CN106767056B - A kind of micro heat pipe vacuum pumping and filling device and method - Google Patents
A kind of micro heat pipe vacuum pumping and filling device and method Download PDFInfo
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- CN106767056B CN106767056B CN201611026718.3A CN201611026718A CN106767056B CN 106767056 B CN106767056 B CN 106767056B CN 201611026718 A CN201611026718 A CN 201611026718A CN 106767056 B CN106767056 B CN 106767056B
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- micro
- robert
- hose clamp
- heat pipe
- impregnator
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Classifications
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- 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
- F28D15/0283—Means for filling or sealing heat pipes
Abstract
The present invention provides a kind of micro heat pipe vacuum pumping and filling device and methods, including pumped vacuum systems and filling system two parts.Wherein, pumped vacuum systems is mainly sequentially connected and is formed by vacuum pump, digital vacuum meter, pressure sensor and receiver, and each section is by piping connection, and opening and closing by noticeable degree pipeline；Filling system includes buret, micro impregnator, transparent silica gel hose etc., and is disposed with multiple Robert's hose clamps in the different parts of transparent silica gel hose, and the switching function of valve-like may be implemented.Present apparatus structure simple economy, is only achieved that by the operation of the finite steps to valve and vacuumizes and fill process, can the amount of working medium filled to micro heat pipe accurately controlled, and precise measurement can be carried out to micro heat pipe internal cavities volume.
Description
Technical field
The present invention relates to heat pipe encapsulation technology field, specially a kind of micro heat pipe vacuum pumping and filling device and method are used
To complete the accurate quantification filling of low-grade fever intraductal working medium.
Background technique
With increasingly increasing for electronic circuit integrated level and popularizing for intelligent and portable equipment, high heat flux density in short space
Heat dissipation problem it is urgently to be resolved.Low-grade fever Manifold technology starts to obtain and more answer as a kind of feasible and efficient heat dissipation solution
With.2014, hot pipe technique was applied in mobile phone heat dissipation by Sony for the first time.But this heat pipe cross sectional dimensions is usually as low as
How hundred micron dimensions accurately fill a certain amount of working medium there are still technologies and is tired in tens to hundreds of microlitres of inside heat pipe
It is difficult.
In the micro heat pipe vacuum pumping and filling device being currently known, it is difficult to realize the accurate control to filled working medium amount
System.Application number 201310231732.7, entitled " a kind of gas phase temperature control working medium method for filling of micro heat pipe " patent disclose
A kind of micro heat pipe filling working medium scheme applied to high heat flux density heat dissipation, it is characterized in that controlling micro heat pipe and working medium container respectively
Temperature, utilize the two temperature difference realize gas-phase working medium filling.But the program determines the amount of filling working medium by the time, cannot
Realize accurate control, and required temperature control system higher cost, working medium infilling time are longer.Application number 03223886.X,
The patent of entitled " a kind of vacuum liquid filling device for miniature heat pipe " is then by vacuumizing circuit system, liquid bypass system and micro liquid
Body scaling system constitute it is a kind of vacuumized for micro heat pipe and the efficient apparatus of filling liquid, but by miniature pincers in infusion tube
On clamp the method for the size for carrying out accurately to control filling working medium amount at calibration scale and still owe accurate.Therefore, it finds or using other
Micro heat pipe vacuum pumping and filling method simpler practical and that be able to achieve accurate control filling working medium amount, are promoting micro heat pipe skill
There is very high potential using value in terms of art.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of micro heat pipe vacuum pumping and filling device and sides
Method.Specific technical solution is as follows:
A kind of micro heat pipe vacuum pumping and filling device, which is characterized in that including vacuum system and filling system；
The vacuum system, including vacuum pump, metal tubes and receiver,
One end of the vacuum pump is connected with one end of one section of metal tubes, and the other end of this section of metal tubes is placed in reservoir
In tank, which is placed in the ullage in receiver always；
The filling system, including buret, micro impregnator, transparent silica gel hose, micro heat pipe；
The micro impregnator, including fluid inlet, fluid outlet；
The buret is connected by transparent silica gel hose with one end of threeway B, accompanies sieve on this section of transparent silica gel hose
Bert hose clamp A；
One end of another section of metal tubes is placed in receiver, which can be located at reservoir close to reservoir pot bottom, port
Below liquid level in tank, the other end is connected with the one end at the other both ends of threeway B, and liquid refrigerant is straight when can be used for preventing maloperation
It connects and enters in vacuum pump, vacuum pump is damaged.The other end of threeway B passes through transparent silica gel hose and micro impregnator
Fluid inlet is connected, and Robert's hose clamp B is accompanied on this section of transparent silica gel hose；The fluid outlet of micro impregnator passes through another
Section transparent silica gel hose is connected with micro heat pipe, and Robert's hose clamp C is accompanied on this section of transparent silica gel hose.
