CN114299800A - Intelligent electrical experiment platform capable of automatically correcting errors - Google Patents
Intelligent electrical experiment platform capable of automatically correcting errors Download PDFInfo
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- CN114299800A CN114299800A CN202111683328.4A CN202111683328A CN114299800A CN 114299800 A CN114299800 A CN 114299800A CN 202111683328 A CN202111683328 A CN 202111683328A CN 114299800 A CN114299800 A CN 114299800A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000012937 correction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000013459 approach Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses an intelligent electrical experiment platform capable of automatically correcting errors, which relates to the technical field of experimental equipment and comprises an outer pipe and an experiment table, wherein an inner pipe is arranged in the outer pipe, the upper ends of the front side and the rear side of the inner wall of the outer pipe are respectively connected with a first magnet plate in a sliding way, one end of the first magnet plate, which is far away from the outer pipe, is connected with the outer wall of the inner pipe in a sliding way, a first through groove is formed in the outer wall of the inner pipe in a penetrating way, one end of the first magnet plate, which is close to the inner pipe, is provided with a second through groove, the opening of the first through groove corresponds to the opening of the second through groove, the lower ends of the front side and the rear side of the inner wall of the outer pipe are respectively connected with a second magnet plate in a sliding way, one end of the second magnet plate, which is far away from the outer pipe, is connected with the outer wall of the inner pipe in a sliding way, piezoresistors are arranged on the lower surface of the second magnet plate, the problems that a teacher is required to supervise are solved, and the teaching difficulty of the teacher is increased, when the teacher supervision is not in place, the equipment can be damaged by starting the equipment after the student is wrongly connected, the teaching effect is not good, and the dangerous technical problem in the aspect of electric power can be caused.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to an intelligent electrical experiment platform capable of automatically correcting errors.
Background
When the school teaches students with physical and electrical knowledge, except the contents in the books, the students need to do electrical related experiments, so that the students can understand the related knowledge better.
However, most of the existing electricity experiment platforms can only be used for student experiment operation, when a student operation error causes a connection error, a student cannot immediately perceive the connection error, and needs to be supervised by a teacher, so that the teaching difficulty of the teacher is increased, when the teacher does not supervise the connection error, equipment can be damaged by starting equipment after the student connection error, the teaching effect is poor, and the danger in the aspect of electric power can be caused.
Disclosure of Invention
The invention aims to provide an intelligent electrical experiment platform capable of automatically correcting errors, and solves the technical problems that the teaching difficulty of a teacher is increased due to the fact that the teacher needs to supervise, equipment is possibly damaged by starting the equipment after a student is wrongly connected when the teacher does not supervise in place, the teaching effect is poor, and danger in the aspect of electric power is caused.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent electrical experiment platform capable of automatically correcting errors comprises an outer pipe and an experiment table, wherein an inner pipe is arranged in the outer pipe, the upper ends of the front side and the rear side of the inner wall of the outer pipe are respectively connected with a first magnet plate in a sliding manner, one end of the first magnet plate, which is far away from the outer pipe, is connected with the outer wall of the inner pipe in a sliding manner, the outer wall of the inner pipe is provided with a first through groove in a penetrating manner, one end of the first magnet plate, which is close to the inner pipe, is provided with a second through groove, the opening of the first through groove corresponds to the opening of the second through groove, the lower ends of the front side and the rear side of the inner wall of the outer pipe are respectively connected with a second magnet plate in a sliding manner, one end of the second magnet plate, which is far away from the outer pipe, is connected with the outer wall of the inner pipe in a sliding manner, a piezoresistor is arranged on the lower surface of the second magnet plate, the upper end of the piezoresistor is attached to the lower surface of the second magnet plate, and is fixedly connected with a power signal wire, the utility model discloses a power signal line, including inner tube, connecting rod, the outer wall lower extreme of fixed connection outer tube is run through to the one end that varistor was kept away from to the power signal line, the inner wall sliding connection of inner tube has the plug, the upper end fixedly connected with connecting rod of plug, the equal fixedly connected with riser in both ends around the connecting rod, the riser runs through the inner wall that sliding connection led to groove one and led to groove two.
Preferably, the inner wall of outer tube and the outer wall of inner tube both ends have all been seted up the spout around, the equal fixedly connected with slider one in both ends around the magnet board one, the inner wall of the one end sliding connection spout of magnet board one is kept away from to slider one.
