A freeze-drying chamber for real-time monitoring of water evaporation

Abstract

The utility model relates to the technical field of freeze drying, specifically to a freeze drying bin for real-time monitoring of water evaporation, comprising a freeze drying machine body, a vacuum suction machine fixedly connected to the rear side of the freeze drying machine body, a heating mechanism arranged inside the freeze drying machine body, the heating mechanism comprising a first storage plate, a second storage plate, a third storage plate, a fourth storage plate, a heating box, and a circulation pump, the inner sides of the second storage plate, the third storage plate, and the fourth storage plate are all fixedly connected with support pads, a weighing sensor is fixedly installed on the upper surface of the support pad, and a data processor is fixedly connected to the side of the freeze drying machine body; the weighing sensor weighs the evaporation weight of the water of the material on the partition in real time, processes and analyzes the weight through the data processor, monitors the water evaporation in real time, and at the same time, processes and analyzes the collected temperature and humidity data, so as to obtain a more accurate water evaporation rate, and more accurately control the temperature and humidity in the bin body to achieve the best freeze drying effect.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze drying, in particular to a freeze drying chamber for real-time monitoring of water evaporation. Background Art

[0002] Vacuum freeze-drying technology is becoming more and more popular due to its unparalleled advantages over other drying methods. In addition to being widely used in the fields of medicine, biological products, food, blood products, and active substances, its application scale and field are still expanding.

[0003] At present, in the process of product production, timed detection or manual detection methods are usually used to monitor the evaporation of water in the freeze-drying chamber. This is inconvenient to operate, has poor real-time performance, and low accuracy. It is also impossible to monitor water evaporation in real time, and it is impossible to promptly discover and solve the problem of water evaporation being too fast or too slow, which affects the freeze-drying effect and quality of the product.

[0004] Therefore, it is necessary to invent a freeze-drying chamber that monitors water evaporation in real time to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a freeze-drying chamber for real-time monitoring of water evaporation, so as to solve the problems that the timed detection or manual detection methods in the technology are inconvenient to operate, poor in real-time performance, low in precision, and cannot realize real-time monitoring of water evaporation, and cannot timely discover and solve the problem of water evaporation being too fast or too slow, thus affecting the freeze-drying effect and quality of the product.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a real-time monitoring of water evaporation freeze-drying chamber, comprising a freeze dryer body, a vacuum suction machine is fixedly connected to the rear side of the freeze dryer body, a heating mechanism is arranged inside the freeze dryer body, the heating mechanism comprises a first storage plate, a second storage plate, a third storage plate, a fourth storage plate, a heating box, and a circulating pump, the inner sides of the second storage plate, the third storage plate, and the fourth storage plate are all fixedly connected with support pads, a weighing sensor is fixedly installed on the upper surface of the support pad, the upper surfaces of the second storage plate, the third storage plate, and the fourth storage plate are all clamped with partitions, the lower surfaces of the partitions are in contact with the weighing sensor, and the side of the freeze dryer body is fixedly connected with a data processor.

[0007] By adopting the above technical solution, the heating mechanism adjusts the temperature inside the freeze-drying chamber. At the same time, during the freeze-drying process, the material is laid on the surface of the partition. At this time, the weighing sensor weighs the material on the surface of the partition and transmits the data to the data processor for analysis. When the water inside the material evaporates, the weight of the material will also decrease, and the amount of water evaporation can be effectively calculated. By real-time monitoring of the water evaporation, the problem of abnormal water evaporation can be discovered and solved in time, thereby improving the freeze-drying effect and quality stability of the product. At the same time, by processing and analyzing the collected temperature and humidity data, a more accurate water evaporation rate can be obtained, thereby more accurately controlling the temperature and humidity in the chamber to achieve the best freeze-drying effect.