By threeway A equipped with pressure sensor and digital vacuum in metal tubes between the vacuum pump and receiver
Meter, for reading the pressure in metal tubes.
Needle-valve A is housed, for controlling the connected state of vacuum pump and metal tubes between the vacuum pump and threeway A.
Needle-valve B is housed, for controlling being connected to for pumped vacuum systems I and filling system II between the receiver and threeway B
State.
A kind of micro heat pipe vacuum pumping and filling method, which is characterized in that comprise the following steps:
S1: closing all needle-valves and Robert's hose clamp, and a certain amount of working medium is injected in buret；
S2: needle-valve A, needle-valve B are opened, pressure atmospheric pressure in vacuum pump to the pipeline between buret is made；Open sieve
Bert hose clamp A, the working medium in buret slowly flows across Robert's hose clamp, to exclude Robert's hose clamp A and its upper tube
Incoagulable gas in road closes Robert's hose clamp A；
S3: opening Robert's hose clamp B and Robert hose clamp C, vacuum pump made to start to work, until pressure drop in pipeline
To 0.1Pa, successively Robert's hose clamp C, Robert's hose clamp B, needle-valve B, needle-valve A and vacuum pump；
S4: Robert's hose clamp A and Robert hose clamp B is successively opened, makes the working medium in buret under differential pressure action
It passes sequentially through threeway B, Robert's hose clamp B to enter in micro impregnator, until working medium stop motion；
S5: slowly pushing micro syringe, makes the medium level registration V1 in micro syringe, successively closes Robert
Hose clamp B and Robert's hose clamp A；
S6: opening Robert's hose clamp C, and due to being vacuum state in micro heat pipe, the working medium in micro impregnator is in pressure difference
Effect is lower to be entered in micro heat pipe by fluid outlet, is pushed the piston of micro impregnator, is all introduced into its internal working medium
In micro heat pipe, Robert's hose clamp C is closed；
S7: after filling, if still there is residual working medium in fluid inlet and fluid outlet, the work for the micro impregnator that can pull back
Plug, makes to remain working medium and fully enters in micro impregnator, the liquid level registration V2 of record micro impregnator intraductal working medium at this time, then micro-
The true volume of the working medium filled in heat pipe is V=V1-V2.
Micro heat pipe vacuum pumping and filling device of the present invention have the advantage that
1. present apparatus structure simple economy, is only achieved that by the operation of the finite steps to valve and vacuumizes and filled
Journey；
2. the present apparatus can the amount of working medium filled to micro heat pipe accurately controlled, while can be to micro heat pipe internal cavities body
Product carries out precise measurement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of micro heat pipe vacuum pumping of the present invention and filling device.
Fig. 2 is partial enlarged view at Robert's hose clamp A of the present invention.
Fig. 3 is the micro impregnator injection port partial enlarged view of the present invention.