Preferably, the front end and the rear end of the second magnet plate are fixedly connected with a second sliding block, and one end, far away from the second magnet plate, of the second sliding block is slidably connected with the inner wall of the sliding groove.
Preferably, the right end of the inner wall of the inner tube is provided with a third through groove in a penetrating manner, the right end of the inner wall of the outer tube is provided with a fourth through groove in a penetrating manner, and the four right ends of the through groove in the outer wall of the outer tube are fixedly connected with limiting clamping plates.
Preferably, the right end of the connecting rod is fixedly connected with a limiting sliding plate, and the limiting sliding plate penetrates through the inner walls of the third through groove, the fourth through groove and the limiting clamping plate in sliding connection.
Preferably, the upper end of the connecting rod is fixedly connected with a connecting seat, and the upper end of the connecting seat is fixedly connected with a circuit line.
Preferably, the upper end fixedly connected with equipment platform of laboratory bench, the upper surface of the equal fixed connection equipment platform of lower extreme of outer tube and inner tube, the upper surface of piezo-resistor's lower extreme laminating equipment platform, the upper surface equipment platform front end fixedly connected with of laboratory bench controls the platform, the upper surface right end fixedly connected with display stand of laboratory bench, the left end of right-hand member fixed connection display stand of power signal line.
Compared with the related art, the intelligent electrical experiment platform capable of automatically correcting errors provided by the invention has the following beneficial effects:
the invention provides an intelligent electrical experiment platform capable of automatically correcting errors, which is characterized in that a vertical plate, a magnet plate I and a magnet plate II are arranged, when a student is in wrong connection, the student can feel the existence of resistance along with the approach of the magnet plate I and the magnet plate II, and can timely sense matching errors, meanwhile, along with the approach of the magnet plate I and the magnet plate II, the magnet plate II is subjected to downward force to be increased, so that a piezoresistor is pressed downwards to increase the pressure sensed by the piezoresistor, then the piezoresistor transmits signals into a display table through a power signal wire, the display table gives an alarm, so that errors can be corrected timely, the student can quickly obtain feedback and correct the errors timely, and at the moment, due to the repulsion of the magnet plate II and the magnet plate I, the lower end of a plug is not inserted into an interface in the experiment table, so that equipment faults caused by insertion errors are avoided, manual supervision is not needed, and the problem that a teacher is needed to supervise is solved, make mr's teaching degree of difficulty grow, when mr's supervision is not in place, the equipment is probably harmd to opening equipment behind the student's wiring mistake, and teaching effect is not good and can cause the dangerous technical problem in the aspect of the electric power.
The invention provides an intelligent electrical experiment platform capable of automatically correcting errors, wherein a front group of magnet plate I and a rear group of magnet plate II are arranged and correspond to a front group of vertical plates, a rear group of vertical plates, a through groove I and a through groove II, so that a half-pair condition can exist between completely correct insertion and completely incorrect insertion, different circuit lines can be classified and correspond to accurate models, the rear vertical plate, the through groove I and the through groove II are correspondingly classified, the front vertical plate, the through groove I and the through groove II correspond to models, when students insert, only one type of classification and type is correct, only one magnet plate I can slide downwards, so that a single piezoresistor can sense pressure change and send a signal to a display table to give an alarm, and alarm sound and image display are different, so that the students can know what the error is more conveniently, error correction is more facilitated, and teaching effect is improved.
The invention provides an intelligent electrical experiment platform capable of automatically correcting errors, which can limit the angle of a plug when the plug is inserted into an inner pipe by arranging a fourth through groove, a first limiting clamping plate and a first limiting sliding plate, avoid the situation that a vertical plate can slide through the first magnet plate under the condition of error caused by angle deviation, reduce operation faults, limit the insertion angle of the plug by clamping the first limiting sliding plate by the limiting clamping plate, avoid scraping between the plug and the inner pipe and reduce loss.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a disassembled view of the outer and inner tube structures of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 at C according to the present invention.
