CN109308833A - A kind of apparatus for demonstrating illustrating electromotive force and voltage - Google Patents
A kind of apparatus for demonstrating illustrating electromotive force and voltage Download PDFInfo
- Publication number
- CN109308833A CN109308833A CN201811300155.1A CN201811300155A CN109308833A CN 109308833 A CN109308833 A CN 109308833A CN 201811300155 A CN201811300155 A CN 201811300155A CN 109308833 A CN109308833 A CN 109308833A
- Authority
- CN
- China
- Prior art keywords
- voltage
- electromotive force
- transparent hose
- pump housing
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The present invention relates to a kind of apparatus for demonstrating for illustrating electromotive force and voltage.The apparatus for demonstrating for illustrating electromotive force and voltage includes controller, container, the pump housing, support frame, transparent hose and power show mechanism, the pump housing is set in the container, the controller and the pump housing are electrically connected, colour liquid is contained in the container, support frame as described above is arranged adjacent to the container, one end of the transparent hose is connected on the pump housing, the midfoot support of the transparent hose is on support frame as described above, the other end of the transparent hose is suspended in the air, the power shows that mechanism is arranged adjacent to support frame as described above and is located at below the transparent hose, the pump housing is for being pumped into the colour liquid into the transparent hose.The apparatus for demonstrating for illustrating electromotive force and voltage can visually show voltage and electromotive force, therefore convenient for teaching.
Description
Technical field
The present invention relates to a kind of apparatus for demonstrating for illustrating electromotive force and voltage.
Background technique
In the teaching process of electron and electrician, it is often necessary to lecture the concept of voltage and electromotive force to student.In electric field
In, electric field force work done is known as voltage when unit positive charge is shifted to low potential point by high potential point.Between the two o'clocks such as voltage
Current potential difference.In the electric field, external work is known as electromotive force when unit positive charge being shifted to high potential by low potential.
However, student is easy to cause the concept of electromotive force and voltage confused, and voltage and electromotive force are to be present in circuit
In, not intuitively, it is difficult to easily demonstrate, therefore be inconvenient to impart knowledge to students.
Summary of the invention
Based on this, it is necessary to provide a kind of apparatus for demonstrating for illustrating electromotive force and voltage convenient for teaching.
A kind of apparatus for demonstrating illustrating electromotive force and voltage, including controller, container, the pump housing, support frame, transparent hose
Mechanism is shown with power, and the pump housing is set in the container, and the controller and the pump housing are electrically connected, the appearance
Colour liquid is contained in device, support frame as described above is arranged adjacent to the container, and one end of the transparent hose is connected to the pump
On body, the midfoot support of the transparent hose is on support frame as described above, and the other end of the transparent hose is suspended in the air, institute
It states power and shows that mechanism is arranged adjacent to support frame as described above and is located at below the transparent hose, the pump housing is used for described
The colour liquid is pumped into bright hose, the transparent hose guides the colour liquid to impact the power and shows mechanism, with
The power is set to show that mechanism shows the percussion power of the colour liquid.
In a wherein embodiment, the colour liquid is mixed by water and ink.
In a wherein embodiment, the colour liquid is red liquid, and the red liquid is red to adulterate in water
Chromatic ink and formed.
In a wherein embodiment, the transparent hose includes ascent stage interconnected and warpage section, it is described on
It rises section to be connected on the pump housing, the warpage section is bent downwardly extension from support frame as described above.
In a wherein embodiment, the controller is electrically connected by cable and the pump housing, the controller
For controlling the starting, closing and power of the pump housing.
In a wherein embodiment, the power shows that mechanism includes frame body and the leaf that is set on the frame body
Wheel, the impeller are rotated by the liquid flow impact sprayed in the warpage section.
In a wherein embodiment, the power shows that mechanism is waterwheel, and the pump housing is immersed in the colored liquid
In body.
In a wherein embodiment, the surface of the ascent stage of the transparent hose is provided with dial markings.
In a wherein embodiment, support frame as described above includes support base and support rod, and the support rod is set to
In the support base, the height of the support rod is greater than the height of the container, and the midfoot support of the transparent hose is in institute
State support rod.
In a wherein embodiment, support frame as described above further includes two vertical bars, and described two vertical bars, which are respectively perpendicular, to be set
It is placed in the opposite end of the support base, the opposite end of the support rod is connected on described two vertical bars, described
Support rod is parallel to the ground.