Wherein, 1, vacuum pump, 2, metal tubes, 3-1, needle-valve A, 3-2, needle-valve B, 4, digital vacuum meter, 5, pressure sensing
Device, 6, receiver, 8, buret, 9-1, Robert's hose clamp A, 9-2, Robert's hose clamp B, 9-3, Robert hose clamp C,
10-1, threeway A, 10-2, threeway B, 13, micro heat pipe, 14, micro impregnator, 15, transparent silica gel hose, 16, fluid inlet, 17,
Fluid outlet.
Specific embodiment
As shown in Figure 1, a kind of 1, micro heat pipe vacuum pumping and filling device, which is characterized in that including vacuum system I and filling
System II；
The vacuum system I, including vacuum pump 1, metal tubes 2 and receiver 6, one end of the vacuum pump 1 with one section
One end of metal tubes 2 is connected, and the other end of this section of metal tubes 2 is placed in receiver 6, which is placed in receiver 6 always
Interior ullage；
The filling system II, including buret 8, micro impregnator 14, transparent silica gel hose 15, micro heat pipe 13；
As shown in Fig. 2, the micro impregnator 14, including fluid inlet 16, fluid outlet 17；
The buret 8 is connected by transparent silica gel hose 15 with one end of threeway B10-2, this section of transparent silica gel hose 15
On accompany Robert's hose clamp A9-1；
One end of another section of metal tubes 2 is placed in receiver 6, the port close to 6 bottom of receiver, when operating procedure just
Receiver 6 is without working medium when really, if there is operation error, there are when working medium in receiver 6, which can be located in receiver 6
Liquid level below, 2 other end of metal tubes is connected with the one end at the other both ends of threeway B10-2, and the other end of threeway B10-2 leads to
It crosses transparent silica gel hose 15 to be connected with the fluid inlet 16 of micro impregnator 14, accompanies Robert on this section of transparent silica gel hose 15
Hose clamp B9-2；The fluid outlet 17 of micro impregnator 14 is connected by another section of transparent silica gel hose 15 with micro heat pipe 13, should
Robert's hose clamp C9-3 is accompanied on section transparent silica gel hose 15.
5 sum number of pressure sensor is equipped with by threeway A10-1 in metal tubes 2 between the vacuum pump 1 and receiver 6
Word vacuum meter 4, for reading the pressure in metal tubes 2.
Needle-valve A3-1 is housed, for controlling the company of vacuum pump 1 Yu metal tubes 2 between the vacuum pump 1 and threeway A10-1
Logical state.
Needle-valve B3-2 is housed, for controlling pumped vacuum systems I and filling system between the receiver 6 and threeway B10-2
II connected state.
In the present embodiment, according to its volume of the size estimation of micro heat pipe 13 to be measured, the titration of appropriate size is selected
Pipe 8.Wherein described 15 internal diameter of transparent silica gel hose is 0.5mm, and 8 range of buret is 2ml, and 14 range of micro syringe is
500 μ L, selection working medium are FC-72.The primary operational for obtaining the micro heat pipe 13 with certain liquid filled ratio is as follows:
A kind of micro heat pipe vacuum pumping and filling method, which is characterized in that comprise the following steps:
S1: closing all needle-valves and Robert's hose clamp, and about 2ml working medium is injected in buret 8；
S2: needle-valve A3-1, needle-valve B3-2 are opened, pressure atmospheric pressure in vacuum pump 1 to the pipeline between buret 8 is made
By force；Robert's hose clamp A9-1 is opened, the working medium in buret 8 slowly flows across Robert hose clamp A9-1, to exclude Robert
Incoagulable gas in hose clamp A9-1 and its upper pipeline closes Robert's hose clamp A9-1；
S3: opening Robert's hose clamp B9-2 and Robert hose clamp C9-3, and vacuum pump 1 is made to start to work, until pipeline
