Internal structure principle display device for optical gas detector
By designing a device to demonstrate the internal structure and principles of an optical gas detector, and using the outer casing and chart board to display the disassembled components and connections of the optical path, gas path, and electrical system, the problem of the inconvenience of disassembling the optical gas detector is solved, and a more efficient teaching effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAANXI COAL IND GRP SHENNAN IND DEV CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
Optical gas detectors are inconvenient to disassemble, and existing training methods cannot clearly and intuitively demonstrate their internal structure and principles, thus affecting the teaching effect.
An internal structure and working principle demonstration device for an optical gas detector was designed, including an outer casing, a chart board, and a support assembly. It displays the disassembled components of the optical path, gas path, and electrical system and their connection relationships. Through the combination of physical components and system diagrams, the internal structure and working principle of the instrument are clearly demonstrated.
This improved trainees' understanding of the internal structure and working principle of optical gas detectors, enhanced their learning enthusiasm and classroom participation, and improved teaching quality and learning efficiency.
Smart Images
Figure CN224109929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to teaching display equipment field especially relates to optical gas detector internal structure principle display device. BACKGROUND
[0002] It is known that gas is one of five disasters in mine, and gas explosion accident can easily cause mass death and injury of underground operation personnel, so, the coal mine gas inspection operator is an important work type of special operation, and the importance of the post is obvious;
[0003] And optical gas detector is a more common detector, and is also an instrument that needs to be completely mastered and used in teaching, optical gas detector detects by using the interference phenomenon of two beams of light in different gas media, and gas concentration change changes the refractive index of gas in the gas chamber, and then influences the optical path difference size, and the displacement amount of interference fringes is proportional to gas concentration, and gas concentration can be calculated by measuring displacement distance.
[0004] But because optical gas detector is inconvenient to disassemble and learn, the previous training form is mainly teacher's teaching, and the internal structure and principle of the students cannot be clearly and intuitively mastered, and the orderliness of teaching is influenced, therefore, the utility model discloses an optical gas detector internal structure principle display device, which greatly improves the understanding and mastery of the students on the internal structure and working principle of the optical gas detector. CONTENT OF THE UTILITY MODEL
[0005] In order to overcome the problem that optical gas detector is inconvenient to disassemble and learn, and the previous training form is mainly teacher's teaching, and the internal structure and principle of the students cannot be clearly and intuitively mastered.
[0006] The utility model discloses a technical scheme that an optical gas detector internal structure principle display device, including having outer box body, still including chart board, chart board is located the inside of outer box body, and one end of chart board and the inner wall of outer box body is rotatably connected, the upper end of outer box body is rotatably installed with the cover plate through the hinge, and the bottom of the inside of outer box body is provided with support assembly, the surface of chart board is provided with optical path system structure, gas path system structure and circuit system structure;
[0007] Optical path system structure is composed of optical path disassembly part and optical system diagram, gas path system structure is composed of gas path disassembly part and gas path system diagram, and circuit system structure is composed of circuit disassembly part and circuit system diagram.
[0008] Preferably, the disassembled parts are placed according to the corresponding positions, a part position chart in the instrument design is formed, and the part identification connection is connected to form a part connection relationship diagram, so as to show the working path of the parts, show the internal structure and working principle of the tile detector, and finally form a complete image display, which is helpful to clearly and accurately express the mechanical structure and principle of the tile detector, and is convenient for learning, analysis and communication.
[0009] As preferred, the inner wall of the outer box body is fixedly provided with a fitting strip, and the fitting strip is connected with the side of the lower end of the chart plate.
[0010] As preferred, the support assembly comprises a limiting slide rail and a connecting seat, the limiting slide rail is provided with two, the limiting slide rail is fixedly connected with the chart plate, the two limiting slide rails are slidably connected with the two ends of the connecting seat, the end of the support side plate away from the connecting seat is rotatably connected with the bottom of the outer box body.
[0011] As preferred, the surface of the limiting slide rail is provided with a pin hole, the pin hole is distributed at equal intervals, the surface of the connecting seat is screwedly provided with a limiting bolt, and the limiting bolt is connected with the pin hole.
