Drying bottle

Abstract

The utility model relates to the field of refrigeration equipment, and discloses a drying bottle which comprises a shell provided with a containing cavity. The variable-volume assembly is used for forming a first variable-volume chamber and a second variable-volume chamber in the accommodating cavity; the first variable volume chamber is close to the top of the shell; the drying agent is arranged in the first variable volume chamber; a pipeline outlet of the refrigerant inlet pipe is communicated with the first variable volume chamber; one end of the refrigerant outlet pipe is fixed to the variable-capacity assembly, and the other end of the refrigerant outlet pipe penetrates out of the shell from the first variable-capacity cavity; the refrigerant outlet pipe stretches out and draws back along with movement of the variable-volume assembly. A hole is formed in the refrigerant outlet pipe, and the hole is not shielded in the expansion and contraction process of the refrigerant outlet pipe; and the driving assembly is used for driving the variable-volume assembly to move so as to change the volumes of the first variable-volume chamber and the second variable-volume chamber. Therefore, the drying bottle can dynamically adjust the volume of the first variable-volume chamber through which the refrigerant can flow according to the amount of the refrigerant required in the air conditioning system, so as to maintain the efficiency of the air conditioning system.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigeration equipment, in particular to a drying bottle. BACKGROUND

[0002] At present, a fixed volume drying bottle is generally used in an air conditioning system, so that the overall volume of the air conditioning system is in a fixed state. When the air conditioning system is in different working conditions, the required amount of refrigerant in the refrigerant circulation pipeline is different. Generally, when the air conditioning system is filled with refrigerant, the refrigerant is filled according to the maximum demand of the system, and when the required amount of refrigerant in the refrigerant circulation pipeline is reduced, the excess refrigerant is usually stored in the drying bottle. However, storing all the refrigerant in the drying bottle may cause too much refrigerant on the high pressure side, thereby causing the air conditioning system pressure to be too high, the heat dissipation load of the condenser to increase, the evaporator capacity to decrease, the compressor power consumption to increase, and so on, thereby affecting the refrigeration efficiency of the air conditioning system.

[0003] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0004] In order to have a basic understanding of some aspects of the disclosed embodiments, the following is a simple summary. The summary is not a general review, nor is it intended to determine the key / important components or to delineate the protection scope of these embodiments, but as a prelude to the detailed description below.

[0005] The drying bottle provided by the embodiments of the present application can be used to maintain the refrigeration efficiency of the air conditioning system.

[0006] The drying bottle provided by the embodiments of the present application comprises an outer shell provided with a containing cavity, a variable volume assembly for forming a first variable volume chamber and a second variable volume chamber in the containing cavity, the first variable volume chamber being close to the top of the outer shell, a drying agent arranged in the first variable volume chamber, a refrigerant inlet pipe, a pipe outlet of the refrigerant inlet pipe being in communication with the first variable volume chamber, a refrigerant outlet pipe, one end of the refrigerant outlet pipe being fixed on the variable volume assembly, the other end of the refrigerant outlet pipe extending out of the outer shell from the first variable volume chamber, the refrigerant outlet pipe being telescopic following the movement of the variable volume assembly, a hole being arranged on the refrigerant outlet pipe, and the hole not being blocked during the telescopic movement of the refrigerant outlet pipe, and a driving assembly for driving the variable volume assembly to move so as to change the volumes of the first variable volume chamber and the second variable volume chamber.

[0007] In the above embodiments, by arranging the variable volume assembly and the refrigerant outlet pipe capable of following the variable volume assembly to expand and contract, the volume of the first variable volume chamber through which the refrigerant flows can be changed. Thus, the volume of the first variable volume chamber through which the refrigerant flows in the drying bottle can be dynamically adjusted according to the required refrigerant of the air conditioning system under different working conditions, so that there is no excessive refrigerant accumulated in the drying bottle, the pressure on the high pressure side of the air conditioning system is balanced, the efficiency of the air conditioning system is less affected, and the efficiency of the air conditioning system is maintained.

