Portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputer

Abstract

The invention discloses a portable single-chip microcomputer practice teaching device for teaching and self-learning a single-chip microcomputer, and relates to the technical field of single-chip microcomputer practice teaching equipment, the portable single-chip microcomputer practice teaching device comprises an experiment box, and the bottom end of the experiment box is connected with a mounting plate. According to the device, by rotating a rotating rod, a first bevel gear can drive a second bevel gear, a sleeve, a connecting rod and a screw rod to rotate, so that a first supporting plate on the surface of the screw rod can be moved out from the interior of a mounting plate, the supporting area can be increased, more instruments and equipment can be placed on a small table top, and the practicability is high. First supporting plates are arranged on the periphery of the mounting plate, so that when the supporting plate on which side needs to be moved out, a connecting rod and a sleeve can be moved to the temporal part of the sleeve, and a fixing rod in the sleeve can be moved into a fixing hole, and therefore, when a first bevel gear rotates, a specified second bevel gear, a screw rod and the like can be driven to rotate, and the operation is convenient. The supporting plate on which side can be adjusted according to the size of the table top and the placement condition of instruments and equipment, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of LED lamp housings, and in particular to a portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers. Background Art

[0002] A single-chip microcomputer is an integrated circuit chip that uses very large-scale integrated circuit technology to integrate a central processing unit CPU with data processing capabilities, random access memory RAM, read-only memory ROM, multiple I / O ports and interrupt systems, timer / counters and other functions (may also include display drive circuits, pulse width modulation circuits, analog multiplexers, A / D converters and other circuits) onto a piece of silicon chip to form a small and complete microcomputer system. It is widely used in the field of industrial control. It is a portable single-chip microcomputer practical teaching device for teaching and self-study of single-chip microcomputers, mainly used for teaching and self-study practice of single-chip microcomputers. This device usually integrates various hardware resources and software tools required for single-chip microcomputer experiments, allowing users to program, debug and practice single-chip microcomputers in a portable environment; the current portable single-chip microcomputer practical teaching device for teaching and self-study of single-chip microcomputers is usually a single-chip microcomputer experiment box, which is an experimental equipment that integrates a single-chip microcomputer and its necessary peripheral circuits and interfaces, and is usually used for teaching and experiments in the fields of electronic engineering and computer science. It provides rich functional modules and interfaces to facilitate users to build complex circuit systems and conduct various single-chip microcomputer-related experiments. It also requires an oscilloscope, power supply equipment, programmer, and computer to be used together, but during use, a larger work surface is required to place the instruments and equipment, and the current equipment occupies a large area, so it cannot be used on some smaller countertops, which affects the teaching or self-study of single-chip microcomputers. Summary of the invention

[0003] The invention provides a portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers, which solves the problems in the background technology.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers, comprising an experimental box, a mounting plate is connected to the bottom end of the experimental box, a rotating rod is rotatably connected to the center of the bottom end of the mounting plate, and a first bevel gear is connected to the top end of the rotating rod;

[0006] A plurality of second bevel gears are connected to the surface of the first bevel gear in an annular manner with equal spacing, and a sleeve is connected to the surface of the second bevel gear, and a partition is connected to the inner wall of the sleeve, and connection holes are symmetrically opened on the surface of the partition;

[0007] The first support plates are slidably connected to the four sides of the mounting plate, and a connecting groove is provided on one side of the first support plate. A screw rod is threadedly connected to the inner part of the connecting groove, and a connecting rod is sleeved inside the screw rod. A sleeve is symmetrically provided on the surface of the connecting rod.

[0008] The inner bottom end of the sleeve is connected to a first spring, the top end of the first spring is connected to a circular plate, and the top end of the circular plate is connected to a fixing rod connected to the inside of the connecting hole.

[0009] As a further description of the above technical solution:

[0010] The surfaces of the sleeve and the screw are respectively connected with a first bearing and a second bearing, and the first bearing and the second bearing are connected with the inside of the mounting plate.

[0011] As a further description of the above technical solution:

[0012] The surface of the connecting rod is symmetrically provided with a first groove, and the interior of the first groove is connected to a second spring, one side of the second spring is connected to a T-shaped rod, and the surface of the screw rod is provided with a hole groove connected to the T-shaped rod.

[0013] As a further description of the above technical solution:

[0014] The inner wall of the screw rod is symmetrically provided with sliding grooves, and the interior of the sliding groove is slidably connected with a sliding block connected with the connecting rod.

[0015] As a further description of the above technical solution:

[0016] The bottom end of the mounting plate is provided with second grooves in an annular manner and at equal intervals.