Interior pressure is down within 0.1Pa, and Robert's hose clamp C9-3, Robert's hose clamp B9-2, needle-valve B3-2, needle-valve are successively closed
A3-1 and vacuum pump 1；
S4: Robert's hose clamp A9-1 and Robert hose clamp B9-2 is successively opened, makes the working medium in buret 8 in pressure difference
It passes sequentially through threeway B10-2, Robert's hose clamp B9-2 under effect to enter in micro impregnator 14, until working medium stop motion；
S5: micro syringe 14 is slowly pushed, makes the medium level registration V1 in micro syringe 14, successively closes sieve
Bert hose clamp B9-2 and Robert's hose clamp A9-1；
S6: opening Robert's hose clamp C9-3, the working medium due to being vacuum state in micro heat pipe 13, in micro impregnator 14
It is entered in micro heat pipe 13 under differential pressure action by fluid outlet 17, pushes the piston of micro impregnator 14, make its internal work
Matter is all introduced into micro heat pipe 13, closes Robert's hose clamp C9-3；
S7: after filling, if still having residual working medium in fluid inlet 16 and fluid outlet 17, can pull back micro impregnator
14 piston fully enters residual working medium in micro impregnator 14, records the liquid level of micro 14 intraductal working medium of impregnator at this time
Registration V2, the then true volume of the working medium filled in micro heat pipe 13 are V=V1-V2.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (5)
1. a kind of micro heat pipe vacuum pumping and filling device, which is characterized in that including vacuum system I and filling system II；
The vacuum system I, including vacuum pump (1), metal tubes (2) and receiver (6),
One end of the vacuum pump (1) is connected with one end of one section of metal tubes (2), and the other end of this section of metal tubes (2) is set
In receiver (6), which is placed in the ullage in receiver (6) always；
The filling system II, including buret (8), micro impregnator (14), transparent silica gel hose (15), micro heat pipe (13)；
The micro impregnator (14), including fluid inlet (16), fluid outlet (17)；
The buret (8) is connected by transparent silica gel hose (15) with one end of threeway B (10-2), this section of transparent silica gel hose
(15) Robert's hose clamp A (9-1) is accompanied on；
One end of another section of metal tubes (2) is placed in receiver (6), which is located at storage close to receiver (6) bottom, port
Below liquid level in flow container (6), the other end is connected with the one end at the other both ends of threeway B (10-2), and threeway B's (10-2) is another
End is connected by transparent silica gel hose (15) with the fluid inlet (16) of micro impregnator (14), this section of transparent silica gel hose (15)
On accompany Robert's hose clamp B (9-2)；The fluid outlet (17) of micro impregnator (14) passes through another section of transparent silica gel hose
(15) it is connected with micro heat pipe (13), accompanies Robert's hose clamp C (9-3) on this section of transparent silica gel hose (15).
2. a kind of micro heat pipe vacuum pumping according to claim 1 and filling device, which is characterized in that the vacuum pump (1)
By threeway A (10-1) equipped with pressure sensor (5) and digital vacuum meter in metal tubes (2) between receiver (6)
(4), for reading the pressure in metal tubes (2).
3. a kind of micro heat pipe vacuum pumping according to claim 2 and filling device, which is characterized in that the vacuum pump (1)
Needle-valve A (3-1) is housed between threeway A (10-1), for controlling the connected state of vacuum pump (1) Yu metal tubes (2).
4. a kind of micro heat pipe vacuum pumping according to claim 1 and filling device, which is characterized in that the receiver (6)
Needle-valve B (3-2) is housed between threeway B (10-2), for controlling the connected state of pumped vacuum systems I and filling system II.
