Mathematics teaching aid convenient to carry

Abstract

The utility model belongs to the technical field of teaching aids, and discloses a math teaching aid convenient to carry, which comprises a box body, the interior of the box body is of a hollow structure, a substrate is fixedly arranged in the box body, and a plurality of spotlights are fixedly arranged on the upper surface of the substrate; the bearing plate is fixedly installed in the middle of the upper surface of the box body, and the bearing plate is located over the spotlight; according to the mathematics teaching aid convenient to carry, when calculus teaching is carried out, two transparent soft cushions with the same size are taken out firstly, one transparent soft cushion is placed at the upper end of the electronic scale, the weight of the transparent soft cushion is weighed through the electronic scale, and the electronic scale is used for weighing the weight of the transparent soft cushion; an area enclosed by a parabola needing calculus calculation and a straight line is drawn on the paper sheet, and the proportion of the areas is the same as the weight proportion, so that the area can be quickly calculated and used for quickly verifying a calculus formula, and meanwhile, the teaching aid is simple in structure and convenient to carry and use.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching aids, in particular to a mathematics teaching aid which is convenient to carry. Background Art

[0002] Mathematics is a universal means for humans to strictly describe and deduce the abstract structure and pattern of things. It can be applied to any problem in the real world. All mathematical objects are essentially defined by humans. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophers have a series of views on the exact scope and definition of mathematics. University mathematics (including advanced mathematics, linear algebra, probability theory and mathematical statistics, etc.) is a basic course for science and engineering, economics and management majors, and is also a required subject for applying for master's degree in engineering, management and economics. Calculus is a mathematical concept. It is a branch of mathematics in advanced mathematics that studies the differentiation (Differentiation), integration (Integration) of functions and related concepts and applications. It is a basic subject in mathematics, and its content mainly includes limits, differential calculus, integral calculus and its applications.

[0003] For example, a foldable university mathematics teaching aid with announcement number CN213751511U can only store simple teaching aids such as compasses and triangles. This teaching aid cannot provide good auxiliary functions for advanced mathematics such as calculus. In order to solve the above problem, a mathematics teaching aid that is easy to carry is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems.

[0005] The technical solution adopted by the utility model is as follows: a convenient and portable mathematics teaching aid, comprising:

[0006] A box body, the interior of which is a hollow structure, a base plate is fixedly installed inside the box body, and a plurality of spotlights are fixedly installed on the upper surface of the base plate;

[0007] A supporting plate, which is fixedly mounted on the middle of the upper surface of the box, and the supporting plate is located directly above the spotlight;

[0008] A connecting plate is fixedly mounted on one side of the lower end of the box body, and an electronic scale is fixedly mounted on the upper surface of the connecting plate.

[0009] Through the above technical scheme, when teaching calculus, first take out two transparent soft pads of the same volume, put one transparent soft pad into the upper end of the electronic scale, weigh it with the electronic scale, take a piece of paper of the same size as the transparent soft pad and put it on the upper surface of the support plate, draw the area enclosed by the parabola and a straight line required for calculus calculation on the paper, put another transparent soft pad into the upper end of the drawn paper, illuminate the paper with a spotlight, and the calculated area on the paper is clearly projected on the soft pad. Cut out the area on the soft pad with a cutter, and then put the cut part on the electronic scale for calculation. At this time, the weight ratio between the two soft pads can be easily calculated, and the ratio between the areas is the same as the weight ratio, so that the area can be quickly calculated for quickly verifying the calculus formula. At the same time, this teaching aid has a simple structure and is easy to carry and use.

[0010] In a preferred embodiment, fixing columns are fixedly installed at four corners of the upper surface of the support plate, and the outer wall of the fixing column is rotatably connected to a rotating pressure plate.

[0011] Through the above technical solution, after the soft cushion is placed on the upper surface of the support plate, the rotating pressure plate is used to fix the soft cushion on the support plate to prevent the soft cushion from moving during cutting.

[0012] In a preferred embodiment, a storage door is hinged on one side of the box.

[0013] Through the above technical solution, the interior of the box is used to place the transparent soft pad, and the transparent soft pad is stored and retrieved by opening the storage compartment door.

[0014] In a preferred embodiment, a non-slip pad is provided at the bottom of the box.

[0015] In a preferred embodiment, the supporting plate is a transparent acrylic plate.

[0016] In a preferred embodiment, a display screen is provided on one side of the box, and the display screen is electrically connected to the electronic scale.

[0017] Through the above technical solution, the weight detected by the electronic scale is displayed on the display screen.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are: the utility model provides a mathematics teaching aid that is convenient to carry.

[0019] When teaching calculus, first take out two transparent soft pads of the same volume, put one transparent soft pad on the top of the electronic scale, weigh it with the electronic scale, take a piece of paper of the same size as the transparent soft pad and put it on the upper surface of the support plate, draw the area enclosed by the parabola and a straight line required for calculus calculation on the paper, put another transparent soft pad on the top of the drawn paper, illuminate the paper with a spotlight, and project the calculated area on the paper clearly on the soft pad. Cut out the area on the soft pad with a cutter, and then put the cut part on the electronic scale for calculation. At this time, the weight ratio between the two soft pads can be easily calculated, and the ratio between the areas is the same as the weight ratio, so that the area can be quickly calculated for quickly verifying the calculus formula. At the same time, this teaching aid has a simple structure and is easy to carry and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the box in the utility model.

