Interactive experience teaching aid simulating level gage for science popularization

Abstract

The utility model provides an interactive experience teaching aid simulating a level gage for science popularization. The interactive experience teaching aid comprises an experiment container and a U-shaped pipe communicated with the bottom of the experiment container. The immersion liquid sensor is arranged on the side of the U-shaped pipe, and a sensing head of the immersion liquid sensor can be inserted into the U-shaped pipe; the simulated radioactive source and the simulated detector are detachably connected with the container support frame of the experimental container; the experiment container is communicated with a U-shaped pipe, so that the experiment container is flush with the liquid level of an inner cavity of the U-shaped pipe, when the amount of the injected liquid material reaches a threshold value set for science popularization demonstration teaching, an induction head of the immersion inductor makes contact with the liquid material in the inner cavity of the U-shaped pipe, and then the immersion inductor sends a signal to the simulated detector electrically connected with the immersion inductor. The buzzer and the light of the simulated detector flicker to remind an operator that injection of liquid materials is stopped when the threshold value set by teaching is reached, and the simulated radioactive source is only the same as a real radioactive source in appearance and does not have radioactivity, so that radiation damage to the operator is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to interactive experience teaching aid technical field, concretely relates to a popular science uses the interactive experience teaching aid of imitative material level meter. BACKGROUND

[0002] With the continuous application of nuclear technology in life, material level meter has important significance in industrial production, it can not only realize high-precision, real-time monitoring of material level, but also optimize inventory management, ensure production continuity and stability. The research and development of the interactive experience device for nuclear popular science has important significance for enhancing the public's understanding of nuclear science, eliminating fear and misunderstanding, and stimulating interest and exploration spirit of science.

[0003] The material level meter includes a radioactive source and a detector, in use, the radioactive source and the detector are placed on the outside of the container, the radioactive source is used to emit gamma rays, and the detector is used to receive gamma rays; when the material is put into the container, as the height of the material continuously approaches the height of the radioactive source and the detector, the intensity of the gamma rays received by the detector also changes, thereby judging the material level of the material surface level without contacting the material, and controlling the delivery of the material;

[0004] The research and development of the imitative material level meter device is an exploration and innovation of the material level meter, which simulates the function of the real material level meter, provides an important practical basis for the development and research of the new generation of material level meter, and has lower cost in the research and development and experiment process compared with the real material level meter. It can be used as an auxiliary tool for teaching and scientific research to help researchers and students better understand the working principle and performance characteristics of the material level meter;

[0005] However, the radioactive source in the real material level meter has radiation, if the same radioactive source is used in the imitative material level meter, the risk of the experiment will be increased, and the operator will also be damaged by radiation. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model wants to solve the problem of providing an interactive experience teaching aid for the imitative material level meter for popular science.

[0007] To solve the above technical problems, the utility model adopts the technical scheme of:

[0008] An interactive experience teaching aid for the imitative material level meter for popular science, which comprises an experimental container and a U-shaped tube connected to the bottom of the experimental container; a liquid immersion sensor is constructed on the side of the U-shaped tube, and the sensing head thereof can be inserted into the U-shaped tube;

[0009] The imitative radioactive source and the imitative detector are detachably connected with the container support frame of the experimental container.

[0010] The vertical driving mechanism further comprises a C-shaped frame, a screw rod and a driver.

[0011] The vertical driving mechanism further comprises a C-shaped frame, a screw rod and a driver.

[0012] One end of the screw rod is connected with a bearing at the bottom of the C-shaped frame, and the other end penetrates through the C-shaped frame and is connected with an output end of the driver at the top of the C-shaped frame.

[0013] The U-shaped tube is further provided with guide rods on both sides, and the guide rods are connected with the moving table.

[0014] The simulated radioactive source and the simulated detector are magnetically connected with the container support frame.

[0015] The utility model has the advantages and positive effects that:

[0016] (1) The experimental container is communicated with the U-shaped tube, so that the liquid level height of the experimental container and the inner cavity of the U-shaped tube is flush, when the amount of injected liquid material reaches the threshold value set in the teaching, the sensing head of the immersion liquid sensor contacts the liquid material in the inner cavity of the U-shaped tube, and then the immersion liquid sensor sends a signal to the simulated detector electrically connected thereto, the buzzer and the light of the simulated detector flicker, prompting the operator that the threshold value set in the popular science demonstration teaching has been reached, and the injection of the liquid material needs to be stopped, and the simulated radioactive source is the same as the real radioactive source in appearance, and does not have radioactivity, and thus will not cause radiation damage to the operator.

