CN211742411U - Probability statistical device for applied mathematics - Google Patents
Probability statistical device for applied mathematics Download PDFInfo
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- CN211742411U CN211742411U CN202020878499.7U CN202020878499U CN211742411U CN 211742411 U CN211742411 U CN 211742411U CN 202020878499 U CN202020878499 U CN 202020878499U CN 211742411 U CN211742411 U CN 211742411U
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 239000004579 marble Substances 0.000 abstract description 22
- 230000004044 response Effects 0.000 abstract description 13
- 238000002474 experimental method Methods 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model discloses an applied mathematics's probability statistics device, including demonstration case, cavity, first logical groove, a plurality of branch spacer blocks, a plurality of response piece and movable block, the bottom of demonstration case is provided with the drive mechanism that the control movable block removed, and drive mechanism includes the spring, and the one end of spring and the bottom of demonstration case just are just to the position fixed connection in first logical groove. The utility model can control the operation of the transmission mechanism through the PLC, the pressure sensor of the transmission mechanism senses the marble, and then the marble is popped out, thereby realizing the automatic popping of the marble without continuously pressing the movable block by personnel, and reducing the labor intensity of the personnel; through the deflector that the slope set up, can be so that the marble through response piece after the landing to the guide way to on entering into first logical inslot through the opening and falling the movable block, continue to experiment, make other response pieces sense the marble when having avoided in the contrast file marble to remove along the bottom of cavity slope, improved the accuracy nature of experimental structure.
Description
Technical Field
The utility model relates to a statistics technical field specifically is an applied mathematics's probability statistics device.
Background
According to the content "including the demonstration case of" an applied mathematics probability statistics device "that chinese utility model patent publication is disclosed for CN210006301U, be equipped with the cavity in the demonstration case, the cavity bottom is the slope setting, be equipped with the first logical groove that sets up with demonstration case upper end intercommunication in the cavity right side inner wall, the intercommunication is provided with accredited testing organization between cavity and the first logical groove, be equipped with the through-hole that sets up with first logical groove intercommunication on the right side inner wall that the cavity is close to the bottom, be equipped with ejection mechanism on the first logical groove bottom, be equipped with a plurality of response pieces on the cavity bottom, the response piece is located accredited testing organization under, the demonstration case lower extreme is equipped with the counting piece. The utility model discloses a press the movable block and launch away the marble via the spring telescopic link to fall to arbitrary second through the inslot at random, easy operation demonstrates convenient and fast, through falling marble and the clamp plate contact behind arbitrary second through the groove at random, and touch the contact-type inductor, thereby count through miniature counter, need not the manual work and count, burden when alleviateing the teacher.
But still not enough in the in-process of using, need the continuous movable block of pressing of personnel of any need in the in-process of statistics, strengthened personnel's intensity of labour to when the marble removed along the bottom of cavity slope, probably made other response pieces sense the marble, and then influenced the result of statistics, the practicality is lower. We therefore improve on this by providing a probability statistics apparatus using mathematics.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides an applied mathematics's probability statistics device.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a probability statistical device applying mathematics, which comprises a demonstration box, a cavity, a first through groove, a plurality of separation blocks, a plurality of induction parts and a movable block, wherein the bottom end of the demonstration box is provided with a transmission mechanism for controlling the movable block to move, the transmission mechanism comprises a spring, one end of the spring is fixedly connected with the bottom end of the demonstration box and the part right opposite to the first through groove, the other end of the spring is fixedly provided with a suction piece, a limiting rod is arranged in the spring, one end of the limiting rod is fixedly connected with the middle part of the top end of the suction piece, one end of the limiting rod penetrates into the first through groove and is fixedly connected with the middle part of the bottom end of the movable block, the top end of the movable block is provided with a limiting groove, the bottom end of the limiting groove is fixedly provided with a pressure sensor, the bottom end of the suction piece is magnetically connected with an, the guide way has been seted up to the bottom of cavity, and the bottom of guide way sets up for the slope, the opening has been seted up to guide way one side bottom, and the opening communicates with each other with first logical groove, and is a plurality of the bottom of separating the piece all is located the guide way, and equally divide into a plurality of intervals with the guide way, the interval internal fixation is equipped with the deflector, and the deflector sets up for the slope, the response piece inlays the top of establishing at the deflector, the fixed PLC control box that is equipped with in top of demonstration case one side.
As a preferred technical scheme of the utility model, the PLC electric connection that is equipped with in touch-sensitive screen and the PLC control box on the PLC control box, pressure sensor and PLC electric connection, PLC and electro-magnet electric connection.
As a preferred technical scheme of the utility model, the cross-section of connecting piece is the U-shaped, the one end of connecting piece and one side fixed connection of electro-magnet, and the other end of connecting piece and the bottom fixed connection of demonstration case one side.
