CN110716164A - Multifunctional magnetic force tester - Google Patents
Multifunctional magnetic force tester Download PDFInfo
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- CN110716164A CN110716164A CN201911185090.5A CN201911185090A CN110716164A CN 110716164 A CN110716164 A CN 110716164A CN 201911185090 A CN201911185090 A CN 201911185090A CN 110716164 A CN110716164 A CN 110716164A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1253—Measuring galvano-magnetic properties
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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Abstract
A multifunctional magnetic force tester comprises a main body, a magnetic field sensor, a; adjusting the level of the bottom plate by adjusting the foundation screws, and sequentially fixing the direct-current power supply, the electronic scale, the frame and the rotating platform on the bottom plate from left to right; the electric control system consists of a direct current power supply, an electric wire, two electrodes and an electrode beam, and the reversing switch is arranged on the direct current power supply; the measuring system consists of an electronic scale, weights, springs, two connecting rings, a magnet core, a guide block and a rod, three wire wheel sets, a seat, an adjusting nut, a connecting wire, an adjusting rod and a limiting piece; the rotary platform consists of a coil disc chassis, an end cover, an electrode plate group, a disc shaft nut combination, an electrode disc and a coil group consisting of coils with different turns or different wire diameters, a power switch is turned on, a power supply supplies power to the coils to generate electromagnetic force to act on the magnetic cores and change influence conditions, and the electronic scale displays the change of acting force in real time and verifies the action of the electromagnetic force; the design has the advantages of fewer accessories and simple and convenient use.
Description
Technical Field
The invention relates to the field of physical teaching or science popularization, in particular to a multifunctional magnetic force tester which can test and verify the influence of coils with different turns, different magnetic cores, different anode and cathode connection methods and different distances of the magnetic cores from the coils on magnetic force on one device.
Background
In teaching or science and technology popularizing activities, there are many influences which are hard to understand such as the generation, influence and action of electromagnetic force.
The technical problem to be solved by the invention is as follows: a set of coils with different turns is combined into a rotary platform, and the rotary platform is rotated to enable each coil to be electrified and change the magnitude and direction of current respectively, so that the position changes of a coil core, an acting element and the coil are changed, and the generation and influence factors of electromagnetic force are verified.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multifunctional magnetic force tester is characterized in that: a multifunctional magnetic force tester is characterized in that: the main body consists of a bottom plate, a frame, an electric control system, a measuring system and a rotating platform; four adjusting anchor screws 33 are fixed on the bottom plate 2, the level of the bottom plate 2 is adjusted, and the direct-current power supply 31, the electronic scale 30, the frame 26 and the rotating platform are sequentially fixed on the bottom plate 2 from left to right; the electric control system consists of a direct current power supply 31, wires 1, an electrode A8, an electrode B9, an electrode beam A10 and an electrode beam B35, wherein the direct current power supply 31 is provided with a switch A32, an adjusting knob 36, an ammeter 37, a voltmeter 39 and a current output end 40, a reversing switch 38 is fixed on the direct current power supply 31, one ends of the two wires 1 are respectively connected with two poles of the current output end 40, the other ends of the two wires 1 are connected with an input end of the reversing switch 38, one ends of the other two wires 1 are respectively connected with an output end of the reversing switch 38, and the other ends of the two wires 1 are respectively connected with an; the measuring system comprises an electronic scale 30, weights 29, a spring 27, a connecting ring B28, a magnetic core 11, a guide block 12, a guide rod 13, a connecting ring A14, a reel seat A15, a reel A16, an adjusting nut 17, a connecting wire 18, a reel seat B19, a reel B20, a shaft 21, an adjusting rod 22, a limit screw 23, a reel C24 and a reel seat C25, wherein the reel A16, the reel B20 and the reel C24 are respectively arranged on