CN207052160U - Track is demonstrated in a kind of multipurpose Experiments of Machanics - Google Patents
Track is demonstrated in a kind of multipurpose Experiments of Machanics Download PDFInfo
- Publication number
- CN207052160U CN207052160U CN201720408698.XU CN201720408698U CN207052160U CN 207052160 U CN207052160 U CN 207052160U CN 201720408698 U CN201720408698 U CN 201720408698U CN 207052160 U CN207052160 U CN 207052160U
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- track
- zero point
- point correction
- horizontal component
- 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.)
- Expired - Fee Related
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
It the utility model is related to teaching aid field, specifically a kind of multipurpose Experiments of Machanics demonstration track, including track, zero point correction baffle plate, fixed length calibration baffle plate, zero point correction button, fixed length calibration knob, LCDs, LeftArrow, right direction key and single chip machine controlling circuit；Zero point correction baffle plate is fixed on the right-hand member of track；Fixed length calibration baffle plate is placed on the middle part of track；Zero point correction button, fixed length calibration knob, LCDs, LeftArrow, right direction key and single chip machine controlling circuit are arranged on rail base.By the utility model, teachers and students can flexibly be used by it, carry out the experiments such as Newton interpolation algorithm experiment, gravitional force and kinetic energy conversion test, theorem of kinetic energy, and can show that precision test data are supplied to teachers and students' analytic learning.
Description
Technical field
Teaching aid field is the utility model is related to, specifically a kind of multipurpose Experiments of Machanics demonstration track.
Background technology
In mechanical analysis, bead and incline track are often used, and actual actual loading test can not only be more directly perceived
The various physical phenomenons of embodiment, can more motivate students' interest in learning.But actually because bead speed is difficult accurate
Measurement therefore, it is difficult to tested and analyzed.Existing teaching aid, have the shortcomings that again using function is limited, measurement error is big,
It is difficult to be used more widely.
The content of the invention
For the problems of the prior art, the utility model provides a kind of multipurpose Experiments of Machanics demonstration track, teachers and students
The experiments such as Newton interpolation algorithm experiment, gravitional force and kinetic energy conversion test, theorem of kinetic energy can be carried out by it, and can
To show that precision test data are supplied to teachers and students' analytic learning.
Technical scheme is used by the utility model solves its technical problem：Rail is demonstrated in a kind of multipurpose Experiments of Machanics
Road, including track, zero point correction baffle plate, fixed length calibration baffle plate, zero point correction button, fixed length calibration knob, LCDs, a left side
Directionkeys, right direction key and single chip machine controlling circuit；
Described track includes track body, base and conductor rail；Described track body cross section is " U "-shaped；Track body
Including chamfered portion, circular arc portion and horizontal component；Described chamfered portion has being arranged on for certain angle with horizontal component
The horizontal component left side；Chamfered portion lower end is connected with horizontal component left end by circular arc portion；Circular arc portion while and inclined-plane
Part and horizontal component are tangent；Described base is in prism-frustum-shaped, and base is arranged on the lower section of horizontal component, consolidates with horizontal part split-phase
Fixed connection；Described conductor rail has two；The shape of conductor rail is identical with track body；The cross section of conductor rail is in semicircle
Shape；Two conductor rails are separately fixed above the both sides of track body；
Described zero point correction baffle plate is in rectangular parallelepiped structure, is vertically fixedly installed on the end of track body；
Described fixed length calibration baffle plate includes baffle plate frame and baffle plate；What described baffle plate frame was vertically fixed is arranged on track
The middle part of body；Described baffle plate is in rectangular parallelepiped structure, the horizontal component of the maximum face of area and track body perpendicularly with baffle plate
Frame is hinged；
Described zero point correction button, fixed length calibration knob, LCDs, LeftArrow and right direction key is from left to right
It is successively set on before base；Described single chip machine controlling circuit is arranged in base；
Single chip machine controlling circuit includes single-chip microcomputer, resistance and power supply；Described single-chip microcomputer has analog-digital conversion function；It is described
Two conductor rails, the right-hand member of one of conductor rail is connected by wire with power cathode, and another arrives conductor rails
The right-hand member in road is connected by wire with the analog signal input port of single-chip microcomputer；Described resistance, one end pass through wire and power supply
Positive pole is connected, and the other end is connected by wire with the analog signal input port of single-chip microcomputer；It is described zero point correction button, fixed
Long calibration knob, LeftArrow and right direction key, one end are connected by wire with power cathode respectively, and the other end passes through respectively
Wire is connected with single-chip I/O mouth；Described LCDs is connected by wire with the I/O port of single-chip microcomputer.
