CN209836369U - Magnetic field controllable liquid bridge generator - Google Patents
Magnetic field controllable liquid bridge generator Download PDFInfo
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- CN209836369U CN209836369U CN201920708397.8U CN201920708397U CN209836369U CN 209836369 U CN209836369 U CN 209836369U CN 201920708397 U CN201920708397 U CN 201920708397U CN 209836369 U CN209836369 U CN 209836369U
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Abstract
The embodiment of the utility model discloses a magnetic field controllable liquid bridge generator, the support device comprises an upper liquid bridge support and a lower liquid bridge support, the liquid bridge generator is connected with the support device through the upper liquid bridge support and the lower liquid bridge support, the liquid bridge generator comprises an upper liquid bridge support plate and a lower liquid bridge support plate, and a liquid bridge melting zone is formed between the upper liquid bridge support plate and the lower liquid bridge support plate; the magnetic field generating device comprises a coil magnetic field generator, the magnetic field moving device comprises a synchronous rotating motor, the synchronous rotating motor is connected with the coil magnetic field generator, and the synchronous rotating motor drives the coil magnetic field generator to rotate around the liquid bridge generating device; the image recognition device comprises a microscopic camera, and the height of the microscopic camera is the same as that of the liquid bridge melting zone. The device can be used for researching the inhibiting effect of the rotating magnetic field on the periodic oscillation capillary flow in the liquid bridge, provides an experimental research device for researching and preparing high-quality semiconductor crystals, and solves the defects of single magnetic field direction and fixed magnetic field intensity in the magnetic field inhibition of the traditional liquid bridge generator.
Description
Technical Field
The embodiment of the utility model provides a relate to fluid physics technical field, concretely relates to controllable formula liquid bridge generater in magnetic field.
Background
The floating zone method is known as a growth method of semiconductor crystal materials, and the main principle of the floating zone method is that a material rod is heated by the outside, a melting zone is supported between two solid material ends and is gradually pulled to be heated, and the quality of a growing crystal is influenced by periodic oscillation capillary convection in the melting zone, so that micron-scale impurity stripes are generated. The liquid bridge is based on the single crystal preparation by the floating zone method, and an ideal physical experiment model established by researching and inhibiting the generation of periodic oscillation capillary convection in the crystal growth process is researched.
At present, the mature means for inhibiting the periodic oscillation capillary convection inside the liquid bridge include: applied magnetic fields, vibrations, surface coatings and shear air flow. Wherein, the external magnetic field can generate non-contact inhibition to the periodic oscillation capillary convection in the crystal liquid bridge, which is more beneficial to preparing pure high-quality single crystals. In the prior art, a conventional liquid bridge generation device can only realize non-isothermal liquid bridge generation of peripheral shear airflow, and a liquid bridge generation technical scheme capable of magnetic field suppression is not developed yet, so that a self-response rotating magnetic field controllable liquid bridge generation technical scheme is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a controllable formula liquid bridge generater in magnetic field can be used to study the inhibitory action of rotating magnetic field to the inside periodic oscillation capillary flow of liquid bridge, provides necessary experimental study device for the research preparation high quality semiconductor crystal, solves single magnetic field direction and fixed magnetic field intensity's drawback in the suppression of traditional liquid bridge generater magnetic field.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a magnetic field controllable liquid bridge generator comprises a bracket device, a liquid bridge generating device, a magnetic field moving device and an image recognition device; the support device comprises an upper liquid bridge support and a lower liquid bridge support, the liquid bridge generation device is connected with the support device through the upper liquid bridge support and the lower liquid bridge support, the liquid bridge generation device comprises an upper liquid bridge support plate and a lower liquid bridge support plate, and a liquid bridge melting zone is formed between the upper liquid bridge support plate and the lower liquid bridge support plate; the magnetic field generating device comprises a coil magnetic field generator, the magnetic field movement device comprises a synchronous rotating motor, the synchronous rotating motor is connected with the coil magnetic field generator, and the synchronous rotating motor drives the coil magnetic field generator to rotate around the liquid bridge generating device; the image recognition device comprises a microscopic camera, and the height of the microscopic camera is the same as that of the liquid bridge melting zone.