the reel seat A15, the reel seat B19 and the reel seat C25 and respectively rotate around the shaft 21 on the corresponding reel seat, the reel seat A15 and the reel seat C25 are fixed at the right and left ends of an upper cross beam of the frame 26, the reel seat B19 is fixed at the upper end of the adjusting rod 22, the threads at the lower end of the adjusting rod 22 are screwed on the adjusting nut 17 and then pass through a hole in the middle of the upper cross beam of the frame 26, the upper cross beam is limited by the limit screw 23 to limit the adjusting rod 22, the electronic scale 30 is provided with a scale pan 3001, a display 3002, a switch B3003, a function key 3004 and a peeling key 3005, one end of a connecting wire 18 is connected with a weight 29 placed on the scale pan 3001, the other end of the connecting wire is connected with a connecting ring B28, the connecting ring B28 is connected with a spring 27, one end of the other connecting wire 18 is connected with the spring 27, the middle of the other connecting wire sequentially bypasses a reel C24, a reel B20 and a reel A16, and is connected with a connecting ring A14, one end of the connecting wire 18 is connected with a connecting ring A14, the other end of the connecting wire is connected with a guide rod 13, the guide rod 13 penetrates through a guide block 12 and then is connected with a magnet core 11; the rotary platform consists of a coil panel chassis 3, a coil panel end cover 4, an electrode plate group 5, a coil shaft nut combination 6, a coil group 7 and an electrode panel 34, the coil shaft nut combination 6 consists of a coil shaft 601 and a nut 602, the upper surface of the coil panel end cover 4 is bonded with the electrode panel 34 concentric with the central hole outside the central hole, six electrode plates A501, B502, C503, D504, E505 and F506 are uniformly bonded on a circular ring flange tightly attached to the edge outside the electrode panel 34, an arc formed by the arc sides of the electrode plates and an inner circle and an outer circle of the circular ring bonded with the circular ring flange of the electrode plates are concentric with the central hole, any two electrode plates do not directly form a loop, the electrode panel 34 and any one electrode plate do not directly form a loop, six circular holes are uniformly distributed in a blank area between the concentric circles of the electrode plates and the electrode panel, and the circle passing through the six circular holes are coincident with the center of the, six circular holes with the same size are also formed in corresponding positions on the coil panel base plate 3, a coil group 7 consists of six coils A701, B702, C703, D704, E705 and F706, one end of each of terminals of the six coils A701, B702, C703, D704, E705 and F706 is connected to the electrode panel 34, the other end of each of the terminals is connected to the corresponding six electrode plates A501, B502, C503, D504, E505 and F506, two ends of a hollow framework of each of the coils are respectively inserted into the six holes on the coil panel base plate 3 and the coil panel end cover 4, the coil axis 601 sequentially penetrates through central holes on the coil panel base plate 3 and the coil panel end cover 4 from bottom to top and is fixed into a whole by nuts 602, the coil panel base plate 3 and the coil panel end cover 4 can rotate around the coil axis 601, the lower end of the coil axis 601 is fixed on the base plate 2, the holes for fixing the rotary platform on the bottom plate 2 ensure that the track of the central line of any fixed coil hole when the rotary platform rotates around the disc shaft 601 has a coincidence point with the axis of the magnetic core 11; when the rotary platform rotates around the disk shaft 601, the electrode A8 is always connected to the electrode disk 34 by its own elastic contact, the electrode plate a501, the electrode plate B502, the electrode plate C503, the electrode plate D504, the electrode plate E505, or the electrode plate F506 rotates with the rotary platform, and when the coil axis connected to the electrode plate coincides with the axis of the magnetic core 11, the electrode plate is connected to the electrode B9 by its own elastic contact of the electrode B9.
The switch B3003 is opened, and the display 3002 displays the pressure of the measuring system on the scale pan 3001 through the weight; the wire 1 forms a loop with the reversing switch 38, the electrode A8, the electrode disc 34, the coil, the corresponding electrode plate and the electrode B9, the switch A32 is opened, the direct current power supply 31 energizes the coil, the coil generates electromagnetic force, attracts or repels the magnetic core 11, and changes on the display 3002 are observed.