Preferably, described track body is made up of rigid plastics material.
Preferably, described single-chip microcomputer is stm8 single-chip microcomputers.
The beneficial effects of the utility model are：
(1) a kind of multipurpose Experiments of Machanics demonstration track of the present utility model, teachers and students can carry out newton second by it
The experiment such as law of motion experiment, gravitional force and kinetic energy conversion test, theorem of kinetic energy, and can show that precision test data provide
Give teachers and students' analytic learning.
(2) a kind of multipurpose Experiments of Machanics demonstration track of the present utility model, the course of work when in use：
1. metal ball is placed on the left of zero point correction baffle plate by user with being close to zero point correction baffle plate, zero point correction is then pressed
Button；
2. the magnitude of voltage of single-chip microcomputer collection now, the resistance value converted it between two conductor rail right-hand members, and record
Get off；
3. metal ball is placed on the left of fixed length calibration baffle plate by user with being close to zero point correction baffle plate, fixed length calibration is then pressed
Button；
4. the magnitude of voltage of single-chip microcomputer collection now, the resistance value converted it between two conductor rail right-hand members, with reference to step
Distance between the rapid resistance value 2. obtained and zero point correction baffle plate and fixed length calibration baffle plate calculates the electricity of unit length conductor rail
Resistance；
5. metal ball is placed on inclined-plane by user, single-chip microcomputer calculates according to the resistance value between now two conductor rail right-hand members
Go out metal ball and zero point correction baffle plate distance and chamfered portion and horizontal component between inclination angle, by with horizontal part split-phase
Subtract and calculate elemental height value, and shown on liquid crystal display；
6. single-chip microcomputer is once golden according to the resistance value record between now two conductor rail right-hand members every a unit interval
Belong to the position where ball；
7. after terminating, user checks each unit interval metal that single-chip microcomputer records by LeftArrow and right direction key
Position where ball, for doing the analysis such as calculating speed, acceleration, so as to complete the experiment such as theorem of kinetic energy；
8. it can repeatedly carry out the experiment of Newton interpolation algorithm by changing the different metal ball of coefficient of friction；
9. after metal ball rolls down on inclined-plane, can be utilized for by placing another metal ball in advance in horizontal component
Momentum theorem is tested.
Convenient, accurate, flexible using process, mode is various, multiple functional.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial structural diagram of the present utility model；
In figure：Track (1), zero point correction baffle plate (2), fixed length calibration baffle plate (3), zero point correction button (4), fixed length calibration
Button (5), LCDs (6), LeftArrow (7), right direction key (8), track body (11), base (12), conductor rail
(13), baffle plate frame (31), baffle plate (32), chamfered portion (111), circular arc portion (112), horizontal component (113).
