Refrigeration assembly and refrigeration range hood

Abstract

The application discloses a refrigeration assembly and a refrigeration range hood. The refrigeration assembly comprises a compressor, an evaporator and a condenser. The condenser comprises a main body and a shell arranged outside the main body. A sandwich layer is formed between the main body and the shell. The refrigeration assembly further comprises a lower water collecting tank for collecting condensed water generated by the evaporator and a water pump for pumping the condensed water in the lower water collecting tank into the sandwich layer to cool the condenser. The sandwich layer is in fluid communication between the lower water collecting tank and a water outlet pipe. Compared with the prior art, the application has the advantages that the condensed water is effectively utilized by circulating the condensed water, the limitation of the water collecting tank on the amount of the condensed water is avoided, the condenser can be cooled for a long time, and the refrigeration effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a refrigeration device, in particular to a refrigeration assembly, and a refrigeration range hood applying the refrigeration assembly. BACKGROUND

[0002] With the improvement of material life, people have higher and higher requirements for kitchen environment. People need to use stoves and other devices during cooking, and a large amount of heat is generated in the kitchen, which leads to an increase in the temperature of the entire space and a decrease in the comfort of the environment. At present, most families use temporary fans to solve this problem, but this method is not only inconvenient but also occupies kitchen space.

[0003] A range hood with refrigeration function has been disclosed in the prior art, which can blow cold air from the casing of the range hood to cool the kitchen. How to improve the heat dissipation effect of the condenser to improve the refrigeration efficiency is an important problem to be solved for such range hoods. A common method is to use condensate water. For example, the applicant's Chinese patent with the application number 202010154337.3 discloses an air conditioner type range hood, which includes an air conditioner assembly and a smoke suction assembly. The air conditioner assembly includes a compressor, a first heat exchanger and a second heat exchanger. The smoke suction assembly includes a fan frame and a smoke inlet cavity arranged below the fan frame. The first heat exchanger is a condenser, and the second heat exchanger is an evaporator. The air conditioner type range hood further includes a condensate water collecting device, which includes a water collecting tank. The condensate water can be sprayed to the condenser by a water pump for evaporation to improve the heat dissipation effect of the condenser. Due to the installation space, the capacity of the water collecting tank is small, and the water collecting tank can only function as a water collecting device, which has limited effect on improving the refrigeration effect. SUMMARY

[0004] The first technical problem to be solved by the present application is to provide a refrigeration assembly that can effectively utilize condensate water and improve the refrigeration effect.

[0005] The second technical problem to be solved by the present application is to provide a refrigeration range hood applying the above-mentioned refrigeration assembly.

[0006] The technical solution adopted by the present application to solve the first technical problem is as follows: a refrigeration assembly, comprising a compressor, an evaporator and a condenser, characterized in that:

[0007] The condenser comprises a main body and an outer shell arranged outside the main body, and a sandwich layer is formed between the main body and the outer shell;

[0008] The refrigeration assembly further comprises:

[0009] a lower water collecting tank for collecting condensate water generated by the evaporator; and

[0010] A water pump is arranged to pump the condensed water in the lower water collecting tank into the interlayer in fluid communication with the lower water collecting tank through the water outlet pipe.

[0011] By circulating the condensed water, the condensed water is effectively utilized, and the limitation of the water volume of the water collecting tank is avoided, so that the condenser can be cooled for a long time, and the refrigeration effect is improved.

[0012] Further, to cool the water after heat exchange with the condenser and then enter the lower water collecting tank, so as to avoid the water temperature in the lower water collecting tank being too high, the refrigeration assembly further comprises a distribution tank, the interlayer is connected to the distribution tank through the water outlet pipe, and the distribution tank is in fluid communication with the lower water collecting tank.

[0013] Preferably, the lower water collecting tank comprises a first water collecting tank arranged below the evaporator to receive the condensed water, and a second water collecting tank arranged in parallel with the first water collecting tank, and the first water collecting tank and the second water collecting tank are in fluid communication. In this way, the space of the refrigeration assembly can be fully utilized to provide more condensed water.

[0014] Preferably, the refrigeration assembly further comprises a first partition plate, the first water collecting tank and the second water collecting tank are respectively located on opposite sides of the first partition plate, and a notch is formed in the bottom of the first partition plate corresponding to the positions of the first water collecting tank and the second water collecting tank, so that the first water collecting tank and the second water collecting tank are in fluid communication.

[0015] According to one aspect of the present application, the distribution tank, the condenser and the first water collecting tank are located on the same side of the first partition plate, a first distribution hole is formed in the first partition plate corresponding to the position of the distribution tank, the first distribution hole is located above the second water collecting tank, so that the distribution tank is in fluid communication with the second water collecting tank. In this way, the air temperature on the side of the first partition plate which is not in contact with the condenser is lower, so that the water in the distribution tank can be cooled, and the water in the distribution tank has a lower temperature when entering the lower water collecting tank.

[0016] According to another aspect of the present application, the distribution tank is located above the first water collecting tank, the distribution tank and the first water collecting tank are separated by a second partition plate, the second partition plate constitutes the bottom of the distribution tank, and a second distribution hole is formed in the second partition plate so that the distribution tank is in fluid communication with the first water collecting tank.

[0017] Further, a impeller driven to rotate by the water flowing through the second distribution hole and fan blades linked with the impeller are arranged below the second partition plate, so that unpowered cooling can be achieved.

[0018] Preferably, the second distribution hole is offset relative to the impeller to facilitate the water flow to drive the impeller to rotate.

[0019] Preferably, in order to form more diversions after the water flows through the diversion channel and increase the contact heat dissipation area, the second diversion hole has at least two holes, which are arranged at intervals along a direction parallel to the impeller axis, and the diameter of the second diversion hole is 3 to 5 mm.

