A demonstration device for transmitting and receiving electromagnetic waves

Abstract

The utility model discloses an electromagnetic wave transceiver demonstration device, including a box body, a packaging mechanism is arranged on the outside of the box body, and a testing mechanism is also included, and the testing mechanism is located inside the box body. Beneficial effects: the demonstration device is folded and stored by a storage component, so that it is convenient to store it during use, the space occupied is small, it is more convenient to use, and it is conducive to display during the experimental demonstration process. Then, the angle and position of the demonstration device are adjusted in all directions by the adjustment component, so that the device can be demonstrated more fully and comprehensively, and the data obtained from the demonstration experiment is more accurate and more intuitive, which is conducive to observation, thereby improving the flexibility of the device demonstration and improving the convenience of use of the device.

Description

Technical Field

[0001] The utility model relates to the field of electromagnetic wave transceiver demonstration, in particular to an electromagnetic wave transceiver demonstration device. Background Art

[0002] Electromagnetic waves are oscillating particle waves derived and emitted in space by electric and magnetic fields that are in phase and perpendicular to each other. They are electromagnetic fields that propagate in the form of waves and have the dual nature of wave and particle. Their particle form is called photon. The relationship between electromagnetic waves and photons is not black and white, but two aspects of their properties that are reflected according to different actual research.

[0003] By comparing with the teaching electromagnetic wave receiving and transmitting demonstration device of patent number CN216211799U, in this scheme, when the demonstration device is used, it takes up a large space when unfolded, and it is inconvenient to fold and unfold the device before and after use. It is not convenient to fold and store it, and it takes up a large space when carrying it after use, which is inconvenient to carry and has certain limitations. Utility Model Content

[0004] The purpose of the utility model is to provide an electromagnetic wave transmitting and receiving demonstration device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] An electromagnetic wave transceiver demonstration device comprises a box, a packaging mechanism is arranged outside the box, and a testing mechanism is arranged inside the box;

[0007] The testing mechanism includes a storage component for folding and storing the demonstration device, and an adjustment component for adjusting the angle position of the demonstration device;

[0008] The storage assembly includes a fixed column fixedly installed inside the box body, a rotating rod is rotatably installed above the fixed column, transmitters are rotatably installed on both sides above the rotating rod, the transmitter and the rotating rod are connected by a torsion spring, three-section telescopic frames are arranged on the front side of the fixed column, the three-section telescopic frames are slidably and telescopically arranged between each other, square sliding grooves with the same width are opened above the three-section telescopic frames, a sliding seat is slidably installed in the square sliding groove, a rotatable receiver is arranged above the sliding seat, and an indicator light is arranged on the upper end of the receiver.

[0009] Preferably: the adjustment assembly includes a lifting plate which is arranged on the front side of the fixed column and can move up and down, and a cylinder is arranged between the lifting plate and the box body, the three-section telescopic frame is arranged above the lifting plate, a rotating shaft is rotatably installed above the sliding seat, and a rotating column is fixed on the rotating shaft, and the receiver is rotatably arranged above the rotating column.

[0010] Preferably, a limiting sleeve is arranged at the front side of the sliding seat, and a plurality of teeth are fixedly mounted on the side of the limiting sleeve and the rotating shaft close to each other, and the plurality of teeth are meshed with each other.

[0011] Preferably, a first bolt is installed between the rotating part of the rotating rod and the fixed column, and a second bolt is arranged between the rotating part of the receiver and the rotating column.

[0012] Preferably: a power box is arranged above the lifting plate, and power lines are connected between the power box and the two transmitters.