[0008] Further, the variable volume assembly is a piston assembly arranged in the accommodating cavity along the axial direction of the accommodating cavity, and the piston assembly and the shell enclose the first variable volume chamber and the second variable volume chamber.

[0009] It can be understood that the piston assembly is a movable device. By arranging the piston assembly in the accommodating cavity, the accommodating cavity can be divided into different chambers by the piston assembly, and the volume of the chamber divided by the piston assembly can be changed by moving the piston assembly, so as to change the volume of the chamber and dynamically adjust the volume of the first variable volume chamber through which the refrigerant flows in the drying bottle according to the required refrigerant of the air conditioning system under different working conditions.

[0010] Further, a limiting table is arranged in the accommodating cavity, and the limiting table is used to limit the movement range of the piston assembly.

[0011] It can be understood that although the refrigerant outlet pipe can expand and contract, it cannot expand and contract indefinitely. When the refrigerant outlet pipe reaches the limit of contraction, continued extrusion of the refrigerant outlet pipe can cause damage to the refrigerant outlet pipe. Therefore, in the case of inaccurate control of the driving assembly, the piston assembly can continuously extrude the refrigerant outlet pipe, causing damage to the refrigerant outlet pipe. By arranging the limiting table, the movement of the piston assembly can be limited, thereby protecting the refrigerant outlet pipe.

[0012] Further, the variable volume assembly is arranged in the accommodating cavity, and the variable volume assembly comprises a bellows, an upper connecting plate on the bellows, and a lower connecting plate on the bellows; the upper connecting plate on the bellows is fixed to the top of the shell; and the bellows, the upper connecting plate on the bellows, and the lower connecting plate on the bellows enclose the first variable volume chamber.

[0013] In the above embodiments, since the bellows itself has the characteristics of expansion and contraction, by arranging the upper connecting plate on the bellows and the lower connecting plate on the bellows to seal the bellows, a chamber through which the refrigerant flows can be formed. At the same time, by the expansion and contraction characteristics of the bellows itself, the volume of the chamber can be changed. Thus, the drying bottle has the function of dynamically adjusting the volume of the first variable volume chamber through which the refrigerant flows in the drying bottle according to the required refrigerant of the air conditioning system under different working conditions.

[0014] Further, the refrigerant outlet pipe comprises a refrigerant upper outlet pipe and a refrigerant lower outlet pipe; the refrigerant lower outlet pipe is fixed on the variable volume assembly, and the refrigerant upper outlet pipe passes through the shell from the first variable volume chamber; the inner diameter of the pipe opening of the refrigerant upper outlet pipe is larger than the outer diameter of the pipe opening of the refrigerant lower outlet pipe, and the refrigerant lower outlet pipe is arranged in the refrigerant upper outlet pipe.

[0015] In the above embodiment, by arranging the refrigerant upper outlet pipe and the refrigerant lower outlet pipe with different inner and outer diameters of the pipe opening, and sleeving the refrigerant lower outlet pipe in the refrigerant upper outlet pipe, the refrigerant lower outlet pipe can move in the refrigerant upper outlet pipe to realize the expansion and contraction of the refrigerant outlet pipe. Further, the refrigerant can normally leave the refrigerant outlet pipe during the change of the volume of the first variable volume chamber.

[0016] Further, the driving assembly comprises a threaded base, a screw rod and a motor; the threaded base is connected with the variable volume assembly, the threaded base is connected with the screw rod in a matched mode, and the screw rod is connected with the motor; the motor drives the screw rod to rotate to drive the variable volume assembly to move.

[0017] It can be understood that when the motor drives the screw rod to rotate, the threaded base will be subjected to an axial pushing force or pulling force due to the interaction of the threads, and the force enables the threaded base to move along the axial direction of the screw rod. Thus, by arranging the threaded base to be connected with the variable volume assembly, the movement of the threaded base can drive the variable volume assembly to move, and thus the drying bottle can dynamically adjust the volume of the first variable volume chamber through which the refrigerant flows.