In the figure: 1. the outer tube, 2, the inner tube, 3, the spout, 4, magnet board one, 5, slider one, 6, lead to groove one, 7, lead to groove two, 8, magnet board two, 9, slider two, 10, piezo-resistor, 11, power signal line, 12, lead to groove three, 13, lead to groove four, 14, spacing splint, 15, plug, 16, connecting rod, 17, the riser, 18, spacing slide, 19, the connecting seat, 20, the circuit line, 21, the laboratory bench, 22, the equipment platform, 23, control the platform, 24, the display panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, the present invention provides a technical solution, which includes an outer tube 1 and a test bench 21, an inner tube 2 is disposed inside the outer tube 1, the upper ends of the front and rear sides of the inner wall of the outer tube 1 are slidably connected with a first magnet plate 4, the end of the first magnet plate 4 away from the outer tube 1 is slidably connected with the outer wall of the inner tube 2, the outer wall of the inner tube 2 is provided with a first through groove 6 in a penetrating manner, the end of the first magnet plate 4 close to the inner tube 2 is provided with a second through groove 7, the opening of the first through groove 6 corresponds to the opening of the second through groove 7, the lower ends of the front and rear sides of the inner wall of the outer tube 1 are slidably connected with a second magnet plate 8, the end of the second magnet plate 8 away from the outer tube 1 is slidably connected with the outer wall of the inner tube 2, a piezoresistor 10 is disposed on the lower surface of the second magnet plate 8, the upper end of the piezoresistor 10 is attached to the lower surface of the second magnet plate 8, the first magnet plate 4 is located right above the magnet plate 8, the end of the piezoresistor 10 away from the inner tube 2 is fixedly connected with a power signal line 11, one end of the power signal wire 11, which is far away from the piezoresistor 10, penetrates through the lower end of the outer wall of the fixedly connected outer pipe 1, the inner wall of the inner pipe 2 is connected with a plug 15 in a sliding manner, the upper end of the plug 15 is fixedly connected with a connecting rod 16, the front end and the rear end of the connecting rod 16 are both fixedly connected with vertical plates 17, the vertical plates 17 penetrate through the inner walls of a first through groove 6 and a second through groove 7 in a sliding manner, the front end and the rear end of the inner wall of the outer pipe 1 and the front end and the rear end of the outer wall of the inner pipe 2 are both provided with sliding grooves 3, the front end and the rear end of a first magnet plate 4 are both fixedly connected with a first sliding block 5, one end of the first sliding block 5, which is far away from the first magnet plate 4, is slidably connected with the inner wall of the sliding groove 3, the front end and the rear end of a second magnet plate 8 are both fixedly connected with a second sliding block 9, the inner wall of the sliding groove 3 is far away from the one end of the second magnet plate 8, the upper end of the connecting rod 16 is fixedly connected with a connecting seat 19, the upper end of the connecting seat 19 is fixedly connected with a circuit wire 20, and the upper end of the experiment table 21 is fixedly connected with an equipment table 22, the upper surface of the equipment table 22 is fixedly connected to the lower ends of the outer pipe 1 and the inner pipe 2, the lower end of the piezoresistor 10 is attached to the upper surface of the equipment table 22, the front end of the equipment table 22 on the upper surface of the experiment table 21 is fixedly connected with a control table 23, the right end of the upper surface of the experiment table 21 is fixedly connected with a display table 24, and the right end of the power signal line 11 is fixedly connected with the left end of the display table 24.
