CN216979966U - Lamp area formula normal distribution model - Google Patents

Abstract

The utility model relates to the technical field of teaching models and discloses a lamp strip type normal distribution model which comprises a display board, an X-axis board, a Y-axis board, a plurality of lamp beads and a plurality of installation blocks, wherein two grooves which are arranged in a staggered mode are formed in the front side of the display board, clamping grooves are formed in the surfaces of the X-axis board and the Y-axis board respectively, the X-axis board and the Y-axis board are arranged in a clamping mode through the two clamping grooves, the X-axis board and the Y-axis board are fixedly arranged in the corresponding grooves respectively, each lamp bead is fixedly connected with the corresponding installation block respectively, each installation block is arranged on the surface of the display board, two adjacent lamp beads are electrically connected through first leads respectively, a power supply mechanism is fixedly arranged on the front side of the display board, and a supporting mechanism is fixedly arranged on the rear side of the display board. The method can effectively help students understand the normal distribution function through model demonstration.

Description

Lamp area formula normal distribution model

Technical Field

The utility model relates to the technical field of teaching models, in particular to a lamp belt type normal distribution model.

Background

Normal distribution, also called "normal distribution", also known as gaussian distribution, was obtained by the junior in an asymptotic formula for solving the binomial distribution at the earliest, c.f. gaussian derived it from another angle when studying measurement errors, p.s. laplacian and gaussian studied its properties, is a very important probability distribution in the fields of mathematics, physics and engineering, etc., and has a significant influence on many aspects of statistics.

In the practical process of probability theory and mathematical statistics teaching, when a teacher teaches students the chapter of continuous random variable distribution, normal distribution is undoubtedly the most important distribution of three distributions and is also the most common distribution in daily life, but as the distribution function and the probability density function of normal distribution are complex, in order to strengthen understanding of the probability density function, a luminous magnetic normal distribution lamp belt is manufactured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that students are relatively ineffective in understanding normal distribution functions and probability density functions in the prior art, and provides a lamp belt type normal distribution model.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a lamp area formula normal distribution model, includes show board, X axostylus axostyle, Y axostylus axostyle, a plurality of lamp pearl and a plurality of installation piece, the recess that is equipped with two crisscross settings is opened to the front side of show board, the draw-in groove has been seted up respectively on the surface of X axostylus axostyle and Y axostylus axostyle, set up through two draw-in groove joints between X axostylus axostyle and the Y axostylus axostyle, X axostylus axostyle and Y axostylus axostyle are fixed respectively and set up in the inside of the recess that corresponds, every the lamp pearl respectively with the installation piece fixed connection that corresponds, every the installation piece is all placed in the surface of show board, respectively through first wire electric connection between two adjacent lamp pearls, the fixed power supply mechanism that is provided with in front side of show board, the fixed supporting mechanism that is provided with in rear side of show board.

Preferably, the power supply mechanism includes rectangle frame and rechargeable battery, the rectangle frame is fixed to be set up in the front side corner of show board, rechargeable battery is fixed to be set up in the inside of rectangle frame, rechargeable battery passes through the second wire and one of them lamp pearl electric connection.

Preferably, the supporting mechanism includes bull stick and two mounting panels, two the mounting panel symmetry is fixed to be set up in the rear side of show board, the bull stick sets up between two mounting panels and both ends pole wall rotates with the mounting panel that corresponds through the damping cover respectively to be connected, the pole wall of bull stick is through two connecting rod fixedly connected with bracing pieces.

Preferably, the show board adopts magnetic material to make, every the installation piece all adopts magnet, every the installation piece all adsorbs with the show board and is connected.

Preferably, two anti-skidding sleeves are symmetrically fixedly sleeved on the rod wall of the supporting rod.

Preferably, each of the first conductive lines and the second conductive lines has a different color.

Compared with the prior art, the utility model provides a lamp strip type normal distribution model, which has the following beneficial effects:

1. this lamp area formula normal distribution model is connected through the absorption between the installation piece that sets up and the show board, can realize the rigidity to every installation piece, and is fixed to the rigidity of every lamp pearl promptly to the position of lamp pearl when avoiding as far as possible to explain normal distribution function through the model takes place to remove.

2. This lamp area formula normal distribution model through the supporting mechanism who sets up, can support the show board through supporting mechanism in class to the student that can be convenient for different positions watches.

3. This lamp area formula normal distribution model through a plurality of installation pieces and a plurality of first wire that set up, can utilize the function curve reflection skewness that every first wire formed.

The parts which are not involved in the device are the same as those in the prior art or can be realized by adopting the prior art, and the device can effectively help students to understand the normal distribution function through model demonstration.

Drawings

Fig. 1 is a schematic structural diagram of a lamp strip type normal distribution model according to the present invention;

FIG. 2 is a rear view of the display board of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: 1 show board, 2X axle board, 3Y axle board, 4 a plurality of lamp pearls, 5 installation pieces, 6 first wires, 7 rectangle frames, 8 rechargeable battery, 9 second wires, 10 bull sticks, 11 mounting panels, 12 damping cover, 13 connecting rods, 14 bracing pieces, 15 antiskid cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a lamp area formula normal distribution model, including show board 1, X axial plate 2, Y axial plate 3, a plurality of lamp pearl 4 and a plurality of installation piece 5, the front side of show board 1 is opened and is equipped with the recess of two crisscross settings, the draw-in groove has been seted up respectively on the surface of X axial plate 2 and Y axial plate 3, set up through two draw-in groove joints between X axial plate 2 and the Y axial plate 3, X axial plate 2 and Y axial plate 3 are fixed respectively in the inside of the recess that corresponds, every lamp pearl 4 respectively with the installation piece 5 fixed connection that corresponds, every installation piece 5 is all placed in the surface of show board 1, respectively through 6 electric connection of first wire between two adjacent lamp pearls 4, the fixed power supply mechanism that is provided with in front side of show board 1, the fixed supporting mechanism that is provided with in rear side of show board 1.

