The content of the invention
The invention provides a kind of new heat pipe, so as to solve the technical problem above occurred.
To achieve these goals, technical scheme is as follows:
A kind of heat pipe, including evaporation collector, condensation collector, tedge and return duct, the tedge and evaporation collector and condensation
Collector is connected, and the evaporation collector is located at bottom, and the condensation collector is located at top, and the fluid absorbs heat in evaporation collector
Evaporation, enters condensation collector by tedge, is condensed after being exchanged heat in condensation collector, and the fluid of condensation is returned by return duct
To evaporation collector;Constant-current stabilizer is set in the tedge, and the constant-current stabilizer includes core body and shell, and the core body is arranged on
In shell, the shell is connected with rising inside pipe wall, and the core body is the integration knot extended along outer cover length direction
A number of through hole is provided with component, the structural member.
Preferably, the through hole is circular, the distance between adjacent through hole center of circle L1>2R, wherein R are insertions
Pore radius.
Preferably, setting aperture between adjacent through hole, the connection between through hole is realized by aperture.
Preferably, setting multiple constant-current stabilizers in tedge, the height that distance rises tube inlet is H, adjacent current stabilization dress
The distance between put is S, S=F1(H) following require, is met:
S’<0, S”>0。
Preferably, setting multiple constant-current stabilizers in tedge, the height that distance rises tube inlet is H, constant-current stabilizer
Length is C, C=F2(H) following require, is met:
C’>0, C”>0。
Preferably, setting multiple constant-current stabilizers in tedge, the height that distance rises tube inlet is H, constant-current stabilizer
Through hole a diameter of D, D=F3(H) following require, is met:
D’<0, D”>0。
Preferably, the rising inside pipe wall sets groove, the shell of the constant-current stabilizer is arranged in groove, described outer
The inwall of shell and the aligning inner of tedge.
Preferably, tedge is welded for multi-segment structure, the junction of multi-segment structure sets constant-current stabilizer.
Preferably, the distance between adjacent constant-current stabilizer is S, the length of constant-current stabilizer is C, and the external diameter of heat exchanger tube is W,
The radius of through hole is R, the distance between adjacent through hole center of circle L1, meets following require:
S/C=a-b*LN (W/(2*R));
L1/(2*R) =c*(W/(2*R))-d*(W/(2*R))2-e
Wherein LN is logarithmic function, a, b, c, and d, e is parameter, wherein 3.0<a<3.5,0.5<b<0.6;2.9<c<3.1,0.33<d
<0.37,4.8<e<5.3;
The spacing of wherein constant-current stabilizer is with the distance between relative two ends of adjacent constant-current stabilizer;
34<W<58mm;
4<R<6mm;
17<C<25mm;
32<S<40mm;
1.05<L1/(2*R)<1.25.
Preferably, a=3.20, b=0.54, c=3.03, d=0.35, e=5.12.
Compared with prior art, the present invention has the advantage that:
1)The invention provides a kind of constant-current stabilizer of Novel structure, two-phase fluid is separated into liquid with respect to constant-current stabilizer
Phase and gas phase, small liquid group is divided into by liquid phase, and gas phase is divided into minute bubbles, is suppressed the backflow of liquid phase, is promoted the smooth stream of gas phase
It is dynamic, play a part of regime flow, the effect with vibration and noise reducing improves heat transfer effect.Relative to multitube constant-current stabilizer, enter
One step improves steady flow result, augmentation of heat transfer, and is simple to manufacture.
2)The present invention, equivalent to inner area is added in tedge, is enhanced and changed by setting porous type constant-current stabilizer
Heat, improves heat transfer effect.
3)The present invention is because vehicle repair major is split in the whole cross-section location of tedge, it is to avoid only
Tedge internal face is split, thus entirely rise realized on tube section expand liquid-vaqor interface and vapour phase boundary layer with it is cold
But the contact area of wall and strengthen disturbance, reduce noise and vibrations, enhance heat transfer.