[0018] Further, the driving assembly comprises a fluid pipeline, which is communicated with the second variable volume chamber; the fluid pipeline is used to introduce or discharge fluid to the second variable volume chamber, and the fluid drives the variable volume assembly to move.

[0019] In the above embodiment, during the introduction of fluid to the second variable volume chamber through the fluid pipeline, the introduced fluid will generate a pushing force on the variable volume assembly, thereby realizing the movement of the variable volume assembly, and thus the drying bottle can dynamically adjust the volume of the first variable volume chamber through which the refrigerant flows.

[0020] Further, the driving assembly comprises an elastic element; one end of the elastic element is connected with the bottom of the second variable volume chamber, and the other end of the elastic element is connected with the variable volume assembly; the elastic element deforms following the pressure in the first variable volume chamber to drive the variable volume assembly to move.

[0021] In the above embodiment, the pressure in the first variable volume chamber through which the refrigerant flows changes during use of the drying bottle. When the pressure increases, the elastic element is pressed, and at this time, the elastic element drives the variable volume assembly to move downward, thereby increasing the volume of the first variable volume chamber. If the pressure decreases, the elastic element returns to the initial state, and the elastic element drives the variable volume assembly to move upward, thereby reducing the volume of the first variable volume chamber. In this way, the drying bottle can dynamically adjust the volume of the first variable volume chamber through which the refrigerant flows.

[0022] Further, the driving assembly comprises a memory alloy, one end of the memory alloy is connected to the bottom of the second variable volume chamber, and the other end of the memory alloy is connected to the variable volume assembly; the memory alloy is deformed under the control of a heating temperature and the pressure in the first variable volume chamber, to drive the variable volume assembly to move.

[0023] It can be understood that the memory alloy is deformed under an external force at a lower temperature, and after the external force is removed and the memory alloy is heated to above the phase transition temperature, the memory alloy can return to the original shape. Therefore, by controlling the heating temperature of the memory alloy, in combination with the change of the pressure in the first variable volume chamber through which the refrigerant flows during use of the drying bottle, the memory alloy can be deformed to drive the variable volume assembly to move, thereby enabling the drying bottle to dynamically adjust the volume of the first variable volume chamber through which the refrigerant flows.

[0024] Further, the drying bottle further comprises a partition plate, the partition plate is fixedly arranged in the first variable volume chamber, located at a preset distance below the pipeline outlet of the refrigerant inlet pipe, and used to block the refrigerant flowing out of the pipeline outlet of the refrigerant inlet pipe.

[0025] In the above embodiment, the partition plate is arranged at a preset distance below the pipeline outlet of the refrigerant inlet pipe. When the refrigerant flows out of the pipeline outlet of the refrigerant inlet pipe, the refrigerant will impact on the partition plate, thereby accelerating the gas-liquid separation under the influence of temperature difference, surface tension and adhesion, and making the liquid flow downward into the drying agent.

[0026] Further, the partition plate is provided with a fan-shaped protrusion.

[0027] In the above embodiment, the fan-shaped structure arranged on the partition plate can more facilitate the dispersion of the refrigerant flow, and further accelerate the circulation of the refrigerant.

[0028] Further, the drying bottle further comprises a first connecting assembly, the first connecting assembly is fixedly arranged on one side of the shell close to the accommodating cavity, and used to fix the partition plate.

[0029] In the above embodiment, since the partition plate only needs to shield the pipeline outlet of the refrigerant inlet pipe, the partition plate can be suspended in the accommodating cavity and fixed in the accommodating cavity by the first connecting assembly.

[0030] The foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application. BRIEF DESCRIPTION OF DRAWINGS

[0031] One or more embodiments are illustrated by way of example in the figures that are not intended to be limiting of the application as claimed. Like numbers refer to like elements throughout the description, some of which elements incorporate the same material as others. These figures are not necessarily drawn to scale, and the like elements are not necessarily drawn to scale, and in which:

[0032] Figure 1 is a schematic view of a first drying bottle provided by an embodiment of the application;

[0033] Figure 2 is a schematic view of a second drying bottle provided by an embodiment of the application;

[0034] Figure 3 is a schematic view of a third drying bottle provided by an embodiment of the application;

[0035] Figure 4 is a schematic view of a fourth drying bottle provided by an embodiment of the application;

[0036] Figure 5 is a schematic view of a fifth drying bottle provided by an embodiment of the application.