[0017] (2) The simulated radioactive source and the simulated detector do not contact the liquid material in the experimental container, but are installed on the two sides outside the experimental container like the real radioactive source and the detector, the operator sees the buzzer and light flicker when the liquid material is injected to the threshold value, and then the installation position design of the real radioactive source and the detector and the detection effect experience brought by the installation position design are imitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0019] Figure 1 It is an internal structure diagram of the interactive experience teaching aid of the popular science simulated material level meter in the first visual angle.

[0020] Figure 2 It is Figure 1 It is an enlarged view at A.

[0021] Figure 3It is the internal structure diagram of the interactive experience teaching aid of the material level meter simulation for popular science under the second visual angle;

[0022] Figure 4 It is the whole structure diagram of the interactive experience teaching aid of the material level meter simulation for popular science;

[0023] In the figure: experimental container 1, container support frame 11, U-shaped tube 2, U-shaped tube support frame 21, immersion liquid inductor 3, inductive head 31, simulated radioactive source 4, simulated detector 5, vertical driving mechanism 6, moving table 61, C-shaped frame 62, lead screw 63, lead screw nut seat 64, driver 65, guide rod 7, outer cover 8. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be intervening components. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component or there can be intervening components. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for purposes of illustration only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "therefore" and "because" are merely used to introduce an explanation of associated elements. The term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] As Figures 1 to 3As shown, the utility model provides a kind of interactive experience teaching aid of material imitating level meter for popular science, including experimental container 1 and the U-shaped tube 2 being communicated with the bottom of experimental container 1, experimental container 1 and U-shaped tube 2 are respectively installed on container support frame 11 and U-shaped tube support frame 21, and further provide installation space for the connection of U-shaped tube 2 and experimental container 1, and container support frame 11 of experimental container 1 is detachably connected with imitation radioactive source 4 and imitation detector 5, imitation radioactive source 4 is only the same as real radioactive source in appearance, it does not have radioactivity, and further will not cause radiation damage to operator, and imitation detector 5 is electrically connected with immersion liquid sensor 3;

[0028] Immersion liquid sensor 3 is constructed at the side of U-shaped tube 2, and the sensing head 31 thereof can be inserted into U-shaped tube 2 to detect the liquid level in U-shaped tube 2, since the inner cavity of experimental container 1 is communicated with U-shaped tube 2, so the liquid level in the inner cavity of experimental container 1 is flush with the liquid level height of U-shaped tube 2, when the amount of injected liquid material reaches the threshold value set in teaching, the sensing head 31 of immersion liquid sensor 3 is in contact with the liquid material, and then immersion liquid sensor 3 sends a signal to the imitation detector 5 electrically connected thereto, the buzzer and light of imitation detector 5 flicker, prompting the operator that the threshold value set in teaching has been reached, and the injection of liquid material needs to be stopped immediately.

[0029] Since imitation radioactive source 4 and imitation detector 5 are not in contact with the liquid material in experimental container 1, but are installed on the two sides outside experimental container 1 like real radioactive source and detector, the operator sees the buzzer and light flicker prompt when the liquid material is injected to the threshold amount, and then imitates the installation position design of real radioactive source and detector and the detection effect experience brought by it.

[0030] As shown in Figure 4 Further, in order to make the simulation more realistic, U-shaped tube 2 can also be covered and shielded by an outer cover 8, and the outer cover 8 is also provided with a PLC controller electrically connected with immersion liquid sensor 3, imitation detector 5 and driver 65.

[0031] As shown in Figures 1 to 3 Further, considering the requirement of different teaching or experimental conditions, the height threshold value of liquid level needs to be changed and adjusted, so a vertical driving mechanism 6 for driving immersion liquid sensor 3 to reciprocate along the height direction of U-shaped tube 2 is designed in the present application, and then the height position of sensing head 31 of immersion liquid sensor 3 in U-shaped tube 2 is adjusted.

[0032] Specifically, the vertical driving mechanism 6 includes a moving table 61, a C-shaped frame 62, a lead screw 63 and a driver 65.

