CN209265798U - A kind of electromagnetism teaching demonstration device - Google Patents
A kind of electromagnetism teaching demonstration device Download PDFInfo
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- CN209265798U CN209265798U CN201821674715.5U CN201821674715U CN209265798U CN 209265798 U CN209265798 U CN 209265798U CN 201821674715 U CN201821674715 U CN 201821674715U CN 209265798 U CN209265798 U CN 209265798U
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- fixedly connected
- support plate
- electromagnetism
- power supply
- demonstration device
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Abstract
The utility model provides a kind of electromagnetism teaching demonstration device, is related to teaching equipment field.The electromagnetism teaching demonstration device, including demonstrating frame, the demonstration frame includes the first support plate, switch, power supply, current voltmeter, route, two support rods, electromagnetic coil, electromagnetic core, sliding slot, sliding block, iron block, telescopic rod, spring, indicator, graduated scale and the second support plate, the right end of first support plate and the second support plate is fixedly connected with the top and bottom on the left of demonstration frame respectively, the top of first support plate is fixedly connected with the bottom of switch, and the top of second support plate is fixedly connected with the bottom of power supply.The electromagnetism teaching demonstration device, by being provided with switch, power supply, current voltmeter, route, support rod, electromagnetic coil, electromagnetic core, sliding slot, sliding block and iron block, the electromagnetism size for enabling student intuitively to see that electric current generates, the impression that can deepen student improves the learning efficiency of student.
Description
Technical field
The utility model relates to teaching equipment technical field, specially a kind of electromagnetism teaching demonstration device.
Background technique
At present in electromagnetics teaching, theorem, concept indigestion for some electromagnetism need to use using some teaching
Tool auxiliary student understands that the teaching of some of teaching aids causes learning effect poor the impressionable of student.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of electromagnetism teaching demonstration that can deepen student's impression
Device.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of electromagnetism teaching demonstration dress
Set, including demonstration frame, the demonstration frame including the first support plate, switch, power supply, current voltmeter, route, two support rods,
Electromagnetic coil, electromagnetic core, sliding slot, sliding block, iron block, telescopic rod, spring, indicator, graduated scale and the second support plate, described
The right end of one support plate and the second support plate is fixedly connected with the top and bottom on the left of demonstration frame respectively, first support plate
Top be fixedly connected with the bottom of switch, the top of second support plate is fixedly connected with the bottom of power supply, the electric current
It is fixedly connected at the top of the top of voltmeter and demonstration frame inner wall, bottom of the bottom of two support rods with demonstration frame inner wall
Portion is fixedly connected, and the top of two support rods is fixedly connected at left and right sides of electromagnetic core bottom respectively, the electromagnetism
The side surface of iron core and the inner surface of electromagnetic coil are socketed, and the sliding slot is provided with the right side of demonstration frame inner wall bottom, described to stretch
It is fixedly connected on the right side of the right end of contracting bar and demonstration frame inner wall, the side surface of the telescopic rod and the inner surface of spring are socketed, institute
It states and is fixedly connected on the right side of the left end and iron block of telescopic rod, is fixedly connected at the top of the bottom of the iron block and sliding block, the iron
The top of block is fixedly connected with the bottom end of indicator, is fixedly connected on the right side of the right end and demonstration frame inner wall of the graduated scale.
The power supply includes power pack, five battery cases, two groups of transmission lines, positive cartridge and negative electrode head, the positive cartridge
Right side is fixedly connected with the center on the left of power pack, and the left side of the negative electrode head is fixedly connected with the center on the right side of power pack, and five
A battery case is provided with the inside of power pack.
Preferably, switch, power supply, current voltmeter and electromagnetic coil are together in series by the route.
Preferably, five battery cases are inline from top to bottom, and the front of the power pack is hinged with power pack
Door.
Preferably, transmission line described in two groups is respectively by the left and right sides of battery case and the right side of positive cartridge and a left side for negative electrode head
Side series connection.
Preferably, the bottom of the sliding block and the inner wall of sliding slot are slidably connected.
Preferably, the current voltmeter is located at the surface of electromagnetic core, and first support plate is located at the second support
The underface of plate.
Preferably, the top of the indicator and the front of graduated scale overlap, and on the top direction graduated scale of indicator
Scale.
