CN100342197C - Method and apparatus for removing the non-condensation gas inside heat pipes - Google Patents
Method and apparatus for removing the non-condensation gas inside heat pipes Download PDFInfo
- Publication number
- CN100342197C CN100342197C CNB031461530A CN03146153A CN100342197C CN 100342197 C CN100342197 C CN 100342197C CN B031461530 A CNB031461530 A CN B031461530A CN 03146153 A CN03146153 A CN 03146153A CN 100342197 C CN100342197 C CN 100342197C
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- valve
- inside heat
- gas inside
- concretive gas
- 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
Links
Images
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
- F28D15/0283—Means for filling or sealing heat pipes
Abstract
The present invention relates to a method and a device for removing non-condensation gas inside a heat pipe. In the method, working liquid with a scheduled quantity is filled in a heat pipe; the opening of the heat pipe is communicated with vacuum environment; as a result, non-condensation gas is discharged under the condition that the working liquid in the heat pipe is evaporated without boiling. The device is matched with the heat pipe for working and comprises a valve, a vacuum extractor and a vacuum pipeline connecting the valve with the vacuum extractor, wherein one end of the valve, which is away from the vacuum extractor, is used for communicating the heat pipe; the valve is normally in a close state and does the actions of valve opening and valve closing in an intermittent mode. The method and the device of the present invention are used; therefore, the quantity of the working liquid in the heat pipe is stable, the quality of the produced heat pipe is high, and a radiation effect is good.
Description
Technical field
The present invention relates to a kind of method and apparatus of removing not concretive gas inside heat pipe, relate in particular to a kind of can be when making heat pipe, accurately control enclose inside heat pipe working fluid quantity the method for removing this not concretive gas inside heat pipe and realize the directly equipment of use of this method institute.
Prior art
Because characteristics such as heat pipe has very high capacity of heat transmission, conducts heat fast, high, in light weight, the no mobile component of pyroconductivity, simple in structure and multipurpose can be transmitted a large amount of heat and not consumed power, the therefore heat radiation of very suitable electronic product.In addition, known heat pipe inwall all is provided with capillary structure (wick structure), and this capillary structure can be to have capillary mesh grid etc., and relies on the capillarity of these capillary structures, transmits the working fluid (workingfluid) in the heat pipe.
When making heat pipe in the past, discharge the method for the not concretive gas of inside heat pipe, the liquid working fluid of inside heat pipe is discharged in the lump together with not concretive gas, so that the working fluid quantity that is deposited in each inside heat pipe can't be consistent exactly, causes the heat pipe quality uneven.And can not discharge the not concretive gas of inside heat pipe fully, also therefore make that the radiating effect of made heat pipe is not good easily.
Summary of the invention
The present invention makes for the problems referred to above shortcoming that solves prior art.Main purpose of the present invention provides a kind of method and apparatus of removing not concretive gas inside heat pipe, make heat pipe in the process of discharging not concretive gas, can grasp desire more accurately and enclose the working fluid quantity of inside heat pipe, remove the not concretive gas of this inside heat pipe.
To achieve these goals, the invention provides a kind of method of removing not concretive gas inside heat pipe, its key step is as follows:
A) working fluid with scheduled volume injects inside heat pipe, and reserves opening at an end of described heat pipe;
B) making the opening of described heat pipe lead to a vacuum environment, is normally closed obstruct state between described opening and the described vacuum environment; And the moment of the vacuum of described vacuum environment after the obstruct state between described opening and the described vacuum environment is disengaged, remain in certain scope;
C) open the valve mode with batch (-type) and remove the opening of described heat pipe and the obstruct between described vacuum environment repeatedly, and removing in the time that intercepts, make under the situation that the working fluid of described inside heat pipe do not seethe with excitement in evaporation, not concretive gas is discharged by described opening.
In order to realize said method, the invention provides a kind of equipment of removing not concretive gas inside heat pipe, be used for and described heat pipe cooperating.Described equipment comprises valve, vacuum extractor and the vacuum line that connects described valve and described vacuum extractor, wherein, described valve is connected away from an end and the described heat pipe of vacuum extractor, described valve is a normally off, can do out valve and the action of closing valve in the mode of intermittent work.