[0008] Optionally, telescopic rods are fixedly connected at the four corners of the second storage plate, the third storage plate and the fourth storage plate, the upper ends of the telescopic rods are fixedly connected to the lower surface of the partition, the side of the weighing sensor is fixedly connected to a data transmission line, the right end of the data transmission line passes through the side wall of the freeze dryer body and is fixedly connected to the data processor, and the front surface of the data processor is fixedly connected to a display panel.

[0009] By adopting the above technical solution, the data transmission line is used to transmit the weighing data, the weighing sensor weighs the evaporation weight of the material water on the partition in real time, and transmits the data to the data processor for processing and analysis, so as to monitor the water evaporation situation in real time.

[0010] Optionally, the heating box is fixed at the bottom of the freeze dryer body, the circulating pump is fixedly installed on the right side of the heating box, a plurality of groups of oil inlet pipes are fixedly connected to the rear side of the circulating pump, and the ends of the plurality of groups of oil inlet pipes away from the circulating pump are respectively fixedly connected to the right ends of four groups of storage plates, and a plurality of groups of oil drain pipes are fixedly connected to the left side of the heating box, and the ends of the plurality of groups of oil drain pipes away from the heating box are respectively fixedly connected to the left ends of four groups of partitions.

[0011] By adopting the above technical solution, the heating box heats the silicone oil, thereby adjusting the temperature inside the freeze-drying chamber. At the same time, the circulating pump transports the silicone oil to the interior of multiple groups of storage plates, and circulates the silicone oil in the storage plates and the heating box, thereby improving the temperature control accuracy.

[0012] Optionally, two groups of support frames are fixedly connected between the front and rear inner walls of the freeze dryer body, two groups of positioning rods are fixedly connected to the upper surfaces of the two groups of support frames, and a hydraulic cylinder is fixedly installed on the inner top wall of the freeze dryer body, and the piston rod in the hydraulic cylinder is fixedly connected to the upper surface of the first storage plate.

[0013] By adopting the above technical solution, the hydraulic cylinder is used to adjust the distance between the four groups of storage plates.

[0014] Optionally, two groups of first limit blocks are fixedly connected to the left and right surfaces of the first storage plate, two groups of second limit blocks are fixedly connected to the left and right surfaces of the second storage plate, two groups of third limit blocks are fixedly connected to the left and right surfaces of the third storage plate, and two groups of fourth limit blocks are fixedly connected to the left and right surfaces of the fourth storage plate.

[0015] Optionally, the first limiting block, the second limiting block, the third limiting block and the fourth limiting block are all slidably connected to the positioning rod.

[0016] By adopting the above technical solution, the first storage plate, the second storage plate, the third storage plate and the fourth storage plate slide up and down between the four groups of positioning rods through the first limit block, the second limit block, the third limit block and the fourth limit block.

[0017] Optionally, a first limit rod is arranged between the first limit block and the second limit block, a first sliding groove is opened on the surface of the first limit rod, a first positioning block is fixedly connected to the side of the first limit block, two groups of second positioning blocks are fixedly connected to the side of the second limit block, and the first positioning block and the front second positioning block both pass through the first sliding groove and are slidably connected to the first limit rod.

[0018] By adopting the above technical solution, the first limiting rod limits the position between the first storage plate and the second storage plate.

[0019] Optionally, a second limit rod is arranged between the second limit block and the third limit block, a second slide groove is opened on the surface of the second limit rod, a third positioning block is fixedly connected to the side of the third limit block, and the third positioning block and the rear second positioning block both pass through the second slide groove and are slidably connected to the second limit rod.

[0020] By adopting the above technical solution, the second limiting rod limits the distance between the second storage plate and the third storage plate.

[0021] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0022] The utility model arranges a weighing sensor and a partition inside the support plate. The weighing sensor weighs the evaporated weight of the water of the material on the partition in real time, and transmits the data to a data processor for processing and analysis, so as to monitor the water evaporation in real time. At the same time, by processing and analyzing the collected temperature and humidity data, a more accurate water evaporation rate can be obtained, so as to more accurately control the temperature and humidity in the bin to achieve the best freeze-drying effect, thereby solving the problems of timed detection or manual detection, which are inconvenient to operate, poor in real time, and low in precision, and cannot realize real-time monitoring of water evaporation, and cannot timely discover and solve the problem of too fast or too slow water evaporation, thus affecting the freeze-drying effect and quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the partition structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the support plate structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the positioning rod structure of the utility model.

[0028] Description of reference numerals:

[0029] 1. Freeze dryer body; 11. Vacuum suction machine; 12. Hydraulic cylinder; 2. Support frame; 21. Positioning rod; 3. First storage plate; 31. First limit block; 32. First positioning block; 33. First limit rod; 4. Second storage plate; 41. Second limit block; 42. Second positioning block; 43. Second limit rod; 5. Third storage plate; 51. Third limit block; 52. Third positioning block; 6. Fourth storage plate; 61. Fourth limit block; 7. Partition; 71. Support pad; 72. Weighing sensor; 73. Telescopic rod; 74. Data transmission line; 75. Data processor; 76. Display panel; 8. Heating box; 81. Circulation pump; 82. Oil inlet pipeline; 83. Oil discharge pipeline. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] The utility model provides Figures 1 to 4A freeze drying chamber for real-time monitoring of water evaporation is shown, comprising a freeze dryer body 1, a vacuum suction machine 11 is fixedly connected to the rear side of the freeze dryer body 1, a heating mechanism is arranged inside the freeze dryer body 1, the heating mechanism comprises a first placement plate 3, a second placement plate 4, a third placement plate 5, a fourth placement plate 6, a heating box 8, and a circulating pump 81, the inner sides of the second placement plate 4, the third placement plate 5, and the fourth placement plate 6 are all fixedly connected with a support pad 71, a weighing sensor 72 is fixedly installed on the upper surface of the support pad 71, the upper surfaces of the second placement plate 4, the third placement plate 5, and the fourth placement plate 6 are all clamped with a partition 7, the lower surface of the partition 7 is in contact with the weighing sensor 72, the second placement plate 4, the third placement plate 5, and the fourth placement plate 6 are all fixedly connected with telescopic rods 73 at the four corners inside, and the telescopic rods 73 are fixedly connected to the inner sides of the second placement plate 4, the third placement plate 5, and the fourth placement plate The upper end is fixedly connected to the lower surface of the partition 7, the side of the weighing sensor 72 is fixedly connected to a data transmission line 74, the side of the freeze dryer body 1 is fixedly connected to a data processor 75, the right end of the data transmission line 74 passes through the side wall of the freeze dryer body 1 and is fixedly connected to the data processor 75, the front surface of the data processor 75 is fixedly connected to a display panel 76, the heating box 8 is fixed to the bottom of the freeze dryer body 1, the circulating pump 81 is fixedly installed on the right side of the heating box 8, the rear side of the circulating pump 81 is fixedly connected to multiple groups of oil inlet pipes 82, and the ends of the multiple groups of oil inlet pipes 82 away from the circulating pump 81 are fixedly connected to the right ends of the four groups of storage plates, and the left side of the heating box 8 is fixedly connected to multiple groups of oil discharge pipes 83, and the ends of the multiple groups of oil discharge pipes 83 away from the heating box 8 are fixedly connected to the left ends of the four groups of storage plates.

[0032] Among them, the door on the front side of the freeze dryer body 1 is opened, and the materials are transported to the surface of the multiple groups of partitions 7 inside the freeze drying chamber. Then the vacuum suction machine 11 sucks the interior of the freeze drying chamber into a vacuum state, and the silicone oil is transported to the interior of the multiple groups of storage plates through the oil inlet pipe 82 by the circulating pump 81. At this time, the residual silicone oil inside the storage plate returns the silicone oil to the interior of the heating box 8 through the oil discharge pipe 83, thereby driving the silicone oil to circulate inside the storage plate and the heating box 8, and adjusting the temperature inside the freeze drying chamber.

[0033] In addition, during the freeze-drying process of the material, the weighing sensor 72 weighs the evaporated weight of the material water on the partition 7 in real time, and transmits the data to the data processor 75 through the data transmission line 74 for processing and analysis, thereby monitoring the water evaporation in real time, and being able to promptly discover and solve the problem of abnormal water evaporation, thereby improving the freeze-drying effect and quality stability of the product. At the same time, the collected temperature and humidity data are processed and analyzed to obtain a more accurate water evaporation rate, thereby more accurately controlling the temperature and humidity in the bin to achieve the best freeze-drying effect.

[0034] See also Figure 2 and Figure 5Two groups of support frames 2 are fixedly connected between the inner walls on the front and rear sides of the freeze dryer body 1, and two groups of positioning rods 21 are fixedly connected to the upper surfaces of the two groups of support frames 2. A hydraulic cylinder 12 is fixedly installed on the inner top wall of the freeze dryer body 1. The piston rod in the hydraulic cylinder 12 is fixedly connected to the upper surface of the first placement plate 3. The left and right surfaces of the first placement plate 3 are fixedly connected with two groups of first limit blocks 31, the left and right surfaces of the second placement plate 4 are fixedly connected with two groups of second limit blocks 41, the left and right surfaces of the third placement plate 5 are fixedly connected with two groups of third limit blocks 51, and the left and right surfaces of the fourth placement plate 6 are fixedly connected with two groups of fourth limit blocks 61. The first limit block 31, the second limit block 41, the third limit block 51 and the fourth limit block 61 are all fixedly connected to the The positioning rod 21 is slidably connected, a first limiting rod 33 is arranged between the first limiting block 31 and the second limiting block 41, a first sliding groove is provided on the surface of the first limiting rod 33, a first positioning block 32 is fixedly connected to the side of the first limiting block 31, two groups of second positioning blocks 42 are fixedly connected to the side of the second limiting block 41, the first positioning block 32 and the front second positioning block 42 both penetrate the first sliding groove and are slidably connected to the first limiting rod 33, a second limiting rod 43 is arranged between the second limiting block 41 and the third limiting block 51, a second sliding groove is provided on the surface of the second limiting rod 43, a third positioning block 52 is fixedly connected to the side of the third limiting block 51, the third positioning block 52 and the rear second positioning block 42 both penetrate the second sliding groove and are slidably connected to the second limiting rod 43.

[0035] Specifically, during the freeze-drying process, the hydraulic cylinder 12 pushes the first placing plate 3 downward. At this time, under the action of gravity, the second placing plate 4 and the third placing plate 5 slide downward. When the lower surface of the third placing plate 5 contacts the material on the upper side of the fourth placing plate 6, the third placing plate 5 stops sliding, and the first placing plate 3 continues to drive the second placing plate 4 to slide downward. At this time, the second limiting rod 43 slides downward on the surface of the third positioning block 52. When the lower surface of the second placing plate 4 contacts the material on the upper side of the third placing plate 5, the second placing plate 4 stops sliding downward, and the first placing plate 3 continues to slide downward. At this time, the first limiting rod 33 slides downward on the surface of the front second positioning block 42 until the lower surface of the first placing plate 3 contacts the material on the upper side of the second placing plate 4, and the distance between the placing plates is adjusted. The upper and lower groups of placing plates press the material inside to improve the material preparation efficiency.

[0036] The working principle of the utility model is as follows: the circulating pump 81 is used to drive the silicone oil to circulate between the storage plate and the heating box 8 to perform freeze-drying on the material. During the process, the weighing sensor 72 weighs the evaporation weight of the material water on the partition 7 in real time, and processes and analyzes it through the data processor 75, so as to monitor the water evaporation situation in real time. At the same time, the collected temperature and humidity data are processed and analyzed to obtain a more accurate water evaporation rate, so as to more accurately control the temperature and humidity in the bin to achieve the best freeze-drying effect.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A freeze-drying chamber for real-time monitoring of water evaporation, comprising a freeze-drying machine body (1), characterized in that: A vacuum suction machine (11) is fixedly connected to the rear side of the freeze dryer body (1); a heating mechanism is arranged inside the freeze dryer body (1), the heating mechanism comprising a first storage plate (3), a second storage plate (4), a third storage plate (5), a fourth storage plate (6), a heating box (8), and a circulating pump (81); the inner sides of the second storage plate (4), the third storage plate (5), and the fourth storage plate (6) are all fixedly connected to support pads (71); a weighing sensor (72) is fixedly mounted on the upper surface of the support pads (71); a partition (7) is clamped on the upper surfaces of the second storage plate (4), the third storage plate (5), and the fourth storage plate (6); the lower surface of the partition (7) is in contact with the weighing sensor (72); and a data processor (75) is fixedly connected to the side of the freeze dryer body (1).

2. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 1, characterized in that: Telescopic rods (73) are fixedly connected at the four corners of the second storage plate (4), the third storage plate (5) and the fourth storage plate (6); the upper ends of the telescopic rods (73) are fixedly connected to the lower surface of the partition plate (7); the side of the weighing sensor (72) is fixedly connected to a data transmission line (74); the right end of the data transmission line (74) passes through the side wall of the freeze dryer body (1) and is fixedly connected to a data processor (75); and the front surface of the data processor (75) is fixedly connected to a display panel (76).

3. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 1, characterized in that: The heating box (8) is fixed to the bottom of the freeze dryer body (1); the circulating pump (81) is fixedly installed on the right side of the heating box (8); a plurality of groups of oil inlet pipes (82) are fixedly connected to the rear side of the circulating pump (81); the ends of the plurality of groups of oil inlet pipes (82) away from the circulating pump (81) are respectively fixedly connected to the right ends of the four groups of storage plates; a plurality of groups of oil discharge pipes (83) are fixedly connected to the left side of the heating box (8); the ends of the plurality of groups of oil discharge pipes (83) away from the heating box (8) are respectively fixedly connected to the left ends of the four groups of partitions.

4. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 1, characterized in that: Two groups of support frames (2) are fixedly connected between the front and rear inner walls of the freeze dryer body (1); two groups of positioning rods (21) are fixedly connected to the upper surfaces of the two groups of support frames (2); a hydraulic cylinder (12) is fixedly mounted on the inner top wall of the freeze dryer body (1); a piston rod in the hydraulic cylinder (12) is fixedly connected to the upper surface of the first storage plate (3).

5. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 4, characterized in that: The left and right side surfaces of the first storage plate (3) are both fixedly connected with two sets of first limit blocks (31), the left and right side surfaces of the second storage plate (4) are both fixedly connected with two sets of second limit blocks (41), the left and right side surfaces of the third storage plate (5) are both fixedly connected with two sets of third limit blocks (51), and the left and right side surfaces of the fourth storage plate (6) are both fixedly connected with two sets of fourth limit blocks (61).

6. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 5, characterized in that: The first limiting block (31), the second limiting block (41), the third limiting block (51) and the fourth limiting block (61) are all slidably connected to the positioning rod (21).

7. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 6, characterized in that: A first limiting rod (33) is arranged between the first limiting block (31) and the second limiting block (41); a first sliding groove is provided on the surface of the first limiting rod (33); a first positioning block (32) is fixedly connected to the side surface of the first limiting block (31); two groups of second positioning blocks (42) are fixedly connected to the side surface of the second limiting block (41); the first positioning block (32) and the front second positioning block (42) both pass through the first sliding groove and are slidably connected to the first limiting rod (33).

8. A freeze-drying chamber for real-time monitoring of water evaporation according to claim 7, characterized in that: A second limiting rod (43) is arranged between the second limiting block (41) and the third limiting block (51); a second sliding groove is provided on the surface of the second limiting rod (43); a third positioning block (52) is fixedly connected to the side surface of the third limiting block (51); the third positioning block (52) and the rear second positioning block (42) both penetrate the second sliding groove and are slidably connected to the second limiting rod (43).

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