CN208205925U - A kind of active cooling system of electromagnetic path - Google Patents
A kind of active cooling system of electromagnetic path Download PDFInfo
- Publication number
- CN208205925U CN208205925U CN201820621333.XU CN201820621333U CN208205925U CN 208205925 U CN208205925 U CN 208205925U CN 201820621333 U CN201820621333 U CN 201820621333U CN 208205925 U CN208205925 U CN 208205925U
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- CN
- China
- Prior art keywords
- cooling medium
- cooling
- electromagnetic
- electromagnetic path
- track
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- 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.)
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Abstract
The utility model discloses a kind of active cooling systems of electromagnetic path, at least one cooling medium runner is provided in every electromagnetic path of electromagnetic railgun, the outlet of cooling medium runner is connected to jointly with the import of a cooling medium circulating line, the outlet of the cooling medium circulating line is sequentially connected the import of the cooling medium runner of radiator, circulating pump, regulating valve and whole, is marked with cooling medium in the cooling medium circulating line.The utility model is relative to track outer surface spray cooling technology, and track contacts more abundant with cooling medium, and cooling effect is more obvious.Furthermore, it after the system cooling medium and track heat source heat convection, is distributed heat in external environment by heats ink, then becomes cryogenic media again and be again introduced into electromagnetic path progress heat exchange, cooling medium in whole process system is recycled, and avoids dielectric film filter difficulty and waste.
Description
Technical field
The utility model relates to electromagnetic railguns under continuous emission mode, active in electromagnetic path to cool
System.
Background technique
Electromagnetic railgun utilizes ELECTROMAGNETIC LAUNCH TECHNOLOGY, emits ultrahigh speed shell with electromagnetic force, has that the reaction time is short, energy
The advantages that big, is widely used in the fields such as industrial production, aerospace.Electromagnetic railgun uses the arteries and veins of MA grades of high current types
Power supply is rushed, system capacity is generally up to MJ grades in emission process, can a large amount of heat of accumulation in orbit in the short time.Single emission
When, cyclic thermal stres act on the fatigue life that can reduce track, and heat is relatively little on track influence, but when continuous transmitting, this
A little heats can make armature and rail contact position that serious ablation even vaporization occur.This will seriously affect the performance and hair of track
Efficiency is penetrated, becomes and restricts electromagnetic railgun using the key factor with development.Therefore, under continuous emission mode, to electromagnetic path
Cooling means and systematic research are most important.
Some technical methods cooling about electromagnetic path have been proposed both at home and abroad at present, such as on electromagnetic path
It installs fin additional and achievees the purpose that augmentation of heat transfer, can quickly absorb the heat in track and be discharged into external environment, accelerate
Reduce rail temperature.In terms of system perspective, there is this fin guide rail technology relatively low risk and more effective entirety to set
Meter, but due to the particularity of electromagnetic railgun structure, when practical application, are restricted；In electromagnetic path surface high-temp area spray
Cooling water or other media make heat loss into air using evaporation cooling principle.This method will not be to electromagnetic railgun
Mechanical performance impact, but have difficulties on structure is built, and the recycling and flow control of medium are not easy to realize；To
Electromagnetic path reaches cooling purpose, this method away from coolant liquid, forced-convection heat transfer is continually fed into the range of the one third of tail portion
Equally difficulty is larger in terms of dielectric film filter and control；In addition, evaporation endothermic is cooling there are also being undergone phase transition using low-boiling point liquid
The drawbacks of method of electromagnetic path, this method, is that the pressure change generated after liquid vaporization may influence electromagnetic railgun
Safety etc..Therefore, the electromagnetic path cooling system easily realized is simple and efficient there is an urgent need to a kind of.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies of prior art, provide a kind of electromagnetism that cooling effect is more obvious
The active cooling system of track.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of active cooling system of electromagnetic path, it is cold in every electromagnetic path of electromagnetic railgun to be provided at least one
But the outlet of medium runner, cooling medium runner is connected to jointly with the import of a cooling medium circulating line, the cooling
The outlet of medium circulation pipeline is sequentially connected the import of the cooling medium runner of radiator, circulating pump, regulating valve and whole,
Cooling medium is marked in the cooling medium circulating line.
Compared with prior art, the utility model has the following beneficial effects:
Cooling medium runner is arranged in the utility model in electromagnetic path, and it is connected into circulation with radiator with pipeline
Loop, system is simple and is easier to realize in structure.The utility model relative to track outer surface spray cooling technology, track with
Cooling medium contact is more abundant, and cooling effect is more obvious.Furthermore the system cooling medium and track heat source heat convection
Afterwards, it is distributed heat in external environment by heats ink, then becomes cryogenic media again and be again introduced into electromagnetic path progress
Heat exchange, the cooling medium in whole process system are recycled, and avoid that dielectric film filter is difficult and waste.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the active cooling system of electromagnetic path of the utility model；
Fig. 2 is the A-A sectional view of the electromagnetic path in the utility model system shown in FIG. 1.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
The basic structure of the electromagnetic railgun to come into operation at present can be found in Qiao Zhiming etc., (2016) Canon launching and control
Journal .37 (2): 91-95, by 1, two parallel electromagnetic path of the pulse power 2,3, between two tracks and protected with track
The armature 4 and bullet 5 for holding sliding electrical contact are constituted.
