Vibration detection device for engine model

Abstract

The utility model relates to a vibration detection device for an engine model, which comprises a body which is a supporting structure for the vibration detection device for the engine model, the body is provided with a first horizontal plane and a side wall extending upwards and downwards from the first horizontal plane at equal height, and the lower side of the side wall is connected with the engine model to be subjected to vibration detection. The upper side of the side wall is connected with a second horizontal plane with a through hole; the vibration display device is provided with a bottom, a side wall extending upwards from the bottom and a top opening, the periphery of the side wall of the vibration display device is smaller than the through hole in the second horizontal plane of the body, and the vibration display device is arranged in the through hole in the second horizontal plane of the body and supported by the first horizontal plane; when the liquid or the granular solid is placed in the vibration display device, the vibration amplitude of the liquid or the granular solid in the vibration display device is displayed. According to the vibration detection device provided by the utility model, the vibration state of the engine model of which the vibration is to be detected can be visually fed back.

Description

Technical Field

[0001] The utility model relates to the technical field of engine demonstration models for teaching purposes, and in particular to a vibration detection device for an engine model. Background Art

[0002] At present, in the teaching process, the engine model uses a motor to drive three pistons to move alternately in the cylinder to simulate the state of a car's three-cylinder engine when it is running. The three-cylinder engine has received much attention due to its vibration characteristics.

[0003] Traditional three-cylinder engines generate large vibration amplitudes during operation, which has limited their widespread application. With technological advancements, new three-cylinder engines have reduced vibration through structural optimization. For example, the engine has been upgraded from a two-link engine to a three-link engine, which has reduced vibration. However, it is still difficult for students to understand the details and impact of these improvements. Therefore, a visual display is needed to facilitate students' understanding.

[0004] Therefore, there is an urgent need for a teaching demonstration model that can intuitively display the structure and vibration differences of a three-cylinder engine, and a teaching model that can be used to demonstrate the engine's operating principles and vibration characteristics. Summary of the Invention

[0005] The technical problem to be solved by the utility model is how to intuitively display the vibration characteristics of a three-cylinder engine.

[0006] In order to solve the above technical problems, the utility model provides a vibration detection device for an engine model, which includes: a main body, which is a supporting structure of the vibration detection device for the engine model, the main body having a first horizontal plane and having side walls extending upward and downward from the first horizontal plane at the same height, the lower side of the side wall being connected to the engine model to be detected for vibration, and the upper side of the side wall being connected to a second horizontal plane having a through hole; a vibration display device, the vibration display device having a bottom and side walls extending upward from the bottom, and an open top, wherein the outer periphery of the side walls of the vibration display device is smaller than the through hole on the second horizontal plane of the main body, the vibration display device is arranged in the through hole on the second horizontal plane of the main body and supported by the first horizontal plane, wherein when liquid or granular solid is placed in the vibration display device, the vibration amplitude of the liquid or granular solid in the vibration display device can intuitively feedback the vibration state of the engine model to be detected for vibration.

[0007] According to an embodiment of the present invention, the vibration display device may be a cup.

[0008] According to an embodiment of the present invention, the vibration display device may be made of a transparent material.

[0009] According to an embodiment of the present invention, the body can be made of acrylic material.

[0010] According to an embodiment of the present invention, the number of vibration display devices may be 1-5.

[0011] Furthermore, the number of vibration display devices is preferably three, but is not limited thereto and depends on user needs.

[0012] According to an embodiment of the present invention, the diameter and number of the through holes on the second horizontal plane of the body may correspond to the outer diameter and number of the vibration display device, respectively.

[0013] According to an embodiment of the present invention, the vibration display device may be cylindrical.

[0014] According to an embodiment of the present invention, the through hole on the second horizontal plane of the body may be circular.

[0015] According to an embodiment of the present invention, the liquid placed in the vibration display device may be water.

[0016] Compared with the prior art, the technical solution provided by the embodiments of the present invention can achieve at least the following beneficial effects:

[0017] The present invention provides a vibration detection device for an engine model. By intuitively reflecting the vibration characteristics of the engines, the device assists in teaching demonstrations, helping students more intuitively understand the working principles of the engine and the advantages of the improved engine. The device also facilitates comparison of the vibration amplitudes of a traditional and improved three-cylinder engine during operation. By comparing the vibration amplitudes of the two three-cylinder engines, the different engine vibration amplitudes caused by different structures are reflected, thereby allowing students to understand the principles of the three-cylinder engine and the advantages of the new three-cylinder engine. The teaching demonstration model mainly consists of two three-cylinder engine models with different structures. A drive motor drives three pistons to alternately move to simulate the operating state of the engine. By detecting and comparing the vibration frequency and amplitude, the device can intuitively demonstrate the vibration differences under different engine structures. The vibration detection device provided by the present invention is intuitive, low-cost, and easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present invention, rather than limiting the present invention.

[0019] Figure 1 1 is a schematic diagram showing a vibration detection device for an engine model according to an embodiment of the present utility model;

[0020] Figure 2 yes Figure 1 The main view;

[0021] Figure 3 yes Figure 2Side view of;

[0022] Figure 4 yes Figure 2 Top view of . DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described 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.

[0024] Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meanings understood by persons of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar expressions used in the specification and claims of this utility model patent application do not denote any order, quantity, or importance, but are merely used to distinguish different components. Similarly, terms such as "a" or "an" do not denote a limitation on quantity, but rather indicate the presence of at least one.

