CN211578219U - Balanced section tracing erosion simulation demonstration device - Google Patents
Balanced section tracing erosion simulation demonstration device Download PDFInfo
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- CN211578219U CN211578219U CN202020381776.3U CN202020381776U CN211578219U CN 211578219 U CN211578219 U CN 211578219U CN 202020381776 U CN202020381776 U CN 202020381776U CN 211578219 U CN211578219 U CN 211578219U
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Abstract
The utility model discloses an equilibrium section is traced to source and is eroded emulation presentation device, it relates to the teaching equipment field. The problem of teaching effect when the teacher is tracing to the source and is eroding the teaching at present, remain to be promoted is solved. The technical scheme is characterized by comprising a rack; the transparent demonstration box is borne on the rack, and a water replenishing pipe is arranged on the side wall of the transparent demonstration box; the water storage tank is borne on the rack and internally provided with simulated silt; the water pump is borne in the water storage tank, a circulating water inlet pipe communicated with the side wall of the transparent demonstration box is arranged on the water pump, and a circulating water drainage pipe communicated with the water storage tank is arranged on the side wall of the transparent demonstration box; the transparent demonstration box is far away from one end of the water replenishing pipe, and the bottom wall of the transparent demonstration box is provided with a sand discharge pipe which is communicated with the water storage tank and can be controlled to open and close. The utility model discloses a forming process and the comprehensive emulation of erosion process that traces to the source erosion are constituteed to the control of emulation silt and flowing water to mechanical mechanism and control system, are favorable to student's observation and understanding more to improve the teaching effect.
Description
Technical Field
The utility model relates to a teaching equipment field, more specifically say, it relates to a balanced section erosion simulation presentation device that traces to the source.
Background
The source erosion refers to the process that surface runoff leads an erosion gully to extend towards the opposite direction of water flow and gradually approaches to a watershed, and the surface runoff is eroded towards the source. It occupies an important chapter in middle school geography textbooks, and the process in which the source-tracing erosion occurs is a very lengthy process in nature.
At present, teachers can only explain students in a blackboard writing mode when tracing to the source and eroding related teaching, the understanding of the students is more stopped on the literal meaning, and the whole teaching effect is to be promoted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a balanced section erosion simulation presentation device that traces to source, it has the process that can demonstrate the erosion that traces to source dynamically to more be favorable to student's understanding, improve the teaching effect.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a balanced section tracing erosion simulation demonstration device comprises:
a rack;
the transparent demonstration box is borne on the rack, and a water replenishing pipe is arranged on the side wall of the transparent demonstration box;
the water storage tank is borne on the rack and positioned below the transparent demonstration box, and simulated silt is arranged in the water storage tank; and the number of the first and second groups,
the water pump is borne in the water storage tank, a circulating water inlet pipe communicated with the side wall of the transparent demonstration box is arranged on the water pump, and a circulating water drainage pipe communicated with the water storage tank is arranged on the side wall of the transparent demonstration box;
wherein, transparent demonstration case is kept away from the one end of moisturizing pipe, its diapire be provided with the storage water tank intercommunication, and can control the row's of opening and shutting sand pipe.
Further, a computer system and a controller are arranged on the rack, and the water pump is connected with the controller.
Further, the computer system comprises a computer host and a transparent liquid crystal display screen, and the transparent demonstration box is arranged on the back of the transparent liquid crystal display screen.
Furthermore, the transparent demonstration box inner side wall is provided with a driving device, the driving device is provided with a driving rod capable of reciprocating, and the end part of the driving rod is provided with a piston capable of extending into the sand discharge pipe.
Further, the piston is in a circular truncated cone shape.
Furthermore, be provided with silt in the storage water tank and filter the baffle, silt filters the baffle will it deposits husky district and no husky district to separate in the storage water tank, the water pump all is located with emulation silt deposit husky district.