[0013] Preferably, the limiting sleeve is connected to the sliding seat via a spring, a first scale is provided on the side wall of the sliding seat, and a second scale is provided on the side walls of the three sections of the telescopic frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] By providing a storage component and an adjustment component, etc., the demonstration device can be folded and stored through the storage component, so that it is easy to store it during use, occupies less space, is more convenient to use, and is conducive to display during the experimental demonstration process. The angle and position of the demonstration device can be adjusted in all directions through the adjustment component, so that the device can be demonstrated more fully and comprehensively, and the data obtained from the demonstration experiment can be more accurate and more intuitive to observe, thereby improving the flexibility of the device demonstration and improving the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a spatial stereogram of an electromagnetic wave transceiver demonstration device described in the utility model;

[0018] Figure 2 It is a structural schematic diagram of a packaging mechanism of an electromagnetic wave transceiver demonstration device described in the utility model;

[0019] Figure 3 It is a structural schematic diagram of a test mechanism of an electromagnetic wave transceiver demonstration device described in the utility model;

[0020] Figure 4 It is a structural cross-sectional view of the interior of a telescopic frame of an electromagnetic wave transceiver demonstration device described in the utility model;

[0021] Figure 5 It is a structural schematic diagram of a receiver part of an electromagnetic wave transceiver demonstration device described in the utility model;

[0022] Figure 6 It is a schematic diagram of the structure between the rotating shaft and the limiting sleeve of an electromagnetic wave transceiver demonstration device described in the utility model;

[0023] Figure 7 It is a structural schematic diagram of a part of a transmitter of an electromagnetic wave transceiver demonstration device described in the utility model.

[0024] The following are the descriptions of the reference numerals:

[0025] 1. Box body; 2. Test mechanism; 21. Rotating rod; 22. Transmitter; 23. Fixed column; 24. Power box; 25. Cylinder; 26. Telescopic frame; 27. Sliding seat; 28. Rotating column; 29. ​​Receiver; 210. Limit sleeve; 211. Teeth; 212. Indicator light; 3. Packaging mechanism; 31. First rotating plate; 32. Fixed shaft; 33. Second rotating plate; 34. Slide rail; 35. Insert block; 36. Fixed block. DETAILED DESCRIPTION

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0028] The utility model is further described below in conjunction with the accompanying drawings:

[0029] like Figure 1-Figure 7 As shown, an electromagnetic wave transceiver demonstration device includes a box 1, a packaging mechanism 3 for packaging and carrying the device, the packaging mechanism 3 is located outside the box 1, and also includes a testing mechanism 2 for conveniently storing the demonstration device, the testing mechanism 2 is located inside the box 1;

[0030] In this embodiment: the test mechanism 2 includes a rotating rod 21, a transmitter 22, a fixed column 23, a power box 24, a cylinder 25, a telescopic frame 26, a sliding seat 27, a rotating column 28, a receiver 29, a limit sleeve 210, a tooth 211, and an indicator light 212. The fixed column 23 is fixedly installed inside the box 1, and the rotating rod 21 is rotatably installed above the fixed column 23. A first bolt is installed between the rotating part of the rotating rod 21 and the fixed column 23. The transmitter 22 is rotatably installed on both sides of the rotating rod 21. The transmitter 22 is connected to the rotating rod 21 by a torsion spring, which is conducive to folding and storing the transmitter 22 and fixing it. A first cushion block is fixed on the upper end of the column 23, which is conducive to cushioning the folded rotating rod 21. A lifting plate that can move up and down is arranged on the front side of the fixed column 23, and a cylinder 25 is arranged between the lifting plate and the box body 1. A power box 24 is arranged above the lifting plate. Power lines are connected between the power box 24 and the two transmitters 22. A three-stage telescopic frame 26 is arranged on the front side of the power box 24. The three-stage telescopic frames 26 are slidingly telescopically arranged. Square slide grooves with the same width are opened above the three-stage telescopic frames 26. A sliding seat 27 is slidably installed in the square slide groove. A rotating shaft is rotatably installed above the sliding seat 27, and a rotating column is fixed on the rotating shaft. 28, a receiver 29 is rotatably mounted above the rotating column 28, a second bolt is arranged between the rotating part of the receiver 29 and the rotating column 28, an indicator light 212 is arranged on the upper end of the receiver 29, a limit sleeve 210 is arranged on the front side of the sliding seat 27, the limit sleeve 210 is connected to the sliding seat 27 through a spring, a plurality of teeth 211 are fixedly mounted on the side of the limit sleeve 210 and the rotating shaft close to each other, and the plurality of teeth 211 are meshed, which is conducive to fixing the rotation angle of the receiver 29, a first scale is arranged on the side wall of the sliding seat 27, which is convenient for adjusting the rotation angle of the receiver 29, and a plurality of teeth 211 are arranged on the side wall of the three-stage telescopic frame 26 The second scale is convenient for clearly observing the position between the transmitter 22 and the receiver 29, which is conducive to adjusting the experimental spacing between them. The demonstration device can be folded and stored through the storage component, so that it is convenient to store it during use, which occupies less space and is more convenient to use, which is conducive to displaying the experimental demonstration process. Then, the angle and position of the demonstration device can be adjusted in all directions through the adjustment component, so that the device can be demonstrated more fully and comprehensively, and the data obtained from the demonstration experiment can be more accurate and more intuitive, which is conducive to observation, thereby improving the flexibility of the device demonstration and improving the convenience of use of the device;

