CN205920656U - Mathematical education changes presentation device with formula angle directly perceived - Google Patents
Mathematical education changes presentation device with formula angle directly perceived Download PDFInfo
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- CN205920656U CN205920656U CN201620424697.XU CN201620424697U CN205920656U CN 205920656 U CN205920656 U CN 205920656U CN 201620424697 U CN201620424697 U CN 201620424697U CN 205920656 U CN205920656 U CN 205920656U
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- rotating shaft
- photoelectric sensor
- mathematical education
- demonstrating
- column
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Abstract
The utility model discloses a mathematical education changes presentation device with formula angle directly perceived belongs to mathematics angle presentation device field, and its structure includes: stand, base, pivot, stay cord, anti -dazzling screen, weight, C shaped plate, photoelectric sensor, cable, display, the stand is cylindrical pole structure, and the stand bottom is put with base central point and is connected, and the stand top is equipped with the pivot, pivot and stay cord upper end is connected, and the stay cord middle part is equipped with circular anti -dazzling screen, and the stay cord bottom is connected with the weight, and the stand middle part is equipped with the C shaped plate, and the annular evenly is equipped with photoelectric sensor to the side of the affiliated C shaped plate, photoelectric sensor passes through the cable and is connected with the display. The utility model discloses simple structure, convenient operation can realization angle directly perceived changes and real -time the demonstration with the help of manual operation, the part low price, the cost of manufacture is low, and the application is wide.
Description
Technical field
This utility model is related to mathematical education direct viewing type angle change apparatus for demonstrating, belongs to mathematical angle apparatus for demonstrating neck
Domain.
Background technology
Angle is important geometry content in current mathematical education, and student has important opening for the intuitively cognition of angle
Cover meaning, in current teaching process, classroom is by way of hand-drawing graphics for the demonstration of angle mostly, lacks and intuitively give birth to
Dynamic apparatus for demonstrating.
Utility model content
This utility model is directed to the angular content teaching of current classroom to be needed, and devises mathematical education direct viewing type angle change
Apparatus for demonstrating.
The technical scheme in the invention for solving the technical problem is:
This mathematical education direct viewing type angle change apparatus for demonstrating, its structure includes: column, base, rotating shaft, drawstring, screening
Mating plate, weight, c shape plate, photoelectric sensor, cable, display；Column is cylindrical bar structure, column bottom and base center
Position connects, and column top is provided with rotating shaft, and described rotating shaft is connected with drawstring upper end, is provided with circular brake sack, drawstring in the middle part of drawstring
Bottom is connected with weight, is provided with c shape plate in the middle part of column, and affiliated c shape plate side annular is uniformly provided with photoelectric sensor, described photoelectricity
Sensor is connected with display by cable.
The described c shape plate center of circle is overlapped with rotating shaft.
The symmetrical centre of described photoelectric sensor distribution is overlapped with rotating shaft, and it is same that photoelectric sensor and brake sack are located at c shape plate
Side.
Described brake sack is circular configuration, and brake sack center is equal to photoelectric sensor and rotating shaft relative to the air line distance of rotating shaft
Between air line distance.
The air line distance of described weight center and rotating shaft is more than the air line distance between brake sack center and rotating shaft.
Described cable type selecting transmits the dual pathways for photosignal transmission and photovoltaic power source.
Compared with prior art, the beneficial effects of the utility model are:
Structure is simple, easy to operate, can intuitively realize angle change and real-time display, piece price by manual operations
Cheap, low manufacture cost, application is wide.
Brief description
Fig. 1 is this utility model overall structure figure.
In figure: 1- column, 2- base, 3- rotating shaft, 4- drawstring, 5- brake sack, 6- weight, 7-c shape plate, 8- photoelectric sensing
Device, 9- cable, 10- display.
Specific embodiment
As shown in Figure 1: mathematical education direct viewing type angle change apparatus for demonstrating, its structure includes: column 1, base 2, turn
Axle 3, drawstring 4, brake sack 5, weight 6, c shape plate 7, photoelectric sensor 8, cable 9, display 10；Column 1 is tied for cylindrical bar
Structure, column 1 bottom is connected with base 2 center, and column 1 top is provided with rotating shaft 3, and described rotating shaft 3 is connected with drawstring 4 upper end,
It is provided with circular brake sack 5 in the middle part of drawstring 4, drawstring 4 bottom is connected with weight 6, in the middle part of column 1, be provided with c shape plate 7, affiliated c shape plate 7
Side annular is uniformly provided with photoelectric sensor 8, and described photoelectric sensor 8 is connected with display 10 by cable 9；Described c shape plate 7
The center of circle is overlapped with rotating shaft 3；The symmetrical centre of described photoelectric sensor 8 distribution overlaps with rotating shaft 3, photoelectric sensor 8 and brake sack 5
Positioned at c shape plate 7 homonymy；Described brake sack 5 is circular configuration, and brake sack 5 center is equal to photoelectric transfer relative to the air line distance of rotating shaft 3
Air line distance between sensor 8 and rotating shaft 3；Described weight 6 center is more than brake sack 5 center and turns with the air line distance of rotating shaft 3
Air line distance between axle 3；Described cable 9 type selecting transmits the dual pathways for photosignal transmission and photovoltaic power source.
