CN211555275U - Vacuum electromagnetic ejection demonstration device - Google Patents
Vacuum electromagnetic ejection demonstration device Download PDFInfo
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- CN211555275U CN211555275U CN202020548074.XU CN202020548074U CN211555275U CN 211555275 U CN211555275 U CN 211555275U CN 202020548074 U CN202020548074 U CN 202020548074U CN 211555275 U CN211555275 U CN 211555275U
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Abstract
The utility model discloses a vacuum electromagnetism launches presentation device, including the first mount that is used for fixed electro-magnet and can dismantle and locate be used for the second mount of fixed organic glass pipe on the first mount, the vertical joint of electro-magnet in on the first mount, the vertical joint of organic glass pipe in on the second mount, organic glass pipe and electro-magnet are relative perpendicularly from top to bottom be equipped with magnet in the organic glass pipe top is equipped with the vacuum leather hose and connects, the vacuum leather hose connects and connects evacuating device through the vacuum leather hose. The utility model discloses combine present maglev train speed in the vacuum to promote the problem, can carry out simple experimental simulation to can repeat the experiment.
Description
Technical Field
The utility model mainly relates to an electromagnetism launches technical field, especially relates to a vacuum electromagnetism launches presentation device.
Background
At present, the speed of the magnetic suspension train in China reaches a certain height, the phenomenon of air resistance is increasingly obvious along with the increase of the speed, the vacuum magnetic suspension train can continuously increase the speed of the train, but the vacuum magnetic suspension train is still in a theoretical stage at present, and the technical storage of the vacuum magnetic suspension train is necessary. At present, magnetic suspension and ejection experiments related to electromagnetism are single and cannot be repeated, so that a demonstration device which is simple to operate needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome above shortcoming, provide a vacuum electromagnetism ejection presentation device.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a vacuum electromagnetism launches presentation device, includes the first mount that is used for fixed electro-magnet and can dismantle to locate be used for the second mount of fixed organic glass pipe on the first mount, the vertical joint of electro-magnet in on the first mount, the vertical joint of organic glass pipe in on the second mount, organic glass pipe and electro-magnet are relative perpendicularly from top to bottom be equipped with magnet in the organic glass pipe top is equipped with the vacuum leather pipe joint, the vacuum leather pipe joint passes through vacuum leather pipe and connects evacuating device.
As a limitation: the electromagnet comprises an iron core and a coil, the iron core is vertically arranged below the organic glass tube and vertically opposite to the organic glass tube, the coil is wound on the iron core, and two free ends of the coil penetrate out of the first fixing frame and are used for being connected with an external voltage-stabilizing power supply.
As a limitation: the first fixing frame and the second fixing frame are two groove-shaped components, holes for the iron core and the organic glass tube to penetrate through are formed in the planes of the top ends of the first fixing frame and the second fixing frame, and clamping devices for clamping the iron core and the organic glass tube are arranged in the holes.
As a limitation: the side walls of two sides of the first fixing frame are provided with notches, supporting plates are inserted in the notches, circular grooves used for fixing the iron cores are formed in the supporting plates, and the diameters of the grooves are consistent with the diameters of the iron cores.
As a limitation: the clamping groove is formed in the plane of the top end of the first fixing frame, and the second fixing frame is clamped on the first fixing frame through the clamping groove.
As a limitation: the bottom end in the glass tube is also provided with a fixed support which is made of hard polyvinyl chloride.
As a limitation: the vacuum pumping device comprises a vacuum gauge, a vacuum valve, an air release valve and a vacuum pump, wherein the vacuum gauge, the vacuum valve, the air release valve and the vacuum pump are sequentially connected through a vacuum leather hose.
As a limitation: and scale marks are arranged on the machine glass tube.
The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in:
the utility model discloses have repeatability and integrated level, can provide the method of experiment for vacuum maglev train technical reserve work. Because the utility model discloses a first mount and second mount components of a whole that can function independently structure can make the utility model discloses: 1) the change of the magnet ejection distance in the air with different vacuum degrees along with the time under different voltage intensities can be realized; 2) the change of the magnet ejection distance in air with different vacuum degrees along with time and the influence rule of different iron core diameters on the magnetic force can be realized under different iron core diameters; 3) the change rule of the magnetic force can be realized when the coil is wound by different turns, so that the change condition of the magnet ejection distance in the air with different vacuum degrees can be further researched; 4) the change rule of the magnetic force can be realized under different iron core materials, and then the change condition of the magnet ejection distance in the air with different vacuum degrees can be researched. The method is combined with the problem of speed increase in vacuum of the existing magnetic suspension train, can be used for simple experimental simulation, and can be used for repeated experiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the first fixing frame and the second fixing frame of the present invention.
Fig. 3 is a schematic structural diagram at a.
