CN212208716U - A small PLC-controlled refrigeration system teaching equipment - Google Patents

Abstract

The utility model belongs to the technical field of teaching equipment, and specifically discloses a small PLC-controlled refrigeration system teaching equipment, which comprises a teaching table, an installation frame, a refrigeration system, a support frame, a camera device and a PLC control device. The installation frame includes an installation plate, the installation plate is installed on the teaching table through the first telescopic rod, the upper end of the installation plate is fixed with a refrigeration system through a fixing block, and the bottom end of the installation plate is provided with a height adjustment device, The front and rear ends of the two sides of the teaching table are provided with support frames, the support frames include a second telescopic rod, a fastening screw is provided on the second telescopic rod, and an angle adjustment device is provided on the second telescopic rod , the angle adjustment device is provided with a camera device. The utility model can photograph the refrigeration system from different angles, so that the details of the working state of the refrigeration system can be easily displayed through the projection device, and the teaching is convenient.

Description

A small PLC-controlled refrigeration system teaching equipment

technical field

The utility model relates to a small PLC-controlled refrigeration system teaching equipment, which belongs to the technical field of teaching equipment.

Background technique

Most of the existing refrigeration system teaching is to place the refrigeration system on the podium for teaching. During the teaching process, most of the students sit on the seats, and the detailed operation of the refrigeration system cannot be clearly observed, which makes the teaching effect poor. Small PLC control refrigeration system teaching equipment to solve the above problems.

Utility model content

The purpose of the present utility model is to provide a small PLC-controlled refrigeration system teaching equipment, which solves the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a small PLC-controlled refrigeration system teaching equipment, including a teaching table, a mounting frame, a refrigeration system, a support frame, a camera device and a PLC control device, and the middle of the teaching table is provided with a an installation frame, the installation frame includes an installation plate, the installation plate is installed on the teaching table through a first telescopic rod, the upper end of the installation plate is fixed with a refrigeration system through a fixing block, and the bottom end of the installation plate is provided with a height adjustment device , the front and rear ends of both sides of the teaching table are provided with support frames, the support frames include a second telescopic rod, the second telescopic rod is provided with a fastening screw, and the second telescopic rod is provided with an angle adjustment A camera device is arranged on the angle adjustment device, the PLC control device is arranged on the teaching table, and the camera device is electrically connected with the PLC control device.

Preferably, the bottom end of the teaching table is provided with a pulley and a brake pad.

Preferably, the height adjustment device includes an adjustment rod, an installation groove is provided on the teaching table, the adjustment rod is installed in the installation groove, a drive groove is provided on one side of the adjustment rod, and a side of the installation groove is arranged in the installation groove. A drive unit is embedded.

Preferably, the drive device includes an installation shaft, the installation shaft is embedded in the teaching table on one side of the installation slot, a drive gear is fixed on the installation shaft, and the drive gear and the drive slot on the adjustment rod are engaged with each other, A rotating rod is provided on the installation shaft, a fixing hole is provided on the teaching table above the rotating rod, a clamping rod is arranged in the fixing hole, and the clamping rod acts on the rotating rod.

Preferably, the angle adjustment device includes a lateral rotation shaft, the lateral rotation shaft is fixed on the top end of the second telescopic rod, a longitudinal rotation shaft is installed on the lateral rotation shaft through a connecting block, and a camera device is fixed on the longitudinal rotation shaft, and the lateral rotation shaft is Fixing screws are arranged on the rotating shaft and the longitudinal rotating shaft.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model belongs to the technical field of teaching equipment, and specifically discloses a small PLC-controlled refrigeration system teaching equipment. The height of the refrigeration system can be adjusted through a set mounting frame, the set angle adjustment device can adjust the shooting angle of a camera device, and the set camera The device is connected to the projection equipment in the classroom, and the detailed operation of the refrigeration system can be clearly displayed, which is convenient for students to understand and improves the teaching effect. The utility model has the advantages of simple structure, convenient operation and strong practicability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of the angle adjustment device of the present invention;

3 is a schematic diagram of the height adjustment device of the present invention;

In the figure: 1. Teaching table; 2. Mounting frame; 3. Refrigeration system; 4. Supporting frame; 5. Camera device; 6. PLC control device; 7. Mounting plate; 8. First telescopic rod; 9. Fixed block ; 10, height adjustment device; 11, second telescopic rod; 12, fastening screw; 13, angle adjustment device; 14, pulley; 15, brake pad; 16, adjustment rod; 17, installation slot; 18, drive slot; 19. Drive device; 20. Installation shaft; 21. Drive gear; 22. Rod; 23. Fixing hole; 24. Clamping rod; 25. Fixing screw;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

1-3, the present utility model provides a technical solution: a small PLC-controlled refrigeration system teaching equipment, comprising a teaching table 1, an installation frame 2, a refrigeration system 3, a support frame 4, a camera device 5 and a PLC control device 6. The middle of the teaching table 1 is provided with a mounting frame 2, the mounting frame 2 includes a mounting plate 7, the mounting plate 7 is installed on the teaching table 1 through the first telescopic rod 8, and the upper end of the mounting plate 7 is fixed by The block 9 is fixed with the refrigeration system 3 , the bottom end of the mounting plate 7 is provided with a height adjustment device 10 , the front and rear ends of both sides of the teaching table 1 are provided with a support frame 4 , and the support frame 4 includes a second telescopic rod 11 . , the second telescopic rod 11 is provided with a fastening screw 12, the second telescopic rod 11 is provided with an angle adjustment device 13, the angle adjustment device 13 is provided with a camera device 5, and the PLC control device 6 Set on the teaching platform 1 , the camera device 5 is electrically connected with the PLC control device 6 .

Further, the bottom end of the teaching table 1 is provided with a pulley 14 and a brake pad 15 .

