CN106541044B - A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment - Google Patents
A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment Download PDFInfo
- Publication number
- CN106541044B CN106541044B CN201610929266.3A CN201610929266A CN106541044B CN 106541044 B CN106541044 B CN 106541044B CN 201610929266 A CN201610929266 A CN 201610929266A CN 106541044 B CN106541044 B CN 106541044B
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- metal tube
- solenoid valve
- heat
- push rod
- sealed interface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
Abstract
The invention discloses a kind of gravity assisted heat pipe room temperature vacuum pumping process equipments, including sealed interface, are connect with vacuum pump by exhaust pipe, the first solenoid valve is provided on the exhaust pipe；Quantitative conveyer, for convey quantitative heat-conducting medium in metal tube, infusion pipeline to be connect with the position for closing on the sealed interface on the exhaust pipe；And envelope pressure device, it is suitable for the open end of the filling heat-conductive medium rear enclosed metal tube in metal tube, the envelope pressure device is bordered by the sealed interface setting.When process equipment processing gravity assisted heat pipe using the present invention, it can be processed at normal temperatures, heating or refrigeration processing need not be carried out after filling heat-conductive medium, effectively reduce the energy consumption of process, quantitative conveyer filling heat-conductive medium into metal tube, which is arranged, can accurately control medium injection rate simultaneously, and ensure that medium injection rate is equal in same batch products, so that it is guaranteed that product qualification rate and with batch products consistency.
Description
Technical field
The present invention relates to a kind of gravity assisted heat pipe room temperature vacuum pumping process equipments, belong to solar energy gravity assisted heat pipe processing technology neck
Domain.
Background technology
Existing widely applied solar energy gravity assisted heat pipe is processed using hot vacuum pumping method, and specific practice is that heat-conducting medium is advance
It is injected into the metal tube (for the processing base material of gravity assisted heat pipe) of one end open, then by the vertical placement (open end of metal tube
Upward) to heat-conducting medium boiling is heated on warm table, medium steam is discharged by metal tube opening, in discharge part medium steam
Afterwards, the open end of metal tube is closed, formation finished weight heat pipe, in metal tube after medium steam cooling, overpressure declines
Certain subnormal ambient is formed, playing the role of gravity assisted heat pipe, interior media can be with phase-change heat transfer at a lower temperature.
In addition to above-mentioned processing method, electronics industry small gravity assisted heat pipe has the method using freezing vacuum pumping when processing,
Specific practice is to carry out cryogenic freezing after injecting quantitative heat-conducting medium in the metal tube being open at one end, and the heat conduction of injection is made to be situated between
Matter solidifies, and keeps closing open end after open end vacuumizes under low-temperature condition, to form subnormal ambient in metal tube,
Play interior media because pressure reduce can phase-change heat transfer under cryogenic purpose.
Main problem is existing for above-mentioned existing gravity assisted heat pipe vacuum pumping processing method：(1) injected media in metal tube
After carry out heating or refrigeration processing, energy consumption (mainly electric energy) consumption is big, is unfavorable for energy saving.(2) heating vaporization is by observation
Quantity of steam is discharged to assess the medium amount in residual metallic pipe, can not accurately determine the medium amount of having in metal tube, in addition same batch
Every metal tube heating temperature is difficult to accomplish unanimously, therefore cause the medium amount of having in same batch products uneven in secondary.
Invention content
In this regard, the present invention is intended to provide a kind of gravity assisted heat pipe room temperature vacuum pumping process equipment that can be processed at normal temperatures,
Energy consumption is effectively reduced, and can guarantee that the medium amount of having is uniform in same batch products.
Realizing the technical solution of the object of the invention is：
A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment, including
Sealed interface is connect with vacuum pump by exhaust pipe, the first solenoid valve is provided on the exhaust pipe；
Quantitative conveyer, for conveying quantitative heat-conducting medium, infusion pipeline and the exhaust tube for metal tube is interior
The position connection of the sealed interface is closed in road；
And envelope pressure device, it is suitable for the open end of the filling heat-conductive medium rear enclosed metal tube in metal tube, the envelope pressure
Device is bordered by the sealed interface setting.
In above-mentioned technical proposal, the envelope pressure device include be connected with the sealed interface inner end accommodating chamber,
Push rod in the accommodating chamber, the resetting spring that reseting elasticity is provided for the push rod and suitable for driving the push rod gram
The resetting spring elastic force is taken to the driving device moved close to sealed interface axis direction, the push rod and the accommodating chamber it
Between sealed by sealing element.
In above-mentioned technical proposal, the driving device includes that the song of the push rod movement can be pushed when being rotated by electric drive
Axis.
