CN111383506B - Demonstration instrument for electricity - Google Patents
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- CN111383506B CN111383506B CN202010374353.3A CN202010374353A CN111383506B CN 111383506 B CN111383506 B CN 111383506B CN 202010374353 A CN202010374353 A CN 202010374353A CN 111383506 B CN111383506 B CN 111383506B
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- 230000005611 electricity Effects 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
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Abstract
The invention discloses an electricity demonstration instrument, which comprises a supporting component, a driving component and a detection component, wherein the driving component is positioned in the supporting component, and the detection component is positioned above the supporting component, so that the electricity demonstration instrument has the following beneficial effects that: the second servo motor through setting up can drive the second axis of rotation and rotate, the second axis of rotation can drive the rotation casing on the transmission sleeve urceolus wall and rotate, slide through the top with the inserted block in the backup pad and can carry out electric connection with the article and the ampere meter that await measuring and voltmeter, the connected mode of circuit is easily understood, the feasible student that can be clear looks over the connection of cable, the demonstration effect is improved, and can drive first round pin epaxial fixed connection's first drive wheel through setting up at the inside first servo motor of supporting component and rotate, first drive wheel can drive first round pin axle when rotating and rotate, first round pin axle drives the backup pad and overturns.
Description
Technical Field
The invention relates to a demonstration instrument, in particular to an electricity demonstration instrument, and belongs to the field of electricity demonstration instruments.
Background
At present, when electrical teaching is carried out, the demonstration can be carried out according to different sizes of resistors of different articles frequently. Most of the existing demonstration instruments are formed by temporarily assembling elements such as ampere meters, volt meters, power slide rheostats, keys, wires and liquid according to requirements, and can achieve the demonstration effect, but because the connecting wires are crossed, students cannot easily see the connecting mode of the circuits, the assembly takes time, the operation and the moving are inconvenient, and a demonstration instrument for electrical teaching, which can clearly display the connection and the salient observation objects of the circuits, improves the demonstration effect, saves time and power, is urgently needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electrical demonstrator.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a demonstration instrument for electricity, which comprises a supporting component, a driving component and a detection component, wherein the driving component is positioned inside the supporting component, the detection component is positioned above the supporting component, the supporting component comprises a base, a supporting plate, side frames, a first supporting frame, a second supporting frame, a first pin shaft, a second pin shaft, a first screw rod, a first transmission wheel, a first fixed frame, a first servo motor, a first rotating shaft, a second transmission wheel, a transmission belt, a third supporting frame and a second screw rod, the supporting plate is arranged above the base, the side frames are fixedly connected to the outer side walls of the two sides of the supporting plate, the first supporting frame and the second supporting frame are respectively arranged at the two sides of the side frames, the first supporting frame and the second supporting frame are fixedly connected with the base, and the first pin shaft is fixedly connected to one end, close to the first supporting frame, of the side frame, one end of the side frame, which is close to the second support frame, is fixedly connected with a second pin shaft, the first pin shaft and the second pin shaft are respectively rotatably connected with the first support frame and the second support frame, the outer side walls of the ends, which are close to the base, of the first support frame and the second support frame are respectively provided with a first lead screw, the first lead screws are in threaded connection with the first support frame and the second support frame, one end, which is far away from the side frame, of the first pin shaft penetrates through the first support frame and is fixedly connected with a first transmission wheel, the plate wall, which is close to one side of the second support frame, of the first support frame is fixedly connected with a first servo motor through a first fixed rack, a first rotating shaft is fixedly connected onto the shaft wall of an output shaft of the first servo motor through a coupler, the other end of the first rotating shaft penetrates through the first support frame, the first rotating shaft is rotatably connected with the first support frame, and one end, which penetrates through the first support frame, is fixedly connected with a second transmission wheel, the second driving wheel is in transmission connection with the first driving wheel through a driving belt, third supporting frames are arranged on two sides of one end, away from the first supporting frame and the second supporting frame, of the