[0017] As a further description of the above technical solution:

[0018] The bottom end of the first supporting plate is hinged with a second supporting plate.

[0019] As a further description of the above technical solution:

[0020] A fixing hole is provided on one side of the second support plate, a third groove is provided on the bottom end of the first support plate, and a third spring is connected to the inside of the third groove, a movable plate is connected to one side of the third spring, and a limiting rod connected to the inside of the fixing hole is connected to one side of the movable plate.

[0021] As a further description of the above technical solution:

[0022] The surface of the experimental box is connected to a mounting bar, and a mounting groove is opened on the surface of the mounting bar. The inner wall of the mounting groove is rotatably connected to a rotating rod, and the surface of the rotating rod is connected to a connecting tube. The interior of the connecting tube is slidably connected to a moving rod, and a limiting plate is inclined at the bottom end of the moving rod.

[0023] As a further description of the above technical solution:

[0024] The surfaces of the connecting pipe and the moving rod are provided with a plurality of through holes at equal distances, and the insides of the through holes are connected with latches.

[0025] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0026] 1. In the present invention, by rotating the rotating rod, the first bevel gear can drive the second bevel gear, the sleeve, the connecting rod and the screw to rotate, so that the first support plate on the surface of the screw can be moved out from the inside of the mounting plate, so as to increase the support area and place more instruments and equipment on a smaller desktop. Moreover, since the first support plates are arranged around the mounting plate, when the support plate on one side needs to be moved out, the connecting rod and the sleeve can be moved to the temporal part of the sleeve, and the fixing rod inside the sleeve can be moved to the inside of the fixing hole. Therefore, when the first bevel gear rotates, the designated second bevel gear and the screw can be driven to rotate, so that the support plate on one side can be adjusted according to the size of the desktop and the placement of the instruments and equipment, which is convenient for use.

[0027] 2. In the present invention, by moving out the first support plate, a second support plate is hinged at the bottom end thereof, so that the placement area can be expanded again, so that enough instruments and equipment can be placed when used on a smaller desktop. After the second support plate is moved out, the third spring can be used to drive the movable plate and the limiting rod to move to the inside of the fixing hole on one side of the second support plate, so that the second support plate can be limited.

[0028] 3. In the present invention, the connecting pipe and the moving rod can be moved out by rotating the rotating rod, so that the limit plate at the bottom end of the moving rod can be moved to the surface of the second support plate, and the limit plate and the second support plate can be connected by bolts, so as to support the second support plate and the first support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of the structure of a portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers in the present invention;

[0030] Figure 2 It is a schematic diagram of the structure of the bottom part of the experimental box in the present invention;

[0031] Figure 3 It is a schematic diagram of the surface structure of the rotating rod in the present invention;

[0032] Figure 4 for Figure 3 The enlarged structural diagram at B in the middle;

[0033] Figure 5 It is a schematic diagram of the internal structure of the casing in the present invention;

[0034] Figure 6 This is a schematic diagram of the internal structure of the screw in the present invention;

[0035] Figure 7 It is a schematic diagram of the internal structure of the sleeve in the present invention;

[0036] Figure 8 This is a schematic diagram of the bottom structure of the first support plate in the present invention;

[0037] Fig. 9 for Figure 2 Enlarged structural diagram at A in the middle.

[0038] Legend:

[0039] 1. Experimental box; 2. Mounting plate; 3. Rotating rod; 4. First bevel gear; 5. Second bevel gear; 6. Sleeve; 7. Partition; 8. Connecting hole; 9. First support plate; 10. Screw; 11. Connecting rod; 12. Sleeve; 13. First spring; 14. Circular plate; 15. Fixed rod; 16. First bearing; 17. Second bearing; 18. First groove; 19. Second spring; 20. T-bar; 21. Hole groove; 22. Slide groove; 23. Slider; 24. Second groove; 25. Second support plate; 26. Fixed hole; 27. Third groove; 28. Third spring; 29. ​​Moving plate; 30. Limit rod; 31. Mounting strip; 32. Rotating rod; 33. Connecting pipe; 34. Moving rod; 35. Limit plate. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Reference Figure 1-9A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers, comprising an experimental box 1, a mounting plate 2 is connected to the bottom end of the experimental box 1, and a rotating rod 3 is rotatably connected to the bottom center of the mounting plate 2, and a first bevel gear 4 is connected to the top of the rotating rod 3; a plurality of second bevel gears 5 are connected to the surface of the first bevel gear 4 in an annular equidistant meshing manner, and a sleeve 6 is connected to the surface of the second bevel gear 5, a partition 7 is connected to the inner wall of the sleeve 6, and a connecting hole 8 is symmetrically opened on the surface of the partition 7; first support plates 9 are slidably connected to the four sides of the mounting plate 2, and the first support plates A connecting groove is provided on one side of 9, and a screw 10 is connected to the inner thread of the connecting groove, and a connecting rod 11 is sleeved inside the screw 10, and a sleeve 12 is symmetrically arranged on the surface of the connecting rod 11; the inner bottom end of the sleeve 12 is connected to a first spring 13, and the top end of the first spring 13 is connected to a circular plate 14, and the top end of the circular plate 14 is connected to a fixing rod 15 connected to the inside of the connecting hole 8. When the first support plate 9 on which side needs to be moved, the second groove 24 can be used to operate to move the connecting rod 11 and the sleeve 12 to the inside of the sleeve 6, and the inside of the sleeve 12 is The fixing rod 15 is in contact with the partition 7, and the partition 7 is in an extrusion state on the fixing rod 15. Through the action of the second spring 19, the T-shaped rod 20 is connected to the inside of the hole groove 21, and the connecting rod 11 and the sleeve 12 are limited. By rotating the rotating rod 3, the first bevel gear 4 and the second bevel gear 5 are driven to rotate, and the second bevel gear 5 can drive the sleeve 6 to rotate. At this time, the sleeve 6 corresponding to the first support plate 9 that needs to be removed has a connecting rod 11 and a sleeve 12 inside. When the sleeve 6 rotates, it can drive the partition 7 and the connecting hole 8 By rotating, the connecting hole 8 can be rotated to one side of the fixing rod 15, and the fixing rod 15 can be squeezed into the inside of the connecting hole 8 by the first spring 13, so that the sleeve 6 can drive the partition 7, the fixing rod 15, the sleeve 12, the connecting rod 11 and the screw 10 to rotate, so that the first support plate 9 threadedly connected to the surface of the screw 10 can be moved out from the inside of the mounting plate 2, so that the support plate on which side can be moved out can be conveniently placed on a smaller desktop to facilitate self-study or teaching experiments.

[0042] Furthermore, the surfaces of the sleeve 6 and the screw 10 are respectively connected with a first bearing 16 and a second bearing 17, and the first bearing 16 and the second bearing 17 are connected to the inside of the mounting plate 2. The first bearing 16 and the second bearing 17 are convenient for supporting and limiting the sleeve 6 and the screw 10 so that they can rotate.

[0043] Furthermore, a first groove 18 is symmetrically provided on the surface of the connecting rod 11, and a second spring 19 is connected to the inside of the first groove 18, a T-bar 20 is connected to one side of the second spring 19, and a hole groove 21 connected to the T-bar 20 is provided on the surface of the screw rod 10, so that after the connecting rod 11 and the sleeve 12 are moved to the inside of the sleeve 6, the T-bar 20 connected thereto can be moved to the inside of the hole groove 21 through the action of the second spring 19, thereby limiting the connecting rod 11 and the sleeve 12.

[0044] Furthermore, the inner wall of the screw rod 10 is symmetrically provided with a slide groove 22, and the inside of the slide groove 22 is slidably connected with a slider 23 connected to the connecting rod 11. The slider 23 and the slide groove 22 facilitate the limited movement of the screw rod 10 to ensure that the T-bar 20 can move in a straight line of the hole groove 21.

[0045] Furthermore, the bottom end of the mounting plate 2 is provided with second grooves 24 at equal intervals in an annular shape, which facilitates moving the connecting rod 11 through the second grooves 24 or performing an extrusion operation on the T-shaped rod 20 .

[0046] Furthermore, a second support plate 25 is hinged at the bottom end of the first support plate 9, so that the second support plate 25 can be flipped out from the bottom end of the first support plate 9 through the hinge to further expand the placement area of ​​the object. The width of the second support plate 25 is smaller than the width of the first support plate 9.

[0047] Furthermore, a fixing hole 26 is provided on one side of the second support plate 25, a third groove 27 is provided on the bottom end of the first support plate 9, and a third spring 28 is connected to the inside of the third groove 27, a movable plate 29 is connected to one side of the third spring 28, and a limiting rod 30 connected to the inside of the fixing hole 26 is connected to one side of the movable plate 29, so that after the second support plate 25 is flipped out from the bottom end of the first support plate 9, the movable plate 29 connected thereto can drive the limiting rod 30 to move through the action of the third spring 28, and the limiting rod 30 can be moved to the inside of the fixing hole 26 on one side of the second support plate 25, thereby supporting the second support plate 25.

