Medicine temperature and humidity stability experiment device

By adopting the heating and refrigeration system combined with the air duct system in the drug temperature and humidity stability experimental device, the problem of uneven temperature field distribution in the box is solved, and the accuracy of drug performance detection is improved.

CN119702094APending Publication Date: 2025-03-28CHONGQING CHUANG TECH
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Patent Information

Application Number
CN202510222919.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the existing experimental device for temperature and humidity stability of drugs, constant temperature and humidity gas escapes through the tee tube, resulting in uneven temperature field distribution in the box, affecting the accuracy of drug performance detection.

Method used

A drug temperature and humidity stability experimental device was designed. After heating or refrigeration using a heating system and a refrigeration system, hot or cold air is evenly filled into the box through the air duct system of the outlet duct and return duct to ensure uniform temperature field distribution.

Benefits of technology

Through uniform temperature field distribution, the accuracy of drug performance detection is improved, ensuring that the drug is in a uniform temperature environment during the experimental testing process.

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Abstract

The invention provides a medicine temperature and humidity stability experiment device which comprises a box body, one side of the box body is provided with an opening, a box door is rotatably arranged on the box body and used for sealing the box body, a storage rack is arranged in the box body, a plurality of trays are arranged on the storage rack in the vertical direction, and the trays are arranged on the storage rack in the vertical direction. A heating system and a refrigerating system are arranged at the bottom of the box body, an air duct system is arranged in the box body and comprises an air outlet pipe and an air return pipe, the air outlet pipe and the air return pipe are fixedly arranged on the inner wall of the box body in the vertical direction, and air holes are formed in the air outlet pipe and the air return pipe. A plurality of air holes are evenly formed in the vertical direction, the air holes are matched with the trays in position, and the air outlet ends of the heating system and the refrigerating system communicate with the air outlet pipe. According to the application, the uniformity of temperature field distribution in the box body can be guaranteed, and the accuracy of medicine performance detection is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of drug detection, and in particular to a drug temperature and humidity stability experimental device. Background Art

[0002] The contents of this section merely provide background information related to the present application and may not constitute prior art.

[0003] A pharmaceutical temperature and humidity stability test device, also known as a drug test chamber or a drug stability test chamber, is a device specifically used to test the stability of drugs. These devices can simulate different environmental conditions, such as temperature, humidity and light, to evaluate the stability of drugs during storage and transportation. A pharmaceutical temperature and humidity stability test device usually complies with international standards, such as the ICH stability guidelines, which specify the conditions and procedures for drug stability testing. A pharmaceutical temperature and humidity stability test device can perform long-term stability testing, accelerated stability testing and stress testing.

[0004] A Chinese patent with authorization announcement number CN106914283A discloses a drug stability test box, including a box shell, a constant temperature and humidity machine is provided at the bottom of the inner cavity of the box shell, and a test box is provided at the upper part. The test box includes a double door and a partition, a partition is provided in the middle of the inner cavity of the test box, pulleys are provided in the middle of the upper and lower surfaces of the test box, the partition is slidably connected to the pulley through a slide rail, the partition is a hollow structure, a fluorescent lamp is provided in the middle of the inner cavity, trays are provided on the double doors, the trays are evenly arranged close to the inner edges of the double doors, the test box is divided into two by the partition, the rotatable partition can be well coordinated with the opening and closing of the double door equipped with the tray, and the stability of the drug can be tested by placing the drug on the tray.

[0005] In the actual experimental process, in order to detect the stability of drugs under different environmental conditions, it is necessary to adjust the environment inside a drug temperature and humidity stability experimental device. When adjusting the environment inside a drug temperature and humidity stability experimental device, the above-mentioned related technologies have the following defects: the three-way pipe is located at the bottom of the box, and the constant temperature and humidity gas generated by the constant temperature and humidity machine is separated from the top opening of the three-way pipe and gradually fills the entire box through the effect of escape, which leads to uneven distribution of the temperature field in the box, which interferes with the detection of drug performance to a certain extent and has a certain adverse effect on the experimental results. Summary of the invention

[0006] In order to solve the above technical problems, the purpose of this application is to provide a drug temperature and humidity stability experimental device, which can ensure the uniformity of the temperature field distribution in the box and improve the accuracy of drug performance testing.

