CN220728694U - Low-temperature freeze-drying equipment - Google Patents

Abstract

The utility model discloses a low-temperature freeze-drying device, which comprises: the foaming machine comprises a machine case, a foaming barrel, a heating frame, a compressor, a condenser and a vacuum pump, wherein the foaming barrel is arranged in the machine case, the heating frame is arranged in the foaming barrel, the compressor and the condenser are both arranged in the machine case, the compressor is connected with the condenser, the vacuum pump is arranged in the machine case, and the vacuum pump is communicated with the foaming barrel. The vacuum pump is arranged in the box body, so that the space required by freeze drying is effectively reduced, and the space utilization rate is improved.

Description

Low-temperature freeze-drying equipment

Technical Field

The utility model relates to the technical field of freeze drying, in particular to low-temperature freeze drying equipment.

Background

Freeze-dryer is a drying device developed based on freeze-drying technology, and is widely used in various fields such as medicine, biological products and food. The freeze drying is a technology for drying by utilizing the principle of vacuum sublimation, and is a process of quickly freezing a dried substance at a low temperature and then directly sublimating frozen water molecules into water vapor to escape in a proper vacuum environment.

In the prior art, the freeze-drying process mainly comprises three steps, namely, freezing of materials: freezing the material into a solid; second, sublimation drying: removing ice crystals in the material in a sublimating manner; third, analytical drying: evaporating the water remained in the material at a higher temperature to enable the residual water to reach the preset requirement. For example, chinese patent document with the publication number CN217929434U discloses a freeze dryer for experiments, which comprises a freeze dryer body and an external hanging mechanism, wherein the freeze dryer body comprises a refrigerating circuit and a storage box body, the refrigerating circuit is communicated with the storage box body through a pipeline, the storage box body comprises a shelf assembly and a lifting mechanism for adjusting the height between the shelf assemblies, and the external hanging mechanism is arranged outside the freeze dryer body and is communicated with the storage box body. The freeze dryer is in a high vacuum environment through the bottle, and the freeze dryer can realize high vacuum preservation while providing material freeze drying, so that freeze-dried materials are prevented from being corroded by oxygen and water vapor in the air.

However, in the using process of the freeze dryer, the vacuum pump needs to be connected through the external interface, the occupied space is large, the space utilization rate is low, and the freeze dryer is inconvenient to use.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides low-temperature freeze-drying equipment.

The utility model discloses a low-temperature freeze-drying device, which comprises: the foaming machine comprises a machine case, a foaming barrel, a heating frame, a compressor, a condenser and a vacuum pump, wherein the foaming barrel is arranged in the machine case, the heating frame is arranged in the foaming barrel, the compressor and the condenser are both arranged in the machine case, the compressor is connected with the condenser, the vacuum pump is arranged in the machine case, and the vacuum pump is communicated with the foaming barrel.

Preferably, the chassis comprises a bottom plate, a shell, a rear plate, a panel and a box door, wherein the bottom plate, the shell and the rear plate are mutually spliced to form a box body, the shell is arranged on the bottom plate, the rear plate is arranged on one side of the shell, the panel is arranged on one side of the shell away from the rear plate, and the box door is movably connected on one side of the shell away from the panel.

Preferably, the housing is integrally formed, and the housing is arranged in a shape.

Preferably, the refrigerator further comprises a connecting component which is respectively arranged between the refrigerator door and the panel; the connecting component comprises a fixed plate, a movable plate, an adjusting piece and a connecting piece, wherein the movable plate is movably connected with the fixed plate through the adjusting piece, the movable plate can linearly move towards the direction close to or far away from the panel, one end of the connecting piece is movably connected with the movable plate, and the other end of the connecting piece is connected with the box door.

Preferably, the fixed plate comprises a connecting part, a bending part, a sliding groove and two limiting grooves, wherein the bending part is connected to the connecting part, the sliding groove is formed in the length direction of the bending part, the two limiting grooves are oppositely arranged in the width direction of the bending part, and the two limiting grooves are respectively located at two sides of the sliding groove.

Preferably, the movable plate comprises a sliding part and a limiting part, the limiting part is connected to the sliding part, the sliding part can slide along the length direction of the sliding groove, and two ends of the limiting part are respectively located in the limiting groove.

Preferably, the display device further comprises a display and a display baffle, wherein the display baffle is arranged outside the display in a surrounding mode, and the display baffle is detachably connected to the shell.

