CN206584789U - A kind of cold-junction container for helium gas cooling - Google Patents
A kind of cold-junction container for helium gas cooling Download PDFInfo
- Publication number
- CN206584789U CN206584789U CN201720307625.1U CN201720307625U CN206584789U CN 206584789 U CN206584789 U CN 206584789U CN 201720307625 U CN201720307625 U CN 201720307625U CN 206584789 U CN206584789 U CN 206584789U
- Authority
- CN
- China
- Prior art keywords
- exchanging chamber
- heat exchanging
- cold
- heat
- gas cooling
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The utility model discloses a kind of cold-junction container for helium gas cooling, it belongs to superconducting magnet cooling technical field, the second heat exchanging chamber connected including the first heat exchanging chamber and with the first heat exchanging chamber, it is provided with first heat exchanging chamber on heat exchanger, the first heat exchanging chamber and is communicated with the first air inlet pipe and the first escape pipe respectively at the position of correspondence heat exchanger；It is provided with second heat exchanging chamber on condenser, the second heat exchanging chamber and is communicated with the second air inlet pipe and the second return duct respectively at the position of correspondence condenser；The utility model replaces using copper braid over braid mode in the prior art by way of helium gas cooling, when GM cryocooler cold heads and superconducting magnet are distant, only need to increase the length of helium tube, effectively solve the problem of cold head of GM refrigeration machines must be closer to the distance with superconducting magnet in the prior art；The utility model can also effectively improve heat exchange and flow effect of the helium in cooling cyclic process, improve refrigerating efficiency.
Description
Technical field
The utility model is related to superconducting magnet cooling technical field, and in particular to a kind of cold head for helium gas cooling holds
Device.
Background technology
Cryogenic magnet is made of the characteristic using superconducting wire zero resistance at low temperature.Superconducting magnet is maintained to run
Required low temperature environment, must just take the heat imported by the external world by conduct radiation and solid conduction inside magnet out of, mesh
Preceding conventional method is that the heat inside magnet is taken away with GM refrigeration machines.The scheme of prior art is：The cold head of GM refrigeration machines
Load in cold-junction container, the copper flange contact of cold head one-level and cold-junction container, copper flange is again by copper braid over braid and magnet
Protective shield of radiation is connected；Two grades of lower end bellowss by container of cold head are inserted directly into the inside of cooled cryostat, straight with low-temperature helium
Contact.
Existing cold-junction container is all, and situation about by solid conduction being cooled down closer to the distance applied to cold head and magnet.
Prior art is in the case where the cold head and magnet of GM refrigeration machines are distant, and effect is poor, and reason mainly has at following 2 points：
First, farther out, overstriking must be lengthened to the cold head and superconducting magnet of GM refrigeration machines by leading copper braid over braid, and such one can cause assembly space
It is narrow and small, add the volume of superconducting magnet；2nd, container bellows is lengthened, and helium is poor in the mobility of bellows interior, causes
Cooled cryostat internal heat is difficult to take out of.
Utility model content
For the problems of in the prior art, a kind of cold head appearance for helium gas cooling that the utility model is provided
Device so that two grades of the cold head one-level and cold head of GM refrigeration machines are the mode of helium gas cooling, can not only solve GM refrigeration machines cold
Refrigeration problem of the head with superconducting magnet in the case of distant, and the flow effect of helium can be improved, so as to reach more
Good refrigeration.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of cold-junction container for helium gas cooling, including the first heat exchanging chamber and connected with first heat exchanging chamber second
It is provided with heat exchanger, first heat exchanging chamber and distinguishes at the position of the correspondence heat exchanger in heat exchanging chamber, first heat exchanging chamber
It is communicated with the first air inlet pipe and the first escape pipe；Correspondence on condenser, second heat exchanging chamber is provided with second heat exchanging chamber
The second air inlet pipe and the second return duct are communicated with the position of the condenser respectively.
As a kind of perferred technical scheme, first heat exchanging chamber and second heat exchanging chamber be it is cylindric, it is described
The end of second heat exchanging chamber is connected with the end of first heat exchanging chamber, and the diameter of second heat exchanging chamber is changed less than described first
The diameter of hot chamber, two grades of phases of cold head one-level and cold head of the shape and cryocooler cold head of the first heat exchanging chamber and the second heat exchanging chamber
Match somebody with somebody.
As a kind of perferred technical scheme, end of first heat exchanging chamber away from second heat exchanging chamber is provided with flange
Disk, ring flange is used for the fixed cryocooler cold head being inserted into the utility model and the first heat exchanging chamber is in sealing state.