In this embodiment: when the student is connected incorrectly, the connecting rod 16 slides into the inner wall of the inner tube 2, at the moment, the vertical plate 17 on the connecting rod 16 is not matched with the openings of the first through groove 6 and the second through groove 7 on the current outer tube 1 and the current inner tube 2, so that the vertical plate 17 can be blocked by the first magnet plate 4, the vertical plate 17 can push the first magnet plate 4 to slide downwards along with the student inserting the connecting rod 16 downwards, the repulsive magnetic force is generated between the first magnet plate 4 and the second magnet plate 8 in the initial state, the first magnet plate 4 is stopped above the second magnet plate 8 in the outer tube 1 by the magnetic force, when the first magnet plate 4 slides downwards, the student can feel the existence of resistance along with the approach of the first magnet plate 4 and the second magnet plate 8, the matching error can be sensed timely, meanwhile, along with the approach of the first magnet plate 4 and the second magnet plate 8, the downward force on the second magnet plate 8 is increased, and the pressure-sensitive resistor 10 is pressed downwards, so that the pressure-sensitive resistor 10 is increased, then the piezoresistor 10 transmits signals into the display platform 24 through the power signal wire 11, the display platform 24 gives an alarm, so that timely error correction can be realized, students can quickly obtain feedback and correct errors timely, and at the moment, because the magnet plate II 8 and the magnet plate I4 repel each other, the lower end of the plug 15 is not inserted into an interface in the experiment platform 21, so that equipment failure caused by wrong insertion is avoided, manual supervision is not needed, the technical problems that the teacher is required to supervise the equipment, the teaching difficulty of the teacher is increased, when the teacher does not supervise the equipment in place, the equipment is possibly damaged by starting the equipment after the student is in line connection error, the teaching effect is poor and the danger in the power aspect is caused are solved, through arranging the front and the rear groups of magnet plate I4 and the magnet plate II 8 and corresponding to the front and the rear groups of vertical plates 17, the through groove I6 and the through groove II 7, the condition of half-pair between the completely correct insertion and completely wrong insertion can be kept, can classify and correspond accurate model with different circuit lines 20, rear riser 17, it is categorised to lead to groove one 6 and lead to groove two 7 correspondence, front riser 17, it corresponds the model to lead to groove one 6 and lead to groove two 7, when the student is inserting, it is only single correct with the model, only can make single magnet board 4 gliding, thereby make single piezo-resistor 10 feel pressure variation and to show 24 sending signals of platform and report to the police, and warning sound and image display are different, thereby be convenient for more the student knows what the mistake, be more favorable to the error correction, improve the teaching effect.
Example two:
referring to fig. 1, fig. 2, fig. 4 and fig. 5, on the basis of the first embodiment, the present invention provides a technical solution: the inner wall right-hand member of inner tube 2 runs through and has seted up logical groove three 12, and the inner wall right-hand member of outer tube 1 runs through and has seted up logical groove four 13, and the outer wall of outer tube 1 runs through four 13 right-hand members fixedly connected with spacing splint 14, the spacing slide 18 of right-hand member fixedly connected with of connecting rod 16, and spacing slide 18 runs through the inner wall that sliding connection led to groove three 12, logical groove four 13 and spacing splint 14.
In this embodiment: through setting up logical groove four 13, spacing splint 14 and spacing slide 18, can prescribe a limit to the angle when plug 15 inserts inner tube 2, avoid the angular deviation to lead to the riser 17 can slide under the wrong condition and pass through magnet board 4, reduce the operational failure, and spacing splint 14 clip spacing slide 18, can prescribe a limit to the insertion angle of plug 15, avoid the scraping in plug 15 and the inner tube 2, reduce the loss.
The working principle is as follows: the angle between two vertical plates 17 in the front and the back of the connecting rod 16 is different from that between the corresponding through groove one 6 and the through groove two 7, the angles between the vertical plates 17 are matched with the angles of the corresponding through groove one 6 and the through groove two 7, when students need to connect the equipment on the experiment table 21 through the circuit line 20, the limiting sliding plate 18 is firstly aligned to the through groove four 13 and the limiting clamping plate 14, then the lower end of the plug 15 is aligned to the upper opening of the inner tube 2 and is downwards inserted, when the connecting rod 16 slides into the inner tube 2, if the students are correctly connected, the front vertical plate 17 and the back vertical plate 17 on the connecting rod 16 can smoothly slide through the through groove one 6 and the through groove two 7 and slide to the lower part of the magnet plate one 4, then the lower end of the plug 15 is inserted into the internal interface of the experiment table 21, thereby the correct connection of the equipment is completed, when the students are mistakenly connected, the connecting rod 16 slides into the inner wall of the inner tube 2, at the moment, the vertical plate 17 on the connecting rod 16 is connected with the through groove one 6 on the current outer tube 1 and the inner tube 2, The openings of the second through grooves 7 are not matched, so that the first magnet plate 4 blocks the vertical plate 17, the vertical plate 17 can push the first magnet plate 4 to slide downwards along with the downward insertion of a student into the connecting rod 16, the repulsive magnetic force exists between the first magnet plate 4 and the second magnet plate 8 in the initial state, the first magnet plate 4 stays above the second magnet plate 8 in the outer pipe 1 due to the magnetic force, when the first magnet plate 4 slides downwards, the student feels that resistance exists along with the approach of the first magnet plate 4 and the second magnet plate 8, can timely sense matching errors, meanwhile, along with the approach of the first magnet plate 4 and the second magnet plate 8, the second magnet plate 8 receives downward force to be increased, so that the piezoresistor 10 is pressed downwards to increase the pressure sensed by the piezoresistor 10, then the piezoresistor 10 transmits signals into the display table 24 through the power signal line 11, the display table 24 gives an alarm, so that error correction can be timely, and the student can quickly obtain feedback, the mistake is corrected in time, and because the repulsion of magnet board two 8 and magnet board 4 this moment, the kneck in 21 of laboratory bench is not inserted to 15 lower extremes of plug to avoid inserting the mistake and lead to equipment trouble, do not need artifical supervision, solved and needed mr's supervision, make mr's teaching degree of difficulty grow, when mr's supervision is not in place, open equipment behind the student wiring mistake and probably harm equipment, the teaching effect is not good and can lead to the fact the dangerous technical problem in the aspect of the electric power.