Furthermore, the top end of the silt filtering baffle plate is lower than the water storage tank, and an upper cover filter plate is arranged in the silt storage area; one end of the upper cover filter plate is connected with the silt filter baffle plate, the other end of the upper cover filter plate is connected with the inner side wall of the water storage tank, and the sand discharge pipe and the circulating drain pipe penetrate through the upper cover filter plate and extend into the sand storage area; the sand filtering aperture of the sediment filtering baffle is smaller than the minimum particle size of the simulated sediment, and the sand filtering aperture of the upper cover filter plate is larger than the sand filtering aperture of the sediment filtering baffle.
Furthermore, a flow guide plate is arranged in the sand storage area, one end of the flow guide plate is connected with the inner side wall of the water storage tank, and the other end of the flow guide plate is connected with the inner bottom wall of the water storage tank; the water pump is close to diapire in the storage water tank, and is located between silt filter baffle and the guide plate.
Further, the bottom wall is provided with the drain pipe in the no sand district, be provided with the drain valve on the drain pipe.
Furthermore, an electromagnetic valve and a flow monitoring sensor which are connected with the controller are arranged on the water replenishing pipe.
To sum up, the utility model discloses following beneficial effect has:
1. the forming process of the tracing erosion and the comprehensive simulation of the erosion process are formed by controlling the simulated silt and the flowing water through the mechanical mechanism and the control system, so that the observation and the understanding of students are facilitated, and the teaching effect is improved;
2. the transparent liquid crystal display screen is adopted, and the transparent liquid crystal display screen has a touch function, so that a teacher can write and mark the erosion phenomenon which is happening on the screen, and the understanding and observation of students are facilitated;
3. the computer system can record parameters such as flow size, loss of silt and duration during the test, thereby realizing the functions of simulation experiment and quantitative comparison.
Drawings
Fig. 1 is a schematic structural diagram of a balanced section tracing erosion simulation demonstration apparatus in embodiment 1;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of an equilibrium profile tracing erosion simulation demonstration apparatus in embodiment 2.
In the figure: 1. a rack; 11. a pulley; 2. a transparent demonstration box; 3. a water storage tank; 31. a silt filtering baffle plate; 32. a drain pipe; 33. a baffle; 34. a filter plate is covered; 41. a water pump; 42. circulating a water inlet pipe; 5. a water replenishing pipe; 51. a flow monitoring sensor; 61. a circulating water drainage pipe; 62. a sand discharge pipe; 71. a computer host; 72. a transparent liquid crystal display screen; 73. a controller; 8. simulating silt; 91. a drive device; 92. a drive rod; 93. a piston.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example 1:
a source tracing erosion simulation demonstration device for a balanced section refers to fig. 1, and comprises a rack 1, wherein four pulleys 11 are uniformly distributed at the bottom of the rack 1, so that the device is convenient to move; a transparent demonstration box 2 and a water storage tank 3 are respectively arranged in the rack 1, wherein the water storage tank 3 is positioned below the transparent demonstration box 2; a water replenishing pipe 5 is arranged on the side wall of the transparent demonstration box 2, and the water replenishing pipe 5 is used for being externally connected with a water source so as to inject water into the transparent demonstration box 2; in this embodiment, the water replenishing pipe 5 is provided with an electromagnetic valve (not shown in the drawings) and a flow monitoring sensor 51, the electromagnetic valve is used for controlling the opening or closing of the water replenishing pipe 5, and the flow monitoring sensor 51 is used for monitoring the water injection amount.
Referring to fig. 1, a simulated silt 8 and a water pump 41 are arranged in the water storage tank 3, and ordinary silt is not beneficial to demonstrating the experimental process due to large specific gravity and poor fluidity, so the simulated silt 8 in the embodiment adopts simulated sand and stone resin particles made of melamine formaldehyde molding compound, and the melamine formaldehyde molding compound is thermosetting plastic compounded by resin and an auxiliary agent which are formed by copolycondensation of formaldehyde and melamine. In the embodiment, the simulated silt 8 is light in material and good in fluidity, so that the demonstration effect is easier to realize, the flowing liquid is not turbid, and the experimental process can be clearly demonstrated; meanwhile, the simulated silt 8 is a recyclable material, so that the material can be repeatedly utilized, and the production cost is reduced.