[0048] Furthermore, a mounting bar 31 is connected to the surface of the experimental box 1, and a mounting groove is opened on the surface of the mounting bar 31, the inner wall of the mounting groove is rotatably connected to a rotating rod 32, and the surface of the rotating rod 32 is connected to a connecting tube 33, the interior of the connecting tube 33 is slidably connected to a moving rod 34, and a limiting plate 35 is obliquely provided at the bottom end of the moving rod 34, so that after the second support plate 25 is moved out of the support, the connecting tube 33 and the like can be taken out from the interior of the mounting groove by rotating the rotating rod 32, and the moving rod 34 inside the connecting tube 33 can be moved, the limiting plate 35 at the bottom end of the moving rod 34 can be moved to the surface of the second support plate 25, and the bolts can be passed through the limiting plate 35 to connect with the interior of the second support plate 25, so that the second support plate 25 can be supported, etc.

[0049] Furthermore, a plurality of through holes are equidistantly provided on the surfaces of the connecting tube 33 and the movable rod 34, and a latch is connected to the inside of the through hole, so that after the movable rod 34 is moved out of the interior of the connecting tube 33 to a specified position, the latch can be inserted into the inside of the through hole on its surface, thereby limiting the position of the movable rod 34.

[0050] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers, comprising an experimental box (1), characterized in that: The bottom end of the experimental box (1) is connected to a mounting plate (2), and a rotating rod (3) is rotatably connected to the center of the bottom end of the mounting plate (2), and a first bevel gear (4) is connected to the top end of the rotating rod (3); The surface of the first bevel gear (4) is annularly equidistantly meshed with a plurality of second bevel gears (5), and the surface of the second bevel gear (5) is connected to a sleeve (6), the inner wall of the sleeve (6) is connected to a partition (7), and the surface of the partition (7) is symmetrically provided with connection holes (8); The first support plates (9) are slidably connected to the four sides of the mounting plate (2), and a connection groove is provided on one side of the first support plate (9). A screw rod (10) is threadedly connected to the interior of the connection groove, and a connecting rod (11) is sleeved inside the screw rod (10). A sleeve (12) is symmetrically provided on the surface of the connecting rod (11); The inner bottom end of the sleeve (12) is connected to a first spring (13), and the top end of the first spring (13) is connected to a circular plate (14), and the top end of the circular plate (14) is connected to a fixing rod (15) connected to the inside of the connecting hole (8).

2. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: The surfaces of the sleeve (6) and the screw rod (10) are respectively connected with a first bearing (16) and a second bearing (17), and the first bearing (16) and the second bearing (17) are connected to the inside of the mounting plate (2).

3. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: The surface of the connecting rod (11) is symmetrically provided with a first groove (18), and the interior of the first groove (18) is connected to a second spring (19), one side of the second spring (19) is connected to a T-shaped rod (20), and the surface of the screw rod (10) is provided with a hole groove (21) connected to the T-shaped rod (20).

4. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: The inner wall of the screw rod (10) is symmetrically provided with a sliding groove (22), and the interior of the sliding groove (22) is slidably connected with a sliding block (23) connected to the connecting rod (11).

5. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: The bottom end of the mounting plate (2) is provided with second grooves (24) at equal intervals in an annular shape.

6. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: A second supporting plate (25) is hingedly connected to the bottom end of the first supporting plate (9).

7. A portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: A fixing hole (26) is provided on one side of the second support plate (25), a third groove (27) is provided on the bottom end of the first support plate (9), and a third spring (28) is connected to the inside of the third groove (27), a movable plate (29) is connected to one side of the third spring (28), and a limiting rod (30) connected to the inside of the fixing hole (26) is connected to one side of the movable plate (29).

8. The portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: The surface of the experimental box (1) is connected to a mounting strip (31), and a mounting groove is provided on the surface of the mounting strip (31). The inner wall of the mounting groove is rotatably connected to a rotating rod (32), and the surface of the rotating rod (32) is connected to a connecting tube (33). The interior of the connecting tube (33) is slidably connected to a moving rod (34), and a limiting plate (35) is obliquely provided at the bottom end of the moving rod (34).

9. The portable single-chip microcomputer practical teaching device for teaching and self-learning single-chip microcomputers according to claim 1, characterized in that: The surfaces of the connecting tube (33) and the moving rod (34) are provided with a plurality of through holes at equal distances, and the insides of the through holes are connected with latches.

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