[0037] LIST OF REFERENCE NUMERALS

[0038] 10: housing; 11: shell; 12: top cover; 13: base; 20: variable volume assembly; 21: piston assembly; 22: bellows; 23: upper connecting plate of bellows; 24: lower connecting plate of bellows; 30: desiccant; 40: refrigerant inlet pipe; 50: refrigerant outlet pipe; 51: upper refrigerant outlet pipe; 52: lower refrigerant outlet pipe; 60: driving assembly; 61: fluid pipeline; 62: threaded base; 63: screw rod; 64: motor; 65: elastic element; 66: memory alloy; 70: limiting platform; 80: first connecting assembly; 81: second connecting assembly; 90: partition plate; 100: accommodating cavity; 101: first variable volume chamber; 102: second variable volume chamber; 110: hole. DETAILED DESCRIPTION

[0039] In order to enable more detailed understanding of the features and technical contents of the embodiments of the present application, the implementation of the embodiments of the present application is described in detail below in combination with the drawings, the drawings are used for reference only, and are not used to limit the embodiments of the present application. In the following technical description, in order to facilitate explanation, through multiple details, a sufficient understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0040] The terms "first", "second", and the like in the specification and claims of the embodiments of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so as to implement the embodiments of the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0041] In addition, the terms "set", "connected", "fixed" should be understood broadly. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0042] Unless otherwise specified, the term "a plurality of" means two or more.

[0043] It should be noted that the embodiments in the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0044] Embodiments

[0045] In combination Figures 1 to 5As shown, the embodiment of the present application provides a drying bottle, which comprises a shell 10, a variable volume assembly 20, a drying agent 30, a refrigerant inlet pipe 40, a refrigerant outlet pipe 50 and a driving assembly 60. The shell 10 is provided with a containing cavity 100. The variable volume assembly 20 is used to form a first variable volume cavity 101 and a second variable volume cavity 102 in the containing cavity 100, and the first variable volume cavity 101 is close to the top of the shell 10. The drying agent 30 is arranged in the first variable volume cavity 101. The pipe outlet of the refrigerant inlet pipe 40 is communicated with the first variable volume cavity 101. One end of the refrigerant outlet pipe 50 is fixed on the variable volume assembly 20, and the other end of the refrigerant outlet pipe 50 passes out of the shell 10 from the first variable volume cavity 101. The refrigerant outlet pipe 50 is telescopic with the movement of the variable volume assembly 20. The refrigerant outlet pipe 50 is provided with a hole 110, and the hole 110 is not blocked in the telescopic process of the refrigerant outlet pipe 50. The driving assembly 60 is used to drive the variable volume assembly 20 to move, so as to change the volume of the first variable volume cavity 101 and the second variable volume cavity 102.

[0046] In some embodiments, the shell 10 comprises a shell body 11, a top cover 12 and a base 13. The shell body 11 is enclosed with a hollow part, and the shell body 11 is sealed by the top cover 12 and the base 13. For example, the shell 10 is in the shape of a cylinder as a whole. The shell body 11 forms the side surface of the cylinder, and the top cover 12 and the base 13 are both circular, the top cover 12 is the top surface of the cylinder, and the base 13 is the bottom surface of the cylinder. The shell 10 with the containing cavity 100 is formed by the enclosure of the shell body 11, the top cover 12 and the base 13.

[0047] It can be understood that other enclosure methods can also be used to construct the shell 10 with the containing cavity 100, for example, the shell 10 can also comprise a top cover and a bottom. The bottom is an integrally formed barrel, and the shell 10 with the containing cavity 100 is obtained by sealing the bottom by the top cover. Meanwhile, engineers can also set the shell 10 to other shapes according to their own use requirements.