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Embodiment 1
As shown in Figure 1, Figure 2, a kind of multipurpose Experiments of Machanics demonstration track of the present embodiment, including track 1, zero point correction baffle plate
2nd, fixed length calibration baffle plate 3, zero point correction button 4, fixed length calibration knob 5, LCDs 6, LeftArrow 7, the and of right direction key 8
Single chip machine controlling circuit；
Described track 1 includes track body 11, base 12 and conductor rail 13；The described cross section of track body 11 is in " U "
Shape；Track body 11 includes chamfered portion 111, circular arc portion 112 and horizontal component 113；Described chamfered portion 111 and horizontal part
113 are divided to be arranged on the left side of horizontal component 113 with certain angle；The lower end of chamfered portion 111 passes through with the left end of horizontal component 113
Circular arc portion 112 is connected；Circular arc portion 112 is simultaneously tangent with chamfered portion 111 and horizontal component 113；Described base 12
In prism-frustum-shaped, base 12 is arranged on the lower section of horizontal component 113, is fixedly connected with the phase of horizontal component 113；Described conductor rail
13 have two；The shape of conductor rail 13 is identical with track body 11；The cross section semicircular in shape of conductor rail 13；Two conductor rails
Road 13 is separately fixed above the both sides of track body 11；
Described zero point correction baffle plate 2 is in rectangular parallelepiped structure, is vertically fixedly installed on the end of track body 11；
Described fixed length calibration baffle plate 3 includes baffle plate frame 31 and baffle plate 32；What described baffle plate frame 31 was vertically fixed sets
Put at the middle part of track body 11；Described baffle plate 32 is in rectangular parallelepiped structure, the maximum face of area and the horizontal component of track body 11
113 are perpendicularly hinged with baffle plate frame 31；
Described zero point correction button 4, fixed length calibration knob 5, LCDs 6, LeftArrow 7 and right direction key 8 from
Left-to-right is successively set on before base 12；Described single chip machine controlling circuit is arranged in base 12；
Single chip machine controlling circuit includes single-chip microcomputer, resistance and power supply；Described single-chip microcomputer has analog-digital conversion function；It is described
Two conductor rails, the right-hand member of one of conductor rail is connected by wire with power cathode, and another arrives conductor rails
The right-hand member in road is connected by wire with the analog signal input port of single-chip microcomputer；Described resistance, one end pass through wire and power supply
Positive pole is connected, and the other end is connected by wire with the analog signal input port of single-chip microcomputer；It is described zero point correction button, fixed
Long calibration knob, LeftArrow and right direction key, one end are connected by wire with power cathode respectively, and the other end passes through respectively
Wire is connected with single-chip I/O mouth；Described LCDs is connected by wire with the I/O port of single-chip microcomputer.
Described track body 11 is made up of rigid plastics material.
Described single-chip microcomputer is stm8 single-chip microcomputers.
The course of work when in use：
1. metal ball is placed on the left of zero point correction baffle plate by user with being close to zero point correction baffle plate, zero point correction is then pressed
Button；
2. the magnitude of voltage of single-chip microcomputer collection now, the resistance value converted it between two conductor rail right-hand members, and record
Get off；
3. metal ball is placed on the left of fixed length calibration baffle plate by user with being close to zero point correction baffle plate, fixed length calibration is then pressed
Button；
4. the magnitude of voltage of single-chip microcomputer collection now, the resistance value converted it between two conductor rail right-hand members, with reference to step
Distance between the rapid resistance value 2. obtained and zero point correction baffle plate and fixed length calibration baffle plate calculates the electricity of unit length conductor rail
Resistance；
5. metal ball is placed on inclined-plane by user, single-chip microcomputer calculates according to the resistance value between now two conductor rail right-hand members
Go out metal ball and zero point correction baffle plate distance and chamfered portion and horizontal component between inclination angle, by with horizontal part split-phase
Subtract and calculate elemental height value, and shown on liquid crystal display；
6. single-chip microcomputer is once golden according to the resistance value record between now two conductor rail right-hand members every a unit interval
Belong to the position where ball；
7. after terminating, user checks each unit interval metal that single-chip microcomputer records by LeftArrow and right direction key
Position where ball, for doing the analysis such as calculating speed, acceleration, so as to complete the experiment such as theorem of kinetic energy；
8. it can repeatedly carry out the experiment of Newton interpolation algorithm by changing the different metal ball of coefficient of friction；
9. after metal ball rolls down on inclined-plane, can be utilized for by placing another metal ball in advance in horizontal component
Momentum theorem is tested.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the description in above-mentioned embodiment and specification is simply said
Bright principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various
Changes and improvements, these changes and improvements are both fallen within the range of the requires of the utility model protection.The requires of the utility model is protected
Scope is by appended claims and its equivalent thereof.