Use method and apparatus of the present invention, can make that to remain in the heat pipe quality that the working fluid quantity in the heat pipe more stablizes, produces higher, and have great heat radiation effect.
Description of drawings
Fig. 1 is the schematic flow sheet of the inventive method;
Fig. 2 is the action schematic diagram of present device;
Fig. 3 is the A enlarged drawing partly of Fig. 2.
List of parts in the accompanying drawing is as follows:
1-heat pipe 10-working fluid
11-sealing end 110-opening
12-capillary structure 2-valve
3-vacuum extractor 4-vacuum line
5-pressure buffer device 6-pipe joint
The airtight circle of 60-7-heater
The 8-control device
The specific embodiment
Below in conjunction with accompanying drawing feature of the present invention and technology contents are described in detail, the only for reference and explanation usefulness of listed accompanying drawing is not to be limitation of the present invention.
Fig. 1 and Fig. 2 are respectively the schematic flow sheet of the inventive method and the action schematic diagram of equipment.As depicted in figs. 1 and 2, the invention provides a kind of method of removing not concretive gas inside heat pipe, its key step is as follows:
A) 10 (as shown in Figure 3) of working fluid (working fluid) with scheduled volume are injected into heat pipe 1 inside, and reserve opening 110 at an end of this heat pipe 1; Wherein, the amount of working fluid that the scheduled volume of described working fluid 10 is enclosed than desire is many slightly, and is pasted with capillary structure 12 (as shown in Figure 3) on heat pipe 1 inwall, and opening 110 is positioned on the sealing end that is used for sealing 11 of heat pipe 1.
B) make the opening 110 of heat pipe 1 lead to a vacuum environment, this opening 110 is normally closed obstruct state therewith between the vacuum environment, and the moment after the obstruct state between the two is disengaged, guarantee that the vacuum of this vacuum environment still can remain in certain scope; Wherein, described vacuum environment is continued to vacuumize keeping its vacuum, and the capacity of vacuum environment is preferably much larger than the capacity of heat pipe 1.In addition in an embodiment of the present invention, this vacuum environment refers to pressure buffer device 5 as shown in Figure 2 and connects the vacuum line 4 of this buffer unit 5; The opening 110 that is in heat pipe 1 obstruct between the vacuum environment therewith then is valve 2.
C) remove the opening 110 of this heat pipe 1 and the obstruct between above-mentioned vacuum environment at least once, and under removing the situation that the working fluid 10 that makes this heat pipe 1 inside in the time that intercepts do not seethe with excitement in evaporation, not concretive gas is discharged by this opening.In this step, should avoid violent boiling of heat pipe 1 internal work fluid 10 and the liquid working fluid 10 of ejection so that working fluid 10 to retain quantity wayward, so should be in evaporation and remove under the state that do not seethe with excitement and intercept at working fluid 10.Because in case after intercept removing, can form negative pressure state in place, and make working fluid 10 moments gasification near the opening 110 of heat pipe 1, so soon quick-recovery this intercept normally off, to avoid liquid working fluid 10 acutely to seethe with excitement and to spray.That is to say: discharge not concretive gas slightly, with the quantity that retains of the working fluid 10 of controlling heat pipe 1 inside exactly.Intercept time and the not concretive gas discharge rate of recovering between this obstructs once and remove, to need the amount of working fluid of enclosing according to desire, the factors such as size, length and opening 110 sizes thereof of heat pipe 1 decide, can pass through in advance experimental test and determine.
After if not concretive gas is discharged once, the residual quantity of heat pipe 1 not concretive gas inside still surpasses the scope that allows, but repeated execution of steps c), till the residual quantity of the not concretive gas of heat pipe 1 inside is reduced to the scope of permission.
In addition,, not concretive gas make it quicken to discharge for can being accumulated near opening 110 places of heat pipe 1, and can be to this heat pipe 1 terminal heating, so that the little temperature that is higher than its upper end of the temperature of the end of heat pipe 1.Like this, this heat pipe 1 gas inside and liquid can produce circulative convection in heat pipe 1 inside, and make not concretive gas accumulate in heat pipe 1 inner upper end place.When opening 110 communicates with vacuum environment,,, help improving exhaust quality so can guarantee the amount retained of liquid working fluid 10 exactly because not concretive gas relatively can at first be discharged near opening 110.