[0031] In this embodiment, the packaging mechanism 3 includes a first rotating plate 31, a fixed shaft 32, a second rotating plate 33, a slide rail 34, an insert block 35, and a fixed block 36. The first rotating plate 31 is rotatably installed on the top of the box body 1, and the second rotating plate 33 is rotatably installed on the rear side of the first rotating plate 31. A slide rail 34 is arranged below the second rotating plate 33, and a partition is fixedly installed in the middle of the slide rail 34. Insert blocks 35 are slidably installed on both sides of the slide rail 34. The insert blocks 35 are L-shaped, and the insert blocks 35 and the partitions are connected by springs. Fixed blocks 36 are fixedly installed on both sides of the bottom of the box body 1, and a jack is opened on the side wall of the fixed block 36, which is convenient for inserting the insert blocks 35. The first rotating plate 31 is fixed with a handle fixed below, and the second rotating plate 33 and the first rotating plate 31 are folded upwards and then buckled on the top of the box body 1, and then the plug blocks 35 are pressed to both sides to shrink them closer to each other, and when the fixed blocks 36 on both sides of the box body 1 are moved, the plug blocks 35 on both sides are loosened and inserted into the jacks in the fixed blocks 36, and then the first rotating plate 31 and the second rotating plate 33 are fixed above the box body 1, and then the box body 1 is lifted by the handle and carried, thereby improving the convenient carrying ability of the device and improving the flexible use of the device.