4)The present invention in tedge short transverse by setting distance, the length of constant-current stabilizer between adjacent constant-current stabilizer
The rule change of the parameter sizes such as degree, the external diameter of through hole, so as to further reach steady flow result, reduces noise, improves heat exchange
Effect.
5)The present invention has been carried out widely by the rule that exchanged heat caused by the change to porous type constant-current stabilizer parameters
Research, in the case of flow resistance is met, realizes the best relation formula of the effect of vibration and noise reducing.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, being related to formula, "/" represents division, and "×", " * " represent multiplication.
A kind of heat pipe as shown in Figure 1, including evaporation collector 1, condensation collector 2, tedge 3 and return duct 5, it is described to rise
Pipe 3 is connected with evaporation collector 1 and condensation collector 2, and the evaporation collector 1 is located at bottom, and the condensation collector 2 is located at top,
Fluid heat absorption evaporation in evaporation collector 1, enters condensation collector 2 by tedge 3, is exchanged heat in condensation collector 2
After condense, the fluid of condensation returns to evaporation collector 1 by return duct 5.
As illustrated in figures 4-5, porous type constant-current stabilizer 4 is set in tedge 3.The structure of the porous type constant-current stabilizer 4
See Fig. 3.As shown in figure 3, the constant-current stabilizer 4 includes core body and shell 41, the core body is arranged in shell 41, the shell
It is connected with rising inside pipe wall, the core body is the integral structure part 43 extended along outer cover length direction, the structure
A number of through hole 42 is provided with part.
The present invention sets porous type constant-current stabilizer in tedge 3, by porous type constant-current stabilizer by two-phase fluid
Liquid phase and vapour phase are separated, and liquid phase is divided into small liquid group, vapour phase is divided into minute bubbles, it is to avoid liquid phase and vapour phase it is complete
Separate, promote liquid vapor phase smooth outflow, play a part of regime flow, the effect with vibration and noise reducing.Relative to multitube
Constant-current stabilizer, further improves steady flow result, augmentation of heat transfer, and be simple to manufacture.
The present invention, equivalent to interior heat exchange area is added in tedge, is enhanced by setting porous type constant-current stabilizer
Heat exchange, improves heat transfer effect.
The present invention is because all cross-section locations by gas-liquid two-phase in all tedges are split, so that whole
Gas-liquid interface and the segmentation of gas phase boundary and the contact area of cooling wall are realized on heat exchange tube section and strengthens disturbance, greatly
Big reduces noise and vibrations, enhances heat transfer.
Preferably, the through hole is circular, the distance between adjacent through hole center of circle L1>2R, wherein R are insertions
Pore radius.
Pass through the distance between through hole center of circle L1>2R so that maintained a certain distance between adjacent through hole 42, from
And ensure each hole and preferably separate two phase flow fluid.
Preferably, the core body is the structural member that integration is processed.By setting porous core body, system can be caused
Make simple.
Preferably, setting aperture between adjacent through hole, the connection between through hole 42 is realized by aperture.
Preferably, the position of the both side ends of the connection of return duct 5 evaporation collector 1 and condensation collector 2.So ensure fluid
Flow path in condensation collector 2 is long, can further increase heat-exchange time, improves heat exchange efficiency.
Preferably, setting aperture to realize insertion between adjacent through hole 42.By setting aperture, it is ensured that adjacent
Interconnected between through hole, pressure that can uniformly between through hole so that the fluid of high pressure runner flows to low pressure, while
Liquid phase and vapour phase can further be separated while flow of fluid, be conducive to further stablizing two-phase flow.
Preferably, being passed through in condensation collector 2 in the fluid in heat exchange pipeline, the heat exchange pipeline and condensation collector 2
Steam is exchanged heat.
Preferably, tedge 3 and evaporation collector 1 are all endothermic sections.