Preferably, the water collecting device further comprises a water collecting assembly and a lower baffle, wherein the water collecting assembly is arranged on one side of the panel, which is away from the rear plate, and the lower baffle is arranged outside the water collecting assembly.

Preferably, the water receiving assembly comprises a first water receiving box, a first communication pipe and a water level display area, one end of the first communication pipe is communicated with the first water receiving box, the other end of the first communication pipe is connected with the foaming barrel, and the water level display area is arranged on the side wall of the first water receiving box.

Preferably, the water receiving assembly comprises a second water receiving box, a second communicating pipe and a heating piece, wherein one end of the second communicating pipe is communicated with the second water receiving box, the other end of the second communicating pipe is connected with the foaming barrel, and the heating piece is arranged in the second water receiving box.

The beneficial effects of this application lie in:

1. the vacuum pump is arranged in the box body, so that the space required by freeze drying is effectively reduced, and the space utilization rate is improved.

2. Through the setting of water receiving subassembly, need not alone external water pipe, convenience of customers uses, and saves space.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a perspective view of a lyophilization apparatus in accordance with a first embodiment;

fig. 2 is a perspective view showing an internal structure of the case according to the first embodiment;

FIG. 3 is a perspective view showing another view of the internal structure of the case according to the first embodiment;

FIG. 4 is a perspective view for showing a connection assembly in the first embodiment;

FIG. 5 is a perspective view of a lyophilization apparatus in a second embodiment;

FIG. 6 is a perspective view of a lyophilizing apparatus according to another embodiment;

fig. 7 is a perspective view showing the internal structure of the case in the second embodiment.

In the attached drawings, 1, a case; 101. a case; 1011. a bottom plate; 1012. a housing; 1013. a rear plate; 102. a panel; 103. a door; 2. a foaming cylinder; 3. a heating rack; 4. a compressor; 5. a condenser; 6. a vacuum pump; 7. a connection assembly; 701. a fixing plate; 7011. a connection part; 7012. a bending part; 7013. a slip groove; 7014. a limit groove; 702. a moving plate; 7021. a sliding part; 7022. a limit part; 703. an adjusting member; 704. a connecting piece; 8. a display; 9. a display baffle; 10. a water receiving assembly; 1001. a first water receiving box; 1002. a first communication pipe; 1003. a water level display area; 1004. a second water receiving box; 1005. a second communicating pipe; 1006. a heat generating member; 11. and a lower baffle.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the sake of simplicity of the drawing, some well-known and conventional structures and elements are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first", "second", etc. in this application are for descriptive purposes only and are not intended to specifically indicate a sequential or a cis-position, nor are they intended to limit the utility model, but are merely intended to distinguish between components or operations described in the same technical term, and are not to be construed as indicating or implying a relative importance or implying that the number of technical features indicated is not necessarily limited. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:

example 1

Referring to fig. 1 to 3, fig. 1 is a perspective view of a lyophilization apparatus in the first embodiment, fig. 2 is a perspective view for showing the internal structure of the case 101 in the first embodiment, and fig. 3 is a perspective view for showing another view of the internal structure of the case 101 in the first embodiment. The low-temperature freeze-drying device in the embodiment is used for realizing freeze-drying of a workpiece to be processed. The low-temperature freeze-drying device comprises a case 1, a foaming barrel 2, a heating frame 3, a compressor 4, a condenser 5 and a vacuum pump 6, wherein the foaming barrel 2 is arranged in the case 1, the heating frame 3 is arranged in the foaming barrel 2, the compressor 4 and the condenser 5 are arranged in the case 1, and the compressor 4 is connected with the condenser 5. The vacuum pump 6 is arranged in the machine case 1, and the vacuum pump 6 is communicated with the foaming cylinder 2. It should be noted that, be provided with a plurality of processing areas in the heating frame 3, placed the stainless steel dish in every processing area to be used for placing the work piece that waits, and be equipped with the heating device who is used for heating the stainless steel dish in the heating frame 3, this is prior art, and it is not repeated to describe. In practical application, the to-be-processed workpiece is placed in the heating frame 3, the temperature in the foaming cylinder 2 is reduced through the compressor 4 and the condenser 5, so that the water in the to-be-processed workpiece is frozen into a solid state, and the pressure in the foaming cylinder 2 is pumped to the vacuum degree required during freeze-drying through the vacuum pump 6. Next, the heating frame 3 heats the workpiece to be processed therein to absorb heat, so that the solid ice in the workpiece to be processed sublimates into water vapor, and the water vapor is condensed into water and then discharged out of the foaming cylinder 2. Therefore, the effective components of the workpiece to be processed are not destroyed by the freezing-vacuum-heating circulation effect, and the effective components in the workpiece to be processed can be reserved to the greatest extent.