[0012] As preferred, the light path disassembled part comprises a condenser, a plane mirror, a light folding prism, a reflecting prism, an objective lens, a micrometer, an eyepiece, a main adjusting screw, a fine adjusting screw and a shell, and the condenser, the plane mirror, the light folding prism, the reflecting prism, the objective lens, the micrometer, the eyepiece, the main adjusting screw, the fine adjusting screw and the shell are adhered to the surface of the chart plate.
[0013] As preferred, the gas path disassembled part comprises an air outlet pipe, an air inlet pipe, a moisture absorption pipe, a carbon dioxide absorption pipe, a disc-shaped pipe, an air suction ball and a gas chamber, and the air outlet pipe, the air inlet pipe, the moisture absorption pipe, the carbon dioxide absorption pipe, the disc-shaped pipe, the air suction ball and the gas chamber are adhered to the surface of the chart plate.
[0014] As preferred, the circuit disassembled part comprises a battery, a bulb, a light source switch and a micro-reading switch, the battery, the bulb, the light source switch and the micro-reading switch are provided with a connecting wire, and the battery, the bulb, the light source switch and the micro-reading switch are adhered to the surface of the chart plate.
[0015] The utility model discloses the beneficial effects of:
[0016] 1. The optical gas detector internal structure principle display device, different components in the instrument are placed on the chart plate by adhesion to form a display diagram, the basic elements of mechanical diagrams are displayed through one diagram, the characteristics and effects of each element are explained in detail, through specific mechanical diagram examples, students are guided to understand various marks and annotations, students can more intuitively understand the significance and application of these annotations in actual machinery, the teaching process of teachers is more orderly, and the teaching quality is improved;
[0017] 2. The optical gas detector internal structure principle display device, the synchronous display of the component physical object and the chart introduction enhances the enthusiasm and initiative of students in learning, the classroom participation is higher, knowledge can be combed more efficiently, the learning efficiency is improved, through test scores and other data, the understanding and mastery of students on knowledge points are obviously improved, and the system thinking and summarizing ability of students are cultivated. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The optical gas detector internal structure principle display device overall structure schematic diagram of the utility model is shown Figure 1 ;
[0019] Figure 2 The optical gas detector internal structure principle display device overall structure schematic diagram of the utility model is shown Figure 2 ;
[0020] Figure 3 The optical gas detector internal structure principle display device overall structure schematic diagram of the utility model is shown
[0021] Figure 4 The optical gas detector internal structure principle display device chart plate structure schematic diagram of the utility model is shown
[0022] Figure 5 The optical gas detector internal structure principle display device gas path disassembly component structure schematic diagram of the utility model is shown
[0023] Figure 6 The optical gas detector internal structure principle display device circuit disassembly component structure schematic diagram of the utility model is shown.
[0024] Explanation of reference signs: 1, outer box body; 11, fitting strip; 2, graph board; 21, limiting slide rail; 22, connecting seat; 23, supporting side plate; 24, bolt hole; 25, limiting bolt; 3, cover plate; 4, shell; 41, condenser lens; 42, plane mirror; 43, light folding prism; 44, reflecting prism; 45, objective lens; 46, micrometer; 47, eyepiece; 48, main adjusting screw; 49, fine adjusting screw; 51, air outlet pipe; 52, air inlet pipe; 53, moisture absorption pipe; 54, carbon dioxide absorption pipe; 55, disc-shaped pipe; 56, air suction ball; 57, air chamber; 61, battery; 62, light bulb; 63, light source switch; 64, micro-reading switch. DETAILED DESCRIPTION
[0025] The utility model is further explained in connection with the drawings and examples.
[0026] Please refer to Figures 1-6 The utility model provides a kind of embodiment: optical gas detector internal structure principle display device, including outer box body 1, still including graph board 2, graph board 2 is located at the inboard of outer box body 1, and one end of graph board 2 is rotatably connected with the inner wall of outer box body 1, and fitting strip 11 is fixedly installed on the inner wall of outer box body 1, fitting strip 11 and the side of the lower end of graph board 2 are attached, and cover plate 3 is rotatably installed on the upper end of outer box body 1 by hinge, and support assembly is provided at the bottom of the inboard of outer box body 1, and the surface of graph board 2 is provided with optical path system structure, gas path system structure and circuit system structure;
[0027] Optical path system structure is composed of optical path disassembling component and optical system diagram, gas path system structure is composed of gas path disassembling component and gas path system diagram, and circuit system structure is composed of circuit disassembling component and circuit system diagram, and the component after disassembling is placed according to corresponding position fixed point, forms a component position chart in instrument design, and each component is marked and connected, forms component connection relation diagram, to show the working path of component, shows the internal structure and working principle of gas detector, physical component point and line connection, finally form complete image display, help to clearly and accurately express the mechanical structure and principle of gas detector, facilitate learning, analysis and exchange etc.