5. a kind of micro heat pipe vacuum pumping and filling method, which is characterized in that comprise the following steps:
S1: closing all needle-valves and Robert's hose clamp, a certain amount of working medium of injection in buret (8)；
S2: needle-valve A (3-1), needle-valve B (3-2) are opened, pressure atmosphere in vacuum pump (1) to the pipeline between buret (8) is made
Pressure；It opens Robert's hose clamp A (9-1), the working medium in buret (8) slowly flows across Robert's hose clamp A (9-1), with row
Except the incoagulable gas in Robert's hose clamp A (9-1) and its upper pipeline, close Robert's hose clamp A (9-1)；
S3: opening Robert's hose clamp B (9-2) and Robert's hose clamp C (9-3), and vacuum pump (1) is made to start to work, until pipe
Pressure is down within 0.1Pa in road, successively closes Robert's hose clamp C (9-3), Robert's hose clamp B (9-2), needle-valve B (3-
2), needle-valve A (3-1) and vacuum pump (1)；
S4: Robert's hose clamp A (9-1) and Robert's hose clamp B (9-2) are successively opened, the working medium in buret (8) is being pressed
It passes sequentially through threeway B (10-2), Robert's hose clamp B (9-2) under difference effect to enter in micro impregnator (14), until working medium is stopped
Only move；
S5: slowly pushing micro impregnator (14), makes the medium level registration V1 in micro impregnator (14), successively closes sieve
Bert hose clamp B (9-2) and Robert's hose clamp A (9-1)；
S6: opening Robert's hose clamp C (9-3), the work due to being vacuum state in micro heat pipe (13), in micro impregnator (14)
Matter is entered in micro heat pipe (13) under differential pressure action by fluid outlet (17), is pushed the piston of micro impregnator (14), is made
Its internal working medium is all introduced into micro heat pipe (13), is closed Robert's hose clamp C (9-3)；
S7: after filling, if still having residual working medium in fluid inlet (16) and fluid outlet (17), micro impregnator of pulling back
(14) piston fully enters residual working medium in micro impregnator (14), records micro impregnator (14) intraductal working medium at this time
Liquid level registration V2, then the true volume of the working medium filled in micro heat pipe (13) is V=V1-V2.
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| CN201611026718.3A CN106767056B (en) | 2016-11-22 | 2016-11-22 | A kind of micro heat pipe vacuum pumping and filling device and method |
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| CN201611026718.3A CN106767056B (en) | 2016-11-22 | 2016-11-22 | A kind of micro heat pipe vacuum pumping and filling device and method |
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| CN106767056B true CN106767056B (en) | 2018-12-14 |
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| CN107436106B (en) * | 2017-09-12 | 2023-05-05 | 大连海事大学 | Liquid filling device and method for liquid metal high-temperature pulsating heat pipe |
| CN108106471A (en) * | 2017-12-15 | 2018-06-01 | 陕西仙童科技有限公司 | A kind of accurate filling system of heat-pipe working medium and filling method |
| CN108568703B (en) * | 2018-04-20 | 2020-10-27 | 西安交通大学 | Flexible heat pipe for cooling surface of rotating shaft of high-speed electric spindle |
| CN109237974A (en) * | 2018-09-08 | 2019-01-18 | 吴联凯 | A kind of branch pipe type sodium heat pipe producing device and production method |
| CN110455104B (en) * | 2019-08-22 | 2021-05-11 | 广东工业大学 | Channel type soaking plate packaging and testing equipment |
| CN111692074B (en) * | 2020-04-24 | 2022-11-25 | 中国电力科学研究院有限公司 | Vacuum liquid injection device and vacuum liquid injection method |
| CN112747617B (en) * | 2021-02-08 | 2022-07-29 | 太原理工大学 | Automatic multi-heat-pipe vacuum quantitative working medium filling system |
| CN114136130A (en) * | 2021-11-11 | 2022-03-04 | 江苏华洋新思路能源装备股份有限公司 | Combined heat pipe vacuumizing water injection device |
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| JP2010190453A (en) * | 2009-02-17 | 2010-09-02 | Mitsubishi Electric Corp | Gas liquid filling device |
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| CN2600920Y (en) * | 2003-03-03 | 2004-01-21 | 中国科学院广州能源研究所 | Vacuum liquid filling device for miniature heat pipe |
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