As a kind of perferred technical scheme, the heat exchanger connects located at first heat exchanging chamber with second heat exchanging chamber
Logical end, the condenser is located at end of second heat exchanging chamber away from first heat exchanging chamber, heat exchanger and condenser
It is located at the bottom of the first heat exchanging chamber and the second heat exchanging chamber respectively, is easy to the helium with flowing into carry out heat exchange.
As a kind of perferred technical scheme, dividing plate is provided between the heat exchanger and second heat exchanging chamber, dividing plate is used
In the first heat exchanging chamber of cut-off and the second heat exchanging chamber, it is to avoid the high temperature helium in the first heat exchanging chamber, which is flowed into the second heat exchanging chamber, to be caused
Hot short circuit.
As a kind of perferred technical scheme, the heat exchanger is constituted with the condenser by some parallel fins,
The fin equidistantly distributed, fin can effectively increase heat exchange area, improve heat exchange efficiency.
As a kind of perferred technical scheme, the orientation of the fin of the heat exchanger and first air inlet pipe are entered
Gas direction is parallel, can effectively improve the fin of heat exchanger and the contact area for the helium discharged from the first air inlet pipe.
As a kind of perferred technical scheme, the orientation of the fin of the condenser and second air inlet pipe are entered
Gas direction is parallel, can effectively improve the fin of condenser and the contact area for the helium discharged from the second air inlet pipe.
As a kind of perferred technical scheme, the mouth of pipe of first air inlet pipe is higher than the mouth of pipe of first escape pipe,
The helium gas cooling of first air inlet pipe discharge directly can be back on the protective shield of radiation of superconducting magnet after sinking from the first escape pipe；
The mouth of pipe of second return duct is located at the bottom of second heat exchanging chamber, and the helium of the second air inlet pipe discharge is condensed into after liquid helium
Directly it can be back to from the second return duct in the cooled cryostat of superconducting magnet.
The beneficial effects of the utility model are shown：
1st, the utility model replaces using copper braid over braid mode in the prior art by way of helium gas cooling, when GM refrigeration
When machine cold head and distant superconducting magnet, it is only necessary to increase the length of helium tube, effectively solve GM in the prior art
The problem of cold head of refrigeration machine must be closer to the distance with superconducting magnet.
2nd, the utility model is higher than the mouth of pipe of the first escape pipe and the pipe of the second return duct by the mouth of pipe of the first air inlet pipe
Mouthful it is located at orientation and the first air inlet pipe and the of the bottom of second heat exchanging chamber and the fin of heat exchanger and condenser
The airintake direction identical structure of two air inlet pipe, can effectively improve heat exchange and flowing effect of the helium in cooling cyclic process
Really, refrigerating efficiency is improved.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of cold-junction container for helium gas cooling of the utility model；
Fig. 2 is the structural representation of heat exchanger in a kind of cold-junction container for helium gas cooling of the utility model；
Fig. 3 is structural representation when a kind of cold-junction container for helium gas cooling of the utility model is used；
In figure：1- ring flanges, the heat exchanging chambers of 2- first, 3- heat exchangers, the escape pipes of 4- first, the heat exchanging chambers of 5- second, 6- condensations
Device, the return ducts of 7- second, the air inlet pipe of 8- second, the air inlet pipe of 9- first, 10- dividing plates, 11- fins, 12- cryocooler cold heads, 13- are cold
First two grades, 14- cold head one-levels.
Embodiment
For the ease of it will be appreciated by those skilled in the art that being further described below in conjunction with the accompanying drawings to the utility model.
Fig. 1 is overall structure diagram of the present utility model, including the first heat exchanging chamber 2 and is connected with the first heat exchanging chamber 2
It is provided with heat exchanger 3, the first heat exchanging chamber 2 and is respectively communicated with the position of correspondence heat exchanger 3 in second heat exchanging chamber 5, the first heat exchanging chamber 2
There are the first air inlet pipe 9 and the first escape pipe 4；Correspondence condenser 6 on condenser 6, the second heat exchanging chamber 5 is provided with second heat exchanging chamber 5
Position at be communicated with the second air inlet pipe 8 and the second return duct 7 respectively；First heat exchanging chamber 2 and the second heat exchanging chamber 5 are cylinder
Shape, the end of the second heat exchanging chamber 5 is connected with the end of the first heat exchanging chamber 2, and the diameter of the second heat exchanging chamber 5 is less than the first heat exchanging chamber 2
Diameter；End of first heat exchanging chamber 2 away from the second heat exchanging chamber 5 is provided with ring flange 1；Heat exchanger 3 is located at the first heat exchanging chamber 2 and the
The end of two heat exchanging chambers 5 connection, condenser 6 is located at end of second heat exchanging chamber 5 away from the first heat exchanging chamber 2；Heat exchanger 3 and second
Dividing plate 10 is provided between heat exchanging chamber 5；The mouth of pipe of first air inlet pipe 9 is higher than the mouth of pipe of the first escape pipe 4；The pipe of second return duct 7
Mouth is located at the bottom of the second heat exchanging chamber 5.
