Refrigeration system and cold beverage machine

Abstract

Provided are a refrigeration system and a cold beverage machine. The refrigeration system comprises a compressor (4), a condensing assembly (3), a throttling member (6), an evaporator (7), and refrigeration piping (5); the refrigeration piping (5) comprises a first communication pipe (51), a second communication pipe (52), and a third communication pipe (53); an outlet of the compressor (4) is in communication with an inlet of a condensing pipe (332) of the condensing assembly (3) by means of the first communication pipe (51); an outlet of the condensing pipe (332) of the condensing assembly (3) is in communication with an inlet of the throttling member (6); an outlet of the throttling member (6) is in communication with an inlet of the evaporator (7) by means of the second communication pipe (52); an outlet of the evaporator (7) is in communication with an inlet of the compressor (4) by means of the third communication pipe (53); and the second communication pipe (52) is wound around the surface of the third communication pipe (53). The refrigeration system has a compact layout, thereby improving the space utilization of the refrigeration piping.

Description

Refrigeration system and cold drink machine TECHNICAL FIELD

[0001] The utility model relates to ice making equipment field especially relates to a refrigeration system and cold drink machine. BACKGROUND

[0002] Ice cubes are usually obtained by refrigeration through a refrigeration system in a cold drink machine, and then the ice cubes are post-processed through other mechanisms. The refrigeration system of the cold drink machine mainly has a compressor, a condenser, a throttling element and an evaporator assembly, and the components are connected through refrigeration pipelines. However, since the evaporator is located in the refrigeration cavity, the pipeline between the evaporator and other components is relatively long, which can easily lead to pipeline disorder and excessive occupation of the space of the cold drink machine.

[0003] SUMMARY

[0004] The utility model discloses in order to solve the defects of prior art provides a refrigeration system and cold drink machine can make the refrigeration system layout is more compact, avoided the problem that pipeline disorder appears in the refrigeration system, effectively improved the space utilization of refrigeration pipeline.

[0005] In order to solve the above technical problems, the utility model provides a refrigeration system, including compressor, condensing assembly, throttling piece, evaporator and refrigeration pipeline, the refrigeration pipeline includes first communication pipe, second communication pipe and third communication pipe, the outlet of compressor is communicated with the condensing pipe entrance of condensing assembly through first communication pipe, the condensing pipe export of condensing assembly is communicated with the inlet of throttling piece, the outlet of throttling piece is communicated with the inlet of evaporator through second communication pipe, the outlet of evaporator is communicated with the inlet of compressor through third communication pipe, wherein, second communication pipe is wound on the surface of third communication pipe.

[0006] Among them, the second communication pipe is spiral wound on the third communication pipe, the winding radius of the second communication pipe is greater than the diameter of the third communication pipe, and the winding spacing of the second communication pipe is greater than the diameter of the second communication pipe.

[0007] Among them, the surface of the third communication pipe is provided with temperature insulation piece, and the second communication pipe is wound on the temperature insulation piece.

[0008] Among them, the second communication pipe is capillary, and the cross-sectional area of the inner wall surface of the throttling piece outlet section gradually decreases along the flow direction of fluid.

[0009] The evaporator is provided with an evaporating pipeline, the inlet of the evaporating pipeline is communicated with the outlet of the second communicating pipeline, the outlet of the evaporating pipeline is communicated with the third communicating pipeline, the diameter of the evaporating pipeline is smaller than the diameter of the second communicating pipeline, and the cross-sectional area of the inlet section of the evaporating pipeline gradually increases along the flow direction of fluid.

[0010] The cross-sectional area of the outlet section of the first communicating pipeline gradually decreases along the flow direction of fluid.

[0011] The filter is arranged between the inlet of the throttling member and the outlet of the condensing pipeline of the condensing assembly.

[0012] The refrigeration system further comprises:

[0013] The base is provided with a mounting bracket, the condensing assembly is mounted on the mounting bracket, and the mounting bracket is used for suspending the condensing assembly on the base.

