Nitrogen protection sample clamp with temperature control function

Abstract

The utility model relates to the technical field of sample storage, in particular to a nitrogen protection sample clamp with a temperature control function, which comprises a base plate, a fixing frame used for containing samples is arranged on the base plate, a transparent plate is arranged on the fixing frame, and a limiting frame used for fixing the transparent plate is further arranged on the fixing frame. According to the utility model, positions are arranged among the substrate, the fixed frame and the transparent plate, so that the sealed cavity can be formed in the fixed frame, and when inert gas is filled into the sealed cavity, the sealing condition of a sample in actual use can be simulated; it is ensured that the actual use environment is consistent with the detection environment during sample detection, and then it is ensured that data is real and reliable; and the semiconductor chilling plate is arranged in the fixing piece, so that the temperature of the sample can be controlled, and the problem of difference change of the detection temperature caused by different light absorption degrees of samples with different colors is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample storage technical field especially, it relates to a nitrogen protection sample fixture with temperature control function. BACKGROUND

[0002] In the application occasion of photovoltaic equipment or other some electronic products, part spare parts is isolated air use, when testing their ultraviolet and temperature aging resistance, if not isolated air, will with actual use process have difference, oxygen in air can cause additional damage and aging to sample, so it is necessary to isolate sample, and sample is in airtight space, the energy of illumination can cause temperature rise, and the degree of illumination absorption of different color samples is also different, in order to guarantee the accuracy of data, so need to make the specific change to initial temperature and working temperature, and a nitrogen protection sample fixture with temperature control function is provided for this. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a nitrogen protection sample fixture with temperature control function, solves the technical problem that temperature and environment affect sample detection data stability during detection.

[0004] To solve the above technical problem, the utility model provides the following technical scheme: a nitrogen protection sample fixture with temperature control function, including the base plate, be equipped with the fixed frame for containing sample on the base plate, be equipped with the transparent plate on the fixed frame, still be equipped with the limiting frame for fixing the transparent plate on the fixed frame;

[0005] The cavity formed between the fixed frame, the transparent plate and the base plate is a nitrogen protection cavity;The nitrogen protection cavity of the fixed frame is further provided with a temperature control assembly for adjusting the storage temperature of the sample;The temperature control assembly comprises a fixing member arranged in the fixed frame, a plurality of storage cavities for containing samples are formed in the fixing member, a semiconductor refrigeration piece is arranged in each storage cavity, a heat transfer plate is arranged on the refrigeration end of the semiconductor refrigeration piece, and a plurality of refrigeration fins for cooperating with the semiconductor refrigeration piece are arranged on the base plate.

[0006] Preferably, an upper sealing ring groove is formed on the contact surface of the fixed frame and the transparent plate, a lower sealing ring groove is formed on the contact surface of the fixed frame and the base plate, and a silica gel sealing ring is arranged in the upper sealing ring groove and the lower sealing ring groove.

[0007] Preferably, the limiting frame, the fixed frame and the base plate are fixedly connected by lock bolts.

[0008] Preferably, a gas guide groove for facilitating mutual communication of nitrogen is formed in the fixing member, a nitrogen inlet is arranged at one end of the fixed frame, a nitrogen outlet is arranged at the other end of the fixed frame, and the nitrogen protection cavity, the nitrogen inlet and the nitrogen outlet are in communication.

[0009] Preferably, the storage cavity is further provided with a temperature measuring probe matched with the semiconductor refrigeration sheet.

[0010] Preferably, the transparent plate is made of quartz glass, the limiting frame is provided with an observation port, and the contact surface of the limiting frame and the transparent plate is provided with an anti-skid rubber strip.

[0011] By the above technical scheme, the nitrogen protection sample clamp with the temperature control function has at least the following beneficial effects:

[0012] The base plate, the fixing frame and the transparent plate are arranged at positions, a sealed cavity is realized in the fixing frame, the sealed cavity can simulate the sealing condition of the sample in actual use after inert gas is filled in the sealed cavity, the actual use environment and the detection environment are consistent when the sample is detected, and thus the data is real and reliable; and the semiconductor refrigeration sheet in the fixing member can control the temperature of the sample, and the difference change of the detection temperature caused by different absorption degrees of light of different color samples is solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application.

