CN210006322U - electromagnetic induction and magnetic suspension demonstration teaching aid - Google Patents

Abstract

The utility model discloses an electromagnetic induction and magnetic suspension demonstration teaching aid, including the mounting bracket that is "L" column structure, from a left side to the right side fix in proper order at the tray and the power on mounting bracket horizontal straight section top and invert the bulb of installing at the tray top, the top of mounting bracket horizontal straight section is fixed with the protection machanism that is used for protecting the bulb, the top of mounting bracket vertical section is connected with the magnetic suspension base through adjustment mechanism the utility model discloses can carry out dustproof and waterproof processing to the bulb, reduce the erosion that external dust moisture led to the fact the bulb, can let the bulb can steadily upwards remove and realize steady suspension, prevent that the bulb from taking place when the suspension crooked and rock and produce wearing and tearing, prolong the life of bulb, and then prolong the life of this teaching aid, also make things convenient for audio-visual observation bulb to send the light intensity under the suspension state simultaneously, be favorable to this taste teaching aid push away and use.

Description

electromagnetic induction and magnetic suspension demonstration teaching aid

Technical Field

The utility model relates to a physics taste teaching aid technical field specifically is kinds of electromagnetic induction and magnetic suspension demonstration teaching aid.

Background

The upper end and the lower end of a bulb body of the magnetic suspension bulb are provided with hidden circuits, the bulb is suspended by utilizing electromagnetic induction, and electric energy is transmitted to the bulb by wireless power transmission according to the magnetic coupling resonance principle in the suspension process, so that the bulb can emit light; magnetic suspension bulb belongs to the physics category, when studying magnetic suspension bulb principle, often need use the teaching aid, along with the continuous development of science and technology, the kind of magnetic suspension electric light principle teaching also develops thereupon.

However, at present, in the magnetic suspension lamp teaching aid on the market, the bulb surface can accumulate a large amount of dust in long-time use, easily receives the erosion that moisture caused the bulb in the air, and the bulb easily takes place the condition that the slant rocked when the suspension, leads to the whole life of bulb short, has influenced the life of this taste teaching aid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of electromagnetic induction and magnetic suspension demonstration teaching aid to solve the erosion that the current teaching aid bulb that provides among the above-mentioned background art received the moisture dust in the air easily, the problem that the bulb took place crooked when the suspension easily.

In order to achieve the above object, the utility model provides a following technical scheme:

electromagnetic induction and magnetic suspension demonstration teaching aid comprises an L-shaped mounting frame, a support block, a power supply and a bulb, wherein the support block and the power supply are sequentially fixed at the top end of a transverse and straight section of the mounting frame from left to right, the bulb is inversely arranged at the top of the support block, a protection mechanism for protecting the bulb is fixed at the top end of the transverse and straight section of the mounting frame, the bulb comprises a lamp housing, a permanent magnet fixed at the top end of the lamp housing, a bulb bead located in an inner cavity of the lamp housing and connected with the permanent magnet, and a receiving coil wound on the side wall of the bulb, the protection mechanism comprises a protection tube vertically arranged above the transverse and straight section of the mounting frame and used for completely surrounding the protection bulb, a transmitting coil is wound on the inner wall of the protection tube, the top end of the vertical section of the mounting frame is connected with a magnetic suspension base through an adjusting mechanism, the mounting position of the magnetic suspension base is vertically opposite to the position of the bulb, the adjusting mechanism comprises a stud vertically fixed at the top end of the vertical section of the mounting frame, a transverse plate movably sleeved on the outer surface and a transverse and level with the transverse and a transverse and level.

Preferably, the protection mechanism further comprises a support plate transversely fixed on the right side of the vertical section of the mounting frame and a vertical plate vertically fixed on the right side of the bottom end of the support plate; the top of the support plate is provided with a through positioning hole for the protective pipe to vertically pass through; the left side of the top end of the support plate is provided with a through guide hole, and the bottom of the vertical plate is tightly attached to the top of the transverse straight section of the mounting frame; and the top surface of the outer pipe wall of the protective pipe is symmetrically fixed with connecting blocks, and the connecting blocks are fixedly connected to the support plate through screws.