By pulling the direction switch 38, the direction of the current input to the coil from the dc power supply 31 is changed, and the coil generates an electromagnetic force to repel or attract the magnetic core 11, thereby observing the change of the display 3002.
By rotating the adjustment knob 36, the ammeter 37 and the voltmeter 39 are changed on the dc power supply 31, the electromagnetic force generated by the coil is reduced or increased by the reduction or increase of the current, and the change of the display 3002 is observed.
The magnetic core and the iron rod are added into the coil, the electromagnetic force generated by the coil is increased under the condition of the same current, chalk and plastic are added, the electromagnetic force generated by the coil is unchanged under the condition of the same current, and the change of the display 3002 is observed.
The adjustment nut 17 is rotated to move the adjustment rod 22 up or down, thereby adjusting the distance between the magnetic core 11 and the coil and observing the change of the display 3002.
The rotating platform is rotated to change coils with different turns or coils with the same turn and different wire diameters, and the change of the display 3002 is observed.
Due to the adoption of the technical scheme, the invention has the advantages and positive effects that: a multifunctional magnetic force tester comprises a main body, a magnetic field sensor, a; adjusting the level of the bottom plate by adjusting the foundation screws, and sequentially fixing the direct-current power supply, the electronic scale, the frame and the rotating platform on the bottom plate from left to right; the electric control system consists of a direct current power supply, an electric wire, two electrodes and an electrode beam, and the reversing switch is arranged on the direct current power supply; the measuring system consists of an electronic scale, weights, springs, two connecting rings, a magnet core, a guide block and a rod, three wire wheel sets, a seat, an adjusting nut, a connecting wire, an adjusting rod and a limiting piece; the rotary platform consists of a coil disc chassis, an end cover, an electrode plate group, a disc shaft nut combination, an electrode disc and a coil group consisting of coils with different turns or different wire diameters, a power switch is turned on, a power supply supplies power to the coils to generate electromagnetic force to act on the magnetic cores and change influence conditions, and the electronic scale displays the change of acting force in real time and verifies the action of the electromagnetic force; the design has the advantages of fewer accessories and simple and convenient use.
Description of the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a partially enlarged view of the rotary table.
In the figure: 1. an electric wire; 2. a base plate; 3. a coil disk chassis; 4. coil panel end covers and 5, electrode plate groups; 501. an electrode plate A; 502. an electrode plate B; 503. an electrode plate C; 504. an electrode plate D; 505. an electrode plate E; 506. an electrode plate F; 6. assembling a disc shaft nut; 601. a disc shaft; 602. a nut; 7. a coil assembly; 701. a coil A; 702. a coil B; 703. a coil C; 704. a coil D; 705. a coil E; 706. a coil F; 8. an electrode A; 9. an electrode B; 10. an electrode beam A; 11. a magnetic core; 12. a guide block; 13. a guide rod; 14. a connecting ring A; 15. a wire wheel seat A; 16. a wire wheel A; 17. adjusting the nut; 18. a connecting wire; 19. a wire wheel seat B; 20. a reel B; 21. a shaft; 22. adjusting a rod; 23. a limit screw; 24. a wire wheel C; 25. a wire wheel seat C; 26. a frame; 27. a spring; 28. a connecting ring B; 29. a weight; 30. an electronic scale; 3001. weighing a scale pan; 3002. a display; 3003. a switch B; 3004. a function key; 3005. peeling the key; 31. a direct current power supply; 32. a switch A; 33. adjusting the foundation screws; 34. an electrode disk; 35. an electrode beam B; 36. adjusting a knob; 37. an ammeter; 38. a reversing switch; 39. a voltmeter; 40. and a current output terminal.