[0048] In some embodiments, in combination with Figure 1 and Figure 2 As shown, the variable volume assembly 20 is a piston assembly 21. The piston assembly 21 is arranged in the containing cavity 100 along the axial direction of the containing cavity 100, and the piston assembly 21 and the shell 10 form the first variable volume cavity 101 and the second variable volume cavity 102.

[0049] Exemplarily, the shell 10 comprises a top cover 12, a shell body 11 and a base 13. The piston assembly 21 is connected with the shell body 11, and a first variable volume chamber 101 is formed by the piston assembly 21, the shell body 11 and the top cover 12. A second variable volume chamber 102 is formed by the piston assembly 21, the shell body 11 and the base 13. The base 13 can be provided with one or more support tables for supporting the piston assembly 21, so that a second variable volume chamber 102 with a volume greater than a set volume exists between the piston assembly 21 and the base 13.

[0050] It can be understood that, due to the different heights and numbers of the support tables, the minimum volume of the second variable volume chamber 102 will also be different.

[0051] In the above embodiment, the containing cavity 100 is provided with a limiting table 70 for limiting the movement range of the piston assembly 21.

[0052] It can be understood that the height of the limiting table 70 can be set by engineers according to actual use requirements. Meanwhile, a through hole can be provided on the limiting table 70 for the refrigerant outlet pipe 50 to pass through, so that the refrigerant outlet pipe 50 passes through the through hole to better fix the refrigerant outlet pipe 50. In order to make the refrigerant outlet pipe 50 more firm, the limiting table 70 and the refrigerant outlet pipe 50 can be welded at the place where they contact each other.

[0053] In other embodiments, in combination with Figure 3 As shown, the variable volume assembly 20 is located in the containing cavity 100. The variable volume assembly 20 comprises a bellows 22, an upper connecting plate 23 of the bellows and a lower connecting plate 24 of the bellows. The upper connecting plate 23 of the bellows is fixedly arranged on the top of the shell 10 near the containing cavity 100. The bellows 22, the upper connecting plate 23 of the bellows and the lower connecting plate 24 of the bellows enclose the first variable volume chamber 101.

[0054] Exemplarily, in the case where the shell 10 comprises a top cover 12, a shell body 11 and a base 13, the upper connecting plate 23 of the bellows is fixed on the top cover 12.

[0055] In some embodiments, the refrigerant inlet pipe 40 can be made of rigid materials. The rigid materials can be metal materials, such as copper pipes, stainless steel pipes, aluminum-copper alloy pipes, etc. The rigid materials can also be engineering plastics, such as polycarbonate (PC), polyamide (PA), polyether ether ketone (PEEK), etc.

[0056] It is worth noting that, in the case of forming the first variable volume chamber 101 using the piston assembly 21, the shell 10, the top cover 12 and the base 13, a through hole can be formed on the top cover 12 for the refrigerant inlet pipe 40 to pass through, so that the refrigerant inlet pipe 40 passes out of the shell 10 from the first variable volume chamber 101. In the case of forming the first variable volume chamber 101 using the bellows 22, the upper connecting plate 23 and the lower connecting plate 24, a through hole can be formed on both the top cover 12 and the upper connecting plate 23, so that the refrigerant inlet pipe 40 can pass out of the shell 10 from the first variable volume chamber 101.

[0057] In some embodiments, in combination with Figures 1 to 5 As shown, the refrigerant outlet pipe 50 can include a refrigerant upper outlet pipe 51 and a refrigerant lower outlet pipe 52. The refrigerant lower outlet pipe 52 is fixed on the variable volume assembly 20, and the refrigerant upper outlet pipe 51 passes out of the shell 10 from the first variable volume chamber 101. The inner diameter of the pipe opening of the refrigerant upper outlet pipe 51 is greater than the outer diameter of the pipe opening of the refrigerant lower outlet pipe 52, and the refrigerant lower outlet pipe 52 is arranged inside the refrigerant upper outlet pipe 51. At the same time, a hole 110 is arranged on the pipe body of the refrigerant lower outlet pipe 52.

