Agricultural product preservation comparison test box

Abstract

The utility model discloses a kind of agricultural product fresh-keeping contrast test box, comprising: total control box, its inside is provided with the refrigerating unit controlled by controller, and refrigerating unit provides low-temperature environmental conditions for agricultural product storage fresh-keeping;Mounting connecting seat, it is fixedly installed in the top of total control box, and the top of mounting connecting seat is fixedly installed with glass top cover, and glass top cover is set as vacuum glass with temperature insulation performance;Bearing bottom plate, multiple bearing bottom plates are set in the top of mounting connecting seat, and the top is fixedly installed with multiple mounting connecting columns.The utility model utilizes low-temperature environment to inhibit the respiration of agricultural product, and utilizes carbon dioxide generated by the respiration of agricultural product, gradually improves carbon dioxide concentration, to strengthen the inhibition effect of agricultural product respiration, simultaneously utilize dry filter body to control the humidity inside glass top cover, improve the storage fresh-keeping effect of agricultural product, reduce the possibility that agricultural product dehydration causes epidermis shrinkage or nutrient loss.

Description

Technical Field

[0001] This utility model relates to the technical field of preservation comparison test chambers, and in particular to a preservation comparison test chamber for agricultural products. Background Technology

[0002] Agricultural product preservation refers to the techniques used to slow down the decline in freshness and prevent spoilage of agricultural products through physical or chemical methods, maintaining their good freshness and quality. Because harvested agricultural products exhibit characteristics such as respiration and evaporation, they undergo tissue aging, moisture loss, and even spoilage. Therefore, good storage conditions and preservation technologies are crucial. Currently, agricultural product preservation comparative test chambers on the market are mainly divided into two categories: storage preservation type and modified atmosphere preservation type, with differences in technical characteristics and application scenarios; in some high-requirement tests, they are also used in combination.

[0003] A search revealed a Chinese patent application with patent number 201921773612.9, which discloses an agricultural product storage and preservation test chamber, comprising a chamber body, a storage component, a guide component, and a locking component. The chamber body is a hollow structure with one open end, and the storage component is movably disposed within the chamber body. The guide component is connected to both the chamber body and the storage component, and the locking component is disposed on the guide component. The locking component is used to limit the guide component after the storage component is moved out of the chamber body.

[0004] Existing storage and preservation test chambers for agricultural products use air-cooling technology to accelerate airflow, which can easily lead to dehydration of fruits and vegetables, especially for moisture-sensitive products such as leafy vegetables and mushrooms, potentially causing skin shrinkage or nutrient loss. Moreover, various test agricultural products are placed directly on the shelves of the preservation test chamber without protection, and the air circulation inside the chamber may cause cross-contamination of odors from different agricultural products (such as storing garlic and fruit together), affecting the accuracy of experimental data. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a comparative test chamber for agricultural product preservation.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A comparative test chamber for agricultural product preservation includes:

[0008] The main control box contains a refrigeration unit controlled by a controller, which provides a low-temperature environment for the storage and preservation of agricultural products.

[0009] The mounting connector is fixedly installed on the top of the main control box, and a glass top cover is fixedly installed on the top of the mounting connector. The glass top cover is set as vacuum glass with heat insulation properties.

[0010] A load-bearing base plate is provided on the top of the mounting connector, and a plurality of mounting connector columns are fixedly installed on the top of the base plate. A plurality of load-bearing connector plates are fixedly connected at equal intervals to the upper part of the plurality of mounting connector columns.

[0011] A transparent placement box is placed on the upper surface of a supporting base plate and a supporting connecting plate, and a transparent protective cover is fixedly installed on the top of the transparent placement box. The top of the transparent protective cover has an installation groove, and a deodorizing agent bag is placed inside the installation groove.

[0012] As a further improvement of this utility model: the inner wall of the transparent placement box is fixedly connected with a supporting sponge pad, the bottom wall of the mounting groove is provided with multiple ventilation holes at equal intervals, and the bottom wall of the mounting groove is installed with a bearing mesh plate.

[0013] As a further improvement of this utility model: an air outlet is provided in the middle of the top of the mounting connector, and a positioning connector is fixedly connected to the middle of the top of the mounting connector.

[0014] As a further improvement of this utility model: both sides of the positioning connecting cylinder are fixedly connected to the air intake side cylinder, and a drying filter body is fixedly installed inside the air intake side cylinder.