[0014] The base is further provided with a supporting base, a gap is formed between the supporting base and the base, and the compressor is mounted on the supporting base.

[0015] Correspondingly, the utility model further provides a cold drink machine, comprising a refrigeration cavity, a control system and the refrigeration system of any one of the above, the evaporator is arranged in the refrigeration cavity, the compressor, the condensing assembly and the evaporator are connected with the control system.

[0016] The utility model has the advantages that:

[0017] The refrigeration system provided in the embodiment is connected with the compressor, the condensing assembly, the throttling member and the evaporator in sequence through the refrigeration pipeline, so that the refrigeration system forms a refrigeration cycle. When arranging the refrigeration pipeline, the second communicating pipeline is wound on the surface of the third communicating pipeline under the condition that the length of the second communicating pipeline is fixed, and the second communicating pipeline and the third communicating pipeline are integrated in one space, so that the total volume occupation of the refrigeration pipeline in the space can be effectively reduced, the refrigeration system layout can be more compact, the problem of pipeline disorder in the refrigeration system is avoided, and the space utilization rate of the refrigeration pipeline is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a connection structure schematic view of the refrigeration system of the utility model;

[0019] Fig. 2 is a connection structure schematic view between the evaporating pipeline and the second communicating pipeline of the utility model;

[0020] Fig. 3 is a connection structure schematic view between the throttling member and the second communicating pipeline of the utility model;

[0021] Fig. 4 is a three-dimensional structural schematic diagram of the condenser body of the present application;

[0022] Fig. 5 is a three-dimensional structural schematic diagram of the air cooling piece of the present application;

[0023] Fig. 6 is a three-dimensional structural schematic diagram of the mounting bracket of the present application. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings. It is hereby declared that the up, down, left, right, front, back, inner and outer directions appearing or about to appear in the present application in the text are based on the drawings of the present application, and are not specific limitations on the present application.

[0025] The refrigeration system provided by the present application can make the layout of the refrigeration system more compact, avoid the problem of disordered pipelines in the refrigeration system, and effectively improve the space utilization rate of the refrigeration pipeline 5.

[0026] In one specific embodiment of the present application, as shown in Fig. 1, the refrigeration system comprises a compressor 4, a condensing assembly 3, a throttling piece 6, an evaporator 7 and a refrigeration pipeline 5, the refrigeration pipeline 5 comprises a first communication pipe 51, a second communication pipe 52 and a third communication pipe 53, the outlet of the compressor 4 is communicated with the inlet of the condensing pipe 332 of the condensing assembly 3 through the first communication pipe 51, the outlet of the condensing pipe 332 of the condensing assembly 3 is communicated with the inlet of the throttling piece 6, the outlet of the throttling piece 6 is communicated with the inlet of the evaporator 7 through the second communication pipe 52, and the outlet of the evaporator 7 is communicated with the inlet of the compressor 4 through the third communication pipe 53; wherein the second communication pipe 52 is wound on the surface of the third communication pipe 53.

[0027] The refrigeration system provided by the present embodiment is communicated with the compressor 4, the condensing assembly 3, the throttling piece 6 and the evaporator 7 in sequence through the refrigeration pipeline 5, so as to form a refrigeration cycle. When arranging the refrigeration pipeline 5, in the case that the length of the second communication pipe 52 is fixed, the second communication pipe 52 and the third communication pipe are integrated in one space by winding the second communication pipe 52 on the surface of the third communication pipe 53, which can effectively reduce the total volume occupation of the refrigeration pipeline 5 in the space, so as to make the layout of the refrigeration system more compact, avoid the problem of disordered pipelines in the refrigeration system, and effectively improve the space utilization rate of the refrigeration pipeline 5.

[0028] In addition, when the refrigeration system is working, vibration noise may be generated in the refrigeration pipeline 5 due to fluid flow or other vibration reasons. By winding the second communication pipe 52 on the third communication pipe 53, the anti-vibration capability of the second communication pipe 52 and the third communication pipe 53 as a whole can be enhanced, so as to reduce the noise generated by the refrigeration pipeline 5 due to vibration when working.