[0058] The refrigerant lower outlet pipe 52 can be fixed on the variable volume assembly 20 by the second connecting assembly 81. For example, a recess is arranged on the piston assembly 21, the pipe outlet of the refrigerant lower outlet pipe 52 is in contact with the inner wall of the recess, and the refrigerant lower outlet pipe 52 is fixed on the variable volume assembly 20 by the second connecting assembly 81.

[0059] It can be understood that the second connecting assembly 81 is a device with a fixing function, for example, a pressing plate, a screw, etc.

[0060] It can be understood that, in the case of forming the first variable volume chamber 101 using the piston assembly 21, the shell 10, the top cover 12 and the base 13, a through hole can be formed on the top cover 12 for the refrigerant upper outlet pipe 51 to pass through, so that the refrigerant upper outlet pipe 51 passes out of the shell 10 from the first variable volume chamber 101. In the case of forming the first variable volume chamber 101 using the bellows 22, the upper connecting plate 23 and the lower connecting plate 24, a through hole can be formed on both the top cover 12 and the upper connecting plate 23, so that the refrigerant upper outlet pipe 51 can pass out of the shell 10 from the first variable volume chamber 101.

[0061] It is worth noting that during the upward movement of the variable volume assembly 20, the refrigerant lower outlet pipe 52 moves upward along with the variable volume assembly 20, which causes more of the refrigerant lower outlet pipe 52 to be blocked by the refrigerant upper outlet pipe 51. Therefore, holes 110 are provided on the refrigerant lower outlet pipe 52, so that at least part of the holes 110 are not blocked by the refrigerant upper outlet pipe 51 during the upward movement of the moving assembly, so that the dried refrigerant can enter the refrigerant lower outlet pipe 52 from the holes 110 and then flow out of the drying bottle.

[0062] In combination Figure 1 and Figure 2 As shown in FIG. 1, in the above embodiment, in order to ensure that at least part of the holes 110 are not blocked by the refrigerant upper outlet pipe 51, a recess can be formed on the variable volume assembly 20, the refrigerant lower outlet pipe 52 is fixed in the recess of the variable volume assembly 20, and the holes 110 are formed on the pipe body of the refrigerant lower outlet pipe 52 located in the recess.

[0063] However, in other embodiments, the length of the refrigerant lower outlet pipe 52 can be longer than the length of the refrigerant upper outlet pipe 51, so that there is always part of the pipe body of the refrigerant lower outlet pipe 52 that is not blocked by the refrigerant upper outlet pipe 51. The holes 110 are provided on the pipe body of the refrigerant lower outlet pipe 52 that is not blocked by the refrigerant upper outlet pipe 51, so that at least part of the holes 110 are not blocked by the refrigerant upper outlet pipe 51.

[0064] In the above embodiment, the refrigerant upper outlet pipe 51 and the refrigerant lower outlet pipe 52 can be made of rigid materials.

[0065] It can be understood that the engineer can select the materials for the refrigerant upper outlet pipe 51 and the refrigerant lower outlet pipe 52 according to the use requirements. The materials for the refrigerant upper outlet pipe 51 and the refrigerant lower outlet pipe 52 can also be different.

[0066] In other embodiments, the refrigerant outlet pipe 50 can be a corrugated pipe directly. One end of the corrugated pipe is fixed on the variable volume assembly 20, the other end of the corrugated pipe passes out of the shell from the first variable volume chamber 101, and the holes 110 are provided on the pipe body of the corrugated pipe within the predetermined range of the variable volume assembly 20.