side frame, the third supporting frames are fixedly connected with the base, a second lead screw is in threaded connection with the plate wall of one side, away from the supporting plate, of the third supporting frames, the second lead screw penetrates through one end of the third supporting frames to be in contact with the outer wall of the side frame, the driving assembly comprises a second fixed rack, a second servo motor, a second rotating shaft, a driving sleeve, a rotating shell, a first inserting end, a second inserting end, a bearing, a fixed rod, a first groove and a second groove, the second servo motor is fixedly connected to the bottom of the supporting plate through the second fixed rack, the second rotating shaft is fixedly connected to the shaft wall of an output shaft of the second servo motor through a coupler, and the driving sleeve is fixedly sleeved on the shaft wall of the second rotating shaft, the detection assembly comprises an ammeter, a voltmeter, a first plugging end, a second plugging block, a first lead, a second lead, a plugging groove, a conductive sleeve, a third lead, a storage battery, a fourth lead, a switch and a fifth lead, wherein the ammeter is arranged on one side of the first groove close to the first support frame, the voltmeter is arranged on one side of the first groove close to the second support frame, the ammeter and the voltmeter are fixedly connected with the supporting plate, one side of the ammeter and the voltmeter close to the first groove is respectively provided with a first insertion block and a second insertion block, the first insertion block and the second insertion block are both connected to the top of the support plate in a sliding manner, insertion grooves are respectively arranged on the plate walls of the adjacent sides of the first insertion block and the second insertion block, the inside of the inserting groove is fixedly connected with a conductive sleeve, a binding post of the ammeter is electrically connected with the conductive sleeve positioned in the first inserting block through a first lead, the binding post of the voltmeter is electrically connected with the conductive sleeve positioned in the second plug block through a second lead, the other binding post of the ammeter is electrically connected with the cathode of the storage battery through a third lead, the anode of the storage battery is connected with the switch through a fourth lead, the other end of the switch is electrically connected with the other binding post on the voltmeter through a fifth lead.
Preferably, one end of each of the two first screw rods, which is far away from the side frame, is fixedly connected with a first toggle block.
Preferably, one end of each of the two second screw rods, which is far away from the side frame, is fixedly connected with a second toggle block.
Preferably, a bearing is sleeved on the shaft wall of one end, away from the second servo motor, of the second rotating shaft, a fixing rod is fixedly connected to the top of the bearing, and the other end of the fixing rod is fixedly connected with the supporting plate.
Preferably, the first servo motor and the second servo motor are electrically connected with an external power supply through a PLC.
Preferably, the first inserting end, the second inserting end and the conductive sleeve are all made of metal copper materials, and the first inserting block and the second inserting block are all made of insulating rubber materials.
Preferably, the bottom of the first inserting block and the bottom of the second inserting block are fixedly connected with limit sliding blocks, the top of the supporting plate corresponds to the limit sliding blocks and is provided with limit sliding grooves, and the limit sliding blocks are connected inside the limit sliding grooves in a sliding mode.
The demonstration instrument for electricity provided by the invention has the beneficial effects that: the demonstration instrument for electricity has simple structure and convenient use, can drive the second rotating shaft to rotate through the arranged second servo motor, can drive the rotating shell on the outer cylinder wall of the transmission sleeve to rotate, the article to be tested can be electrically connected with the ammeter and the voltmeter by sliding the plug-in block on the top of the supporting plate, the connection mode of the circuit is simple and easy to understand, the connection of the student to the cable can be clearly checked, the demonstration effect is improved, and a first driving wheel fixedly connected with the first pin shaft can be driven to rotate through a first servo motor arranged in the supporting component, the first driving wheel can drive the first pin shaft to rotate when rotating, the first pin shaft drives the supporting plate to turn over, and the side frame is clamped through the first screw rod or the second screw rod, so that the device can be replaced in two shapes.
Drawings
FIG. 1 is a schematic structural diagram of an electrical demonstration instrument according to the present invention;
FIG. 2 is a top view of an electrical demonstrator according to the present invention;
FIG. 3 is a schematic structural diagram of a transmission sleeve in the demonstration instrument for electricity according to the present invention;
FIG. 4 is a schematic structural diagram of a base in the electrical demonstration instrument according to the present invention;
fig. 5 is a partially enlarged view of a portion a of an electrical demonstrator according to the present invention.
