CN209461006U - A kind of experimental teaching model of cobalt of polarization phenomena - Google Patents
A kind of experimental teaching model of cobalt of polarization phenomena Download PDFInfo
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- CN209461006U CN209461006U CN201821440258.3U CN201821440258U CN209461006U CN 209461006 U CN209461006 U CN 209461006U CN 201821440258 U CN201821440258 U CN 201821440258U CN 209461006 U CN209461006 U CN 209461006U
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- load
- carrier film
- power supply
- film frame
- parallel flat
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Abstract
The utility model relates to a kind of experimental teaching model of cobalt of polarization phenomena, including parallel flat electric field, high voltage power supply, carrier film frame, pedestal, parallel flat electric field is made of two blocks of steel plates being vertically arranged, two pieces of steel plate low side connections are on the base, pedestal between two blocks of steel plates is equipped with carrier film frame, and the carrier film frame is made of load-carrying ring and insulating support, and insulating support bottom is fixed on the base, top is connected with load-carrying ring, and load-carrying ring is horizontally disposed；High voltage power supply is connected to carrier film frame and parallel flat field respectively, can adjust in carrier film frame with the Current Voltage of parallel flat field to load.Advantage is: reasonable integral structure, strong operability, low in cost, can be directly used for teaching practice, is convenient for teaching demonstration, can observe that molecule is polarized generated phenomenon in liquid film by shirtsleeve operation, can be more convenient student and intuitively go understanding polarization phenomena.
Description
Technical field
The utility model relates to a kind of physical phenomenon teaching modes, and in particular to a kind of experimental teaching mould of polarization phenomena
Type.
Background technique
In daily life, especially in teaching field, the phenomenon that people are polarized substance due to by external influence, do not have
There is a kind of effective mode to go to explain, theoretic is often only rested on for the understanding and cognition of polarization phenomena.Shortcomings
Place: theoretical explanation substance can be polarized under certain condition, qualitatively described polarization phenomena, only resided on paper,
And it cannot really observe the phenomenon that substance polarization generates.
Summary of the invention
In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a kind of experimental teaching moulds of polarization phenomena
Type, structure is simple, facilitates demonstration, can observe by the naked eye polarization phenomena.
To achieve the above object, the utility model is achieved through the following technical solutions:
A kind of experimental teaching model of cobalt of polarization phenomena, including parallel flat electric field, high voltage power supply, carrier film frame, pedestal,
Parallel flat electric field is made of two blocks of steel plates being vertically arranged, and two pieces of steel plate low sides connect on the base, between two blocks of steel plates
Pedestal is equipped with carrier film frame, and the carrier film frame is made of load-carrying ring and insulating support, and insulating support bottom is fixed
On the base, top is connected with load-carrying ring, and load-carrying ring is horizontally disposed；High voltage power supply is connected to carrier film frame and parallel flat respectively
Electric field can be adjusted load in carrier film frame with the Current Voltage of parallel flat field.
The load-carrying ring is circle or rectangular, and load-carrying ring is made of insulation division and conductive part, insulation division and conductive part week
To being uniform staggered with, the quantity of insulation division and conductive part is even number.
The pedestal is equipped with sliding rail, and parallel flat electric field is slidably connected by sliding rail and pedestal.
The working range of the high voltage power supply is 0~5000V, 0~1mA.
The high voltage power supply is connected to the output end of DC power supply.
Compared with prior art, the utility model has the beneficial effects that
The experimental teaching model of cobalt reasonable integral structure of polarization phenomena, it is strong operability, low in cost, it can be directly used for imparting knowledge to students
Practice is convenient for teaching demonstration, can observe that molecule is polarized generated phenomenon in liquid film by shirtsleeve operation, can be more square
Just student intuitively goes understanding polarization phenomena.The utility model manufactures non-contact blender, medicine dredging vascellum and micro- in industry
There is certain application prospect in the fields such as cake core manufacture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of high voltage power supply.
Fig. 3 is the structural schematic diagram of insulating support.