The specific implementation mode is as follows: a multifunctional magnetic force tester is shown in figures 1-3, and is characterized in that: a multifunctional magnetic force tester is characterized in that: the main body consists of a bottom plate, a frame, an electric control system, a measuring system and a rotating platform; four adjusting anchor screws 33 are fixed on the bottom plate 2, the level of the bottom plate 2 is adjusted, and the direct-current power supply 31, the electronic scale 30, the frame 26 and the rotating platform are sequentially fixed on the bottom plate 2 from left to right; the electric control system consists of a direct current power supply 31, wires 1, an electrode A8, an electrode B9, an electrode beam A10 and an electrode beam B35, wherein the direct current power supply 31 is provided with a switch A32, an adjusting knob 36, an ammeter 37, a voltmeter 39 and a current output end 40, a reversing switch 38 is fixed on the direct current power supply 31, one ends of the two wires 1 are respectively connected with two poles of the current output end 40, the other ends of the two wires 1 are connected with an input end of the reversing switch 38, one ends of the other two wires 1 are respectively connected with an output end of the reversing switch 38, and the other ends of the two wires 1 are respectively connected with an; the measuring system comprises an electronic scale 30, weights 29, a spring 27, a connecting ring B28, a magnetic core 11, a guide block 12, a guide rod 13, a connecting ring A14, a reel seat A15, a reel A16, an adjusting nut 17, a connecting wire 18, a reel seat B19, a reel B20, a shaft 21, an adjusting rod 22, a limit screw 23, a reel C24 and a reel seat C25, wherein the reel A16, the reel B20 and the reel C24 are respectively arranged on the reel seat A15, the reel seat B19 and the reel seat C25 and respectively rotate around the shaft 21 on the corresponding reel seat, the reel seat A15 and the reel seat C25 are fixed at the right and left ends of an upper cross beam of the frame 26, the reel seat B19 is fixed at the upper end of the adjusting rod 22, the threads at the lower end of the adjusting rod 22 are screwed on the adjusting nut 17 and then pass through a hole in the middle of the upper cross beam of the frame 26, the upper cross beam is limited by the limit screw 23 to limit the adjusting rod 22, the electronic scale 30 is provided with a scale pan 3001, a display 3002, a switch B3003, a function key 3004 and a peeling key 3005, one end of a connecting wire 18 is connected with a weight 29 placed on the scale pan 3001, the other end of the connecting wire is connected with a connecting ring B28, the connecting ring B28 is connected with a spring 27, one end of the other connecting wire 18 is connected with the spring 27, the middle of the other connecting wire sequentially bypasses a reel C24, a reel B20 and a reel A16, and is connected with a connecting ring A14, one end of the connecting wire 18 is connected with a connecting ring A14, the other end of the connecting wire is connected with a guide rod 13, the guide rod 13 penetrates through a guide block 12 and then is connected with a magnet core 11; the rotary platform consists of a coil panel chassis 3, a coil panel end cover 4, an electrode plate group 5, a coil shaft nut combination 6, a coil group 7 and an electrode panel 34, the coil shaft nut combination 6 consists of a coil shaft 601 and a nut 602, the upper surface of the coil panel end cover 4 is bonded with the electrode panel 34 concentric with the central hole outside the central hole, six electrode plates A501, B502, C503, D504, E505 and F506 are uniformly bonded on a circular ring flange tightly attached to the edge outside the electrode panel 34, an arc formed by the arc sides of the electrode plates and an inner circle and an outer circle of the circular ring bonded with the circular ring flange of the electrode plates are concentric with the central hole, any two electrode plates do not directly form a loop, the electrode panel 34 and any one electrode plate do not directly form a loop, six