The apparatus for demonstrating for illustrating electromotive force and voltage when in use, the controller control the pump housing starting with
The colour liquid is pumped into the transparent hose, so that the colour liquid rises, the colour liquid at this time
Upward lift corresponds to " electromotive force " and waves, the upward meaning because raising is to raise up under pump housing effect, Cheng Shilu
Journey, the meaning of distance.The gesture of electromotive force, original idea are exactly with the big ball of hand push " ball ", and what is pushed away is higher, and strength is bigger, unit positive electricity
External work claims as electromotive force when lotus shifts to high potential by low potential.Electromotive force and voltage are vectors, and electromotive force is
From negative to positive, voltage is from positive to negative.Hereafter, the colour liquid is continued to move to and is sprayed downwards from the end of institute's transparent hose
Out and power displaying mechanism is impacted, the power shows that mechanism shows the percussion power of the colour liquid, can correspond to
" voltage ", the text meaning of pressure are exactly to exert oneself downwards, hydraulic corresponding voltage.Hydraulic shock power shows that mechanism such as water wheels revolve
Turn to then correspond to voltage powering load, electric field force work done is i.e. when unit positive charge shifts to low potential point by high potential point
Referred to as voltage, by above-mentioned apparatus for demonstrating, student's energy is simple, easily, has happily learned electromotive force and electricity
The concept of pressure.And the combination of the transparent hose and the colour liquid, facilitate and shows the colour in the transparent hose
Come, improves bandwagon effect.Show that mechanism can demonstrate electromotive force and electricity respectively by the lift of the colour liquid and the power
Pressure facilitates the apparatus for demonstrating for illustrating electromotive force and voltage to be applied in teaching consequently facilitating student understands.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the apparatus for demonstrating for illustrating electromotive force and voltage of an embodiment.
Fig. 2 is that the power of an embodiment shows mechanism and returns the stereoscopic schematic diagram of liquid component.
Fig. 3 is the stereoscopic schematic diagram removed after controller for illustrating the apparatus for demonstrating of electromotive force and voltage shown in Fig. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this
Embodiment described in text.On the contrary, the purpose of providing these embodiments is that making to the disclosure understanding
It is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff it is identical.Term used herein is intended merely to description specific embodiment
Purpose, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more relevant institute's lists
Any and all combinations of purpose.
The present invention relates to a kind of apparatus for demonstrating for illustrating electromotive force and voltage.For example, electromotive force and the voltage of illustrating
Apparatus for demonstrating includes that controller, container, the pump housing, support frame, transparent hose and power show mechanism, and the pump housing is set to institute
It states in container.For example, the controller and the pump housing are electrically connected, colour liquid is contained in the container.For example, institute
It states support frame to be arranged adjacent to the container, one end of the transparent hose is connected on the pump housing, in the transparent hose
Portion is supported on support frame as described above, and the other end of the transparent hose is suspended in the air.For example, the power shows that mechanism is adjacent
Nearly support frame as described above is arranged and is located at below the transparent hose, and the pump housing is described for being pumped into the transparent hose
Colour liquid.For example, the transparent hose, which guides the colour liquid to impact the power, shows mechanism, so that the power
Show that mechanism shows the percussion power of the colour liquid.
It please refers to Fig.1 to Fig.3, a kind of apparatus for demonstrating 100 illustrating electromotive force and voltage, including controller 10, container
20, the pump housing 30, support frame 40, transparent hose 50 and power show mechanism 60, and the pump housing is set in the container, described
Controller and the pump housing are electrically connected, and contain colour liquid in the container, support frame as described above is set adjacent to the container
Set, one end of the transparent hose is connected on the pump housing, the midfoot support of the transparent hose on support frame as described above,
The other end of the transparent hose is suspended in the air, and the power shows that mechanism is arranged adjacent to support frame as described above and is located at described
Below transparent hose, the pump housing guides institute for being pumped into the colour liquid, the transparent hose into the transparent hose
It states colour liquid and impacts power displaying mechanism, so that the power shows that mechanism shows the ballistic work of the colour liquid
Rate.
