CN214586521U - Portable ball screw closed-loop control classroom teaching aid - Google Patents
Portable ball screw closed-loop control classroom teaching aid Download PDFInfo
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- CN214586521U CN214586521U CN202120554741.XU CN202120554741U CN214586521U CN 214586521 U CN214586521 U CN 214586521U CN 202120554741 U CN202120554741 U CN 202120554741U CN 214586521 U CN214586521 U CN 214586521U
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Abstract
The utility model discloses a portable ball closed-loop control classroom teaching aid aims at providing a portable ball closed-loop control classroom teaching aid, and its technical scheme main points are, which comprises a base, be equipped with ball on the base, one of base is served and is equipped with step motor, through the coupling joint between step motor and the ball, step motor is last still to be equipped with controlling means, the last measuring device that still is equipped with of ball, base one side is equipped with the reading device who matches with measuring device.
Description
Technical Field
The utility model relates to a teaching aid equipment field, concretely relates to portable ball closed-loop control classroom teaching aid.
Background
The teaching aid is a material object for propagating science and technology and educating people, is a complete scientific and technological medium, and is an indispensable device in teenager scientific and technological activities. Teaching aids used in scientific and technological activities include real object teaching aids and replica teaching aids. In particular, specimens or samples from nature: such as biological samples, mineral samples, fossil, rock and rare animal samples, etc. used in scientific and technical education activities. Also copies and models of specimens: some samples are precious (such as Beijing apen skull fossils) and are not suitable for being spread everywhere, so people make various imitations and models for spreading scientific and technical information. Also, the model can be used for human anatomy models, aeronautical, maritime and vehicular models, and the like. The teaching aid can also be divided into two types for demonstration and practice operation.
At present, Chinese patent with publication number CN211742476U discloses a teaching aid for a single-shaft workbench, which comprises a base, wherein a demonstration mechanism is arranged at the top of the base; demonstration mechanism includes the support frame, support frame fixed connection is at the base top, support frame cross sectional shape sets up to the U-shaped, two limit switch of support frame top fixedly connected with, two limit switch is symmetry form evenly distributed.
This kind of unipolar workstation teaching aid is through setting up demonstration mechanism, in the in-service use, can select partial module wherein to carry out closed-loop control according to actual need, can detect each item of data of the slip of base in real time simultaneously, but often its volume is great, and the cost is higher, inconvenient disassembling to the problem of bringing is that purchase is small in quantity, lays the fixed inconvenient transport in place, is unfavorable for the inside mechanical operation process of student directly perceived.
Disclosure of Invention
The utility model aims at providing a portable ball closed-loop control classroom teaching aid, it has portable teaching aid, does not receive the place restriction of giving lessons, can easily carry, and the closed loop link is complete, contains the theory profoundly to the advantage of witness.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a portable ball closed-loop control classroom teaching aid, includes the base, be equipped with ball on the base, one of base is served and is equipped with step motor, pass through the coupling joint between step motor and the ball, still be equipped with controlling means on the step motor, still be equipped with measuring device on the ball, base one side is equipped with the reading device who matches with measuring device.
Further setting: the measuring device comprises a lead screw sliding block arranged on the ball screw, a fixed iron angle arranged on one side of the lead screw sliding block and a pull rope sensor fixed on one side of the stepping motor and connected with the fixed iron angle.
Further setting: the control device comprises a control block positioned on the stepping motor, a PLC (programmable logic controller) arranged in the control block, a driver arranged on the PLC and connected with the stepping motor, and a touch screen arranged on the surface of the control block and electrically connected with the PLC.
Further setting: the reading device comprises a scale pointer arranged on the screw rod sliding block and a scale ruler arranged on one side of the base.
To sum up, the utility model discloses following beneficial effect has:
can be used as a teacher demonstration
(1) Powering on and starting up;
(2) after the system initialization is finished, setting a distance on the touch screen, wherein the setting range is within a range of 0-60 cm;
(3) when the system is adjusted, the screw rod sliding block stops moving, the scale ruler is observed, and whether the numerical value indicated by the scale pointer is the same as the display value of the touch screen is checked;
can be used as a practical training for students
(1) The hardware principle and the wiring and closed-loop control principle of the system are mainly learned;
(2) and carrying out PLC programming practical training according to the control requirement, wherein the practical training requirement is the same as other practical training courses, and the program debugging method of the closed-loop system is mainly trained.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a structural block diagram of a portable ball screw closed-loop control classroom teaching aid.