[0007] The purpose of this application is achieved through the following technical solutions: A pharmaceutical temperature and humidity stability experimental device comprises a box body, one side of which is open, a box door is rotatably arranged on the box body, the box door is used to close the box body, a storage rack is arranged in the box body, a plurality of trays are arranged on the storage rack in a vertical direction, a heating system and a refrigeration system are arranged at the bottom of the box body, an air duct system is arranged inside the box body, the air duct system comprises an air outlet pipe and a return air duct, the air outlet pipe and the return air duct are both fixedly arranged on the inner wall of the box body in a vertical direction, air holes are provided on the air outlet pipe and the return air duct, a plurality of air holes are evenly provided in the vertical direction, the air holes are adapted to the positions of the trays, and the air outlet ends of the heating system and the refrigeration system are connected to the air outlet pipe.

[0008] In some possible embodiments, a baffle is fixedly installed in the horizontal direction inside the box, and the baffle divides the inside of the box into a test area and an installation area. The baffle is arranged in the test area, and a water tank is fixedly installed at the bottom of the installation area. A humidification assembly is arranged in the installation area, and a plurality of through holes are opened on the baffle, and the through holes connect the test area and the installation area.

[0009] In some possible embodiments, the humidification component is configured as a humidification boiler, which is fixedly disposed at the bottom of the baffle, a humidification element is disposed at one end of the humidification boiler, one end of the humidification element is disposed in a water tank, and a sterilization lamp is disposed in the water tank.

[0010] In some possible embodiments, the refrigeration system includes a compressor, an evaporator and a throttle, the compressor is fixedly arranged in the installation area, one end of the throttle is connected to the compressor, and the other end is connected to the evaporator, and the air outlet end of the compressor is connected to the air outlet pipe.

[0011] In some possible embodiments, an observation panel is provided on the box body, the observation panel is transparent, the observation panel is covered on the side opening of the box body, the observation panel and the box body are detachably connected, and a limiting member is provided on the observation panel, the limiting member is used to limit the position of the observation panel on the box body.

[0012] In some possible embodiments, a handle is fixedly provided on the outer side wall of the box door in the vertical direction, a wire hole is opened on the side wall of the box body away from the box door, and a sealing strip is fixedly provided on the side wall of the box door close to the box body along the periphery of the box door, and the sealing strip is used to abut against the box door to seal the gap between the box door and the box body.

[0013] In some possible embodiments, the tray is provided with a plurality of strip-shaped holes, a support bar is fixedly provided at the bottom of the tray, the tray and the rack are detachably connected, and a connecting piece is provided on the tray for connecting the tray and the rack.

[0014] In some possible embodiments, a mounting block is fixedly provided on the side wall of the tray, a mounting rod is fixedly provided on the rack in the vertical direction, a sliding groove is opened in the vertical direction on the mounting block, the mounting rod is slidably provided in the sliding groove, and the connecting member is used to connect the mounting block and the mounting rod.

[0015] In some possible embodiments, a limit rod is fixedly provided at one end of the mounting rod away from the storage rack in the vertical direction, a rotating block is rotatably provided at the notch of the sliding slot in the vertical direction, the connecting member is configured as a latch, a mounting hole is provided in the horizontal direction on the side of the sliding block close to the tray, a first plug hole for inserting the plug is provided on the limit rod, a plurality of the first plug holes are provided on the limit rod in the vertical direction, a first elastic member is provided on the sliding block, the first elastic member is used to drive the rotating block to rotate toward the limit rod, a second plug hole is provided on the rotating block, the second plug hole is used to insert the end of the plug, and a second elastic member is provided on the sliding block, the second elastic member is used to drive the limit member to move toward the storage rack.

