CN206412920U - Liquid metal electromagnetic pump - Google Patents
Liquid metal electromagnetic pump Download PDFInfo
- Publication number
- CN206412920U CN206412920U CN201720014812.0U CN201720014812U CN206412920U CN 206412920 U CN206412920 U CN 206412920U CN 201720014812 U CN201720014812 U CN 201720014812U CN 206412920 U CN206412920 U CN 206412920U
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- liquid metal
- permanent magnet
- electromagnetic pump
- tube wall
- gallium
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Abstract
A kind of liquid metal electromagnetic pump that the utility model is related to, it is characterised in that it is made up of flow channel for liquids 1, tube wall 2, magnetic conduction tube wall 3, electrode 4, permanent magnet 5, shading ring 6, shell 7 and liquid metal.In use, the liquid metal fluid of good conductivity is filled into electromagnetic pump, constant current is passed on two electrodes, then electric current passes through liquid metal in pump core, the liquid metal that energization liquid metal is produced in parallel magnetic field of the permanent magnet to generation in Ampere force, runner is driven, and electromagnetic pump is started working.Liquid metal electromagnetic pump of the present utility model had both improved pump core magnetic induction intensity using magnetic conduction, the pump core structure of insulation, again the drive efficiency of driving current is greatly improved, can be widely applied to liquid metal electronic equipment dissipating heat field.
Description
Technical field
The utility model is related to a kind of liquid metal electromagnetic pump.The electromagnetic pump was both carried using magnetic conduction, the pump core structure of insulation
High pump core magnetic induction intensity, causes the drive efficiency of driving current to greatly improve, can be widely applied to liquid metal electronics again
Equipment cooling field.
Background technology
In fluid interchange field, liquid metal heat-transfer system is due to outstanding physical of liquid metal medium that it is used
Matter, its exchange capability of heat is far above other monophasic fluid heat-exchange systems.Electromagnetic pump as liquid metal heat-transfer system unique driving
Equipment, its performance quality directly affects the performance of whole system.
Ripe liquid metal electromagnetic pump product on the market is generally inductance type electromagnetic pump at present, and its flow is big, volume big,
It is mainly used in conveying the liquid conveyed in some poisonous heavy metals, nuclear power unit as thermophore in chemical industry, printing industry
State metal, is also used for the non-ferrous metal of transporting molten in Foundry Production.
To prevent electromagnetic pump leakage, so as to trigger leaky, traditional liquid metal electromagnetic pump is usually in insulation
External a pair of the permanent magnets of pipeline or electromagnet are sealed, pipeline has certain thickness, can virtually increase by two permanent magnets or electromagnetism
The distance between iron so that the magnetic induction intensity reduction of the liquid metal between two magnet, influences the flow velocity of liquid metal.
In order to solve the above problems, the utility model proposes a kind of liquid metal electromagnetic pump, such a electromagnetic pump can contract
Spacing between small permanent magnet or electromagnet, increases magnetic induction intensity, so that the driving force for strengthening electromagnetic pump increases liquid gold
The flow velocity of category.
The content of the invention
Therefore, to achieve these goals,
The utility model is related to a kind of liquid metal electromagnetic pump, its small volume, and lift is big, uses safety, long lifespan.
The technical solution of the utility model is as follows：
A kind of liquid metal electromagnetic pump, it is characterised in that as depicted in figs. 1 and 2, it is by flow channel for liquids 1, tube wall 2, magnetic conduction
Tube wall 3, electrode 4, permanent magnet 5, shading ring 6, shell 7 and liquid metal composition；
The entrance and exit of the flow channel for liquids 1 is circular cross-section, and the middle zone of action is rectangular cross-sectional, different shape
Runner between rounding off；
The flow channel for liquids 1 is welded by tube wall 2 and magnetic conduction tube wall 3, runner inner wall plating insulating blanket.
The tube wall 2 is non-magnetic metal material, constitutes pipe main body.