Power supply mechanism includes rectangle frame 7 and rechargeable battery 8, and rectangle frame 7 is fixed to be set up in the front side corner of show board 1, and rechargeable battery 8 is fixed to be set up in the inside of rectangle frame 7, and rechargeable battery 8 supplies power to lamp pearl 4 through rechargeable battery 8 through second wire 9 and one of them lamp pearl 4 electric connection to can make whole model use at any moment, look for the power when need not to use.

The supporting mechanism includes bull stick 10 and two mounting panels 11, two mounting panels 11 symmetry are fixed to be set up in the rear side of show board 1, bull stick 10 sets up between two mounting panels 11 and both ends pole wall rotates through damping cover 12 and the mounting panel 11 that corresponds respectively to be connected, the pole wall of bull stick 10 is through two connecting rods 13 fixedly connected with bracing pieces 14, be convenient for support show board 1 through bracing piece 14, thereby can make show board 1 demonstrate from a plurality of angles.

Show board 1 adopts magnetic material to make and forms, and every installation piece 5 all adopts magnet, and every installation piece 5 all adsorbs with show board 1 to be connected, is convenient for can normally demonstrate when placing show board 1 perpendicularly.

The fixed cover of pole wall symmetry of bracing piece 14 has been connect two antiskid cover 15, and the frictional force on the surface of bracing piece 14 can effectively be increased through two antiskid cover 15 that set up to keep stable when making show board 1 place.

The color of each first wire 6 is different from that of the second wire 9, so as to avoid the student from mixing up the function curves formed by the second wire 9 and the plurality of first wires 6.

According to the utility model, through the adsorption connection between the installation blocks 5 and the display board 1, the position fixation of each installation block 5 can be realized, namely the position fixation of each lamp bead 4 is realized, so that the position movement of the lamp beads 4 when a normal distribution function is explained through a model is avoided as much as possible, through the arrangement of the installation blocks 5 and the first leads 6, the skewness can be reflected by a function curve formed by each first lead 6, through the arrangement of the supporting mechanism, the display board 1 can be supported through the supporting mechanism during class, so that students in different positions can conveniently watch the display board, when the display board is not used, the supporting rod 14 is rotated, the supporting rod 14 drives the rotating rod 10 to rotate through the two connecting rods 13, so that the supporting rod 14 is attached to the rear side wall of the display board 1, and the whole model can be conveniently stored.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A lamp belt type normal distribution model comprises a display board (1), an X-axis board (2), a Y-axis board (3), a plurality of lamp beads (4) and a plurality of mounting blocks (5), and is characterized in that two grooves which are arranged in a staggered mode are formed in the front side of the display board (1), clamping grooves are formed in the surfaces of the X-axis board (2) and the Y-axis board (3) respectively, the X-axis board (2) and the Y-axis board (3) are arranged in a clamping mode through the two clamping grooves, the X-axis board (2) and the Y-axis board (3) are fixedly arranged in the corresponding grooves respectively, each lamp bead (4) is fixedly connected with the corresponding mounting block (5) respectively, each mounting block (5) is arranged on the surface of the display board (1), two adjacent lamp beads (4) are electrically connected through a first lead (6) respectively, and a power supply mechanism is fixedly arranged on the front side of the display board (1), the rear side of the display board (1) is fixedly provided with a supporting mechanism.

2. A light strip normal distribution model according to claim 1, wherein the power supply mechanism comprises a rectangular frame (7) and a rechargeable battery (8), the rectangular frame (7) is fixedly disposed at the front corner of the display board (1), the rechargeable battery (8) is fixedly disposed inside the rectangular frame (7), and the rechargeable battery (8) is electrically connected to one of the light beads (4) through a second wire (9).

3. A lamp strip type normal distribution model according to claim 1, wherein the supporting mechanism comprises a rotating rod (10) and two mounting plates (11), two of the mounting plates (11) are symmetrically and fixedly arranged at the rear side of the display plate (1), the rotating rod (10) is arranged between the two mounting plates (11) and two rod walls at two ends are respectively rotatably connected with the corresponding mounting plates (11) through damping sleeves (12), and the rod wall of the rotating rod (10) is fixedly connected with a supporting rod (14) through two connecting rods (13).

4. A lamp strip type normal distribution model according to claim 1, wherein the display board (1) is made of magnetic material, each of the mounting blocks (5) is made of magnet, and each of the mounting blocks (5) is connected with the display board (1) in an adsorption manner.

5. A lamp strip type normal distribution model according to claim 3, wherein two anti-slip sleeves (15) are symmetrically and fixedly sleeved on the wall of the support rod (14).

6. A light strip normal distribution model according to claim 2, wherein each of the first wires (6) and the second wires (9) has a different color.

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