In the figure: the support assembly 1, the base 11, the support plate 12, the side frame 13, the first support frame 14, the second support frame 15, the first pin 16, the second pin 17, the first lead screw 18, the first toggle block 19, the first transmission wheel 110, the first fixed frame 111, the first servo motor 112, the first rotating shaft 113, the second transmission wheel 114, the transmission belt 115, the third support frame 116, the second lead screw 117, the second toggle block 118, the drive assembly 2, the second fixed frame 21, the second servo motor 22, the second rotating shaft 23, the transmission sleeve 24, the rotating housing 25, the first plugging end 26, the second plugging end 27, the bearing 28, the fixing rod 29, the first groove 210, the second groove 211, the detection assembly 3, the ammeter 31, the voltmeter 32, the first plugging block 33, the second plugging block 34, the limit slider 35, the limit chute 36, the first lead wire 37, the second lead wire 38, the plugging groove 39, the conductive sleeve 310, the first lead wire 37, the second lead wire 38, the second lead wire, Third lead 311, battery 312, fourth lead 313, switch 314, and fifth lead 315.
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.
Referring to fig. 1 to 5, an electrical demonstrator includes a supporting component 1, a driving component 2 and a detecting component 3, the driving component 2 is located inside the supporting component 1, the detecting component 3 is located above the supporting component 1, the supporting component 1 includes a base 11, a supporting plate 12, a side frame 13, a first supporting frame 14, a second supporting frame 15, a first pin 16, a second pin 17, a first screw 18, a first driving wheel 110, a first fixed frame 111, a first servo motor 112, a first rotating shaft 113, a second driving wheel 114, a driving belt 115, a third supporting frame 116 and a second screw 117, the supporting plate 12 is arranged above the base 11, the side frames 13 are fixedly connected to outer side walls of both sides of the supporting plate 12, the first supporting frame 14 and the second supporting frame 15 are respectively arranged on both sides of the side frame 13, the first supporting frame 14 and the second supporting frame 15 are fixedly connected to the base 11, one end of the side frame 13 close to the first support frame 14 is fixedly connected with a first pin shaft 16, one end of the side frame 13 close to the second support frame 15 is fixedly connected with a second pin shaft 17, the first pin shaft 16 and the second pin shaft 17 are respectively rotatably connected with the first support frame 14 and the second support frame 15, the outer side walls of the first support frame 14 and the second support frame 15 close to one end of the base 11 are respectively provided with a first lead screw 18, the first lead screws 18 are in threaded connection with the first support frame 14 and the second support frame 15, one end of the first pin shaft 16 far away from the side frame 13 penetrates through the first support frame 14 and is fixedly connected with a first transmission wheel 110, the plate wall of one side of the first support frame 14 close to the second support frame 15 is fixedly connected with a first servo motor 112 through a first fixed rack 111, and the shaft wall of an output shaft of the first servo motor 112 is fixedly connected with a first rotating shaft 113 through a coupling, the other end of the first rotating shaft 113 penetrates through the first support frame 14, the first rotating shaft 113 is rotatably connected with the first support frame 14, one end of the first rotating shaft 113 penetrating through the first support frame 14 is fixedly connected with a second driving wheel 114, the second driving wheel 114 is in transmission connection with the first driving wheel 110 through a driving belt 115, both sides of one end, far away from the first support frame 14 and one end of the second support frame 15, of the side frame 13 are provided with third support frames 116, the third support frames 116 are fixedly connected with the base 11, a second lead screw 117 is in threaded connection with the plate wall of one side, far away from the support plate 12, of the third support frames 116, one end of the second lead screw 117 penetrating through the third support frames 116 is in contact with the outer wall of the side frame 13, the driving assembly 2 comprises a second fixed frame 21, a second servo motor 22, a second rotating shaft 23, a driving sleeve 24, a rotating shell 25, a first inserting end 26, The second inserting end 27, the bearing 28, the fixing rod 29, the first groove 210 and