[0029] In this embodiment, as shown in FIG. 1, the second communication pipe 52 is spirally wound on the third communication pipe 53, the winding radius of the second communication pipe 52 is greater than the diameter of the third communication pipe 53, and the winding pitch of the second communication pipe 52 is greater than the diameter of the second communication pipe 52. Further, when the second communication pipe 52 is wound on the third communication pipe 53, the second communication pipe 52 can maintain a certain radius of curvature at the bending position, ensuring that the bending position can be smoothly transitioned, thereby reducing the turbulence of the refrigerant fluid at the bending position of the second communication pipe 52, to improve the stability of the fluid flowing in the second communication pipe 52, and to ensure that the fluid will not be blocked by the bending position.

[0030] It should be noted here that the winding pitch and winding radius of the second communication pipe 52 can be analyzed with the aid of fluid dynamics software or other simulation tools to predict the fluid flow and pressure distribution in the pipe, to ensure the stability of the fluid flow.

[0031] Further, since the low-temperature and low-pressure refrigerant liquid flows in the second communication pipe 52, and the low-temperature and low-pressure refrigerant gas flows in the third communication pipe 53, there can be a certain temperature difference between the two refrigerant media. To avoid heat exchange between the refrigerant liquid in the second communication pipe 52 and the refrigerant gas in the third communication pipe 53, and to reduce the refrigerating capacity of the refrigerant liquid on the evaporator 7, the surface of the third communication pipe 53 is provided with a temperature isolation member, and the second communication pipe 52 is wound on the temperature isolation member, so that the second communication pipe 52 and the third communication pipe 53 are not in contact with each other, so that the refrigerant liquid in the second communication pipe 52 will not exchange heat with the refrigerant gas in the third communication pipe 53, thereby ensuring that the refrigerating capacity of the refrigerant liquid on the evaporator 7 will not be affected by the temperature of the refrigerant gas in the third communication pipe 53, and ensuring the refrigerating efficiency of the refrigerant on the evaporator 7.

[0032] Preferably, the temperature isolation member is made of rubber heat-insulating material, so as to insulate the heat while buffering the second communication pipe 52, to avoid the deformation of the second communication pipe 52 or the third communication pipe 53 after winding.

[0033] As shown in FIG. 1 and FIG. 3, the second communication pipe 52 is a capillary tube, which, together with the throttling device 6, functions as a throttling pressure reducer in the refrigeration system to ensure that the refrigerant entering the evaporator 7 remains in a low-temperature and low-pressure state. The throttling device 6 is preferably an expansion valve. The cross-sectional area of the inner wall surface of the outlet section of the throttling device 6 gradually decreases along the flow direction of the fluid, so as to facilitate the communication between the capillary tube and the outlet section of the throttling device 6. Moreover, due to the gradual decrease of the cross-sectional area of the inner wall surface of the outlet section of the throttling device 6, when the refrigerant liquid flows through the outlet section of the throttling device 6, the flow rate of the refrigerant liquid gradually increases along the flow direction of the fluid, and a negative pressure is formed at the inlet of the capillary tube, so as to further increase the flow rate of the refrigerant liquid in the capillary tube, thereby reducing the residence time of the refrigerant liquid in the capillary tube, further avoiding the heat exchange between the refrigerant liquid and other media, and further ensuring the refrigeration efficiency of the evaporator 7.