[0067] In combination Figure 1As shown, in some embodiments, the driving assembly 60 can include a fluid conduit 61. The fluid conduit 61 is in communication with the second variable volume chamber 102; the fluid conduit 61 is used to introduce or discharge fluid to the second variable volume chamber 102. Specifically, in the process of the fluid conduit 61 introducing fluid to the second variable volume chamber 102, the introduced fluid will generate a pushing force to the piston assembly 21 or the bellows lower connecting plate 24, thus pushing the piston assembly 21 or the bellows lower connecting plate 24 to move towards the top of the housing 10, so that the volume of the first variable volume chamber 101 becomes smaller. When the fluid in the second variable volume chamber 102 is discharged, the pushing force of the fluid to the piston assembly 21 or the bellows lower connecting plate 24 decreases, and the piston assembly 21 or the bellows lower connecting plate 24 moves towards the bottom of the housing 10, so that the volume of the first variable volume chamber 101 becomes larger. In turn, the drying bottle can dynamically adjust the volume of the first variable volume chamber 101 through which the refrigerant flows.

[0068] It can be understood that the fluid conduit 61 is also connected with a device for providing fluid. The fluid can be a liquid, a gas, or a gas-liquid mixture. Correspondingly, when the fluid is a liquid, the device for providing fluid can be a tank for storing the liquid. When the fluid is a gas, the device for providing fluid can be a tank for storing the gas.

[0069] For example, when the fluid is a liquid, it can be refrigeration oil, liquid refrigerant, etc. When the fluid is a gas, it can be gaseous refrigerant.

[0070] In combination Figure 4 As shown, in other embodiments, the driving assembly includes an elastic element 65. One end of the elastic element is connected with the bottom of the second variable volume chamber 102, and the other end of the elastic element 65 is connected with the variable volume assembly 20. The elastic element 65 deforms following the pressure in the first variable volume chamber 101 to drive the variable volume assembly 20 to move.

[0071] In combination Figure 5 As shown, in other embodiments, the driving assembly includes a memory alloy 66. One end of the memory alloy 66 is connected with the bottom of the second variable volume chamber 102, and the other end of the memory alloy 66 is connected with the variable volume assembly 20. The memory alloy 66 deforms under the control of the heating temperature and the pressure in the first variable volume chamber 101 to drive the variable volume assembly 20 to move.

[0072] In combination Figure 2 And Figure 3 As shown, in other embodiments, the driving assembly 60 can include a threaded base 62, a screw rod 63, and a motor 64. The threaded base 62 is connected with the variable volume assembly 20, the threaded base 62 is connected with the screw rod 63 in a matching manner, and the screw rod 63 is connected with the motor 64. The motor 64 drives the screw rod 63 to rotate to drive the variable volume assembly 20 to move.

[0073] It can be understood that, since the control technology of the motor is relatively mature, the movement of the variable volume assembly can be more accurate by driving the movement of the variable volume assembly through the motor.

[0074] For example, the shell 10 includes a top cover 12, a shell body 11 and a base 13. The motor 64 can be arranged outside the shell 10, one end of the screw rod 63 is connected with the motor 64, the other end of the screw rod 63 passes through the base and is connected with the threaded base 62 in the second variable volume chamber 102, the threaded base 62 is connected with the variable volume assembly 20, the motor 64 drives the screw rod 63 to drive the threaded base 62 to move, thereby driving the variable volume assembly 20 to move.

[0075] For another example, the motor 64, the threaded base 62 and the screw rod 63 are all arranged in the second variable volume chamber 102. The motor 64 drives the screw rod 63 to drive the threaded base 62 to move, thereby driving the variable volume assembly 20 to move.

[0076] For example, in the case of the variable volume assembly 20 being the piston assembly 21, the threaded base 62 for connecting the screw rod 63 can be integrated on the piston assembly 21. Thus, the motor 64 can drive the screw rod 63 to drive the threaded base 62 to move, thereby driving the piston assembly 21 to move.

[0077] For another example, in the case of the variable volume assembly 20 being the bellows 22, the upper connecting plate 23 and the lower connecting plate 24, a separate threaded base 62 can be connected on the side of the lower connecting plate 24 which is not connected with the bellows 22. Thus, the motor 64 can drive the screw rod 63 to drive the threaded base 62 to move, thereby driving the lower connecting plate 24 to move.

[0078] In some embodiments, the drying bottle can further include a partition plate 90. The partition plate 90 is fixedly arranged in the first variable volume chamber 101 and located at a predetermined distance below the pipeline outlet of the refrigerant inlet pipe 40, for blocking the refrigerant flowing out of the pipeline outlet of the refrigerant inlet pipe 40.

[0079] In the above embodiment, the partition plate 90 is provided with a fan-shaped protrusion. In this way, the fan-shaped protrusion can facilitate the dispersion of the airflow of the refrigerant and accelerate the flow of the refrigerant.

[0080] It is worth noting that, in the above example, a through hole can be provided on the partition plate 90 for the refrigerant upper outlet pipe 51 to pass through, so that the refrigerant upper outlet pipe 51 passes through the through hole to better fix the refrigerant upper outlet pipe 51.

[0081] In an alternative of the above embodiment, the drying bottle can further comprise a first connecting assembly 80. The first connecting assembly 80 is fixedly arranged on the shell 10 near the side of the accommodating cavity 100, and is used to fix the partition plate 90.

[0082] For example, when the shell 10 comprises a top cover 12, a shell body 11 and a base 13, the first connecting assembly 80 is fixed on the top cover 12.

[0083] It can be understood that the first connecting assembly 80 is a device with a fixing function, such as a pressing plate, a screw, etc.

[0084] In another alternative of the above embodiment, the partition plate 90 can be welded on the shell 10 near the side of the accommodating cavity 100. In this way, the partition plate 90 can be fixed without using the first connecting assembly 80, so as to save the cost of manufacturing the drying bottle.

[0085] In some embodiments, the drying bottle can be assembled by the following steps: 1. welding the limiting platform 70 on the shell body 11; 2. welding the refrigerant lower outlet pipe 52 with the second connecting assembly 81, then assembling and welding the piston assembly 21, and then assembling the drying agent 30; 3. placing the assembly completed in the step 2 into the assembly completed in the step 1, and welding the shell body 11 and the base 13; 4. assembling the top cover 12, the partition plate 90, the first connecting assembly 80 and the refrigerant upper outlet pipe 51; 5. welding and assembling the assembly completed in the step 4 with the assembly completed in the step 3, and then respectively assembling the refrigerant inlet pipe 40 and the fluid pipe 61.

[0086] The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable one skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments are merely representative of the possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be changed. Parts and features of some embodiments can be included in or replace parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A drying bottle characterized by, The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device.

2. The drying vial of claim 1, wherein, The application relates to a refrigerant drying device.

3. The drying vial of claim 2, wherein, The application relates to a refrigerant drying device.

4. The drying vial of claim 1, wherein, The application relates to a refrigerant drying device.

5. The drying vial of claim 1, wherein, The application relates to a refrigerant drying device.

6. The drying vial of claim 1, wherein, The application relates to a refrigerant drying device.

7. The drying vial of claim 1, wherein, The application relates to a refrigerant drying device.

8. The drying vial of claim 1, wherein, The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. 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The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying device. The application relates to a refrigerant drying 9. The drying vial of claim 1, wherein, The driving assembly comprises a memory alloy, one end of the memory alloy is connected with the bottom of the second variable volume chamber, the other end of the memory alloy is connected with the variable volume assembly, the memory alloy is deformed under the control of heating temperature and pressure in the first variable volume chamber to drive the variable volume assembly to move.

10. The drying vial of any one of claims 1 to 9, wherein, The drying bottle further comprises: A partition plate is fixedly arranged in the first variable volume chamber and located at a preset distance below the pipeline outlet of the refrigerant inlet pipe to block the refrigerant flowing out of the pipeline outlet of the refrigerant inlet pipe.

11. The drying vial of claim 10, wherein, The partition plate is provided with a fan-shaped protrusion.

12. The drying vial of claim 10, wherein, The drying bottle further comprises a first connecting assembly fixedly arranged on one side of the shell close to the accommodating cavity to fix the partition plate.

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