Low-temperature storage test box

Abstract

The utility model discloses a low-temperature storage test box, and relates to the technical field of low-temperature test boxes. The device comprises a test device. The testing device is composed of a testing box and a box door, a material containing frame is rotationally installed in the testing box, the bottom end of the material containing frame is rotationally installed on the upper side of a rotating mechanism through a shaft, a refrigerating mechanism is installed at the rear end of the testing box, and the refrigerating mechanism is composed of a compressor, a condenser, a guide pipe, an expansion valve and an evaporator. And a circulating mechanism is arranged between the upper part of the evaporator and the bottom end in the test box above the test box. The circulating mechanism can drive air to circularly flow, the air can be cooled through the evaporator in the circular flowing process, so that the interior of the test box is rapidly cooled through cold air, and in the testing process, materials are driven to rotate through the rotating mechanism, so that the materials can be cooled in all directions; therefore, the material can be tested in all directions.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of low temperature test box, concretely relates to a low temperature storage test box. BACKGROUND

[0002] Low temperature test box is a kind of equipment for simulating and testing the performance and stability of product in extreme low temperature environment.It is widely used in multiple industries,including but not limited to electronic and electrical components,automated parts,communication components,automobile parts,metal,chemical materials,plastic,etc.

[0003] Chinese patent No.202020653615.5 opens a kind of novel high-low temperature test box, including the test box body that condenser, compressor and humidifier are connected to inner bottom end, test box body rear end is connected with equipment room, and equipment room is connected with blower and heater in, test box body front end is hinged with switch door, test box body inside is equipped with placing plate, and the fixed frame is connected to the placing plate upper end, and the fixed frame inside is connected with moisture absorbing strip, and the fixed frame end close to switch door is chiseled with multiple through holes, and the through hole is penetrated with the moisture absorbing column that is in contact with moisture absorbing strip, and the opening is chiseled on switch door, and the opening is clamped with display block, and display block is in contact with moisture absorbing column, display block is water-swelling rubber material, placing plate is heat insulation material, and nylon paste is connected between moisture absorbing strip and placing plate side end, test box body front end is also hinged with access door.

[0004] The utility model in use, test box internal air does not flow, lead to the slow speed of test box internal cooling, and in the process of experiment, detection material is fixedly placed, lead to the uneven cooling of material, influence the test effect of material.

[0005] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0006] The utility model solves the technical problem in providing a kind of low temperature storage test box to overcome the deficiency of prior art.

[0007] To solve the above technical problem, the basic idea of technical scheme of the utility model is as follows:

[0008] The utility model provides a low temperature storage test box, including test device, the test device is by test box and box door, the box door rotates the installation in test box one side position, the test box inside rotates the installation has the material holding frame, material holding frame bottom end axle rotates the installation on the upper side of rotating mechanism, rotating mechanism installs in the bottom end position of test box, the rear end position of test box is installed with refrigeration mechanism, refrigeration mechanism is by compressor, condenser, pipe, expansion valve and evaporator, evaporator installs in the upper end position of test box, compressor installs in the bottom end position of test box, expansion valve and condenser install in the rear side position of test box, compressor, condenser, expansion valve and evaporator are connected through pipe series connection between, the circulation mechanism is installed between the evaporator and the bottom end of the test box, a temperature sensor is installed on one side of the test box, and a thermostat controller is installed on one side of the upper end of the test box.

[0009] Optionally, a display is installed on the upper side of the thermostat controller, and a control button is installed on the lower side of the display.

[0010] Optionally, an air uniformizing plate is arranged on the upper end of the test box, and the air uniformizing plate is installed on the upper side of the test box and located on the upper side of the evaporator.

[0011] Optionally, the rotating mechanism comprises an electric motor, a large gear and a small gear, the large gear is installed below the bottom end shaft of the material holding frame, the small gear is engaged with the large gear, the small gear is installed on the upper side of the electric motor, and the electric motor is installed on the bottom end of the test box.

