CN206441424U - A kind of many gear electrical power demonstration instrument for teaching - Google Patents
A kind of many gear electrical power demonstration instrument for teaching Download PDFInfo
- Publication number
- CN206441424U CN206441424U CN201620333946.4U CN201620333946U CN206441424U CN 206441424 U CN206441424 U CN 206441424U CN 201620333946 U CN201620333946 U CN 201620333946U CN 206441424 U CN206441424 U CN 206441424U
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- teaching
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- electrical power
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Abstract
A kind of many gear electrical power demonstration instrument for teaching, belong to teaching aid technical field.A kind of many gear electrical power demonstration instrument for teaching, the demonstration instrument for teaching includes insulator foot, test cell, demonstration device unit, power subsystem is provided with the insulator foot, the many driving switch of duplex and resistance unit, the test cell, the demonstration device unit, the power subsystem, the many driving switch of duplex and the resistance unit are sequentially connected by being arranged on the wire inside insulator foot, teacher is in teaching demonstration, variable supply voltage value can be controlled respectively by many driving switch of duplex, can also be by changing the resistance value in experimental loop, so as to control variable current value, teacher, which only needs to manual toggle switch, can just control the variable in experiment, teacher is more facilitated to demonstrate electrical power experiment.
Description
Technical field
The utility model belongs to teaching aid technical field, and in particular to a kind of physical teaching aid for middle school.
Background technology
In the middle school classroom of prior art, middle school teacher is when teaching is related to the knowwhy of electrical power, it is necessary to make
Use experimental facilities.These experimental facilities have ammeter, voltmeter, power supply, switch etc., and these experimental facilities are all mutually solely
Vertical, Assembling connecting wire is needed in teaching experiment, can just be tested, is also needed to after experiment is completed by wire
Pull down one by one, tidy up induction-arrangement, these operation contents unrelated with the knowledge point of classroom learning waste Faculty and Students
Time, there is no the teaching equipment for solving this problem on teaching equipment.
Utility model content
In order to effectively solve the above problems, the utility model provides a kind of many gear electrical power demonstration instrument for teaching
The utility model is achieved through the following technical solutions：
A kind of many gear electrical power demonstration instrument for teaching, the demonstration instrument for teaching includes insulator foot, test cell, demonstration device
It is provided with many driving switch of power subsystem, duplex and resistance unit on unit, the insulator foot, it is the test cell, described
Demonstration device unit, the power subsystem, many driving switch of the duplex and the resistance unit are by being arranged in insulator foot
The wire in portion is sequentially connected；The power subsystem includes power supply subelement, and the power supply subelement is opened with many gears of the duplex
It is separate to close the contact being in contact, and the power supply subelement is in parallel, the electricity relative to another terminal circuit of contact
Hindering unit includes resistance subelement, and the resistance subelement is mutually solely with the contact that many driving switch of the duplex are in contact
Vertical, the resistance subelement is in parallel relative to another terminal circuit of contact.
Further, the test cell includes test current flow devices and test voltage equipment, the bottom of the insulator foot
Portion is hollow, and the wire is connected in the insulative base and turned on.
Further, it is provided with the insulator foot and test current flow devices, the test current flow devices, described
The through hole that demonstration unit, many driving switch of the duplex, the power subsystem and the resistance unit shape are mutually matched, it is described
Test voltage equipment is including but not limited to digital display voltmeter, pointer voltmeter, and the test current flow devices are to include but do not limit
In digital display ammeter, pointer ammeter.
Further, the demonstration device unit is including but not limited to experiment bulb.
The usefulness of the utility model is：
1st, the demonstration instrument for teaching overall dimensions be adapted to teacher used with hall, on classroom just can vividly, intuitively to learn
Raw demonstration electrical power experiment, allows student to grasp the knowledge point rapidly in a short time.
2nd, the demonstration instrument for teaching is due to many driving switch units of duplex on insulator foot, and teacher, can in teaching demonstration
To control variable supply voltage value respectively by many driving switch of duplex, can also by changing the resistance value in experimental loop,
So as to control variable current value, teacher, which only needs to manual toggle switch, can just control the variable in experiment, more facilitate teacher
Demonstrate electrical power experiment.
3rd, the demonstration instrument for teaching is provided with test voltage equipment and test current flow devices, can be straight in experimentation middle school student
Connect and reading is obtained from test equipment, be more prone to student's record data, simplify operating procedure, improve the efficiency of experiment.
4th, the demonstration instrument for teaching is provided with demonstration unit device unit, in experimentation, and student can be demonstrated by observing
Device unit significantly observes experimental phenomena, so that change of the electrical power with experimental variable is more intuitively experienced, from experiment
Practice process in understand knowledge point, grasp the knowledge of this respect.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1, insulator foot, 2, power subsystem, 3, test current flow devices, 4, test voltage equipment, 5, demonstration device list
Member, 6, many driving switch of duplex, 7, resistance unit.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining
The utility model, is not used to limit the utility model.
On the contrary, the utility model cover it is any be defined by the claims do in spirit and scope of the present utility model
Replacement, modification, equivalent method and scheme.Further, it is right below in order that the public has a better understanding to the utility model
It is detailed to describe some specific detail sections in detailed description of the present utility model.Do not have for a person skilled in the art
The description of these detail sections can also understand the utility model completely.