In the figure, 1, a base; 2. a ball screw; 3. a stepping motor; 4. a coupling; 5. a measuring device; 51. a lead screw slider; 52. fixing an iron angle; 53. a pull cord sensor; 6. a control device; 61. a control block; 62. a PLC controller; 63. A driver; 64. a touch screen; 7. a reading device; 71. a scale pointer; 72. a graduated scale.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The utility model adopts the technical proposal that:
a portable ball screw closed-loop control classroom teaching aid comprises a base 1, wherein a ball screw 2 is arranged on the base 1, a stepping motor 3 is arranged at one end of the base 1, and the stepping motor 3 is connected with the ball screw 2 through a coupler 4; the ball screw 2 and the stepping motor 3 are also provided with a measuring device 5, and the measuring device 5 comprises a screw rod slide block 51 arranged on the ball screw 2, a fixed iron angle 52 arranged on one side of the screw rod slide block 51 and a pull rope sensor 53 fixed on one side of the stepping motor 3 and connected with the fixed iron angle 52; the stepping motor 3 is also provided with a control device 6, and the control device 6 comprises a control block 61 positioned on the stepping motor 3, a PLC (programmable logic controller) 62 arranged in the control block 61, a driver 63 arranged on the PLC 62 and connected with the stepping motor 3, and a touch screen 64 arranged on the surface of the control block 61 and electrically connected with the PLC 62; one side of the base 1 is provided with a reading device 7 matched with the measuring device 5, and the reading device 7 comprises a scale pointer 71 arranged on the screw rod slide block 51 and a scale ruler 72 arranged on one side of the base 1.
The structural block diagram is shown in fig. 1, the range of the measuring length of the pull rope sensor 53 is 0-60cm, the output analog voltage is 0-5V, an analog quantity acquisition module is arranged in the PLC controller 62, and a/D conversion is performed on the output analog quantity, and the whole working principle is as follows: can carry out the distance through touch-sensitive screen 64 and set for, PLC controller 62 receives behind the set signal, will send control signal to driver 63 according to the real-time position information of stay cord sensor 53 feedback, then driver 63 control step motor 3 rotates, step motor 3 drives ball 2 rotations through shaft coupling 4, ball 2 drives lead screw slider 51 can be two-way rectilinear motion, and lead screw slider 51 drives scale pointer 71 and removes, when actual distance reaches the set distance, PLC controller 62 controls step motor 3 stop motion, scale pointer 71 will instruct corresponding distance numerical value on scale 72 this moment, the student can be through observing this numerical value with the exactness of inspection control procedure.
The above is the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the simple modifications, equivalent changes and modifications made by the technical entity of the present invention to the above embodiments all belong to the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a portable ball closed-loop control classroom teaching aid, includes base (1), its characterized in that: be equipped with ball (2) on base (1), one of base (1) is served and is equipped with step motor (3), be connected through shaft coupling (4) between step motor (3) and ball (2), still be equipped with controlling means (6) on step motor (3), still be equipped with measuring device (5) on ball (2), base (1) one side is equipped with reading device (7) that matches with measuring device (5).
2. The portable ball screw closed-loop control classroom teaching aid of claim 1, wherein: the measuring device (5) comprises a screw rod sliding block (51) arranged on the ball screw (2), a fixed iron angle (52) arranged on one side of the screw rod sliding block (51) and a pull rope sensor (53) fixed on one side of the stepping motor (3) and connected with the fixed iron angle (52).
3. The portable ball screw closed-loop control classroom teaching aid of claim 2, wherein: the control device (6) comprises a control block (61) positioned on the stepping motor (3), a PLC (programmable logic controller) arranged in the control block (61), a driver (63) arranged on the PLC (62) and connected with the stepping motor (3), and a touch screen (64) arranged on the surface of the control block (61) and electrically connected with the PLC (62).
4. A portable ball screw closed-loop control classroom teaching aid as claimed in claim 3, wherein: the reading device (7) comprises a scale pointer (71) arranged on the lead screw sliding block (51) and a scale (72) arranged on one side of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554741.XU CN214586521U (en) | 2021-03-18 | 2021-03-18 | Portable ball screw closed-loop control classroom teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554741.XU CN214586521U (en) | 2021-03-18 | 2021-03-18 | Portable ball screw closed-loop control classroom teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214586521U true CN214586521U (en) | 2021-11-02 |
Family
ID=78320180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120554741.XU Active CN214586521U (en) | 2021-03-18 | 2021-03-18 | Portable ball screw closed-loop control classroom teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214586521U (en) |
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2021
- 2021-03-18 CN CN202120554741.XU patent/CN214586521U/en active Active
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