CN113178119A - Non-uniform refractive index field construction device and mirage demonstration device - Google Patents
Non-uniform refractive index field construction device and mirage demonstration device Download PDFInfo
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- CN113178119A CN113178119A CN202110511930.3A CN202110511930A CN113178119A CN 113178119 A CN113178119 A CN 113178119A CN 202110511930 A CN202110511930 A CN 202110511930A CN 113178119 A CN113178119 A CN 113178119A
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Abstract
The present application relates to a non-uniform refractive index field constructing apparatus and a mirage demonstration apparatus. The non-uniform refractive index field constructing apparatus includes: bearing support, basin, temperature control module and laser module. The water tank is arranged on the bearing support. The temperature control module is arranged on the bearing support and used for monitoring and adjusting the water temperature change in the water tank in real time. The laser module is arranged on one side of the length direction of the water tank and used for emitting laser. The non-uniform refractive index field building means is in use. The nonuniform refractive index field constructing device can be formed to have a persistent nonuniform refractive index field and has strong operability. The non-uniform refractive index field constructing device is simple in structure and visual in phenomenon, and can be used as a teaching instrument.
Description
Technical Field
The application relates to the technical field of physical science, in particular to a non-uniform refractive index field construction device and a mirage demonstration device.
Background
In a calm sea or above a desert, natural landscapes such as city buildings, pavilions, mountains, rivers and lakes may appear, and the natural landscapes are mirages or mirages of mirages formed by refraction or total reflection of light rays propagating through the atmosphere with uneven density distribution. For example, in summer, on a calm sea surface or a lake surface, the humidity of the atmosphere near the sea surface is high due to the evaporation of seawater, the density is also high, the refractive index is also high, and mirage possibly occurs on the sea surface. The mirage is the opposite.
The mirage phenomenon is a natural phenomenon actually caused by refraction and total reflection of light, and is a virtual image formed by refraction of light reflected by an object on the earth through the atmosphere. The essence of the method is that when light rays propagate in a medium with a non-uniform refractive index distribution, the light rays are deflected.
The transmission characteristics of light in the heterogeneous medium have been widely applied in large-scale research such as atmospheric optics, atmospheric laser communication and the like and design and manufacture of micro-miniature gradient refractive index optical components. Therefore, the research and development of a teaching instrument with simple device and intuitive phenomenon is beneficial to arousing the learning interest of students and has important help for explaining the mirage. Meanwhile, the method has important promotion significance for developing science popularization activities.
The generation of the non-uniform refractive index field is currently mainly formed by mixing a saturated NaCl solution with an aqueous solution, by solution diffusion. The refractive index field formed by such devices cannot persist and is poor in operability and repeatability.
Disclosure of Invention
In view of the above, there is a need to provide an easy-to-operate and stable non-uniform refractive index field constructing device and a mirage demonstration device, which can solve the problems that the current non-uniform refractive index field cannot persist and the operability and repeatability are poor.
A non-uniform refractive index field building apparatus comprising:
a load bearing support;
the water tank is arranged on the bearing bracket;
the temperature control module is arranged on the bearing support and used for monitoring and adjusting the water temperature change in the water tank in real time; and
and the laser module is arranged on one side of the length direction of the water tank and used for emitting laser.
In one embodiment, the temperature control module comprises:
at least one refrigeration module arranged on the bearing bracket;
the heating module is arranged on the bearing bracket; and
and the temperature controller is electrically connected with the refrigerating module and the heating module and is used for disconnecting the power supply of the refrigerating equipment when the temperature of the refrigerating module reaches a set value and disconnecting the power supply of the heating equipment when the temperature of the heating module reaches a set value.
In one embodiment, the refrigeration module comprises:
an aluminum plate;
the aluminum sheet is connected with the aluminum sheet screw hole;
the semiconductor refrigeration piece is fixed on the aluminum plate, and the cold end of the semiconductor refrigeration piece is adhered to the aluminum plate; and
the U-shaped copper pipe is fixed on the aluminum plate, the U-shaped copper pipe is connected with the hot end of the semiconductor refrigerating piece through heat-conducting silica gel, and a U-shaped opening of the U-shaped copper pipe deviates from the semiconductor refrigerating piece.