The magnetic conduction tube wall 3 is high magnetic conductive metal material, and it connects as section tubular wall with permanent magnet installation site.
The permanent magnet 5 is the permanent magnet of a pair of rectangular shapes, installed in the both ends of the surface of pump core runner, in the region shape
Into approximately parallel high-intensity magnetic field.
The pump core runner 1-1 is the flow channel for liquids that position is between two permanent magnet 5
The electrode 4 is a pair, installed in rectangle runner two side, can provide electric current for the liquid metal in runner,
According to electromagnetic induction principle, the liquid metal after energization produces driving force in the high-intensity magnetic field that the permanent magnet 5 is formed, so that edge
Flow passage.
The shading ring 6 is high permeability material, and outside permanent magnet, the magnetic field that permanent magnet is produced is kept away external shield
Exempt from interference of the high-intensity magnetic field to external system.
The driving force size of liquid metal electromagnetic pump is directly proportional to the size of driving current, with the size of magnetic induction intensity into
Direct ratio, is inversely proportional with the height of zone of action runner.In the case where permanent magnet shape and magnetic flux are constant, between two magnet
Spacing is smaller, and magnetic induction intensity is bigger.In order to obtain bigger driving force, the flow channel for liquids 1 is in permanent magnet 5 and the institute of electrode 4
In position, width becomes big, highly diminishes, as flat, so that being left to smaller, the conduction acted on by Ampere force of height at this
The length of fluid is longer.The design of magnetic conduction tube wall 3 so that the runner tube wall of permanent magnet relevant position turns into one of permanent magnet
Point, the theoretical spacing between two permanent magnets is reduced, magnetic induction intensity is added, so as to improve the performance of electromagnetic pump.
The liquid metal is the metal that is in a liquid state under normal temperature, its good conductivity, therefore can produce electricity after the energization of electrode 4
Stream, and then produced driving force by the effect of permanent magnet high-intensity magnetic field.
The liquid metal is gallium, gallium base bianry alloy, gallium based multicomponent alloy, indium-base alloy or bismuth-base alloy.
The gallium base bianry alloy is gallium-indium alloy, gallium metal or gallium mercury alloy.
The gallium based multicomponent alloy is gallium-indium-tin alloy or gallium indium red brass.
The indium-base alloy is indium bismuth tin alloy.
In use, the liquid metal fluid of good conductivity is filled into electromagnetic pump, constant current is passed on two electrodes, then
Electric current produces Ampere force, runner by liquid metal in pump core, energization liquid metal in parallel magnetic field of the permanent magnet to generation
In liquid metal driven, electromagnetic pump start working.
A kind of liquid metal electromagnetic pump described in the utility model has the following advantages that：
(1) liquid metal electromagnetic pump of the present utility model, permanent magnet is permeability magnetic material to the corresponding tube wall of installation site, is made
The theoretical spacing obtained between permanent magnet pair diminishes, magnetic induction intensity increase, so that the driving force of pump is bigger.
(2) liquid metal electromagnetic pump of the present utility model, the inwall galvanic insulation layer of flow channel for liquids, so as to control driving electricity
The diffusion of tube wall is flowed to, drive efficiency is improved.
(3) the liquid metal runner of field region is using the larger highly small flat flow channel of width so that energization liquid gold
Category length is longer, and driving force is bigger..
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of liquid metal electromagnetic pump overlooking the structure diagram in embodiment.
Fig. 2 is a kind of liquid metal electromagnetic pump positive structure schematic in embodiment.
Fig. 3 is a kind of liquid metal electromagnetic pump cross-sectional view in embodiment.
Description of reference numerals：1 is flow channel for liquids, and 1-1 is pump core runner, and 2 be tube wall, and 3 be magnetic conduction tube wall, and 4 be electrode, 5
It is shading ring for permanent magnet, 6,7 be shell.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment further describes the utility model.