As shown in Figure 1, it is the structural representation of the embodiment of the utility model one, a kind of many gear electrical power teaching demonstrations
Instrument, the demonstration instrument for teaching includes being provided with power supply on insulator foot 1, test cell, demonstration device unit 5, the insulator foot 1
The many driving switch 6 of unit 2, duplex and resistance unit 7, the test cell, the demonstration device unit 5, the power subsystem 2,
The many driving switch 6 of duplex and the resistance unit 7 are sequentially connected by being arranged on the wire inside insulator foot 1；The religion
Learn the suitable teacher of demonstrator overall dimensions to use with hall, just can vividly, intuitively give student's demonstration electrical power real on classroom
Test, student is grasped the knowledge point rapidly in a short time.The power subsystem 2 includes power supply subelement, the power supply
Subelement is separate with the contact that many driving switch of the duplex 6 are in contact, and the power supply subelement is relative to contact
Another terminal circuit is in parallel, and the resistance unit 7 includes resistance subelement, the resistance subelement and many gears of the duplex
The contact that switch 6 is in contact is separate, and the resistance subelement is in parallel relative to another terminal circuit of contact.The religion
Demonstrator is learned due to many units of driving switch 6 of duplex on insulator foot 1, teacher, can be more by duplex in teaching demonstration
Driving switch 6 controls variable supply voltage value respectively, can also be by changing the resistance value in experimental loop, so as to control variable
Current value, teacher, which only needs to manual toggle switch, can just control the variable in experiment, more facilitate teacher to demonstrate electrical power real
Test.
In the present embodiment, the test cell includes test current flow devices 3 and test voltage equipment 4, the insulation bottom
The bottom of seat 1 is hollow, and the wire is connected in the insulative base and turned on.Be provided with the insulator foot 1 with it is described
Test current flow devices 3, the test current flow devices 3, the demonstration unit, many driving switch 6 of the duplex, the power subsystem
2 and the through hole that is mutually matched of the shape of the resistance unit 7, the test current flow devices 3 are including but not limited to digital display voltmeter,
Pointer voltmeter, the test current flow devices 3 are including but not limited to digital display ammeter, pointer ammeter.The demonstration device 5 is single
Member is including but not limited to experiment bulb.The demonstration instrument for teaching is provided with test voltage equipment 4 and test current flow devices 3, in reality
The process middle school student of testing directly can obtain reading from test equipment, be more prone to student's record data, simplify operating procedure, carry
The efficiency of height experiment.Demonstration instrument for teaching is provided with demonstration unit device unit, in experimentation, and student can be demonstrated by observing
Device unit 5 significantly observes experimental phenomena, so that change of the electrical power with experimental variable is more intuitively experienced, from experiment
Practice process in understand knowledge point, grasp the knowledge of this respect.
For the ordinary skill in the art, according to teaching of the present utility model, the utility model is not being departed from
Principle with spirit in the case of, changes, modifications, replacement and the modification carried out to embodiment still falls within of the present utility model
Within protection domain.
Claims (6)
1. a kind of many gear electrical power demonstration instrument for teaching, the demonstration instrument for teaching includes insulator foot (1), test cell, demonstration
Device unit (5), it is characterised in that：Power subsystem (2), many driving switch of duplex (6) and electricity are provided with the insulator foot (1)
Hinder unit (7), the test cell, the demonstration device unit (5), the power subsystem (2), many driving switch of the duplex
(6) it is sequentially connected with the resistance unit (7) by being arranged on the internal wire of insulator foot (1)；
The power subsystem (2) includes power supply subelement, and the power supply subelement is in contact with many driving switch of the duplex (6)
Contact be separate, the power supply subelement is in parallel, the resistance unit (7) relative to another terminal circuit of contact
Including resistance subelement, the resistance subelement is separate, institute with the contact that many driving switch of the duplex (6) are in contact
Another terminal circuit that resistance subelement is stated relative to contact is in parallel.
2. a kind of many gear electrical power demonstration instrument for teaching as claimed in claim 1, it is characterised in that：The test cell includes
Test current flow devices (3) and test voltage equipment (4).
3. a kind of many gear electrical power demonstration instrument for teaching as claimed in claim 1, it is characterised in that：The insulator foot (1)
Bottom is hollow, and the wire is connected in the insulative base and turned on.
4. a kind of many gear electrical power demonstration instrument for teaching as claimed in claim 2, it is characterised in that：The insulator foot (1)
On be provided with and it is described test current flow devices (3), the test voltage equipment (4), the demonstration device unit (5), the duplex
The through hole that many driving switch (6), the power subsystem (2) and the resistance unit (7) are mutually matched.
5. a kind of many gear electrical power demonstration instrument for teaching as claimed in claim 2, it is characterised in that：The test current flow devices
(3) it is including but not limited to digital display voltmeter, pointer voltmeter, the test voltage equipment (4) is including but not limited to digital display
Ammeter, pointer ammeter.
6. a kind of many gear electrical power demonstration instrument for teaching as claimed in claim 1, it is characterised in that：The demonstration device unit
(5) it is including but not limited to experiment bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333946.4U CN206441424U (en) | 2016-04-20 | 2016-04-20 | A kind of many gear electrical power demonstration instrument for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333946.4U CN206441424U (en) | 2016-04-20 | 2016-04-20 | A kind of many gear electrical power demonstration instrument for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441424U true CN206441424U (en) | 2017-08-25 |
Family
ID=59643946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620333946.4U Expired - Fee Related CN206441424U (en) | 2016-04-20 | 2016-04-20 | A kind of many gear electrical power demonstration instrument for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206441424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085107A (en) * | 2019-06-03 | 2019-08-02 | 黄家春 | A kind of power supply that magnetic-type physics teaching experiment uses and application method |
-
2016
- 2016-04-20 CN CN201620333946.4U patent/CN206441424U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085107A (en) * | 2019-06-03 | 2019-08-02 | 黄家春 | A kind of power supply that magnetic-type physics teaching experiment uses and application method |
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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: 20170825 Termination date: 20180420 |