Preferably, the adjusting mechanism further comprises an elastic part which is positioned at the bottom of the transverse plate and sleeved on the outer surface of the stud, and a guide column which is positioned at the right side of the stud and vertically fixed at the bottom of the transverse plate, wherein the top of the elastic part is fixed at the bottom of the transverse plate; the elastic member includes a spring.

Preferably, the bottom end of the guide post vertically extends out of the position below the hole of the guide hole, and the outer surface of the guide post is provided with a wear-resistant layer.

Preferably, a through hole for the stud to vertically pass through is formed in the left side of the top end of the transverse plate in a penetrating manner; and the top end of the fastening block is provided with a through screw hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a protection machanism, can carry out dustproof and waterproof processing to the bulb, reduce the erosion that external dust moisture caused the bulb, rely on the cooperation of protecting tube, can be when demonstration bulb magnetic suspension is aerial, the suspension direction of restriction bulb, let the bulb can steady rebound realize steady suspension, prevent that the bulb from taking place the condition that the skew rocked when the suspension, so as to avoid the bulb to receive and rock and produce wearing and tearing, the life of bulb has been prolonged, and then the life of this taste teaching aid has been prolonged, simultaneously through adjustment mechanism, can be at the in-process of demonstration, change the distance between magnetic suspension base and the bulb rapidly, with this more swift demonstration of carrying out the magnetic suspension electric light principle, the intensity of the light that convenient audio-visual observation bulb sent out under the suspension state, be favorable to this magnetic suspension electric light principle demonstration and use pushing away use of taste.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic structural view of the adjusting mechanism of the present invention combined with a magnetic suspension base;

fig. 3 is a structural perspective view of the mounting bracket of the present invention;

FIG. 4 is a perspective view of the cross plate of the present invention;

FIG. 5 is a perspective view of the fastening block of the present invention;

FIG. 6 is a schematic view of the structure of the bulb and the protection mechanism of the present invention;

FIG. 7 is a perspective view of the structure of the support plate and the vertical plate of the present invention;

fig. 8 is a schematic structural view of the bulb of the present invention mounted on the support block.

In the figure: the lamp comprises a mounting frame 1, a support block 2, a bulb 3, a lamp shell 31, a permanent magnet 32, a lamp bead 33, a receiving coil 34, a protection mechanism 4, a support plate 41, a positioning hole 411, a guide hole 412, a vertical plate 42, a protection tube 43, a transmitting coil 44, a connecting block 45, a power supply 5, an adjusting mechanism 6, a stud 61, a transverse plate 62, a perforation 621, a fastening block 63, a screw hole 631, an elastic part 64, a guide column 65, a magnetic suspension base 7, an iron core 71 and a coil group 72.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

Referring to fig. 1-8, electromagnetic induction and magnetic suspension demonstration teaching aid comprises a mounting frame 1 in an L-shaped structure, a support block 2 and a power supply 5 which are sequentially fixed at the top end of a transverse straight section of the mounting frame 1 from left to right, and a bulb 3 which is inversely arranged at the top of the support block 2, wherein a protection mechanism 4 for protecting the bulb 3 is fixed at the top end of the transverse straight section of the mounting frame 1, the bulb 3 comprises a lamp shell 31, a permanent magnet 32 fixed at the top end of the lamp shell 31, a bulb 33 which is positioned in an inner cavity of the lamp shell 31 and connected with the permanent magnet 32, and a receiving coil 34 wound on the side wall of the bulb 33, the protection mechanism 4 comprises a protection tube 43 which is vertically arranged above the transverse straight section of the mounting frame 1 and used for completely surrounding the bulb 3, a transmitting coil 44 is wound on the inner wall of the protection tube 43, the top end of a vertical section of the mounting frame 1 is connected with a magnetic suspension base 7 through an adjusting mechanism 6, the mounting position of the magnetic suspension base 7 is vertically opposite to the mounting position of the mounting frame 3, the adjusting mechanism 6 comprises a stud 61 which is vertically fixed at the top end of the stud 61, a transverse straight section of the stud which is movably sleeved on the outer surface of the stud 61, a transverse plate 62 which is horizontally aligned with the stud 62, a transverse straight section of.