Embodiment 1
The present embodiment is applied for a kind of one kind typical case of liquid metal electromagnetic pump.Fig. 1 is a kind of liquid metal in embodiment
Electromagnetic pump overlooking the structure diagram.Fig. 2 is a kind of liquid metal electromagnetic pump positive structure schematic in embodiment.Fig. 3 is implementation
A kind of liquid metal electromagnetic pump cross-sectional view in example.Wherein：1 is flow channel for liquids, and 1-1 is pump core runner, and 2 be tube wall, 3
It is electrode for magnetic conduction tube wall, 4,5 be permanent magnet, and 6 be shading ring, and 7 be shell.
A kind of liquid metal electromagnetic pump of the present embodiment, it is characterised in that it is by flow channel for liquids 1, tube wall 2, magnetic conduction tube wall
3rd, electrode 4, permanent magnet 5, shading ring 6, shell 7 and liquid metal composition；
The entrance and exit of the flow channel for liquids 1 is circular cross-section, and the middle zone of action is rectangular cross-sectional, different shape
Runner between rounding off；
The flow channel for liquids 1 is welded by tube wall 2 and magnetic conduction tube wall 3, runner inner wall plating insulating blanket.
The tube wall 2 is non-magnetic metal material, constitutes pipe main body.
The magnetic conduction tube wall 3 is high magnetic conductive metal material, and it connects as section tubular wall with permanent magnet installation site.
The permanent magnet 5 is the permanent magnet of a pair of rectangular shapes, installed in the both ends of the surface of pump core runner, in the region shape
Into approximately parallel high-intensity magnetic field.
The pump core runner 1-1 is the flow channel for liquids that position is between two permanent magnet 5
The electrode 4 is a pair, installed in rectangle runner two side, can provide electric current for the liquid metal in runner,
According to electromagnetic induction principle, the liquid metal after energization produces driving force in the high-intensity magnetic field that the permanent magnet 5 is formed, so that edge
Flow passage.
The shading ring 6 is high permeability material, and outside permanent magnet, the magnetic field that permanent magnet is produced is kept away external shield
Exempt from interference of the high-intensity magnetic field to external system.
The driving force size of liquid metal electromagnetic pump is directly proportional to the size of driving current, with the size of magnetic induction intensity into
Direct ratio, is inversely proportional with the height of zone of action runner.In the case where permanent magnet shape and magnetic flux are constant, between two magnet
Spacing is smaller, and magnetic induction intensity is bigger.In order to obtain bigger driving force, the flow channel for liquids 1 is in permanent magnet 5 and the institute of electrode 4
In position, width becomes big, highly diminishes, as flat, so that being left to smaller, the conduction acted on by Ampere force of height at this
The length of fluid is longer.The design of magnetic conduction tube wall 3 so that the runner tube wall of permanent magnet relevant position turns into one of permanent magnet
Point, the theoretical spacing between two permanent magnets is reduced, magnetic induction intensity is added, so as to improve the performance of electromagnetic pump.
The liquid metal is the metal that is in a liquid state under normal temperature, its good conductivity, therefore can produce electricity after the energization of electrode 4
Stream, and then produced driving force by the effect of permanent magnet high-intensity magnetic field.
The liquid metal is gallium indium red brass.
In use, the liquid metal fluid of good conductivity is filled into electromagnetic pump, constant current is passed on two electrodes, then
Electric current produces Ampere force, runner by liquid metal in pump core, energization liquid metal in parallel magnetic field of the permanent magnet to generation
In liquid metal driven, electromagnetic pump start working.
Embodiment 2
Fig. 1 is a kind of liquid metal electromagnetic pump overlooking the structure diagram in embodiment.Fig. 2 is a kind of liquid gold in embodiment
Belong to electromagnetic pump positive structure schematic.Fig. 3 is a kind of liquid metal electromagnetic pump cross-sectional view in embodiment.Wherein：1 is
Flow channel for liquids, 1-1 is pump core runner, and 2 be tube wall, and 3 be magnetic conduction tube wall, and 4 be electrode, and 5 be permanent magnet, and 6 be shading ring, and 7 be outer
Shell.
