CN209248866U - Digital display liquid buoyancy pressure demonstrator - Google Patents
Digital display liquid buoyancy pressure demonstrator Download PDFInfo
- Publication number
- CN209248866U CN209248866U CN201821905598.9U CN201821905598U CN209248866U CN 209248866 U CN209248866 U CN 209248866U CN 201821905598 U CN201821905598 U CN 201821905598U CN 209248866 U CN209248866 U CN 209248866U
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- demonstration
- object block
- digital display
- pedestal
- detection zone
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Abstract
The utility model discloses a kind of digital display liquid buoyancy pressure demonstrators, including demonstrating pedestal, gravity detection zone there are two being set side by side on the demonstration pedestal, correspondence is disposed with gravity sensor in each gravity detection zone, wherein a gravity detection zone is equipped with the measuring cup for containing demonstration liquid, and another gravity detection zone is equipped with the overflow cup for containing overflow liquid；The demonstration pedestal side is rotatably equipped with demonstration object block delivery device, the dispensing end hook of the demonstration object block delivery device hangs with demonstration object block, the demonstration base-plates surface is equipped with the control switch connecting with the demonstration object block delivery device, and the demonstration base-plates surface is embedded with demonstration digital display screen.On the electronic display screen, the physical equation that student can be learned according to oneself goes to verify the relationship between each data, and the relationship between buoyancy, pressure and liquid is understood more intuitively for the display of each clear data of measurement.
Description
Technical field
The utility model relates to relationships between a kind of demonstration instrument for physical phenomenon more particularly to a kind of buoyancy, pressure and liquid
Physics demonstration instrument.
Background technique
Students aid in the teaching aid and experimental provision of teaching when learning book knowledge, to the reason for deepening knowledge
Solution and grasp have great help, and for the student of the relevant knowledges such as first study buoyancy, pressure, physics is with hall
Experimental provision is very necessary.And in existing physical teaching aid it is mostly the relationship between demonstrating floating force and displacement, still
Lack the teaching aid that can explain relationship between buoyancy and pressure, teacher otherwise fully rely on book knowledge impart knowledge to students or
Oneself make some nonstandard Self-made Realias to help student to understand, either the reliability of teaching aid and actual teaching mesh
Ideal effect is all not achieved.
Utility model content
The technical problem to be solved by the utility model is to provide one kind verified by electronic instrument measurement data buoyancy,
The digital display liquid buoyancy pressure demonstrator of relationship between pressure.
In order to solve the above technical problems, the technical solution of the utility model is: digital display liquid buoyancy pressure demonstrator, packet
Demonstration pedestal is included, is set side by side on the demonstration pedestal there are two gravity detection zone, correspondence is disposed in each gravity detection zone
Gravity sensor, wherein a gravity detection zone is equipped with the measuring cup for containing demonstration liquid, another gravity detection zone
Equipped with the overflow cup for containing overflow liquid；The demonstration pedestal side is rotatably equipped with demonstration object block delivery device, described
The dispensing end hook of demonstration object block delivery device hangs with demonstration object block, and the demonstration base-plates surface is equipped with to be thrown with the demonstration object block
The control switch of device connection is put, the demonstration base-plates surface is embedded with demonstration digital display screen.
The demonstration pedestal includes base body as a preferred technical solution, is packaged with electric power storage in the base body
Pond, microprocessor, memory, hard disk and system bus, the microprocessor are respectively connected to each gravity sensor and described
Demonstrate digital display screen.
The gravity detection zone is the cup body locating slot set on the base body top surface as a preferred technical solution,.
The demonstration object block delivery device includes being installed on the demonstration pedestal to turn as a preferred technical solution,
Disk is fixedly installed with column on the turntable, and the column top is equipped with transverse arm, and fixed pulley, institute are equipped on the transverse arm
It states and is wound with rope on fixed pulley, tension measuring appliance is provided on the rope, is drilled described in the tension measuring appliance lower end hook
Show object block.
The turntable is sequentially connected with rotating blade drive as a preferred technical solution,；
The rotating blade drive includes the driving motor being packaged in the demonstration pedestal, and the driving motor passes through tooth
To the turntable, the driving motor is electrically connected to the control switch for wheel transmission connection.
The coiling handle connecting with the fixed pulley is rotatably equipped on the transverse arm as a preferred technical solution,.
As improvement to above-mentioned technical proposal, the demonstration object block includes the object block body with hollow cavity, described
Object block body is equipped with the counterweight that can be opened and launches lid, and the counterweight launches lid periphery and the object block body sealed set,
Top surface, bottom surface and at least one side of the object block body are embedded with pressure sensor, the pressure sensor signal connection
To the microprocessor.
By adopting the above-described technical solution, digital display liquid buoyancy pressure demonstrator, including demonstration pedestal, the demonstration
It is set side by side on pedestal there are two gravity detection zone, correspondence is disposed with gravity sensor in each gravity detection zone, wherein an institute
It states gravity detection zone to be equipped with for containing the measuring cup for demonstrating liquid, another gravity detection zone is equipped with for containing overflow liquid
Overflow cup；The demonstration pedestal side is rotatably equipped with demonstration object block delivery device, the throwing of the demonstration object block delivery device
It puts end hook and hangs with demonstration object block, the demonstration base-plates surface is equipped with the control connecting with the demonstration object block delivery device and opens
It closes, the demonstration base-plates surface is embedded with demonstration digital display screen.The beneficial effects of the utility model are: each clear data of measurement
On the electronic display screen, the physical equation that student can be learned according to oneself goes to verify the relationship between each data, more directly for display
The relationship of sight understood between buoyancy, pressure and liquid.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In figure: 1- demonstrates pedestal；2- gravity detection zone；3- measuring cup；4- overflow cup；5- demonstrates object block delivery device；6- is drilled
Show object block；7- control switch；8- demonstrates digital display screen；11- turntable；12- column；13- transverse arm；14- fixed pulley；15- rope；16-
Tension measuring appliance；17- pressure sensor.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1, digital display liquid buoyancy pressure demonstrator, including pedestal 1 is demonstrated, on the demonstration pedestal 1 side by side
If correspondence is disposed with gravity sensor in each gravity detection zone 2 there are two gravity detection zone 2, wherein a gravity inspection
It surveys area 2 to be equipped with for containing the measuring cup 3 for demonstrating liquid, another gravity detection zone 2 is equipped with for containing overflowing for overflow liquid
Flow cup 4；1 side of demonstration pedestal is rotatably equipped with demonstration object block delivery device 5, the throwing of the demonstration object block delivery device 5
It puts end hook and hangs with demonstration object block 6, demonstration 1 surface of pedestal is equipped with the control connecting with the demonstration object block delivery device 5
Switch 7,1 surface of demonstration pedestal is embedded with demonstration digital display screen 8.It is drilled when by the demonstration object block delivery device 5 by described
When showing that object block 6 is placed in the measuring cup 3, due to the effect of buoyancy, partially liq is had in the measuring cup 3 and is overflowed into the overflow cup
4, the gravity sensor corresponding with the overflow cup 4 can detect the weight information of the part overflow liquid, and be transferred to institute
Demonstration pedestal 1 is stated, is shown after being handled weight information by the demonstration pedestal 1 by the demonstration digital display screen 8, for teacher
Raw reference uses.
The demonstration pedestal 1 includes base body, and battery, microprocessor, memory, hard is packaged in the base body
Disk and system bus, the microprocessor are respectively connected to each gravity sensor and the demonstration digital display screen 8, micro- place
Reason device is used to receive the weight parameter signal of the measuring cup 3 and the overflow cup 4, and passes through the demonstration digital display screen by processing
8 are shown.The conventional controls components such as power switch 9 are additionally provided on the demonstration pedestal 1, for controlling demonstration pedestal 1
The working condition of interior each section electronic device.
The gravity detection zone 2 is the cup body locating slot set on the base body top surface.The cup body locating slot can
Fixed cup body position, preventing cup body in experimentation from toppling over may be to the damage of demonstration pedestal 1.Meanwhile the fixation of cup body is to drilling
That shows 6 position of object block maintains certain benefit, will not change the position of the demonstration object block 6 because cup is encountered, in turn
Avoid the variation for leading to measurement result due to extraneous factor.
The demonstration object block delivery device 5 includes being installed on the turntable 11 demonstrated on pedestal 1, solid on the turntable 11
Dingan County is equipped with column 12, and 12 top of column is equipped with transverse arm 13, fixed pulley 14 is equipped on the transverse arm 13, described to determine cunning
It is wound with rope 15 on wheel 14, tension measuring appliance 16 is provided on the rope 15,16 lower end of tension measuring appliance hooks institute
State demonstration object block 6.The turntable 11 can drive the column 12 to rotate, thus just by the measuring cup 3 by the rope 15
Top is rotated to the outside of the demonstration pedestal 1, the demonstration object block 6 easy to disassemble.
The turntable 11 is sequentially connected with rotating blade drive；The rotating blade drive includes being packaged in the demonstration base
Driving motor in seat 1, the driving motor are connected to the turntable 11 by gear drive, and the driving motor is electrically connected to
The control switch 7.It can control the driving motor positive and negative rotation by the control switch 7 and stop operating, be used for and institute
The cooperation of turntable 11 is stated, direction of rotation and the stop position of the column 12 are controlled, in order to carry out the corresponding demonstration object block 6
Disassembling operations.
The coiling handle connecting with the fixed pulley 14 is rotatably equipped on the transverse arm 13.When by the demonstration object block 6
When being placed in the measuring cup 3, the rope 15 is in tensional state.After demonstration, need the demonstration object block 6 from the amount
It is taken out in cup 3, needs the rope 15 to pack up, the coiling handle can be rotated at this time, institute is driven by the coiling handle
The rotation of fixed pulley 14 is stated, in the rope 15 winding to the fixed pulley 14, will be convenient for rotating the column 12 to the demonstration
The side of pedestal 1 carries out demonstration object block 6 described in disassembling, assembling and replacing.In presentation process, the rotation of the coiling handle can be passed through
Turn, rope 15 described in folding and unfolding, to drive the demonstration object block 6 constantly to change position in the measuring cup 3, with this demonstrating floating force
With the movement of object, static unrelated, but this operation must operate by a small margin, prevent the fluid change in the measuring cup 3 excessive
And it overflows into the overflow cup 4.
The demonstration object block 6 includes the object block body with hollow cavity, and the object block body is equipped with and can open
Counterweight launches lid, and the counterweight launches lid periphery and the object block body sealed set, the top surface of the object block body, bottom surface and
At least one side is embedded with pressure sensor 17, and 17 signal of pressure sensor is connected to the microprocessor.It is described to drill
Show that the constant volume of object block 6 provides convenience to measure each data, the counterweight of different weight can be such that the demonstration object block 6 is suspended in
Different depth in the measuring cup 3, to help student to understand that buoyancy is unrelated with depth by demonstration.
Microprocessor can the data such as collecting sensor measurement obtained gravity, pressure, pass through demonstration digital display screen 8 and show.
The definition of buoyancy is that F floats=G row, i.e. buoyancy of object is equal to the gravity that liquid is arranged when object sinks, and calculating can be derived with it
Formula F floats=ρ liquid gV row out.The object pressure that lower surface is subject in a liquid is greater than the object pressure that upper surface is subject in a liquid
Power, so resultant force is that-F is downward upwards by F, the reason is that liquid internal has pressure to all directions, then object upper surface by
Liquid gives its a downward pressure, and one by liquid to it of object lower upwards pressure.Due to of the same race
In liquid, depth is bigger, and pressure is bigger, so what the pressure that object lower is subject to was subject to it is obvious to be greater than object upper surface
Pressure, so being that-F is downward upwards by F.Various data are mutually confirmed after calculating with the data of display, can allow student more
Intuitively understand the relationship of each data.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. digital display liquid buoyancy pressure demonstrator, it is characterised in that: including demonstrating pedestal, be equipped with side by side on the demonstration pedestal
Two gravity detection zones, correspondence is disposed with gravity sensor in each gravity detection zone, wherein a gravity detection zone is set
There is the measuring cup for containing demonstration liquid, another Gravity observation area is equipped with the overflow cup for containing overflow liquid；It is described
Demonstration pedestal side is rotatably equipped with demonstration object block delivery device, and the dispensing end hook of the demonstration object block delivery device hangs with demonstration
Object block, the demonstration base-plates surface are equipped with the control switch connecting with the demonstration object block delivery device, the demonstration pedestal
Surface is embedded with demonstration digital display screen.
2. digital display liquid buoyancy pressure demonstrator as described in claim 1, it is characterised in that: the demonstration pedestal includes base
Seat ontology is packaged with battery, microprocessor, memory, hard disk and system bus, the microprocessor point in the base body
It is not connected to each gravity sensor and the demonstration digital display screen.
3. digital display liquid buoyancy pressure demonstrator as claimed in claim 2, it is characterised in that: the gravity detection zone is to set
Cup body locating slot in the base body top surface.
4. digital display liquid buoyancy pressure demonstrator as described in claim 1, it is characterised in that: the demonstration object block launches dress
The turntable including being installed on the demonstration pedestal is set, is fixedly installed with column on the turntable, the column top is equipped with
Transverse arm is equipped with fixed pulley on the transverse arm, rope is wound on the fixed pulley, is provided with tension measurement on the rope
Instrument, the tension measuring appliance lower end hook the demonstration object block.
5. digital display liquid buoyancy pressure demonstrator as claimed in claim 4, it is characterised in that: the turntable is sequentially connected with
Rotating blade drive；
The rotating blade drive includes the driving motor being packaged in the demonstration pedestal, and the driving motor is passed by gear
Dynamic to be connected to the turntable, the driving motor is electrically connected to the control switch.
6. digital display liquid buoyancy pressure demonstrator as claimed in claim 4, it is characterised in that: be rotatablely installed on the transverse arm
There is the coiling handle connecting with the fixed pulley.
7. digital display liquid buoyancy pressure demonstrator as claimed in claim 2, it is characterised in that: the demonstration object block includes band
There is the object block body of hollow cavity, the object block body is equipped with the counterweight that can be opened and launches lid, and the counterweight launches lid week
Side and the object block body sealed set, top surface, bottom surface and at least one side of the object block body are embedded with pressure sensing
Device, the pressure sensor signal are connected to the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905598.9U CN209248866U (en) | 2018-11-19 | 2018-11-19 | Digital display liquid buoyancy pressure demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905598.9U CN209248866U (en) | 2018-11-19 | 2018-11-19 | Digital display liquid buoyancy pressure demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209248866U true CN209248866U (en) | 2019-08-13 |
Family
ID=67529818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821905598.9U Expired - Fee Related CN209248866U (en) | 2018-11-19 | 2018-11-19 | Digital display liquid buoyancy pressure demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209248866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885206A (en) * | 2020-10-13 | 2021-06-01 | 苏州巴涛信息科技有限公司 | Buoyancy demonstration teaching aid for physical experiment |
| CN113240981A (en) * | 2021-05-11 | 2021-08-10 | 湖州师范学院 | Operation method for combination measurement and data verification physical basis thereof |
| CN113436523A (en) * | 2021-07-01 | 2021-09-24 | 内蒙古鸿德文理学院 | Hydraulic transmission teaching training device |
-
2018
- 2018-11-19 CN CN201821905598.9U patent/CN209248866U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885206A (en) * | 2020-10-13 | 2021-06-01 | 苏州巴涛信息科技有限公司 | Buoyancy demonstration teaching aid for physical experiment |
| CN113240981A (en) * | 2021-05-11 | 2021-08-10 | 湖州师范学院 | Operation method for combination measurement and data verification physical basis thereof |
| CN113436523A (en) * | 2021-07-01 | 2021-09-24 | 内蒙古鸿德文理学院 | Hydraulic transmission teaching training device |
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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: 20190813 Termination date: 20201119 |