As a preferred scheme of the magnetic field controllable liquid bridge generator, the upper end of the upper liquid bridge supporting disc is connected with an upper liquid bridge support column through a thread, and the upper liquid bridge support column is perpendicular to the upper liquid bridge support; the lower end of the lower liquid bridge supporting plate is connected with a lower liquid bridge strut through threads, and the lower liquid bridge strut is perpendicular to the lower liquid bridge support.
As a preferred scheme of the magnetic field controllable liquid bridge generator, the upper end of the upper liquid bridge strut is connected with an upper snap ring, and the upper end of the upper snap ring is connected with an upper liquid bridge pin; the lower end of the lower liquid bridge strut is connected with a lower snap ring, and the lower end of the lower snap ring is connected with a lower liquid bridge pin;
and a lower disc liquid injection micropore channel is formed among the lower liquid bridge supporting plate, the lower liquid bridge supporting column and the lower clamping ring.
As a preferable scheme of the magnetic field controllable liquid bridge generator, an upper installation clamping groove is arranged at the joint of the upper liquid bridge support and the upper liquid bridge support, and a lower installation clamping groove is arranged at the joint of the lower liquid bridge support and the lower liquid bridge support.
As a preferable scheme of the magnetic field controllable liquid bridge generator, the support device further comprises a support beam vertical rail and a lifting stepping motor, the support beam vertical rail is connected with the upper liquid bridge support and the lower liquid bridge support, and the lifting stepping motor is connected with one side of the support beam vertical rail through threads.
As a preferred scheme of the magnetic field controllable liquid bridge generator, an upper hot angle area thermocouple and a lower cold angle area thermocouple are arranged in a liquid bridge melting area between the upper liquid bridge supporting disc and the lower liquid bridge supporting disc.
As a preferable scheme of the magnetic field controllable liquid bridge generator, the magnetic field generating device further comprises a magnetic field generator support, and the synchronous rotating motor is connected with the magnetic field generator support through a fastening bearing.
As a preferable scheme of the magnetic field controllable liquid bridge generator, the image recognition device further comprises a diffusion sheet and a background light, the lower ends of the diffusion sheet and the background light are connected with a support table, the background light is positioned on the outer side of the diffusion sheet, and the heights of the microscopic camera, the diffusion sheet and the background light are the same as the height of the liquid bridge melting zone.
The magnetic field controllable liquid bridge generator is characterized by further comprising a control terminal, the control terminal is connected with the micro camera and the magnetic field movement device, the control terminal is used for acquiring shooting data of the micro camera, and the control terminal is further used for driving the coil magnetic field generator to rotate through the synchronous rotating motor.
As the preferable scheme of the magnetic field controllable liquid bridge generator, the upper liquid bridge supporting disc and the lower liquid bridge supporting disc are made of high-temperature-resistant copper or copper alloy materials.
The embodiment of the utility model provides a have following advantage: the utility model has simple structure, compared with the traditional liquid bridge generator, the utility model can realize the clockwise or anticlockwise self-response rotation of the magnetic field by monitoring the periodic oscillation capillary convection flow direction; the self-response adjustment of the strength of the rotation suppression magnetic field can be realized through monitoring signals of the flow rate of the periodic oscillation capillary convection. On one hand, the utility model realizes the generation of the liquid bridge with the magnetic field suppression function; on the other hand, the defect of single magnetic field direction and fixed magnetic field intensity in the traditional liquid bridge generator magnetic field suppression is effectively overcome, the magnetic field direction is opposite to the flow direction of the periodic oscillation capillary convection at all times, the magnetic field intensity is adjusted in a self-adaptive mode, the suppression effect of the magnetic field on the periodic oscillation capillary convection in the crystal growth can be effectively researched, the experiment difficulty is reduced, the control of the magnetic field on the crystal growth process is comprehensively considered, the data obtained by the traditional liquid bridge generator is more comprehensive, stable and reliable, and the method has important significance for researching the crystal growth process in a floating area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of a magnetic field controllable liquid bridge generator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a liquid bridge generation device provided in an embodiment of the present invention;