circular holes are uniformly distributed in a blank area between the concentric circles of the electrode plates and the electrode panel, and the circle passing through the six circular holes are coincident with the center of the, six circular holes with the same size are also formed in corresponding positions on the coil panel base plate 3, a coil group 7 consists of six coils A701, B702, C703, D704, E705 and F706, one end of each of terminals of the six coils A701, B702, C703, D704, E705 and F706 is connected to the electrode panel 34, the other end of each of the terminals is connected to the corresponding six electrode plates A501, B502, C503, D504, E505 and F506, two ends of a hollow framework of each of the coils are respectively inserted into the six holes on the coil panel base plate 3 and the coil panel end cover 4, the coil axis 601 sequentially penetrates through central holes on the coil panel base plate 3 and the coil panel end cover 4 from bottom to top and is fixed into a whole by nuts 602, the coil panel base plate 3 and the coil panel end cover 4 can rotate around the coil axis 601, the lower end of the coil axis 601 is fixed on the base plate 2, the holes for fixing the rotary platform on the bottom plate 2 ensure that the track of the central line of any fixed coil hole when the rotary platform rotates around the disc shaft 601 has a coincidence point with the axis of the magnetic core 11; when the rotary platform rotates around the disk shaft 601, the electrode A8 is always connected to the electrode disk 34 by its own elastic contact, the electrode plate a501, the electrode plate B502, the electrode plate C503, the electrode plate D504, the electrode plate E505, or the electrode plate F506 rotates with the rotary platform, and when the coil axis connected to the electrode plate coincides with the axis of the magnetic core 11, the electrode plate is connected to the electrode B9 by its own elastic contact of the electrode B9.
The multifunctional magnetic force tester is characterized in that: the switch B3003 is opened, and the display 3002 displays the pressure of the measuring system on the scale pan 3001 through the weight; the wire 1 forms a loop with the reversing switch 38, the electrode A8, the electrode disc 34, the coil, the corresponding electrode plate and the electrode B9, the switch A32 is opened, the direct current power supply 31 energizes the coil, the coil generates electromagnetic force, attracts or repels the magnetic core 11, and changes on the display 3002 are observed.
The multifunctional magnetic force tester is characterized in that: by pulling the direction switch 38, the direction of the current input to the coil from the dc power supply 31 is changed, and the coil generates an electromagnetic force to repel or attract the magnetic core 11, thereby observing the change of the display 3002.
The multifunctional magnetic force tester is characterized in that: by rotating the adjustment knob 36, the ammeter 37 and the voltmeter 39 are changed on the dc power supply 31, the electromagnetic force generated by the coil is reduced or increased by the reduction or increase of the current, and the change of the display 3002 is observed.
The multifunctional magnetic force tester is characterized in that: the magnetic core and the iron rod are added into the coil, the electromagnetic force generated by the coil is increased under the condition of the same current, chalk and plastic are added, the electromagnetic force generated by the coil is unchanged under the condition of the same current, and the change of the display 3002 is observed.
The multifunctional magnetic force tester is characterized in that: the adjustment nut 17 is rotated to move the adjustment rod 22 up or down, thereby adjusting the distance between the magnetic core 11 and the coil and observing the change of the display 3002.
The multifunctional magnetic force tester is characterized in that: the rotating platform is rotated to change coils with different turns or coils with the same turn and different wire diameters, and the change of the display 3002 is observed.
