulation space, improve gas
The transfer efficiency of the phase-change working substance of state and liquid, and then effectively improve the heat transfer efficiency of the porous heat pipe of the ring-type.
Description of the drawings
Fig. 1 is the structural schematic diagram for the porous heat pipe of ring-type that the embodiment of the present invention 1 provides；
Fig. 2 is the rear view for the porous heat pipe of ring-type that the embodiment of the present invention 1 provides；
Fig. 3 is the sectional view in the faces A-A in Fig. 2；
Fig. 4 is the enlarged diagram at B in Fig. 3；
Fig. 5 is the enlarged diagram at C in Fig. 3；
Fig. 6 be the porous heat pipe of ring-type that provides of the embodiment of the present invention 1 its fill the structural schematic diagram of head；
Fig. 7 be the porous heat pipe of ring-type that provides of the embodiment of the present invention 1 its fill the side view of head；
Fig. 8 is the sectional view in the faces D-D in Fig. 7；
Fig. 9 is the front view for the porous heat pipe of ring-type that inventive embodiments 2 provide；
Figure 10 be the porous heat pipe of ring-type that provides of inventive embodiments 2 its fill the side view of head；
Figure 11 is the sectional view in the faces E-E in Figure 10.
Reference numeral in Figure of description is as follows：
1, cyclic annular tube body；11, microchannel pore；2, head is filled；21, column is filled；211, reservoir channel；22, cavity；23,
One connector；24, the second connector；
1a, cyclic annular tube body；2a, head is filled；22a, cavity；23a, the first connector；24a, the second connector；25, first
Lug boss；26, the second lug boss.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the present invention, it is to be understood that, term " axial direction ", " width ", " thickness ", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For convenience of description of the present invention and simplification of the description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless
It is otherwise noted, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be mechanical connection,
It can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary inside two elements
Connection.For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains with concrete condition
Justice.
Embodiment 1
Shown in Fig. 1~Fig. 5, present embodiment discloses a kind of porous heat pipe of ring-type, including cyclic annular tube body 1 and head is filled
2, there is the ring-type tube body 1 head end and tail end, the head end and tail end of the ring-type tube body 1 to fill first 2 head and the tail phase by described
It connects, there are multiple microchannel pores 11, multiple microchannel pores 11 to extend along the cyclic annular tube body 1, institute in the ring-type tube body 1
It states to fill and is formed with cavity 22 in first 2, the head end of the microchannel pore 11 is connected to tail end by the cavity 22, with described
The working medium closed circulation space comprising multiple microchannel pores 11 and cavity 22, the working medium envelope are formed in cyclic annular porous heat pipe
Closed loop is perfused with phase-change working substance in space.
There is evaporator section and condensation segment on the ring-type tube body 1, the phase-change working substance is low-boiling point liquid, in the ring-type
The evaporator section of tube body 1, the working fluid in microchannel pore 11 are taken away heat by thermal evaporation, which is the steaming of phase-change working substance
Latent heat is sent out, steam flows to the condensation segment of cyclic annular tube body 1 from microchannel pore 11, condenses into liquid, while releasing latent heat, makees in capillary
With under gravity, liquid reflux to evaporator section.In this way, just complete a closed circulation, to by a large amount of heat from
Evaporator section passes to condensation segment, it should be noted that and the evaporator section and condensation segment are not the concrete structure of the cyclic annular tube body 1,
And refer to the position that heat source and low-temperature receiver carry out heat transfer with the cyclic annular tube body 1.
The porous heat pipe of ring-type in the present embodiment includes cyclic annular tube body 1, and the ring-type tube body 1 is in the same plane,
The working medium closed circulation space of a closed circulation, the ring-type are formed by the microchannel pore 11 extended along the cyclic annular tube body 1
There are many use states of porous heat pipe：
Use state one：The cyclic annular tube body 1 is placed in perpendicular direction, by the evaporator section of the cyclic annular tube body 1
It is set to the bottommost of the cyclic annular tube body 1, the condensation segment of the cyclic annular tube body 1 is set to the most top of the cyclic annular tube body 1
Portion contacts heat source with the bottommost of the cyclic annular tube body 1, the low-temperature receiver is contacted with the top of the cyclic annular tube body 1,
Ideally, the steam that evaporator section is formed rises to the condensation segment condensation of the cyclic annular tube body 1 along the both sides of cyclic annular tube body 1
Afterwards, it flows down along the both sides of cyclic annular tube body 1 with gravity, leads to since steam and liquid share under this kind of state through capillary action
Road can influence gas-liquid exchange efficiency；And under virtual condition, due to evaporator section calorific value unevenness and condensation segment condensation efficiency not
, it is easy to be formed in vapor collection the flowing of 1 side of cyclic annular tube body, the case where liquid concentrates the flowing of 1 other side of cyclic annular tube body, to shape
The case where at circulating, heat exchange efficiency is higher, therefore the evaporator section and condensation segment are slightly deviateed the ring-type under preferable case
The bottommost and top of tube body 1 are arranged, to promote the formation circulated.