fig. 3 is a schematic view of a combined structure of a magnetic field generating device and a magnetic field moving device provided in an embodiment of the present invention;
fig. 4 is a schematic structural view of a bracket device provided in an embodiment of the present invention;
fig. 5 is an image of the capillary flow collection of the periodic oscillation inside the liquid bridge provided in the embodiment of the present invention;
fig. 6 is a schematic view of the magnetic field suppressing internal flow condition provided in the embodiment of the present invention;
in the figure: 1. a bracket device; 2. a liquid bridge generating device; 3. a magnetic field generating device; 4. a magnetic field movement device; 5. an image recognition device; 6. a liquid bridge support is arranged; 7. a liquid bridge support is arranged; 8. an upper liquid bridge support plate; 9. a lower liquid bridge support plate; 10. a liquid bridge molten zone; 11. a coil magnetic field generator; 12. a synchronous rotating electrical machine; 13. a micro-camera; 14. a liquid bridge strut; 15. a lower liquid bridge strut; 16. a snap ring is arranged; 17. liquid feeding bridge pin; 18. a lower snap ring; 19. a liquid discharging bridge pin; 20. a lower disc liquid injection micropore channel; 21. a clamping groove is arranged on the upper part; 22. a clamping groove is arranged at the lower part; 23. a support beam vertical rail; 24. pulling the stepping motor; 25. an upper hot corner zone thermocouple; 26. a lower cold corner zone thermocouple; 27. a magnetic field generator support; 28. a diffusion sheet; 29. a background light; 30. a support table; 31. and controlling the terminal.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a magnetic field controllable liquid bridge generator is provided, which comprises a support device 1, a liquid bridge generating device 2, a magnetic field generating device 3, a magnetic field moving device 4 and an image recognition device 5; the support device 1 comprises an upper liquid bridge support 6 and a lower liquid bridge support 7, the liquid bridge generation device 2 is connected with the support device 1 through the upper liquid bridge support 6 and the lower liquid bridge support 7, the liquid bridge generation device 2 comprises an upper liquid bridge support plate 8 and a lower liquid bridge support plate 9, and a liquid bridge melting zone 10 is formed between the upper liquid bridge support plate 8 and the lower liquid bridge support plate 9; the magnetic field generating device 3 comprises a coil magnetic field generator 11, the magnetic field movement device 4 comprises a synchronous rotating motor 12, the synchronous rotating motor 12 is connected with the coil magnetic field generator 11, and the synchronous rotating motor 12 drives the coil magnetic field generator 11 to rotate around the liquid bridge generating device 2; the image recognition device 5 comprises a microscopic camera 13, and the height of the microscopic camera 13 is the same as that of the liquid bridge molten zone 10.
In one embodiment of the magnetic field controllable liquid bridge generator, the upper end of the upper liquid bridge supporting disc 8 is connected with an upper liquid bridge support 14 through a screw thread, the upper liquid bridge support 14 is perpendicular to the upper liquid bridge support 6, and the upper liquid bridge supporting disc 8 is connected with the upper liquid bridge support 6 through the upper liquid bridge support 14. The lower end of the lower liquid bridge supporting plate 9 is connected with a lower liquid bridge support 15 through threads, the lower liquid bridge support 15 is perpendicular to the lower liquid bridge support 7, and the lower liquid bridge supporting plate 9 is connected with the lower liquid bridge support 7 through the lower liquid bridge support 15. The upper end of the upper liquid bridge strut 14 is connected with an upper snap ring 16, and the upper end of the upper snap ring 16 is connected with an upper liquid bridge pin 17; the lower end of the lower liquid bridge strut 15 is connected with a lower snap ring 18, and the lower end of the lower snap ring 18 is connected with a lower liquid bridge pin 19. The upper liquid bridge pin 17 and the lower liquid bridge pin 19 realize the assembly of the liquid bridge generation device 2 and the bracket device 1. A lower disc liquid injection micropore channel 20 is formed among the lower liquid bridge supporting disc 9, the lower liquid bridge supporting column 15 and the lower clamping ring 18, and experimental media (silicon oil-based ferromagnetic fluid) are accurately injected between the upper liquid bridge supporting disc 8 and the lower liquid bridge supporting disc 9 through the lower disc liquid injection micropore channel 20. An upper mounting clamping groove 21 is formed in the joint of the upper liquid bridge support 6 and the upper liquid bridge strut 14, and a lower mounting clamping groove 22 is formed in the joint of the lower liquid bridge support 7 and the lower liquid bridge strut 15. The upper mounting clamping groove 21 realizes the assembly of the upper liquid bridge pin 17 and the bracket device 1, and the lower mounting clamping groove 22 realizes the assembly of the lower liquid bridge pin 19 and the bracket device 1.