Preferably, along the flow direction of fluid in tedge 3(That is Fig. 2 short transverse), tedge 3 is interior to set many
Individual constant-current stabilizer 4, from the entrance of tedge to the outlet of tedge, the distance between adjacent constant-current stabilizer is shorter and shorter.If away from
It is H from rising with a distance from tube inlet, the distance between adjacent constant-current stabilizer is S, S=F1(H), i.e. S is using height H as variable
Function, S ' is S first order derivative, meets following require:
S’<0;
Main cause is because the gas in tedge understands carrier's liquid, in uphill process, tedge in uphill process
It is constantly heated, cause the gas in biphase gas and liquid flow more and more, because the vapour phase in stream-liquid two-phase flow is more and more, rise
Exchange capability of heat in pipe can increase with vapour phase and weaken relatively, and vibrations and its noise also can constantly increase as vapour phase increases
Plus.Therefore need the distance between the adjacent constant-current stabilizer of setting shorter and shorter.
In addition, condensation collector this section is exported to from tedge, because the space of this section becomes big, the change in space suddenly
The quick of gas can be caused to flow upwards out and assemble, therefore spatial variations can cause the vapour phase of aggregation(Vapour group)From tedge position
Into condensation collector, due to gas(Vapour)Liquid density contrast, air mass leaves adapter position and will moved rapidly upward, and the former space bit of air mass
Put and the liquid of wall is pushed away while also by rapid resilience and hitting wall by air mass, form impingement phenomenon.Gas(Vapour)Liquid phase is more not
Continuously, air mass aggregation is bigger, and water hammer energy is bigger.Impingement phenomenon can cause larger noise to shake and mechanical shock, to equipment
Damage.Therefore in order to avoid the generation of this phenomenon, the distance between adjacent constant-current stabilizer now set is shorter and shorter,
So as to constantly separate gas phase and liquid phase in fluid delivery process, so as to reduce vibrations and noise to the full extent.
It is found through experiments that, by above-mentioned setting, vibrations and noise can be both reduced to the full extent, while can carry
High heat transfer effect.
Further preferably, from the entrance of tedge 3 to the outlet of tedge 3, the distance between adjacent constant-current stabilizer is more next
Shorter amplitude is continuously increased.That is S " is S second derivative, meets following require:
S”>0;
It is found through experiments that, by being arranged such, can further reduces by 9% or so vibrations and noise, while it is left to improve 7%
Right heat transfer effect.
Preferably, the length of each constant-current stabilizer 4 keeps constant.
Preferably, in addition to the distance between adjacent constant-current stabilizer 4, constant-current stabilizer others parameter(Such as length,
Caliber etc.)Keep constant.
Preferably, along the short transverse of tedge 3, tedge 3 is interior to set multiple constant-current stabilizers 4, from tedge 3
Entrance is to the outlet of tedge 3, and the length of constant-current stabilizer 4 is increasingly longer.I.e. the length of constant-current stabilizer is C, C=F2(X), C ' is C
First order derivative, meet following require:
C’>0;
Further preferably, from the entrance of tedge to the outlet of tedge, the increasingly longer amplitude of the length of constant-current stabilizer is continuous
Increase.That is C " is C second derivative, meets following require:
C”>0;
The change of the distance between for example adjacent constant-current stabilizer of specific reason is identical.
Preferably, the distance between adjacent constant-current stabilizer keeps constant.
Preferably, except the length of constant-current stabilizer is outside one's consideration, constant-current stabilizer others parameter(Such as adjacent spacing, caliber
Deng)Keep constant.
Preferably, along the short transverse of tedge 3, tedge 3 is interior to set multiple constant-current stabilizers, from tedge 3
Entrance is to the outlet of tedge 3, and the diameter of the through hole 41 in different constant-current stabilizers 4 is less and less.That is the insertion of constant-current stabilizer
Bore dia is D, D=F3(X), D ' is D first order derivative, meets following require:
D’<0;
Preferably, from the entrance of tedge to the outlet of tedge, the less and less amplitude of the insertion bore dia of constant-current stabilizer
It is continuously increased.I.e.
