CN206789153U

CN206789153U - A kind of physics subject Ampere's law demonstration test instrument

Info

Publication number: CN206789153U
Application number: CN201720250540.4U
Authority: CN
Inventors: 朱凌霄
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-15
Filing date: 2017-03-15
Publication date: 2017-12-22
Anticipated expiration: 2027-03-15

Abstract

The utility model discloses a kind of physics subject Ampere's law demonstration test instrument, including casing, case lid is hinged with the upside of the casing, the inside of the casing is provided with insulated liner layer, the insulated liner layer is provided with power slot, open the light groove, bolt storage groove, small magnetic needle accumulator tank, helical tube seat, wire accumulator tank and four small magnetic needle standing grooves, power supply is provided with the power slot, single-pole single-throw switch (SPST) is provided with the groove that opens the light, fixing bolt is provided with the bolt storage groove, several small magnetic needles are provided with the small magnetic needle accumulator tank, solenoid is provided with the helical tube seat, some connecting wires are provided with the wire accumulator tank, the both ends of the power supply, the both ends of single-pole single-throw switch (SPST) and the both ends of solenoid wire wound are connected with binding post by wire.The utility model is simple in construction, and not only teacher's demonstration is got up convenient, and student resource operates easier, is beneficial to the efficiency for improving experimental teaching.

Description

A kind of physics subject Ampere's law demonstration test instrument

Technical field

A kind of experimental teaching demonstration equipment is the utility model is related to, more particularly to a kind of physics subject is demonstrated with Ampere's law Experiment instrument.

Background technology

It is frequently necessary to use demonstration test instrument, the thing particularly based on experiment during classroom experiment is imparted knowledge to students Section of science.At present, when carrying out Ampere's law lecture experiment, if school is not equipped with special physics laboratory, Jiao Shixu Carrying substantial amounts of laboratory apparatus goes to classroom to carry out lecture experiment, and not only the preparation of laboratory apparatus and the process needs of arrangement expend big The time of amount, and laboratory apparatus easily damages when mobile and on-the-spot demonstration because colliding with；Drilled additionally, due to Ampere's law Show that the process of experiment is relatively simple, the duration is also shorter, is not suitable for carrying out in physics laboratory, it is only necessary to which teacher is in classroom Upper work packet demonstration can complete teaching task；In addition, traditional laboratory apparatus is very inconvenient due to carrying, teacher can not be simultaneously Carry multigroup instrument and enter classroom, student just can not undergo the process of experimental implementation, be unfavorable for students and teacher and Interaction between raw.

Therefore, it is proposed that a kind of physics subject is solved the above problems with Ampere's law demonstration test instrument.

The content of the invention

The purpose of this utility model is to solve shortcoming present in prior art, and a kind of physics subject proposed is used Ampere's law demonstration test instrument.

To achieve these goals, the utility model employs following technical scheme：

A kind of physics subject Ampere's law demonstration test instrument, including casing, case lid are hinged with the upside of the casing, institute The inside for stating casing is provided with insulated liner layer, and the insulated liner layer is provided with power slot, the groove that opens the light, bolt storage groove, small magnetic Pin accumulator tank, helical tube seat, wire accumulator tank and four small magnetic needle standing grooves, the power slot is interior to be provided with power supply, described to open the light Single-pole single-throw switch (SPST) is provided with groove, fixing bolt is provided with the bolt storage groove, is provided with the small magnetic needle accumulator tank some Individual small magnetic needle, the helical tube seat is interior to be provided with solenoid, and some connecting wires, the power supply are provided with the wire accumulator tank Both ends, the both ends of single-pole single-throw switch (SPST) and the both ends of solenoid wire wound binding post, the wiring are connected with by wire Post is embedded on collets, and the collets are embedded on insulated liner layer；Four small magnetic needle standing grooves are symmetricly set on The surrounding of helical tube seat.

Preferably, the front side of the casing is provided with lock.

Preferably, the number of the fixing bolt is no less than 6.

Preferably, the number of the small magnetic needle is no less than 4.

Preferably, the number of the connecting wire is no less than 3.

Preferably, the binding post includes a copper conductive pole, and the upper surface of the copper conductive pole is provided with consolidating Determine the screwed hole of bolt matching.

Compared with prior art, the beneficial effects of the utility model are：By setting insulated liner layer in casing, and will Power supply, single-pole single-throw switch (SPST) and solenoid are fixedly mounted on insulated liner layer in corresponding groove, are improving portable devices Property on the basis of, it is ensured that stability when equipment moves, while avoid when carrying out lecture experiment and student resource and testing, instrument Occur damage of colliding between device, effectively raise the service life of equipment；Equipment is in use, only need to be in the correct order by electricity Source, single-pole single-throw switch (SPST) and solenoid connect, and then close single-pole single-throw switch (SPST), and small magnetic needle finally is put into small magnetic needle puts Put in groove, student is by observing the directions of the N poles of small magnetic needle, you can checking Ampere's law；In addition, this Ampere's law lecture experiment Instrument is simple in construction, and not only teacher's demonstration is got up convenient, and student resource operates easier, is beneficial to improve experiment religion Efficiency.

Brief description of the drawings

Fig. 1 be the utility model proposes a kind of physics subject Ampere's law demonstration test instrument top view；

Fig. 2 be the utility model proposes a kind of physics subject Ampere's law demonstration test instrument side view.