Use state two：By the cyclic annular 1 inclined placement of tube body, the mode of action of the cyclic annular tube body 1 under the state with
Use state one is similar, is mainly formed and is recycled by steam diffusion, capillarity and gravity, while passing through evaporator section
Offset with condensation segment can promote the formation circulated.
Use state three：The cyclic annular tube body 1 is placed in horizontal plane direction, the evaporation of the cyclic annular tube body described at this time 1
Section and condensation segment are in the same plane, are mainly circulated by steam diffusion and capillarity formation, circulating effect
It is relatively poor.
Forming capillarity by microchannel pore 11 in the present embodiment in other embodiments also can be by described micro-
Fibrous material is added in access opening 11, to improve its guiding function to liquid.
Shown in Figure 1, in the present embodiment, the ring-type tube body 1 is wound by flat tube to be formed, and the cyclic annular tube body 1
The inner surface and the outer surface be larger two apparent surfaces of its area, i.e., two larger surfaces of the described flat tube area are made respectively
For the inner surface and the outer surface of the cyclic annular tube body 1, cylindrical-shaped structure, the larger inner surface of ring-type 1 area of tube body are formed
The surface contacted with external heat source or low-temperature receiver is can be used as with outer surface.
The flat heat pipe can be formed by aluminium extrusion.
In the present embodiment, the ring-type tube body 1 is in annular shape, it should be noted that circular cyclic annular tube body 1 is only this
Embodiment is preferred, in other embodiments, can be accordingly by the ring-type according to the shape of installation space and heat source, low-temperature receiver surface
Tube body 1 is designed as other shapes, such as elliptical annular, regular polygon be cyclic annular or irregular ring-type.
Shown in Fig. 4 and Fig. 5, multiple microchannel pores 11 are in parallel at certain interval along the width direction of the flat tube
Arrangement, to improve the heat transfer area of the cyclic annular 1 inside phase change medium of tube body and heat source or low-temperature receiver, to improve heat transfer effect
Rate.
Shown in Fig. 3~Fig. 4 and Fig. 6~Fig. 8, in the present embodiment, first 2 two sides of filling are provided with and pass through institute
The first connector 23 and the second connector 24 of cavity connection are stated, the cavity 22 is located at first connector 23 and second company
Between interface 24, and first connector, 23 and second connector 24 is located on same axis, the head end of the ring-type tube body 1
Sealing is plugged in first connector 23, and the tail end sealing of the ring-type tube body 1 is plugged in second connector 24,
First connector, 23 and second connector 24 is strip through-hole compatible with the head end and tail end, multiple described micro- logical
The both ends in road hole 11 are exposed to the head end and tail end and are connected to the cavity 22 respectively, are formed by the cavity 22 described
The both ends interface channel of microchannel pore 11, while being also connected to different microchannel pores 11 between each other so that it is different micro-
Phase change medium between access opening 11 can be exchanged with each other, and improve heat transfer efficiency.
It should be noted that in other embodiments, multiple microchannel pores 11 also can mutually completely cut off, i.e., the described ring-type
The head end and tail end of tube body 1 fill first 2 connection or are directly connected to described in, while the microchannel inside the cyclic annular tube body 1
Hole 11 corresponds and is connected to, to form multiple independent working medium closed circulation spaces.
Shown in Fig. 6~Fig. 8, in the present embodiment, it is described fill to be provided on first 2 fill column 21, it is described to fill column
The reservoir channel 211 for phase-change working substance to be perfused is internally provided in 21, one end of the reservoir channel 211 is through to described fill
Dress column 21 fills first 2 end away from prime number, and the other end of the reservoir channel 211 is connected to the cavity 22, to pass through
It states reservoir channel 211 phase-change working substance is injected into the cavity 22, then by the cavity 22 is injected into phase-change working substance more
In a microchannel pore 11, while the column 21 that fills being flattened to the reservoir channel 211 or right after fluid injection
The reservoir channel 211 carries out welding or gluing closing, and working medium closed circulation space is closed with extraneous.
It is provided with dentalation on the madial wall of the microchannel pore 11, is conducive to increase the phase transformation inside microchannel pore 11
Contact area between working medium and microchannel pore 11, to improve heat exchange efficiency.
Embodiment 2
Shown in Fig. 9~Figure 11, the present embodiment includes most of technical characteristic in embodiment 1, difference
It is：
Present embodiment discloses a kind of porous heat pipe of ring-type, including cyclic annular tube body 1a, have in the ring-type tube body 1a more
A microchannel pore, multiple microchannel pores extend along the cyclic annular tube body 1a, and microchannel pore head and the tail connection is formed with
Working medium closed circulation space, the working medium closed circulation are perfused with phase-change working substance in space.