[0028] Please refer to Figure 1 、 Figure 2 And Figure 3In the embodiment, the supporting assembly comprises limiting slide rails 21 and connecting seats 22. The limiting slide rails 21 are provided with two, and the limiting slide rails 21 and the graph board 2 are fixedly connected. The two limiting slide rails 21 are slidably connected with two ends of the connecting seats 22 respectively. The ends of the two ends of the connecting seats 22 are rotatably installed with supporting side plates 23. One end of the supporting side plates 23, which is away from the connecting seats 22, is rotatably connected with the bottom of the outer box body 1. The surface of the limiting slide rail 21 is provided with a plurality of bolt holes 24 which are distributed at equal intervals. The surface of the connecting seat 22 is threadedly installed with limiting bolts 25 which are boltedly connected with the bolt holes 24. When displaying, the graph board 2 is turned over to stand up. The connecting seat 22 slides on the limiting slide rail 21. The limiting bolts 25 and the bolt holes 24 are connected to limit the movement of the connecting seat 22. The supporting side plates 23 support the graph board 2 to fix the graph board 2 to stand up. The teaching content on the graph board 2 is displayed. When not in use, the graph board 2 is turned over to be stored in the outer box body 1 for convenient carrying.
[0029] Please refer to Figure 4 In the embodiment, the optical path disassembling components comprise a condenser 41, a plane mirror 42, a refracting prism 43, a reflecting prism 44, an objective lens 45, a micrometer 46, an ocular lens 47, a main adjusting screw 48, a fine adjusting screw 49 and a shell 4. The condenser 41, the plane mirror 42, the refracting prism 43, the reflecting prism 44, the objective lens 45, the micrometer 46, the ocular lens 47, the main adjusting screw 48, the fine adjusting screw 49 and the shell 4 are adhered to the surface of the graph board 2. The different components are adhered to the graph board 2. The user can understand the components in the optical path. The optical system diagram is combined to facilitate understanding and teaching.
[0030] Please refer to Figure 4 and Figure 5 In the embodiment, the gas path disassembling components comprise an air outlet pipe 51, an air inlet pipe 52, a moisture absorption pipe 53, a carbon dioxide absorption pipe 54, a disc-shaped pipe 55, an air suction ball 56 and a gas chamber 57. The air outlet pipe 51, the air inlet pipe 52, the moisture absorption pipe 53, the carbon dioxide absorption pipe 54, the disc-shaped pipe 55, the air suction ball 56 and the gas chamber 57 are adhered to the surface of the graph board 2. The components of the gas path are adhered to the graph board 2. The user can understand the components in the gas path. The gas path system diagram is combined to facilitate understanding and teaching.
[0031] Please refer to Figure 4 and Figure 6 In the embodiment, the circuit disassembling components comprise a battery 61, a bulb 62, a light source switch 63 and a micro-reading switch 64. The battery 61, the bulb 62, the light source switch 63 and the micro-reading switch 64 are connected by wires. The battery 61, the bulb 62, the light source switch 63 and the micro-reading switch 64 are adhered to the surface of the graph board 2. The understanding and mastery of the internal structure and working principle of the optical detector are improved.
[0032] In the work, the optical gas detector mainly takes optical path system, gas path system, circuit system three parts constitute, thereby each system physical components are disassembled out, and are adhered and installed on the surface of the chart board 2, and the auxiliary system icon is assisted to assist explanation and show, through a diagram shows the basic elements of mechanical diagram, explain the characteristics and effects of each element in detail, through specific mechanical diagram examples, gradually guide students to recognize various marks, realize the synchronous display of physical and chart introduction, so that the enthusiasm and initiative of students learning is enhanced, the classroom participation is higher, can more efficiently carry out knowledge carding, at the same time, the chart board 2 is stored in the outer box body 1, convenient to carry, when displaying, the chart board 2 is turned up, the connecting seat 22 is slid on the limiting slide rail 21, and the limiting bolt 25 and the bolt hole 24 are connected to realize limiting, so that the supporting side plate 23 supports the chart board 2, the chart board 2 is fixed and erected, and the teaching content on the chart board 2 is displayed.