Referring to fig. 1, a water pump 41 is provided with a circulating water inlet pipe 42 communicated with the side wall of the transparent demonstration box 2, and the other opposite side wall of the transparent demonstration box 2 is provided with a circulating water outlet pipe 61 communicated with the water storage tank 3; the transparent demonstration box 2 is arranged at one end far away from the water replenishing pipe 5, and the bottom wall of the transparent demonstration box is provided with a sand discharge pipe 62 which is communicated with the water storage tank 3 and can be controlled to open and close; in this embodiment, the water supply pipe 5 and the circulating water inlet pipe 42 are located on the same side wall of the transparent demonstration box 2, and the end is defined as the upstream, and the circulating water outlet pipe 61 and the sand discharge pipe 62 are located at the downstream.
Referring to fig. 1 and 2, a driving device 91 is arranged on the inner side wall of the transparent demonstration box 2, in this embodiment, the driving device 91 is an electric push rod, a driving rod 92 capable of reciprocating is arranged on the driving device 91, a piston 93 capable of extending into the sand discharge pipe 62 is arranged at the end of the driving rod 92, and the piston 93 can be in close contact with the inner side wall of the sand discharge pipe 62, so that the sand discharge pipe 62 can be controlled to be opened or closed; in this embodiment, the piston 93 is in a circular truncated cone shape, so that the piston can be conveniently pulled out of the simulated sediment 8.
Referring to fig. 1, in this embodiment, a silt filtering baffle plate 31 is disposed in the water storage tank 3, a sand filtering aperture of the silt filtering baffle plate 31 is smaller than the minimum particle size of the simulated silt 8, the silt filtering baffle plate 31 divides the interior of the water storage tank 3 into a sand storage area and a sand-free area, and the water pump 41 and the simulated silt 8 are both located in the sand storage area; a guide plate 33 is arranged in the sand storage area, one end of the guide plate 33 is connected with the inner side wall of the water storage tank 3, and the other end of the guide plate 33 is connected with the inner bottom wall of the water storage tank 3; the water pump 41 is close to the inner bottom wall of the water storage tank 3 and is positioned between the silt filtering baffle plate 31 and the guide plate 33; the inclined guide plate 33 is convenient for collecting the simulated silt 8 at the water pump 41, so that the working efficiency can be improved; the bottom wall in the sand-free area is provided with a drain pipe 32, and the drain pipe 32 is provided with a drain valve (not shown in the drawing), wherein the drain valve is preferably an electromagnetic drain valve in the embodiment; the inside of the water storage tank 3 is divided into a sand storage area and a sand free area by the sand filtering baffle plate 31, and the drain pipe 32 is arranged in the sand free area, so that the simulated sand 8 can be retained therein when the waste water in the water storage tank 3 is drained.
Referring to fig. 1, a computer system and a controller 73 are arranged on a gantry 1, and the controller 73 is an embedded data exchange processing main controller; the computer system in the embodiment comprises a computer host 71 and a transparent liquid crystal display 72, and the transparent demonstration box 2 is arranged on the back of the transparent liquid crystal display 72; in this embodiment, the water pump 41, the electromagnetic valve on the water replenishing pipe 5, the flow monitoring sensor 51, the driving device 91 and the drain valve on the drain pipe 32 are all connected to the controller 73, so that automatic control can be realized through a computer system.
The working principle is as follows:
this device includes two dynamic processes, and one is the process that resets, is about to take out to transparent demonstration case 2 in the emulation silt 8 in the storage water tank 3, and another is emulation demonstration process, demonstrates the process of erosion of tracing to the source promptly in transparent demonstration case 2.
In the resetting process, the electromagnetic valve on the water replenishing pipe 5 is opened firstly, and the external water source is injected into the transparent demonstration box 2, so that the upstream water can be clearly seen; after the water level in the transparent demonstration box 2 reaches a certain height, the redundant water flows into the water storage tank 3 from the circulating water discharge pipe 61, and the water flows into the water storage tank 3 to wash and infiltrate the simulated silt 8, so that the simulated silt can fully absorb water; when the water level of the water storage tank 3 reaches a certain height, the electromagnetic valve is closed to stop the water supply of the external water source.