The apparatus for demonstrating for illustrating electromotive force and voltage when in use, the controller control the pump housing starting with
The colour liquid is pumped into the transparent hose, so that the colour liquid rises, the colour liquid at this time
Upward lift corresponds to " electromotive force " and waves, the upward meaning because raising is to raise up under pump housing effect, Cheng Shilu
Journey, the meaning of distance.The gesture of electromotive force, original idea are exactly with the big ball of hand push " ball ", and what is pushed away is higher, and strength is bigger, unit positive electricity
External work claims as electromotive force when lotus shifts to high potential by low potential.Electromotive force and voltage are vectors, and electromotive force is
From negative to positive, voltage is from positive to negative.Hereafter, the colour liquid is continued to move to and is sprayed downwards from the end of institute's transparent hose
Out and power displaying mechanism is impacted, the power shows that mechanism shows the percussion power of the colour liquid, can correspond to
" voltage ", the text meaning of pressure are exactly to exert oneself downwards, hydraulic corresponding voltage.Hydraulic shock power shows that mechanism such as water wheels revolve
Turn to then correspond to voltage powering load, electric field force work done is i.e. when unit positive charge shifts to low potential point by high potential point
Referred to as voltage, by above-mentioned apparatus for demonstrating, student's energy is simple, easily, has happily learned electromotive force and electricity
The concept of pressure.And the combination of the transparent hose and the colour liquid, facilitate and shows the colour in the transparent hose
Come, improves bandwagon effect.Show that mechanism can demonstrate electromotive force and electricity respectively by the lift of the colour liquid and the power
Pressure facilitates the apparatus for demonstrating for illustrating electromotive force and voltage to be applied in teaching consequently facilitating student understands.
For example, the percussion power in order to show the colour liquid, the colour liquid are mixed by water and ink.
The colour liquid is red liquid, and the red liquid is to adulterate red ink in water and formed.The transparent hose includes
Ascent stage interconnected 51 and warpage section 52, the ascent stage are connected on the pump housing, and the warpage section is from the support
Extension is bent downwardly at frame.The controller is electrically connected by cable 15 and the pump housing, and the controller is for controlling institute
State the starting, closing and power of the pump housing.The power shows that mechanism includes frame body 61 and the impeller that is set on the frame body
62, the impeller is rotated by the liquid flow impact sprayed in the warpage section.For example, in one embodiment, the power is shown
Mechanism is waterwheel, and the pump housing is immersed in the colour liquid.The surface of the ascent stage of the transparent hose is provided with scale
Graticule.Since the power shows that mechanism includes impeller, pass through liquid flow impact, that is, rotatable, rotation of the warpage section
The percussion power size of liquid stream described in size, that is, indication of rotary speed, facilitates the size of demonstration " voltage ".And the dial markings
Then facilitate the size of demonstration " electromotive force ".
For example, for the ease of supporting the transparent hose, for example, the transparent hose includes fully transparent hose, half
Transparent hose and the opaque hose with stripe-like transparent region, to facilitate observation, details are not described herein.The support
Frame includes support base 41 and support rod 42, and the support rod is set in the support base, and the height of the support rod is big
In the height of the container, the midfoot support of the transparent hose is in the support rod.Support frame as described above further includes two vertical bars
43, described two vertical bars are respectively perpendicular the opposite end for being set to the support base, the opposite end difference of the support rod
It is connected on described two vertical bars, the support rod is parallel to the ground.By making the support rod parallel to the ground, and make
Its height is greater than the height of container, to facilitate the support transparent hose, the colour liquid is enabled to increase under
Drop, and then successfully show " electromotive force " and " voltage ", bandwagon effect is preferable.