As an optimized technical scheme of the utility model, the electro-magnet is sucking disc formula electro-magnet.
As an optimized technical scheme of the utility model, the cross-section of drawing the piece for with electro-magnet assorted circular.
As an optimized technical proposal of the utility model, one end of the induction part is exposed out of the separation block.
The utility model has the advantages that: according to the probability statistical device applying mathematics, the operation of the transmission mechanism can be controlled through a PLC, a pressure sensor of the transmission mechanism senses marbles, an electromagnet of the transmission mechanism works, under the action of the electromagnet, a pulling piece of the transmission mechanism drives a movable block to move downwards, the pulling piece is sucked on the electromagnet, a spring of the transmission mechanism stretches, the electromagnet stops working after working for a period of time, under the reset action of the spring, the pulling piece drives the movable block to move upwards, and then the marbles are popped out, so that the automatic marble ejection is realized, personnel do not need to continuously press the movable block, and the labor intensity of the personnel is reduced; through the deflector that the slope set up, can be so that the marble through response piece after the landing to the guide way to on entering into first logical inslot through the opening and falling the movable block, continue to experiment, make other response pieces sense the marble when having avoided in the contrast file marble to remove along the bottom of cavity slope, improved the accuracy nature of experimental structure.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a probability statistic device using mathematics according to the present invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a probability statistic device using mathematics according to the present invention;
FIG. 3 is a schematic cross-sectional view of a transmission mechanism of the probability statistic device according to the present invention;
fig. 4 is a schematic diagram of a longitudinal partial cross-section structure of a probability statistic device using mathematics according to the present invention.
In the figure: 1. a demonstration box; 2. a chamber; 3. a first through groove; 4. a separation block; 5. a sensing member; 6. a movable block; 7. a transmission mechanism; 701. a spring; 702. a pull member; 703. a limiting rod; 704. a limiting groove; 705. a pressure sensor; 706. an electromagnet; 707. a connecting member; 8. a guide groove; 9. an opening; 10. an interval; 11. a guide plate; 12. and a PLC control box.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the probability statistic device for mathematics application of the present invention comprises a demonstration box 1, a chamber 2, a first through groove 3, a plurality of separation blocks 4, a plurality of induction parts 5 and a movable block 6, wherein a transmission mechanism 7 for controlling the movement of the movable block 6 is arranged at the bottom end of the demonstration box 1, the transmission mechanism 7 comprises a spring 701, one end of the spring 701 is fixedly connected with the bottom end of the demonstration box 1 and the part right opposite to the first through groove 3, the other end of the spring 701 is fixedly provided with a pull-in part 702, a limit rod 703 is arranged in the spring 701, one end of the limit rod 703 is fixedly connected with the middle part of the top end of the pull-in part 702, one end of the limit rod penetrates into the first through groove 3 and is fixedly connected with the middle part of the bottom end of the movable block 6, the top end of the movable block 6 is provided with a limit groove 704, the bottom end of the limit, electromagnet 706 is connected with demonstration case 1 through connecting piece 707, guide way 8 has been seted up to the bottom of cavity 2, and the bottom of guide way 8 sets up for the slope, opening 9 has been seted up to guide way 8 one side bottom, and opening 9 communicates with each other with first logical groove 3, the bottom of a plurality of spacer blocks 4 all is located guide way 8, and divide guide way 8 etc. into a plurality of intervals 10, interval 10 internal fixation is equipped with deflector 11, and deflector 11 sets up for the slope, response piece 5 inlays the top of establishing at deflector 11, the fixed PLC control box 12 that is equipped with in top of demonstration case 1 one side.
Wherein, the touch-sensitive screen that is equipped with on the PLC control box 12 and the PLC electric connection that is equipped with in the PLC control box 12, pressure sensor 705 and PLC electric connection, PLC and electro-magnet 706 electric connection.
The cross section of the connecting piece 707 is U-shaped, one end of the connecting piece 707 is fixedly connected with one side of the electromagnet 706, and the other end of the connecting piece 707 is fixedly connected with the bottom end of one side of the demonstration box 1.
Wherein the electromagnet 706 is a suction cup type electromagnet; the cross-section of drawing a 702 is circular with electro-magnet 706 assorted, PLC control electro-magnet 706 work, under the effect of electro-magnet 706, make drawing a 702 move down, gag lever post 703 drives movable block 6 and moves down, drawing a 702 and inhaling on electro-magnet 706, spring 701 is tensile, PLC control electro-magnet 706 stops working after working a period of time, make electro-magnet 706 no longer hold drawing a 702, under the reset action of spring 701, make movable block 6 shift up, and then make the marble pop out.
Wherein, the one end of response piece 5 is exposed in separating block 4, through this setting, can make on the marble all falls response piece 5, has improved the practicality.