In the figure: 1-a first fixing frame, 2-a second fixing frame, 3-an organic glass tube, 4-a magnet, 5-a vacuum leather hose joint, 6-a vacuum leather hose, 7-an iron core, 8-a coil, 9A and 9B-holes, 10-a supporting plate, 11-a groove, 12-a clamping notch, 13-a fixing support, 14-a vacuum gauge, 15-a vacuum valve, 16-an air release valve, 17-a vacuum pump, 18-a notch, 19-a clamping sheet and 20-a strip-shaped lug.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Referring to fig. 1, the utility model discloses a vacuum electromagnetic ejection presentation device, including first mount 1 and second mount 2, first mount 1 and second mount 2 can be dismantled the connection, and wherein, first mount 1 is used for the fixed electro-magnet, and second mount 2 is used for fixing organic glass pipe 3, is equipped with magnet 4 in the organic glass pipe 3. The electromagnet comprises iron core 7 and coil 8, and first mount 1 is used for external constant voltage power supply to two free ends of coil 8. When the coil 8 is powered on, the iron core 7 is magnetized to form an external magnetic pole. The power can select adjustable high voltage direct current constant voltage power supply to provide stable voltage source for this system, because high voltage direct current constant voltage power supply can manual regulation, so can provide different magnetic force for ejection magnet 4.
The specific structure of the first fixing frame 1 and the second fixing frame 2 is shown in fig. 2, the first fixing frame 1 and the second fixing frame 2 are two groove-shaped components, a clamping notch 12 is arranged on the top plane of the first fixing frame 1, and the second fixing frame 2 is clamped on the first fixing frame 1 through the clamping notch 12.
The top planes of the first fixing frame 1 and the second fixing frame 2 are provided with holes 9A and 9B for the iron core 7 and the organic glass tube 3 to pass through, and clamping devices for clamping the iron core 7 and the organic glass tube 3 are arranged in the holes 9A and 9B.
Like clamping device on second mount 2, its concrete structure is as shown in fig. 3, and it is including setting up two holding pieces 19 that are connected with the spring in hole 9B, is equipped with bar lug 20 on the holding piece 19, parts bar lug 20 to both sides, and organic glass pipe 3 passes hole 9B, makes two holding pieces 19 press from both sides tight quick-witted glass pipe 3 under the elastic effect of spring to make organic glass pipe 3 fixed. Then, vertically opposite structures are formed. The clamping device for clamping the iron core 7 in the first fixing frame 1 is the same as the clamping device for clamping the organic glass tube 3 in the second fixing frame 2, and repeated description is omitted. The organic glass tube 3 and the iron core 7 are formed into a vertically opposite structure by a clamping device.
Organic glass pipe 3 is used for providing the container that realizes different vacuum steady state environment, is equipped with vacuum leather pipe joint 5 on 3 tops of organic glass pipe, and vacuum leather pipe joint 5 passes through vacuum leather pipe 6 and connects evacuating device, and vacuum leather pipe 6 is used for transmitting gas, changes the atmospheric pressure in the vacuum glass pipe 3 through evacuating device and simulates vacuum environment. The vacuum pumping device comprises a vacuum gauge 14, a vacuum valve 15, an air release valve 16 and a vacuum pump 17, wherein the vacuum gauge 14, the vacuum valve 15, the air release valve 16 and the vacuum pump 17 are sequentially connected through a vacuum leather hose 6. The vacuum pump 17 is used for controlling the air pressure in the organic glass tube 3 to realize different vacuum degrees; the vacuum gauge 14 is used for measuring and displaying the air pressure value in the organic glass tube 3, so that the air pressure value in the organic glass tube 3 can be conveniently monitored in real time, and the vacuum pump 17 can conveniently adjust the air pressure value in the organic glass tube 3; the air release valve 16 is arranged between the vacuum pump 17 and the vacuum valve 15 to prevent oil injection phenomenon caused by air pressure difference after the vacuum pump 17 finishes pumping air and closes the vacuum valve 15; a vacuum valve 15 is installed between the air release valve 16 and the vacuum gauge 14, and after the air pressure in the plexiglass tube 3 reaches a desired value, the vacuum valve 15 is closed to keep the air pressure constant.
Preferably, the magnet 4 is preferably a cylindrical magnet for realizing the ejection action, the cylindrical magnet is placed in the organic glass tube 3, the bottom end in the glass tube is also provided with a fixing support 13, the fixing support 13 is made of hard polyvinyl chloride and is used for fixing the position of the cylindrical magnet when the cylindrical magnet returns to be consistent with that before ejection, and the repeatability of the experiment is further improved. Preferably, the organic glass tube 3 is provided with scale marks for observing the height of the magnet 4 during suspension.