It should be noted that, the power supply 5 is a variable frequency power supply or a UPS power supply, and the power supply 5 can provide stable electric energy for the interesting teaching aid; the mounting rack 1 can provide mounting positions for facilities of the interesting teaching aid for demonstrating the principle of the magnetic suspension electric lamp, and provides a supporting frame.

Referring to fig. 1, 6 and 7, the protection mechanism 4 further includes a support plate 41 transversely fixed on the right side of the vertical section of the mounting frame 1, and a vertical plate 42 vertically fixed on the right side of the bottom end of the support plate 41; the top of the support plate 41 is provided with a through positioning hole 411, and the positioning hole 411 is used for the protective tube 43 to vertically pass through; a through guide hole 412 is formed in the left side of the top end of the support plate 41, and the bottom of the vertical plate 42 is tightly attached to the top of the horizontal straight section of the mounting frame 1; the top surface of the outer pipe wall of the protective pipe 43 is symmetrically fixed with connecting blocks 45, and the connecting blocks 45 are fixedly connected to the support plate 41 through screws; it should be noted that, through the cooperation of connecting block 45 and screw, can firmly install protective tube 43 in locating hole 411 to effectively protect bulb 3 through protective tube 43, prolong bulb 3's life.

Referring to fig. 1-5, the adjusting mechanism 6 further includes an elastic member 64 located at the bottom of the cross plate 62 and sleeved on the outer surface of the stud 61, and a guide post 65 located at the right side of the stud 61 and vertically fixed at the bottom of the cross plate 62, wherein the top of the elastic member 64 is fixed at the bottom of the cross plate 62; the elastic member 64 includes a spring; wherein, the setting of elastic component 64 can rely on the elasticity of elastic component 64 self, reduces diaphragm 62 and causes contact wear to the vertical section top of mounting bracket 1 to the life of extension diaphragm 62 and mounting bracket 1.

Please refer to fig. 6, the bottom end of the guiding post 65 vertically extends out of the hole of the guiding hole 412, and the outer surface of the guiding post 65 is provided with a wear-resistant layer, wherein the arrangement of the guiding post 65 and the guiding hole 412 can further increase the overall stability of the transverse plate 62 when the mounting frame 1 moves up and down, thereby being beneficial to the long-term use of the transverse plate 62, wherein the wear-resistant layer can enhance the wear-resistant performance of the guiding post 65 itself and prolong the service life of the guiding post 65.

Referring to fig. 4 and 5, a through hole 621 for the stud 61 to vertically pass through is formed through the left side of the top end of the horizontal plate 62; the top end of the fastening block 63 is provided with a through screw hole 631; it should be noted that, by using the spiral driving force generated by clockwise rotation of the fastening block 63 on the stud 61, the transverse plate 62 is quickly and stably pressed into the top of the vertical section of the mounting frame 1, and the magnetic suspension base 7 can be moved towards the bottom of the bulb 3; when the fastening block 63 is rotated counterclockwise, the horizontal plate 62 will move upward slowly, and the magnetic suspension base 7 is continuously away from the lamp bulb 3, so as to adjust the height of the magnetic suspension base 7.

The working principle to be explained is as follows: when the teaching aid is used for demonstration, firstly, the interesting teaching aid is placed on a table top or the ground, the magnetic suspension base 7 is electrified, so that the coil assembly 72 is electrified, a magnetic field is formed between the coil assembly 72 and the iron core 71, and a suction force is generated between the permanent magnet 32 of the bulb 3, when the generated suction force exceeds the gravity, the bulb 3 can move from bottom to top along the protective tube 43, the bulb 3 is kept still when the suction force is the same as the gravity, and the bulb 3 is suspended below the magnetic suspension base 7; the principle of bulb suspension does, and the electric current of coil after coil assembly 72 circular telegram produces the magnetic field, and bulb 3 can separate with tray 2 phase separation, and bulb 3 suspension after the separation is in the air, and transmitting coil 44 turns into magnetism with electricity this moment, and receiving coil 34 inside bulb 3 changes magnetism into electricity to for the power supply of lamp pearl 33 makes lamp pearl 33 luminous, when power 5 provides the electric energy for magnetic suspension base 7, the observer can directly perceivedly see that bulb 3 is luminous under the suspension state.