For example, it is of particular importance that the frame body includes 611, two arc panels 612 of bracket and sleeve 643, the branch
Frame is fixed on one end of the support base, and described two arc panels are set to spaced reciprocally in the support base, described
The opposite sides of sleeve is individually fixed in the top of described two arc panels, the power show mechanism further include shaft 63 with
Component 64 is adjusted, the middle part of the shaft is rotationally arranged in the sleeve, and the impeller is fixed on the one of the shaft
The other end fixing sleeve at end, the shaft is equipped with squirrel-cage metal drum 640, and the sleeve is used to support the impeller and institute
Squirrel-cage metal drum is stated, the squirrel-cage metal drum and the impeller are located at the opposite end of the sleeve, described
For squirrel-cage metal drum adjacent to the bracket, the adjusting component includes screw rod 641, cross bar 642 and two magnetic stripes 643, described
Screw rod is screwed together on the bracket, and the end of the screw rod, described two magnetic stripe phases are vertically installed in the middle part of the cross bar
It is mutually arranged in parallel and is respectively at the opposite sides of the squirrel-cage metal drum, the end of described two magnetic stripes is respectively perpendicular
It is fixed on the opposite end of the cross bar.The different setting of magnetism of described two magnetic stripes.After the impeller is by the impact of liquid stream
Rotation, and then the squirrel-cage metal drum rotation is driven, the squirrel-cage metal drum rotation is to cut described two magnetic stripes
Between the magnetic line of force so that generate induced current, the induced current reacts on the squirrel-cage metal drum, thus right
The squirrel-cage metal drum generates rotary resistance.And described two magnetic stripes can be driven with respect to institute by rotating the screw rod
It also can be along the axial movement of the shaft, so that described two magnetic stripes are separate or close while stating shaft rotation
The squirrel-cage metal drum, to adjust the rotary resistance of the squirrel-cage metal drum.By the way that the squirrel-cage metal is arranged
Rotating cylinder and described two magnetic stripes, can allow student intuitively to experience the principle and electromagnetic action mechanism of motor, facilitate electricity
Sub-circuit teaching.Meanwhile the adjusting component also facilitates the revolving speed for adjusting the impeller.
For example, for the ease of collecting the liquid stream at the impeller, the apparatus for demonstrating for illustrating electromotive force and voltage is also wrapped
Liquid component 65 is included back, described time liquid component includes liquid-collecting box 651, the first support spring 652, the second support spring 653, rotation
Gear 654, first compress frame 655 and second and compress frame 656.The side of the support base is convexly equipped with installation egative film 418, institute
It states and is provided with support column 419 on installation egative film, rotating bar 417 is set on the support column, the rotating bar and the shaft are flat
Row setting, the bottom center of the liquid-collecting box are rotationally connected in the rotating bar, and the liquid-collecting box is located at the impeller
Bottom is formed with liquid collecting cavity in the liquid-collecting box, for collecting the colour liquid.The side of the liquid-collecting box passes through reflux
Hose 415 and the reservoir, the bottom of the liquid-collecting box are higher than the top of the container, the end of the return hose
Position is higher than the bottom surface of the liquid collecting cavity.First support spring is installed on spaced reciprocally with second support spring
On the installation egative film, first support spring and second support spring are located at opposite the two of the rotating bar
The top of side, the top of first support spring and second support spring is all connected to the bottom of the liquid-collecting box, with
Balancedly support the liquid-collecting box.The rotation gear is arranged adjacent to the impeller and is fixedly installed on the end of the shaft.
Described first compresses frame compresses frame and is slidingly arranged in leading truck (not shown) with described second, and the leading truck is fixed
It is connected on the installation egative film, described first, which compresses frame, compresses frame with described second and be located at the opposite of the rotating bar
Two sides, described first compresses and is formed with the first rack gear 6551 on frame, and described second compresses and be formed with the second rack gear 6561 on frame,
First rack gear and second rack gear are oppositely arranged and are engaged in the opposite sides of the rotation gear respectively.Described
One compresses frame adjacent to support frame as described above.Described first, which compresses frame, compresses the bottom of frame for compressing the liquid collecting with described second
The bottom surface of chamber.It is rotated when the rotation gear is rotated towards first direction, such as along pointer direction, the rotation gear drives
It moves described first and compresses frame decline to compress the liquid-collecting box, so that the side of the liquid-collecting box is diagonally downward, to facilitate wherein
Liquid flowed back in the container by the return flexible hose, when first rack gear is completely in below the rotation gear
When, the rotary teeth wheel dallies and it rotates the gradient that will not continue to increase the liquid-collecting box.And work as the rotation gear court
It when second direction rotates, such as is rotated in the counterclockwise direction, second compresses frame decline to compress described in the rotary teeth wheel drive
The liquid-collecting box, so that the other side of the liquid-collecting box is diagonally downward, so that liquid therein not easily passs through, described to return liquid soft
Pipe flows back in the container, when second rack gear is completely in below the rotation gear, the rotary teeth wheel idle running
And its rotation will not continue to increase the gradient of the liquid-collecting box.And first support spring and second support spring
Support then facilitate to reply equilbrium position according in the liquid collecting cavity.