In the present embodiment, to solve the problems, such as that ring-type tube body 1a heat transfer under horizontal positioned state is insufficient,
In the present embodiment, the cyclic annular tube body 1a at least local torsions, so that when the porous heat pipe of ring-type is horizontal positioned, working medium
Closed circulation space at least generates difference in height at the both ends at the torsion position corresponding to cyclic annular tube body 1a, and the ring-type tube body 1a is each
Part is not on same plane.
Specifically, as shown in figure 9, the ring-type tube body 1a is reversed in 8-shaped.
When above-mentioned cyclic annular tube body 1a is placed in horizontal plane direction, has on the ring-type tube body 1a and be in different height
Pipeline section, can be using the ring-type higher pipeline section in the positions tube body 1a as condensation segment, the lower pipeline section in position, should as evaporator section
Setting can form gravitional force between condensation segment and evaporator section, to promote the steam of the phase transformation wage of evaporator section formation to expand
It is dissipated to condensation segment, the liquid for further also promoting condensation segment formation is back to evaporator section under the effect of gravity, to improve
Heat transfer efficiency of the porous heat pipe of ring-type in horizontal positioned state so that the porous heat pipe of the ring-type also can be in horizontal positioned shape
It is used under state.
It should be noted that for cyclic annular tube body 1a torsion form there are many, can be such as the 8-shaped in the present embodiment
Torsion, in other embodiments, only can also misplace to form difference in height, can also be multitube section in two ends of cyclic annular tube body
Irregular torsion, even formed Moebius ring structure.
Shown in Figure 10~Figure 11, the central shaft of the head end and tail end of the ring-type tube body 1a in the cyclic annular tube body 1a
Mutual dislocation on direction, to form difference in height, the central axis direction of the ring-type tube body 1a refers to the ring-type tube body 1a institutes
The axial direction for the cylindrical-shaped structure to be formed is surrounded, it is corresponding, it is described to fill head in order to adapt to the mutual dislocation of the head end and tail end
The first connector 23a on 2a and the second connector 24a mutual dislocations, so that the head end and tail end are inserted into.
Specifically, the position close to the first connector 23a in the cavity 22a is provided with the first lug boss 25, it is described
Position in the cavity 22a close to the second connector 24a is provided with the second lug boss 26, first lug boss 25 and second
Lug boss 26 is located on the opposite two sides the cavity 22a, and the width of the cavity 22a is equal to first connector
The width of 23a adds the width of the first lug boss 25, and the width of the cavity 22a is equal to the width of the second connector 24a
In addition the width of the second lug boss 26.
Embodiment 3
Present embodiment discloses a kind of heat-exchange devices, including heat source, low-temperature receiver and cyclic annular porous heat as described in Example 1
Pipe, the heat source are bonded with the inner wall of the cyclic annular tube body 1 and/or outer wall, the inner wall of the low-temperature receiver and the cyclic annular tube body 1
And/or outer wall fitting, and the heat source is contacted with the surface of cyclic annular porous heat pipe in first position, the low-temperature receiver and ring-type are porous
The surface of heat pipe is in the second position contact different from the first position.
The first position is separated by 165 °~195 ° settings with the second position on the porous heat pipe of ring-type.
It should be noted that the heat source and low-temperature receiver are relative concept, refer to all not jljls with relative temperature difference
Body.
Using the above-mentioned porous heat pipe of ring-type, the gas-liquid cycle efficiency between heat source and low-temperature receiver can be effectively improved, in turn
Improve heat exchange efficiency.
Embodiment 4
Present embodiment discloses a kind of heat-exchange devices, including heat source, low-temperature receiver and cyclic annular porous heat as described in Example 2
Pipe, the porous heat pipe of ring-type are horizontal setting, the lower pipeline section in position on the heat source and the ring-type tube body 1a
Inner wall and/or outer wall fitting, the low-temperature receiver are pasted with the inner wall of the higher pipeline section in position and/or outer wall on the cyclic annular tube body 1a
It closes, and the heat source is contacted with the surface of cyclic annular porous heat pipe in first position, the surface of the low-temperature receiver and cyclic annular porous heat pipe
In the second position contact different from the first position.
The first position is separated by 165 °~195 ° settings with the second position on the porous heat pipe of ring-type.
Using the above-mentioned porous heat pipe of ring-type, the gas-liquid cycle efficiency between heat source and low-temperature receiver can be effectively improved, in turn
Improve heat exchange efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of porous heat pipe of ring-type, which is characterized in that including cyclic annular tube body and fill head, the ring-type tube body is filled by described
Dress is end to end, and there are multiple microchannel pores, multiple microchannel pores to prolong along the cyclic annular tube body in the ring-type tube body
It stretches, described fill is formed with cavity in head, the head end of the microchannel pore is connected to tail end by the cavity, in the ring
The working medium closed circulation space comprising multiple microchannel pores and cavity, the working medium closed circulation are formed in the porous heat pipe of shape
Phase-change working substance is perfused in space.