In above-mentioned technical proposal, the quantitative conveyer includes fluid reservoir, on woven hose transfusion room described in distance by
It is close to being far arranged at intervals with second solenoid valve and third solenoid valve, the pipe between the second solenoid valve and the third solenoid valve
Road is that length can be changed pipeline.
In above-mentioned technical proposal, the quantitative conveyer is fixed-quantity injector.
In above-mentioned technical proposal, it is equipped with close to the side of the vacuum pump in first solenoid valve on the exhaust pipe
Vacuum buffer chamber.
In above-mentioned technical proposal, when the quantity of the sealed interface is two or more, the exhaust pipe of each sealed interface
It is equipped with air back valve.
The present invention has the effect of positive：It (1), can be in room temperature when process equipment processing gravity assisted heat pipe using the present invention
Under be processed (specific processing method is referring to specific implementation mode), need not be heated or be freezed after filling heat-conductive medium
Processing, effectively reduces the energy consumption of process, while quantitative conveyer energy when filling heat-conductive medium into metal tube is arranged
Medium injection rate is enough accurately controlled, and ensures that medium injection rate is equal in same batch products, so that it is guaranteed that product qualification rate and same
Batch products consistency.(2) in process equipment of the invention, by the way that vacuum buffer chamber, vacuum pump fortune are arranged on exhaust pipe
Vacuum buffer area is formed in vacuum buffer intracavitary after row, to be conducive to and ensure the quick formation and holding of subnormal ambient.
Description of the drawings
Fig. 1 is the structural schematic diagram of gravity assisted heat pipe room temperature vacuum pumping process equipment (sealed interface) in embodiment 1；
Fig. 2 is the flow process chart of metal tube (one end open)；
Fig. 3 is the structural schematic diagram of gravity assisted heat pipe room temperature vacuum pumping process equipment (two sealed interfaces) in embodiment 3.
Reference numeral is as shown in the figure：1- sealed interfaces；2- exhaust pipes；3- vacuum pumps；4- accommodating chambers；5- push rods；6-
Resetting spring；7- fluid reservoirs；8- second solenoid valves；9- third solenoid valves；10- bent axles；The first solenoid valves of 11-；12- vacuum buffers
Chamber；13- air back valves.
Specific implementation mode
With reference to the accompanying drawings of the specification to the concrete structure of gravity assisted heat pipe room temperature vacuum pumping process equipment in the present invention do with
Explanation：
Embodiment 1
A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment, as shown in Figure 1 comprising a sealed interface 1, quantitative conveying dress
Pressure device is set and seals, the sealed interface 1 is connect by exhaust pipe 2 with vacuum pump 3, and the sealed interface 1 is suitable for and gold
Belonging to pipe, (one end opening, other end closing, can be according to Fig.2, the step of, process metal tube, and the specific steps are the first step is accurate
Standby metal tube, usually copper pipe；Second step is that the necking down of metal tube one end is formed open end；Third step is in the metal tube other end
Welding condensation head) open end be tightly connected, be provided with the first solenoid valve 11 on the exhaust pipe 2；The quantitative conveying dress
It sets for the heat-conducting medium to convey quantitative in metal tube, infusion pipeline connects with the sealing is closed on the exhaust pipe 2
The position connection of mouth 1；The envelope pressure device is bordered by the setting of the sealed interface 1, is suitable in metal tube after filling heat-conductive medium
Close the open end of metal tube.When process equipment processing gravity assisted heat pipe using the present invention, it can be processed at normal temperatures, no
It needs to carry out heating or refrigeration processing after filling heat-conductive medium, effectively reduces the energy consumption of process, while being arranged quantitative
Conveying device can accurately control medium injection rate into metal tube when filling heat-conductive medium, and ensure medium in same batch products
Injection rate is equal, so that it is guaranteed that product qualification rate and with batch products consistency.It is noted that using in this processing method
Heat-conducting medium carries out sloughing dissolved oxygen processing before quantitative conveyer is added, and keeps the abundant close of quantitative conveyer
Envelope.
Concrete operation method when processing gravity assisted heat pipe using the process equipment in the present embodiment is as follows：First close described
One solenoid valve 11, starting vacuum pump 3 makes to form vacuum in exhaust pipe 2, and sealed interface 1 is then inserted into the open end of metal tube
It is interior and with outside air isolation (do encapsulation process therebetween, such as be arranged sealing ring), be then turned on first solenoid valve
11, make quickly to form vacuum in metal tube by vacuum pump 3, first solenoid valve 11 is closed after vacuum environment is formed, so
Quantitative heat-conducting medium is injected into the metal tube by the quantitative conveyer afterwards, it then will by sealing pressure device action
The vacuum pumping manufacturing procedure of gravity assisted heat pipe can be completed in the open end closing of metal tube, finally extracts the metal being sealed out manually
Pipe, and using flame sealing method to carrying out secondary seal at the sealing of open end, so that it is guaranteed that sealing performance.