[0015] As a further improvement of this utility model: a diversion connecting cylinder is inserted into the top of the positioning connecting cylinder, and multiple air outlet guide grooves are equally spaced on both sides of the diversion connecting cylinder.

[0016] As a further improvement of this utility model: both sides of the bottom of the diversion connecting cylinder are fixedly connected to a fixing mounting plate, and the fixing mounting plate is fixedly installed on the top of the suction side cylinder.

[0017] As a further improvement of this utility model: a protective connecting cover is fixedly installed on the top of the diversion connecting cylinder, and an installation protrusion ring is fixedly connected to the lower part of the inner wall of the diversion connecting cylinder.

[0018] As a further improvement of this utility model: a fan mounting bracket is provided at the top of the mounting protrusion ring, and multiple exhaust fans are fixedly installed at equal intervals inside the fan mounting bracket.

[0019] Compared with the prior art, this utility model provides a comparative test chamber for agricultural product preservation, which has the following beneficial effects:

[0020] This agricultural product preservation comparative test chamber uses a low-temperature environment to inhibit the respiration of agricultural products, and uses the carbon dioxide produced by the respiration of agricultural products to gradually increase the carbon dioxide concentration to enhance the inhibitory effect on the respiration of agricultural products. At the same time, it uses a drying filter to control the humidity inside the glass top cover, thereby improving the storage and preservation effect of agricultural products and reducing the possibility of dehydration of agricultural products causing skin shrinkage or nutrient loss.

[0021] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the overall assembly of this utility model (including all types of parts and the half-sectioned glass dome). Figure 1 ;

[0023] Figure 2 This is a three-dimensional structural diagram of the overall assembly of this utility model (including all types of parts and the half-sectioned glass dome). Figure 2 ;

[0024] Figure 3 This utility model Figure 1 A partial sectional view of the structure;

[0025] Figure 4 This utility model Figure 3 A magnified schematic diagram of the local structure at point A;

[0026] Figure 5 This utility model Figure 3 A magnified schematic diagram of the local structure at point B;

[0027] Figure 6 This utility model Figure 3 A magnified schematic diagram of the structure at point C.

[0028] In the diagram: 1. Movable base; 2. Main control box; 3. Mounting connector; 4. Glass top cover; 5. Positioning connector; 6. Suction side tube; 7. Diverter connector; 8. Fixed mounting plate; 9. Exhaust guide groove; 10. Protective connector cover; 11. Support connector; 12. Bearing base plate; 13. Mounting connector; 14. Bearing connector plate; 15. Transparent placement box; 16. Transparent protective cover; 17. Insulation connector frame; 18. Rotating glass door; 19. Drying filter; 20. Exhaust connection port; 21. Mounting protrusion ring; 22. Fan mounting bracket; 23. Exhaust fan; 24. Connecting column insertion hole; 25. Bearing groove; 26. Supporting sponge pad; 27. Vent hole; 28. Bearing mesh plate; 29. ​​Deodorizer bag. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] A comparative test chamber for agricultural product preservation, such as Figures 1 to 6 As shown, it includes: a main control box 2, a mounting connector 3, and a transparent placement box 15 for placing agricultural products. The bottom of the main control box 2 is equipped with a movable base 1, which facilitates the movement and adjustment of the entire device. The mounting connector 3 is sleeved on the top of the main control box 2, and multiple fixing ears are integrally formed at equal intervals on the bottom of the front and back sides of the mounting connector 3. Bolts are installed on the fixing ears, and threaded holes for installing bolts are opened at corresponding positions on the outer wall of the main control box 2.

[0031] A glass cover 4 is fixedly installed on the top of the mounting connector 3. The glass cover 4 is made of vacuum glass with excellent heat insulation performance. The agricultural products for the preservation comparison test are all placed on the top of the mounting connector 3 and completely covered by the glass cover 4. Multiple mounting slots are opened on both the front and back sides of the glass cover 4. A heat insulation connecting frame 17 is fixedly installed inside the mounting slot. A rotating glass door 18 is rotatably installed inside the heat insulation connecting frame 17. The rotating glass door 18 is made of the same material as the glass cover 4.