the second groove 211, the second servo motor 22 is fixedly connected to the bottom of the supporting plate 12 through the second fixing frame 21, the second rotating shaft 23 is fixedly connected to the shaft wall of the output shaft of the second servo motor 22 through the shaft coupling, the transmission sleeve 24 is fixedly connected to the shaft wall of the second rotating shaft 23, the plurality of rotating housings 25 are fixedly connected to the outer cylinder wall of the transmission sleeve 24 at equal intervals, the first inserting end 26 and the second inserting end 27 are respectively fixedly inserted into two ends of each rotating housing 25, the first inserting end 26 is arranged on one side of the second inserting end 27 far away from the second servo motor 22, the first groove 210 is formed on the top of the supporting plate 12 corresponding to the plurality of rotating housings 25 fixedly connected to the outer wall of the transmission sleeve 24, the first groove 26 and the second inserting end 27 are respectively formed on the inner side walls of two sides of the first groove 210, the detection component 3 comprises an ammeter 31, a voltmeter 32, a first plug-in block 33, a second plug-in block 34, a first lead 37, a second lead 38, a plug-in groove 39, a conductive sleeve 310, a third lead 311, a storage battery 312, a fourth lead 313, a switch 314 and a fifth lead 315, wherein the ammeter 31 is arranged on one side of the first groove 210 close to the first support frame 14, the voltmeter 32 is arranged on one side of the first groove 210 close to the second support frame 15, the ammeter 31 and the voltmeter 32 are both fixedly connected with the support plate 12, the first plug-in block 33 and the second plug-in block 34 are respectively arranged on one sides of the ammeter 31 and the voltmeter 32 close to the first groove 210, the first plug-in block 33 and the second plug-in block 34 are both slidably connected to the top of the support plate 12, the plug-in grooves 39 are respectively arranged on the plate walls of the adjacent sides of the first plug-in block 33 and the second plug-in block 34, the inside of the inserting slot 39 is fixedly connected with a conductive sleeve 310, the terminal of the ammeter 31 is electrically connected with the conductive sleeve 310 inside the first inserting block 33 through a first lead 37, the terminal of the voltmeter 32 is electrically connected with the conductive sleeve 310 inside the second inserting block 34 through a second lead 38, the other terminal of the ammeter 31 is electrically connected with the negative electrode of the storage battery 312 through a third lead 311, the positive electrode of the storage battery 312 is connected with the switch 314 through a fourth lead 313, and the other end of the switch 314 is electrically connected with the other terminal of the voltmeter 32 through a fifth lead 315.
Two the one end that first lead screw 18 kept away from side bearer 13 all fixedly connected with first group moves piece 19, and first group moves piece 19 can increase the axle diameter that first lead screw 18 kept away from side bearer 13 one end, can make the arm of force increase of first lead screw 18 when rotating, and first lead screw 18 rotates more convenient laborsaving.
Two the one end that the side bearer 13 was kept away from to second lead screw 117 all fixedly connected with second shifting block 118, second shifting block 118 can increase the axle diameter that side bearer 13 one end was kept away from to second lead screw 117, can make the arm of force increase of second lead screw 117 when rotating, and second lead screw 117 rotates more convenient laborsaving.
The bearing 28 is sleeved on the shaft wall of one end, far away from the second servo motor 22, of the second rotating shaft 23, the top of the bearing 28 is fixedly connected with the fixing rod 29, the other end of the fixing rod 29 is fixedly connected with the supporting plate 12, when the second rotating shaft 23 drives the transmission sleeve 24 to rotate, one end, far away from the second servo motor 22, of the second rotating shaft 23 is connected with the supporting plate 12 through the bearing 28, and therefore the second rotating shaft 23 can be more stable in rotation.
The first inserting end 26, the second inserting end 27 and the conductive sleeve 310 are all made of metal copper materials, the first inserting block 33 and the second inserting block 34 are made of insulating rubber materials, the inserting end made of the metal copper materials and the conductive sleeve 310 can conduct electricity, and the inserting block made of the rubber materials has a good insulating effect.