Further, the height adjustment device 10 includes an adjustment rod 16 , an installation groove 17 is provided on the teaching table 1 , the adjustment rod 16 is installed in the installation groove 17 , and a drive groove 18 is provided on one side of the adjustment rod 16 , a drive device 19 is embedded in one side of the installation groove 17 .

Further, the driving device 19 includes an installation shaft 20, the installation shaft 20 is embedded in the teaching table 1 on one side of the installation groove 17, and a drive gear 21 is fixed on the installation shaft 20, and the drive gear 21 is connected to the teaching table 1. The drive slots 18 on the adjustment rod 16 are engaged with each other, the installation shaft 20 is provided with a rotating rod 22, the teaching table 1 above the rotating rod 22 is provided with a fixing hole 23, and a clamping rod is set in the fixing hole 23 24. The clamping rod 24 acts on the rotating rod 22.

Further, the angle adjustment device 13 includes a lateral rotation shaft 26 , the lateral rotation shaft 26 is fixed on the top end of the second telescopic rod 11 , and a longitudinal rotation shaft 28 is installed on the lateral rotation shaft 26 through a connecting block 27 . The camera device 5 is fixed, and fixing screws 25 are provided on the horizontal rotating shaft 26 and the vertical rotating shaft 28 .

Working principle: The utility model is a small PLC-controlled refrigeration system teaching equipment. When in use, the movement and fixing of the teaching table 1 are facilitated by the pulleys 14 and the brake pads 15 arranged at the bottom of the teaching table 1, and the cooling system is adjusted by the installed mounting frame 2. The height of the system 3 is convenient for the teacher's operation. Pull out the clamping rod 24 from the fixing hole 23, so that the clamping rod 24 is separated from the limit of the rotation rod 22, and then rotate the rotation rod 22 so that the rotation rod 22 drives the installation shaft 20 to rotate, and the installation The drive gear 21 on the shaft 20 acts on the drive slot 18 on the adjusting rod 16, thereby driving the adjusting rod 16 to move up and down in the mounting groove 17, and the adjusting rod 16 moves up and down to drive the mounting plate 7 to move up and down, thereby driving the mounting plate 7 to move up and down. The refrigeration system 3 on the upper part moves up and down to adjust the height. After adjusting the height of the refrigeration system 3 , adjust the height of the second telescopic rod 11 to adjust the height of the camera device 5 , and fix the second telescopic rod 11 through the fastening screws 12 on the second telescopic rod 11 . The length of the rod 11 is enough, and then loosen the horizontal shaft 26 and the vertical shaft 28 in the angle adjustment device 13, and the horizontal shaft 26 and the vertical shaft 28 can be adjusted to adjust the angle of the camera device 5. After adjusting the angle, use the fixing screw 25 Fix the angle of the horizontal axis 26 and the vertical axis 28, and then connect the PLC control device 6 to the projection equipment in the classroom, and the PLC control device 6 transmits the image captured by the camera device 5 to the projection device, and displays it to the classroom through the projection device. Students, so as to ensure that some detailed operations of the refrigeration system can be clearly displayed to the students and improve the teaching effect.

It is worth noting that since the equipment matched with the control button is a common equipment and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be repeated here.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a small-size PLC control refrigerating system teaching equipment which characterized in that: comprises a teaching platform (1), a mounting rack (2), a refrigerating system (3), a support frame (4), a camera device (5) and a PLC control device (6), wherein the mounting rack (2) is arranged in the middle of the teaching platform (1), the mounting rack (2) comprises a mounting plate (7), the mounting plate (7) is mounted on the teaching platform (1) through a first telescopic rod (8), the refrigerating system (3) is fixed at the upper end of the mounting plate (7) through a fixing block (9), a height adjusting device (10) is arranged at the bottom end of the mounting plate (7), the support frames (4) are arranged at the front end and the rear end of the two sides of the teaching platform (1), the support frames (4) comprise second telescopic rods (11), fastening screws (12) are arranged on the second telescopic rods (11), an angle adjusting device (13) is arranged on the second telescopic rods (11), the camera device (5) is arranged on the angle adjusting device (, PLC controlling means (6) set up on teaching platform (1), camera device (5) and PLC controlling means (6) electric connection.

2. The small-sized PLC-controlled refrigeration system teaching device as claimed in claim 1, wherein: the bottom end of the teaching platform (1) is provided with a pulley (14) and a brake block (15).

3. The small-sized PLC-controlled refrigeration system teaching device as claimed in claim 1, wherein: height adjusting device (10) are including adjusting pole (16), be provided with mounting groove (17) on teaching platform (1), it installs in mounting groove (17) to adjust pole (16), it is provided with driving groove (18) to adjust pole (16) one side, embedded drive arrangement (19) of installing in mounting groove (17) one side.

4. A small PLC controlled refrigeration system teaching device according to claim 3 wherein: drive arrangement (19) are including installation axle (20), install axle (20) embedded in teaching platform (1) of mounting groove (17) one side, be fixed with drive gear (21) on installation axle (20), drive gear (21) and adjust drive groove (18) intermeshing on pole (16), be provided with bull stick (22) on installation axle (20), be provided with fixed orifices (23) on teaching platform (1) of bull stick (22) top, be provided with kelly (24) in fixed orifices (23), kelly (24) act on bull stick (22).

5. The small-sized PLC-controlled refrigeration system teaching device as claimed in claim 1, wherein: angle adjusting device (13) include transverse rotating shaft (26), transverse rotating shaft (26) are fixed on second telescopic link (11) top, install vertical pivot (28) through connecting block (27) on transverse rotating shaft (26), be fixed with camera device (5) on vertical pivot (28), be provided with set screw (25) on transverse rotating shaft (26) and vertical pivot (28).

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