[0032] The main control box 2 is equipped with a refrigeration unit controlled by a controller (a mature technology, which will not be described in detail in this application). The refrigeration unit provides a low-temperature environment for the storage and preservation of agricultural products. A cold air outlet is provided at the top center of the unit. An air outlet 20 is provided at the top center of the mounting connector 3, which facilitates the direct introduction of cold air into the glass top cover 4, thereby reducing the temperature inside the glass top cover 4 and changing the temperature of the agricultural product storage environment.

[0033] A positioning connecting cylinder 5 is fixedly connected to the top center of the mounting connecting seat 3. The air outlet 20 is located inside the positioning connecting cylinder 5, and air intake side cylinders 6 are fixedly connected to both sides of the positioning connecting cylinder 5. A drying filter body 19 is fixedly installed inside the air intake side cylinder 6. The drying filter body 19 is made of molecular sieve desiccant, or it can be replaced with reusable silica gel desiccant. Molecular sieve desiccant has excellent moisture absorption performance in low temperature environment, and silica gel desiccant can be reused after heating and regeneration, reducing the test cost.

[0034] The top of the positioning connecting cylinder 5 is inserted with a diversion connecting cylinder 7. Multiple air outlet guide grooves 9 are equally spaced on both sides of the diversion connecting cylinder 7. The air outlet guide grooves 9 are used to divert cold air, so that the cold air diffuses evenly inside the glass top cover 4, and the ambient temperature of the overall test remains stable.

[0035] The bottom of both sides of the diversion connecting cylinder 7 is welded with a fixed mounting plate 8. The fixed mounting plate 8 is set at the top of the suction side cylinder 6. Multiple fixed pins are welded to the top of the suction side cylinder 6. The fixed pins pass through the fixed mounting plate 8 and extend upward. The outer wall of the extended end is threaded with a nut. The top of the diversion connecting cylinder 7 is snapped with a protective connecting cover 10.

[0036] The lower part of the inner wall of the diversion connecting cylinder 7 is integrally formed with a mounting protrusion ring 21. The top of the mounting protrusion ring 21 is provided with a fan mounting bracket 22. Multiple exhaust fans 23 are fixedly installed at equal intervals inside the fan mounting bracket 22.

[0037] The exhaust fan 23 draws in cool air from the inside of the exhaust port 20 and then diffuses it into the inside of the glass top cover 4 through the exhaust guide groove 9. The air inside the glass top cover 4 passes through the dry filter 19, and after the moisture is absorbed, it is guided by the exhaust fan 23 to the exhaust guide groove 9 to form an airflow circulation and continuously dehumidify the airflow to maintain the humidity of the internal environment.

[0038] Multiple sets of mounting threaded holes are equally spaced on both sides of the top of the mounting connector 3. Supporting connecting columns 11 are fixedly installed inside the mounting threaded holes. The supporting connecting columns 11 are arranged from bottom to top as threaded columns, supporting columns, and pin-connected threaded rods. The threaded columns are threaded inside the mounting threaded holes. A bearing base plate 12 is fixedly installed at the top of each set of supporting connecting columns 11. The pin-connected threaded rods pass through the four corners of the bearing base plate 12 and are threaded with nuts.

[0039] The upper surface of the supporting base plate 12 is provided with a supporting groove 25. The bottom wall of the supporting groove 25 is provided with a plurality of ventilation holes at equal intervals. The upper surface of the supporting base plate 12 is provided with a plurality of connecting post insertion holes 24. A mounting connecting post 13 is fixedly installed inside the connecting post insertion hole 24. A plurality of supporting connecting plates 14 are fixedly connected at equal intervals to the upper part of the plurality of mounting connecting posts 13. A plurality of ventilation holes are provided at equal intervals on the upper surface of the supporting connecting plate 14.

[0040] The transparent placement box 15 is placed on the upper surface of the supporting base plate 12 and the supporting connecting plate 14. The size of the transparent placement box 15 is determined according to the selection of the experimental agricultural products. The inner wall of the transparent placement box 15 is fixedly connected with a supporting sponge pad 26 to protect the experimental agricultural products. The transparent placement box 15 is made of acrylic sheet to reduce weight and does not affect heat conduction.

