CN213716286U - Power supply device for education demonstration and manual production - Google Patents
Power supply device for education demonstration and manual production Download PDFInfo
- Publication number
- CN213716286U CN213716286U CN202022774189.3U CN202022774189U CN213716286U CN 213716286 U CN213716286 U CN 213716286U CN 202022774189 U CN202022774189 U CN 202022774189U CN 213716286 U CN213716286 U CN 213716286U
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- board
- magnetic field
- power supply
- carousel
- bar magnet
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Abstract
The utility model discloses a power supply device for education demonstration and manual production, which comprises a display board, the front side of the display board is sequentially provided with a first bar-shaped magnet and a second bar-shaped magnet in parallel and vertically, a first electromagnetic coil is arranged above the magnetic field shielding plate, a second electromagnetic coil is arranged below the magnetic field shielding plate, the middle part of the magnetic field shielding plate is penetrated and is rotatably connected with a rotating rod, the upper part of the rotating rod is provided with a copper ring, the lower part of the rotating rod is provided with a commutator, the left sides of the commutator and the copper ring are electrically connected with an electric brush, a one-way diode, a current meter and a lamp bead in sequence, a first rotary table is arranged at the lower end of the rotary rod, a second rotary table is arranged at the right side of the first rotary table, a transmission belt is connected between the first rotary table and the second rotary table, the right side of the display board is provided with a writing board, and the lower sides of the display board and the writing board are provided with supporting frames; the utility model has the advantages of simple structure, safety, practicality, quick adjustment, convenient operation and good demonstration effect.
Description
Technical Field
The utility model belongs to the technical field of the physical teaching demonstration equipment, in particular to a power supply unit for education demonstration and manual preparation.
Background
Physics is the science of the most general law of research material motion and material basic structure, as the leading subject of natural science, physics studies to the universe, as little as the most basic motion form and the law of all materials such as basic particle, consequently become the research basis of other scientific subjects, especially in power supply unit's learning process, traditional teaching mode is directly through hand generator, make the ampere meter pointer produce the swing, and then demonstrate the power supply principle, but this kind of demonstration mode is single, can only carry out the education demonstration to one kind in direct current or alternating current alone, thereby make student's intuitional sensation not strong, can not experience the difference of direct current and alternating current deeply, and can not experience the constantly changing of alternating current, lead to power supply unit's demonstration effect unsatisfactory.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power supply unit for education demonstration and manual preparation has simple structure, safe practical, adjusts advantage fast, convenient operation, that the demonstration is effectual.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power supply unit for education presentation and manual preparation, includes the show board, show board front side is parallel in proper order and vertical first bar magnet and the second bar magnet of being provided with, the magnetic pole opposite direction of first bar magnet and second bar magnet, show board front side middle part is fixed with magnetic field shield plate, the middle part of first bar magnet and second bar magnet all runs through magnetic field shield plate, magnetic field shield plate top is provided with first solenoid, magnetic field shield plate below is provided with second solenoid, magnetic field shield plate middle part runs through and rotates and is connected with the dwang, the equal fixed connection in axis department of first solenoid and second solenoid the dwang all is provided with the runing before and after the dwang, dwang upper portion is provided with the copper ring, the dwang lower part is provided with the commutator, the left side of commutator and copper ring all has electric brush in proper order to connect with, One-way diode, ampere meter and lamp pearl, the dwang lower extreme is provided with first carousel, and first carousel right side is provided with the second carousel, be connected with the drive belt between first carousel and the second carousel, the show board right side is provided with the board, show board and board downside all are provided with the support frame, the support frame lower extreme is provided with the antiskid ribbed tile.
Preferably, the first electromagnetic coil and the second electromagnetic coil are both disposed between the first bar magnet and the second bar magnet.
Preferably, the support frame is an electric lifting rod.
Preferably, a turntable support is arranged on the upper side of the second turntable, and the rear end of the turntable support is fixedly connected with the display board.
Preferably, the ammeter and the lamp bead are both fixedly mounted on the front side of the display board.
Preferably, the diameter of the second turntable is larger than that of the first turntable, and a crank is vertically fixed on the front side of the second turntable.