Fig. 4 is the structural schematic diagram one of load-carrying ring.
Fig. 5 is the structural schematic diagram two of load-carrying ring.
In figure: 1- parallel flat electric field 2- pedestal 3- carrier film frame 4- conducting wire 5- insulating support 6- high voltage power supply
7- sliding rail 8- insulation division 9- conductive part.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings of the specification, it should be noted that the utility model
Implement embodiment not limited to the following.
See Fig. 1-Fig. 3, a kind of experimental teaching model of cobalt of polarization phenomena, including parallel flat electric field 1, high voltage power supply 6, carrying
Film frame 3, pedestal 2, parallel flat electric field 1 are made of two blocks of steel plates being vertically arranged, and two pieces of steel plate low sides are connected to pedestal 2
On, two blocks of steel plates are able to carry out relative motion in the case where not changing relative area, and are separately connected absolutely on two blocks of steel plates
Edge conducting wire 4.Pedestal 2 between two blocks of steel plates is equipped with carrier film frame 3；Carrier film frame 3 is by load-carrying ring and 5 groups of insulating support
At 5 bottom of insulating support is fixed on the base 2, and top is connected with load-carrying ring, and load-carrying ring is horizontally disposed；The output of high voltage power supply 6
Hold and be connected with one block of steel plate of parallel flat electric field 1, carrier film frame 3, the low-pressure end of high voltage power supply 6 ground connection, and with 2 phase of pedestal
To separation, the working range of high voltage power supply 6 is 0~5000V (potentiometer adjustings), 0~1mA, and high voltage power supply 6 can held to loading
Film carrier frame 3 is adjusted with the Current Voltage of parallel flat field 1.
Wherein, load-carrying ring is round or rectangular, and load-carrying ring is made of insulation division 8 and conductive part 9, insulation division 8 and conductive part 9
Circumferentially staggered uniformly distributed, the quantity of insulation division and conductive part is even number, it is ensured that the part being oppositely arranged is insulation division 8 or conductive part
9, see Fig. 3, Fig. 4.See Fig. 1, insulating support 5 is made of two fixed insulation columns on the base 2, opposite at the top of two columns
It is arranged fluted, for installing load-carrying ring, load-carrying ring can be replaced as needed.Pedestal 2 is equipped with sliding rail 7, parallel flat electric field 1
It is slidably connected by sliding rail 7 and pedestal 2, can be by one piece of Interal fixation on the base 2, another block of steel plate, which passes through, to be fixed thereon
Pulley is slidably connected with the sliding rail 7 for being fixed on pedestal 2, and the spacing of two blocks of steel plates is adjusted with this.Parallel flat electric field 1 is stainless
Steel material, pedestal 2 are isolation material.When installation, the output end of high voltage power supply 6 connects one block of steel plate of parallel flat electric field 1 respectively
It is grounded with the low-pressure end of the conductive part 9 of load-carrying ring, high voltage power supply 6, the voltage value of the output of high voltage power supply 6, current value is adjustable.High pressure
Power supply 6 can choose the power supply of following parameter, and parameter list is shown in Table 1.
Table 1
The principle of this experimental teaching model of cobalt is that liquid film is placed in the electric field for being parallel to liquid film face and leads to the upper electricity through liquid film
Stream, liquid film can be rotated using vertical film surface as shaft.
For the sake of security, before access failure power supply, the power switch of high voltage power supply 6 must be placed in closed state, electricity
The adjustable value of galvanic electricity pressure is adjusted to minimum value.
See Fig. 1-Fig. 3, this experimental teaching model of cobalt in use, specifically includes the following steps:
1) insulated conductor 4 on parallel flat electric field 1 is connected to 6 voltage output end of high voltage power supply.
2) insulated conductor 4 for being connected to 3 load-carrying ring of carrier film frame is connected to 6 current output terminal of high voltage power supply, high-voltage electricity
The ground terminal in source 6 is grounded.
3) power supply line of high voltage power supply 6 is connected into power supply.