When d) not concretive gas for the treatment of this heat pipe 1 inside was discharged into the residual quantity of permission, promptly the sealing end 11 to this heat pipe 1 sealed, to obtain to have finished the heat pipe of degasification.
Above-mentioned steps is exactly the method that the present invention removes not concretive gas inside heat pipe.
As shown in Figure 2, the invention provides a kind of equipment of removing not concretive gas inside heat pipe, be used for and above-mentioned heat pipe 1 cooperating, the vacuum line 4 that comprises valve 2, vacuum extractor 3 and connect this valve 2 and vacuum extractor 3; Wherein:
This valve 2 can be magnetic valve (solenoid valve) or pneumatic operated valve (pneumatic valve), and vacuum extractor 3 can be a vavuum pump (vacuum pump), after vacuum tube road 4 connects the two, valve 2 is communicated with vacuum extractor 3, and vacuum line 4, vacuum extractor 3 is in vacuum state because of continuing to vacuumize.And can be on the vacuum line 4 between valve 2 and the vacuum extractor 3 setting pressure buffer unit 5, this pressure buffer device 5 can be a voltage-stablizer (accumulator), be used for temporarily saving the unnecessary pressure in above-mentioned heat pipe 1 inside, to stablize the vacuum of vacuum line 4; And in the said method, described vacuum environment is exactly this vacuum line 4 or is made of this vacuum line 4 and pressure buffer device 5.And utilize 3 pairs of vacuum lines of this vacuum extractor 4 and pressure buffer device 5 to continue to vacuumize, to keep the vacuum of vacuum line 4 and pressure buffer device 5 inside.
This valve 2 also can be provided with a pipe joint (pipeconnector) 6 away from an end of vacuum extractor 3, this pipe joint is used for being connected with the opening 110 of above-mentioned heat pipe 1, and heat pipe 1 is communicated with vacuum line 4, and this pipe joint 6 is provided with sealing ring 60 with opening 110 connections of heat pipe 1, does not leak at joint to guarantee pipe joint and heat pipe 1.In addition, for opposite heat tube 1 heating is discharged not concretive gas with acceleration, being provided with a heater 7, so that this heat pipe 1 is heated near this heat pipe 1 end.
The equipment of removing not concretive gas inside heat pipe of the present invention mainly is to make this valve 2 be in normally off, and plays valve and the action of closing valve with intermittent mode.These valves 2 of control device 8 control leave the number of times of valve, open time that valve stops, and time of each spaced apart valve at every turn.Control device 8 can be that (Programmable Logic Controller PLC), is maintained on a small quantity the not concretive gas amount of each discharge, and accurately controls the amount retained of heat pipe 1 internal work fluid 10 Programmable Logic Controller.
Said structure is exactly the structure that the present invention removes the equipment of not concretive gas inside heat pipe.
In sum, the present invention can reach the application target of expection really, and solves prior art problems, and has novelty and creativeness, meets the application for a patent for invention important document fully, now proposes patent application in accordance with the law.
Above described only be the preferred embodiments of the present invention, be not restriction to claim of the present invention, all utilize equivalences that specification of the present invention and accompanying drawing do to change, all within the scope of the present invention, the spy gives explanation.
Claims (17)
1. a method of removing not concretive gas inside heat pipe is characterized in that described method comprises the following steps:
A) working fluid with scheduled volume injects inside heat pipe, and reserves an opening on an end of described heat pipe;
B) make the opening of described heat pipe lead to a vacuum environment, it between described opening and the described vacuum environment normally closed obstruct state, and the moment after the obstruct state between described opening and the described vacuum environment is disengaged, the vacuum of described vacuum environment remains in certain scope; And
C) open the valve mode with batch (-type) and remove the opening of described heat pipe and the obstruct between described vacuum environment repeatedly, and under removing the situation that the working fluid that makes described inside heat pipe in the time that intercepts do not seethe with excitement in evaporation, not concretive gas is discharged by this opening.