Then starting the water pump 41, pumping the mixture of the simulated silt 8 and water into the transparent demonstration box 2, and after the muddy water mixture enters the transparent demonstration box 2, sinking a large amount of the simulated silt 8 into the bottom of the transparent demonstration box 2 for stacking layer by layer due to gravity because a large amount of the muddy water mixture is pumped; the redundant running water flows into the water storage tank 3 through the circulating water discharge pipe 61 and promotes the simulated silt 8 near the water pump 41 to flow into the water pump 41; the operation is repeated until most of the simulated silt 8 in the water storage tank 3 is brought into the transparent demonstration tank 2, the water pump 41 is closed, and an observer can determine the silt amount of the river channel through the turbidity of the water flowing upstream of the river and the thickness of the accumulated silt.
In the simulation demonstration process, the electromagnetic valve on the water replenishing pipe 5 and the driving device 91 are both started, an upstream flowing water can be formed in the transparent demonstration box 2 by an external water source after the electromagnetic valve is opened, and the driving device 91 controls the driving rod 92 to withdraw after being started, so that the piston 93 is separated from the driving rod, and the sand discharge pipe 62 is opened.
Like a natural river, the upstream flowing water flows from upstream to midstream and downstream to sea, and at this time, an observer can visually observe the transport, side erosion, and downstream natural accumulation of the flowing water due to the flow of the upstream flowing water through the transparent liquid crystal display screen 72.
The upstream incoming water partially flows out through the circulating drainage pipe 61, the downstream geological loose (caused by opening the sand discharge pipe 62) is partially caused by the downstream geological loose, the downstream geological loose of the balanced section of the river can drive a large amount of river channel silt to flow, the downstream geological loose is caused to erode downwards along with the upstream incoming water scouring, the silt is taken away, and the upstream geological low and soft gradually causes source-tracing erosion.
In the process of tracing to the source erosion, the transparent liquid crystal display 72 in front can see the silt change condition of the river channel profile all the time, and because the transparent liquid crystal display 72 has a touch function, a classroom can write and mark the erosion phenomenon which is happening through a screen, so that the teaching and observation of students are facilitated.
Example 2:
a simulation demonstration apparatus for tracing erosion of equilibrium profile, referring to fig. 3, based on embodiment 1, the difference between this embodiment and embodiment 1 is: the top end of the silt filtering clapboard 31 is lower than the water storage tank 3, and an upper cover filter plate 34 is arranged in the silt storage area; one end of the upper cover filter plate 34 is connected with the silt filter baffle plate 31, the other end is connected with the inner side wall of the water storage tank 3, and the sand discharge pipe 62 and the circulating drain pipe 61 penetrate through the upper cover filter plate 34 and extend into the sand storage area; the sand filtering aperture of the sediment filtering baffle plate 31 is smaller than the minimum particle size of the simulated sediment 8, and the sand filtering aperture of the upper cover filter plate 34 is larger than the sand filtering aperture of the sediment filtering baffle plate 31.
Referring to fig. 3, the simulated silt 8 in this embodiment includes yellow, white, black, and red particles, wherein the yellow particles have a particle size of 1.4-2.0mm, the white particles have a particle size of 1.0-0.8mm, the black particles have a particle size of 0.7-0.5mm, and the red particles have a particle size of 0.2-0.4 mm; the sand filtering aperture of the sediment filtering clapboard 31 is smaller than 0.2mm, and the problem that the water flow is influenced by blockage due to the undersize sand filtering aperture of the sediment filtering clapboard 31 exists; the sand filtering aperture of the upper cover filter plate 34 is slightly larger than that of the sediment filtering clapboard 31, and the sand filtering aperture of the upper cover filter plate 34 in the embodiment is larger than 0.2mm and smaller than 0.5 mm; the particles sink under gravity so the upper cover filter 34 is not blocked.
Referring to fig. 3, in the simulation process, the mud-water mixture enters the sand storage area through the sand discharge pipe 62, the simulated sediment sinks, part of water enters the sand-free area through the sediment filtering baffle plate 31, and after the water surface is lifted, the water enters the sand-free area through the upper cover filter plate 34, the sand filtering pore size of the upper cover filter plate 34 is larger, the sand filtering pore size is not blocked, and the water yield can be increased; simultaneously, also there will be a small amount of granule and can run off through upper cover filter 34, but the main that runs off is the little dust class silt of particle size, can make water more limpid on the contrary like this, improves observation effect.