Claims (7)
1. A multifunctional magnetic force tester is characterized in that: the main body consists of a bottom plate, a frame, an electric control system, a measuring system and a rotating platform; four adjusting anchor screws (33) are fixed on the bottom plate (2), the level of the bottom plate (2) is adjusted, and the direct-current power supply (31), the electronic scale (30), the frame (26) and the rotating platform are sequentially fixed on the bottom plate (2) from left to right; the electric control system is composed of a direct current power supply (31), wires (1), an electrode A (8), an electrode B (9), an electrode beam A (10) and an electrode beam B (35), wherein a switch A (32), an adjusting knob (36), an ammeter (37), a voltmeter (39) and a current output end (40) are arranged on the direct current power supply (31), a reversing switch (38) is fixed on the direct current power supply (31), one ends of the two wires (1) are respectively connected with two poles of the current output end (40), the other ends of the two wires are connected with the input end of the reversing switch (38), one ends of the other two wires (1) are respectively connected with the output end of the reversing switch (38), and the other ends of the two wires are respectively connected with the electrode A (8); the measuring system consists of an electronic scale (30), weights (29), a spring (27), a connecting ring B (28), a magnetic core (11), a guide block (12), a guide rod (13), a connecting ring A (14), a wire wheel seat A (15), a wire wheel A (16), an adjusting nut (17), a connecting wire (18), a wire wheel seat B (19), a wire wheel B (20), a shaft (21), an adjusting rod (22), a limiting screw (23), a wire wheel C (24) and a wire wheel seat C (25), wherein the wire wheel A (16), the wire wheel B (20) and the wire wheel C (24) are respectively arranged on the wire wheel seat A (15), the wire wheel seat B (19) and the wire wheel seat C (25) and respectively rotate around the shaft (21) on the corresponding wire wheel seat, the wire wheel seat A (15) and the wire wheel seat C (25) are fixed at the right two side ends of an upper beam of a frame (26), the wire wheel seat B (19) is fixed at, the screw thread at the lower end of the adjusting rod (22) is screwed with an adjusting nut (17) and then penetrates through a hole in the middle of an upper cross beam of a frame (26), the upper cross beam is limited by a limit screw (23) to rotate the adjusting rod (22), the adjusting rod (22) can only move up and down on the upper cross beam when the adjusting nut (17) is rotated, a scale pan (3001), a display (3002), a switch B (3003), a function key (3004) and a peeling key (3005) are arranged on an electronic scale (30), one end of one connecting wire (18) is connected with a weight (29) placed on the scale pan (3001), the other end of the connecting wire is connected with a connecting ring B (28), the connecting ring B (28) is connected with a spring (27), one end of the other connecting wire (18) is connected with a spring (27), the middle of the other connecting wire (18) sequentially bypasses a reel C (24), a reel B (20) and a reel A, the other end of the magnetic core is connected with a guide rod (13), the guide rod (13) penetrates through a guide block (12) and then is connected with a magnetic core (11), the guide block (12) is fixed on a frame (26) through a screw, and the guide rod (13) is limited to rotate and swing; the rotary platform is composed of a coil disc chassis (3), a coil disc end cover (4), an electrode plate group (5), a disc shaft nut combination (6), a coil group (7) and an electrode disc (34), the disc shaft nut combination (6) is composed of a disc shaft (601) and a nut (602), the upper surface of the coil disc end cover (4) is bonded with the electrode disc (34) concentric with the central hole outside the central hole, six electrode plates A (501), an electrode plate B (502), an electrode plate C (503), an electrode plate D (504), an electrode plate E (505) and an electrode plate F (506) are uniformly bonded on a circular ring flange tightly attached to the edge outside the electrode disc (34), an arc formed by the arc edges of the electrode plates and circular rings inside and outside the circular ring flange bonded with the electrode plates are concentric with the central hole, any two electrode plates do not directly form a loop, and the electrode disc (34) and any one electrode plate do not directly form a loop, blank area evenly distributed six round holes between the electrode plate and the concentric circle of electrode plate, the circle through six round hole centre of a circle coincides with the centre of a circle of centre bore, six round holes of same size are also seted up to corresponding position on coil dish chassis (3), coil group (7) are by six coil A (701), coil B (702), coil C (703), coil D (704), coil E (705) and coil F (706) are constituteed, six coil A (701), coil B (702), coil C (703), coil D (704), coil E (705) and coil F (706)'s wiring end one end all is connected to on electrode plate (34), the other end is connected to corresponding six electrode plate A (501), electrode plate B (502), electrode plate C (503), electrode plate D (504), electrode plate E (505) and electrode plate F (506) after, the both ends of the hollow skeleton of coil are inserted respectively in six holes on coil dish chassis (3) and coil dish end cover (4), the both ends of coil dish are followed The coil shaft (601) sequentially penetrates through central holes in the coil disc base plate (3) and the coil disc end cover (4) from bottom to top and is fixed into a whole by a nut (602), the coil disc base plate (3) and the coil disc end cover (4) can rotate around the coil shaft (601), the lower end of the coil shaft (601) is fixed on the bottom plate (2), and the hole for fixing the rotary platform by the bottom plate (2) ensures that the track of the central line of any fixed coil hole when the rotary platform rotates around the coil shaft (601) has coincident points with the axis of the magnet core (11); when the rotary platform rotates around the disk shaft (601), the electrode A (8) is always connected with the electrode disk (34) by the elastic contact of the electrode A, the electrode plate B (502), the electrode plate C (503), the electrode plate D (504), the electrode plate E (505) or the electrode plate F (506) by the elastic contact of the electrode A, the electrode plate B (9) by the elastic contact of the electrode B (9) when the coil axis connected with the electrode plate is coincident with the axis of the magnetic core (11).