4) by liquid film transition on the load-carrying ring of carrier film frame 3.
5) power switch for opening high voltage power supply 6, suitably adjusts the amplitude of Current Voltage from small to large, adjusts parallel flat
Relative distance between two plates of electric field 1, until reaching a certain threshold value, when external electric field (Eext) or electrophoretic voltage (Uel) are super
Some threshold value (while another is not zero) is crossed, the molecule in liquid film is polarized, and is generated polarization phenomena, can be led under natural light
It crosses and is observed visually.
Because the viscosity resistance of the liquid film crossed every time is different, under different voltage of power value working conditions, make point in liquid film
Son is polarized, and the threshold value of corresponding Current Voltage is then different, therefore, when being tested with this experimental teaching model of cobalt, Current Voltage
Adjusting should be since minimum value, and be gradually increased, until stable appearance polarization phenomena.For safety, it not touch
The non-insulated portion of crash device and engaging portion.
Soap film can be used in liquid film, and voltage regulator is connected between device and power supply, adjusts different voltage value realizations pair
The different demands of electric field.
This experimental teaching model of cobalt goes more intuitively to explain polarized experimental phenomena from visual level, more traditional spoken solution
It releases more easy-to-understand with theory analysis, solves polarization phenomena experimental provision from scratch.The model structure is simple, at low cost
Honest and clean, strong operability can preferably combine actual conditions investment related physical teaching.With wide teaching and practical application
Prospect.
Claims (5)
1. a kind of experimental teaching model of cobalt of polarization phenomena, which is characterized in that including parallel flat electric field, high voltage power supply, carrier film
Frame, pedestal, parallel flat electric field are made of two blocks of steel plates being vertically arranged, and two pieces of steel plate low sides connect on the base, and two pieces
Pedestal between steel plate is equipped with carrier film frame, and the carrier film frame is made of load-carrying ring and insulating support, insulation branch
Frame bottom is fixed on the base, and top is connected with load-carrying ring, and load-carrying ring is horizontally disposed；High voltage power supply is connected to carrier film frame respectively
With parallel flat field, load can be adjusted in carrier film frame with the Current Voltage of parallel flat field.
2. a kind of experimental teaching model of cobalt of polarization phenomena according to claim 1, which is characterized in that the load-carrying ring is
Round or rectangular, load-carrying ring is made of insulation division and conductive part, and insulation division is circumferentially staggered uniformly distributed with conductive part, insulation division and conduction
The quantity in portion is even number.
3. a kind of experimental teaching model of cobalt of polarization phenomena according to claim 1, which is characterized in that set on the pedestal
There is sliding rail, parallel flat electric field is slidably connected by sliding rail and pedestal.
4. a kind of experimental teaching model of cobalt of polarization phenomena according to claim 1, which is characterized in that the high voltage power supply
Working range be 0~5000V, 0~1mA.
5. a kind of experimental teaching model of cobalt of polarization phenomena according to claim 1, which is characterized in that the high voltage power supply
It is connected to the output end of DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440258.3U CN209461006U (en) | 2018-09-04 | 2018-09-04 | A kind of experimental teaching model of cobalt of polarization phenomena |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440258.3U CN209461006U (en) | 2018-09-04 | 2018-09-04 | A kind of experimental teaching model of cobalt of polarization phenomena |
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| Publication Number | Publication Date |
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| CN209461006U true CN209461006U (en) | 2019-10-01 |
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| CN201821440258.3U Active CN209461006U (en) | 2018-09-04 | 2018-09-04 | A kind of experimental teaching model of cobalt of polarization phenomena |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806436A (en) * | 2018-09-04 | 2018-11-13 | 辽宁科技大学 | A kind of experimental teaching model of cobalt and application method of polarization phenomena |
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2018
- 2018-09-04 CN CN201821440258.3U patent/CN209461006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806436A (en) * | 2018-09-04 | 2018-11-13 | 辽宁科技大学 | A kind of experimental teaching model of cobalt and application method of polarization phenomena |
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