Through two sets of magnet board 4 and magnet board two 8 around setting up, and correspond two sets of risers 17 around the front and back, lead to groove one 6 and lead to groove two 7, make can have half right condition between totally correct and totally wrong insertion, can classify and correspond accurate model with different circuit lines 20, rear side riser 17, lead to groove one 6 and lead to groove two 7 and correspond categorisedly, front side riser 17, lead to groove one 6 and lead to groove two 7 and correspond the model, when the student is inserting, categorisedly and the model only have single correct words, only can make a single magnet board 4 gliding, thereby make single piezo-resistor 10 feel pressure variation and send signal and report to the police to display stand 24, and warning sound and image display are different, thereby be convenient for the student know what the mistake, be more favorable to the error correction, improve the teaching effect.
Claims (7)
1. The utility model provides a but intelligent electricity experiment platform of automatic error correction, includes outer tube (1) and laboratory bench (21), its characterized in that: the inner pipe (2) is arranged in the outer pipe (1), the upper ends of the front side and the rear side of the inner wall of the outer pipe (1) are respectively connected with a magnet plate I (4) in a sliding manner, one end, far away from the outer pipe (1), of the magnet plate I (4) is connected with the outer wall of the inner pipe (2) in a sliding manner, the outer wall of the inner pipe (2) is provided with a through groove I (6) in a penetrating manner, one end, close to the inner pipe (2), of the magnet plate I (4) is provided with a through groove II (7), the opening of the through groove I (6) corresponds to the opening of the through groove II (7), the lower ends of the front side and the rear side of the inner wall of the outer pipe (1) are respectively connected with a magnet plate II (8) in a sliding manner, one end, far away from the outer pipe (1), of the magnet plate II (8) is connected with the outer wall of the inner pipe (2) in a sliding manner, a piezoresistor (10) is placed on the lower surface of the magnet plate II (8), the upper end of the piezoresistor (10) is attached to the lower surface of the magnet plate II (8), magnet board (4) are located magnet board two (8) directly over, the one end fixedly connected with power signal line (11) of inner tube (2) are kept away from in piezo-resistor (10), the outer wall lower extreme of fixed connection outer tube (1) is run through to the one end that piezo-resistor (10) were kept away from in power signal line (11), the inner wall sliding connection of inner tube (2) has plug (15), the upper end fixedly connected with connecting rod (16) of plug (15), the equal fixedly connected with riser (17) in both ends around connecting rod (16), riser (17) run through the inner wall that sliding connection led to groove (6) and led to groove two (7).
2. The intelligent electrical experiment platform capable of automatically correcting errors according to claim 1, wherein: spout (3) have all been seted up at both ends around the inner wall of outer tube (1) and the outer wall of inner tube (2), the equal fixedly connected with slider (5) in both ends around magnet board (4), the inner wall of one end sliding connection spout (3) of magnet board (4) is kept away from in slider (5).
3. The intelligent electrical experiment platform capable of automatically correcting errors according to claim 2, wherein: the front end and the rear end of the second magnet plate (8) are fixedly connected with a second sliding block (9), and the second sliding block (9) is far away from the inner wall of the sliding groove (3) in sliding connection with one end of the second magnet plate (8).
4. The intelligent electrical experiment platform capable of automatically correcting errors according to claim 1, wherein: the inner wall right-hand member of inner tube (2) runs through and has seted up logical groove three (12), the inner wall right-hand member of outer tube (1) runs through and has seted up logical groove four (13), the outer wall of outer tube (1) leads to groove four (13) right-hand member fixedly connected with spacing splint (14).