2. method of removing not concretive gas inside heat pipe as claimed in claim 1 is characterized in that in the described step b), and described vacuum environment keeps its vacuum with the method that continues to be evacuated.
3. method of removing not concretive gas inside heat pipe as claimed in claim 1 is characterized in that in the described step b), the capacity of described vacuum environment is greater than the capacity of described heat pipe.
4. method of removing not concretive gas inside heat pipe as claimed in claim 1 is characterized in that in the described step c), further comprises the step to the terminal heating of described heat pipe, so that the temperature of described heat pipe end is higher than the temperature of its upper end.
5. method of removing not concretive gas inside heat pipe as claimed in claim 1, it is characterized in that in the described step c), before the violent boiling of the working fluid of described inside heat pipe, recover the opening and the obstruct between described vacuum environment of described heat pipe and arrive normally off.
6. method of removing not concretive gas inside heat pipe as claimed in claim 5 is characterized in that described step c) repeats, and is reduced in the scope of permission until the residual quantity of the not concretive gas of described inside heat pipe.
7. method of removing not concretive gas inside heat pipe as claimed in claim 1, it is characterized in that it further comprises step d): when the residual quantity for the treatment of the not concretive gas of described inside heat pipe dropped to admissible scope, promptly the opening to described heat pipe sealed.
8. equipment of removing not concretive gas inside heat pipe, be used for and the heat pipe cooperating, comprise valve, vacuum extractor and the vacuum line that connects described valve and described vacuum extractor, an end and the described heat pipe away from the described vacuum extractor that it is characterized in that described valve are connected, and described valve is a normally off, and does out valve and the action of closing valve with intermittent mode.
9. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8 is characterized in that described valve is a magnetic valve.
10. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8 is characterized in that described valve is a pneumatic operated valve.
11. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8 is characterized in that the end that described valve and described heat pipe are connected is provided with pipe joint, described pipe joint and described heat pipe junction are provided with sealing ring.
12. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8, it is characterized in that it further comprises the control device that is connected with valve, be used for controlling described valve and open the valve number of times, open the valve time of staying and each duration of valve opening at interval at every turn.
13. the equipment of removing not concretive gas inside heat pipe as claimed in claim 12 is characterized in that described control device is a Programmable Logic Controller.
14. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8 is characterized in that described vacuum extractor is a vavuum pump.
15. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8 is characterized in that being serially connected with pressure buffer device on the vacuum line between described valve and the described vacuum extractor.
16. the equipment of removing not concretive gas inside heat pipe as claimed in claim 15 is characterized in that described pressure buffer device is a voltage-stablizer.
17. the equipment of removing not concretive gas inside heat pipe as claimed in claim 8 is characterized in that it further comprises the heater near described heat pipe end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031461530A CN100342197C (en) | 2003-07-24 | 2003-07-24 | Method and apparatus for removing the non-condensation gas inside heat pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031461530A CN100342197C (en) | 2003-07-24 | 2003-07-24 | Method and apparatus for removing the non-condensation gas inside heat pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1570534A CN1570534A (en) | 2005-01-26 |
| CN100342197C true CN100342197C (en) | 2007-10-10 |
Family
ID=34471624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031461530A Expired - Fee Related CN100342197C (en) | 2003-07-24 | 2003-07-24 | Method and apparatus for removing the non-condensation gas inside heat pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100342197C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336067B (en) * | 2007-06-29 | 2010-06-02 | 奇鋐科技股份有限公司 | Mechanism of media for vacuum sealed radiating and method thereof |