In the present embodiment, the envelope pressure device includes with the accommodating chamber 4 being connected with 1 inner end of the sealed interface, sets
In in the accommodating chamber 4 push rod 5, provide for the push rod 5 resetting spring 6 of reseting elasticity and suitable for driving the push rod
5 overcome 6 elastic force of the resetting spring to the driving device moved close to 1 axis direction of sealed interface, the push rod 5 and the appearance
It receives and is sealed by sealing element between chamber 4, when closing the open end of the metal tube, driving device drives push rod 5 to move and simultaneously squeezes
The open end deformation of pressure metal tube is until metal tube open end is fully sealed, and after the completion of sealing action, push rod 5 is in the reset
It is moved to initial position under the action of spring 6, the envelope pressure device is reasonable for structure, and quantity can be according to circumstances selected in setting.
In practice operation, envelope pressure device common on the market can also be used in the envelope pressure device；Further, the drive in the present embodiment
Dynamic device includes the bent axle 10 that the push rod 5 can be pushed to move when being rotated by electric drive.
The quantitative conveyer in the present embodiment includes fluid reservoir 7, and transfusion room 7 described in distance is by close on woven hose
To being far arranged at intervals with second solenoid valve 8 and third solenoid valve 9, between the second solenoid valve 8 and the third solenoid valve 9
Pipeline is that length can be changed pipeline, and in filling heat-conductive medium, first opening the second solenoid valve 8 makes the heat conduction in fluid reservoir 7 be situated between
Matter can be changed full of infusion pipeline, that is, length between second solenoid valve 8 and third solenoid valve 9 in pipeline, be then shut off the second electromagnetism
Valve 8 simultaneously opens third solenoid valve 9, and the heat-conducting medium of pipeline quantification enters under vacuum action in metal tube in metal tube,
It is then shut off the quantitative input that heat-conducting medium can be realized in third solenoid valve 9, wherein the input quantity of heat-conducting medium is variable with length
The inner space of pipeline is equal, in operation, the corresponding pipeline of length is changed to according to the number of injection rate.
In the present embodiment, first solenoid valve 11 is equipped with close to the side of the vacuum pump 3 on the exhaust pipe 2
The shape of vacuum buffer chamber 12, the vacuum buffer chamber 12 can be tubulose, can also be hollow ball-shape, using this structure profit
Vacuum buffer area is formed in vacuum buffer chamber 12 after vacuum pump operation, to be conducive to and ensure the quick formation of subnormal ambient
And it keeps.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, the difference is that, the quantitative conveyer in the present embodiment is
Fixed-quantity injector controls the amount of filling heat-conductive medium using fixed-quantity injector, and precision is high, and simple and practicable.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, the difference is that, the quantity of the sealed interface 1 is two (practices
May also be configured to more than two quantity in operation), the exhaust pipe 2 of each sealed interface 1 is equipped with air back valve 13, in this way may be used
Realize that Multi-station synchronous processing, setting air back valve 13 can prevent single station gas leakage from being impacted to other stations.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
The obvious changes or variations that the connotation for belonging to of the invention is extended out still fall within protection scope of the present invention.
Claims (1)
1. a kind of gravity assisted heat pipe room temperature vacuum pumping process equipment, which is characterized in that including
Sealed interface (1) is connect by exhaust pipe (2) with vacuum pump (3), and the first electricity is provided on the exhaust pipe (2)
Magnet valve (11)；
Quantitative conveyer, for conveying quantitative heat-conducting medium, infusion pipeline and the exhaust pipe (2) for metal tube is interior
On close on the position connection of the sealed interface (1), the quantitative conveyer includes fluid reservoir (7), distance on woven hose
The transfusion room (7) is arranged at intervals with second solenoid valve (8) and third solenoid valve (9), the second solenoid valve (8) from the near to the remote
Pipeline between the third solenoid valve (9) is that length can be changed pipeline, in filling heat-conductive medium, first opens second electricity
Magnet valve (8) makes the heat-conducting medium in fluid reservoir (7) be grown full of the infusion pipeline between second solenoid valve (8) and third solenoid valve
Degree can be changed in pipeline, is then shut off second solenoid valve (8) and opens third solenoid valve (9), the heat-conducting medium of pipeline quantification exists