[0025] Figure 1 1 is a schematic diagram showing a vibration detection device for an engine model according to an embodiment of the present utility model; Figure 2 yes Figure 1 The main view; Figure 3 yes Figure 2 Side view of; Figure 4 yes Figure 2 Top view of .

[0026] like Figures 1 to 4 As shown, the vibration detection device for the engine model includes: a body 1 and a vibration display device 2.

[0027] The main body 1 is a supporting structure of a vibration detection device for an engine model. The main body 1 has a first horizontal surface 11 and side walls extending upward and downward at the same height from the first horizontal surface 11. The lower side of the side wall is connected to the engine model to be detected for vibration, and the upper side of the side wall is connected to a second horizontal surface 12 having a through hole 121.

[0028] The vibration display device 2 has a bottom and side walls extending upward from the bottom, and an opening at the top.

[0029] The outer periphery of the side wall of the vibration display device 2 is smaller than the through hole 121 on the second horizontal surface 12 of the body 1. The vibration display device 2 is disposed in the through hole 121 on the second horizontal surface 12 of the body 1 and supported by the first horizontal surface 11. When a liquid or granular solid is placed in the vibration display device 2, the vibration amplitude of the liquid or granular solid within the vibration display device 2 can provide intuitive feedback on the vibration state of the engine model to be detected.

[0030] The vibration detection device provided by the utility model has intuitive response, low cost and easy-to-implement structure.

[0031] According to one or some embodiments of the present invention, the vibration display device 2 is a cup.

[0032] According to one or some embodiments of the present invention, the vibration display device 2 is made of a transparent material.

[0033] According to one or some embodiments of the present invention, the body is made of acrylic material.

[0034] According to one or some embodiments of the present invention, the number of vibration display devices 2 is 1-5.

[0035] Furthermore, the number of vibration display devices 2 is preferably three, but is not limited thereto and depends on user needs.

[0036] According to one or some embodiments of the present invention, the diameter and number of the through holes 121 on the second horizontal surface 12 of the body 1 correspond to those of the vibration display device 2 .

[0037] According to one or some embodiments of the present invention, the vibration display device 2 is cylindrical.

[0038] According to one or some embodiments of the present invention, the through hole 121 on the second horizontal surface 12 of the body 1 is circular.

[0039] According to one or some embodiments of the present invention, the liquid placed in the vibration display device 2 is water.

[0040] The vibration detection device for the engine model provided by the utility model assists teaching demonstration by intuitively reflecting the vibration characteristics of the compared engines, helps students understand the working principle of the engine and the advantages of the improved engine more intuitively, and is easy to compare the vibration amplitudes of the traditional and improved three-cylinder engines during operation. The difference in engine vibration amplitude caused by different structures is reflected by comparing the vibration amplitudes of the two three-cylinder engines, so that students can understand the principle of the three-cylinder engine and the advantages of the new three-cylinder engine; the teaching demonstration model is mainly composed of two three-cylinder engine models with different structures, and the driving motor drives the three pistons to move alternately to simulate the operating state of the engine. By detecting and comparing the vibration frequency and amplitude through the utility model, the vibration difference under different engine structures can be intuitively displayed.

[0041] During use, two sets of vibration detection devices for engine models can be respectively set on two groups of engine models that need to be compared. The two groups of engines can be traditional and improved three-cylinder engines. The traditional engine can be a two-connecting rod engine, and the improved engine can be a three-connecting rod engine. The lower side of the wall of the vibration detection device is connected to the engine model to be detected for vibration or the base of the engine model. A cup is used as a vibration display device. Water is added to the cup and the engine is run. The vibration amplitude of the water in the cup can be intuitively observed, thereby intuitively displaying the difference in vibration amplitude between the two groups of engines.

[0042] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention. The scope of protection of the present invention is determined by the appended claims.

Claims

1. A vibration detection device for an engine model, characterized in that: include: The body is a supporting structure of the vibration detection device for the engine model, the body having a first horizontal surface and side walls extending upward and downward from the first horizontal surface at the same height, the lower side of the side wall being connected to the engine model to be detected for vibration, and the upper side of the side wall being connected to the second horizontal surface having a through hole; A vibration display device, the vibration display device having a bottom and side walls extending upward from the bottom, and an opening at the top, The outer periphery of the side wall of the vibration display device is smaller than the through hole on the second horizontal plane of the body, and the vibration display device is arranged in the through hole on the second horizontal plane of the body and supported by the first horizontal plane. When liquid or granular solid is placed in the vibration display device, the vibration amplitude of the liquid or granular solid in the vibration display device can provide intuitive feedback on the vibration state of the engine model to be detected.

2. The vibration detection device for an engine model according to claim 1, wherein: The vibration display device is a cup.

3. The vibration detection device for an engine model according to claim 1, wherein: The vibration display device is made of transparent material.

4. The vibration detection device for an engine model according to claim 1, wherein: The body is made of acrylic material.

5. The vibration detection device for an engine model according to claim 1, wherein: The number of the vibration display devices is 1-5.

6. The vibration detection device for an engine model according to claim 1, wherein: There are three vibration display devices.

7. The vibration detection device for an engine model according to claim 1, wherein: The diameter and number of the through holes on the second horizontal plane of the body correspond to those of the vibration display device.

8. The vibration detection device for an engine model according to claim 1, wherein: The vibration display device is cylindrical.

9. The vibration detection device for an engine model according to claim 1, wherein: The through hole on the second horizontal plane of the body is circular.

10. The vibration detection device for an engine model according to claim 1, wherein: The liquid placed in the vibration display device is water.

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