5. The intelligent electrical experiment platform capable of automatically correcting errors according to claim 1, wherein: the right end of the connecting rod (16) is fixedly connected with a limiting sliding plate (18), and the limiting sliding plate (18) penetrates through the inner wall of the sliding connection through groove three (12), the through groove four (13) and the limiting clamping plate (14).
6. The intelligent electrical experiment platform capable of automatically correcting errors according to claim 1, wherein: the upper end fixedly connected with connecting seat (19) of connecting rod (16), the upper end fixedly connected with circuit line (20) of connecting seat (19).
7. The intelligent electrical experiment platform capable of automatically correcting errors according to claim 1, wherein: the utility model discloses a high-voltage insulation experiment table, including experiment table (21), the upper end fixedly connected with equipment platform (22) of experiment table (21), the upper surface of the equal fixed connection equipment platform (22) of lower extreme of outer tube (1) and inner tube (2), the upper surface of the lower extreme laminating equipment platform (22) of piezo-resistor (10), upper surface equipment platform (22) front end fixedly connected with of experiment table (21) controls platform (23), the upper surface right end fixedly connected with display stand (24) of experiment table (21), the left end of right-hand member fixed connection display stand (24) of power signal line (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111683328.4A CN114299800B (en) | 2021-12-31 | 2021-12-31 | Intelligent electricity experiment platform capable of automatically correcting errors |
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| CN202111683328.4A CN114299800B (en) | 2021-12-31 | 2021-12-31 | Intelligent electricity experiment platform capable of automatically correcting errors |
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| CN114299800B CN114299800B (en) | 2023-12-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE29810169U1 (en) * | 1998-05-29 | 1998-08-20 | Handwerkskammer Frankfurt (Oder), 15230 Frankfurt | Facility for education and training in the field of electrical installation technology |
| DE202011102742U1 (en) * | 2011-07-04 | 2012-01-16 | Monika Carl Lehr- und Meßsysteme | Sliding box for error simulation |
| KR101282732B1 (en) * | 2013-03-22 | 2013-07-05 | 주식회사 우원이엔지 | Spark interception system for danger experiment table |
| CN107680460A (en) * | 2017-11-10 | 2018-02-09 | 姜源 | A kind of intelligent table for electricity examination with automatic error correction function |
| CN110189600A (en) * | 2019-06-11 | 2019-08-30 | 咸阳师范学院 | A kind of Electronics and Information Engineering experimental provision |
| CN111028605A (en) * | 2019-12-31 | 2020-04-17 | 江苏高中压阀门有限公司 | Electric power automation comprehensive experiment table |
| CN210896054U (en) * | 2019-12-16 | 2020-06-30 | 李晶蕊 | Physics teaching experiment table |
| CN214587570U (en) * | 2021-01-26 | 2021-11-02 | 余继荣 | Innovative electromagnetic induction experimental device |
-
2021
- 2021-12-31 CN CN202111683328.4A patent/CN114299800B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29810169U1 (en) * | 1998-05-29 | 1998-08-20 | Handwerkskammer Frankfurt (Oder), 15230 Frankfurt | Facility for education and training in the field of electrical installation technology |
| DE202011102742U1 (en) * | 2011-07-04 | 2012-01-16 | Monika Carl Lehr- und Meßsysteme | Sliding box for error simulation |
| KR101282732B1 (en) * | 2013-03-22 | 2013-07-05 | 주식회사 우원이엔지 | Spark interception system for danger experiment table |
| CN107680460A (en) * | 2017-11-10 | 2018-02-09 | 姜源 | A kind of intelligent table for electricity examination with automatic error correction function |
| CN110189600A (en) * | 2019-06-11 | 2019-08-30 | 咸阳师范学院 | A kind of Electronics and Information Engineering experimental provision |
| CN210896054U (en) * | 2019-12-16 | 2020-06-30 | 李晶蕊 | Physics teaching experiment table |
| CN111028605A (en) * | 2019-12-31 | 2020-04-17 | 江苏高中压阀门有限公司 | Electric power automation comprehensive experiment table |
| CN214587570U (en) * | 2021-01-26 | 2021-11-02 | 余继荣 | Innovative electromagnetic induction experimental device |
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|---|---|
| CN114299800B (en) | 2023-12-26 |
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