When the automatic ejection device works, the PLC in the PLC control box 12 can control the operation of the transmission mechanism 7, the pressure sensor 705 senses the marble, the PLC controls the electromagnet 706 to work, under the action of the electromagnet 706, the attraction part 702 moves downwards, the limiting rod 703 drives the movable block 6 to move downwards, the attraction part 702 is attracted to the electromagnet 706, the spring 701 stretches, the PLC controls the electromagnet 706 to stop working after working for a period of time, so that the electromagnet 706 no longer attracts the attraction part 702, under the reset action of the spring 701, the movable block 6 moves upwards, the marble is ejected, the automatic ejection is realized, the movable block 6 does not need to be continuously pressed by a person, the labor intensity of the person is reduced, the ejected marble falls onto the induction part 5 in the interval 10 through the interval 10, and because the guide plate 11 where the induction part 5 is located is arranged in an inclined manner, the marble slides to the bottom end of the guide groove 8, fall into the spacing groove 704 in the movable block 6 through opening 9, continue to carry out the experiment, make other response piece 5 sense the marble when having avoided the marble to move along the bottom of cavity 2 slope in the comparison file, improved the accuracy nature of experimental structure.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A probability statistical device applying mathematics comprises a demonstration box (1), a chamber (2), a first through groove (3), a plurality of separation blocks (4), a plurality of induction pieces (5) and movable blocks (6), and is characterized in that a transmission mechanism (7) for controlling the movable blocks (6) to move is arranged at the bottom end of the demonstration box (1), the transmission mechanism (7) comprises a spring (701), one end of the spring (701) is fixedly connected with the bottom end of the demonstration box (1) and a part right opposite to the first through groove (3), the other end of the spring (701) is fixedly provided with a suction piece (702), a limiting rod (703) is arranged in the spring (701), one end of the limiting rod (703) is fixedly connected with the middle part of the top end of the suction piece (702), and one end of the limiting rod (703) penetrates into the first through groove (3) and is fixedly connected with the middle part of the bottom end of the movable blocks (6), the top end of the movable block (6) is provided with a limiting groove (704), the bottom end of the limiting groove (704) is fixedly provided with a pressure sensor (705), the bottom end of the pull piece (702) is magnetically connected with an electromagnet (706), the electromagnet (706) is connected with the demonstration box (1) through a connecting piece (707), the bottom of the cavity (2) is provided with a guide groove (8), the bottom end of the guide groove (8) is obliquely arranged, the bottom end of one side of the guide groove (8) is provided with an opening (9), the opening (9) is communicated with the first through groove (3), the bottoms of the separation blocks (4) are all positioned in the guide groove (8) and equally divide the guide groove (8) into a plurality of intervals (10), a guide plate (11) is fixedly arranged in each interval (10), the guide plate (11) is obliquely arranged, and the induction piece (5) is embedded at the top end of the guide plate (11), the top of one side of the demonstration box (1) is fixedly provided with a PLC control box (12).
2. The probability statistic device according to claim 1, wherein the touch screen of the PLC control box (12) is electrically connected to the PLC installed in the PLC control box (12), the pressure sensor (705) is electrically connected to the PLC, and the PLC is electrically connected to the electromagnet (706).
3. A probability statistic device using mathematics as claimed in claim 1, wherein the cross section of said connecting member (707) is U-shaped, one end of said connecting member (707) is fixedly connected to one side of the electromagnet (706), and the other end of the connecting member (707) is fixedly connected to the bottom end of one side of the demonstration box (1).
4. A mathematical probability statistic device as claimed in claim 1, wherein the electromagnet (706) is a suction cup type electromagnet.
5. A mathematical probability statistic device as claimed in claim 4, wherein the cross section of the drawing member (702) is circular to match the electromagnet (706).
6. A mathematical probability statistic device as claimed in claim 1, wherein one end of the sensing member (5) is exposed to the separating block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020878499.7U CN211742411U (en) | 2020-05-22 | 2020-05-22 | Probability statistical device for applied mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020878499.7U CN211742411U (en) | 2020-05-22 | 2020-05-22 | Probability statistical device for applied mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211742411U true CN211742411U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020878499.7U Active CN211742411U (en) | 2020-05-22 | 2020-05-22 | Probability statistical device for applied mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211742411U (en) |
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2020
- 2020-05-22 CN CN202020878499.7U patent/CN211742411U/en active Active
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Effective date of registration: 20231129 Address after: No. 501, Unit 1, Building 20, Zhan'an Lane, Qixia Road, Wanxin Street, Dongli District, Tianjin, 300000 Patentee after: Cao Ying Address before: Yuncheng college, 1155 Fudan West Street, BEIXIANG Town, Yanhu District, Yuncheng City, Shanxi Province 044000 Patentee before: YUNCHENG University |