[0014] Figure 1 It is a whole structure schematic view of the sample clamp of the present application;

[0015] Figure 2 It is an exploded view of the sample clamp of the present application;

[0016] Figure 3 It is a sectional view of the clamp of the present application;

[0017] Figure 4 It is a structure schematic view of the fixing frame of the present application;

[0018] Figure 5 It is a structure schematic view of the fixing member of the present application.

[0019] In the drawing: 1, base plate; 2, fixing frame; 3, transparent plate; 4, limiting frame; 5, fixing member; 6, semiconductor refrigeration sheet; 7, heat transfer plate; 8, refrigeration fin. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Embodiment

[0021] Please refer to Figures 1-5 A nitrogen protection sample clamp with temperature control function, including base plate 1, be equipped with the fixed frame 2 for accommodating sample on base plate 1, be equipped with transparent plate 3 on fixed frame 2, fixed frame 2 is also equipped with the limiting frame 4 for fixing transparent plate 3 on fixed frame 2;

[0022] The cavity formed between fixed frame 2, transparent plate 3 and base plate 1 is a nitrogen protection cavity.

[0023] An upper sealing ring groove is formed on the contact surface of fixed frame 2 and transparent plate 3, and a lower sealing ring groove is formed on the contact surface of fixed frame 2 and base plate 1, and silica gel sealing rings are arranged in the upper and lower sealing ring grooves; the limiting frame 4, the fixed frame 2 and the base plate 1 are fixedly connected by locking bolts; the transparent plate 3 is made of quartz glass, an observation hole is formed on the limiting frame 4, and an anti-skid rubber strip is arranged on the contact surface of the limiting frame 4 and the transparent plate 3;

[0024] In order to reduce the additional damage and aging of the sample caused by oxygen in the air, the utility model cooperates the fixed frame 2, the transparent plate 3 and the base plate 1 to form a cavity in the fixed frame 2, injects nitrogen protection gas into the cavity, realizes the protection of the sample by inert gas, and solves the problems in the traditional sample detection.

[0025] In order to enhance the sealing relationship among the fixed frame 2, the transparent plate 3 and the base plate 1, the upper and lower sealing ring grooves are formed on the fixed frame 2, and the silica gel sealing rings in the upper and lower sealing ring grooves can effectively reduce the gas leakage after the fixed frame 2, the limiting frame 4 and the base plate 1 are fixedly connected by the locking bolts, so as to ensure the sealing property of the clamp.

[0026] In order to ensure the actual use of the clamp, the transparent plate 3 is made of quartz glass, and the quartz glass has strong ultraviolet light penetration property for UVB or UVA waveband, so that the transparent plate 3 can ensure the actual use of the clamp and avoid affecting the test effect.

[0027] The nitrogen protection cavity of the fixed frame 2 is also provided with a temperature control assembly for adjusting the sample storage temperature; the temperature control assembly comprises a fixing piece 5 arranged in the fixed frame 2, a plurality of storage cavities for accommodating samples are formed in the fixing piece 5, a semiconductor refrigerating sheet 6 is arranged in each storage cavity, a heat transfer plate 7 is arranged at the refrigerating end of the semiconductor refrigerating sheet 6, and a plurality of refrigerating fins 8 used in cooperation with the semiconductor refrigerating sheet 6 are arranged on the base plate 1.

[0028] Further, the fixing piece 5 is provided with a gas guide groove for facilitating the mutual connection of the nitrogen, one end of the fixed frame 2 is provided with a nitrogen inlet, the other end of the fixed frame 2 is provided with a nitrogen outlet, and the nitrogen protection cavity is in communication with the nitrogen inlet and the nitrogen outlet.

[0029] Further, a temperature measuring probe used in cooperation with the semiconductor refrigerating sheet 6 is arranged in the storage cavity.