| CN106465562B (en) * | 2015-10-23 | 2019-08-16 | 华为技术有限公司 | Heat pipe radiating system and power equipment |
| CN105222626B (en) * | 2015-10-30 | 2017-03-22 | 浙江省太阳能产品质量检验中心 | Normal-temperature vacuum exhaust machining equipment of gravity heat pipe |
| CN110757021A (en) * | 2019-09-23 | 2020-02-07 | 深圳市鸿富诚屏蔽材料有限公司 | Manufacturing method of temperature-uniforming plate |
| CN111238272B (en) * | 2020-01-09 | 2021-06-15 | 安徽苏立新能源科技研究院有限公司 | Negative pressure boiling heat discharging device for special-shaped heat pipe |
| CN113758321B (en) * | 2021-08-24 | 2022-10-28 | 西安交通大学 | High-temperature heat pipe quantitative liquid filling device and method |
| CN114353567A (en) * | 2021-12-03 | 2022-04-15 | 中国核电工程有限公司 | Heat pipe device capable of controlling heat transfer coefficient |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219070A (en) * | 1977-10-05 | 1980-08-26 | Hitachi Shipbuilding & Engineering Company, Ltd. | Apparatus for withdrawing gas from heat exchanger having exchanger tubes and method of withdrawing gas by the apparatus |
| US5566751A (en) * | 1995-05-22 | 1996-10-22 | Thermacore, Inc. | Vented vapor source |
| JP2000018860A (en) * | 1998-07-02 | 2000-01-18 | Showa Alum Corp | Manufacture of planar heat pipe |
| JP2003171656A (en) * | 2001-12-03 | 2003-06-20 | Mitsubishi Electric Corp | Working fluid for heat pipe and method for manufacturing heat pipe |
-
2003
- 2003-07-24 CN CNB031461530A patent/CN100342197C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219070A (en) * | 1977-10-05 | 1980-08-26 | Hitachi Shipbuilding & Engineering Company, Ltd. | Apparatus for withdrawing gas from heat exchanger having exchanger tubes and method of withdrawing gas by the apparatus |
| US5566751A (en) * | 1995-05-22 | 1996-10-22 | Thermacore, Inc. | Vented vapor source |
| JP2000018860A (en) * | 1998-07-02 | 2000-01-18 | Showa Alum Corp | Manufacture of planar heat pipe |
| JP2003171656A (en) * | 2001-12-03 | 2003-06-20 | Mitsubishi Electric Corp | Working fluid for heat pipe and method for manufacturing heat pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1570534A (en) | 2005-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100342197C (en) | Method and apparatus for removing the non-condensation gas inside heat pipes | |
| CN102679782B (en) | Heat pipe vacuum liquid filling and degassing method and equipment adopting same | |
| CN103335548A (en) | Temperature control gas phase working medium perfusion method for micron heat pipe | |
| US20220074915A1 (en) | Device and method for preparing natural gas hydrate under controlled temperature and pressure | |
| CN101880561A (en) | Natural gas hydrate synthesizing device capable of realizing kinds of preparation methods | |
| CN104958993A (en) | Novel desorption regeneration process and device using granular active carbon adsorption and vapor indirect heating | |
| TWI245875B (en) | Method and apparatus for removing non-condensable vapor within heat pipe | |
| CN202657937U (en) | Heat pipe vacuum liquid filling and degassing equipment | |
| CN207154320U (en) | A kind of pipeline purging system | |
| CN106541044B (en) | A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment | |
| CN110567675B (en) | Experimental device and method for equivalently implementing gas-liquid distribution in microgravity low-temperature environment | |
| CN209690790U (en) | The online height temperature changing test chamber of optics | |
| CN201421238Y (en) | Flash evaporation type vapor phase drying device | |
| CN100487459C (en) | Hydrogen storage alloy performance integrated experimental apparatus | |
| CN101197200B (en) | Sodium-potassium alloy filling method and device | |
| CN102730613A (en) | Heat pipe working medium filling bench | |
| CN204787966U (en) | Heat pipe topping up device | |
| CN203360444U (en) | Temperature control system for cold ends of bioreactor during SIP (sterilization in-place) | |
| CN201293740Y (en) | High precision gathering apparatus for trace quantity gas | |
| CN109163589B (en) | Device and method for manufacturing serial expanded-tube sodium heat pipe | |
| CN100570264C (en) | The vacuum liquid-charging process of heat pipe | |
| CN102305346A (en) | Low-temperature liquid recovery equipment based on automatic control | |
| CN108955328A (en) | A kind of independent parallel Multi-channel flat plate heat-pipe working medium bulking system and its packaging process | |
| CN103913086A (en) | Working medium pouring and packaging device and method for MEMS (micro-electromechanical systems) heat pipes | |
| CN213546083U (en) | Vacuum oil injection device for transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20071010 Termination date: 20150724 |
|
| EXPY | Termination of patent right or utility model |