CN-224232269-U - Combined teaching demonstration device

Abstract

The utility model discloses a combined teaching demonstration device which comprises an annular chassis, a functional module and a buckle plate. The functional module comprises a plurality of functional elements, wherein each functional element is formed by arc-shaped magnetic attraction pieces, the magnetic polarities of the permanent magnetic pole arrays are different from the magnetic polarities of the arc-shaped magnetic attraction pieces, the buckle plate is a transparent elastic piece with an opening at one side, and the shape and the size of the buckle plate are configured to be clamped on the annular chassis and can move along the annular chassis. The utility model can dynamically demonstrate the modular combination process of the carrier elements and help students understand the spatial arrangement logic of the elements. The information redundancy is less, and the identification degree of key functional elements such as promoters, multiple cloning sites and the like is high. The utility model can also meet the requirement of students on manual operation in class, help understand the core principle of carrier design and promote teaching effect.

Inventors

• ZHONG SHAN
• SUN YIXIAN

Assignees

• 钟山

Dates

Publication Date

20260512

Application Date

20250331

Claims (6)

1. 1. A modular teaching presentation device, comprising: the annular chassis is internally provided with a permanent magnet pole array in an embedded manner; The functional module comprises a plurality of functional elements, wherein each functional element is formed by arc-shaped magnetic attraction pieces, and the magnetic polarities of the permanent magnetic pole arrays are different from the magnetic polarities of the arc-shaped magnetic attraction pieces respectively; The buckle plate is a transparent elastic piece with one side open, and the buckle plate is shaped and sized to be clamped on the annular chassis and can move along the annular chassis; Simulating the genetic element in engineering vector construction by using the functional element; simulating DNA forming an annular shape through the magnetic attraction relation between the annular chassis and the functional element; The proteins used to lock the carrier element were simulated by a pinch plate.
2. 2. The combination instruction presentation device of claim 1, wherein, The permanent magnetic pole array is configured into an annular electrode array which is formed by a plurality of permanent magnetic pole pieces which are sequentially and equidistantly arranged in the annular chassis, and the magnetic polarities of the permanent magnetic pole pieces and the magnetic polarities of the arc-shaped magnetic attraction pieces are mutually different.
3. 3. The combination instruction presentation device of claim 2, wherein, The annular chassis is formed by adopting a light polypropylene annular ring.
4. 4. The combined teaching demonstration device according to claim 3, wherein, The arc length of the arc-shaped magnetic attraction piece is 15-120 degrees; the surface of the arc-shaped magnetic attraction piece is silk-screened with standard gene element characters.
5. 5. The combination instruction presentation device of claim 4, wherein, Fluorescent color sheets are embedded in the pinch plates.
6. 6. The combination instruction presentation device of claim 5, wherein, The buckle plate is made of soft silica gel blocks.

Description

Combined teaching demonstration device Technical Field The utility model relates to the technical field of teaching equipment, in particular to a combined teaching demonstration device. Background In the current medical college molecular biology teaching, the teaching of genetic engineering vector construction is mainly carried out by two-dimensional plane diagrams such as PPT, teaching material illustration and the like. The prior art has the following defects that the modularized combination process of carrier elements cannot be dynamically demonstrated, students cannot understand the space arrangement logic of the elements, business carrier map information is redundant, the identification degree of key functional elements such as promoters, multiple cloning sites and the like is low, the interactivity is poor, students cannot understand the core principle of carrier design through manual operation, and the teaching effect is limited. Therefore, how to develop a new teaching demonstration device to overcome the above problems in the prior art is a direction that those skilled in the art need further study. Disclosure of utility model The utility model aims to provide a combined teaching demonstration device which can realize dynamic demonstration of a modularized combination process of carrier elements, improve the identification degree of key functional elements such as promoters and the like, and meet the requirement of students on manual operation, thereby ensuring the teaching quality of the students. The utility model discloses a combined teaching demonstration device, which is characterized by comprising: the annular chassis is internally provided with a permanent magnet pole array in an embedded manner; The functional module comprises a plurality of functional elements, wherein each functional element is formed by arc-shaped magnetic attraction pieces, and the magnetic polarities of the permanent magnetic pole arrays are different from the magnetic polarities of the arc-shaped magnetic attraction pieces respectively; The buckle plate is a transparent elastic piece with one side being opened, and the buckle plate is shaped and sized to be clamped on the annular chassis and can move along the annular chassis. By adopting the technical scheme, the functional elements are used for simulating the genetic elements in the construction of the engineering vector. The annular DNA is simulated by the magnetic attraction relation between the annular chassis and the functional element. The proteins used to lock the carrier element were simulated by a pinch plate. In the process, the number, the positions and the types of the functional elements magnetically attracted on the surface of the annular chassis can be freely adjusted according to teaching requirements, so that the carrier structure (such as plasmids and virus carriers) is demonstrated by combining different functional elements, meanwhile, the influence of the insertion direction of the elements on the functions is intuitively demonstrated by adjusting the forward/reverse attraction of the magnetic attraction sheets, and the functions are demonstrated by combining the different functional elements And (3) fast switching, namely supporting the configuration conversion of linear/annular vectors and covering various genetic engineering vector types. Thus, a dynamic demonstration of the modular combination of carrier elements is achieved. Preferably, the permanent magnetic pole array is configured as an annular electrode array formed by a plurality of permanent magnetic pole pieces which are sequentially and equidistantly arranged in the annular chassis, and the magnetic polarities of the permanent magnetic pole pieces and the magnetic polarities of the arc-shaped magnetic attraction pieces are mutually different. Preferably, the annular chassis is formed by a lightweight polypropylene annular ring. Preferably, the arc length of the arc-shaped magnetic attraction piece is 15-120 degrees; the surface of the arc-shaped magnetic attraction piece is silk-screened with standard gene element characters. Preferably, fluorescent color sheets are embedded in the buckle plate. Preferably, the buckle plate is made of soft silica gel blocks. Compared with the prior art, the utility model has the following advantages: Firstly, the utility model can dynamically demonstrate the modular combination process of the carrier elements and help students understand the spatial arrangement logic of the elements. Secondly, the utility model has less information redundancy, and the identification degree of key functional elements such as promoters, multiple cloning sites and the like is high. Thirdly, the utility model can meet the demands of students on manual operation in a classroom, helps understand the core principle of carrier design and improves teaching effect. Finally, the utility model has simple structure, convenient operation process and easy preparation and use. Drawin