[0012] Optionally, the circulation mechanism comprises a wind pipe, a wind cover and a fan, the wind cover is installed on the upper side of the test box and located on the upper side of the evaporator, the fan is installed in the wind cover, the wind pipe is installed on one side of the wind cover, and the bottom end of the wind pipe is installed on one side of the bottom end of the test box.

[0013] Optionally, a filter box is arranged on the middle of the wind pipe, the filter box is installed on the middle of the wind pipe, and the filter box is fixedly installed on one side of the test box.

[0014] Optionally, a rotating handle is installed on the upper side of one side of the box door, and a door lock is installed below the rotating handle.

[0015] Optionally, air holes are installed on both sides of the condenser on one side of the test box, and a filter screen is installed in the air holes.

[0016] After the above technical scheme is adopted, the utility model has the following advantages compared with the prior art, of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:

[0017] 1. The circulation mechanism will drive the air to circulate. During the circulation process, the air will be cooled by the evaporator, thereby rapidly cooling the inside of the test chamber with cold air. During the test, the rotating mechanism will drive the material to rotate, thereby cooling the material from all directions and allowing the material to be tested from all angles.

[0018] 2. The air distribution plate facilitates the uniform guidance of cold air into the test chamber, thereby enabling uniform cooling of the test chamber interior.

[0019] 3. When the rotating mechanism is in use, the motor is turned on by switching on the switch. The motor will drive the small gear to rotate, which in turn drives the large gear to rotate. The large gear drives the material holding rack to rotate, which in turn drives the material to rotate, thereby enabling the material to be cooled evenly.

[0020] 4. When the circulation mechanism is in use, the fan is turned on by switching on the switch. The fan will draw air from inside the test chamber through the air duct, thereby driving the air inside the test chamber to circulate. During the circulation process, the air is cooled by the evaporator, thereby cooling the inside of the test chamber.

[0021] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0022] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0023] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present utility model;

[0025] Figure 3 This is a front view structural diagram of an embodiment of the present utility model;

[0026] Figure 4 This is a side view of an embodiment of the present invention.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1, test device; 2, box door; 3, rotating handle; 4, door lock; 5, test box; 6, constant temperature controller; 7, display; 8, control button; 9, filter screen; 10, air hole; 11, circulating mechanism; 12, material holding rack; 13, refrigeration mechanism; 14, conduit; 15, compressor; 16, evaporator; 17, expansion valve; 18, condenser; 19, rotating mechanism; 20, large gear; 21, motor; 22, small gear; 23, temperature sensor; 24, uniform wind plate; 25, wind cover; 26, air pipe; 27, filter box; 28, fan.

[0029] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] The present application will now be further described in detail with reference to the accompanying drawings.

[0031] Please refer to Figures 1-4 It is shown that in the present embodiment, a low-temperature storage test box is provided, which comprises a test device 1; the test device 1 is composed of a test box 5 and a box door 2, the box door 2 is rotatably installed on one side of the test box 5, a material holding rack 12 is rotatably installed inside the test box 5, the bottom end shaft of the material holding rack 12 is rotatably installed on the upper side of a rotating mechanism 19, the rotating mechanism 19 is installed at the bottom end inside the test box 5, a refrigeration mechanism 13 is installed at the rear end of the test box 5, the refrigeration mechanism 13 is composed of a compressor 15, a condenser 18, a conduit 14, an expansion valve 17 and an evaporator 16, the evaporator 16 is installed at the upper end of the test box 5, the compressor 15 is installed at the bottom end of the test box 5, the expansion valve 17 and the condenser 18 are installed at the rear side of the test box 5, the compressor 15, the condenser 18, the expansion valve 17 and the evaporator 16 are connected in series through the conduit 14, a circulating mechanism 11 is installed above the evaporator 16 and between the bottom end inside the test box 5, a temperature sensor 23 is installed at one side inside the test box 5, and a constant temperature controller 6 is installed at one side of the upper end of the test box 5.