The utility model discloses a working process does:
the vacuum pump 17 is firstly opened, the interior of the organic glass tube 3 is vacuumized, then the high-voltage direct-current voltage-stabilized power supply is connected, the iron core 7 is magnetized after the power supply is connected, an external magnetic pole is formed, the magnetic pole is the same as the magnetic pole below the magnet 4 in the organic glass tube 3, therefore, the magnet 4 is ejected upwards under the magnetic action force of repelling like poles, and then the magnet 4 is suspended in the organic glass tube 3 when the magnetic force is equal to the gravity of the magnet. If the demonstration that the magnet 4 is ejected and suspended under different voltage intensities is needed, the voltage of the high-voltage direct-current stabilized power supply can be adjusted.
The change of the magnet 4 in the air with different ejection distances and different vacuum degrees along with time and the influence rule of different iron core diameters on the magnetic force can also be realized by disassembling and assembling the first fixing frame 1 and the second fixing frame 2; when the coil is wound by different turns, the change rule of the magnetic force further studies the change condition of the ejection distance of the magnet 4 in the air with different vacuum degrees; under different iron core materials, the change rule of the magnetic force further studies the change condition of the ejection distance of the magnet 4 in the air with different vacuum degrees.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.
Claims (8)
1. The utility model provides a vacuum electromagnetism launches presentation device, includes first mount (1) that is used for the fixed electro-magnet and can dismantle to locate second mount (2) that are used for fixed organic glass pipe (3) on first mount (1), its characterized in that: the vertical joint of electro-magnet in on first mount (1), the vertical joint of organic glass pipe (3) in on second mount (2), organic glass pipe (3) and electro-magnet are relative perpendicularly from top to bottom be equipped with magnet (4) in organic glass pipe (3) top is equipped with vacuum leather pipe joint (5), vacuum leather pipe joint (5) are through vacuum leather pipe (6) connection evacuating device.
2. The vacuum electromagnetic ejection demonstration device according to claim 1, wherein: the electromagnet comprises an iron core (7) and a coil (8), wherein the iron core (7) is vertically arranged below the organic glass tube (3) and vertically opposite to the organic glass tube (3), the coil (8) is wound on the iron core (7), and two free ends of the coil (8) penetrate out of the first fixing frame (1) and are used for an external voltage-stabilized power supply.
3. The vacuum electromagnetic ejection demonstration device according to claim 2, wherein: first mount (1) and second mount (2) are two cell type components offer the confession on first mount (1) and second mount (2) top plane hole (9A,9B) that iron core (7) and organic glass pipe (3) passed, be equipped with in hole (9A,9B) and be used for the centre gripping the clamping device of iron core (7) and organic glass pipe (3).
4. The vacuum electromagnetic ejection demonstration device according to claim 3, wherein: the side walls of two sides of the first fixing frame are provided with notches (18), a supporting plate (10) is inserted in the notches (18), a circular groove (11) used for fixing the iron core (7) is formed in the supporting plate (10), and the diameter of the groove (11) is consistent with that of the iron core (7).
5. The vacuum electromagnetic ejection demonstration device according to claim 3, wherein: the clamping groove is characterized in that a clamping groove opening (12) is formed in the top end plane of the first fixing frame (1), and the second fixing frame (2) is clamped on the first fixing frame (1) through the clamping groove opening (12).
6. The vacuum electromagnetic ejection demonstration device according to claim 1, wherein: the bottom end in the glass tube is also provided with a fixed support (13), and the fixed support (13) is made of rigid polyvinyl chloride.
7. The vacuum electromagnetic ejection demonstration device according to claim 1, wherein: the vacuumizing device comprises a vacuum gauge (14), a vacuum valve (15), a deflation valve (16) and a vacuum pump (17), wherein the vacuum gauge (14), the vacuum valve (15), the deflation valve (16) and the vacuum pump (17) are sequentially connected through the vacuum leather hose (6).
8. The vacuum electromagnetic ejection demonstration device according to claim 4, wherein: and scale marks are arranged on the machine glass tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548074.XU CN211555275U (en) | 2020-04-14 | 2020-04-14 | Vacuum electromagnetic ejection demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548074.XU CN211555275U (en) | 2020-04-14 | 2020-04-14 | Vacuum electromagnetic ejection demonstration device |
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| Publication Number | Publication Date |
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| CN211555275U true CN211555275U (en) | 2020-09-22 |
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| CN202020548074.XU Active CN211555275U (en) | 2020-04-14 | 2020-04-14 | Vacuum electromagnetic ejection demonstration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509439A (en) * | 2020-10-30 | 2021-03-16 | 合肥正宇自动化科技有限公司 | Small ball movement science popularization demonstration device based on magnetic balls |
-
2020
- 2020-04-14 CN CN202020548074.XU patent/CN211555275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509439A (en) * | 2020-10-30 | 2021-03-16 | 合肥正宇自动化科技有限公司 | Small ball movement science popularization demonstration device based on magnetic balls |
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