For example, the equilibrium for the ease of keeping flow quantity in the liquid-collecting box, both needs to prevent liquid stream excessively from the collection
It is overflowed in liquid box, while also to prevent the liquid stream in the liquid-collecting box very few, so that ink deposition is dry and is fixed on the collection
It on the side wall of liquid box, is difficult to clean so that the liquid-collecting box is subsequent, it is therefore desirable to guarantee flow quantity in the liquid collecting cavity more
Equilibrium, for example, the described first bottom for compressing frame is provided with first arm of force and the first support end, first arm of force is laterally convex
Set on the bottom end of first rack gear, first support end is connected to the end of first arm of force, and described second compresses frame
Bottom be provided with second arm of force and the second support end, second arm of force is laterally convexly equipped in the bottom end of second rack gear, institute
The end that the second support end is connected to second arm of force is stated, first support end is used to support with second support end
In on the bottom surface of the liquid collecting cavity.For example, the length of first arm of force is less than the length of second arm of force, to adapt to
State the liquid flow impact power of impeller receiving, i.e., described first compresses frame when compressing the liquid-collecting box, and the liquid flow impact power is larger,
And described second when compressing frame and compressing the liquid-collecting box, the liquid flow impact power is smaller, passes through the length of setting first arm of force
Degree is less than the length of second arm of force, compresses power to the liquid collecting cavity so as to balance the two.
For example, being provided with gear for the ease of adjusting the flow quantity in the liquid collecting cavity on support frame as described above and setting plate 44, institute
It states and is arranged with garter spring (not shown) in the warpage section of transparent hose, described time liquid component further includes pressure spring 45, the pressure spring
Opposite end is connected to the gear and sets on plate and the set garter spring.When the controller controls the coloured silk that the pump housing pumps out
When the flow of color liquid is larger, the gravity of the colour liquid in the warpage section is larger, and then compresses the pressure spring and shrink, institute
Impeller described in the end alignment of warpage section is stated towards the side of the container, so that first supporting described in the rotary teeth wheel drive
Pressure rack compresses the liquid-collecting box towards the container lean, facilitates and biggish liquid stream rapidly flows back.And when the controller controls
When the flow for the colour liquid that the pump housing pumps out is smaller, the gravity of the colour liquid in the warpage section is smaller, the pressure spring
It extends and the warpage section is pushed to be directed at the side that the impeller is directed away from the container, the impeller passes through the rotation
Gear drives described second to compress frame and compresses the liquid-collecting box homing, or even tilts towards the side far from the container, with
Reduce the back-flow velocity of the liquid stream in the liquid-collecting box, so that a certain amount of liquid stream of the holding in the liquid-collecting box, is unlikely to dry
It dries up, solidifies the colour liquid.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but
It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of apparatus for demonstrating for illustrating electromotive force and voltage, which is characterized in that including controller, container, the pump housing, support frame,
Transparent hose and power show mechanism, and the pump housing is set in the container, and the controller and the pump housing are electrically connected,
Colour liquid is contained in the container, support frame as described above is arranged adjacent to the container, and one end of the transparent hose is connected to
On the pump housing, for the midfoot support of the transparent hose on support frame as described above, the other end of the transparent hose is suspended in sky
In, the power shows that mechanism is arranged adjacent to support frame as described above and is located at below the transparent hose, and the pump housing is used for institute
It states and is pumped into the colour liquid in transparent hose, the transparent hose guides the colour liquid to impact the power display machine
Structure, so that the power shows that mechanism shows the percussion power of the colour liquid.
2. the apparatus for demonstrating according to claim 1 for illustrating electromotive force and voltage, which is characterized in that the colour liquid by
Water and ink mix.
3. the apparatus for demonstrating according to claim 2 for illustrating electromotive force and voltage, which is characterized in that the colour liquid is
Red liquid, the red liquid are to adulterate red ink in water and formed.
4. the apparatus for demonstrating according to claim 3 for illustrating electromotive force and voltage, which is characterized in that the transparent hose packet
Ascent stage interconnected and warpage section are included, the ascent stage is connected on the pump housing, and the warpage section is from support frame as described above
Place is bent downwardly extension.