Specifically, the cabinet 1 includes a cabinet 101, a panel 102, and a cabinet door 103, the cabinet 101 is configured to house the foaming cartridge 2, the heating rack 3, the compressor 4, the condenser 5, and the vacuum pump 6, and in this embodiment, the front side of the cabinet 101 has an opening. The panel 102 is mounted at the opening of the case 101, and the panel 102 and the foaming barrel 2 are mutually fixed by fasteners such as screws, so that the foaming barrel 2 and the case 101 are relatively fixed. The box door 103 is rotatably connected to the opening of the box body 101, when a workpiece to be processed needs to be placed, the box door 103 is firstly rotated relative to the box body 101, and then the workpiece to be processed is placed in the heating frame 3 in the foaming cylinder 2, so that the workpiece to be processed can be freeze-dried. In this embodiment, the door 103 and the case 101 are relatively fixed by a telescopic lock.

The case 101 includes a bottom plate 1011, a housing 1012, and a rear plate 1013, the housing 1012 is mounted on the bottom plate 1011, the panel 102 is mounted on one side of the housing 1012, and the rear plate 1013 is mounted on one side of the housing 1012 away from the panel 102. In the embodiment, the shell 1012 is arranged in a shape of a Chinese character , and the shell 1012 is integrally formed, so that the splicing seam of the box body 101 is reduced, the appearance is more attractive, and the box is more suitable for household use; the bottom plate 1011, the housing 1012, the panel 102, and the rear plate 1013 are joined to each other by fasteners such as screws, thereby forming the case 101 having the chamber therein.

Referring again to fig. 4, fig. 4 is a perspective view for showing the connection assembly 7 in the first embodiment. The lyophilization apparatus in this embodiment further includes connection assemblies 7, and the connection assemblies 7 are respectively disposed between the door 103 and the panel 102, so that the door 103 can move relative to the case 101. In this embodiment, the number of the connection assemblies 7 is two, and the two connection assemblies 7 are arranged in parallel along the height direction of the case 101. Specifically, the connection assembly 7 includes a fixed plate 701, a movable plate 702, an adjusting member 703, and a connecting member 704, and the fixed plate 701 is relatively fixed to the case 101 and the panel 102. The moving plate 702 is movably connected with the fixed plate 701 through the adjusting member 703, so that the moving plate 702 can linearly move toward a direction approaching or separating from the panel 102, one end of the connecting member 704 is rotatably connected with the moving plate 702, and the other end of the connecting member 704 is fixedly connected with the door 103. In this embodiment, the adjusting member 703 is a long bolt, and the long bolt sequentially passes through the moving plate 702 and the fixed plate 701 and is then screwed to the panel 102, so that the moving plate 702 can linearly move relative to the fixed plate 701 by rotating the long bolt.

The fixing plate 701 includes a connection portion 7011, a bending portion 7012, a sliding groove 7013, and two limiting grooves 7014, and the connection portion 7011 is mounted to the case 101 and the panel 102 by a fastener such as a screw. The bending portion 7012 is connected to a side of the connecting portion 7011 facing away from the panel 102, and the bending portion 7012 is perpendicular to the connecting portion 7011. The sliding groove 7013 and the limiting groove 7014 are both formed at one end of the bending portion 7012 away from the connecting portion 7011, and the sliding groove 7013 and the limiting groove 7014 penetrate through the upper surface and the lower surface of the bending portion 7012. In this embodiment, the sliding groove 7013 is opened along the length direction of the bending portion 7012, two limiting grooves 7014 are oppositely disposed along the width direction of the bending portion 7012, and the two limiting grooves 7014 are respectively located at two sides of the sliding groove 7013.