[0032] Working principle: First, the power is turned on through the power box 24, and its power is transmitted to the two transmitters 22 through two power lines, and then the lifting plate is driven upward by the cylinder 25, and then the receiver 29 is driven upward, and then the sliding seat 27 is slid in the square slide groove, and then the position of the receiver 29 and the distance between the transmitter 22 are adjusted, and then the limit sleeve 210 is pulled forward, and then the shaft is rotated to drive the rotating column 28 to rotate, and then the receiver 29 is driven to rotate, and then the angle of the receiver 29 is adjusted, and then the limit sleeve 210 is released to limit it. The teeth 211 between the sleeve 210 and the rotating shaft are meshed, thereby fixing the position of the rotating shaft, thereby fixing the angular position of the receiver 29, and then by observing the first scale and the second scale, the electromagnetic waves emitted by the transmitter 22 are received by the receiver 29, and then by observing the light of different brightness emitted by the indicator light 212 on the receiver 29, the demonstration experiment of the electromagnetic waves emitted at different angles and different intervals is completed, thereby improving the demonstration range of the electromagnetic waves, and improving the comprehensiveness and accuracy of the experimental data. When the device is used, it needs to be folded and stored. When the power supply of the power box 24 is received, the power supply of the power box 24 is disconnected, and the two transmitters 22 are folded inwardly close to each other, and then the first bolt is loosened to fold the rotating rod 21 downward, and the two transmitters 22 are stored in the upper part of the box body 1, and then the receiver 29 is folded downward by loosening the second bolt, and then the receiver 29 is folded between the telescopic frame 26 and the folded transmitter 22, and then the three-stage telescopic frame 26 is pushed to shrink the three-stage telescopic frame 26 to the rear side, so that the three-stage telescopic frame 26 shrinks inside the one-stage telescopic frame 26, and finally the cylinder 25 is used to shrink the three-stage telescopic frame 26. The telescopic frame 26 is lowered and stored in the box body 1, and then the second rotating plate 33 and the first rotating plate 31 are folded upwards and buckled on the top of the box body 1, and then the plug blocks 35 are pressed to both sides to shrink them closer to each other, and when the fixed blocks 36 on both sides of the box body 1 are moved, the plug blocks 35 on both sides are loosened and inserted into the plug holes in the fixed blocks 36, and then the first rotating plate 31 and the second rotating plate 33 are fixed on the top of the box body 1, and then the box body 1 is lifted by the handle and carried, thereby improving the convenient carrying ability of the device and improving the flexible use of the device.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An electromagnetic wave transceiver demonstration device, comprising a box (1), wherein a packaging mechanism (3) is arranged outside the box (1), and characterized in that: It also includes a testing mechanism (2), wherein the testing mechanism (2) is located inside the box (1); The testing mechanism (2) comprises a storage component for folding and storing the demonstration device, and an adjustment component for adjusting the angle position of the demonstration device; The storage assembly comprises a fixed column (23) fixedly mounted inside the box body (1), a rotating rod (21) being rotatably mounted above the fixed column (23), transmitters (22) being rotatably mounted on both sides above the rotating rod (21), the transmitter (22) being connected to the rotating rod (21) via a torsion spring, a three-section telescopic frame (26) being arranged at the front side of the fixed column (23), the three sections of the telescopic frame (26) being arranged to slide and telescope with each other, square slide grooves of the same width being arranged above the three sections of the telescopic frame (26), a sliding seat (27) being slidably mounted in the square slide groove, a rotatable receiver (29) being arranged above the sliding seat (27), an indicator light (212) being arranged at the upper end of the receiver (29).

2. The electromagnetic wave transmitting and receiving demonstration device according to claim 1, characterized in that: The adjustment assembly comprises a lifting plate arranged in front of the fixed column (23) and movable up and down, and a cylinder (25) is arranged between the lifting plate and the box body (1), the three-stage telescopic frame (26) is arranged above the lifting plate, a rotating shaft is rotatably installed above the sliding seat (27), and a rotating column (28) is fixed on the rotating shaft, and the receiver (29) is rotatably arranged above the rotating column (28).

3. The electromagnetic wave transmitting and receiving demonstration device according to claim 2, characterized in that: A limiting sleeve (210) is arranged on the front side of the sliding seat (27), and a plurality of teeth (211) are fixedly mounted on the side where the limiting sleeve (210) and the rotating shaft are close to each other, and the plurality of teeth (211) are meshed with each other.

4. The electromagnetic wave transmitting and receiving demonstration device according to claim 3, characterized in that: A first bolt is installed between the rotating part of the rotating rod (21) and the fixed column (23), and a second bolt is arranged between the rotating part of the receiver (29) and the rotating column (28).

5. The electromagnetic wave transmitting and receiving demonstration device according to claim 4, characterized in that: A power supply box (24) is arranged above the lifting plate, and power lines are connected between the power supply box (24) and the two transmitters (22).

6. The electromagnetic wave transmitting and receiving demonstration device according to claim 5, characterized in that: The limiting sleeve (210) is connected to the sliding seat (27) via a spring; a first scale is provided on the side wall of the sliding seat (27); and a second scale is provided on the side walls of the three sections of the telescopic frame (26).

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