5. the apparatus for demonstrating according to claim 4 for illustrating electromotive force and voltage, which is characterized in that the controller passes through
Cable and the pump housing are electrically connected, and the controller is used to control the starting, closing and power of the pump housing.
6. the apparatus for demonstrating according to claim 5 for illustrating electromotive force and voltage, which is characterized in that the power display machine
Structure includes frame body and the impeller that is set on the frame body, and the impeller is revolved by the liquid flow impact sprayed in the warpage section
Turn.
7. the apparatus for demonstrating according to claim 6 for illustrating electromotive force and voltage, which is characterized in that the power display machine
Structure is waterwheel, and the pump housing is immersed in the colour liquid.
8. the apparatus for demonstrating according to claim 7 for illustrating electromotive force and voltage, which is characterized in that the transparent hose
The surface of ascent stage is provided with dial markings.
9. the apparatus for demonstrating according to claim 8 for illustrating electromotive force and voltage, which is characterized in that support frame as described above includes
Support base and support rod, the support rod are set in the support base, and the height of the support rod is greater than the container
Height, the midfoot support of the transparent hose is in the support rod.
10. the apparatus for demonstrating according to claim 9 for illustrating electromotive force and voltage, which is characterized in that support frame as described above is also
Including two vertical bars, described two vertical bars are respectively perpendicular the opposite end for being set to the support base, the phase of the support rod
Both ends are connected on described two vertical bars, the support rod is parallel to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300155.1A CN109308833A (en) | 2018-11-02 | 2018-11-02 | A kind of apparatus for demonstrating illustrating electromotive force and voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300155.1A CN109308833A (en) | 2018-11-02 | 2018-11-02 | A kind of apparatus for demonstrating illustrating electromotive force and voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109308833A true CN109308833A (en) | 2019-02-05 |
Family
ID=65221815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300155.1A Withdrawn CN109308833A (en) | 2018-11-02 | 2018-11-02 | A kind of apparatus for demonstrating illustrating electromotive force and voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109308833A (en) |
-
2018
- 2018-11-02 CN CN201811300155.1A patent/CN109308833A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107719177A (en) | It is a kind of can stable regulation height charging pile | |
| CN209294698U (en) | A kind of LCD PDP driving equipment | |
| CN108843915A (en) | A kind of sub- display screen rotation adjustment device of multimedia teaching | |
| CN209328330U (en) | A kind of apparatus for demonstrating illustrating electromotive force and voltage | |
| CN109308833A (en) | A kind of apparatus for demonstrating illustrating electromotive force and voltage | |
| CN208460265U (en) | A kind of physics teaching acceleration of gravity apparatus for demonstrating | |
| CN109248719A (en) | A kind of drop collection of energy and drive system based on self-power digital microfluid | |
| CN205194260U (en) | Preceding frame moving as a whole goes up and down trades drawing lamp house | |
| CN209587585U (en) | A kind of electronic information display board | |
| CN208843635U (en) | A kind of novel physical, biology laboratory Lift-on/Lift-off System | |
| CN113053213A (en) | Simple pendulum ball presentation device for physical teaching | |
| CN209271490U (en) | A kind of drop collection of energy and drive system based on self-power digital microfluid | |
| CN201796526U (en) | Multifunctional frictional force demonstrating apparatus | |
| CN207134027U (en) | Ampere force presentation device | |
| CN214663201U (en) | High-sensitivity double-sided ITO touch liquid crystal display screen | |
| CN206657549U (en) | A kind of physics teaching point discharge device | |
| CN106601088B (en) | A kind of centripetal force demonstration apparatus | |
| CN213935350U (en) | Polygonal eddy current demonstration device | |
| CN201519563U (en) | Ultrathin submerged digital-display magnetic stirrer | |
| CN208298406U (en) | A kind of Political Education of College Students Multifunctional demonstrator | |
| CN209496525U (en) | A kind of portable pendulum experiment displaying model | |
| CN208861269U (en) | Large screen is used in a kind of displaying of big data | |
| CN207233261U (en) | A kind of mathematics teaching aid for demonstrating surface of revolution | |
| CN209622335U (en) | A kind of multi-angle electronic information billboard | |
| CN209183064U (en) | A kind of presentation board for English teaching convenient for fixing and replacing word flash card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190205 |
|
| WW01 | Invention patent application withdrawn after publication |