[0033] Through the above steps, the disassembled components are placed according to the corresponding position, a component position chart in instrument design is formed, and the component identification is connected to form a component connection relationship diagram, which is used to show the working path of the components and show the internal structure and working principle of the gas detector. The physical component point and the line connection finally form a complete image display, which helps to clearly and accurately express the mechanical structure and principle of the gas detector, facilitates learning, analysis and communication, etc. to solve the problem that the optical gas detector is not convenient to disassemble and learn. The previous training form is mainly based on teacher's teaching, which cannot clearly and intuitively enable students to master the internal structure and principle.
Claims
1. The optical gas detector internal structure principle display device, including the outer box (1), characterized in that: Also include a chart board (2), chart board (2) is located in the inside of the outer box (1), and one end of chart board (2) and the inner wall of outer box (1) are rotatably connected, the upper end of outer box (1) is rotatably installed with a cover plate (3) through a hinge, the bottom of the inside of outer box (1) is provided with a support assembly, the surface of chart board (2) is provided with an optical path system structure, a gas path system structure and a circuit system structure; The optical path system structure is composed of an optical path disassembling part and an optical system diagram, the gas path system structure is composed of a gas path disassembling part and a gas path system diagram, and the circuit system structure is composed of a circuit disassembling part and a circuit system diagram.
2. The optical gas-detection internal-structure-principle demonstration device according to claim 1, characterized in that The inner wall of outer box (1) is fixedly installed with a fitting strip (11), and the edge side of the lower end of chart board (2) is attached and connected.
3. The optical gas-detection internal-structure-principle demonstration device according to claim 1, characterized in that: The support assembly comprises limiting slide rails (21) and a connecting seat (22), the limiting slide rails (21) are provided with two, the limiting slide rails (21) are fixedly connected with chart board (2), the two limiting slide rails (21) are slidably connected with the two ends of connecting seat (22), and the ends of the two ends of connecting seat (22) are rotatably installed with support side plates (23), and one end, away from connecting seat (22), of support side plate (23) is rotatably connected with the bottom of outer box (1).
4. The optical gas-detection internal-structure-principle demonstration device according to claim 3, characterized in that The surface of limiting slide rail (21) is provided with a latch hole (24), the latch holes (24) are distributed at equal intervals, and the surface of connecting seat (22) is threadedly installed with a limiting bolt (25), the limiting bolt (25) and the latch hole (24) are latch-connected.
5. The optical gas-detection internal-structure-principle demonstration device according to claim 1, characterized in that The optical path disassembling part is composed of a condenser lens (41), a plane mirror (42), a light folding prism (43), a reflecting prism (44), an objective lens (45), a micrometer (46), an ocular lens (47), a main adjusting screw (48), a fine adjusting screw (49) and a shell (4), and the condenser lens (41), the plane mirror (42), the light folding prism (43), the reflecting prism (44), the objective lens (45), the micrometer (46), the ocular lens (47), the main adjusting screw (48), the fine adjusting screw (49) and the shell (4) are adhered to the surface of chart board (2) respectively.
6. The optical gas-detecting instrument internal structure principle display device according to claim 1, characterized in that: The gas path disassembling part is composed of an air outlet pipe (51), an air inlet pipe (52), a moisture absorption pipe (53), a carbon dioxide absorption pipe (54), a disc-shaped pipe (55), an air suction ball (56) and a gas chamber (57), and the air outlet pipe (51), the air inlet pipe (52), the moisture absorption pipe (53), the carbon dioxide absorption pipe (54), the disc-shaped pipe (55), the air suction ball (56) and the gas chamber (57) are adhered to the surface of chart board (2).
7. The optical gas-detecting instrument internal structure principle display device according to claim 1, characterized in that: The circuit disassembling part is composed of a battery (61), a bulb (62), a light source switch (63) and a micro-reading switch (64), a connecting wire is arranged between the battery (61), the bulb (62), the light source switch (63) and the micro-reading switch (64), and the battery (61), the bulb (62), the light source switch (63) and the micro-reading switch (64) are adhered to the surface of chart board (2).