Fig. 2 is the structural representation of heat exchanger in the utility model, and heat exchanger 3 is made up of some parallel fins 11, wing
The equidistantly distributed of piece 11；The construction of condenser 6 is identical with heat exchanger 3.
Structural representation when Fig. 3 uses for the utility model, cryocooler cold head 12 passes through upper port of the present utility model
It extend into the utility model, the cold head one-level 14 of cryocooler cold head 12 is located in the first heat exchanging chamber 2 and fitted with heat exchanger 3,
The cold head of cryocooler cold head 12 is located in the second heat exchanging chamber 5 and fitted with condenser 6 for two grade 13.
Specific works mode of the present utility model is as follows：
The high temperature helium with heat flowed back to from the protective shield of radiation of superconducting magnet, first is flowed into from the first air inlet pipe 9
In heat exchanging chamber 2, the fin 11 on the heat exchanger 3 relatively low with temperature contacts and discharges heat, sinks after helium cooling, goes out from first
Tracheae 4 is flow back on the protective shield of radiation of superconducting magnet again, is continued expansion rising of absorbing heat, is flowed into again by the first air inlet pipe 9
Into the first heat exchanging chamber 2, so constantly heat absorption heat release forms circulation, constantly by the heat on the protective shield of radiation of superconducting magnet
Amount is taken out of.
The helium volatilized out of superconducting magnet cooled cryostat is flowed into the second heat exchanging chamber 5 by the second air inlet pipe 8
Interior, the condenser 6 relatively low with temperature is contacted, and release heat is condensed into liquid helium, and liquid helium is flow back into again by the second return duct 7
In the cooled cryostat of superconducting magnet, liquid helium absorbs the external world and is transmitted to after the heat of cooled cryostat, continues volatilization and forms helium by the
Two air inlet pipe 8 are flowed into the second heat exchanging chamber 5, so constantly heat absorption heat release, circulation are formed, constantly by the low temperature of superconducting magnet
Heat in Dewar is taken out of.
Wherein, ring flange 1 be used for be connected cryocooler cold head 12 and cause the first heat exchanging chamber 2 be sealing structure；Dividing plate
10 are used to separate the first heat exchanging chamber 2 and the second heat exchanging chamber 5, it is to avoid the high temperature helium in the first heat exchanging chamber 2 is flowed into the second heat exchange
Hot short circuit is caused in chamber 5；The fin 11 of heat exchanger 3 and condenser 6 can effectively increase heat exchange area, improve heat exchange efficiency.
Above content is only to structure example of the present utility model and explanation, the technology of affiliated the art
Personnel are made various modifications or supplement to described specific embodiment or substituted using similar mode, without departing from
The structure of utility model surmounts scope defined in the claims, all should belong to protection domain of the present utility model.
Claims (9)
1. a kind of cold-junction container for helium gas cooling, it is characterized in that, including the first heat exchanging chamber and connect with first heat exchanging chamber
The position of the correspondence heat exchanger on heat exchanger, first heat exchanging chamber is provided with the second logical heat exchanging chamber, first heat exchanging chamber
The place of putting is communicated with the first air inlet pipe and the first escape pipe respectively；Condenser, second heat exchange are provided with second heat exchanging chamber
The second air inlet pipe and the second return duct are communicated with respectively at the position of the correspondence condenser on chamber.
2. a kind of cold-junction container for helium gas cooling according to claim 1, it is characterized in that, first heat exchanging chamber and
Second heat exchanging chamber is cylindric, and the end of second heat exchanging chamber is connected with the end of first heat exchanging chamber, described
The diameter of second heat exchanging chamber is less than the diameter of first heat exchanging chamber.
3. a kind of cold-junction container for helium gas cooling according to claim 2, it is characterized in that, first heat exchanging chamber is remote
End from second heat exchanging chamber is provided with ring flange.
4. a kind of cold-junction container for helium gas cooling according to claim 1, it is characterized in that, the heat exchanger is located at institute
State the end that the first heat exchanging chamber is connected with second heat exchanging chamber, the condenser is located at second heat exchanging chamber away from described the
The end of one heat exchanging chamber.
5. a kind of cold-junction container for helium gas cooling according to claim 4, it is characterized in that, the heat exchanger with it is described
Dividing plate is provided between second heat exchanging chamber.
6. a kind of cold-junction container for helium gas cooling according to claim 1, it is characterized in that, the heat exchanger and described
Condenser is constituted by some parallel fins, the fin equidistantly distributed.