[0032] The application of one aspect of the embodiment is: in use, first, the inside of the test box 5 is cooled, and in the cooling process, the compressor 15 will be started by the switch, the compressor 15 will compress the gas, the high-temperature and high-pressure air after compression will be introduced into the condenser 18, the compressed air is cooled by the condenser 18, and the air after cooling will be decompressed by the expansion valve 17, the normal pressure and low-temperature air after decompression will be introduced into the evaporator 16, and the circulating mechanism 11 will drive the air to circulate, the air will be cooled by the evaporator 16 in the circulating process, so that the inside of the test box 5 is cooled by the cold air, the temperature sensor 23 inside the test box 5 will detect the air temperature, and the detected data will be introduced into the thermostat controller 6, the thermostat controller 6 uses a DC1030CR-301000-E thermostat controller, when the temperature sensor 23 detects that the temperature is constant, the thermostat controller 6 will reduce the refrigeration efficiency of the refrigeration mechanism 13 through the PLC controller, so as to ensure that the temperature inside the test box 5 is constant, when the temperature is stable, the material is placed on the upper side of the material holding frame 12, and the door 2 is closed to test, in the testing process, the material is rotated by the rotating mechanism 19, so that the material can be cooled in all directions, and the material can be tested in all directions.

[0033] In the embodiment, the display 7 is installed on the upper side of the thermostat controller 6, and the control button 8 is installed below the display 7 on the upper side of the thermostat controller 6. The display 7 is used to display the control content of the thermostat controller 6, and the control button 8 is used to adjust the thermostat controller 6.

[0034] In the embodiment, the uniform air plate 24 is arranged at the upper end inside the test box 5, the uniform air plate 24 is installed at the upper side of the evaporator 16 inside the test box 5, and the uniform air plate 24 is arranged to facilitate the uniform introduction of cold air into the test box 5, so as to facilitate the uniform cooling of the inside of the test box 5.

[0035] In the embodiment, the rotating mechanism 19 is composed of the motor 21, the large gear 20 and the small gear 22, the large gear 20 is installed below the shaft at the bottom end of the material holding frame 12, the small gear 22 is engaged with the large gear 20, and the small gear 22 is installed on the upper side of the motor 21. The motor 21 is installed at the bottom end inside the test box 5, in use, the motor 21 is started by the switch, the motor 21 will drive the small gear 22 to rotate, the small gear 22 will drive the large gear 20 to rotate, the material holding frame 12 is rotated by the large gear 20, and the material is rotated by the material holding frame 12, so that the material can be uniformly cooled.

[0036] The circulating mechanism 11 is composed of the air pipe 26, the air cover 25 and the fan 28, the air cover 25 is installed on the upper side of the test box 5 and located on the upper side of the evaporator 16, the fan 28 is installed in the air cover 25, the air pipe 26 is installed on one side of the air cover 25, the bottom end of the air pipe 26 is installed on one side of the bottom end of the test box 5, when the circulating mechanism 11 is used, the fan 28 is started through the switch, the fan 28 will extract the air in the test box 5 through the air pipe 26, so that the air in the test box 5 is driven to circulate by the fan 28, and the air is cooled by the evaporator 16 during the circulation, so that the test box 5 is cooled.

[0037] The filter box 27 is arranged at the middle position of the air pipe 26, the filter box 27 is installed at the middle position of the air pipe 26 and fixedly installed on one side of the test box 5, and the filter box 27 is used for drying the air in the test box 5, so that the phenomenon of frost formation caused by too much water in the air in the test box 5 is avoided.

[0038] The rotating handle 3 is installed on one side of the upper side of the box door 2, the door lock 4 is installed below the rotating handle 3 on one side of the box door 2, the rotating handle 3 is convenient for workers to hold, so that the box door 2 is conveniently opened, and the door lock 4 is used for locking the box door 2.

[0039] The air hole 10 is installed on one side of the test box 5 and located on both sides of the condenser 18, the filter screen 9 is installed in the air hole 10,

[0040] The air hole 10 is convenient for the air to flow, so that the condenser 18 is conveniently cooled, and the filter screen 9 is used for filtering the air, so that dust is prevented from adhering to the upper side of the condenser 18 during use and affecting the cooling effect of the condenser 18.

[0041] The model, type and the like of the sensor and the controller in the application are known by those skilled in the art, and will not be described here

[0042] The utility model is not limited to the above-mentioned embodiment, anyone should know that the structural change made under the inspiration of the utility model, any technical scheme with the same or similar technical scheme of the utility model falls into the protection scope of the utility model. The utility model has not described the technology, shape and structure parts in detail, which are known technologies.

Claims

1. A low temperature storage test chamber characterized by, The utility model provides experimental device (1), it is characterized by: experimental device (1) is composed of test box (5) and box door (2), the box door (2) is rotatably installed in test box (5) one side position, rotatable material holder (12) is installed in test box (5) inside, the material holder (12) bottom end shaft rotatable installation is located on the upper side of rotating mechanism (19), rotating mechanism (19) is installed in test box (5) inside bottom end position, refrigeration mechanism (13) is installed in test box (5) rear end position, refrigeration mechanism (13) is composed of compressor (15), condenser (18), pipe (14), expansion valve (17) and evaporator (16), evaporator (16) is installed in test box (5) upper end position, compressor (15) is installed in test box (5) bottom end position, expansion valve (17) and condenser (18) are installed in test box (5) rear side position, compressor (15), condenser (18), expansion valve (17) and evaporator (16) are connected in series through pipe (14), the circulation mechanism (11) is installed between the evaporator (16) and the bottom end of the test box (5) above the evaporator (16) and the test box (5) above, temperature sensor (23) is installed in test box (5) inside one side position, constant temperature controller (6) is installed in test box (5) upper end one side position.

2. A low temperature storage test chamber according to claim 1, wherein, Display (7) is installed in constant temperature controller (6) upper side position, control button (8) is installed in constant temperature controller (6) upper side below display (7).

3. The low temperature storage test chamber of claim 1, wherein, Uniform air plate (24) is arranged in test box (5) inside upper end position, uniform air plate (24) is installed in test box (5) inside upper side below evaporator (16) upper side position.

4. The low temperature storage test chamber of claim 1, wherein, Rotating mechanism (19) is composed of motor (21), large gear (20) and pinion (22), large gear (20) is installed in material holder (12) bottom end shaft below position, pinion (22) and large gear (20) are engaged, pinion (22) is installed in motor (21) upper side, motor (21) is installed in test box (5) inside bottom end position.

5. The low temperature storage test chamber of claim 1, wherein, Circulation mechanism (11) is composed of air pipe (26), fan cover (25) and fan (28), fan cover (25) is installed in test box (5) upper side below evaporator (16) upper side position, fan (28) is installed in fan cover (25) inside, air pipe (26) is installed in fan cover (25) one side position, air pipe (26) bottom end is installed in test box (5) bottom end one side position.

6. A cryopreservation test chamber according to claim 5, wherein, Filter box (27) is arranged in air pipe (26) middle position, filter box (27) is installed in air pipe (26) middle position, filter box (27) is fixedly installed in test box (5) one side position.

7. The low temperature storage test chamber of claim 1, wherein, Rotary handle (3) is installed in box door (2) one side upper side position, door lock (4) is installed in box door (2) one side below rotary handle (3).

8. The low temperature storage test chamber of claim 1, wherein, The test chamber (5) is provided with air holes (10) on one side of the condenser (18), and the air holes (10) are provided with filter screens (9) inside.

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