The equal fixedly connected with limit slide block 35 in bottom of first grafting piece 33 and second grafting piece 34, limit slide 36 has been seted up to the top of backup pad 12 corresponding limit slide block 35, limit slide block 35 sliding connection is in limit slide 36's inside, and when first grafting piece 33 and second grafting piece 34 slided on backup pad 12, can drive limit slide block 35 and slide in limit slide 36's inside, can make grafting piece more stable when sliding.
The working principle is as follows: when a teacher performs electrical teaching demonstration, the first servo motor 112 is started, the TB6600 type PLC controller controls the output shaft of the first servo motor 112 to rotate clockwise, the output shaft of the first servo motor 112 drives the second transmission wheel 114 on the shaft wall of the first rotation shaft 113 to rotate clockwise, the second transmission wheel 114 drives the first transmission wheel 110 to rotate clockwise through the transmission belt 115, the first transmission wheel 110 can drive the first pin shaft 16 to rotate when rotating clockwise, the first pin shaft 16 drives the side frame 13 to turn over, the side frame 13 drives the support plate 12 to turn over clockwise with the first pin shaft 16 and the second pin shaft 17 as the axes, so that when the support plate 12 turns over to be vertical to the ground, the first servo motor 112 is stopped, the first screw rod 18 is driven to rotate through the first toggle block 19, the first screw rod 18 connects and locks the side frame 13 with the first support frame 14 and the second support frame 15, the demonstration device is vertically positioned on the ground, so that students can watch conveniently, when students perform experiments, the first servo motor 112 is started to drive the support plate 12 to reversely turn ninety degrees, the support plate 12 is parallel to the base 11, the second shifting block 118 drives the second screw rod 117 to lock the side frame 13 with the two third support frames 116, so that the students can conveniently operate, the applicability of the demonstration instrument is greatly enhanced, when in demonstration, articles with different resistances are placed in the rotating shell 25, two ends of the articles are respectively connected with the first inserting end 26 and the second inserting end 27, the second servo motor 22 is arranged to drive the second rotating shaft 23 to rotate, the second rotating shaft 23 can drive the rotating shell 25 on the outer cylinder wall of the transmission sleeve 24 to rotate, and the articles to be tested can be electrically connected with the ammeter 31 and the ammeter 32 by sliding the inserting blocks at the top of the support plate 12, the connection mode of circuit is simple understandable, can be clear make the student look over the connection of cable, improves the demonstration effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The demonstration instrument for electricity is characterized by comprising a supporting component (1), a driving component (2) and a detecting component (3), wherein the driving component (2) is positioned inside the supporting component (1), and the detecting component (3) is positioned above the supporting component (1);
the supporting component (1) comprises a base (11), a supporting plate (12), side frames (13), a first supporting frame (14), a second supporting frame (15), a first pin shaft (16), a second pin shaft (17), a first screw rod (18), a first transmission wheel (110), a first fixed rack (111), a first servo motor (112), a first rotating shaft (113), a second transmission wheel (114), a transmission belt (115), a third supporting frame (116) and a second screw rod (117), wherein the supporting plate (12) is arranged above the base (11), the side frames (13) are fixedly connected to the outer side walls of two sides of the supporting plate (12), the first supporting frame (14) and the second supporting frame (15) are respectively arranged on two sides of each side frame (13), and the first supporting frame (14) and the second supporting frame (15) are fixedly connected with the base (11), one end, close to a first support frame (14), of each side frame (13) is fixedly connected with a first pin shaft (16), one end, close to a second support frame (15), of each side frame (13) is fixedly connected with a second pin shaft (17), the first pin shafts (16) and the second pin shafts (17) are respectively rotatably connected with the first support frame (14) and the second support frame (15), first lead screws (18) are respectively arranged on the outer side walls, close to one ends of the bases (11), of the first support frame (14) and the second support frame (15), the first lead screws (18) are in threaded connection with the first support frame (14) and the second support frame (15), one end, far away from the side frames (13), of each first pin shaft (16) penetrates through the first support frame (14) and is fixedly connected with a first transmission wheel (110), and a first servo motor (112) is fixedly connected onto the plate wall, close to one side of the second support frame (15), of the first support frame (14), a first rotating shaft (113) is fixedly connected to the shaft wall of an output shaft of the first