[0016] In some possible embodiments, a stopper is fixedly provided on the inner wall of the sliding groove, one side of the stopper is used to abut against the side wall of the rotating block close to the tray to limit the deflection angle of the rotating block, and a driving member is fixedly provided at one end of the limiting member away from the sliding block, and the driving member is used to drive the limiting member to move in a direction away from the sliding groove. In summary, the technical solution of the embodiment of the present application has at least the following advantages and beneficial effects: 1. In actual use, when the temperature environment in the box needs to be adjusted, heating or cooling is performed through the heating system and the refrigeration system, and then the hot air or cold air enters the air outlet duct, and fills the inside of the box through the air holes opened on the air outlet duct. The original air in the box is discharged through the exhaust duct, and then a uniform temperature air environment can be formed in the box, thereby ensuring that the biological drug is in a uniform temperature field environment during the experimental test, which can effectively improve the accuracy of the performance detection of biological drugs; 2. During the testing process, the door of the box can be opened by pulling the handle, and then the situation inside the box can be observed in real time through the transparent observation panel, so that the staff can understand the status of the biological drugs in the box in real time, which can effectively improve the accuracy of drug testing and the timeliness of the results obtained; 3. In the actual testing process, the position of the mounting block on the mounting rod can be removed by releasing the limit of the position limiter, and then the tray can be removed from the shelf to take or place the medicine on the tray, which further facilitates the operation of the staff and has good practicality; 4. When the height position of the tray needs to be adjusted, pull the latch to disengage the end of the latch from the second socket and the first socket in turn, and then drive the mounting block to slide on the mounting rod. When the tray needs to be removed from the shelf, only the end of the latch needs to be disengaged from the second socket, and the mounting block is driven to move in a direction away from the shelf. The rotating block is deflected under the action of the limit rod, and the mounting block can be removed from the mounting rod, thereby completing the disassembly of the tray. The operation is simple and convenient, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front schematic diagram of the overall structure of an embodiment of the present application; Figure 2 Based Figure 1 AA section view in; Figure 3 This is a front view of the overall structure of the embodiment of the present application; Figure 4 This is a schematic diagram of the back structure of the box body of an embodiment of the present application; Figure 5 for Figure 1 BB section view in; Figure 6 for Figure 1 CC section view in; Figure 7 This is a schematic diagram of the installation structure of a tray according to an embodiment of the present application; Figure 8 A cross-sectional view of a connector according to an embodiment of the present application; Fig. 9 for Figure 8 A magnified view of part A in FIG. Fig.10 Schematic diagram of the internal structure of the sliding groove of the embodiment of the present application.

[0018] Icons: 1. Box; 101. Lead hole; 102. Sealing strip; 11. Box door; 111. Handle; 12. Shelf; 13. Tray; 14. Baffle; 15. Test area; 16. Installation area; 17. Water tank; 18. Through hole; 19. Controller instrument; 2. Heating system; 3. Refrigeration system; 31. Compressor; 32. Evaporator; 33. Throttle; 4. Air duct system; 41. Air outlet duct; 42. Return air duct; 43. Air hole; 5. , humidification component; 51, humidification part; 6, strip hole; 61, support bar; 7, connecting part; 8, mounting block; 81, mounting rod; 82, sliding groove; 83, limiting rod; 84, rotating block; 85, mounting hole; 86, first plug hole; 87, second plug hole; 88, first elastic part; 9, mounting groove; 91, rotating shaft; 92, rotating hole; 93, accommodating groove; 94, stopper; 95, driving part; 96, connecting plate; 97, second elastic part. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] The following reference Figures 1 to 10 This application is described in further detail.

[0021] Reference Figure 1 and Figure 2 A drug temperature and humidity stability experimental device is used for the detection of biological drugs. The device includes a box body 1, one side of the box body 1 is opened, a box door 11 is rotatably arranged on the box body 1, the box door 11 is used to close the box body 1, a shelf 12 is arranged inside the box body 1, and a plurality of trays 13 are arranged on the shelf 12 in the vertical direction, a heating system 2 and a refrigeration system 3 are arranged at the bottom of the box body 1, and an air duct system 4 is arranged inside the box body 1, and the air duct system 4 includes an air outlet pipe 41 and a return air pipe 42, and the air outlet pipe 41 and the return air pipe 42 are fixedly arranged on the inner wall of the box body 1 in the vertical direction, and air holes 43 are opened on the air outlet pipe 41 and the return air pipe 42, and a plurality of air holes 43 are evenly opened in the vertical direction, and the air holes 43 are adapted to the position of the tray 13, and the air outlet ends of the heating system 2 and the refrigeration system 3 are connected to the air outlet pipe 41. The outer shell material of the box body 1 is formed by cold-rolled plate, and the surface is electrostatically sprayed after pickling and phosphating. The inner body material of the box body 1 is SUS304# mirror stainless steel plate. The box door 11 adopts a double-door opening and closing method. Movable casters are set at the bottom of the box body 1, and the casters have built-in brake clamps.