7. a kind of cold-junction container for helium gas cooling according to claim 6, it is characterized in that, the fin of the heat exchanger
Orientation it is parallel with the airintake direction of first air inlet pipe.
8. a kind of cold-junction container for helium gas cooling according to claim 6, it is characterized in that, the fin of the condenser
Orientation it is parallel with the airintake direction of second air inlet pipe.
9. a kind of cold-junction container for helium gas cooling according to claim 1, it is characterized in that, first air inlet pipe
The mouth of pipe is higher than the mouth of pipe of first escape pipe；The mouth of pipe of second return duct is located at the bottom of second heat exchanging chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307625.1U CN206584789U (en) | 2017-03-28 | 2017-03-28 | A kind of cold-junction container for helium gas cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307625.1U CN206584789U (en) | 2017-03-28 | 2017-03-28 | A kind of cold-junction container for helium gas cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584789U true CN206584789U (en) | 2017-10-24 |
Family
ID=60115164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720307625.1U Withdrawn - After Issue CN206584789U (en) | 2017-03-28 | 2017-03-28 | A kind of cold-junction container for helium gas cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584789U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683821A (en) * | 2017-03-28 | 2017-05-17 | 潍坊新力超导磁电科技有限公司 | Cold head container used for nitrogen cooling |
| CN113654382A (en) * | 2021-07-20 | 2021-11-16 | 中国科学院高能物理研究所 | Superconducting cooling circulation system driven by no-motion part |
| CN117387257A (en) * | 2023-12-12 | 2024-01-12 | 万气精仪(苏州)气体设备有限公司 | Condenser for GM refrigerator and preparation method thereof |
-
2017
- 2017-03-28 CN CN201720307625.1U patent/CN206584789U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683821A (en) * | 2017-03-28 | 2017-05-17 | 潍坊新力超导磁电科技有限公司 | Cold head container used for nitrogen cooling |
| CN106683821B (en) * | 2017-03-28 | 2018-10-30 | 潍坊新力超导磁电科技有限公司 | A kind of cold-junction container for helium gas cooling |
| CN113654382A (en) * | 2021-07-20 | 2021-11-16 | 中国科学院高能物理研究所 | Superconducting cooling circulation system driven by no-motion part |
| CN117387257A (en) * | 2023-12-12 | 2024-01-12 | 万气精仪(苏州)气体设备有限公司 | Condenser for GM refrigerator and preparation method thereof |
| CN117387257B (en) * | 2023-12-12 | 2024-03-08 | 万气精仪(苏州)气体设备有限公司 | Condenser for GM refrigerator and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206584789U (en) | A kind of cold-junction container for helium gas cooling | |
| CN106855741B (en) | Heat dissipation device and system for blade server chip | |
| CN105682426B (en) | A kind of heat-exchanger rig suitable for communication base station cabinet | |
| CN107731468A (en) | A kind of heat abstractor of transformer | |
| CN104595056B (en) | Cold end heat exchanger of free piston type Stirling engine | |
| CN201532052U (en) | Semiconductor refrigeration system | |
| CN106683821B (en) | A kind of cold-junction container for helium gas cooling | |
| CN108613575A (en) | A kind of heat exchange of heat pipe and cold heat energy exchange device | |
| CN104807350B (en) | A kind of heat exchanger of air condition | |
| CN102121768A (en) | Heat exchange apparatus with heat pipe soaking device for refrigeration air conditioning system | |
| CN205843163U (en) | A kind of Novel direct freezing type cooling system | |
| CN202328928U (en) | Flooded shell and tube evaporator | |
| CN201196514Y (en) | Cool end heat exchanger of pulse tube refrigerator | |
| CN206497885U (en) | A kind of radiating device of chip for computer | |
| CN101184381A (en) | Case with phase-change heat radiator | |
| CN203893485U (en) | Heat pipe type efficient semiconductor refrigeration device | |
| CN206016995U (en) | Stirling thermal engine operating cooler using liquid metal heat radiation | |
| CN201844619U (en) | Evaporator used for cooling electronic equipment | |
| CN202792723U (en) | Parallel flow condenser for freezer | |
| CN204787990U (en) | Heat exchange tube on evaporation cooling formula heat exchanger | |
| CN209588448U (en) | Heat exchanger | |
| CN208624030U (en) | The cooling device and cabinet of cabinet | |
| CN201974081U (en) | Heat-exchanging device with heat-pipe thermal spreader for refrigerative air-conditioning system | |
| CN208579662U (en) | A kind of built-in water-cooling heat exchanger for sound energy free-piston type machine | |
| CN202103040U (en) | Circulation heat radiation device and assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171024 Effective date of abandoning: 20181030 |