servo motor (112) through a coupler, the other end of the first rotating shaft (113) penetrates through the first support frame (14), the first rotating shaft (113) is rotatably connected with the first support frame (14), a second driving wheel (114) is fixedly connected to one end, penetrating through the first support frame (14), of the first rotating shaft (113), the second driving wheel (114) is in transmission connection with the first driving wheel (110) through a driving belt (115), third support frames (116) are arranged on two sides of one end, far away from the first support frame (14) and one end, far away from the second support frame (15), of the side frame (13), respectively, the third support frames (116) are fixedly connected with the base (11), and second lead screws (117) are in threaded connection with the plate wall of one side, far away from the support plate (12), of the third support frames (116), the second screw rod (117) penetrates through one end of the third support frame (116) to be in contact with the outer wall of the side frame (13);
the driving assembly (2) comprises a second fixed rack (21), a second servo motor (22), a second rotating shaft (23), a transmission sleeve (24), a rotating shell (25), a first inserting end (26), a second inserting end (27), a bearing (28), a fixed rod (29), a first groove (210) and a second groove (211), the second servo motor (22) is fixedly connected to the bottom of the supporting plate (12) through the second fixed rack (21), the shaft wall of an output shaft of the second servo motor (22) is fixedly connected with the second rotating shaft (23) through a coupler, the shaft wall of the second rotating shaft (23) is fixedly sleeved with the transmission sleeve (24), the outer cylinder wall of the transmission sleeve (24) is fixedly connected with a plurality of rotating shells (25) at equal intervals, and the first inserting end (26) and the second inserting end (27) are respectively fixedly inserted into two ends of the rotating shells (25), the first inserting end (26) is arranged on one side, away from the second servo motor (22), of the second inserting end (27), a first groove (210) is formed in the top of the supporting plate (12) corresponding to the plurality of rotating shells (25) fixedly connected to the outer wall of the transmission sleeve (24), and second grooves (211) are formed in the inner side walls of the two sides of the first groove (210) respectively at the first inserting end (26) and the second inserting end (27);
the detection assembly (3) comprises an ammeter (31), a voltmeter (32), a first plug-in block (33), a second plug-in block (34), a first lead (37), a second lead (38), a plug-in groove (39), a conductive sleeve (310), a third lead (311), a storage battery (312), a fourth lead (313), a switch (314) and a fifth lead (315), the ammeter (31) is arranged on one side of the first groove (210) close to the first support frame (14), the voltmeter (32) is arranged on one side of the first groove (210) close to the second support frame (15), the ammeter (31) and the voltmeter (32) are fixedly connected with the support plate (12), the first plug-in block (33) and the second plug-in block (34) are respectively arranged on one sides of the ammeter (31) and the voltmeter (32) close to the first groove (210), and the first plug-in block (33) and the second plug-in block (34) are connected to the top of the support plate (12) in a sliding mode The adjacent side of the board walls of the first insertion block (33) and the second insertion block (34) are both provided with insertion grooves (39), the inside of the inserting groove (39) is fixedly connected with a conductive sleeve (310), the binding post of the ammeter (31) is electrically connected with the conductive sleeve (310) positioned inside the first inserting block (33) through a first lead (37), the binding post of the voltmeter (32) is electrically connected with a conductive sleeve (310) positioned in the second plug block (34) through a second lead (38), the other terminal of the ammeter (31) is electrically connected with the negative electrode of the storage battery (312) through a third lead (311), the positive pole of the storage battery (312) is connected with the switch (314) through a fourth lead (313), the other end of the switch (314) is electrically connected with the other binding post on the voltmeter (32) through a fifth lead (315);
one ends, far away from the side frames (13), of the two first screw rods (18) are fixedly connected with first toggle blocks (19);
one ends, far away from the side frames (13), of the two second screw rods (117) are fixedly connected with second toggle blocks (118);
a bearing (28) is sleeved on the shaft wall of one end, far away from the second servo motor (22), of the second rotating shaft (23), the top of the bearing (28) is fixedly connected with a fixing rod (29), and the other end of the fixing rod (29) is fixedly connected with the supporting plate (12);
the equal fixedly connected with spacing slider (35) in bottom of first grafting piece (33) and second grafting piece (34), spacing spout (36) have been seted up to the top of backup pad (12) corresponding spacing slider (35), spacing slider (35) sliding connection is in the inside of spacing spout (36).