Preferably, the rear sides of the first bar magnet and the second bar magnet are respectively provided with a support, and the supports are fixedly connected with the display board.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a set up support frame and show board, can be with power supply unit at the in-process of demonstration, can demonstrate it, thereby be convenient for student's observation, and through showing the vertical setting of board, can let the student clear audio-visual production and the change of knowing power supply unit's electric current more, first bar magnet and second bar magnet simultaneously, shield magnetic field through magnetic field shield plate, form two magnetic field rings, and magnetic field shield plate can be with the influence each other in low two magnetic fields, when the dwang is rotatory, the magnetic field of magnetic field shield plate upside produces alternating current, the magnetic field of magnetic field shield plate below produces direct current, thereby be convenient for the student simultaneously observe alternating current and direct current's change, very big improvement power supply unit's demonstration effect, simultaneously the utility model discloses simple structure, convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic bottom view of the first and second rotating discs of the present invention.
In the figure: 1. the display board comprises a display board, 2, a first bar magnet, 3, a second bar magnet, 4, a magnetic field shielding board, 5, a first electromagnetic coil, 6, a second electromagnetic coil, 7, a rotating rod, 8, a rotating support, 9, a copper ring, 10, a commutator, 11, an electric brush, 12, a one-way diode, 13, an ammeter, 14, a lamp bead, 15, a first rotating disk, 16, a second rotating disk, 17, a driving belt, 18, a crank, 19, a supporting frame, 20, an anti-skid plate, 21 and a writing board.
Detailed Description
The technical solutions 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 the present invention, not all embodiments. 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, the embodiment provides a power supply device for educational demonstration and manual manufacturing, which includes a display board 1, a first bar magnet 2 and a second bar magnet 3 are sequentially and vertically arranged on the front side of the display board 1 in parallel, the magnetic poles of the first bar magnet 2 and the second bar magnet 3 are opposite in direction, a magnetic field shielding board 4 is fixed on the middle portion of the front side of the display board 1, the middle portions of the first bar magnet 2 and the second bar magnet 3 penetrate through the magnetic field shielding board 4, a first electromagnetic coil 5 is arranged above the magnetic field shielding board 4, a second electromagnetic coil 6 is arranged below the magnetic field shielding board 4, a rotating rod 7 is connected in the middle portion of the magnetic field shielding board 4 in a penetrating and rotating manner, the central axes of the first electromagnetic coil 5 and the second electromagnetic coil 6 are fixedly connected to the rotating rod 7, and rotating brackets 8 are arranged on the front and back of the rotating rod, dwang 7 upper portion is provided with copper ring 9, dwang 7 lower part is provided with commutator 10, commutator 10 and copper ring 9's the left side all has brush 11, one-way diode 12, ampere meter 13 and lamp pearl 14 in proper order electrically connected, dwang 7 lower extreme is provided with first carousel 15, and first carousel 15 right side is provided with second carousel 16, be connected with drive belt 17 between first carousel 15 and the second carousel 16, 1 right side of show board is provided with board 21, show board 1 and board 21 downside all are provided with support frame 19, support frame 19 lower extreme is provided with antiskid ribbed tile 20.
In order to realize that the first and second electromagnetic coils 5 and 6 can cut the magnetic induction lines when rotating, in the present embodiment, the first and second electromagnetic coils 5 and 6 are each disposed between the first and second bar magnets 2 and 3.
In order to adjust the height of the display board, so that the display effect is better, in this embodiment, the supporting frame 19 is an electric lifting rod.
In order to support the rotation of the second rotating disc 16, in this embodiment, a rotating disc support is disposed on the upper side of the second rotating disc 16, and the rear end of the rotating disc support is fixedly connected to the display board 1.
In order to be able to install ammeter 13 and lamp pearl 14 fixedly to be convenient for the student to watch, in this embodiment, ammeter 13 and lamp pearl 14 are all fixed mounting to show board 1 front side.
In order to facilitate the rotation of the rotating rod 7 to be more effective and further to make the generation of the current more stable, in this embodiment, the diameter of the second rotating disk 16 is larger than that of the first rotating disk 15, and a crank 18 is vertically fixed on the front side of the second rotating disk 16.
In order to support fixedly for can 2 and second bar magnet 3 to be convenient for the student to observe, in this embodiment, the equal support in rear side of 2 and the second bar magnet 3 of first bar magnet, support and show board 1 fixed connection.