[0034] In this embodiment, as shown in FIG. 1 and FIG. 2, the evaporator 7 is provided with an evaporating pipe 71, the inlet of the evaporating pipe 71 is in communication with the outlet of the second communication pipe 52, the outlet of the evaporating pipe 71 is in communication with the third communication pipe 53, the diameter of the evaporating pipe 71 is smaller than that of the second communication pipe 52, and the cross-sectional area of the inlet section of the evaporating pipe 71 gradually increases along the flow direction of the fluid. Then, when the refrigerant liquid flows through the inlet section of the evaporating pipe 71, the flow rate of the refrigerant liquid gradually decreases along the flow direction of the fluid, thereby prolonging the residence time of the refrigerant liquid in the evaporating pipe 71, so as to ensure that the refrigerant liquid can sufficiently absorb heat and vaporize in the evaporating pipe 71, and form low-temperature and low-pressure refrigerant gas, thereby ensuring the refrigeration effect of the evaporator 7 on the heat exchange medium.

[0035] For example, the evaporator 7 is arranged in the ice-making cavity of a cold drink machine, the evaporating pipe 71 is wound on the inner wall surface of the evaporator 7, the refrigerant liquid in the evaporating pipe 71 exchanges heat with the liquid heat exchange medium such as water in the refrigeration cavity through the wall surface of the evaporator 7, the low-temperature and low-pressure refrigerant liquid vaporizes after sufficiently absorbing heat, forms low-temperature and low-pressure refrigerant gas, and is output from the third communication pipe 53 at the outlet of the evaporating pipe 71, and converts the liquid heat exchange medium such as water into solid medium, so as to realize the ice-making function of the cold drink machine.

[0036] In this embodiment, after the low-temperature and low-pressure refrigerant gas is input into the compressor 4 from the evaporator 7, the low-temperature and low-pressure refrigerant gas is converted into high-temperature and high-pressure refrigerant gas by the action of the compressor 4, and then the refrigerant gas is output from the compressor 4 through the first communication pipe 51. In order to shorten the transmission time of the refrigerant gas between the compressor 4 and the condensing assembly 3, the cross-sectional area of the outlet section of the first communication pipe 51 gradually decreases along the flow direction of the fluid, so that the outlet section of the first communication pipe 51 forms a negative pressure area, thereby increasing the flow rate of the refrigerant gas input into the condensing assembly 3, and realizing the shortening of the transmission time of the refrigerant gas in the first communication pipe 51.

[0037] In the embodiment, the high-temperature and high-pressure refrigerant gas is condensed into liquid refrigerant by the condensing assembly 3, and then the liquid refrigerant is throttled and depressurized in the throttling device 6. In order to avoid that the impurities in the refrigerant liquid damage the throttling device 6, a filter is arranged between the inlet of the throttling device 6 and the outlet of the condensing pipe 332 of the condensing assembly 3, so as to intercept and remove the impurities in the refrigerant liquid by the filter, ensure that the refrigerant liquid flowing into the throttling device 6 can be in a relatively clean state, and thus protect the throttling device 6 from being damaged by the impurities.

[0038] In the embodiment, as shown in FIGS. 1, 4-6, the refrigeration system further comprises a base 1, the base 1 is provided with a mounting bracket 2, and the condensing assembly 3 is mounted on the mounting bracket 2. The mounting bracket 2 is used to suspend the condensing assembly 3 on the base 1, so as to increase the contact area between the condenser as a whole and the flowing air, improve the heat exchange efficiency between the condenser and the air, and thus improve the condensing effect of the condenser.

[0039] Specifically, as shown in FIGS. 4 and 6, the mounting bracket 2 is formed with at least one first connecting group, the first connecting group comprises one clamping groove 211 and two threaded holes 212, and the two threaded holes 212 are respectively distributed on the two sides of the clamping groove 211. Meanwhile, the condensing assembly 3 is formed with at least one second connecting group, the second connecting group comprises one buckle 311 and two connecting holes 312, and the two connecting holes 312 are respectively distributed on the two sides of the clamping groove 211. The buckle 311 is correspondingly clamped with the clamping groove 211, and each connecting hole 312 is threadedly connected with the corresponding threaded hole 212 through a connecting bolt.