[0022] As an implementation method of this application, refer to Figure 2 A baffle 14 is fixedly arranged in the horizontal direction inside the box body 1, and the baffle 14 divides the inside of the box body 1 into a test area 15 and an installation area 16. The baffle 14 is arranged in the test area 15, and a water tank 17 is fixedly arranged at the bottom of the installation area 16. A humidification component 5 is arranged in the installation area 16. A plurality of through holes 18 are opened on the baffle 14, and the through holes 18 connect the test area 15 and the installation area 16.

[0023] Reference Figure 1 and Figure 6As an embodiment of the present application, the humidification component 5 is configured as a humidification boiler, the humidification boiler is fixedly arranged at the bottom of the baffle 14, a humidification component 51 is arranged at one end of the humidification boiler, and one end of the humidification component 51 is arranged in the water tank 17. As an embodiment of the present application, a sterilization lamp (not shown in the figure) is arranged in the water tank 17. By setting the sterilization lamp, the water in the water tank 17 can be kept in a clean and sterile state during long-term use, thereby improving the accuracy of biological drug detection.

[0024] As an implementation method of this application, refer to Figure 1 and Figure 6 The refrigeration system 3 includes a compressor 31, an evaporator 32 and a throttle 33. The compressor 31 is fixedly arranged in the installation area 16. One end of the throttle 33 is connected to the compressor 31, and the other end is connected to the evaporator 32. The air outlet end of the compressor 31 is connected to the air outlet pipe 41. The compressor 31 adopts a fully enclosed Zanussi compressor, which has the advantages of low noise, low power consumption, high refrigeration efficiency, etc. The refrigerant adopts DuPont R134a, an environmentally friendly fluorine-free refrigerant.

[0025] As another embodiment of the present application, the compressor 31 can use an Embraco variable frequency compressor, which can automatically adjust the speed according to the actual temperature to achieve the effect of frequency conversion, thereby reducing energy waste and improving energy efficiency. At the same time, the variable frequency compressor is more stable during operation and can effectively reduce the noise caused by sudden changes in speed. The water tank and the box body are detachably connected. In actual use, water is added once every 20 days on average, without frequent water addition, which further facilitates the use of the staff and improves the overall performance of the device.

[0026] A temperature sensor and a humidity sensor are arranged inside the box 1. The temperature sensor is set to pt100 and adopts a capacitive thin film chip. It can maintain stability and reliability during long-term operation. The error range is: ±1.2%RH for five years; ±0.25%RH per year; repeatability is ±0.5%RH.

[0027] A controller instrument 19 is arranged on the outer wall of the box 1, which adopts a high-precision touch screen controller, plc logic control, and has a PID adjustment self-tuning function. The main executive electrical appliances also include "Delixi" AC contactor, "Xinling" relay, and "Swiss Carlo Gavazzi" solid-state relay.

[0028] As an implementation mode of the present application, the temperature and humidity sensor uses the "Vaisala" high-precision temperature and humidity sensor, which is stable and reliable, has high accuracy, and a small annual drift. The PLC uses a Siemens PLC and is equipped with a Delta touch screen, which is stable and durable and has good anti-interference ability. The overall frequency conversion technology is used to achieve constant temperature and humidity, with low power consumption, and can achieve better energy-saving and environmental protection effects. The water path of the humidification system is more optimized, which can effectively reduce water consumption.

[0029] As an implementation of the present application, an observation panel is provided on the box body 1, the observation panel is transparent, the observation panel is covered on the side opening of the box body 1, the observation panel and the box body 1 are detachably connected, and a limiter (not shown in the figure) is provided on the observation panel, and the limiter is used to limit the position of the observation panel on the box body 1. As a possible implementation of the present application, the limiter can be provided as a connecting bolt, and the transparent glass observation panel is installed on the side opening of the box body 1 through the connecting bolt.

[0030] During the detection process, the box door 11 is opened by the handle 111, and then the situation inside the box 1 can be observed in real time through the transparent observation panel, thereby ensuring that the staff can understand the status of the drugs in the box 1 in real time, which can effectively improve the accuracy of drug detection and the timeliness of the results obtained.

[0031] Reference Figures 1 to 4 A handle 111 is fixedly provided on the outer side wall of the box door 11 in the vertical direction, a lead hole 101 is opened on the side wall of the box body 1 away from the box door 11, and a sealing strip 102 is fixedly provided along the periphery of the box door 11 on the side wall of the box door 11 close to the box body 1. The sealing strip 102 is used to abut against the box door 11 to seal the gap between the box door 11 and the box body 1. The sealing strip 102 is made of environmentally friendly, pollution-free and anti-aging silicone rubber. The box door 11 has a locking device. The transparent observation panel is made of tempered glass. The diameter of the lead hole 101 is set to 50 mm to facilitate the insertion of the test lead.

[0032] As an implementation method of this application, refer to Figure 7 The tray 13 is provided with a strip hole 6, and a plurality of strip holes 6 are provided. A support bar 61 is fixedly provided at the bottom of the tray 13. The tray 13 and the rack 12 are detachably connected. A connecting piece 7 is provided on the tray 13, and the connecting piece 7 is used to connect the tray 13 and the rack 12.

[0033] Among them, refer to Figures 8 to 10 A mounting block 8 is fixedly provided on the side wall of the tray 13, a mounting rod 81 is fixedly provided on the rack 12 along the vertical direction, a sliding groove 82 is opened on the mounting block 8 along the vertical direction, the mounting rod 81 is slidably provided in the sliding groove 82, and the connecting member 7 is used to connect the mounting block 8 and the mounting rod 81.

[0034] Reference Figures 8 to 10 A limiting rod 83 is fixedly provided at one end of the mounting rod 81 away from the storage rack 12 in the vertical direction, a rotating block 84 is rotatably provided at the notch of the sliding groove 82 in the vertical direction, the connecting member 7 is configured as a latch, and a mounting hole 85 is provided in the horizontal direction on the side of the sliding block close to the tray 13, a first plug hole 86 for inserting the latch is provided on the limiting rod 83, and a plurality of first plug holes 86 are provided on the limiting rod 83 in the vertical direction, a first elastic member 88 is provided on the sliding block, and the first elastic member 88 is used to drive the rotating block 84 to rotate toward the limiting rod 83, a second plug hole 87 is provided on the rotating block 84, and the second plug hole 87 is used for inserting the end of the latch, and a second elastic member 97 is provided on the sliding block, and the second elastic member is used to drive the limiting member to move toward the storage rack 12.

[0035] During the actual inspection process, the position restriction of the mounting block 8 on the mounting rod 81 by the limit piece is released, and the mounting block 8 can be removed from the mounting rod 81. Then, the tray 13 can be removed from the shelf 12, and the medicines on the tray 13 can be taken or placed, which further facilitates the operation of the staff and has good practicality.

[0036] As an implementation method of this application, refer to Fig. 9 The first elastic member 88 is configured as a torsion spring, a mounting groove 9 is provided on the sliding block, a rotating shaft 91 is fixedly provided in the mounting groove 9 along the vertical direction, a rotating hole 92 is provided on the rotating block 84, the rotating shaft 91 is rotatably passed through the rotating hole 92, a receiving groove 93 is provided at one end of the rotating hole 92, the diameter of the receiving groove 93 is larger than the rotating hole 92, the first elastic member 88 is provided in the receiving groove 93, the first elastic member 88 is sleeved on the rotating shaft 91, one end of the first elastic member 88 is fixedly connected to the rotating block 84, and the other end is fixedly connected to the rotating shaft 91.