A kind of liquid metal electromagnetic pump of the present embodiment, it is characterised in that it is by flow channel for liquids 1, tube wall 2, magnetic conduction tube wall
3rd, electrode 4, permanent magnet 5, shading ring 6, shell 7 and liquid metal composition；
The entrance and exit of the flow channel for liquids 1 is circular cross-section, and the middle zone of action is rectangular cross-sectional, different shape
Runner between rounding off；
The flow channel for liquids 1 is welded by tube wall 2 and magnetic conduction tube wall 3, runner inner wall plating insulating blanket.
The tube wall 2 is non-magnetic metal material, constitutes pipe main body.
The magnetic conduction tube wall 3 is high magnetic conductive metal material, and it connects as section tubular wall with permanent magnet installation site.
The permanent magnet 5 is the permanent magnet of a pair of rectangular shapes, installed in the both ends of the surface of pump core runner, in the region shape
Into approximately parallel high-intensity magnetic field.
The pump core runner 1-1 is the flow channel for liquids that position is between two permanent magnet 5
The electrode 4 is a pair, installed in rectangle runner two side, can provide electric current for the liquid metal in runner,
According to electromagnetic induction principle, the liquid metal after energization produces driving force in the high-intensity magnetic field that the permanent magnet 5 is formed, so that edge
Flow passage.
The shading ring 6 is high permeability material, and outside permanent magnet, the magnetic field that permanent magnet is produced is kept away external shield
Exempt from interference of the high-intensity magnetic field to external system.
The driving force size of liquid metal electromagnetic pump is directly proportional to the size of driving current, with the size of magnetic induction intensity into
Direct ratio, is inversely proportional with the height of zone of action runner.In the case where permanent magnet shape and magnetic flux are constant, between two magnet
Spacing is smaller, and magnetic induction intensity is bigger.In order to obtain bigger driving force, the flow channel for liquids 1 is in permanent magnet 5 and the institute of electrode 4
In position, width becomes big, highly diminishes, as flat, so that being left to smaller, the conduction acted on by Ampere force of height at this
The length of fluid is longer.The design of magnetic conduction tube wall 3 so that the runner tube wall of permanent magnet relevant position turns into one of permanent magnet
Point, the theoretical spacing between two permanent magnets is reduced, magnetic induction intensity is added, so as to improve the performance of electromagnetic pump.
The liquid metal is the metal that is in a liquid state under normal temperature, its good conductivity, therefore can produce electricity after the energization of electrode 4
Stream, and then produced driving force by the effect of permanent magnet high-intensity magnetic field.
The liquid metal is gallium-indium alloy.
In use, the liquid metal fluid of good conductivity is filled into electromagnetic pump, constant current is passed on two electrodes, then
Electric current produces Ampere force, runner by liquid metal in pump core, energization liquid metal in parallel magnetic field of the permanent magnet to generation
In liquid metal driven, electromagnetic pump start working.
Embodiment 3
Fig. 1 is a kind of liquid metal electromagnetic pump overlooking the structure diagram in embodiment.Fig. 2 is a kind of liquid gold in embodiment
Belong to electromagnetic pump positive structure schematic.Fig. 3 is a kind of liquid metal electromagnetic pump cross-sectional view in embodiment.Wherein：1 is
Flow channel for liquids, 1-1 is pump core runner, and 2 be tube wall, and 3 be magnetic conduction tube wall, and 4 be electrode, and 5 be permanent magnet, and 6 be shading ring, and 7 be outer
Shell.
