Space microscopic sample support, space experiment device and fluid physics experiment cabinet

Abstract

The invention relates to a space microscopic sample support, a space experiment device and a fluid physics experiment cupboard, the space microscopic sample support comprises a support body and a heating sheet, one side surface of the support body is provided with the heating sheet, the other side surface of the support body is recessed to form a sample slot, and the heating sheet is arranged in the sample slot. And an observation light path penetrating through the bottom of the sample slot is arranged on the bracket body. According to the space microscopic sample support, a microscopic sample is taken out by an astronaut and placed on the sample support during observation, the sample support can maintain the liquid state of the microscopic sample during observation, and temperature uniformity is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of space fluid science experiments, and particularly relates to a space microscopic sample support, a space experiment device and a fluid physics experiment cabinet. BACKGROUND

[0002] Solid-liquid phase change is a widely existing natural phenomenon, and has wide application in renewable energy heat storage, new energy vehicle heat management, industrial waste heat utilization, aerospace engineering and the like. In aerospace engineering, solid-liquid phase change is a core technology for solving the incoordination of heat load in time, space and intensity under the space extreme high-low temperature alternating environment. However, the low power density of the existing space solid-liquid phase change restricts the development of space high-power energy utilization and heat management technology, such as deep space exploration spacecraft, long-term space mission spacecraft, space-based directed energy weapons and the like. The bottleneck problems restricting the power density of the existing technology are: low thermal conductivity of the phase change material, high thermal resistance of non-contact melting, and non-uniformity of solidification.

[0003] In view of the above problems, the present application mainly focuses on the scientific problem of "microscopic action mechanism and structure construction method of high-thermal-conductivity low-viscosity nano-composite phase change material suitable for microgravity environment", uses the "complex fluid module" in the "fluid physics experiment cabinet", studies the dispersion and aggregation behavior of the nano-composite phase change material under the space phase change thermal environment, analyzes the evolution law of the microstructure of the material and the basic thermal properties such as thermal conductivity and viscosity in the microgravity phase change process, and guides the optimization of the structure construction of the phase change material. Therefore, according to the scientific experiment needs, it is urgent to develop a nano-composite phase change material experiment unit and related sample support mechanism, observation mechanism and the like for providing the microgravity thermal environment for the melting-solidification phase change and optical test of the nano-composite phase change material. SUMMARY

[0004] The present application provides a space microscopic sample support, a space experiment device and a fluid physics experiment cabinet to solve one or several technical problems of the prior art.

[0005] The technical scheme for solving the above technical problem is as follows: a space microscopic sample support, comprising a support body and a heating sheet, one side surface of the support body is provided with a heating sheet, the other side surface of the support body is recessed to form a sample insertion slot, and the support body is provided with an observation light path penetrating through the bottom of the sample insertion slot.

[0006] The space microscopic sample support has the advantages that: the microscopic sample is taken out by an astronaut and placed on the sample support during observation, the sample support can maintain the liquid state of the microscopic sample during observation, and the uniformity of the temperature is ensured.

[0007] On the basis of the above technical scheme, the present application can be further improved as follows.

[0008] Further, the heating sheet is fixed in a concave structure on the side of the observation light path.

[0009] The beneficial effect of the above further scheme is that the heating sheet in a concave structure can uniformly and stably heat the support body.

[0010] Further, the outer circumferential edge of the support body is provided with a limiting pressing plate, the height of the limiting pressing plate is lower than the height of one side surface of the support body, and a fourth limiting elastic sheet is arranged on the inner side wall of the observation light path.

[0011] The beneficial effect of the above further scheme is that the limiting pressing plate is pressed and limited by other pressing structures.

[0012] Further, one end of the sample slot is arranged through the outer circumferential wall of the support body, and a limiting strip is arranged on the inner side wall of the slot of the sample slot.