It is entered in metal tube under vacuum action in metal tube, is then shut off third solenoid valve (9) and quantifying for heat-conducting medium can be realized
Input, in operation, according to injection rate number be changed to the corresponding pipeline of length；
And envelope pressure device, it is suitable for the open end of the filling heat-conductive medium rear enclosed metal tube in metal tube, the envelope pressure device
It is bordered by the sealed interface (1) setting；The envelope pressure device includes with the receiving being connected with the sealed interface (1) inner end
Chamber (4), be set to the accommodating chamber (4) in push rod (5), for the push rod (5) provide reseting elasticity resetting spring (6) and
Suitable for driving the push rod (5) to overcome the resetting spring (6) elastic force to the driving moved close to sealed interface (1) axis direction
Device is sealed between the push rod (5) and the accommodating chamber (4) by sealing element, when closing the open end of the metal tube,
Driving device drives push rod (5) mobile and squeezes the open end of metal tube and deforms up to metal tube open end to be fully sealed, close
After the completion of envelope action, push rod (5) is moved to initial position under the action of the resetting spring (6)；The driving device includes
The bent axle (10) that can push the push rod (5) mobile when being rotated by electric drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929266.3A CN106541044B (en) | 2015-10-30 | 2015-10-30 | A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929266.3A CN106541044B (en) | 2015-10-30 | 2015-10-30 | A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment |
| CN201510721085.7A CN105222626B (en) | 2015-10-30 | 2015-10-30 | Normal-temperature vacuum exhaust machining equipment of gravity heat pipe |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721085.7A Division CN105222626B (en) | 2015-10-30 | 2015-10-30 | Normal-temperature vacuum exhaust machining equipment of gravity heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106541044A CN106541044A (en) | 2017-03-29 |
| CN106541044B true CN106541044B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721085.7A Active CN105222626B (en) | 2015-10-30 | 2015-10-30 | Normal-temperature vacuum exhaust machining equipment of gravity heat pipe |
| CN201610929266.3A Active CN106541044B (en) | 2015-10-30 | 2015-10-30 | A kind of gravity assisted heat pipe room temperature vacuum pumping process equipment |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721085.7A Active CN105222626B (en) | 2015-10-30 | 2015-10-30 | Normal-temperature vacuum exhaust machining equipment of gravity heat pipe |
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| Country | Link |
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| CN (2) | CN105222626B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356144B (en) * | 2017-07-31 | 2019-07-12 | 浙江省太阳能产品质量检验中心 | A kind of heat-pipe medium filling gun |
| CN111036785B (en) * | 2019-12-24 | 2021-04-16 | 广西陆川祥进电子科技有限公司 | Transformer cooling tube forming device |
| CN112747617B (en) * | 2021-02-08 | 2022-07-29 | 太原理工大学 | Automatic multi-heat-pipe vacuum quantitative working medium filling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5568586A (en) * | 1978-11-20 | 1980-05-23 | Tokico Ltd | Heat pipe working liquid injecting device |
| JPS60255524A (en) * | 1984-05-31 | 1985-12-17 | Nippon Denso Co Ltd | Heat transmission apparatus using heat pipe |
| CN2454063Y (en) * | 2000-11-28 | 2001-10-17 | 超众科技股份有限公司 | Heat-pipe forming machine |
| CN1195966C (en) * | 2002-06-07 | 2005-04-06 | 李义烈 | Simultaneously vacuum seal method for filling heat-conductive liquid to energy-saving electric-heating pipe and other appliances |
| 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 |
| CN100342197C (en) * | 2003-07-24 | 2007-10-10 | 徐惠群 | Method and apparatus for removing the non-condensation gas inside heat pipes |
| CN100480609C (en) * | 2005-10-11 | 2009-04-22 | 富准精密工业(深圳)有限公司 | Manufacturing method of thermotube |
| CN102319833B (en) * | 2011-07-20 | 2013-11-13 | 刘杰 | Vacuum-pumping and synchronous packaging device for superconducting heat pipe |
| CN103196116B (en) * | 2012-01-06 | 2016-01-27 | 中国计量学院 | For the modified gravity force heat pipe radiator of great power LED |
| CN103968693A (en) * | 2014-05-21 | 2014-08-06 | 海康创业(北京)科技有限公司 | Active integrated heat pipe injection device and injection method using same |
| CN104075599A (en) * | 2014-05-21 | 2014-10-01 | 海康创业(北京)科技有限公司 | Passive integrated heat pipe perfusion device |
| CN104267057B (en) * | 2014-10-14 | 2017-01-18 | 浙江省太阳能产品质量检验中心 | Testing device for all-glass gravity assisted heat pipes |
| CN205079659U (en) * | 2015-10-30 | 2016-03-09 | 浙江省太阳能产品质量检验中心 | Vacuum processing equipment is arranged to gravity heat pipe normal atmospheric temperature |
-
2015
- 2015-10-30 CN CN201510721085.7A patent/CN105222626B/en active Active
- 2015-10-30 CN CN201610929266.3A patent/CN106541044B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106541044A (en) | 2017-03-29 |
| CN105222626B (en) | 2017-03-22 |
| CN105222626A (en) | 2016-01-06 |
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