Further, the moving plate 702 includes a sliding portion 7021 and a limiting portion 7022, the sliding portion 7021 is slidably disposed in the sliding slot 7013, and the limiting portion 7022 is connected to the sliding portion 7021. The limiting portion 7022 is substantially in a shape of a letter , and two ends of the limiting portion 7022 are respectively located in the limiting grooves 7014. In this embodiment, the sliding portion 7021 and the connecting portion 7011 are movably connected through an adjusting member 703, and the adjusting member 703 sequentially passes through the sliding portion 7021 and the connecting portion 7011 and is then screwed to the panel 102. When the distance between the door 103 and the case 101 needs to be adjusted, the sliding portion 7021 can be pushed to move along the length direction of the sliding slot 7013 by rotating the adjusting member 703, so that the distance between the sliding portion 7021 and the connecting portion 7011 is adjusted. At the same time, the limiting groove 7014 limits the limiting portion 7022 to reduce the occurrence of lateral shaking of the moving plate 702 during movement, so that the distance between the door 103 and the case 101 can be adjusted.

The cryofreeze-drying apparatus in this embodiment further includes a display 8 and a display baffle 9, wherein the display 8 is mounted on a side of the case 101 near the door 103 for displaying freeze-dried data information. The display baffle 9 encloses and locates outside the display 8, and display baffle 9 is located chamber door 103 top, and display baffle 9 detachable connection in shell 1012, in this embodiment, the joint portion is installed to one side that display baffle 9 towards shell 1012, has seted up the joint groove on the shell 1012 correspondingly, and joint portion joint cooperation is in the joint groove to make display baffle 9 detachable installation in shell 1012, here does not add the limit much.

The low temperature freeze-drying apparatus in this embodiment further comprises a water receiving assembly 10 and a lower baffle 11, wherein the water receiving assembly 10 is mounted on a side of the panel 102 away from the rear plate 1013 to collect water discharged from the foaming cartridge 2, and the lower baffle 11 is disposed outside the water receiving assembly 10. Specifically, the water receiving assembly 10 includes a first water receiving box 1001, a first communication pipe 1002 and a water level display area 1003, the first water receiving box 1001 is located below the box door 103, in this embodiment, the lower baffle 11 is enclosed outside the first water receiving box 1001, and the lower baffle 11 is clamped to the housing 1012. One end of the first communication pipe 1002 is connected to the first water receiving box 1001, and the other end of the first communication pipe 1002 is connected to the foaming cylinder 2, so as to guide the water discharged from the foaming cylinder 2 to the first water receiving box 1001. The water level display area 1003 is disposed on a side wall of the first water receiving box 1001, the water level display area 1003 is used for displaying a water level condition in the first water receiving box 1001, in this embodiment, a recess into which a hand can extend is disposed on a side of the first water receiving box 1001 facing away from the box body 101, so that the hand can extend into the recess to pull out the first water receiving box 1001, and water in the first water receiving box 1001 is poured out. Therefore, the independent external water pipe is not needed, the use of a user is convenient, and the space is saved.

Example two

Referring to fig. 5 and 6 together, fig. 5 is a perspective view of the lyophilization apparatus in the second embodiment, and fig. 6 is a perspective view of the lyophilization apparatus in the second embodiment from another perspective. The lyophilization apparatus in this embodiment is different from that in the embodiment in that: the shape of the rear plate 1013 is different from the structure of the water receiving member 10.

Specifically, the rear plate 1013 is configured as a special shape, and the special-shaped rear plate 1013 is recessed inward to form a containing chamber for containing the vacuum pump 6, at this time, the vacuum pump 6 is located at a side of the rear plate 1013 facing away from the panel 102, which does not occupy an excessive space and is suitable for different demands.

Referring to fig. 7 again, fig. 7 is a perspective view for showing the internal structure of the case 101 in the second embodiment. Further, the water receiving assembly 10 includes a second water receiving box 1004, a second communicating pipe 1005 and a heating element 1006, wherein the second water receiving box 1004 is located below the box door 103, in this embodiment, the lower baffle 11 is covered outside the second water receiving box 1004, and the lower baffle 11 is clamped to the housing 1012. One end of the second communicating pipe 1005 is connected to the second water receiving box 1004, and the other end of the second communicating pipe 1005 is connected to the foaming tube 2, and the heating element 1006 is arranged in the second water receiving box 1004, and the heating element 1006 is used for evaporating water in the second water receiving box 1004 without manually pouring water.