[0013] Further, a sliding sample seat is adapted and slidingly connected in the sample slot, one side surface of the sliding sample seat is formed with a slot body with one end penetrating and the other end being closed, an observation window is arranged on the bottom wall of the slot body, the closed end of the sliding sample seat is inserted into the sample slot, and the observation window is arranged corresponding to the observation light path; when a microscopic sample is fixed in the slot body, the microscopic sample is flush with the other side surface of the support body.

[0014] The beneficial effect of the above further scheme is that the sliding sample seat is used to insert the microscopic sample into the sample slot, and the structure of the microscopic sample is not required to be adapted to the sample slot.

[0015] A space experiment device comprises a shell and the space microscopic sample support, a limiting groove and a pressing sheet are arranged on the side wall of the shell, the support body is arranged in the limiting groove, one end of the pressing sheet is connected with the side wall of the shell, and the other end of the pressing sheet presses and connects the support body in the limiting groove.

[0016] The beneficial effect of the present application is that the space experiment device can insert the space microscopic sample support into the limiting groove and press and limit the space microscopic sample support by the pressing sheet, the space is small, and the space microscopic sample support is convenient to store in the shell.

[0017] Further, a temperature regulating mechanism is arranged in the shell, a temperature sensor is arranged on the support body, and the temperature sensor and the heating sheet are electrically connected with the temperature regulating mechanism.

[0018] The beneficial effect of the further scheme is that the temperature regulating mechanism is arranged to cooperate with the temperature sensor and the heating sheet, the temperature of the space microscopic sample support is regulated, the space microscopic sample support is maintained at a constant experimental temperature, the sample on the space microscopic sample support is kept in a liquid state, and subsequent experiments are facilitated.

[0019] Further, the side wall of the shell is provided with a U-shaped strip frame, the U-shaped strip frame is combined to form a limiting groove with an upward opening, and the support body is arranged in the limiting groove in a plug-in manner from the upper end opening of the U-shaped strip frame.

[0020] A fluid physics experiment cabinet comprises the space experiment device, and further comprises an experiment cabinet body, the space experiment device is fixed in the experiment cabinet body, the back of the interior of the experiment cabinet body is provided with a microscopic sample detection device and a track support, the microscopic sample detection device is located on one side of the space experiment device, the track support is arranged on the front side of the microscopic sample detection device, the track support is provided with tracks arranged in left and right directions, and the space microscopic sample support is slidably connected to the tracks of the track support.

[0021] The fluid physics experiment cabinet has the beneficial effect that the space microscopic sample support is slidably connected to the track support of the track support, and is arranged in front of the microscopic sample detection device, so that the sample on the space microscopic sample support is detected by the microscopic sample detection device.

[0022] Further, the track support comprises a front panel, a left leg and a right leg, the left leg and the right leg are arranged on the back of the interior of the experiment cabinet body in front and back directions, the front end of the left leg is connected and fixed to the left end rear side of the front panel, the front end of the right leg is connected and fixed to the right end rear side of the front panel, and the tracks are arranged on the front side of the front panel.

[0023] The beneficial effect of the further scheme is that the left leg and the right leg are arranged on the back of the interior of the experiment cabinet body in front and back directions, the front end of the left leg is connected and fixed to the left end rear side of the front panel, the front end of the right leg is connected and fixed to the right end rear side of the front panel, and the tracks are arranged on the front side of the front panel. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The space microscopic sample support is a three-dimensional structure Figure 1 ;

[0025] Figure 2 The space microscopic sample support is a front view structure

[0026] Figure 3 The space microscopic sample support is a three-dimensional structure Figure 2 ;

[0027] Figure 4 The rear view structure diagram of the space microscopic sample support of the present application;

[0028] Figure 5 The side view structure diagram of the space microscopic sample support of the present application;

[0029] Figure 6 The three-dimensional structure diagram of the space microscopic sample support of the present application Figure 3 ;

[0030] Figure 7 The three-dimensional structure diagram of the space microscopic sample support of the present application Figure 4 ;

[0031] Figure 8 The three-dimensional structure diagram of the sliding sample seat of the present application Figure 1 ;

[0032] Figure 9 The three-dimensional structure diagram of the sliding sample seat of the present application Figure 2 ;

[0033] Figure 10 The structure diagram of the limiting groove provided on the shell of the present application;

[0034] Figure 11 The structure diagram of the assembly of the microscopic observation sample support on the shell of the present application;

[0035] Figure 12 The structure diagram of the cooperation of the space microscopic sample support and the track support of the present application.

[0036] In the drawings, the components represented by each reference numeral are listed as follows:

[0037] 100, shell; 101, limiting groove; 102, pressing piece;

[0038] 300, space microscopic sample support; 301, support body; 302, heating piece; 303, sample insertion slot; 304, observation light path; 305, limiting pressing plate; 306, limiting strip; 308, fourth limiting elastic sheet; 309, sliding sample seat; 310, observation window; 311, top edge;

[0039] 500, experimental cabinet body; 501, track support; 502, track;

[0040] 602, microscopic sample. DETAILED DESCRIPTION

[0041] The principles and features of the present application are described below in conjunction with the drawings, and the examples are only used to explain the present application and are not used to limit the scope of the present application.

[0042] AsFigures 1-9 As shown in the drawings, the space microscopic sample support 300 of the embodiment comprises a support body 301 and a heating sheet 302, one side of the support body 301 is provided with the heating sheet 302, the other side of the support body 301 is recessed to form a sample slot 303, and the support body 301 is provided with an observation light path 304 penetrating through the bottom of the sample slot 303.

[0043] As shown in the drawings, Figures 1-3 In a specific solution of the embodiment, the heating sheet 302 is fixed in a concave structure on the circumferential side of the observation light path 304. The heating sheet in the concave structure can realize uniform and stable heating of the support body.

[0044] As shown in the drawings, Figures 1-7 The outer circumferential edge of the support body 301 is provided with a limiting pressing plate 305, the height of the limiting pressing plate 305 is lower than the height of one side of the support body 301, and the inner side wall of the observation light path 304 is provided with a fourth limiting elastic sheet 308. By setting the limiting pressing plate, the limiting pressing plate can be pressed and limited by other pressing structures.

[0045] As shown in the drawings, Figures 5-7 The one end of the sample slot 303 is arranged through the outer circumferential side wall of the support body 301, and the inner side wall of the slot opening of the sample slot 303 is provided with a limiting strip 306.

[0046] As shown in the drawings, Figure 1 , Figure 3 , Figure 5 , Figures 7-9 The sample slot 303 is provided with a sliding sample seat 309, one side of the sliding sample seat 309 is formed with a groove body with one end penetrating and the other end being closed, an observation window 310 is formed on the bottom wall of the groove body, the closed end of the sliding sample seat 309 is inserted into the sample slot 303, the observation window 310 is arranged corresponding to the observation light path 304, and when the microscopic sample 602 is fixed in the groove body, the microscopic sample 602 is flush with the other side of the support body 301. By setting the sliding sample seat, the microscopic sample can be inserted into the sample slot by the sliding sample seat, and the structure of the microscopic sample suitable for the sample slot does not need to be set.

[0047] Specifically, as shown in the drawings, Figure 8 and Figure 9As shown, the closed end of the sliding sample seat 309 of the embodiment further extends to form a top edge 311, when the micro sample 602 is placed in the sliding sample seat 309, the height of the micro sample 602 is flush with the height of the top edge 311, and when the sliding sample seat 309 is placed in the sample slot 303, the height of the top edge 311 is flush with the slot opening of the sample slot 303. When in use, the sliding sample seat 309 can paste the micro sample on the groove bottom of the sliding sample seat 309.

[0048] The space micro sample support of the embodiment can maintain the liquid state of the micro sample during observation and ensure the uniformity of the temperature.

[0049] As shown in Figure 10 and Figure 11 As shown, the space experiment device of the embodiment includes a shell 100 and the above-mentioned space micro sample support 300, the side wall of the shell 100 is provided with a limiting groove 101 and a pressing sheet 102, the support body 301 is arranged in the limiting groove 101, one end of the pressing sheet 102 is connected with the side wall of the shell 100, and the other end of the pressing sheet 102 presses the support body 301 in the limiting groove 101.

[0050] As shown in Figure 11 One end of the pressing sheet 102 of the embodiment is connected with the side wall of the shell 100 through a bolt, and the pressing sheet 102 can rotate around the bolt by loosening the bolt.

[0051] The space experiment device of the embodiment can insert the space micro sample support in the limiting groove and press and limit it by the pressing sheet by arranging the shell, the limiting groove and the pressing sheet on the side wall of the shell, which occupies less space and is convenient for the storage of the space micro sample support on the shell.

[0052] In a preferred embodiment of the embodiment, the shell 100 is provided with a temperature control mechanism, the support body 301 is provided with a temperature sensor, and the temperature sensor and the heating sheet 302 are respectively electrically connected with the temperature control mechanism. By arranging the temperature control mechanism, it is convenient to cooperate with the temperature sensor and the heating sheet to control the temperature of the space micro sample support, so that it can be maintained at a constant experimental temperature, the sample on the space micro sample support can be kept in a liquid state, and subsequent experiments are facilitated.

[0053] As shown in Figure 10 In a specific embodiment of the embodiment, the side wall of the shell 100 is provided with a U-shaped strip frame, the U-shaped strip frame forms a limiting groove 101 with an opening upward, and the support body 301 is arranged in the limiting groove 101 from the upper end opening of the U-shaped strip frame downward.

[0054] The embodiment also provides a fluid physics experiment cabinet, comprising the space experiment device, further comprising an experiment cabinet body 500, the space experiment device is fixedly connected in the experiment cabinet body 500; the back of the interior of the experiment cabinet body 500 is provided with a microscopic sample detection equipment and a track support, the microscopic sample detection equipment is located on one side of the space experiment device, the track support 501 is arranged on the front side of the microscopic sample detection equipment, the track support 501 is provided with a track 502 extending left and right, and the space microscopic sample support 300 can be slidably connected to the track 502 of the track support 501.

[0055] As shown in Figure 12 The track support 501 of the embodiment comprises a front panel, a left leg and a right leg, the left leg and the right leg are arranged on the back of the interior of the experiment cabinet body 500, the front end of the left leg is fixedly connected with the left end rear side of the front panel, the front end of the right leg is fixedly connected with the right end rear side of the front panel, and the track 502 is arranged on the front side of the front panel. By arranging the legs, the stable connection between the track support and the back of the interior of the experiment cabinet body is facilitated, and the space cooperation between the track support and the microscopic sample detection equipment is facilitated.

[0056] In the fluid physics experiment cabinet, the microscopic sample is originally arranged on the space microscopic sample support 300 and is fixedly connected to the side wall of the shell of the space experiment device. When the experiment is carried out, the astronaut takes out the space microscopic sample support from the side wall of the shell, inserts the side, away from the sample slot, into the track 502 on the track support 501, and then presses the limiting pressing plate 305 on the space microscopic sample support 300 by using the pressing plate (the setting mode and structure are the same as those of the pressing plate on the shell) on the track support 501. The heating plate 302 can maintain the liquid state of the microscopic sample and ensure the uniformity of the temperature. The heating plate 302 is electrically connected with the temperature control mechanism and functions to provide the sample temperature of 42 DEG C in the microscopic observation process and prevent the sample from solidifying in the test process. The microscopic observation sample heating plate should meet the requirements of the astronaut operation. The temperature control mechanism is designed to control the opening and closing of the heating plate. When the sample temperature is lower than 42 DEG C ± 1 DEG C, the heating plate starts to work. When the sample temperature reaches 42 DEG C ± 1 DEG C, the heating plate stops working.

[0057] The support body 301 of the embodiment can be designed to be made of two layers of different materials. The position, where the support body 301 contacts with the track 502 of the track support 501, can be designed to be a non-metal bottom plate, then the position, where the support body 301 contacts with the heating plate 302, can be designed to be a metal, and the two-layer structure design ensures that the heating plate transmits heat to the microscopic sample and at the same time insulates the heat transfer between the heat preservation area and the track by using the non-metal bottom plate, thereby ensuring the environment temperature of the sample.

[0058] The micro sample of the embodiment is in a solid state, and is placed in the shell after being moved upward, and then is placed on the spatial micro sample support of the embodiment to maintain the temperature for sample observation.

[0059] The fluid physical experiment cabinet of the embodiment is slidably connected to the track support, and is placed in front of the micro sample detection equipment, so that the sample on the spatial micro sample support is detected by the micro sample detection equipment.

[0060] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0061] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0062] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0063] In the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "over", "above" and "on top of" the second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature is "under", "below" and "underneath" the second feature can mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0064] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0065] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A spatial microscopy sample holder, characterized in that: The invention comprises a support body and a heating plate. One side of the support body is provided with a heating plate. The other side of the support body is recessed to form a sample slot. The support body is provided with an observation light path which passes through the bottom of the sample slot.

2. A spatial microscopy sample holder according to claim 1, characterized in that: The heating plate is in a concave-shaped structure and is fixed on the peripheral side of the observation light path.

3. The spatial microscopy sample holder according to claim 1, characterized in that: A limiting pressure plate is provided on the outer peripheral side edge of the bracket body, and the height of the limiting pressure plate is lower than the height of one side surface of the bracket body; a fourth limiting spring is provided on the inner side wall of the observation light path.

4. The spatial microscopy sample holder according to claim 1, characterized in that: One end of the sample slot passes through the outer peripheral side wall of the bracket body, and a limiting strip is provided on the inner side wall of the notch of the sample slot.

5. The spatial microscopy sample holder according to claim 1, characterized in that: A sliding sample holder is adapted to be slidably connected in the sample slot, and a groove body with one end being through and the other end being closed is formed on one side of the sliding sample holder. An observation window is provided on the bottom wall of the groove body, and the closed end of the sliding sample holder is inserted into the sample slot, and the observation window is arranged corresponding to the observation light path; when the microscopic sample is fixed in the groove body, the microscopic sample is flush with the other side surface of the bracket body.

6. A space experiment device, characterized in that: It comprises a shell and the spatial microscopic sample holder according to any one of claims 1 to 5, wherein a limiting groove and a pressing piece are provided on the side wall of the shell, the holder body is arranged in the limiting groove, one end of the pressing piece is connected to the side wall of the shell, and the other end of the pressing piece presses the holder body into the limiting groove.

7. A space experiment device according to claim 6, characterized in that: A temperature control mechanism is provided in the shell, a temperature sensor is provided on the bracket body, and the temperature sensor and the heating plate are electrically connected to the temperature control mechanism respectively.

8. The space experiment device according to claim 6, characterized in that: A U-shaped frame is provided on the side wall of the shell, and the U-shaped frame is enclosed to form a limiting groove with an upward opening. The bracket body is arranged in the limiting groove so as to be pluggable from the upper end opening of the U-shaped frame from top to bottom.

9. A fluid physics experiment cabinet, characterized in that: It comprises a space experiment device as described in any one of claims 6 to 8, and also comprises an experimental cabinet body, wherein the space experiment device is plugged and fixed in the experimental cabinet body; a microscopic sample detection device and a track bracket are provided on the inner back side of the experimental cabinet body, the microscopic sample detection device is located on one side of the space experiment device, the track bracket is mounted on the front side of the microscopic sample detection device, the track bracket is provided with tracks extending left and right, and the space microscopic sample bracket can be slidably connected to the track of the track bracket.

10. A fluid physics experiment cabinet according to claim 9, characterized in that: The track bracket includes a front panel, a left leg and a right leg. The left leg and the right leg are arranged front and back on the inner back of the laboratory cabinet body. The front end of the left leg is connected and fixed to the left rear side of the front panel, and the front end of the right leg is connected and fixed to the right rear side of the front panel. The track is set on the front side of the front panel.

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