[0037] Reference Fig.10 A stopper 94 is fixedly provided on the inner wall of the sliding groove 82, and one side of the stopper 94 is used to abut against the side wall of the rotating block 84 close to the tray 13 to limit the deflection angle of the rotating block 84. A driving member 95 is fixedly provided at one end of the limiting member away from the sliding block, and the driving member 95 is used to drive the limiting member to move in a direction away from the sliding groove 82.

[0038] As an implementation method of this application, refer to Fig.10 The driving member 95 is set as a handle, two rotating blocks 84 are provided, and two corresponding connecting members 7 are also provided. The two connecting members 7 are fixedly connected by a connecting plate 96 at one end away from the rotating block 84, so that the effect of simultaneously driving the two connecting members 7 to move can be achieved. The driving member 95 is fixedly set at the end of the handle away from the connecting member 7, so that it is convenient for the staff to drive the two connecting members 7 to move simultaneously.

[0039] As an implementation method of this application, refer to Fig. 9 and Fig.10 The second elastic member 97 is configured as a spring. The second elastic member 97 is sleeved on the connecting member 7 . One end of the second elastic member 97 is fixedly connected to the connecting plate 96 , and the other end is fixedly connected to the side wall of the mounting block 8 .

[0040] When the height position of the tray 13 needs to be adjusted, the latch is pulled so that the end of the latch disengages from the second socket 87 and the first socket 86 in turn, and then the mounting block 8 can be driven to slide on the mounting rod 81. When the tray 13 needs to be removed from the storage rack 12, only the end of the latch needs to be disengaged from the second socket 87, and the mounting block 8 is driven to move in a direction away from the storage rack 12. The rotating block 84 is deflected under the action of the limiting rod 83, and the mounting block 8 can be removed from the mounting rod 81, thereby completing the disassembly of the tray 13. The operation is simple and convenient, and has good practicality.

[0041] The implementation principle of a drug temperature and humidity stability experimental device proposed in the embodiment of the present application is: During actual use, when the temperature environment in the box 1 needs to be adjusted, heating or cooling is performed through the heating system 2 and the refrigeration system 3, and then the hot air or cold air enters the air outlet duct 41, and fills the interior of the box 1 through the air holes 43 opened on the air outlet duct 41. The original air in the box 1 is discharged through the exhaust duct, and then an air environment with uniform temperature can be formed in the box 1, thereby ensuring that the medicine is in a uniform temperature field environment during the experimental test, which can effectively improve the accuracy of the medicine performance detection, thereby completing the disassembly of the tray, the operation is simple and convenient, and has good practicality.

[0042] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drug temperature and humidity stability test device, characterized in that: The invention comprises a box body (1), one side of the box body (1) is open, a box door (11) is rotatably arranged on the box body (1), the box door (11) is used to close the box body (1), a storage rack (12) is arranged inside the box body (1), a plurality of trays (13) are arranged on the storage rack (12) in a vertical direction, a heating system (2) and a cooling system (3) are arranged at the bottom of the box body (1), and an air duct system (4) is arranged inside the box body (1), the air duct system (4) The invention comprises an air outlet pipe (41) and an air return pipe (42), wherein the air outlet pipe (41) and the air return pipe (42) are both fixedly arranged on the inner wall of the box body (1) in the vertical direction, and air holes (43) are provided on the air outlet pipe (41) and the air return pipe (42), and a plurality of air holes (43) are evenly arranged in the vertical direction, and the air holes (43) are adapted to the position of the tray (13), and the air outlet ends of the heating system (2) and the cooling system (3) are connected to the air outlet pipe (41).

2. A drug temperature and humidity stability test device according to claim 1, characterized in that: A baffle (14) is fixedly arranged in a horizontal direction inside the box (1), the baffle (14) dividing the inside of the box (1) into a test area (15) and an installation area (16), the baffle (14) is arranged in the test area (15), a water tank (17) is fixedly arranged at the bottom of the installation area (16), a humidifying assembly (5) is arranged in the installation area (16), and a plurality of through holes (18) are opened on the baffle (14), the through holes (18) connecting the test area (15) and the installation area (16).

3. A drug temperature and humidity stability test device according to claim 2, characterized in that: The humidifying assembly (5) is configured as a humidifying boiler, the humidifying boiler is fixedly arranged at the bottom of the baffle (14), a humidifying element (51) is arranged at one end of the humidifying boiler, one end of the humidifying element (51) is arranged in a water tank (17), and a sterilizing lamp is arranged in the water tank (17).

4. A drug temperature and humidity stability test device according to claim 2, characterized in that: The refrigeration system (3) comprises a compressor (31), an evaporator (32) and a throttle (33); the compressor (31) is fixedly arranged in the installation area (16); one end of the throttle (33) is connected to the compressor (31), and the other end is connected to the evaporator (32); the air outlet end of the compressor (31) is connected to the air outlet pipe (41).

5. A drug temperature and humidity stability test device according to claim 1, characterized in that: An observation panel is provided on the box body (1), the observation panel is transparent, the observation panel covers the side opening of the box body (1), the observation panel and the box body (1) are detachably connected, and a limiting member is provided on the observation panel, the limiting member is used to limit the position of the observation panel on the box body (1).

6. A drug temperature and humidity stability test device according to claim 1, characterized in that: A handle (111) is fixedly provided on the outer wall of the box door (11) in the vertical direction, a wire hole (101) is provided on the side wall of the box body (1) away from the box door (11), and a sealing strip (102) is fixedly provided along the periphery of the box door (11) on the side wall of the box door (11) close to the box body (1), the sealing strip (102) being used to abut against the box door (11) to seal a gap between the box door (11) and the box body (1).

7. A drug temperature and humidity stability test device according to claim 1, characterized in that: The tray (13) is provided with a strip-shaped hole (6), and a plurality of the strip-shaped holes (6) are provided. A support bar (61) is fixedly provided at the bottom of the tray (13). The tray (13) and the storage rack (12) are detachably connected. A connecting piece (7) is provided on the tray (13), and the connecting piece (7) is used to connect the tray (13) and the storage rack (12).

8. A drug temperature and humidity stability test device according to claim 7, characterized in that: A mounting block (8) is fixedly arranged on the side wall of the tray (13); a mounting rod (81) is fixedly arranged on the storage rack (12) in a vertical direction; a sliding groove (82) is provided on the mounting block (8) in a vertical direction; the mounting rod (81) is slidably arranged in the sliding groove (82); and the connecting member (7) is used to connect the mounting block (8) and the mounting rod (81).

9. A drug temperature and humidity stability test device according to claim 8, characterized in that: A limit rod (83) is fixedly arranged in the vertical direction at one end of the mounting rod (81) away from the storage rack (12); a rotating block (84) is rotatably arranged in the vertical direction at the notch of the sliding groove (82); the connecting member (7) is arranged as a latch; a mounting hole (85) is provided in the horizontal direction on a side of the sliding block close to the tray (13); a first plug hole (86) for inserting the latch is provided on the limit rod (83); a plurality of first plug holes (86) are provided on the limit rod (83) in the vertical direction; a first elastic member (88) is provided on the sliding block; the first elastic member (88) is used to drive the rotating block (84) to rotate toward the limit rod (83); a second plug hole (87) is provided on the rotating block (84); the second plug hole (87) is used to insert an end of the plug; a second elastic member (97) is provided on the sliding block; the second elastic member (97) is used to drive the limit member to move in the direction of the storage rack (12).

10. A drug temperature and humidity stability test device according to claim 9, characterized in that: A stopper (94) is fixedly arranged on the inner wall of the sliding groove (82), one side of the stopper (94) being used to abut against the side wall of the rotating block (84) close to the tray (13) to limit the deflection angle of the rotating block (84), and a driving member (95) is fixedly arranged on one end of the limiting member away from the sliding block, the driving member (95) being used to drive the limiting member to move in a direction away from the sliding groove (82).

Citation Information

Patent Citations

  • Medicine stability testing box

    CN106914283A