[0030] After the nitrogen protection cavity is formed by the fixed frame 2, the transparent plate 3 and the base plate 1, in order to better place the samples, the fixing piece 5 is arranged in the fixed frame 2, a plurality of storage cavities for accommodating samples are formed in the fixing piece 5, the storage cavities can store the samples, and the fixing piece 5 is also provided with the gas guide groove, so that the plurality of storage cavities are in communication with each other, that is, they are tested under the protection of the inert gas;

[0031] Since the samples are in a closed space, the energy of light will cause the temperature in the closed space to rise, and different colors of samples also have different degrees of light absorption, so refrigeration is needed, therefore, the semiconductor refrigerating sheet 6 is arranged in the storage cavity, the heat transfer plate 7 is arranged at the refrigerating end of the semiconductor refrigerating sheet 6, and the samples can be placed on the heat transfer plate 7, in order to ensure the heat dissipation of the semiconductor refrigerating sheet 6, the refrigerating fins 8 are arranged on the base plate 1 to accelerate the heat dissipation of the hot end of the semiconductor refrigerating sheet 6, and in order to better adjust the temperature in each storage cavity, the temperature measuring probe is also arranged in the storage cavity, which realizes the temperature adjustment in each storage cavity and further ensures the reliability of the data.

[0032] The installation steps of the whole sample clamp are as follows: first, the fixing piece 5 is placed on the base plate 1, then the fixed frame 2 is placed on the fixing piece 5, and the fixing piece 5 can be accurately arranged in the fixed frame 2, after the above steps are completed, the samples can be placed, and one sample is placed in each storage cavity; finally, the transparent plate 3 is placed on the upper end surface of the fixed frame 2, and the position of the transparent plate 3 is pre-fixed by the limiting frame 4, and finally the fixed frame 2, the limiting frame 4 and the base plate 1 are fixedly connected, thereby forming a clamp for storing a plurality of samples, and the operator can test the samples in the clamp.

[0033] The control mode of the utility model is automatic control through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model will not explain the control mode and the circuit connection in detail.

[0034] Each of the embodiments in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A nitrogen-protected sample holder with temperature control function, characterized in that: The utility model relates to a sample storage device, including substrate (1), which is equipped with fixed frame (2) for containing sample, and the fixed frame (2) is equipped with transparent plate (3), and the fixed frame (2) is further equipped with limiting frame (4) for fixing transparent plate (3). The cavity formed between the fixed frame (2), the transparent plate (3) and the substrate (1) is a nitrogen protection cavity, and the nitrogen protection cavity of the fixed frame (2) is further equipped with a temperature control assembly for adjusting the storage temperature of the sample; the temperature control assembly comprises a fixing member (5) arranged in the fixed frame (2), a plurality of storage cavities for containing samples are formed in the fixing member (5), a semiconductor refrigerating sheet (6) is arranged in each storage cavity, a heat transfer plate (7) is arranged on the refrigerating end of the semiconductor refrigerating sheet (6), and a plurality of refrigerating fins (8) are arranged on the substrate (1) and used in cooperation with the semiconductor refrigerating sheet (6).

2. The temperature-controllable nitrogen-protected sample holder of claim 1, wherein: An upper sealing ring groove is formed in the contact surface of the fixed frame (2) and the transparent plate (3), a lower sealing ring groove is formed in the contact surface of the fixed frame (2) and the substrate (1), and a silica gel sealing ring is arranged in the upper sealing ring groove and the lower sealing ring groove.

3. The temperature-controllable nitrogen-protected sample holder of claim 1, wherein: The limiting frame (4), the fixed frame (2) and the substrate (1) are fixedly connected through locking bolts.

4. The temperature-controllable nitrogen-protected sample holder of claim 1, wherein: A gas guide groove is formed in the fixing member (5) to facilitate the mutual connection of nitrogen, one end of the fixed frame (2) is provided with a nitrogen inlet, the other end of the fixed frame (2) is provided with a nitrogen outlet, and the nitrogen protection cavity is in communication with the nitrogen inlet and the nitrogen outlet.

5. The temperature-controlled nitrogen-purged sample holder of claim 1, wherein: A temperature measuring probe is arranged in the storage cavity and used in cooperation with the semiconductor refrigerating sheet (6).

6. The temperature-controlled nitrogen-purged sample holder of claim 1, wherein: The transparent plate (3) is made of quartz glass, an observation hole is formed in the limiting frame (4), and an anti-skid rubber strip is arranged on the contact surface of the limiting frame (4) and the transparent plate (3).

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