The utility model discloses a theory of operation: during demonstration, the crank 18 is manually shaken, at the moment, the crank 18 drives the second turntable 16 to rotate, the second turntable 16 drives the first turntable 15 to rotate through the transmission belt 17, the first turntable 15 drives the rotating rod 7 to rotate, the rotating rod 7 simultaneously drives the first electromagnetic coil 5 and the second electromagnetic coil 6 to rotate, the magnetic field shielding plate 4 divides the first bar-shaped magnet 2 and the second bar-shaped magnet 3 into two magnetic field regions, therefore, the first electromagnetic coil 5 and the second electromagnetic coil 6 respectively cut the magnetic induction lines in the magnetic field regions, so as to obtain two induction currents, the induction current obtained by the first electromagnetic coil 5 forms alternating current after passing through the copper ring 9 and the electric brush 11, the induction current obtained by the second electromagnetic coil 6 forms direct current after passing through the commutator 10 and the electric brush 11, and when the alternating current passes through the unidirectional diode 12, the alternating current sequentially passes through the ammeter 13 and the lamp bead 14, and simultaneously generates, thereby be convenient for the student more audio-visual understanding direct current and the difference and the change of exchanging, and this kind of simple structure, operation mode convenient and fast can support show board 1 through support frame 19 and anti-skidding 20 boards simultaneously for student's observation is more clear the branch pipe, and the demonstration effect is better, and simultaneously through board 21, the teacher's blackboard writing of being convenient for makes the teacher explain more convenient.
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 (7)
1. A power supply unit for educational demonstration and hands-on preparation, includes the show board, its characterized in that: show board front side is parallel in proper order and vertical first bar magnet and the second bar magnet of being provided with, the magnetic pole opposite direction of first bar magnet and second bar magnet, show board front side middle part is fixed with magnetic field shield board, the middle part of first bar magnet and second bar magnet all runs through magnetic field shield board, magnetic field shield board top is provided with first solenoid, magnetic field shield board below is provided with second solenoid, magnetic field shield board middle part runs through and rotates and is connected with the dwang, the equal fixed connection of axis department of first solenoid and second solenoid the dwang all is provided with runing rest around, dwang upper portion is provided with the copper ring, the dwang lower part is provided with the commutator, the left side of commutator and copper ring all electric connection in proper order has brush, one-way diode, Ammeter and lamp pearl, the dwang lower extreme is provided with first carousel, and first carousel right side is provided with the second carousel, be connected with the drive belt between first carousel and the second carousel, the show board right side is provided with the board, show board and board downside all are provided with the support frame, the support frame lower extreme is provided with the antiskid ribbed tile.
2. The power supply apparatus for educational demonstration and handcrafting according to claim 1, wherein: the first electromagnetic coil and the second electromagnetic coil are both arranged between the first bar-shaped magnet and the second bar-shaped magnet.
3. The power supply apparatus for educational demonstration and handcrafting according to claim 1, wherein: the support frame is an electric lifting rod.
4. The power supply apparatus for educational demonstration and handcrafting according to claim 1, wherein: the second carousel upside is provided with the carousel support, carousel support rear end and show board fixed connection.
5. The power supply apparatus for educational demonstration and handcrafting according to claim 1, wherein: current meter and lamp pearl are all fixed mounting to show board front side.
6. The power supply apparatus for educational demonstration and handcrafting according to claim 1, wherein: the diameter of the second turntable is larger than that of the first turntable, and a crank is vertically fixed on the front side of the second turntable.
7. The power supply apparatus for educational demonstration and handcrafting according to claim 1, wherein: the rear sides of the first bar magnet and the second bar magnet are both provided with a support, and the supports are fixedly connected with the display board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022774189.3U CN213716286U (en) | 2020-11-26 | 2020-11-26 | Power supply device for education demonstration and manual production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022774189.3U CN213716286U (en) | 2020-11-26 | 2020-11-26 | Power supply device for education demonstration and manual production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213716286U true CN213716286U (en) | 2021-07-16 |
Family
ID=76784882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022774189.3U Expired - Fee Related CN213716286U (en) | 2020-11-26 | 2020-11-26 | Power supply device for education demonstration and manual production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213716286U (en) |
-
2020
- 2020-11-26 CN CN202022774189.3U patent/CN213716286U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 Termination date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |