CN206564071U - A kind of mechanics experiment instrument - Google Patents
A kind of mechanics experiment instrument Download PDFInfo
- Publication number
- CN206564071U CN206564071U CN201720211803.0U CN201720211803U CN206564071U CN 206564071 U CN206564071 U CN 206564071U CN 201720211803 U CN201720211803 U CN 201720211803U CN 206564071 U CN206564071 U CN 206564071U
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- China
- Prior art keywords
- casing
- microprocessor
- drawstring
- pulley
- experiment instrument
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Abstract
The utility model belongs to instructional device technical field, discloses a kind of mechanics experiment instrument, including casing, and the upper surface of casing, which is bolted, is provided with chute, and sliding block is movably installed with chute；It is installed by welding with the right side of casing on pulley, pulley and is wound with drawstring, the front end of drawstring is connected with sliding block, the end of drawstring is connected with Weight box；Inlayed on the right side wall of casing and grating scale is installed, the inner vertical of casing is provided with the acceleration transducer matched with grating scale；The inside of casing, which is bolted, is provided with microprocessor, and the surface inserting of casing is provided with display.By depositing the counterweight of different weight in Weight box, the freely falling body of Weight box is realized, the free-fall velocity of Weight box is detected by acceleration transducer and transmitted to microprocessor, microprocessor is shown after handling signal by display；Experimentation is simple, and intuitively, facilitates student to the profound understanding of falling, improve quality of instruction.
Description
Technical field
The utility model belongs to instructional device technical field, more particularly to a kind of mechanics experiment instrument.
Background technology
At present, existing Middle School Physics mechanics teaching and laboratory apparatus are mostly indirect using length, quality, time etc. is measured
Method is obtained by calculating, and is unable to direct measurement；In teaching and experimentation, such indirect method is unfavorable for
The experience of raw visual pattern, in turn results in student and some theorems is unable to profound understanding, influence quality of instruction.
In summary, the problem of prior art is present be：Using measurement indirectly more than existing Middle School Physics Mechanical Data, no
Beneficial to the experience to student's visual pattern, in turn result in student and some theorems are unable to profound understanding, influence quality of instruction.
The content of the invention
The problem of existing for prior art, the utility model provides a kind of mechanics experiment instrument.
The utility model is achieved in that a kind of mechanics experiment instrument includes casing, and the upper surface of casing is solid by bolt
Dingan County is equipped with chute, chute and is movably installed with sliding block；It is installed by welding with the right side of casing on pulley, pulley and is wound with drawstring,
The front end of drawstring is connected with sliding block, and the end of drawstring is connected with Weight box；
Inlayed on the right side wall of casing and grating scale is installed, the inner vertical of casing is provided with and adding that grating scale matches
Velocity sensor；The inside of casing, which is bolted, is provided with microprocessor, and the surface inserting of casing is provided with display；
The signal output part of acceleration transducer is electrically connected with microprocessor, the signal output part and display of microprocessor
Electrical connection.
Further, the inside of the casing is provided with battery, and battery passes through protective relaying device and external power source phase
Connection；The back side of casing, which is also bolted, is provided with solar panels, and power output end and the battery of solar panels are electrically connected
Connect.
Further, speed probe, signal output part and the microprocessor electricity of speed probe are set with the pulley
Connection.
Advantage of the present utility model and good effect are：The mechanics experiment instrument in Weight box by depositing different weight
Counterweight, realizes the freely falling body of Weight box, detects the free-fall velocity of Weight box by acceleration transducer and transmits to micro-
Processor, microprocessor is shown after handling signal by display；Experimentation is simple, and intuitively, it is convenient
Student improves quality of instruction to the profound understanding of falling.
Brief description of the drawings
Fig. 1 is the structural representation for the mechanics experiment instrument that the utility model embodiment is provided；
In figure：1st, casing；2nd, acceleration transducer；3rd, microprocessor；4th, grating scale；5th, chute；6th, pulley；7th, counterweight
Box；8th, sliding block；9th, display.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated, and coordinate
Accompanying drawing describes in detail as follows.
Structure of the present utility model is explained in detail below in conjunction with the accompanying drawings.
Mechanics experiment instrument includes casing 1, and the upper surface of casing 1, which is bolted, is provided with chute 5, movable in chute 5
Sliding block 8 is installed；The right side of casing 1, which is installed by welding with pulley 6, pulley 6, is wound with drawstring, and front end and the sliding block 8 of drawstring connect
Connect, the end of drawstring is connected with Weight box 7；
Inlayed on the right side wall of casing 1 and grating scale 4 is installed, the inner vertical of casing 1 is provided with to match with grating scale 4
Acceleration transducer 2；The inside of casing 1, which is bolted, is provided with microprocessor 3, and the surface inserting of casing 1 is provided with
Display 9；
The signal output part of acceleration transducer 2 is electrically connected with microprocessor 3, and the signal output part of microprocessor 3 is with showing
Show that device 9 is electrically connected.
Further, the inside of the casing 1 is provided with battery, and battery passes through protective relaying device and external power source phase
Connection；The back side of casing 1, which is also bolted, is provided with solar panels, and power output end and the battery of solar panels are electrically connected
Connect.
Further, speed probe, signal output part and the microprocessor 3 of speed probe are set with the pulley 6
Electrical connection.
Operation principle of the present utility model：The counterweight of different weight is put into Weight box 7, equally by the weight of different weight
Pile up on sliding block 8, the movement of falling object of Weight box 7 is realized respectively, Weight box 7 will drag sliding block 8 during decline
Moved along chute 5.The movement locus of Weight box 7 is detected by grating scale 4, and Weight box 7 is detected by acceleration transducer 2
Falling speed, detection signal is transmitted to microprocessor 3, microprocessor 3 is transmitted to display 9 after handling signal and carried out
Display directly perceived, student can more comprehensively understand the process of falling by display 9.Pass through protective relaying device and external electrical
Source is connected as storage battery power supply, can be also storage battery power supply by solar panels, improve the electric power safeguard of experimentation.Counterweight
Box 7 will be rotated, speed probe is detected to the velocity of rotation of pulley 6, and is transmitted during decline with movable pulley 6
Exported to microprocessor 3, and by display 9, each item data in experimentation is more comprehensively shown；Study print is deepened
As improving quality of instruction
Described above is only, to preferred embodiment of the present utility model, not to make any formal to the utility model
Limitation, it is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations with
Modification, is belonged in the range of technical solutions of the utility model.
Claims (3)
1. a kind of mechanics experiment instrument, it is characterised in that the mechanics experiment instrument includes casing, the upper surface of casing is solid by bolt
Dingan County is equipped with chute, chute and is movably installed with sliding block；It is installed by welding with the right side of casing on pulley, pulley and is wound with drawstring,
The front end of drawstring is connected with sliding block, and the end of drawstring is connected with Weight box；
Inlayed on the right side wall of casing and grating scale is installed, the inner vertical of casing is provided with the acceleration matched with grating scale
Sensor；The inside of casing, which is bolted, is provided with microprocessor, and the surface inserting of casing is provided with display；
The signal output part of acceleration transducer is electrically connected with microprocessor, and signal output part and the display of microprocessor are electrically connected
Connect.
2. mechanics experiment instrument as claimed in claim 1, it is characterised in that the inside of the casing is provided with battery, battery
It is connected by protective relaying device with external power source；The back side of casing, which is also bolted, is provided with solar panels, the sun
The power output end of energy plate is connected with storage battery.
3. mechanics experiment instrument as claimed in claim 1, it is characterised in that speed probe is set with the pulley, rotating speed is passed
The signal output part of sensor is electrically connected with microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211803.0U CN206564071U (en) | 2017-03-07 | 2017-03-07 | A kind of mechanics experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211803.0U CN206564071U (en) | 2017-03-07 | 2017-03-07 | A kind of mechanics experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206564071U true CN206564071U (en) | 2017-10-17 |
Family
ID=60031971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211803.0U Expired - Fee Related CN206564071U (en) | 2017-03-07 | 2017-03-07 | A kind of mechanics experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206564071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107886816A (en) * | 2017-12-04 | 2018-04-06 | 宝鸡文理学院 | A kind of physical mechanics demo system |
| CN107945628A (en) * | 2017-11-09 | 2018-04-20 | 西京学院 | A kind of Physical Experiment system |
-
2017
- 2017-03-07 CN CN201720211803.0U patent/CN206564071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945628A (en) * | 2017-11-09 | 2018-04-20 | 西京学院 | A kind of Physical Experiment system |
| CN107886816A (en) * | 2017-12-04 | 2018-04-06 | 宝鸡文理学院 | A kind of physical mechanics demo system |
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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: 20171017 Termination date: 20190307 |