Drug stability test box

By introducing adjustable partitions and independently controlled heating and humidification systems into the drug stability test chamber, the problem that traditional test chambers cannot simultaneously simulate multiple environments has been solved, enabling efficient drug stability testing under multiple conditions.

CN223628654UActive Publication Date: 2025-12-05HUNAN YAOSHENGTANG TRADITIONAL CHINESE MEDICINE TECH CO
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Patent Information

Application Number
CN202423116151.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-05
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Traditional drug stability test chambers cannot simultaneously simulate multiple temperatures and humidity levels, have long testing cycles, and cannot adjust the testing space, resulting in low testing efficiency.

Method used

A drug stability test chamber was designed, which adopts a horizontally adjustable partition and an independently controlled heating and humidification system. The air circulation and humidity regulation are achieved through a circulation pump to meet the test parameter requirements of different drugs.

Benefits of technology

It enables drug stability testing under various temperature and humidity conditions, simplifies the operation process, and improves testing efficiency and applicability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223628654U_ABST
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Abstract

The utility model provides a medicine stability test box which comprises a machine box, the machine box is divided into a plurality of interlayers, partition plates are connected to the inner walls of the interlayers in a sliding mode, the partition plates are transversely adjusted through transverse adjusting assemblies, a plurality of longitudinal grooves are formed in the bottom faces of the interlayers and lead to exhaust ducts of the interlayers, and the exhaust ducts are connected with the input end of a circulating pump through a pipeline. The output end of the circulating pump is connected with an inlet of an air inlet chamber in the machine box, a humidifying mechanism is arranged in the air inlet chamber, the air inlet chamber is communicated with air inlet channels transversely formed in the vertical walls of the partition layers, heating wires are arranged in the air inlet channels, and the heating wires are independently controlled through a heating assembly. According to the experiment box, the sizes of the compartments can be freely distributed through the transversely-moving partition plates, the temperatures in the compartments can be independently set through the heating wires in the air inlet channels after distribution, the compartments are subjected to air circulation through the circulating pumps, and the humidity of the circulating air can be adjusted through the humidifying mechanism so as to meet the requirements for setting of various experiment parameters of drugs.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medicine test equipment technical field, concretely relates to a medicine stability test box. BACKGROUND

[0002] The medicine stability test box is an instrument for detecting the stability of medicines under various environments, and is the best selection scheme for pharmaceutical enterprises to test medicines, and is widely used in the accelerated test, long-term test and high-temperature test of various medicines and new health products. Its working principle is to create various stable high-temperature and high-humidity environments in the case, and then put the medicines into the environment to record the time required for failure. Since the stability test usually needs to record the performance of various medicines at different temperatures, the traditional test box can only simulate one temperature and humidity at a time, so the whole test period becomes very long, which is very time-consuming and laborious. In addition, the test space required by different medicines is different, and the traditional test box cannot adjust the test space, so a new device is needed to solve the above problems. SUMMARY

[0003] To solve the above problems, the utility model provides a medicine stability test box, which comprises a case, the case is divided into several layers, the inner wall of the layer is slidably connected with a partition plate, the partition plate is adjusted horizontally through a horizontal adjusting assembly, the bottom surface of the layer is provided with a plurality of longitudinal grooves, the longitudinal grooves are connected with the exhaust duct of the layer, the exhaust duct is connected with the input end of a circulating pump through a pipeline, the output end of the circulating pump is connected with the inlet of an air inlet chamber in the case, the air inlet chamber is provided with a humidifying mechanism, the air inlet chamber is connected with the air inlet duct horizontally arranged on the vertical wall of each layer, each air inlet duct is provided with a heating wire, and each heating wire is independently controlled through a heating assembly.

[0004] Further, the horizontal adjusting assembly comprises a horizontal adjusting screw rod, the horizontal adjusting screw rod is rotatably connected with the two side walls of the layer, one end of the horizontal adjusting screw rod penetrates out of the case and is connected with an adjusting disc, a slide rod parallel to the horizontal adjusting screw rod is connected between the two side walls of the layer, screw holes on the partition plate are threadedly connected with the horizontal adjusting screw rod, and through holes on the partition plate are slidably connected with the slide rod.

[0005] Further, the humidifying mechanism comprises a wet film, a plurality of layers of wet films are arranged in parallel behind the inlet of the air inlet chamber, the top of the wet film is connected with a water distributor, the water distributor is connected with the output end of a water pump through a hose, the water pump is installed in a water tank in the pump water chamber of the bottom layer of the case, the bottom of the wet film is inserted into a water receiving tank, and the outlet at the bottom of the water receiving tank is connected to the upper part of the water tank.

[0006] Further, the heating assembly comprises an electric control box, the electric control box is placed in a groove arranged on the vertical wall of each layer, the top hole of the groove is connected to the air inlet duct, the wire bundle of the heating wire is connected to the electric control box through the hole, a maintenance cover is arranged at the outlet of the groove, a filter screen cover is embedded in the outlet of the air inlet duct, and a grating plate is arranged on the longitudinal groove.

[0007] Further, the open part of the case partition is provided with a sliding groove, the sliding groove is slidably connected with upper and lower frames of several glass doors, the outer side of the glass door is provided with a handle, and the glass door can be pulled out from the sliding groove through the handle.

[0008] The utility model has the advantages that: the compartments of each partition in the utility model can be freely distributed by moving the partition plate horizontally through the horizontal adjusting assembly, and the temperature in the compartment can be independently set by the heating wire in the air inlet duct after distribution, the air in each compartment is circulated by the circulating pump, the circulating air increases humidity by the wet membrane in the humidifying mechanism, and the moisture of the wet membrane is adjusted by the water distributor to meet various test parameter settings of the medicine, and the utility model has the characteristics of simple operation and strong applicability. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0010] Fig. 2 It is a side view structural schematic diagram of the utility model;

[0011] Fig. 3 It is a side view structural sectional view of the utility model;

[0012] Fig. 4 It is a top view structural sectional view of the utility model.

[0013] The reference signs are explained as follows: 1, case; 101, vertical groove; 102, air outlet duct; 103, air inlet chamber; 104, air inlet duct; 105, pump water chamber; 106, groove; 2, partition plate; 3, circulating pump; 4, heating wire; 5, horizontal adjusting screw rod; 6, adjusting disc; 7, sliding rod; 8, wet membrane; 9, water distributor; 10, water pump; 11, water tank; 12, water receiving tank; 13, electric control box; 14, maintenance cover; 15, filter cover; 16, grating plate; 17, glass door; 1701, handle. DETAILED DESCRIPTION

[0014] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0015] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according of the specific circumstances.

[0016] The utility model is further described below in conjunction with the drawings of the specification:

[0017] As Figs. 1 to 4 As shown in a kind of drug stability test box, including cabinet 1, cabinet 1 is divided into several layers, the open of cabinet 1 layer is equipped with sliding slot, sliding slot sliding connection the upper and lower frame of several glass doors 17, glass door 17 outside is equipped with handle 1701, glass door 17 can be extracted from sliding slot by handle 1701. The inner wall of layer is slidably connected with baffle 2, baffle 2 is adjusted transversely by transverse adjusting assembly, and transverse adjusting assembly includes transverse adjusting screw 5, transverse adjusting screw 5 is rotatably connected with the two side walls of layer, and one end of transverse adjusting screw 5 passes out cabinet 1 and is connected with adjusting disc 6, sliding rod 7 parallel with transverse adjusting screw 5 is connected between the two side walls of layer, and the screw hole on baffle 2 is threadedly connected with transverse adjusting screw 5, and the through hole on baffle 2 is slidably connected with sliding rod 7.

[0018] In the embodiment, several longitudinal grooves 101 are opened on the bottom surface of layer, and grating plate 16 is laid on longitudinal groove 101, and longitudinal groove 101 leads to the layer air exhaust duct 102, and air exhaust duct 102 is connected with the input end of circulating pump 3 through pipeline, and the output end of circulating pump 3 is connected with the inlet of air inlet chamber 103 in cabinet 1, and humidifying mechanism is arranged in air inlet chamber 103, and humidifying mechanism includes wet film 8, and several layers of wet film 8 are arranged in parallel behind the inlet of air inlet chamber 103, and the top of wet film 8 is connected with water distributor 9, and water distributor 9 is connected with the output end of water pump 10 through hose, and water pump 10 is installed in water tank 11 in pump water chamber 105 in the bottom layer of cabinet 1, and the bottom of wet film 8 is inserted into water collecting groove 12, and the bottom outlet of water collecting groove 12 is communicated to the upper side of water tank 11. Air inlet chamber 103 is communicated with air inlet duct 104 transversely arranged on the vertical wall of each layer, and air inlet duct 104 corresponds to longitudinal groove 101 up and down, and filter screen cover 15 is embedded in the outlet of air inlet duct 104, and heating wire 4 is arranged in each air inlet duct 104, and each heating wire 4 is independently controlled by heating assembly, and heating assembly includes electric control box 13, and electric control box 13 is placed in groove 106 arranged in the vertical wall of each layer, and the top hole of groove 106 is communicated to air inlet duct 104, and the wire harness of heating wire 4 is connected with electric control box 13 through hole, and maintenance cover 14 is arranged at the outlet of groove 106.

[0019] The working principle of the utility model is as follows:

[0020] The rotation of the adjusting disc 6 controls the transverse movement of the partition 2, and the size of each compartment in each layer is distributed according to the requirement. The partition 2 is controlled between the two adjacent longitudinal grooves 101. The glass door 17 is pulled open by the handle 1701, and the medicine to be tested and the temperature and humidity sensors are placed in each compartment. The glass door 17 is closed again, and the power of each heating wire 4 is set by the electric control box 13, so that the target temperature of the heating wire 4 in the same compartment is kept consistent. The circulating pump 3 is started to circulate the air. The air in the compartment is sucked into the exhaust duct 102 through the longitudinal groove 101, and then pumped into the air inlet chamber 103 through the exhaust duct 102. The air in the air inlet chamber 103 is humidified by the wet film 8, and the humidification degree is adjusted by the water distributor 9. The humidified air enters the air inlet duct 104 to be heated, and the heated gas returns to the compartment to complete the circulation.

[0021] The compartments of each layer in the utility model can be freely distributed in size by the transversely movable partition 2, and the temperature in each compartment can be independently set by the heating wire 4 in the air inlet duct 104 after distribution. Each compartment is circulated by the circulating pump 3, and the circulating air can be adjusted in humidity by the humidifying mechanism to meet the various test parameter settings of the medicine, and the utility model has the characteristics of simple operation and strong applicability.

[0022] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A pharmaceutical stability test chamber comprising a cabinet (1), characterised in that: The cabinet (1) is divided into several layers, the inner wall of the layer is slidingly connected with a partition plate (2), the partition plate (2) is adjusted transversely through a transverse adjusting assembly, the bottom surface of the layer is provided with a plurality of longitudinal grooves (101), the longitudinal grooves (101) lead to the layer air duct (102), the air duct (102) is connected with the input end of a circulating pump (3) through a pipeline, the output end of the circulating pump (3) is connected with the inlet of an air inlet chamber (103) in the cabinet (1), the air inlet chamber (103) is provided with a humidifying mechanism, the air inlet chamber (103) is communicated with the air inlet duct (104) transversely arranged on the vertical wall of each layer, each air inlet duct (104) is provided with a heating wire (4), and each heating wire (4) is independently controlled through a heating assembly.

2. The pharmaceutical stability test chamber of claim 1, wherein: The transverse adjusting assembly comprises a transverse adjusting screw (5), the transverse adjusting screw (5) is rotatably connected with the two side walls of the layer, one end of the transverse adjusting screw (5) penetrates through the cabinet (1) and is connected with an adjusting disc (6), a slide rod (7) parallel to the transverse adjusting screw (5) is connected between the two side walls of the layer, a threaded hole in the partition plate (2) is threadedly connected with the transverse adjusting screw (5), and a through hole in the partition plate (2) is slidingly connected with the slide rod (7).

3. The pharmaceutical stability test chamber of claim 1, wherein: The humidifying mechanism comprises a wet film (8), a plurality of layers of the wet film (8) are arranged in parallel behind the inlet of the air inlet chamber (103), the top of the wet film (8) is connected with a water distributor (9), the water distributor (9) is connected with the output end of a water pump (10) through a hose, the water pump (10) is installed in a water tank (11) in a pump water chamber (105) in the bottom layer of the cabinet (1), the bottom of the wet film (8) is inserted into a water receiving groove (12), and the bottom outlet of the water receiving groove (12) is communicated to the upper portion of the water tank (11).

4. The pharmaceutical stability test chamber of claim 1, wherein: The heating assembly comprises an electric control box (13), the electric control box (13) is arranged in a groove (106) arranged in the vertical wall of each layer, the top channel of the groove (106) is communicated to the air inlet duct (104), the wire harness of the heating wire (4) is connected with the electric control box (13) through the channel, a maintenance cover (14) is arranged at the outlet of the groove (106), a filter cover (15) is embedded in the outlet of the air inlet duct (104), and a grating plate (16) is arranged on the longitudinal groove (101).

5. The pharmaceutical stability test chamber of claim 1, wherein: The open end of the layer of the cabinet (1) is provided with a sliding groove, the upper and lower frames of a plurality of glass doors (17) are slidingly connected with the sliding groove, a handle (1701) is arranged on the outer side of the glass door (17), and the glass door (17) can be pulled out of the sliding groove through the handle (1701).