Claims (10)
1. A balanced section tracing erosion simulation demonstration device is characterized by comprising:
a rack;
the transparent demonstration box is borne on the rack, and a water replenishing pipe is arranged on the side wall of the transparent demonstration box;
the water storage tank is borne on the rack and positioned below the transparent demonstration box, and simulated silt is arranged in the water storage tank; and the number of the first and second groups,
the water pump is borne in the water storage tank, a circulating water inlet pipe communicated with the side wall of the transparent demonstration box is arranged on the water pump, and a circulating water drainage pipe communicated with the water storage tank is arranged on the side wall of the transparent demonstration box;
wherein, transparent demonstration case is kept away from the one end of moisturizing pipe, its diapire be provided with the storage water tank intercommunication, and can control the row's of opening and shutting sand pipe.
2. The balanced profile traceability erosion simulation demonstration apparatus according to claim 1, wherein: the rack is provided with a computer system and a controller, and the water pump is connected with the controller.
3. The balanced profile traceability erosion simulation demonstration apparatus according to claim 2, wherein: the computer system comprises a computer host and a transparent liquid crystal display screen, and the transparent demonstration box is arranged on the back surface of the transparent liquid crystal display screen.
4. The balanced profile traceability erosion simulation demonstration device according to any one of claims 1 to 3, wherein: the transparent demonstration box inner side wall is provided with a driving device, the driving device is provided with a driving rod capable of reciprocating, and the end part of the driving rod is provided with a piston capable of extending into the sand discharge pipe.
5. The balanced profile traceability erosion simulation demonstration apparatus according to claim 4, wherein: the piston is in a circular truncated cone shape.
6. The balanced profile traceability erosion simulation demonstration device according to any one of claims 1 to 3, wherein: be provided with silt in the storage water tank and filter the baffle, silt filters the baffle will it deposits husky district and no husky district to separate into in the storage water tank, the water pump all is located with emulation silt deposit husky district.
7. The balanced profile traceability erosion simulation demonstration apparatus according to claim 6, wherein: the top end of the silt filtering baffle plate is lower than the water storage tank, and an upper cover filtering plate is arranged in the silt storage area; one end of the upper cover filter plate is connected with the silt filter baffle plate, the other end of the upper cover filter plate is connected with the inner side wall of the water storage tank, and the sand discharge pipe and the circulating drain pipe penetrate through the upper cover filter plate and extend into the sand storage area; the sand filtering aperture of the sediment filtering baffle is smaller than the minimum particle size of the simulated sediment, and the sand filtering aperture of the upper cover filter plate is larger than the sand filtering aperture of the sediment filtering baffle.
8. The balanced profile traceability erosion simulation demonstration apparatus according to claim 6, wherein: a guide plate is arranged in the sand storage area, one end of the guide plate is connected with the inner side wall of the water storage tank, and the other end of the guide plate is connected with the inner bottom wall of the water storage tank; the water pump is close to diapire in the storage water tank, and is located between silt filter baffle and the guide plate.
9. The balanced profile traceability erosion simulation demonstration apparatus according to claim 8, wherein: the bottom wall is provided with the drain pipe in the no sand district, be provided with the drain valve on the drain pipe.
10. The balanced profile traceability erosion simulation demonstration apparatus according to claim 2, wherein: and the water replenishing pipe is provided with an electromagnetic valve and a flow monitoring sensor which are connected with the controller.
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| CN202020381776.3U CN211578219U (en) | 2020-03-24 | 2020-03-24 | Balanced section tracing erosion simulation demonstration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276033A (en) * | 2020-03-24 | 2020-06-12 | 苏州育龙科教设备有限公司 | Balanced section tracing erosion simulation demonstration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276033A (en) * | 2020-03-24 | 2020-06-12 | 苏州育龙科教设备有限公司 | Balanced section tracing erosion simulation demonstration device |
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