The utility model discloses a protection machanism 4, can carry out dustproof and waterproof processing to bulb 3, reduce the erosion that external dust moisture caused bulb 3, rely on protective tube 43's cooperation, can be when demonstration bulb 3 magnetic suspension is aerial, limit bulb 3's suspension direction, let bulb 3 can steady rebound realize steady suspension, prevent bulb 3 from taking place the condition that the skew rocked when the suspension, so as to avoid bulb 3 to receive and rock and produce wearing and tearing, the life of bulb 3 has been prolonged, and then the life of this taste teaching aid has been prolonged, simultaneously through adjustment mechanism 6, can be at the in-process of demonstration, change the distance between magnetic suspension base 7 and the bulb 3 rapidly, with this more swift demonstration of carrying out the magnetic suspension electric light principle, the intensity of the light that convenient audio-visual observation bulb 3 sent out under the suspended state, be favorable to this magnetic suspension electric light principle demonstration to use with pushing away of taste teaching aid.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The electromagnetic induction and magnetic suspension demonstration teaching aid comprises an L-shaped mounting frame (1), a support block (2) and a power supply (5) which are sequentially fixed to the top end of a transverse straight section of the mounting frame (1) from left to right, and a bulb (3) which is inversely arranged on the top of the support block (2), and is characterized in that a protection mechanism (4) for protecting the bulb (3) is fixed to the top end of the transverse straight section of the mounting frame (1), the bulb (3) comprises a lamp shell (31), a permanent magnet (32) fixed to the top end of the lamp shell (31), a bulb (33) which is located in an inner cavity of the lamp shell (31) and connected with the permanent magnet (32), and a receiving coil (34) wound on the side wall of the bulb (33), the protection mechanism (4) comprises a protection tube (43) which is vertically arranged above the transverse straight section of the mounting frame (1) and is used for completely surrounding the protection of the bulb (3), a transmitting coil (44) is wound on the inner tube wall of the protection tube (43), the top end of the vertical section of the mounting frame (1) is connected with a magnetic suspension base (7) through an adjusting mechanism (6), the adjusting mechanism (7), the position of the magnetic suspension base is connected with the transverse iron core (62), the magnetic suspension coil (71) and the magnetic suspension coil (71) is vertically arranged above the transverse iron core (61), the magnetic suspension iron core (60), the magnetic suspension coil is connected with the magnetic suspension coil, the magnetic suspension coil (7) and the magnetic suspension coil (71) and the.
2. 2. The electromagnetic induction and magnetic suspension demonstration teaching aid as claimed in claim 1, wherein the protection mechanism (4) further comprises a support plate (41) transversely fixed on the right side of the vertical section of the mounting frame (1) and a vertical plate (42) vertically fixed on the right side of the bottom end of the support plate (41), a through positioning hole (411) is formed in the top of the support plate (41), the positioning hole (411) is used for a protection tube (43) to vertically penetrate through, a through guide hole (412) is formed in the left side of the top end of the support plate (41), the bottom of the vertical plate (42) is tightly attached to the top of the horizontal section of the mounting frame (1), connecting blocks (45) are symmetrically fixed on the top surface of the outer tube wall of the protection tube (43), and the connecting blocks (45) are fixedly connected to the support plate (.
3. 3. The electromagnetic induction and magnetic suspension demonstration teaching aid as claimed in claim 1, wherein the adjusting mechanism (6) further comprises an elastic member (64) located at the bottom of the cross plate (62) and sleeved on the outer surface of the stud (61), and a guide post (65) located at the right side of the stud (61) and vertically fixed at the bottom of the cross plate (62), the top of the elastic member (64) is fixed at the bottom of the cross plate (62), and the elastic member (64) comprises a spring.
4. 4. The electromagnetic induction and magnetic suspension demonstration teaching aid of claim 3, wherein the bottom end of the guide post (65) vertically extends out of the lower part of the guide hole (412), and the outer surface of the guide post (65) is provided with a wear-resistant layer.
5. 5. The electromagnetic induction and magnetic suspension demonstration teaching aid of claim 1, wherein a through hole (621) for the stud (61) to vertically pass through is formed through the left side of the top end of the transverse plate (62), and a through screw hole (631) is formed at the top end of the fastening block (63).

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