Claims (3)
1. track is demonstrated in a kind of multipurpose Experiments of Machanics, it is characterised in that：Including track (1), zero point correction baffle plate (2), fixed length
Calibrate baffle plate (3), zero point correction button (4), fixed length calibration knob (5), LCDs (6), LeftArrow (7), right direction
Key (8) and single chip machine controlling circuit；
Described track (1) includes track body (11), base (12) and conductor rail (13)；Described track body (11) cross section
It is " U "-shaped；Track body (11) includes chamfered portion (111), circular arc portion (112) and horizontal component (113)；Described inclined plane part
(111) are divided to be arranged on horizontal component (113) left side with certain angle with horizontal component (113)；Chamfered portion (111) lower end
It is connected with horizontal component (113) left end by circular arc portion (112)；Circular arc portion (112) at the same with chamfered portion (111) and
Horizontal component (113) is tangent；Described base (12) is in prism-frustum-shaped, and base (12) is arranged on the lower section of horizontal component (113), with
Horizontal component (113) is mutually fixedly connected；Described conductor rail (13) has two；The shape and track body of conductor rail (13)
(11) it is identical；The cross section semicircular in shape of conductor rail (13)；Two conductor rails (13) are separately fixed at track body (11)
Above both sides；
Described zero point correction baffle plate (2) is in rectangular parallelepiped structure, is vertically fixedly installed on the end of track body (11)；
Described fixed length calibration baffle plate (3) includes baffle plate frame (31) and baffle plate (32)；Described baffle plate frame (31) is vertically fixed
The middle part for being arranged on track body (11)；Described baffle plate (32) is in rectangular parallelepiped structure, the maximum face of area and track body (11)
Horizontal component (113) be perpendicularly hinged with baffle plate frame (31)；
Described zero point correction button (4), fixed length calibration knob (5), LCDs (6), LeftArrow (7) and right direction key
(8) it is successively set on from left to right before base (12)；Described single chip machine controlling circuit is arranged in base (12)；
Single chip machine controlling circuit includes single-chip microcomputer, resistance and power supply；Described single-chip microcomputer has analog-digital conversion function；Described two
Individual conductor rail, the right-hand member of one of conductor rail are connected by wire with power cathode, and another arrives conductor rail
Right-hand member is connected by wire with the analog signal input port of single-chip microcomputer；Described resistance, one end pass through wire and positive source
It is connected, the other end is connected by wire with the analog signal input port of single-chip microcomputer；Described zero point correction button, fixed length school
Quasi- button, LeftArrow and right direction key, one end are connected by wire with power cathode respectively, and the other end passes through wire respectively
It is connected with single-chip I/O mouth；Described LCDs is connected by wire with the I/O port of single-chip microcomputer.
A kind of 2. multipurpose Experiments of Machanics demonstration track according to claim 1, it is characterised in that：Described track body
(11) it is made up of rigid plastics material.
A kind of 3. multipurpose Experiments of Machanics demonstration track according to claim 1, it is characterised in that：Described single-chip microcomputer is
Stm8 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720408698.XU CN207052160U (en) | 2017-04-18 | 2017-04-18 | Track is demonstrated in a kind of multipurpose Experiments of Machanics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720408698.XU CN207052160U (en) | 2017-04-18 | 2017-04-18 | Track is demonstrated in a kind of multipurpose Experiments of Machanics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052160U true CN207052160U (en) | 2018-02-27 |
Family
ID=61490059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720408698.XU Expired - Fee Related CN207052160U (en) | 2017-04-18 | 2017-04-18 | Track is demonstrated in a kind of multipurpose Experiments of Machanics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108510850A (en) * | 2018-06-19 | 2018-09-07 | 寇芳 | A kind of simulation teaching aid for teaching of senior high school verification momentum theorem |
| RU2744314C1 (en) * | 2020-08-28 | 2021-03-05 | Эдуард Павлович Цыганов | Device for studying partially elastic shock interactions in system of three physical bodies |
| TWI767848B (en) * | 2021-10-02 | 2022-06-11 | 國立虎尾科技大學 | Projection mechanical energy transformation demonstrator |
-
2017
- 2017-04-18 CN CN201720408698.XU patent/CN207052160U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108510850A (en) * | 2018-06-19 | 2018-09-07 | 寇芳 | A kind of simulation teaching aid for teaching of senior high school verification momentum theorem |
| RU2744314C1 (en) * | 2020-08-28 | 2021-03-05 | Эдуард Павлович Цыганов | Device for studying partially elastic shock interactions in system of three physical bodies |
| TWI767848B (en) * | 2021-10-02 | 2022-06-11 | 國立虎尾科技大學 | Projection mechanical energy transformation demonstrator |
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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 |
Granted publication date: 20180227 Termination date: 20190418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |