Constant-temperature drying assembly for medicament

By introducing an airflow guidance design that combines heating rods and fans in the drying oven, the problem of uneven drying of the medicine was solved, achieving uniform heating of the medicine and improving drying efficiency.

CN224230504UActive Publication Date: 2026-05-12HUBEI JINGMEN PHARMACEUTICAL IND TECHNOLOGY RESEARCH INSTITUTE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI JINGMEN PHARMACEUTICAL IND TECHNOLOGY RESEARCH INSTITUTE CO LTD
Filing Date
2025-01-09
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In existing technologies, the drying of pharmaceuticals is uneven, which affects the drying quality and speed.

Method used

The design employs a combination of heating rods and fans, with airflow guided to both sides of the drying chamber via a diversion plate. The heated airflow then enters the interior of the drying chamber through the through-holes, ensuring that the medicine is heated evenly.

Benefits of technology

This achieved uniform drying of the pharmaceuticals, improving both drying quality and speed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a constant-temperature drying assembly for medicaments, which relates to the technical field of constant-temperature drying and comprises a box body, an exhaust port is arranged on the top surface of the box body, a drying box is arranged in the box body, through holes are arranged on two side surfaces of the drying box, a support is arranged in the drying box, and a single door is arranged on one side of the drying box. A sliding groove is formed in the side, away from the single door, of the drying box, a heat insulation plate is arranged in the sliding groove, air at the bottom can be conveyed into an air channel in the box body when the draught fan is started, airflow conveyed by the draught fan is guided to the two sides of the air channel through the drainage plate, and the airflow continues to move upwards along the air channel after being guided to the two sides by the drainage plate. And finally, the airflow is heated by the heating rods on the two sides of the drying box and then enters the drying box through the through holes in the surfaces of the two sides of the drying box, so that the medicament on the support in the drying box is heated by the heated airflow on the two sides at the same time, the medicament is heated more uniformly, and the defect that the medicament in the box body is dried unevenly is overcome.
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Description

Technical Field

[0001] This utility model relates to the field of constant temperature drying technology, and in particular to a constant temperature drying component for pharmaceuticals. Background Technology

[0002] According to Chinese Publication No. CN212409229U, an electrically heated constant-temperature drying oven relates to the technical field of drying equipment. It includes a chamber and multiple horizontally arranged shelves within the chamber, with the shelves arranged in parallel. A drying chamber is located within the chamber, and a door is rotatably connected to the outside of the drying chamber. Multiple sets of sliding grooves are arranged along the height of the drying chamber, each set including two laterally symmetrical grooves. These grooves are located within the drying chamber and are U-shaped, extending from the inside to the outside of the drying chamber. Rollers that cooperate with the grooves are mounted on the shelves. The grooves are closed at both ends. The shelves are horizontally positioned within the chamber, and a cavity for placing samples is formed between adjacent shelves. The shelves can be pulled out of the chamber, providing the advantage of facilitating the placement and retrieval of samples located inside the shelves by the testing personnel.

[0003] The aforementioned and existing technologies typically involve blowing air out through a fan, which then diffuses into the chamber through pores on the side wall. However, this structure allows the hot airflow to spread only from one side to the other, which can easily lead to uneven drying of the medicine inside the chamber, affecting the drying quality and speed, resulting in poor performance. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of uneven drying of pharmaceuticals within the chamber in existing technologies, and to propose a constant temperature drying component for pharmaceuticals.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a constant temperature drying component for pharmaceuticals, comprising a box body, an exhaust port on the top surface of the box body, a drying chamber inside the box body, through holes on both sides of the drying chamber, a support frame inside the drying chamber, a single door on one side of the drying chamber, a sliding groove on the side of the drying chamber away from the single door, a heat insulation plate inside the sliding groove, two ultraviolet sterilization lamps on the side of the heat insulation plate away from the drying chamber, heating rods on both sides of the drying chamber, a U-shaped air duct outside the drying chamber, a flow guide plate on the bottom surface of the drying chamber, a fan at the bottom of the flow guide plate, a base plate at the bottom of the fan, and a controller on one side of the single door.

[0006] Preferably, the exhaust port is located in the middle of the drying chamber and extends through the drying chamber, and the controller is located on the surface of the chamber.

[0007] Preferably, both heating rods are located inside the chamber and are connected to the controller circuit. Both ultraviolet sterilization lamps are also installed inside the chamber and are connected to the controller circuit.

[0008] Preferably, the single door is installed on the surface of the chamber via two hinges, and the single door is parallel to the controller. The slide is located inside the chamber, with one end of the slide extending out of the chamber. The slide is parallel to the drying chamber, and the heat insulation plate is installed in the slide.

[0009] Preferably, the air intake plate is integrally formed with the drying box, the air duct is located inside the box and the air duct surrounds the drying box.

[0010] Preferably, the fan is fixed inside the housing by two fixing bolts, and the vertical central axis of the fan and the diversion plate are aligned. The fan is connected to the controller circuit.

[0011] Preferably, the base plate is fixed to the bottom surface of the chamber by four fixing bolts, and a temperature sensor is fixed to the surface of the drying chamber by fixing bolts, and the temperature sensor is connected to the controller circuit.

[0012] Beneficial effects

[0013] In this invention, a controller on the surface of the chamber is used to open the heating rods on both sides of the drying chamber and the fan at the bottom of the drying chamber. When the fan starts, it delivers air from the bottom into the air duct inside the chamber. The airflow delivered by the fan is guided to both sides of the air duct by a guide plate. After being guided to both sides, the airflow continues upward along the air duct. Finally, the airflow is heated by the heating rods on both sides of the drying chamber and enters the interior of the drying chamber through the through holes on both sides of the drying chamber. This allows the medicine on the support inside the drying chamber to be heated by the airflow from both sides at the same time, thus making the medicine heat more evenly and solving the problem of uneven drying of medicine inside the chamber. Attached Figure Description

[0014] Figure 1 This is an isometric drawing of the present invention;

[0015] Figure 2 This is a perspective view of the present utility model;

[0016] Figure 3 This is a front view of the present invention;

[0017] Figure 4 For the present utility model Figure 3 Sectional view at point AA;

[0018] Figure 5 This is a bottom view of the present invention;

[0019] Figure 6 For the present utility model Figure 5 Sectional view at BB.

[0020] Legend:

[0021] 1. Cabinet body; 2. Exhaust port; 3. Single door; 4. Controller; 5. Bracket; 6. Heating rod; 7. Insulation plate; 8. Ultraviolet sterilization lamp; 9. Base plate; 10. Drainage plate; 11. Fan; 12. Air duct; 13. Drying oven; 14. Through hole; 15. Slide rail; 16. Temperature sensor. Detailed Implementation

[0022] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.

[0023] The specific embodiments of this utility model are described below with reference to the accompanying drawings. Specific Implementation Example 1:

[0025] Reference Figure 1-6A constant temperature drying assembly for pharmaceuticals includes a housing 1, an exhaust port 2 on the top surface of the housing 1, a drying chamber 13 inside the housing 1, through holes 14 on both sides of the drying chamber 13, a support 5 inside the drying chamber 13, a single door 3 on one side of the drying chamber 13, a slide groove 15 on the side of the drying chamber 13 away from the single door 3, a heat insulation plate 7 inside the slide groove 15, two ultraviolet sterilization lamps 8 on the side of the heat insulation plate 7 away from the drying chamber 13, heating rods 6 on both sides of the drying chamber 13, a U-shaped air duct 12 on the outside of the drying chamber 13, a flow guide plate 10 on the bottom surface of the drying chamber 13, a fan 11 at the bottom of the flow guide plate 10, a base plate 9 at the bottom of the fan 11, a controller 4 on one side of the single door 3, the exhaust port 2 located in the middle of the drying chamber 13 and penetrating the drying chamber 13, the controller 4 located on the surface of the housing 1, and two heating rods 6 located inside the housing 1. All rods 6 are connected to the controller 4. Two ultraviolet sterilization lamps 8 are installed inside the chamber 1 and are connected to the controller 4. A single door 3 is installed on the surface of the chamber 1 via two hinges and is parallel to the controller 4. A slide 15 is located inside the chamber 1, with one end of the slide 15 extending out of the chamber 1. The slide 15 is parallel to the drying chamber 13, and a heat insulation plate 7 is installed in the slide 15. A flow guide plate 10 is integrally formed with the drying chamber 13. An air duct 12 is located inside the chamber 1 and encloses the drying chamber 13. A fan 11 is fixed inside the chamber 1 with two fixing bolts, and the vertical center axis of the fan 11 is aligned with that of the flow guide plate 10. The fan 11 is connected to the controller 4. A bottom plate 9 is fixed to the bottom of the chamber 1 with four fixing bolts. A temperature sensor 16 is fixed to the surface of the drying chamber 13 with fixing bolts and is connected to the controller 4.

[0026] Controller 4 is located on the left side of housing 1 and installed inside housing 1. The control panel of controller 4 extends through the surface of housing 1. Housing 1 is controlled by controller 4. Drying chamber 13 is located inside housing 1 and is used to place and dry the medicine. Multiple through holes 14 are provided on the inner walls of the left and right sides of drying chamber 13, allowing heated airflow to enter the interior of drying chamber 13 through the through holes 14. Two heating rods 6 are installed close to drying chamber 13 to heat the incoming air. A U-shaped air duct 12 inside housing 1 surrounds drying chamber 13 and the two heating rods 6. Air duct 12 is used for airflow. Fan 11 is installed at the bottom of air duct 12 by two fixing bolts. The fan 11 draws fresh air from outside the chamber 1 into its interior. A base plate 9 protects the fan 11 inside the chamber 1, and multiple through holes 14 allow fresh air to enter. A guide plate 10 on the bottom of the drying chamber 13 diverts the airflow from the fan 11 to both sides of the U-shaped duct 12. Before use, the drying chamber 13 is connected to mains power, enabling the heating rod 6, temperature sensor 16, and fan 11 inside the chamber 1 to start. During use, the single door 3 of the chamber 1 is opened, and the reagent is placed on the support 5. The single door 3 is then closed to ensure a relatively sealed chamber 1. When a constant temperature is required, the temperature is set on the control panel of the controller 4, and the drying chamber is turned on. Heating rods 6 on both sides of the drying chamber 13 and a temperature sensor 16 inside the drying chamber 13. The heating rods 6 are energized and heat the inside of the drying chamber 13, raising the internal temperature. The temperature sensor 16 inside the drying chamber 13 detects the internal temperature. When the temperature exceeds the set limit, the controller 4 reduces or stops the power of the heating rods 6, lowering the internal temperature. When the temperature sensor 16 detects that the temperature of the drying chamber 13 is lower than the set temperature, the controller 4 increases the power of the heating rods 6, raising the internal temperature. This cycle repeats to achieve a constant temperature. When the medicine on the support 5 needs to be dried, the exhaust port 2 is opened, and the temperature is controlled via the control panel of the controller 4 on the surface of the chamber 1. Open the heating rods 6 on both sides of the drying chamber 13 inside the chamber 1 and the fan 11 at the bottom of the drying chamber 13. When the fan 11 starts, it will deliver fresh air from the bottom into the air duct 12 inside the chamber 1. The fresh air delivered by the fan 11 will be guided to both sides of the air duct 12 by the guide plate 10. After being guided to both sides by the guide plate 10, the air will continue to rise along the air duct 12. Finally, the air will be heated by the heating rods 6 on both sides of the drying chamber 13 in the air duct 12 and then enter the interior of the drying chamber 13 through the through holes 14 on both sides of the surface of the drying chamber 13. This allows the medicine on the support 5 inside the drying chamber 13 to be dried by the heated airflow from both sides at the same time, so that the medicine is heated more evenly. The moisture generated after the medicine is dried will be discharged from the drying chamber 13 through the exhaust port 2 on the top surface of the chamber 1.When the drying or temperature control of the medicine is complete, the electronic components inside the chamber 1 are shut down via the control panel of controller 4. The medicine is then removed from the support 5 by opening the single door 3. After removal, the single door 3 is closed again, and the heat insulation plate 7 is pulled out of the slide 15. After removal, two ultraviolet sterilization lamps 8 are turned on via the control panel of controller 4 to sterilize the interior of the drying chamber 13 with ultraviolet light, preventing cross-contamination of bacteria inside the drying chamber 13. Specific Implementation Example 2:

[0028] Reference Figure 1-6 A constant temperature drying assembly for pharmaceuticals, further based on the basic structure in Specific Embodiment 1, note that the slide 15 is located behind and fits against the drying chamber 13. The slide 15 is used to install the heat insulation plate 7. The heat insulation plate 7 is made of high wear-resistant heat-energy resin, fire-retardant molecular material, and high-temperature glass fiber high-pressure composite molding. The heat insulation plate 7 isolates the heat of the drying chamber 13, thereby protecting the two ultraviolet sterilization lamps 8 inside the chamber 1 from high temperature damage. A sealing gasket can be fitted on the top of the heat insulation plate 7 to seal the installation of the heat insulation plate 7 and prevent heat from flowing out from the slide 15 during constant temperature. The ultraviolet sterilization lamps 8 can be turned on after the pharmaceuticals are removed to sterilize the inside of the drying chamber 13 and prevent cross-contamination of bacteria.

[0029] In summary:

[0030] 1. The heating rods 6 on both sides of the drying chamber 13 inside the chamber 1 and the fan 11 at the bottom of the drying chamber 13 are turned on by the controller 4 on the surface of the chamber 1. When the fan 11 is turned on, it will deliver the air at the bottom into the air duct 12 inside the chamber 1. The airflow delivered by the fan 11 is guided to both sides of the air duct 12 by the guide plate 10. After being guided to both sides by the guide plate 10, the airflow continues to rise along the air duct 12. Finally, the airflow is heated by the heating rods 6 on both sides of the drying chamber 13 and enters the interior of the drying chamber 13 through the through holes 14 on both sides of the surface of the drying chamber 13. This allows the medicine on the support 5 inside the drying chamber 13 to be heated by the airflow on both sides at the same time, so that the medicine is heated more evenly and the shortcomings of uneven drying of medicine inside the chamber 1 are solved.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A constant temperature drying assembly for pharmaceuticals, comprising a housing (1), characterized in that: The top surface of the box (1) is provided with an exhaust port (2). The inside of the box (1) is provided with a drying box (13). Both sides of the drying box (13) are provided with through holes (14). The inside of the drying box (13) is provided with a support (5). One side of the drying box (13) is provided with a single door (3). The side of the drying box (13) away from the single door (3) is provided with a slide groove (15). The inside of the slide groove (15) is provided with a heat insulation plate (7). The side of the heat insulation plate (7) away from the drying box (13) is provided with two ultraviolet sterilization lamps (8). Both sides of the drying box (13) are provided with heating rods (6). The outside of the drying box (13) is provided with a U-shaped air duct (12). The bottom surface of the drying box (13) is provided with a diversion plate (10). The bottom of the diversion plate (10) is provided with a fan (11). The bottom of the fan (11) is provided with a base plate (9). One side of the single door (3) is provided with a controller (4).

2. The constant temperature drying assembly for pharmaceuticals according to claim 1, characterized in that: The exhaust port (2) is located in the middle of the drying box (13) and the exhaust port (2) passes through the drying box (13). The controller (4) is located on the surface of the box body (1).

3. The constant temperature drying assembly for pharmaceuticals according to claim 1, characterized in that: Both heating rods (6) are located inside the box (1), and both heating rods (6) are connected to the controller (4) via circuit. Both ultraviolet sterilization lamps (8) are installed inside the box (1), and both ultraviolet sterilization lamps (8) are connected to the controller (4) via circuit.

4. A constant temperature drying assembly for pharmaceuticals according to claim 1, characterized in that: The single door (3) is installed on the surface of the box (1) by two hinges, and the single door (3) is parallel to the controller (4). The slide (15) is set inside the box (1), and one end of the slide (15) extends out of the box (1). The slide (15) is parallel to the drying box (13), and the heat insulation plate (7) is installed in the slide (15).

5. A constant temperature drying assembly for pharmaceuticals according to claim 1, characterized in that: The diversion plate (10) is integrally formed with the drying box (13), and the air duct (12) is located inside the box body (1), and the air duct (12) covers the drying box (13).

6. A constant temperature drying assembly for pharmaceuticals according to claim 1, characterized in that: The fan (11) is fixed inside the housing (1) by two fixing bolts, and the fan (11) is aligned with the vertical center axis of the diversion plate (10). The fan (11) is connected to the controller (4) by a line.

7. A constant temperature drying assembly for pharmaceuticals according to claim 1, characterized in that: The base plate (9) is fixed to the bottom surface of the box (1) by four fixing bolts. The surface of the drying box (13) is fixed with a temperature sensor (16) by fixing bolts, and the temperature sensor (16) is connected to the controller (4) by a circuit.