The utility model provides a kind of electromagnetism teaching demonstration device, and what is had has the beneficial effect that:
1, electromagnetism teaching demonstration device, by being provided with switch, power supply, current voltmeter, route, support rod, electromagnetism
Coil, electromagnetic core, sliding slot, sliding block and iron block will close the switch, be transmitted to electric current in electromagnetic coil by route, electromagnetism
Coil and electromagnetic core cooperation generate magnetic force, iron block are attracted to the direction of electromagnetic core, drive while iron block is moved to the left
Indicator is moved to the left, as the movement of indicator can recorde the distance that iron block is moved, make according to the numerical value of graduated scale
Student can intuitively see the electromagnetism size that electric current generates, and can deepen the impression of student, improve the learning efficiency of student.
2, electromagnetism teaching demonstration device, by being provided with power pack, battery case, transmission line, positive cartridge and negative electrode head, root
According to needing the battery by different number to be put into the battery case of power pack, then start switch, the difference of number of batteries, thus
Reaching is changed the size of magnetic force, deepens memory of the student to converting between electric power and magnetic force, improves learning efficiency.
Detailed description of the invention
Fig. 1 is the utility model structure front section view；
Fig. 2 is the utility model structure power supply front section view；
Fig. 3 is the utility model structure power supply front view；
Fig. 4 is the utility model structure front view.
In figure: 1 demonstration frame, 11 first support plates, 12 switches, 13 power supplys, 131 power packs, 132 battery cases, 133 transmission
Line, 134 positive cartridges, 135 negative electrode heads, 14 current voltmeters, 15 routes, 16 support rods, 17 electromagnetic coils, 18 electromagnetic cores, 19
Sliding slot, 101 sliding blocks, 102 iron blocks, 103 telescopic rods, 104 springs, 105 indicators, 106 graduated scales, 107 second support plates.
Specific embodiment
The utility model embodiment provides a kind of electromagnetism teaching demonstration device, as shown in Figs 1-4, including demonstration frame 1, demonstration
Frame 1 includes the first support plate 11, switch 12, power supply 13, current voltmeter 14, route 15, two support rods 16, electromagnetic coil
17, electromagnetic core 18, sliding slot 19, sliding block 101, iron block 102, telescopic rod 103, spring 104, indicator 105,106 and of graduated scale
The right end of second support plate 107, the first support plate 11 and the second support plate 107 top and bottom with demonstration frame 1 left side respectively
It is fixedly connected, the top of the first support plate 11 is fixedly connected with the bottom of switch 12, the top of the second support plate 107 and power supply 13
Bottom be fixedly connected, the first support plate 11 is located at the underface of the second support plate 107, the top of current voltmeter 14 and demonstration
It is fixedly connected at the top of 1 inner wall of frame, the bottom of two support rods 16 is fixedly connected with the bottom of demonstration 1 inner wall of frame, two branch
The top of strut 16 is fixedly connected at left and right sides of 18 bottom of electromagnetic core respectively, and current voltmeter 14 is located at electromagnetic core 18
Surface, the inner surface of the side surface of electromagnetic core 18 and electromagnetic coil 17 is socketed, and route 15 will switch 12, power supply 13, electric
Ampere-voltage meter 14 and electromagnetic coil 17 are together in series, and sliding slot 19 is provided with the right side of demonstration 1 inner wall bottom of frame, telescopic rod 103
It is fixedly connected on the right side of right end and demonstration 1 inner wall of frame, the side surface of telescopic rod 103 and the inner surface of spring 104 are socketed, telescopic rod
103 left end is fixedly connected with the right side of iron block 102, and the bottom of iron block 102 is fixedly connected with the top of sliding block 101, sliding block 101
Bottom and the inner wall of sliding slot 19 be slidably connected, the top of iron block 102 is fixedly connected with the bottom end of indicator 105, graduated scale 106
Right end and demonstration 1 inner wall of frame on the right side of be fixedly connected, the front of the top of indicator 105 and graduated scale 106 overlaps, and indicates
Scale on the top direction graduated scale 106 of needle 105.