[0041] A transparent protective cover 16 is fixedly installed on the top of the transparent placement box 15. The top of the transparent protective cover 16 has an installation groove. Multiple ventilation holes 27 are equidistantly opened on the bottom wall of the installation groove. A deodorizing agent bag 29 is installed on the upper surface of the support mesh plate 28. The deodorizing agent inside the deodorizing agent bag 29 is made of nano diatomaceous earth and antibacterial agent, which is used to absorb the odor of various agricultural products and avoid cross-contamination of odors, thus affecting the test results.

[0042] Working principle:

[0043] Please refer to Figures 1 to 6 Assemble the device as shown in the figure;

[0044] Before the experiment, the main control box 2 is turned on to cool and dehumidify the inside of the glass top cover 4. Then, the product to be tested is placed inside the transparent placement box 15 and covered with a transparent protective cover 16, and a deodorizing agent bag 29 is placed inside. Then, the rotating glass door 18 is opened, and the transparent placement box 15 is placed on the upper surface of the supporting base plate 12 and the supporting connecting plate 14. The low temperature environment is used to inhibit the respiration of agricultural products, and the carbon dioxide produced by the respiration of agricultural products is used to gradually increase the carbon dioxide concentration to enhance the inhibition effect of the respiration of agricultural products. At the same time, the humidity inside the glass top cover 4 is controlled by the drying filter 19 to improve the storage and preservation effect of agricultural products and reduce the possibility of dehydration of agricultural products causing skin shrinkage or nutrient loss.

[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A produce preservation comparison test chamber, characterized by, include: The main control box (2) is equipped with a refrigeration unit controlled by a controller. The refrigeration unit provides a low-temperature environment for the storage and preservation of agricultural products. The mounting connector (3) is fixedly installed on the top of the main control box (2), and a glass top cover (4) is fixedly installed on the top of the mounting connector (3). The glass top cover (4) is set as a vacuum glass with heat insulation properties. A bearing base plate (12) is provided at the top of the mounting connection seat (3), and a plurality of mounting connection columns (13) are fixedly installed at the top of the mounting connection columns (13). A plurality of bearing connection plates (14) are fixedly connected at equal intervals to the upper part of the plurality of mounting connection columns (13). A transparent placement box (15) is placed on the upper surface of the supporting base plate (12) and the supporting connecting plate (14), and a transparent protective cover (16) is fixedly installed on the top of the transparent placement box (15). The top of the transparent protective cover (16) is provided with an installation groove, and a deodorizing agent bag (29) is provided inside the installation groove.

2. The agricultural product fresh-keeping comparative test box according to claim 1, characterized in that: The inner wall of the transparent placement box (15) is fixedly connected with a supporting sponge pad (26), and the bottom wall of the mounting groove is provided with multiple ventilation holes (27) at equal intervals, and the bottom wall of the mounting groove is equipped with a bearing mesh plate (28).

3. The agricultural product fresh-keeping comparative test box according to claim 1, characterized in that: An air outlet (20) is provided at the middle of the top of the mounting connector (3), and a positioning connector (5) is fixedly connected to the middle of the top of the mounting connector (3).

4. The agricultural product preservation comparison test chamber according to claim 3, characterized in that: Both sides of the positioning connecting cylinder (5) are fixedly connected to the air intake side cylinder (6), and the air intake side cylinder (6) is fixedly installed with a drying filter (19).

5. The agricultural product preservation comparison test chamber according to claim 3, characterized in that: The top end of the positioning connecting cylinder (5) is inserted with a diversion connecting cylinder (7), and multiple air outlet guide grooves (9) are equally spaced on both sides of the diversion connecting cylinder (7).

6. The agricultural product preservation comparison test chamber according to claim 5, characterized in that: The bottom of both sides of the diversion connecting cylinder (7) is fixedly connected to a fixing plate (8), and the fixing plate (8) is fixedly installed on the top of the suction side cylinder (6).

7. The agricultural product preservation comparison test chamber according to claim 5, characterized in that: The top of the diversion connecting cylinder (7) is fixedly installed with a protective connecting cover (10), and the lower part of the inner wall of the diversion connecting cylinder (7) is fixedly connected with an installation protrusion ring (21).

8. The agricultural product preservation comparison test chamber according to claim 7, characterized in that: The top of the mounting ring (21) is provided with a fan mounting bracket (22), and multiple exhaust fans (23) are fixedly installed at equal intervals inside the fan mounting bracket (22).

Images