2. The multifunctional magnetic force tester as claimed in claim 1, wherein: the switch B (3003) is opened, and the display (3002) displays the pressure of the measuring system on the scale pan (3001) through the weight; the wire (1) forms a loop by the reversing switch (38), the electrode A (8), the electrode disc (34), the coil, the corresponding electrode plate and the electrode B (9), the switch A (32) is opened, the direct current power supply (31) conducts electricity to the wire, the coil generates electromagnetic force, the electromagnetic force attracts or repels the magnetic core (11), and changes on the display (3002) are observed.
3. The multifunctional magnetic force tester as claimed in claim 2, wherein: and a reversing switch (38) is pulled to change the current direction input into the coil by the direct current power supply (31), the coil generates electromagnetic force, the electromagnetic force repels or attracts the magnetic core (11), and the change of the display (3002) is observed.
4. The multifunctional magnetic force tester as claimed in claim 2, wherein: when the adjustment knob (36) is rotated, the ammeter (37) and the voltmeter (39) of the DC power supply (31) are changed, the electromagnetic force generated by the coil is reduced or increased due to the reduction or increase of the current, and the change of the display (3002) is observed.
5. The multifunctional magnetic force tester as claimed in claim 2, wherein: the magnetic core and the iron rod are added into the coil, the electromagnetic force generated by the coil is increased under the condition of the same current, chalk and plastic are added, the electromagnetic force generated by the coil is unchanged under the condition of the same current, and the change of the display (3002) is observed.
6. The multifunctional magnetic force tester as claimed in claim 2, wherein: the adjusting nut (17) is rotated to move the adjusting rod (22) up or down, the distance between the magnetic core (11) and the coil is adjusted, and the change of the display (3002) is observed.
7. The multifunctional magnetic force tester as claimed in claim 2, wherein: the rotating platform is rotated, coils with different turns or coils with the same turns and different wire diameters are changed, and the change of the display (3002) is observed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185090.5A CN110716164A (en) | 2019-11-28 | 2019-11-28 | Multifunctional magnetic force tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185090.5A CN110716164A (en) | 2019-11-28 | 2019-11-28 | Multifunctional magnetic force tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110716164A true CN110716164A (en) | 2020-01-21 |
Family
ID=69216532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911185090.5A Withdrawn CN110716164A (en) | 2019-11-28 | 2019-11-28 | Multifunctional magnetic force tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110716164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102695A (en) * | 2020-10-23 | 2020-12-18 | 内江师范学院 | Ampere force experiment demonstration device |
-
2019
- 2019-11-28 CN CN201911185090.5A patent/CN110716164A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102695A (en) * | 2020-10-23 | 2020-12-18 | 内江师范学院 | Ampere force experiment demonstration device |
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