[0033] The liquid immersion sensor 3 is installed on the moving table 61 of the vertical driving mechanism 6, one end of the lead screw 63 is connected with the bearing on the inner bottom of the C-shaped frame 62, the other end penetrates through the C-shaped frame 62 and is connected with the output end of the driver 65 located on the top of the C-shaped frame 62, the moving table 61 is connected with the lead screw nut seat 64 of the lead screw 63, the lead screw 63 is driven to rotate by the driver 65, so that the lead screw nut seat 64 and the moving table 61 reciprocate in the vertical direction, the height position adjustment of the liquid immersion sensor 3 is realized, and then the height position of the sensing head 31 of the liquid immersion sensor 3 in the U-shaped tube 2 is adjusted, so as to meet the requirements of different teaching or experimental conditions.

[0034] Specifically, the U-shaped tube 2 is also provided with guide rods 7 on both sides, the guide rods 7 are connected with the moving table 61, and then the moving table 61 is guided and limited by the guide rods 7 during vertical reciprocating movement.

[0035] Specifically, the imitation radioactive source 4 and the imitation detector 5 are magnetically connected with the container support frame 11, the container support frame 11 is made of metal, the bases of the imitation radioactive source 4 and the imitation detector 5 are bonded with magnetic stickers, different liquid level threshold requirements are simulated by adjusting the positions of the imitation radioactive source 4 and the imitation detector 5, and the actual measurement height position of the liquid immersion sensor 3 is adjusted by the vertical height change of the liquid immersion sensor 3.

[0036] The working principle and working process of the utility model are as follows:

[0037] According to the liquid level threshold of the teaching or experimental condition requirement, the imitation radioactive source 4 and the imitation detector 5 are first adjusted to the corresponding positions on the container support frame 11;

[0038] Then the driver 65 is started, the driver 65 drives the lead screw 63 to rotate, so that the lead screw nut seat 64 and the moving table 61 reciprocate in the vertical direction, the height position adjustment of the liquid immersion sensor 3 is realized, and then the height position of the sensing head 31 of the liquid immersion sensor 3 in the U-shaped tube 2 is adjusted, so that the height position of the sensing head 31 is in the liquid level threshold required this time;

[0039] Then the liquid material is continuously poured into the experimental container 1, since the inner cavity of the experimental container 1 is communicated with the U-shaped tube 2, the liquid level in the inner cavity of the experimental container 1 is always flush with the liquid level height in the U-shaped tube 2, when the liquid level in the experimental container 1 reaches the height threshold, the liquid level height in the U-shaped tube 2 also soaks the sensing head 31, then the liquid immersion sensor 3 sends a signal to the imitation detector 5 electrically connected therewith, the buzzer and the light of the imitation detector 5 flash, prompting the operator that the threshold set by the teaching has been reached, and the injection of the liquid material needs to be stopped immediately, so as to achieve the purpose of teaching or experimental operation.

[0040] The embodiments of the present application are described in detail above, but the content is only the preferred embodiments of the present application, and cannot be considered to limit the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the scope of the present patent.

Claims

1. A science popularization interactive teaching aid of a material-imitating level meter, characterized in that, The experimental container (1) and the U-shaped tube (2) connected with the bottom of the experimental container (1); the immersion liquid sensor (3) is constructed beside the U-shaped tube (2), and the sensing head (31) of the immersion liquid sensor (3) can be inserted into the U-shaped tube (2); The imitation radioactive source (4) and the imitation detector (5) are detachably connected with the container support frame (11) of the experimental container (1).

2. The interactive teaching aid of claim 1, wherein, Further comprising a vertical driving mechanism (6) for driving the immersion liquid sensor (3) to reciprocate along the height direction of the U-shaped tube (2), and the immersion liquid sensor (3) is installed on the moving table (61) of the vertical driving mechanism (6).

3. The interactive teaching aid of claim 1, wherein, The vertical driving mechanism (6) further comprises a C-shaped frame (62), a lead screw (63) and a driver (65); One end of the lead screw (63) is connected with the bearing at the inner bottom of the C-shaped frame (62), the other end penetrates through the C-shaped frame (62) and is connected with the output end of the driver (65) located at the top of the C-shaped frame (62), and the moving table (61) is connected with the lead screw nut seat (64) of the lead screw (63).

4. The interactive teaching aid of claim 1, wherein, The U-shaped tube (2) is further provided with a guide rod (7) on both sides, and the guide rod (7) is connected with the moving table (61) through sleeve connection.

5. The interactive teaching aid of claim 1, wherein, The imitation radioactive source (4) and the imitation detector (5) are magnetically connected with the container support frame (11).

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