CN203689752U - Teaching tool used for demonstrating binary system counting - Google Patents
Teaching tool used for demonstrating binary system counting Download PDFInfo
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- CN203689752U CN203689752U CN201420089647.1U CN201420089647U CN203689752U CN 203689752 U CN203689752 U CN 203689752U CN 201420089647 U CN201420089647 U CN 201420089647U CN 203689752 U CN203689752 U CN 203689752U
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- counter
- diffuse reflection
- reflection sensor
- binary
- binary system
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Abstract
The utility model discloses a teaching tool used for a demonstrating binary system counting and belongs to information technology teaching tools. The teaching tool includes a pedestal, a power source, a binary system serial counter and a plurality of balls. Twelve light emitting diodes are arranged on a side part of the pedestal horizontally. The pedestal is provided with a cylindrical container and a decimal system counter. The upper end of the cylindrical container is provided with a first diffuse reflection sensor and a second diffuse reflection sensor. A signal output terminal of the first diffuse reflection sensor is connected with a pulse input terminal of the binary system serial counter. Twelve output terminals of the second diffuse reflection sensor are connected with a signal input terminal of the decimal system counter. According to the utility model, binary system numerical value of the quantity of balls in the cylindrical container is indicated through switching of the light emitting diodes, high directness is realized and convenience is made for students in understanding the binary system counting method.
Description
Technical field
The utility model relates to a kind of binary counting demonstration teaching aid, belongs to information technology teaching apparatus.
Background technology
Scale-of-two is a kind of numeral system extensively adopting in computer technology, and binary data is the number representing with " 0 " and " 1 " two numbers.On Information Technology Course, teacher need to teach the counting mode of student's binary number and its carry rules.But owing to lacking demonstration teaching aid intuitively, teacher can only inculcate knowledge to student by the mode of blackboard or oral account, this is also unfavorable for that student understands knowledge, also cannot improve student's learning interest.
Utility model content
The utility model, for the problem in background technology, proposes a kind of binary counting demonstration teaching aid.
The utility model, for overcoming the above problems, adopts following technical scheme:
A kind of binary counting demonstration teaching aid, comprises base, power supply, binary string linage-counter and several spheroids; Described base sidepiece horizontally has 12 light emitting diodes; Described base is provided with hydrostatic column and decade counter; Described hydrostatic column adopts transparent material to make, and the top of hydrostatic column is hatch frame, and the internal diameter of hydrostatic column is identical with sphere diameter; Described spheroid adopts light screening material to make; Be provided with the first diffuse reflection sensor and the second diffuse reflection sensor in the upper end of hydrostatic column; The signal output part of described the first diffuse reflection sensor is connected with the pulse input end of binary string linage-counter; 12 output terminals of described binary string linage-counter connect respectively 12 light emitting diodes; Described second signal output part of diffuse reflection sensor and the signal input part of decade counter are connected.
Preferably, described binary string linage-counter adopts CD4040.
Preferably, described power acquisition alkaline battery.
Technique effect:
1, the utility model represents the binary numeral of hydrostatic column interior spheroid quantity by the light on and off of light emitting diode, has stronger intuitive, is convenient to student binary counting mode is understood.
2, the utlity model has certain interest, can improve student's learning interest.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the constitutional diagram while putting into three spheroids to hydrostatic column.
Label title in Fig. 1, Fig. 2: 1, base; 2, light emitting diode; 3, hydrostatic column; 4, the first diffuse reflection sensor; 5, the second diffuse reflection sensor; 6, decade counter; 7, spheroid.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is done in further detail and is introduced:
Structure of the present utility model as shown in Figure 1, comprises base 1, power supply, binary string linage-counter and several spheroids 7; Described base 1 sidepiece horizontally has 12 light emitting diodes 2; Described base 1 is provided with hydrostatic column 3 and decade counter 6; Described hydrostatic column 3 adopts transparent material to make, and the top of hydrostatic column 3 is hatch frame, and the internal diameter of hydrostatic column 3 is identical with spheroid 7 diameters; Described spheroid 7 adopts light screening material to make; Be provided with the first diffuse reflection sensor 4 and the second diffuse reflection sensor 5 in the upper end of hydrostatic column 3; The signal output part of described the first diffuse reflection sensor 4 is connected with the pulse input end of binary string linage-counter; 12 output terminals of described binary string linage-counter connect respectively 12 light emitting diodes 2; The signal output part of described the second diffuse reflection sensor 5 is connected with the signal input part of decade counter 6.