As shown in Figure 1, a kind of active cooling system of electromagnetic path of the utility model, in every electricity of electromagnetic railgun
At least one cooling medium runner 10 is provided in magnetic orbital 2,3, the outlet of cooling medium runner 10 is recycled with a cooling medium
The import of pipeline 8 is connected to jointly, and the outlet of the cooling medium circulating line 8 is sequentially connected radiator 6, circulating pump 7, adjusts
The import of valve 9 and the cooling medium runner 10 of whole.Cooling medium is marked in the cooling medium circulating line 8.It is cold
But medium is along set flow passage inside electromagnetic path 2,3, and in the present embodiment, the cooling medium is in the circulation
Flow direction under the driving of pump 7 is identical as the electromagnetic railgun direction of the launch, is being indicated by arrows in Fig., in other embodiments, also
Cooling medium can be flowed to and be set as adverse current.Regulating valve 9 in loop is for controlling rate-of flow.
Cooling medium runner in electromagnetic path is arranged as shown in Fig. 2, the figure is the section of electromagnetic path 2 and 3 described in Fig. 1
Figure.In the present embodiment, three round cooling medium runners 10 are provided in every electromagnetic path, in other embodiments,
It can be according to condition setting different number runner of different shapes.
The detailed process of the utility model active cooling system work is: study of EM rail-gun launcher before use, first to
Cooling medium is injected in Fig. 1 system, is opened circulating pump 7, is made medium in cooling system internal circulation flow.It is then turned on electromagnetic path
Continuously transmitting bullet 5, armature 4 and the contact surface of track 2 and 3 can gather a large amount of heat to the big gun pulse power 1 in a short time.This
When electromagnetic path and its inner flow passage in the cooling medium that circulates heat convection constantly occurs, the heat on track is by band
It walks, to maintain defined temperature always.Meanwhile cooling medium absorbs thermal temperature and increases, and flows into radiator 6 and extraneous ring
Border carries out heat exchange, and transferring heat to atmosphere makes to become temperature lower medium when flowing out radiator 6 again, continues in system
Interior circulation.In system operation, rate-of flow is controlled using regulating valve 9, meets the requirements rail temperature.After completing transmitting, first close
The power supply 1 for closing electromagnetic railgun, closes circulating pump 7 after a period of time, cooling medium stops circulation.
Claims (2)
1. a kind of active cooling system of electromagnetic path, it is characterised in that: be provided in every electromagnetic path of electromagnetic railgun
The outlet of at least one cooling medium runner, cooling medium runner is connected to jointly with the import of a cooling medium circulating line,
The outlet of the cooling medium circulating line is sequentially connected the cooling medium stream of radiator, circulating pump, regulating valve and whole
The import in road is marked with cooling medium in the cooling medium circulating line.
2. the active cooling system of electromagnetic path according to claim 1, it is characterised in that: set in every electromagnetic path
It is equipped with three cooling medium runners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621333.XU CN208205925U (en) | 2018-04-27 | 2018-04-27 | A kind of active cooling system of electromagnetic path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621333.XU CN208205925U (en) | 2018-04-27 | 2018-04-27 | A kind of active cooling system of electromagnetic path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208205925U true CN208205925U (en) | 2018-12-07 |
Family
ID=64521478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820621333.XU Expired - Fee Related CN208205925U (en) | 2018-04-27 | 2018-04-27 | A kind of active cooling system of electromagnetic path |
Country Status (1)
| Country | Link |
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| CN (1) | CN208205925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444331A (en) * | 2018-04-27 | 2018-08-24 | 天津大学 | A kind of active cooling system of electromagnetic path |
| CN114963857A (en) * | 2022-06-23 | 2022-08-30 | 河南科技大学 | Arc extinction device for electromagnetic rail gun and electromagnetic rail gun |
-
2018
- 2018-04-27 CN CN201820621333.XU patent/CN208205925U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444331A (en) * | 2018-04-27 | 2018-08-24 | 天津大学 | A kind of active cooling system of electromagnetic path |
| CN114963857A (en) * | 2022-06-23 | 2022-08-30 | 河南科技大学 | Arc extinction device for electromagnetic rail gun and electromagnetic rail gun |
| CN114963857B (en) * | 2022-06-23 | 2024-03-29 | 河南科技大学 | Arc extinction device for electromagnetic track gun and electromagnetic track gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20200427 |