Mathematical education described by the present embodiment direct viewing type angle change apparatus for demonstrating, during use, in advance by each assembly
It is attached, manually weight 6 is stirred certain wobble amplitude, now brake sack 5 swings therewith, and brake sack 5 pendulum angle
Consistent with weight 6 pendulum angle, in swing process, brake sack 5 is implemented to block to photoelectric sensor 8, during blocking not
Photosignal can be sent with the photoelectric sensor 8 on angle position and flow through cable 9 and show corresponding angle in real time to display 10,
This utility model structure is simple, easy to operate, can intuitively realize angle change and real-time display, part valency by manual operations
Lattice are cheap, low manufacture cost, and application is wide.
The above, specific embodiment only of the present utility model, those of ordinary skill in the art are new in this practicality
In the range of type discloses, the change that can readily occur in, all should cover within the protection domain of utility model.
Claims (6)
1. mathematical education direct viewing type angle change apparatus for demonstrating, structure includes: column (1), base (2), rotating shaft (3), drawstring
(4), brake sack (5), weight (6), c shape plate (7), photoelectric sensor (8), cable (9), display (10) (0)；It is characterized in that:
Column (1) is cylindrical bar structure, and column (1) bottom is connected with base (2) center, and column (1) top is provided with rotating shaft
(3), described rotating shaft (3) is connected with drawstring (4) upper end, is provided with circular brake sack (5) in the middle part of drawstring (4), and drawstring (4) bottom connects
There is weight (6), in the middle part of column (1), be provided with c shape plate (7), affiliated c shape plate (7) side annular is uniformly provided with photoelectric sensor (8),
Described photoelectric sensor (8) is connected with display (10) by cable (9).
2. mathematical education according to claim 1 direct viewing type angle change apparatus for demonstrating, is characterized in that: c shape plate (7) circle
The heart is overlapped with rotating shaft (3).
3. mathematical education according to claim 1 direct viewing type angle change apparatus for demonstrating, is characterized in that: photoelectric sensor
(8) symmetrical centre being distributed is overlapped with rotating shaft (3), and photoelectric sensor (8) is located at c shape plate (7) homonymy with brake sack (5).
4. mathematical education according to claim 1 direct viewing type angle change apparatus for demonstrating, is characterized in that: brake sack (5)
For circular configuration, brake sack (5) center is equal between photoelectric sensor (8) and rotating shaft (3) relative to the air line distance of rotating shaft (3)
Air line distance.
5. mathematical education according to claim 1 direct viewing type angle change apparatus for demonstrating, is characterized in that: in weight (6)
The air line distance of the heart and rotating shaft (3) is more than the air line distance between brake sack (5) center and rotating shaft (3).
6. mathematical education according to claim 1 direct viewing type angle change apparatus for demonstrating, is characterized in that: cable (9) choosing
Type transmits the dual pathways for photosignal transmission and photovoltaic power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424697.XU CN205920656U (en) | 2016-05-11 | 2016-05-11 | Mathematical education changes presentation device with formula angle directly perceived |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424697.XU CN205920656U (en) | 2016-05-11 | 2016-05-11 | Mathematical education changes presentation device with formula angle directly perceived |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920656U true CN205920656U (en) | 2017-02-01 |
Family
ID=57876190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620424697.XU Expired - Fee Related CN205920656U (en) | 2016-05-11 | 2016-05-11 | Mathematical education changes presentation device with formula angle directly perceived |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205920656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744390A (en) * | 2017-02-28 | 2017-05-31 | 四川理工学院 | A kind of tower crane automatic-balancing controller |
-
2016
- 2016-05-11 CN CN201620424697.XU patent/CN205920656U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744390A (en) * | 2017-02-28 | 2017-05-31 | 四川理工学院 | A kind of tower crane automatic-balancing controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170201 Termination date: 20180511 |