[0040] Further, when the condensing assembly 3 is mounted on the mounting bracket 2, the positioning effect of the buckle 311 and the clamping groove 211 can be used to determine the mounting position of the condensing assembly 3 on the mounting bracket 2. Then, the condensing assembly 3 is locked and fixed on the mounting bracket 2 through the connecting bolt, so as to realize the convenience of mounting the condensing assembly 3 on the mounting bracket 2, and also ensure the connection stability between the condensing assembly 3 and the mounting bracket 2.

[0041] Further, as shown in FIG. 6, the side wall of the mounting bracket 2 is formed with a support plate 22, the support plate 22 is located below the first connecting group, the condensing assembly 3 is provided with an outer extension plate 32, the outer extension plate 32 faces the mounting bracket 2, the second connecting group is formed on the outer extension plate 32, and the support plate 22 abuts against the lower part of the outer extension plate 32.

[0042] It can be understood that the condensing assembly 3 is connected with the mounting bracket 2 through the outer extension plate 32. The outer extension plate 32 is supported by the support plate 22, and the gravity of the condensing assembly 3 can act on the mounting bracket 2 through the support plate 22 in addition to the connecting structure, thereby preventing the gravity of the condensing assembly 3 from concentrating on the connecting structure and causing deformation or damage of the connecting structure, improving the supporting capacity of the mounting bracket 2 to the condensing assembly, and effectively ensuring the stability and reliability of the connection between the condensing assembly 3 and the mounting bracket 2.

[0043] In the process of connecting the condensing assembly 3 and the mounting bracket 2 through the buckle 311 and the clamping groove 211, a first interval distance is formed between the clamping groove 211 and the base 1, and a second interval distance is formed between the clamping groove 211 and the bottom of the condensing assembly 3, and the first interval distance is greater than the second interval distance, so that a gap can be formed between the bottom of the condensing assembly 3 and the base 1 after the condensing assembly 3 is installed on the mounting bracket 2, and the condensing assembly 3 can be suspended and installed on the base 1 and the mounting bracket 2.

[0044] As shown in FIGS. 4 and 5, the condensing assembly 3 includes a condenser body 33 and an air cooling member 34, and the second connecting member is arranged on the condenser body 33 to connect the condenser body 33 to the mounting bracket 2. The air cooling member 34 is installed on the side of the condenser body 33 facing the mounting bracket 2, and the air cooling member 34 forms an air outlet area in which the condenser body 33 is located. Then, the air cooling member 34 can provide a flowing cooling air flow for the condenser body 33, and the cooling air flow can exchange heat with the refrigerant gas in the condenser body 33 to increase the heat exchange efficiency between the cooling air flow and the refrigerant gas in the condenser body 33, thereby improving the condensing efficiency of the condenser body 33. The air cooling member 34 is preferably a heat dissipation fan.

[0045] The condenser body 33 includes a mounting plate 331, a condenser pipe 332, and a plurality of heat dissipation fins 333. The mounting plate 331 is detachably connected to the mounting bracket 2, the plurality of heat dissipation fins 333 are arranged on the side of the mounting plate 331 away from the mounting bracket 2 in a direction parallel to the base 1, and the condenser pipe 332 is inserted into the plurality of heat dissipation fins 333 in a serpentine shape. When the flowing air flows through the condenser body 33, more turbulence and vortex are formed in the flowing air due to the blocking of the heat dissipation fins 333, thereby increasing the contact area between the condenser pipe 332 and the flowing air and enhancing the convective heat exchange between the air and the condenser, so that the flowing air can continue to exchange heat with the condenser pipe 332 more fully, and the condensing efficiency of the condenser body 33 is further improved.

[0046] In order to facilitate the installation between the air cooling part 34 and the condenser body 33, as shown in Figures 4 and 5, the side of the installation plate 331 facing the air cooling part 34 is provided with positioning columns 334 and at least one installation hole 335, and the side of the air cooling part 34 facing the installation plate 331 is provided with a plurality of positioning holes 341, wherein the positioning columns 334 are adapted to be inserted into a part of the positioning holes 341, and the installation hole 335 is detachably connected with another part of the positioning holes 341 through a fastener. Preferably, the fastener is a stud or a bolt. Through the cooperation between the positioning holes 341 and the positioning columns 334, the accurate positioning of the air cooling part 34 on the installation plate 331 can be ensured, the human error in the installation process is effectively reduced, and the installation quality between the air cooling part 34 and the installation plate 331 is improved.