In an embodiment of the magnetic field controllable liquid bridge generator, the support device 1 further comprises a support beam vertical rail 23 and a pulling step motor 24, the support beam vertical rail 23 connects the upper liquid bridge support 6 and the lower liquid bridge support 7, and the pulling step motor 24 is connected with one side of the support beam vertical rail 23 through a thread. And the lifting stepping motor 24 enables the upper liquid bridge strut 14 to move up and down to obtain the liquid bridge height required by the experiment.
In one embodiment of the magnetic field controllable liquid bridge generator, the liquid bridge melting zone 10 between said upper liquid bridge support plate 8 and lower liquid bridge support plate 9 is provided with an upper hot corner region thermocouple 25 and a lower cold corner region thermocouple 26. The upper liquid bridge supporting plate 8 is used for temperature detection through an upper hot angle zone thermocouple 25, and the lower liquid bridge supporting plate 9 is used for temperature detection through a lower cold angle zone thermocouple 26.
In one embodiment of the field-controllable liquid bridge generator, the field generating means 3 further comprises a magnetic field generator support 27, and the synchronous rotating electrical machine 12 is connected to the magnetic field generator support 27 by a fastening bearing. The magnetic field generator support 27 supports the coil magnetic field generator 11, and the coil magnetic field generator 11 rotates along with the rotation of the magnetic field generator support 27 driven by the synchronous rotating motor 12, so that a rotating magnetic suppression field is generated.
In one embodiment of the magnetic field controllable liquid bridge generator, the image recognition device 5 further comprises a diffusion sheet 28 and a background light 29, the lower ends of the diffusion sheet 28 and the background light 29 are connected with a support table 30, the background light 29 is positioned on the outer side of the diffusion sheet 28, and the heights of the microscopic camera 13, the diffusion sheet 28 and the background light 29 are the same as the height of the liquid bridge melting zone 10. The design of diffuser 28 and backlight 29 allows micro-camera 13 to more clearly monitor changes in oscillating thermo-capillary convection within the liquid bridge.
In an embodiment of the liquid bridge generator with controllable magnetic field, the liquid bridge generator further includes a control terminal 31, the control terminal 31 is connected to the micro-camera 13, the control terminal 31 is further connected to the magnetic field moving device 4, the control terminal 31 is configured to obtain shooting data of the micro-camera 13, and the control terminal 31 is further configured to drive the coil magnetic field generator 11 to rotate through the synchronous rotating motor 12. The control terminal 31 converts the video signals of the flow direction and the flow rate into digital signals, and performs the operation control and the magnetic field strength control on the synchronous rotating motor 12 by the digital signals.
In one embodiment of the magnetic field controllable liquid bridge generator, the upper liquid bridge supporting disc 8 and the lower liquid bridge supporting disc 9 are made of high temperature resistant copper or copper alloy material. The upper liquid bridge supporting plate 8 and the lower liquid bridge supporting plate 9 are made of copper or copper alloy materials with good conductivity and high temperature resistance, so that a liquid bridge can be generated smoothly.
Specifically, the high-speed micro camera 13 has a model number of fastcam miniax (black and white ISO 40000/color ISO16000, 4000 frames/sec at 1024 × 1024 pixels, 12500 frames/sec at 640 × 480 pixels); the synchronous rotating electric machine 12 is of the type: Y200L1-2 (power 30Kw, rated current 57A, rated speed 2950 rpm); the coil magnetic field generator 11 has the following types: CT-350 type (built-in Helmholtz magnetic field coil, magnetic field intensity 15GS, middle coil turn number 14, coil turn numbers 26 at two sides, coil inner hole diameter 350mm, centering distance 140mm in the coil, inductance 2.0mH, resistance 0.22); the miniature electric pull-up stepper motor 24 is model SL42STH40-1684A-300 (rated power 4.7W, rated voltage 2.8V, rated current 1.68A, rated torque 0.4 NM).