A kind of liquid metal electromagnetic pump of the present embodiment, it is characterised in that it is by flow channel for liquids 1, tube wall 2, magnetic conduction tube wall
3rd, electrode 4, permanent magnet 5, shading ring 6, shell 7 and liquid metal composition；
The entrance and exit of the flow channel for liquids 1 is circular cross-section, and the middle zone of action is rectangular cross-sectional, different shape
Runner between rounding off；
The flow channel for liquids 1 is welded by tube wall 2 and magnetic conduction tube wall 3, runner inner wall plating insulating blanket.
The tube wall 2 is non-magnetic metal material, constitutes pipe main body.
The magnetic conduction tube wall 3 is high magnetic conductive metal material, and it connects as section tubular wall with permanent magnet installation site.
The permanent magnet 5 is the permanent magnet of a pair of rectangular shapes, installed in the both ends of the surface of pump core runner, in the region shape
Into approximately parallel high-intensity magnetic field.
The pump core runner 1-1 is the flow channel for liquids that position is between two permanent magnet 5
The electrode 4 is a pair, installed in rectangle runner two side, can provide electric current for the liquid metal in runner,
According to electromagnetic induction principle, the liquid metal after energization produces driving force in the high-intensity magnetic field that the permanent magnet 5 is formed, so that edge
Flow passage.
The shading ring 6 is high permeability material, and outside permanent magnet, the magnetic field that permanent magnet is produced is kept away external shield
Exempt from interference of the high-intensity magnetic field to external system.
The driving force size of liquid metal electromagnetic pump is directly proportional to the size of driving current, with the size of magnetic induction intensity into
Direct ratio, is inversely proportional with the height of zone of action runner.In the case where permanent magnet shape and magnetic flux are constant, between two magnet
Spacing is smaller, and magnetic induction intensity is bigger.In order to obtain bigger driving force, the flow channel for liquids 1 is in permanent magnet 5 and the institute of electrode 4
In position, width becomes big, highly diminishes, as flat, so that being left to smaller, the conduction acted on by Ampere force of height at this
The length of fluid is longer.The design of magnetic conduction tube wall 3 so that the runner tube wall of permanent magnet relevant position turns into one of permanent magnet
Point, the theoretical spacing between two permanent magnets is reduced, magnetic induction intensity is added, so as to improve the performance of electromagnetic pump.
The liquid metal is the metal that is in a liquid state under normal temperature, its good conductivity, therefore can produce electricity after the energization of electrode 4
Stream, and then produced driving force by the effect of permanent magnet high-intensity magnetic field.
The liquid metal is indium bismuth tin alloy.
In use, the liquid metal fluid of good conductivity is filled into electromagnetic pump, constant current is passed on two electrodes, then
Electric current produces Ampere force, runner by liquid metal in pump core, energization liquid metal in parallel magnetic field of the permanent magnet to generation
In liquid metal driven, electromagnetic pump start working.
Finally it should be noted that above example is only unrestricted to illustrate the technical solution of the utility model.Although
The utility model is described in detail with reference to embodiment, it will be understood by those within the art that, it is new to this practicality
The technical scheme of type is modified or equivalent substitution, and without departure from the spirit and scope of technical solutions of the utility model, its is equal
It should cover among right of the present utility model.
Claims (10)
1. a kind of liquid metal electromagnetic pump, it is characterised in that it is by flow channel for liquids, tube wall, magnetic conduction tube wall, electrode, permanent magnet, screen
Cover ring, shell and liquid metal composition；
The entrance and exit of the flow channel for liquids is circular cross-section, and the middle zone of action is rectangular cross-sectional, stream of different shapes
Rounding off between road；
The flow channel for liquids is welded by tube wall and magnetic conduction tube wall, runner inner wall plating insulating blanket.
2. a kind of liquid metal electromagnetic pump as described in claim 1, it is characterised in that the tube wall is non-magnetic metal material
Material, constitutes pipe main body.
3. a kind of liquid metal electromagnetic pump as described in claim 1, it is characterised in that the magnetic conduction tube wall is high magnetic conductive metal
Material, it connects as section tubular wall with permanent magnet installation site.