2. the porous heat pipe of ring-type according to claim 1, which is characterized in that the ring-type tube body is wound by flat tube to be formed,
And the inner surface and the outer surface of the cyclic annular tube body is two larger apparent surfaces of its area.
3. the porous heat pipe of ring-type according to claim 1, which is characterized in that the two sides for filling head, which are provided with, passes through institute
The first connector and the second connector of cavity connection are stated, the head end sealing of the ring-type tube body is plugged in first connector
In, the tail end sealing of the ring-type tube body is plugged in head end tail end in second connector.
4. the porous heat pipe of ring-type according to claim 3, which is characterized in that the outer wall of the head end of the ring-type tube body and institute
It states the link position of the first connector to be sealed by welding or gluing, the outer wall of the tail end of the ring-type tube body and described the
The link position of two connectors is sealed by welding or gluing.
5. the porous heat pipe of ring-type according to claim 3, which is characterized in that it is described fill to be provided on head fill column, institute
The reservoir channel for filling and being internally provided in column for phase-change working substance to be perfused is stated, the reservoir channel is connected to the cavity.
6. the porous heat pipe of ring-type according to any one of Claims 1 to 5, which is characterized in that the ring-type tube body is extremely
Few local torsion, so that when the porous heat pipe of ring-type is horizontal positioned, working medium closed circulation space is at least corresponding to ring-type
The both ends at the torsion position of tube body generate difference in height.
7. the porous heat pipe of ring-type according to claim 3, which is characterized in that the head end and tail end of the ring-type tube body are in institute
State the both sides mutual dislocation for filling head so that when the porous heat pipe of ring-type is horizontal positioned, the head end of the ring-type tube body with
Tail end has difference in height.
8. the porous heat pipe of ring-type according to claim 1, which is characterized in that the ring-type tube body is in circular, ellipse
Cyclic annular, regular polygon is cyclic annular or irregular ring-type.
9. a kind of heat-exchange device, which is characterized in that including heat source, low-temperature receiver and as described in any one of claim 1~9
Cyclic annular porous heat pipe, the heat source are contacted with the surface of cyclic annular porous heat pipe in first position, the low-temperature receiver and cyclic annular porous heat
The surface of pipe is in the second position contact different from the first position.
10. heat-exchange device according to claim 9, which is characterized in that the first position is with the second position described
It is separated by 165 °~195 ° settings on cyclic annular porous heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197732.8A CN108662932A (en) | 2017-03-29 | 2017-03-29 | Cyclic annular porous heat pipe and heat-exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197732.8A CN108662932A (en) | 2017-03-29 | 2017-03-29 | Cyclic annular porous heat pipe and heat-exchange device |
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| CN108662932A true CN108662932A (en) | 2018-10-16 |
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| JP2002168579A (en) * | 2000-09-22 | 2002-06-14 | Mitsubishi Electric Corp | Thin looped heat pipe and temperature control apparatus comprising it |
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| CN106091771A (en) * | 2016-07-29 | 2016-11-09 | 苏州聚力电机有限公司 | End dock loop type heat pipe |
| CN206959668U (en) * | 2017-03-29 | 2018-02-02 | 深圳市迈安热控科技有限公司 | The porous heat pipe of ring-type and heat-exchange device |
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| US20050210885A1 (en) * | 2002-07-16 | 2005-09-29 | Empresa Brasileira De Compressores S.A.- Embraco | Refrigeration system |
| TW200618723A (en) * | 2004-11-23 | 2006-06-01 | Ind Tech Res Inst | Device of a micro thermosyphon loop for a ferrofluid power generator |
| CN1804531A (en) * | 2005-12-16 | 2006-07-19 | 王怡红 | Ring type heat pipe device |
| CN102135385A (en) * | 2010-12-13 | 2011-07-27 | 江乐新 | Plate type heat pipe with minitype circular channels |
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| CN104482788A (en) * | 2014-10-29 | 2015-04-01 | 北京德能恒信科技有限公司 | Micro heat pipe |
| WO2016119921A1 (en) * | 2015-01-27 | 2016-08-04 | Euro Heat Pipes | Diphasic cooling loop with satellite evaporators |
| CN106066132A (en) * | 2016-07-29 | 2016-11-02 | 苏州聚力电机有限公司 | Pipe end dock loop type heat pipe forming method |
| CN106091771A (en) * | 2016-07-29 | 2016-11-09 | 苏州聚力电机有限公司 | End dock loop type heat pipe |
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