[0022] Markings in the figure: 1-box; 2-support plate; 3-base plate; 4-spotlight; 5-connecting plate; 6-electronic scale; 7-fixing column; 8-rotating pressure plate; 9-storage compartment door. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The following will be combined Figure 1-2 A convenient and portable mathematics teaching aid according to an embodiment of the utility model is described in detail.

[0025] Example:

[0026] A convenient and portable mathematics teaching aid, comprising:

[0027] The box body 1 has a hollow structure inside, a base plate 3 is fixedly installed inside the box body 1, and a plurality of spotlights 4 are fixedly installed on the upper surface of the base plate 3. A storage door 9 is hinged on one side of the box body 1. The inside of the box body 1 is used to place a transparent soft cushion. The transparent soft cushion is stored and taken out by opening the storage door 9. An anti-slip pad is arranged at the bottom of the box body 1;

[0028] The supporting plate 2 is fixedly installed in the middle of the upper surface of the box body 1. The supporting plate 2 is a transparent acrylic plate. The supporting plate 2 is located directly above the spotlight 4. The four corners of the upper surface of the supporting plate 2 are fixedly installed with fixing columns 7. The outer wall of the fixing column 7 is rotatably connected with a rotating pressing plate 8. When the soft cushion is placed on the upper surface of the supporting plate 2, the rotating pressing plate 8 is used to fix the soft cushion on the supporting plate 2 to prevent the soft cushion from moving during cutting;

[0029] A connecting plate 5 is fixedly mounted on one side of the lower end of the box body 1, and an electronic scale 6 is fixedly mounted on the upper surface of the connecting plate 5. A display screen is provided on one side of the box body 1, and the display screen is electrically connected to the electronic scale 6. The weight detected by the electronic scale 6 is displayed on the display screen. When teaching calculus, first take out two transparent cushions of the same volume, put one transparent cushion into the upper end of the electronic scale 6, and weigh its weight through the electronic scale 6. Take a piece of paper of the same size as the transparent cushion and put it into the upper surface of the supporting plate 2, draw the area surrounded by a parabola and a straight line required for calculus calculation on the paper, put another transparent cushion into the upper end of the drawn paper, illuminate the paper with a spotlight 4, and the calculated area on the paper is clearly projected on the cushion. The area is cut out on the cushion by a cutter, and the cut part is put into the electronic scale 6 for calculation. At this time, the weight ratio between the two cushions can be easily calculated, and the ratio between the areas is the same as the weight ratio, so that the area can be quickly calculated for quickly verifying the calculus formula.

[0030] Working principle:

[0031] When teaching calculus, first take out two transparent soft pads of the same volume, put one transparent soft pad into the upper end of the electronic scale 6, weigh it with the electronic scale 6, take a piece of paper of the same size as the transparent soft pad and put it on the upper surface of the support plate 2, draw the area enclosed by the parabola and a straight line required for calculus calculation on the paper, put another transparent soft pad into the upper end of the drawn paper, illuminate the paper with the spotlight 4, the calculated area on the paper is clearly projected on the pad, cut out the area on the pad with a tool, and then put the cut part into the electronic scale 6 for calculation. At this time, the weight ratio between the two soft pads can be easily calculated, and the ratio between the areas is the same as the weight ratio, so that the area can be quickly calculated for quickly verifying the calculus formula.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A portable mathematics teaching aid, characterized in that: include: A box (1) having a hollow structure inside, a base plate (3) being fixedly mounted inside the box (1), and a plurality of spotlights (4) being fixedly mounted on the upper surface of the base plate (3); A supporting plate (2) is fixedly mounted on the middle portion of the upper surface of the box body (1), and the supporting plate (2) is located directly above the spotlight (4); A connecting plate (5) is fixedly mounted on one side of the lower end of the box body (1), and an electronic scale (6) is fixedly mounted on the upper surface of the connecting plate (5).

2. A portable mathematics teaching aid as claimed in claim 1, characterized in that: Fixed columns (7) are fixedly installed at the four corners of the upper surface of the support plate (2), and the outer wall of the fixed column (7) is rotatably connected to a rotating pressure plate (8).

3. A portable mathematics teaching aid as claimed in claim 1, characterized in that: A storage compartment door (9) is hingedly connected to one side of the box body (1).

4. A portable mathematics teaching aid as claimed in claim 1, characterized in that: The bottom of the box body (1) is provided with an anti-slip pad.

5. A portable mathematics teaching aid as claimed in claim 1, characterized in that: The supporting plate (2) is a transparent acrylic plate.

6. A portable mathematics teaching aid as claimed in claim 1, characterized in that: A display screen is provided on one side of the box (1), and the display screen is electrically connected to the electronic scale (6).

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