Described binary string linage-counter adopts the CD4040 of Fairchild company, it has 12 scale-of-two serial tally functions, in the time that pulse input end receives negative edge signal, this counter can add up automatically, and the level signal of exporting by 12 output terminals represents the binary numeral (high level represents 1, and low level represents 0) of current accumulated value; Described power acquisition alkaline battery; Described decade counter 6 adopts the HZ48 of Taiwan Chao Rong Electronics Co., Ltd., and this counter can add up the negative edge signal receiving, and accumulated value is presented on its charactron carrying in decimal system mode; Described the first diffuse reflection sensor 4 and the second diffuse reflection sensor 5 all adopt western general electric EX-53-430, in the time of spheroid 7 process diffuse reflection sensor, the beam reflection that diffuse reflection sensor can be sent is gone back, and makes the level signal of diffuse reflection sensor output occur once to change.
Be a teacher when a spheroid 7 is put into from the top of hydrostatic column 3, the level signal that the first diffuse reflection sensor 4 and the second diffuse reflection sensor 5 are exported can occur respectively once to change.Binary string linage-counter can add up the negative edge signal of the first diffuse reflection sensor 4, and represent the binary numeral (light emitting diode is lighted and represented 1, light emitting diode extinguish represent 0) of current accumulated value by 12 light emitting diodes 2 of 12 output terminal controls.The negative edge signal that decade counter 6 can produce the second diffuse reflection sensor 5 adds up, and accumulated value is presented on its charactron carrying in decimal system mode.For example, be a teacher while putting into three spheroids 7 to hydrostatic column 3, two light emitting diodes 2 that are positioned at the rightmost side can be lit, to represent binary number " 11 ", simultaneously, decade counter 6 can be presented at (as shown in Figure 2) on charactron by numeral " 3 ", so that student carries out contrast learning.
Claims (3)
1. a binary counting demonstration teaching aid, is characterized in that: comprise base (1), power supply, binary string linage-counter and several spheroids (7); Described base (1) sidepiece horizontally has 12 light emitting diodes (2); Described base (1) is provided with hydrostatic column (3) and decade counter (6); Described hydrostatic column (3) adopts transparent material to make, and the top of hydrostatic column (3) is hatch frame, and the internal diameter of hydrostatic column (3) is identical with spheroid (7) diameter; Described spheroid (7) adopts light screening material to make; Be provided with the first diffuse reflection sensor (4) and the second diffuse reflection sensor (5) in the upper end of hydrostatic column (3); The signal output part of described the first diffuse reflection sensor (4) is connected with the pulse input end of binary string linage-counter; 12 output terminals of described binary string linage-counter connect respectively 12 light emitting diodes (2); The signal output part of described the second diffuse reflection sensor (5) is connected with the signal input part of decade counter (6).
2. a kind of binary counting demonstration teaching aid according to claim 1, is characterized in that: described binary string linage-counter adopts CD4040.
3. a kind of binary counting demonstration teaching aid according to claim 1, is characterized in that: described power acquisition alkaline battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089647.1U CN203689752U (en) | 2014-03-01 | 2014-03-01 | Teaching tool used for demonstrating binary system counting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089647.1U CN203689752U (en) | 2014-03-01 | 2014-03-01 | Teaching tool used for demonstrating binary system counting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203689752U true CN203689752U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089647.1U Expired - Fee Related CN203689752U (en) | 2014-03-01 | 2014-03-01 | Teaching tool used for demonstrating binary system counting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203689752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327957A (en) * | 2016-11-15 | 2017-01-11 | 合肥探奥自动化有限公司 | Presentation device of number system principle |
| CN112562456A (en) * | 2020-12-14 | 2021-03-26 | 淄博职业学院 | Device and method for demonstrating various system numerical values |
-
2014
- 2014-03-01 CN CN201420089647.1U patent/CN203689752U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327957A (en) * | 2016-11-15 | 2017-01-11 | 合肥探奥自动化有限公司 | Presentation device of number system principle |
| CN112562456A (en) * | 2020-12-14 | 2021-03-26 | 淄博职业学院 | Device and method for demonstrating various system numerical values |
| CN112562456B (en) * | 2020-12-14 | 2022-04-22 | 淄博职业学院 | Device and method for demonstrating various system numerical values |
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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 |
Granted publication date: 20140702 Termination date: 20150301 |
|
| EXPY | Termination of patent right or utility model |