In summary, in the low-temperature freeze-drying device of the utility model, the temperature in the foaming cylinder 2 is reduced by placing a workpiece to be processed in the heating frame 3 and the compressor 4 and the condenser 5, so that water in the workpiece to be processed is frozen into a solid state, and the inside of the foaming cylinder 2 is vacuumized by the vacuum pump 6. Next, the heating rack 3 heats so that the work piece to be processed therein absorbs heat, so that the solid ice in the work piece to be processed sublimates into water vapor. Therefore, the effective components of the workpiece to be processed are not destroyed by the freezing-vacuum-heating circulation effect, and the effective components in the workpiece to be processed can be reserved to the greatest extent. Thus, the space required for freeze-drying is effectively reduced by incorporating the vacuum pump 6 in the casing 101, thereby improving space utilization.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (10)

1. A lyophilization apparatus comprising: the novel foaming machine comprises a machine case (1), a foaming barrel (2), a heating frame (3), a compressor (4), a condenser (5) and a vacuum pump (6), wherein the foaming barrel (2) is arranged in the machine case (1), the heating frame (3) is arranged in the foaming barrel (2), the compressor (4) and the condenser (5) are all arranged in the machine case (1), the compressor (4) is connected with the condenser (5), the vacuum pump (6) is arranged in the machine case (1), and the vacuum pump (6) is communicated with the foaming barrel (2).

2. The lyophilization apparatus according to claim 1, wherein the cabinet (1) comprises a bottom plate (1011), a housing (1012), a back plate (1013), a panel (102) and a door (103), the bottom plate (1011), the housing (1012) and the back plate (1013) are spliced with each other to form a cabinet (101), the housing (1012) is provided on the bottom plate (1011), the back plate (1013) is provided on a side of the housing (1012), the panel (102) is provided on a side of the housing (1012) away from the back plate (1013), and the door (103) is movably connected to a side of the housing (1012) away from the panel (102).

3. The lyophilization apparatus as set forth in claim 2, wherein the housing (1012) is integrally formed, and the housing (1012) is provided in a shape of a letter .

4. The lyophilization apparatus as set forth in claim 2, further comprising a connection assembly (7), the connection assembly (7) being respectively disposed between the door (103) and the panel (102); the connecting assembly (7) comprises a fixed plate (701), a movable plate (702), an adjusting piece (703) and a connecting piece (704), wherein the movable plate (702) is movably connected with the fixed plate (701) through the adjusting piece (703), the movable plate (702) can linearly move towards a direction close to or far away from the panel (102), one end of the connecting piece (704) is movably connected with the movable plate (702), and the other end of the connecting piece (704) is connected with the box door (103).

5. The low-temperature freeze-drying apparatus according to claim 4, wherein the fixing plate (701) comprises a connecting portion (7011), a bending portion (7012), a sliding groove (7013) and two limiting grooves (7014), the bending portion (7012) is connected to the connecting portion (7011), the sliding groove (7013) is formed along the length direction of the bending portion (7012), the two limiting grooves (7014) are oppositely arranged along the width direction of the bending portion (7012), and the two limiting grooves (7014) are respectively located at two sides of the sliding groove (7013).

6. The low-temperature freeze-drying apparatus according to claim 5, wherein the moving plate (702) comprises a sliding portion (7021) and a limiting portion (7022), the limiting portion (7022) is connected to the sliding portion (7021), the sliding portion (7021) can slide along the length direction of the sliding groove (7013), and two ends of the limiting portion (7022) are respectively located in the limiting groove (7014).

7. The lyophilization apparatus according to claim 4, further comprising a display (8) and a display baffle (9), wherein the display baffle (9) is disposed around the display (8), and wherein the display baffle (9) is detachably connected to the housing (1012).

8. The lyophilization apparatus as set forth in claim 7, further comprising a water receiving assembly (10) and a lower baffle (11), wherein the water receiving assembly (10) is disposed on a side of the faceplate (102) facing away from the back plate (1013), and the lower baffle (11) is disposed outside the water receiving assembly (10).

9. The lyophilization apparatus according to claim 8, wherein the water receiving assembly (10) comprises a first water receiving box (1001), a first communication pipe (1002), and a water level display area (1003), wherein one end of the first communication pipe (1002) is communicated with the first water receiving box (1001), the other end of the first communication pipe (1002) is connected with the foaming cylinder (2), and the water level display area (1003) is provided on a side wall of the first water receiving box (1001).

10. The low-temperature freeze-drying apparatus according to claim 8, wherein the water receiving assembly (10) comprises a second water receiving box (1004), a second communicating pipe (1005) and a heating element (1006), one end of the second communicating pipe (1005) is communicated with the second water receiving box (1004), the other end of the second communicating pipe (1005) is connected with the foaming cylinder (2), and the heating element (1006) is arranged in the second water receiving box (1004).