Power supply 13 includes 132, two groups of the battery case of power pack 131, five transmission line 133, positive cartridge 134 and negative electrode head 135,
The right side of positive cartridge 134 is fixedly connected with the center in 131 left side of power pack, 131 right side of left side and power pack of negative electrode head 135
Center is fixedly connected, and five battery cases 132 are provided with the inside of power pack 131, and five battery cases 132 are in a word under upper
Arrangement, the front of power pack 131 are hinged with power supply box door, two groups of transmission lines 133 respectively by the left and right sides of battery case 132 with just
The right side of cartridge 134 and the left side series connection of negative electrode head 135, the electromagnetism teaching demonstration device, by being provided with switch 12, power supply
13, current voltmeter 14, route 15, support rod 16, electromagnetic coil 17, electromagnetic core 18, sliding slot 19, sliding block 101 and iron block
102, it will close the switch, be transmitted to electric current in electromagnetic coil 17 by route 15, electromagnetic coil 17 and electromagnetic core 18 cooperate
Generate magnetic force, by iron block 102 to the direction of electromagnetic core 18 attract, while iron block 102 is moved to the left drive indicator 105 to
It moves left, as the movement of indicator 105 can recorde the distance that iron block 102 is moved, make according to the numerical value of graduated scale 106
Student can intuitively see the electromagnetism size that electric current generates, and can deepen the impression of student, improve the learning efficiency of student, should
Electromagnetism teaching demonstration device, by being provided with power pack 131, battery case 132, transmission line 133, positive cartridge 134 and negative electrode head
135, the battery of different number is put into the battery case 132 of power pack 131 as needed, then starts switch 12, battery
The difference of quantity is deepened memory of the student to converting between electric power and magnetic force, is mentioned so that reaching is changed the size of magnetic force
High learning efficiency.
The electromagnetism teaching demonstration device is put into compatible battery in the battery case 132 of power pack 131, then shuts
Power supply box door will close the switch, and be transmitted to electric current in electromagnetic coil 17 by route 15, electromagnetic coil 17 and electromagnetic core 18
Cooperation generates magnetic force, iron block 102 is attracted to the direction of electromagnetic core 18, iron block 102 drives indicator while being moved to the left
105 are moved to the left, with the movement of indicator 105, according to the numerical value of graduated scale 106, can recorde that iron block 102 moved away from
From.
The electromagnetism teaching demonstration device, by being provided with switch 12, power supply 13, current voltmeter 14, route 15, support rod
16, electromagnetic coil 17, electromagnetic core 18, sliding slot 19, sliding block 101 and iron block 102, will close the switch, and electric current is made to pass through route 15
It is transmitted in electromagnetic coil 17, electromagnetic coil 17 and the cooperation of electromagnetic core 18 generate magnetic force, by iron block 102 to electromagnetic core 18
Direction attracts, and drives indicator 105 to be moved to the left while iron block 102 is moved to the left, with the movement of indicator 105, according to
The numerical value of graduated scale 106 can recorde the distance that iron block 102 is moved, the electricity for enabling student intuitively to see that electric current generates
Magnetic size can deepen the impression of student, improve the learning efficiency of student.
Secondly, the electromagnetism teaching demonstration device, by being provided with power pack 131, battery case 132, transmission line 133, anode
First 134 and negative electrode head 135, the battery of different number is put into the battery case 132 of power pack 131 as needed, is then opened
Dynamic switch 12, the difference of number of batteries deepen student between electric power and magnetic force so that reaching is changed the size of magnetic force
The memory of conversion, improves learning efficiency.