D " is D second derivative, meets following require:
D”>0。
The change of the distance between for example adjacent constant-current stabilizer of specific reason is identical.
Preferably, the length of constant-current stabilizer and the distance of adjacent constant-current stabilizer keep constant.
Preferably, in addition to the insertion bore dia of constant-current stabilizer, constant-current stabilizer others parameter(Such as length, adjacent
The distance between constant-current stabilizer etc.)Keep constant.
Further preferably, as shown in figure 3, the inside of the tedge 3 sets groove, the shell 42 of the constant-current stabilizer 4 is set
Put in groove.
Preferably, the aligning inner of the inwall of shell 42 and tedge 3.Pass through alignment so that tedge internal face table
Reached on face in approximately the same plane, it is ensured that surface it is smooth.
Preferably, the thickness of shell 42 is less than the depth of groove, it can so cause tedge internal face formation groove,
So as to carry out augmentation of heat transfer.
Further preferably, as shown in figure 4, tedge 3 is welded for multi-segment structure, the junction of multi-segment structure sets steady
Flow device 4.This mode causes being simple to manufacture for the tedge for setting constant-current stabilizer, cost reduction.
By analysis and experiment learn, the spacing between constant-current stabilizer can not be excessive, it is excessive if cause damping noise reduction
Effect it is bad, while can not be too small, it is too small if cause resistance excessive, similarly, the external diameter of through hole can not it is excessive or
Person is too small, and the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention is by substantial amounts of experiment, preferential
Meet normal flow resistance(Total pressure-bearing is below 2.5Mpa, or the on-way resistance of single riser is less than or equal to 5Pa/M)
In the case of so that being optimal of damping noise reduction, arrange the optimal relation of parameters.
Preferably, the distance between adjacent constant-current stabilizer is S, the length of constant-current stabilizer is C, and the external diameter of heat exchanger tube is W,
The radius of through hole is R, the distance between adjacent through hole center of circle L1, meets following require:
S/C=a-b*LN (W/(2*R));
L1/(2*R) =c*(W/(2*R))-d*(W/(2*R))2-e
Wherein LN is logarithmic function, a, b, c, and d, e is parameter, wherein 3.0<a<3.5,0.5<b<0.6;2.9<c<3.1,0.33<d
<0.37,4.8<e<5.3;
The interval S of wherein constant-current stabilizer is with the distance between relative two ends of adjacent constant-current stabilizer;That is above constant-current stabilizer
Tail end and the distance between front end of constant-current stabilizer below.Referring specifically to Fig. 4 mark.
34<W<58mm;
4<R<6mm;
17<C<25mm;
32<S<40mm;
1.05<L1/(2*R)<1.25.
Preferably, a=3.20, b=0.54, c=3.03, d=0.35, e=5.12.
Preferably, rising length of tube L between 3000-5500mm.Further preferably, between 3500-4500mm.
By the preferred of the optimal geometric scale of above-mentioned formula, it can realize under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
Further preferably, as W/R increase, a constantly reduce, b constantly increases.
For other parameters, the parameter such as tube wall, housing wall thickness is set according to normal standard.
Preferably, hot tube fluid is water.
Preferably, through hole 42 extends in the whole length direction of constant-current stabilizer 4.I.e. the length of through hole 42 is equal to steady
Flow the length of device 4.
Preferably, the caliber of the evaporation collector 1 is less than the caliber of condensation collector 2.
The internal diameter for evaporating collector is R1, and the internal diameter of condensation collector is R2, is used as preferably then 0.45<R1/R2<0.88.
, can further augmentation of heat transfer by above-mentioned setting, it is possible to increase more than 7% heat exchange efficiency.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.