In one embodiment, the heating module comprises:
a heat source disposed in the water tank; and
and the heat source temperature sensor is arranged at the bottom of the heat source.
In one embodiment, the temperature control module further includes a cold source temperature sensor disposed below the water tank, and the cold source temperature sensor is configured to monitor a temperature of the refrigeration module.
In one embodiment, the non-uniform refractive index field constructing apparatus further comprises:
and the light ray recording module is arranged on one side of the width direction of the water tank and is used for recording a light ray track diagram.
In one embodiment, the temperature of the refrigeration module is set to 0 ℃ and the temperature of the heating module is set to 80 ℃.
A mirage presentation device comprising:
a load bearing support;
the water tank is arranged on the bearing bracket;
the temperature control module is arranged on the bearing support and used for monitoring and adjusting the water temperature change in the water tank in real time;
when the water tank is used, mirage artwork is arranged on one side of the length direction of the water tank, and mirage demonstration images are observed on the other side of the length direction of the water tank.
In one embodiment, the temperature control module comprises:
the four refrigeration modules are arranged on the bearing bracket and are positioned below the water tank;
the heating module is arranged on the bearing support and is positioned above the water tank; and
and the temperature controller is electrically connected with the refrigerating module and the heating module and is used for disconnecting the power supply of the refrigerating equipment when the temperature of the refrigerating module reaches a set value and disconnecting the power supply of the heating equipment when the temperature of the heating module reaches a set value.
In one embodiment, the mirage presentation device further comprises:
and the submersible pump is arranged in the water tank and used for enabling the disturbance of the temperature distribution to occur in the water tank.
The present application provides a non-uniform refractive index field construction device and a mirage demonstration device. The non-uniform refractive index field constructing apparatus includes: bearing support, basin, temperature control module and laser module. The water tank is arranged on the bearing support. The temperature control module is arranged on the bearing support and used for monitoring and adjusting the water temperature change in the water tank in real time. The laser module is arranged on one side of the length direction of the water tank and used for emitting laser. The non-uniform refractive index field building means is in use. The nonuniform refractive index field constructing device can be formed to have a persistent nonuniform refractive index field and has strong operability. The non-uniform refractive index field constructing device is simple in structure and visual in phenomenon, and can be used as a teaching instrument and a popular science display.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a non-uniform refractive index field building apparatus provided in one embodiment of the present application;
FIG. 2 is a schematic structural diagram of a non-uniform refractive index field building apparatus provided in one embodiment of the present application;
FIG. 3 is a side view of a heat sink apparatus in the non-uniform refractive index field constructing apparatus provided in an embodiment of the present application;
FIG. 4 is a front view of a laser module in a non-uniform refractive index field building apparatus provided in one embodiment of the present application;
FIG. 5 is a side view of a laser module in a non-uniform refractive index field building apparatus provided in one embodiment of the present application;
FIG. 6 is a schematic structural diagram of a square aluminum sheet with a semicircular ring in a laser module in the non-uniform refractive index field constructing apparatus provided in an embodiment of the present application;
FIG. 7 is a graph showing experimental results of light bending propagation generated by a temperature gradient field formed by the non-uniform refractive index field constructing apparatus according to the present application;
FIG. 8 is a schematic view of a mirage presentation device according to an embodiment of the present application;
FIG. 9 is a mirage artwork;
FIG. 10 is a mirage image viewed using the mirage presentation device provided in one embodiment of the present application;
fig. 11 is a schematic diagram illustrating the mirage demonstration device according to an embodiment of the present invention, which implements the phenomenon of fata.
Description of reference numerals:
a non-uniform refractive index field building means 100;
a mirage presentation device 200;
a load bearing support 1; a universal wheel 2; cross bar 101
A water tank 3;
a temperature control module 110;
a refrigeration module 111; an aluminum plate 6; a cold source temperature sensor 7; a semiconductor refrigeration plate 8; a U-shaped copper pipe 9; an aluminum sheet 10; a set screw 11; a honeycomb aluminum sheet 12; a fan 13;
a heating module 112; a heat source 4; a heat source temperature sensor 5;
a temperature controller 14;
a laser module 120; a laser controller 15; a laser 16; a square aluminum sheet 161 with a semicircular ring; an iron piece 162; an iron pipe 163; a laser 164; a fixing lever 165; a screw 166; a slide screw 167; a laser holder 17; a screw rod 18; a set screw 181; a metal rod 182;
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to FIG. 1, the present application provides a non-uniform refractive index field building apparatus 100. The non-uniform refractive index field constructing apparatus 100 includes: a carrying bracket 1, a water tank 3, a temperature control module 110 and a laser module 120.
The structure of the bearing support 1 can refer to fig. 1, and the bearing support 1 can include universal wheels 2, cross bars (one of the cross bars 101 is illustrated in fig. 1) and longitudinal bars. The provision of the reverser wheels 2 allows the non-uniform refractive index field building apparatus 100 to be moved more conveniently.
The water tank 3 is arranged on the bearing support 1. The water tank 3 may be a transparent water tank. In one embodiment, the water tank 3 may be explosion-proof glass and is made of high temperature resistant glass cement.
The temperature control module 110 is disposed on the supporting bracket 1. The temperature control module 110 is used for monitoring and adjusting the water temperature change in the water tank 3 in real time.
The laser module 120 is disposed at one side of the length direction of the water tank 3, and is configured to emit laser. In one embodiment, as shown in FIG. 1, the laser module 120 is disposed on the right side of the sink 3. And adjusting the emitting direction of the laser in the laser module 120, and recording the emitting position on the left side of the water tank 3.
In this embodiment, during the use of the non-uniform refractive index field constructing apparatus 100, the laser module 120 emits laser light to irradiate the water tank 3 from the right side. The temperature control module 110 controls temperature variation in the water tank 3. The outgoing light is recorded on the left side of the water tank 3. The nonuniform refractive index field constructing apparatus 100 may be formed such that a nonuniform refractive index field is permanently present and the nonuniform refractive index field constructing apparatus 100 has a high operability. The non-uniform refractive index field constructing device 100 is simple in structure and intuitive in phenomenon, and can be used as a teaching instrument. The non-uniform refractive index field constructing apparatus 100 is advantageous for stimulating the learning interest of students and helping students understand the formation process of the non-uniform refractive index field.
In one embodiment, the temperature control module 110 includes: at least one cooling module 111, a heating module 112 and a thermostat 14.
At least one of the refrigeration modules 111 is disposed on the carrier 1. The heating module 112 is disposed on the carrier support 1. The thermostat 14 is electrically connected to the cooling module 111 and the heating module 112. The thermostat 14 is used to cut off the power of the cooling device when the temperature of the cooling module 111 reaches a set value, and to cut off the power of the heating device when the temperature of the heating module 112 reaches a set value.
In this embodiment, the temperature control module 110 is used for monitoring and adjusting the water temperature change in the water tank 3 in real time. The specific structure of the temperature control module 110 is not unique, and the function of monitoring and adjusting the water temperature in the water tank 3 in real time can be achieved.
Referring to fig. 2 and 3, in one embodiment, the refrigeration module 111 includes: the device comprises an aluminum plate 6, an aluminum sheet 10, a semiconductor refrigerating sheet 8 and a U-shaped copper pipe 9.
In this embodiment, the aluminum sheet 10 is connected with the screw hole of the aluminum sheet 6. Semiconductor refrigeration piece 8 is fixed in aluminum plate 6, and semiconductor refrigeration piece 8's cold junction with aluminum plate 6 adhesion. The U-shaped copper pipe 9 is fixed on the aluminum plate 6. And the U-shaped copper pipe 9 is connected with the hot end of the semiconductor refrigerating sheet 8 through heat-conducting silica gel. And the U-shaped opening of the U-shaped copper pipe 9 deviates from the semiconductor refrigerating sheet 8. The aluminum plate 6 and the aluminum sheet 10 are connected through a fixing screw 11.
In one embodiment, the refrigeration module 111 further comprises: a honeycomb aluminum sheet 12 and a fan 13. The U-shaped copper pipe 9 is inserted into the honeycomb aluminum sheet 12. The fans 13 are disposed at both ends of the aluminum honeycomb sheet 12. The fan 13 is connected with the temperature controller 14. The fan 13 is used for dissipating heat of the semiconductor chilling plate 8. When the semiconductor cooling plate 8 does not work, the fan 13 does not need to work.
In one embodiment, the heating module 112 includes: a heat source 4 and a heat source temperature sensor 5.
The heat source 4 is disposed in the water tank 3. The heat source temperature sensor 5 is arranged at the bottom of the heat source 4.
In this embodiment, the heat source 4 is a resistance heating device made of U-shaped aluminum. The heat source 4 has a size of 145cm × 8cm × 4 cm. The heat source temperature sensor 5 is arranged in a hole at the bottom of the heat source 4. The heat source 4 is arranged in the water tank 3, and the heat source 4 can float in the water tank 3 due to buoyancy.
In one embodiment, the temperature control module 110 further comprises a cold source temperature sensor 7.
In this embodiment, the cold source temperature sensor 7 is disposed below the water tank 3, and the cold source temperature sensor 7 is configured to monitor the temperature of the refrigeration module 111. One or more cold source temperature sensors 7 may be provided. When a plurality of the cool source temperature sensors 7 are provided, one of the cooling modules 111 may correspond to one of the cool source temperature sensors 7.
In one embodiment, the temperature control module 110 includes: four of the refrigeration modules 111. The four refrigeration modules 111 are all arranged below the water tank 3. The heating module 112 of the temperature control module 110 is disposed above the water tank 3.
In one embodiment, the thermostat 14 is electrically connected to the heat source temperature sensor 5, the cold source temperature sensor 7 and the fan 13, respectively. The temperature controller 14 serves as a master controller. When the power supply of the temperature controller 14 is turned on, the fan 13, the heat source temperature sensor 5 and the cold source temperature sensor 7 can be electrified to start working. The working principle of the temperature controller 14 is that when the temperature detected by the temperature sensor is higher or lower than a set value, the temperature controller 14 cuts off the power supply of the heating or refrigerating equipment.
The right side of the water tank 3 in fig. 2 shows a schematic structure of the laser controller 15, the laser 16, the stationary frame 17 and the lead screw 18.
Referring to fig. 4, fig. 4 is a front view of the laser module 120 in the non-uniform refractive index field constructing apparatus 100 provided in an embodiment of the present application. The laser holder 17 is provided with a screw 18, a square aluminum sheet 161 with a semicircular ring, an iron sheet 162, an iron pipe 163, a laser 164, a fixing rod 165, a screw 166, a slide screw 167, and a fixing screw 181.
Referring to fig. 5, fig. 5 is a side view of the laser module 120 in the non-uniform refractive index field constructing apparatus 100 according to an embodiment of the present application. Fig. 5 shows the structural arrangement of the screw rod 18, the square aluminum sheet 161 with semicircular rings, the iron sheet 162, the iron pipe 163, the laser 164, the fixing rod 165 and the metal rod 182. The metal rod 182 may be configured as a cylindrical metal rod, which functions to prevent the square aluminum sheet 161 with semicircular rings from rotating when the lead screw 18 is rotated.
Referring to fig. 6, fig. 6 is a schematic structural diagram of the square aluminum sheet 161 with semicircular rings in the laser module 120 of the non-uniform refractive index field constructing apparatus 100 according to an embodiment of the present application.
In one embodiment, the non-uniform refractive index field constructing apparatus 100 further comprises: a ray recording module (not shown).
The light ray recording module is disposed on one side of the water tank 3 in the width direction (i.e., the front side of the water tank 3) and is configured to record a light ray trace diagram. Referring to fig. 7, fig. 7 is a graph illustrating experimental results of light bending propagation generated by a temperature gradient field formed by the non-uniform refractive index field constructing apparatus 100 according to the present application. In fig. 7, the solid line shows the propagation path of the laser light in the water tank 3, and the laser light is incident from the right side, and when the laser light is transmitted in the water tank 3, the light is bent and propagated due to the non-uniform refractive index in the water tank 3, which is an experimental result. The dotted line is a straight line, which indicates the trajectory when traveling in a straight line if incident at the same angle.
The ray recording module may be a camera. In a specific embodiment, a light ray trace graph can be shot by a camera, and then the light ray trace graph is led into a computer to be compared with a theoretical value, so that the phenomenon of nonlinear propagation of light rays caused by thermal effect can be quantitatively researched.
In one embodiment, the temperature range of the cooling module 111 may be set to 0 ℃ to 10 ℃, and the temperature range of the heating module 112 may be set to 60 ℃ to 90 ℃.
In one embodiment, the temperature of the refrigeration module 111 differs from the temperature of the heating module 112 by 50 ℃ to 90 ℃.
In a specific embodiment, the temperature of the cooling module 111 is set to 0 ℃ and the temperature of the heating module 112 is set to 80 ℃.
In a specific embodiment, the non-uniform refractive index field constructing apparatus 100 comprises: the bearing bracket 1, the water tank 3, the laser module 120, four refrigeration modules 111, a heating module 112 and a temperature controller 14. The step of fabricating the assembled non-uniform refractive index field building apparatus 100 comprises:
(1) the carrier support 1 is provided.
(2) The refrigeration module 111 is assembled. One of the cooling modules 111 may include the aluminum plate 6, the cold source temperature sensor 7, the semiconductor cooling fin 8, the U-shaped copper pipe 9, the aluminum sheet 10, the fixing screw 11, the honeycomb aluminum sheet 12, and the fan 13. The assembly steps of the refrigeration module 111 include: 1) four corners of the aluminum sheet 10 were drilled with 4mm holes. 2) Corresponding screw holes are drilled in the aluminum plate 6. 3) And adhering the cold end of the semiconductor refrigeration sheet 8 to the aluminum plate 6 by utilizing heat-conducting silica gel. 4) And the U-shaped copper tube 9 is adhered to the hot end surface of the semiconductor refrigerating sheet 8 by utilizing heat-conducting silica gel, and the U-shaped opening of the U-shaped copper tube 9 deviates from the semiconductor refrigerating sheet 8. 5) The aluminum sheet 10, the copper tube 9 and the semiconductor refrigeration sheet 8 are fixed on the aluminum sheet 6 by the fixing screws 11. 6) After the heat-conducting silica gel is fixed, the U-shaped copper tube 9 is inserted into the honeycomb aluminum sheet 12. 7) Two electric fans 13 are arranged at two ends of the honeycomb aluminum sheet 12. The exhaust directions of the two electric fans 13 are consistent. 8) Assembling the other three refrigeration modules 111 according to the above steps. And the four refrigeration modules 111 are placed on the carrying bracket 1.
(3) The water tank 3 is placed on the bearing bracket 1. The water tank 3 may be a transparent water tank. The water tank 3 can be made of explosion-proof glass and bonded by high-temperature-resistant glass cement. The water tank 3 may be set to have a size of 150cm × 10cm × 35cm and a glass thickness of 8 mm. A certain amount of water is filled in the water tank 3. In one embodiment, the tank 3 contains water up to a tank level 3/4.
(4) The water tank 3 accommodates the heating module 112. The heat source 4 may be a resistance heating device made of U-shaped aluminum. The heat source 4 may have a size of 145cm × 8cm × 4 cm. And a heat source temperature sensor 5 is arranged in a hole at the bottom of the heat source 4. The heat source 4 is then placed in the water tank 3, and the heat source 4 may float in the water tank 3 due to buoyancy.
(5) The temperature controller 14 is arranged on the bearing bracket 1. The thermostat 14 is electrically connected to the cooling module 111 and the heating module 112. The thermostat 14 is used to cut off the power of the cooling device when the temperature of the cooling module 111 reaches a set value, and to cut off the power of the heating device when the temperature of the heating module 112 reaches a set value.
(6) The laser module 120 is placed on the right side of the carrying bracket 1. The laser module 120 includes the laser 16, a laser holder 17, a lead screw 18, and the structures illustrated in fig. 4 and 5.
The non-uniform refractive index field building apparatus 100, in use, comprises the steps of:
(1) and starting a power supply of the laser 16, adjusting the emitting angle of the laser to be 15 degrees, and marking the emitting position of the laser on the left side of the water tank 3.
(2) And starting a power supply of the temperature controller 14, setting the temperature of the refrigeration module 111 to be 0 ℃, and setting the temperature of the heating module 112 to be 80 ℃.
(3) The change in the laser emission position was observed. After the temperature of the instrument equilibrated (left to stand for about 30 minutes), the light trace was observed (fig. 7).
(4) And shooting a light ray trace graph by using a camera, and leading the light ray trace graph into a computer to be compared with a theoretical value, so as to quantitatively research the nonlinear propagation phenomenon of the light ray caused by the non-uniform refractive index field.
Referring to fig. 8, the present application also provides a mirage demonstration apparatus 200. The mirage presentation device 200 includes: a carrying bracket 1, a water tank 3 and a temperature control module 110.
The water tank 3 is arranged on the bearing support 1.
The temperature control module 110 is disposed on the supporting bracket 1. The temperature control module 110 is used for monitoring and adjusting the water temperature change in the water tank 3 in real time.
In use, the mirage artwork 19 is set on one side of the water tank 3 in the longitudinal direction, and the mirage demonstration is observed on the other side of the water tank 3 in the longitudinal direction.
The mirage presentation device 200 may be formed so that a non-uniform refractive index field persists for a long time and the mirage presentation device 200 is highly operable. The mirage demonstration device 200 has a simple structure and an intuitive phenomenon, and can be used as a teaching instrument. The mirage demonstration device 200 is advantageous in arousing the learning interest of students and well explaining the formation process of the mirage.
In one embodiment, the temperature control module 110 includes: four cooling modules 111, a heating module 112 and a thermostat 14.
The four refrigeration modules 111 are disposed on the support 1 and below the water tank 3. The heating module 112 is arranged on the bearing bracket 1 and is positioned above the water tank 3; and
the thermostat 14 is electrically connected to the cooling module 111 and the heating module 112. The thermostat 14 is used to cut off the power of the cooling device when the temperature of the cooling module 111 reaches a set value, and to cut off the power of the heating device when the temperature of the heating module 112 reaches a set value.
In one particular embodiment, the mirage image is viewed using a mirage presentation device 200 as shown in FIG. 8. The execution step of observing the mirage image using the mirage presentation device 200 includes:
(1) the mirage artwork 19 is placed on the left side of the sink 3 (may be attached to the left side wall of the sink 3).
(2) The power supply of the device (the power supply of the temperature control module 110) is turned on, the temperature of the refrigeration module 111 is set to 0 ℃, and the temperature of the heating module 112 is set to 80 ℃. The picture change was observed on the right side of the water tank 3.
(3) After the temperature in the water bath 3 has equilibrated (-30 minutes), the artwork (fig. 9) is seen to be stretched (fig. 10), thereby realizing the mirage effect. Fig. 9 is mirage artwork. Fig. 10 is a mirage image viewed using the mirage presentation device provided in one embodiment of the present application. The middle image in fig. 10 is the mirage image seen directly. The images on the left and right sides in fig. 10 are mirage images reflected by the glass on both sides of the sink.
Referring to fig. 11, in one embodiment, the mirage presentation device 200 further includes: a submersible pump 20. The submersible pump 20 is disposed in the water tank 3. The submersible pump 20 serves to cause a disturbance of the temperature distribution in the water bath 3.
In this embodiment, the mirage demonstration apparatus 200 may demonstrate the phenomenon of "Fata Mogana". Fata Morgana (Fata Morgana) is a complex mirage with the characteristics of multiple mirages of stretching/compressing, and normal/inverted being stacked one upon another. The mirage can exist for a long time and change from moment to moment.
In this embodiment, the submersible pump 20 is disposed at the bottom middle position of the water tank 3. Setting the temperature of the refrigerating module 111 to be 0 ℃, setting the temperature of the heating module 112 to be 80 ℃, and waiting for 30 minutes. The power to the submersible pump 20 is turned on. At this time, the flow of water occurs, that is, disturbance of the temperature distribution occurs. At this time, the mirage image is observed on the right side of the water tank 3, and the original image is constantly changed, that is, the phenomenon of "fata molgana" appears.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A non-uniform refractive index field creating device, comprising:
a load-bearing support (1);
a water tank (3) arranged on the bearing bracket (1);
the temperature control module (110) is arranged on the bearing bracket (1) and is used for monitoring and adjusting the water temperature change in the water tank (3) in real time; and
the laser module (120) is arranged on one side of the length direction of the water tank (3) and used for emitting laser.
2. The non-uniform refractive index field construction apparatus of claim 1, wherein the temperature control module (110) comprises:
at least one refrigeration module (111) arranged on the carrying bracket (1);
a heating module (112) arranged on the bearing bracket (1); and
the temperature controller (14) is electrically connected with the refrigerating module (111) and the heating module (112) and is used for disconnecting the power supply of the refrigerating equipment when the temperature of the refrigerating module (111) reaches a set value and disconnecting the power supply of the heating equipment when the temperature of the heating module (112) reaches a set value.
3. The non-uniform refractive index field construction apparatus of claim 2, wherein the refrigeration module (111) comprises:
an aluminum plate (6);
the aluminum sheet (10) is connected with the screw hole of the aluminum sheet (6);
the semiconductor refrigeration piece (8) is fixed on the aluminum plate (6), and the cold end of the semiconductor refrigeration piece (8) is adhered to the aluminum plate (6); and
u type copper pipe (9), be fixed in aluminum plate (6), and U type copper pipe (9) with the hot junction of semiconductor refrigeration piece (8) is connected through heat conduction silica gel, the U type mouth of U type copper pipe (9) deviates from semiconductor refrigeration piece (8).
4. The non-uniform refractive index field building apparatus according to claim 3, wherein the heating module (112) comprises:
a heat source (4) disposed in the water tank (3); and
and the heat source temperature sensor (5) is arranged at the bottom of the heat source (4).
5. The non-uniform refractive index field constructing device according to claim 4, wherein the temperature control module (110) further comprises a heat sink temperature sensor (7) disposed below the water tank (3), the heat sink temperature sensor (7) being used for monitoring the temperature of the refrigeration module (111).
6. The non-uniform refractive index field building apparatus of claim 5, further comprising:
and the light ray recording module is arranged on one side of the width direction of the water tank (3) and is used for recording a light ray track diagram.
7. The non-uniform refractive index field building apparatus according to claim 1, wherein the temperature of the cooling module (111) is set to 0 ℃ and the temperature of the heating module (112) is set to 80 ℃.
8. A mirage presentation device, comprising:
a load-bearing support (1);
a water tank (3) arranged on the bearing bracket (1);
the temperature control module (110) is arranged on the bearing bracket (1) and is used for monitoring and adjusting the water temperature change in the water tank (3) in real time;
when in use, the mirage artwork is arranged on one side of the length direction of the water tank (3), and the mirage demonstration picture is observed on the other side of the length direction of the water tank (3).
9. The mirage presentation device according to claim 8, characterised in that the temperature control module (110) comprises:
four refrigeration modules (111) arranged on the bearing bracket (1) and positioned below the water tank (3);
the heating module (112) is arranged on the bearing bracket (1) and is positioned above the water tank (3); and
the temperature controller (14) is electrically connected with the refrigerating module (111) and the heating module (112) and is used for disconnecting the power supply of the refrigerating equipment when the temperature of the refrigerating module (111) reaches a set value and disconnecting the power supply of the heating equipment when the temperature of the heating module (112) reaches a set value.
10. The mirage presentation device of claim 9, further comprising:
a submersible pump (20) arranged in the water tank (3) for causing a disturbance of the temperature distribution in the water tank (3).
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