[0047] Further, as shown in Figure 1, the base 1 is also provided with a support base 41, and a gap is formed between the support base 41 and the base 1, and the compressor 4 is installed on the support base 41. Further, the vibration generated when the compressor 4 works can also be buffered through the support base 41, so that the resonance of the condensing assembly 3, the compressor 4 and the base 1 when the refrigeration system works can be avoided, and the noise generated by the vibration when the refrigeration system works is reduced.

[0048] Correspondingly, the utility model also provides a cold drink machine, the cold drink machine includes a refrigeration cavity, a control system and the refrigeration system of any one of the above-mentioned embodiments, the evaporator 7 is arranged in the refrigeration cavity, and the compressor 4, the condensing assembly 3 and the evaporator 7 are connected with the control system. Since the cold drink machine includes the above-mentioned refrigeration system, the cold drink machine also has all the beneficial effects of the above-mentioned refrigeration system, which will not be repeated here.

[0049] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, several improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements are also considered to be within the protection scope of the utility model.

Claims

1. A refrigeration system characterized by, The refrigeration system comprises a compressor, a condensing assembly, a throttling device, an evaporator and a refrigeration pipeline, the refrigeration pipeline comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, the outlet of the compressor is connected with the inlet of the condensing pipe of the condensing assembly through the first connecting pipe, the outlet of the condensing pipe of the condensing assembly is connected with the inlet of the throttling device, the outlet of the throttling device is connected with the inlet of the evaporator through the second connecting pipe, and the outlet of the evaporator is connected with the inlet of the compressor through the third connecting pipe; wherein the second connecting pipe is wound on the surface of the third connecting pipe.

2. The refrigeration system of claim 1, wherein, The second connecting pipe is spirally wound on the third connecting pipe, the winding radius of the second connecting pipe is greater than the diameter of the third connecting pipe, and the winding pitch of the second connecting pipe is greater than the diameter of the second connecting pipe.

3. The refrigeration system of claim 2, wherein, The surface of the third connecting pipe is provided with a temperature insulation piece, and the second connecting pipe is wound on the temperature insulation piece.

4. The refrigeration system of claim 2, wherein, The second connecting pipe is a capillary tube, and the cross-sectional area of the inner wall surface of the outlet section of the throttling device gradually decreases along the flow direction of the fluid.

5. The refrigeration system of claim 1, wherein, The evaporator is provided with an evaporating pipeline, the inlet of the evaporating pipeline is connected with the outlet of the second connecting pipe, the outlet of the evaporating pipeline is connected with the third connecting pipe, the diameter of the evaporating pipeline is smaller than the diameter of the second connecting pipe, and the cross-sectional area of the inlet section of the evaporating pipeline gradually increases along the flow direction of the fluid.

6. The refrigeration system of claim 1, wherein, The cross-sectional area of the outlet section of the first connecting pipe gradually decreases along the flow direction of the fluid.

7. The refrigeration system of claim 1, wherein, A filter is arranged between the inlet of the throttling device and the outlet of the condensing pipe of the condensing assembly.

8. The refrigeration system of claim 1, wherein, Further comprising: A base is provided with a mounting bracket, the condensing assembly is mounted on the mounting bracket, and the mounting bracket is used for suspending the condensing assembly on the base.

9. The refrigeration system of claim 8, wherein, The base is further provided with a supporting base, a gap is formed between the supporting base and the base, and the compressor is mounted on the supporting base.

10. A cold beverage machine characterized by The refrigeration system comprises a refrigeration cavity, a control system and the refrigeration system according to any one of claims 1 to 9, the evaporator is arranged in the refrigeration cavity, and the compressor, the condensing assembly and the evaporator are connected with the control system.

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