Referring to fig. 5 and 6, during the test of the magnetic field controllable liquid bridge generator:
(1) establishing a liquid bridge:
firstly, the lifting stepping motor 24 is adjusted to move the upper liquid bridge strut 14 up and down to obtain the liquid bridge height required by the experiment, then the experimental medium (silicon oil-based ferromagnetic fluid) is accurately injected between the upper liquid bridge supporting plate 8 and the lower liquid bridge supporting plate 9 through the lower plate injection micropore channel 20 to form a liquid bridge, and the static liquid bridge maintains the interface shape through surface tension.
(2) Establishing a temperature difference, measuring the temperature of an angular area:
then, the test medium is heated using a physical method while the upper liquid bridge support plate 8 and the lower liquid bridge support plate 9 are subjected to temperature detection by the upper hot-angle zone thermocouple 25 and the lower cold-angle zone thermocouple 26, respectively.
(3) Adjusting a shooting state:
secondly, the background light 29 and the micro camera 13 are turned on, and the change of the oscillating thermocapillary convection inside the liquid bridge is monitored in real time, wherein the micro camera 13 transmits the collected video data of the oscillating thermocapillary convection inside the liquid bridge to the control terminal 31.
(4) Magnetic field regulation, output data:
then, the control terminal 31 performs motion control and magnetic field strength control on the synchronous rotating motor 12 and the coil magnetic field generator 11, and the synchronous rotating motor 12 drives the coil magnetic field generator 11 to rotate, and then the digital signal fed back to the control terminal 31 through the micro camera 13 performs motion control on the synchronous rotating motor 12 and the coil magnetic field generator 11. Through a series of actions and magnetic field strength control, the inhibition effect of the rotating magnetic field on the periodic oscillation capillary flow in the liquid bridge can be researched by combining with the oscillation capillary convection video data in the liquid bridge shot by the micro camera 13.
The utility model has simple structure, compared with the traditional liquid bridge generator, the utility model can realize the clockwise or anticlockwise self-response rotation of the magnetic field by monitoring the periodic oscillation capillary convection flow direction; the self-response adjustment of the strength of the rotation suppression magnetic field can be realized through monitoring signals of the flow rate of the periodic oscillation capillary convection. On one hand, the utility model realizes the generation of the liquid bridge with the magnetic field suppression function; on the other hand, the defect of single magnetic field direction and fixed magnetic field intensity in the traditional liquid bridge generator magnetic field suppression is effectively overcome, the magnetic field direction is opposite to the flow direction of the periodic oscillation capillary convection at all times, the magnetic field intensity is adjusted in a self-adaptive mode, the suppression effect of the magnetic field on the periodic oscillation capillary convection in the crystal growth can be effectively researched, the experiment difficulty is reduced, the control of the magnetic field on the crystal growth process is comprehensively considered, the data obtained by the traditional liquid bridge generator is more comprehensive, stable and reliable, and the method has important significance for researching the crystal growth process in a floating area.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A magnetic field controllable liquid bridge generator is characterized by comprising a bracket device (1), a liquid bridge generating device (2), a magnetic field generating device (3), a magnetic field moving device (4) and an image recognition device (5); the support device (1) comprises an upper liquid bridge support (6) and a lower liquid bridge support (7), the liquid bridge generation device (2) is connected with the support device (1) through the upper liquid bridge support (6) and the lower liquid bridge support (7), the liquid bridge generation device (2) comprises an upper liquid bridge support plate (8) and a lower liquid bridge support plate (9), and a liquid bridge melting zone (10) is formed between the upper liquid bridge support plate (8) and the lower liquid bridge support plate (9); the magnetic field generating device (3) comprises a coil magnetic field generator (11), the magnetic field moving device (4) comprises a synchronous rotating motor (12), the synchronous rotating motor (12) is connected with the coil magnetic field generator (11), and the synchronous rotating motor (12) drives the coil magnetic field generator (11) to rotate around the liquid bridge generating device (2); the image recognition device (5) comprises a microscopic camera (13), and the height of the microscopic camera (13) is the same as that of the liquid bridge melting zone (10).