Claims (7)
1. a kind of electromagnetism teaching demonstration device, including demonstration frame (1), it is characterised in that: the demonstration frame (1) includes the first support
Plate (11), switch (12), power supply (13), current voltmeter (14), route (15), two support rods (16), electromagnetic coil (17),
Electromagnetic core (18), sliding slot (19), sliding block (101), iron block (102), telescopic rod (103), spring (104), indicator (105),
The right end of graduated scale (106) and the second support plate (107), first support plate (11) and the second support plate (107) respectively with
Top and bottom on the left of demonstration frame (1) are fixedly connected, and the top of first support plate (11) and the bottom of switch (12) are solid
Fixed connection, the top of second support plate (107) are fixedly connected with the bottom of power supply (13), the current voltmeter (14)
Be fixedly connected at the top of top and demonstration frame (1) inner wall, the bottom of two support rods (16) with demonstration frame (1) inner wall
Bottom is fixedly connected, and the top of two support rods (16) is fixed with the left and right sides of electromagnetic core (18) bottom respectively to be connected
It connects, the side surface of the electromagnetic core (18) and the inner surface of electromagnetic coil (17) are socketed, and the sliding slot (19) is provided with demonstration
It is fixedly connected on the right side of the right side of frame (1) inner wall bottom, the right end of the telescopic rod (103) and demonstration frame (1) inner wall, it is described to stretch
The side surface of contracting bar (103) and the inner surface of spring (104) are socketed, the left end of the telescopic rod (103) and the right side of iron block (102)
Side is fixedly connected, and is fixedly connected at the top of the bottom and sliding block (101) of the iron block (102), the top of the iron block (102) with
The bottom end of indicator (105) is fixedly connected, and is fixedly connected on the right side of the right end and demonstration frame (1) inner wall of the graduated scale (106)；
The power supply (13) include power pack (131), five battery cases (132), two groups of transmission lines (133), positive cartridge (134) and
The right side of negative electrode head (135), the positive cartridge (134) is fixedly connected with the center on the left of power pack (131), the negative electrode head
(135) left side is fixedly connected with the center on the right side of power pack (131), and five battery cases (132) are provided with power pack
(131) inside.
2. a kind of electromagnetism teaching demonstration device according to claim 1, it is characterised in that: the route (15) will switch
(12), power supply (13), current voltmeter (14) and electromagnetic coil (17) are together in series.
3. a kind of electromagnetism teaching demonstration device according to claim 1, it is characterised in that: five battery cases (132)
Inline from top to bottom, the front of the power pack (131) is hinged with power supply box door.
4. a kind of electromagnetism teaching demonstration device according to claim 1, it is characterised in that: transmission line described in two groups (133)
The left and right sides of battery case (132) is connected with the left side on the right side of positive cartridge (134) and negative electrode head (135) respectively.
5. a kind of electromagnetism teaching demonstration device according to claim 1, it is characterised in that: the bottom of the sliding block (101)
It is slidably connected with the inner wall of sliding slot (19).
6. a kind of electromagnetism teaching demonstration device according to claim 1, it is characterised in that: current voltmeter (14) position
In the surface of electromagnetic core (18), first support plate (11) is located at the underface of the second support plate (107).
7. a kind of electromagnetism teaching demonstration device according to claim 1, it is characterised in that: the top of the indicator (105)
The front of portion and graduated scale (106) overlaps, and the scale on the top direction graduated scale (106) of indicator (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674715.5U CN209265798U (en) | 2018-10-16 | 2018-10-16 | A kind of electromagnetism teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674715.5U CN209265798U (en) | 2018-10-16 | 2018-10-16 | A kind of electromagnetism teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209265798U true CN209265798U (en) | 2019-08-16 |
Family
ID=67558382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821674715.5U Expired - Fee Related CN209265798U (en) | 2018-10-16 | 2018-10-16 | A kind of electromagnetism teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209265798U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799866A (en) * | 2020-07-19 | 2020-10-20 | 宇能电气有限公司 | Charging equipment capable of identifying state of lithium battery in real time and state identification method |
| CN113176436A (en) * | 2021-04-25 | 2021-07-27 | 浙江松夏仪表有限公司 | Industrial alternating current meter with calibration positioning assembly |
| CN113960347A (en) * | 2021-09-09 | 2022-01-21 | 东风汽车集团股份有限公司 | Static dark current testing device and method |
| CN114002537A (en) * | 2022-01-05 | 2022-02-01 | 山东广域科技有限责任公司 | Power equipment state detection device for transformer substation with diagnosis function |
-
2018
- 2018-10-16 CN CN201821674715.5U patent/CN209265798U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799866A (en) * | 2020-07-19 | 2020-10-20 | 宇能电气有限公司 | Charging equipment capable of identifying state of lithium battery in real time and state identification method |
| CN113176436A (en) * | 2021-04-25 | 2021-07-27 | 浙江松夏仪表有限公司 | Industrial alternating current meter with calibration positioning assembly |
| CN113960347A (en) * | 2021-09-09 | 2022-01-21 | 东风汽车集团股份有限公司 | Static dark current testing device and method |
| CN114002537A (en) * | 2022-01-05 | 2022-02-01 | 山东广域科技有限责任公司 | Power equipment state detection device for transformer substation with diagnosis function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20201016 |