2. The electrical demonstrator of claim 1, wherein the first servomotor (112) and the second servomotor (22) are electrically connected to an external power source through a PLC controller.
3. The electrical demonstrator of claim 1, wherein the first plug end (26), the second plug end (27) and the conductive sleeve (310) are made of metal copper material, and the first plug block (33) and the second plug block (34) are made of insulating rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374353.3A CN111383506B (en) | 2020-05-06 | 2020-05-06 | Demonstration instrument for electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374353.3A CN111383506B (en) | 2020-05-06 | 2020-05-06 | Demonstration instrument for electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111383506A CN111383506A (en) | 2020-07-07 |
| CN111383506B true CN111383506B (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010374353.3A Expired - Fee Related CN111383506B (en) | 2020-05-06 | 2020-05-06 | Demonstration instrument for electricity |
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| CN (1) | CN111383506B (en) |
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| CN105390054A (en) * | 2015-12-31 | 2016-03-09 | 单森培 | Box for high school electrical experiment |
| CN208015061U (en) * | 2018-03-14 | 2018-10-26 | 于庆熙 | A kind of electrophysics experiment conducting wire punck-down block |
| CN108898928A (en) * | 2018-08-28 | 2018-11-27 | 常州大学怀德学院 | A kind of Physical Experiment apparatus for demonstrating |
| CN109622094A (en) * | 2018-12-26 | 2019-04-16 | 肖扬 | A kind of laboratory table suitable for a variety of Physical Experiments |
| CN209433657U (en) * | 2018-12-25 | 2019-09-24 | 福建师范大学闽南科技学院 | A kind of pilot demonstration device of the teaching convenient for folding and unfolding |
| CN209674655U (en) * | 2018-11-29 | 2019-11-22 | 李馨悦 | A kind of physics teaching demonstration device |
| CN210378030U (en) * | 2019-08-06 | 2020-04-21 | 何君才 | Middle school physics electricity demonstration instrument |
| CN210415570U (en) * | 2019-08-12 | 2020-04-28 | 苏州世康防护用品有限公司 | Ear belt welding mechanism for producing protective mask |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206558081U (en) * | 2016-08-11 | 2017-10-13 | 绍兴县快晴贸易有限公司 | A kind of electricity of middle school physical demonstrator |
| CN110988412A (en) * | 2020-01-09 | 2020-04-10 | 台州市椒江蒙特智能装备有限公司 | Detection box for detecting current and voltage of circuit |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE29905899U1 (en) * | 1999-03-31 | 2000-02-03 | Budnik Norbert | Map compass |
| CN105390054A (en) * | 2015-12-31 | 2016-03-09 | 单森培 | Box for high school electrical experiment |
| CN208015061U (en) * | 2018-03-14 | 2018-10-26 | 于庆熙 | A kind of electrophysics experiment conducting wire punck-down block |
| CN108898928A (en) * | 2018-08-28 | 2018-11-27 | 常州大学怀德学院 | A kind of Physical Experiment apparatus for demonstrating |
| CN209674655U (en) * | 2018-11-29 | 2019-11-22 | 李馨悦 | A kind of physics teaching demonstration device |
| CN209433657U (en) * | 2018-12-25 | 2019-09-24 | 福建师范大学闽南科技学院 | A kind of pilot demonstration device of the teaching convenient for folding and unfolding |
| CN109622094A (en) * | 2018-12-26 | 2019-04-16 | 肖扬 | A kind of laboratory table suitable for a variety of Physical Experiments |
| CN210378030U (en) * | 2019-08-06 | 2020-04-21 | 何君才 | Middle school physics electricity demonstration instrument |
| CN210415570U (en) * | 2019-08-12 | 2020-04-28 | 苏州世康防护用品有限公司 | Ear belt welding mechanism for producing protective mask |
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| CN111383506A (en) | 2020-07-07 |
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