2. A magnetic field controllable liquid bridge generator according to claim 1, characterized in that the upper end of said upper liquid bridge supporting plate (8) is connected with an upper liquid bridge support (14) through screw thread, the upper liquid bridge support (14) is perpendicular to said upper liquid bridge support (6); the lower end of the lower liquid bridge supporting plate (9) is connected with a lower liquid bridge support (15) through threads, and the lower liquid bridge support (15) is perpendicular to the lower liquid bridge support (7).
3. A magnetic field controllable liquid bridge generator according to claim 2, characterized in that the upper end of the upper liquid bridge strut (14) is connected with an upper snap ring (16), and the upper end of the upper snap ring (16) is connected with an upper liquid bridge pin (17); the lower end of the lower liquid bridge strut (15) is connected with a lower snap ring (18), and the lower end of the lower snap ring (18) is connected with a lower liquid bridge pin (19);
and a lower disc liquid injection micropore channel (20) is formed among the lower liquid bridge supporting disc (9), the lower liquid bridge support column (15) and the lower snap ring (18).
4. A field-controllable liquid bridge generator according to claim 2, wherein the upper liquid bridge support (6) is provided with an upper mounting slot (21) at the junction with the upper liquid bridge strut (14), and the lower liquid bridge support (7) is provided with a lower mounting slot (22) at the junction with the lower liquid bridge strut (15).
5. A field-controllable liquid bridge generator according to claim 1, wherein said support means (1) further comprises a support beam vertical rail (23) and a pulling stepper motor (24), said support beam vertical rail (23) connects said upper liquid bridge support (6) and said lower liquid bridge support (7), said pulling stepper motor (24) is connected to one side of said support beam vertical rail (23) by a screw thread.
6. A magnetic field controllable liquid bridge generator according to claim 1, characterized in that the liquid bridge fusion zone (10) between the upper liquid bridge support plate (8) and the lower liquid bridge support plate (9) is provided with an upper hot corner zone thermocouple (25) and a lower cold corner zone thermocouple (26).
7. A field-controllable liquid bridge generator according to claim 1, characterized in that the field generating means (3) further comprises a field generator support (27), the synchronous rotating electrical machine (12) being connected to the field generator support (27) by means of a fastening bearing.
8. A magnetic field controllable liquid bridge generator according to claim 1, wherein the image recognition device (5) further comprises a diffusion sheet (28) and a background light (29), the lower ends of the diffusion sheet (28) and the background light (29) are connected with a support table (30), the background light (29) is located outside the diffusion sheet (28), and the heights of the microscopic camera (13), the diffusion sheet (28) and the background light (29) are the same as the height of the liquid bridge melting zone (10).
9. The magnetic field controllable liquid bridge generator according to claim 8, further comprising a control terminal (31), wherein the control terminal (31) is connected to the micro-camera (13), the control terminal (31) is further connected to the magnetic field moving device (4), the control terminal (31) is configured to obtain the shooting data of the micro-camera (13), and the control terminal (31) is further configured to drive the coil magnetic field generator (11) to rotate through the synchronous rotating motor (12).
10. A magnetic field controllable liquid bridge generator according to claim 1, characterized in that the upper liquid bridge supporting disc (8) and the lower liquid bridge supporting disc (9) are made of high temperature resistant copper or copper alloy material.
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| CN201920708397.8U CN209836369U (en) | 2019-05-16 | 2019-05-16 | Magnetic field controllable liquid bridge generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972207A (en) * | 2019-05-16 | 2019-07-05 | 沈阳工程学院 | A kind of field-control liquid bridge generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972207A (en) * | 2019-05-16 | 2019-07-05 | 沈阳工程学院 | A kind of field-control liquid bridge generator |
| CN109972207B (en) * | 2019-05-16 | 2024-03-08 | 沈阳工程学院 | Magnetic field controllable liquid bridge generator |
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