4. a kind of liquid metal electromagnetic pump as described in claim 1, it is characterised in that the permanent magnet is a pair, is shaped as
Cuboid, is installed in the both ends of the surface of pump core runner, and approximately parallel high-intensity magnetic field is formed in the region.
5. a kind of liquid metal electromagnetic pump as described in claim 4, it is characterised in that the pump core runner is in institute for position
State flow channel for liquids between permanent magnet.
6. a kind of liquid metal electromagnetic pump as described in claim 1, it is characterised in that the electrode is a pair, installed in length
Square runner two side, can provide electric current for the liquid metal in runner, according to electromagnetic induction principle, the liquid metal after energization
Driving force is produced in the high-intensity magnetic field of permanent magnet formation, so that along flow passage.
7. a kind of liquid metal electromagnetic pump as described in claim 1, it is characterised in that the shading ring is high permeability material,
Outside permanent magnet, the magnetic field that permanent magnet is produced is to external shield, it is to avoid interference of the high-intensity magnetic field to external system.
8. a kind of liquid metal electromagnetic pump as described in claim 1, it is characterised in that it under normal temperature is in liquid that the liquid metal, which is,
The metal of state, its good conductivity, therefore electric current can be produced after electrode energization, and then produced by the effect of permanent magnet high-intensity magnetic field
Raw driving force.
9. a kind of liquid metal electromagnetic pump as described in claim 8, it is characterised in that the liquid metal is gallium, gallium
Base bianry alloy, gallium based multicomponent alloy, indium-base alloy or bismuth-base alloy.
10. a kind of liquid metal electromagnetic pump as described in claim 9, it is characterised in that the gallium base bianry alloy is gallium indium
Alloy, gallium metal or gallium mercury alloy；The gallium based multicomponent alloy is gallium-indium-tin alloy or gallium indium red brass；The indium base is closed
Gold is indium bismuth tin alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014812.0U CN206412920U (en) | 2017-01-06 | 2017-01-06 | Liquid metal electromagnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014812.0U CN206412920U (en) | 2017-01-06 | 2017-01-06 | Liquid metal electromagnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412920U true CN206412920U (en) | 2017-08-15 |
Family
ID=59555373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720014812.0U Active CN206412920U (en) | 2017-01-06 | 2017-01-06 | Liquid metal electromagnetic pump |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736180A (en) * | 2018-05-29 | 2018-11-02 | 中国农业大学 | Liquid metal flexible cable for D.C. high-current |
| CN109525092A (en) * | 2018-11-27 | 2019-03-26 | 上海交通大学 | SYMMETRIC ELECTROMAGNETIC structure based on magnetohydrodynamics satellite gravity anomaly executing agency |
| CN110685922A (en) * | 2019-09-23 | 2020-01-14 | 兰州理工大学 | Centrifugal liquid metal magnetic drive pump of no rotor |
| CN115842461A (en) * | 2023-02-24 | 2023-03-24 | 北京瑶光高科科技有限公司 | Permanent-magnet direct-current conduction electromagnetic pump |
-
2017
- 2017-01-06 CN CN201720014812.0U patent/CN206412920U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736180A (en) * | 2018-05-29 | 2018-11-02 | 中国农业大学 | Liquid metal flexible cable for D.C. high-current |
| CN109525092A (en) * | 2018-11-27 | 2019-03-26 | 上海交通大学 | SYMMETRIC ELECTROMAGNETIC structure based on magnetohydrodynamics satellite gravity anomaly executing agency |
| CN110685922A (en) * | 2019-09-23 | 2020-01-14 | 兰州理工大学 | Centrifugal liquid metal magnetic drive pump of no rotor |
| CN115842461A (en) * | 2023-02-24 | 2023-03-24 | 北京瑶光高科科技有限公司 | Permanent-magnet direct-current conduction electromagnetic pump |
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Effective date of registration: 20230420 Granted publication date: 20170815 |
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