In figure：1 casing, 2 case lids, 3 insulated liner layers, 4 power slots, 5 open the light groove, 6 bolt storage grooves, 7 small magnetic needles storage It is groove, 8 helical tube seats, 9 wire accumulator tanks, 10 small magnetic needle standing grooves, 11 power supplys, 12 single-pole single-throw switch (SPST)s, 13 fixing bolts, 14 small Needle, 15 solenoids, 16 connecting wires, 17 binding posts, 18 collets, 19 locks.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Reference picture 1-2, a kind of physics subject Ampere's law demonstration test instrument, including casing 1, the upside of casing 1 are hinged There is case lid 2, the front side of casing 1 is provided with lock 19, and it can coordinate the neck on case lid 2 that case lid 2 is pinned into fixation；Casing 1 it is interior Portion is provided with insulated liner layer 3, insulated liner layer 3 be provided with power slot 4, the groove 5 that opens the light, bolt storage groove 6, small magnetic needle accumulator tank 7, Helical tube seat 8, wire accumulator tank 9 and four small magnetic needle standing grooves 10.

The power supply 11 being made up of two section dry cells and battery bracket is provided with power slot 4, hilted broadsword list is provided with the groove 5 that opens the light Throw switch 12, bolt storage groove 6 is interior to be provided with fixing bolt 13, and the number of fixing bolt 13 is no less than 6, small magnetic needle accumulator tank 7 Interior to be provided with several small magnetic needles 14, the number of small magnetic needle 14 is no less than 4, and solenoid 15, wire storage are provided with helical tube seat 8 Some connecting wires 16 are provided with groove 9, the number of connecting wire 16 is no less than 3, it is necessary to which explanation, power slot 4, opens the light The bottom of groove 5 and helical tube seat 8 is equipped with fixed plate, and fixed plate is bonded on the bottom surface in casing 1, and if being provided with fixed plate Dry screw hole, power supply 11, single-pole single-throw switch (SPST) 12 and solenoid 15 are fixed on the fixation in corresponding groove by screw On plate.

The both ends at the both ends of power supply 11, the both ends of single-pole single-throw switch (SPST) 12 and the coiling of solenoid 15 are connected by wire There is binding post 17, specifically, binding post 17 includes a copper conductive pole, the upper surface of copper conductive pole is provided with and fixed spiral shell The screwed hole that bolt 13 matches, binding post 17 are embedded on collets 18, and collets 18 are embedded on insulated liner layer 3；It is four small Needle standing groove 10 is symmetricly set on the surrounding of helical tube seat 8.

The utility model is by setting insulated liner layer 3 in the casing 1, and by power supply 11, single-pole single-throw switch (SPST) 12 and spiral shell Spool 15 is fixedly mounted on insulated liner layer 3 in corresponding groove, it is ensured that stability when equipment moves, while avoid When carrying out lecture experiment and student resource experiment, there is damage of colliding between instrument, the effective service life for improving equipment；If It is standby in use, Faculty and Students in the correct order need to only connect power supply 11, single-pole single-throw switch (SPST) 12 and solenoid 15, Then single-pole single-throw switch (SPST) 12 is closed, finally small magnetic needle 14 is put into small magnetic needle standing groove 10, student is by observing small magnetic needle The direction of 14 N poles, you can checking Ampere's law.

It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model Within enclosing.

Claims

1. a kind of physics subject Ampere's law demonstration test instrument, including casing（1）, the casing（1）Upside be hinged with case Lid（2）, it is characterised in that the casing（1）Inside be provided with insulated liner layer（3）, the insulated liner layer（3）It is provided with electricity Source slot（4）, open the light groove（5）, bolt storage groove（6）, small magnetic needle accumulator tank（7）, helical tube seat（8）, wire accumulator tank（9）With four Individual small magnetic needle standing groove（10）, the power slot（4）It is interior to be provided with power supply（11）, the groove that opens the light（5）It is interior to be opened provided with single-pole single-throw(SPST Close（12）, the bolt storage groove（6）It is interior to be provided with fixing bolt（13）, the small magnetic needle accumulator tank（7）It is interior small provided with several Needle（14）, the helical tube seat（8）It is interior to be provided with solenoid（15）, the wire accumulator tank（9）It is interior to be led provided with some connections Line（16）, the power supply（11）Both ends, single-pole single-throw switch (SPST)（12）Both ends and solenoid（15）The both ends of coiling are logical Cross wire and be connected with binding post（17）, the binding post（17）It is embedded in collets（18）On, the collets（18）It is embedded in Insulated liner layer（3）On；Four small magnetic needle standing grooves（10）It is symmetricly set on helical tube seat（8）Surrounding.

A kind of 2. physics subject Ampere's law demonstration test instrument according to claim 1, it is characterised in that the casing （1）Front side be provided with lock（19）.

A kind of 3. physics subject Ampere's law demonstration test instrument according to claim 1, it is characterised in that the fixation Bolt（13）Number be no less than 6.

A kind of 4. physics subject Ampere's law demonstration test instrument according to claim 1, it is characterised in that the small magnetic Pin（14）Number be no less than 4.

A kind of 5. physics subject Ampere's law demonstration test instrument according to claim 1, it is characterised in that the connection Wire（16）Number be no less than 3.

A kind of 6. physics subject Ampere's law demonstration test instrument according to claim 1, it is characterised in that the wiring Post（17）Including a copper conductive pole, the upper surface of the copper conductive pole is provided with and fixing bolt（13）The screw thread of matching Hole.