[0020] Furthermore, the compressor and condenser are connected via a first pipe, and the compressor and evaporator, as well as the evaporator and condenser, are connected via second pipes. The first and second pipes form a refrigerant passage, with a portion of the first pipe placed in a first water collection tank. Thus, the high-temperature gas exiting the compressor exhaust pipe is pre-cooled by the condensate, improving the condenser's heat dissipation effect.

[0021] The technical solution adopted by the present invention to solve the second technical problem mentioned above is: a refrigerated range hood, including a fume extraction component, characterized in that: it also includes a refrigeration component as described above.

[0022] Compared with the prior art, the advantages of the present invention are: by circulating the condensate, the condensate is effectively utilized, and the limitation of the condensate volume caused by the limitation of the water collection tank is avoided, thereby providing heat dissipation for the condenser for a long time and thus improving the cooling effect. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of a range hood according to the first embodiment of the present invention;

[0024] Figure 2 This is an exploded structural diagram of the range hood according to the first embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram showing the concealed housing of the fume extraction component and the cooling component of the range hood according to the first embodiment of the present invention.

[0026] Figure 4 This is a cross-sectional view (front and back section) of the cooling component of the range hood according to the first embodiment of the present invention;

[0027] Figure 5 This is a cross-sectional view (section and cross-section) of the cooling component of the range hood according to the first embodiment of the present invention. Figure 4 parallel);

[0028] Figure 6 This is a cross-sectional view (left-right cross-section) of the cooling component of the range hood according to the first embodiment of the present invention;

[0029] Figure 7 This is a cross-sectional view (section and cross-section) of the cooling component of the range hood according to the first embodiment of the present invention. Figure 6 parallel);

[0030] Figure 8 Cross-sectional view of the condenser of the refrigeration assembly of the range hood of the first embodiment of the present application;

[0031] Figure 9 Cross-sectional view of the refrigeration assembly of the second embodiment of the present application (left-right cross-section, seen from back to front);

[0032] Figure 10 Cross-sectional view of the refrigeration assembly of the second embodiment of the present application (left-right cross-section, seen from front to back);

[0033] Figure 11 Cross-sectional view of the refrigeration assembly of the second embodiment of the present application (front-back cross-section, seen from right to left);

[0034] Figure 12 Cross-sectional view of the refrigeration assembly of the second embodiment of the present application (front-back cross-section, seen from left to right);

[0035] Figure 13 Cross-sectional view of the refrigeration assembly of the second embodiment of the present application (front-back cross-section, seen from right to left); Figure 6 parallel);

[0036] Figure 14 Partial I enlarged schematic view of Figure 13

[0037] Figure 15 Schematic view of the impeller and fan blades of the refrigeration assembly of the second embodiment of the present application. DETAILED DESCRIPTION

[0038] Embodiments of the present application are described in detail below, examples of which are shown in the attached drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions.

[0039] ​In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the present application can be arranged in different directions, so these orientation-indicating terms are only illustrative and should not be regarded as limiting, such as "upper", "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity. In addition, the features defined as "first", "second" can be explicitly or implicitly included one or more features.

[0040] Embodiment one

[0041] Referring to Figures 1-8 A refrigeration range hood includes a fume suction assembly and a refrigeration assembly, wherein the fume suction assembly includes a first housing 11 and a fan 12 arranged in the first housing 11. In this embodiment, the fume suction assembly is shown in the form of a commonly used side suction range hood, which can alternatively be in any form of existing top suction, low suction, ceiling type, etc. The first housing 11 can be a combination of one or more housings.

[0042] The refrigeration assembly includes a second housing 21, a compressor 22, an evaporator 23, a condenser 24 and a cooling fan 25, wherein the second housing 21 is arranged above the first housing 11, and the compressor 22, the evaporator 23, the condenser 24 and the cooling fan 25 are arranged in the second housing 21, and a refrigerant passage is formed between the compressor 22, the evaporator 23 and the condenser 24.

[0043] The front side of the second housing 21, such as the position close to the top, is provided with a cold air outlet 211, and the evaporator 23 can be arranged near the cold air outlet 211. The cold air after heat exchange through the evaporator 23 is blown out from the cold air outlet 211 to the kitchen by the cooling fan 25, so as to provide a comfortable cooking environment temperature for the user. The other sides of the second housing 21, such as the left and right sides, are provided with air inlets 212 to supplement air (room temperature air) into the second housing 21.

[0044] The condenser 24 is in the shape of a hollow pipe, preferably a cylinder. In the oil fume flow path, the condenser 24 is arranged downstream of the fan 12 and is arranged longitudinally with both ends open. The lower end is connected to the outlet of the fan 12 through the air outlet cover 13. When the refrigeration assembly is in operation, the fan 12 of the oil fume suction assembly is started, and the air flow continuously passes through the inside of the condenser 24, thereby bringing the heat of the condenser 24.

[0045] The refrigeration assembly works according to the prior art. The first pipe 261 is connected between the compressor 22 and the condenser 24, and the second pipe 262 is connected between the compressor 22 and the evaporator 23 and between the evaporator 23 and the condenser 24, so that the refrigerant can flow in the circulation path formed by the compressor 22, the condenser 24, and the evaporator 23.

[0046] Since the evaporator 23 is located close to the top air outlet 211, the evaporator 23 is located relatively high. To facilitate the collection and utilization of the condensed water flowing from the evaporator 23, the refrigeration assembly further comprises a condensed water collection device, which comprises an upper water collecting tank 271 arranged below the evaporator 23, a first water collecting tank 272 arranged in the bottom of the second shell 21, and a second water collecting tank 273 arranged in the bottom of the second shell 21. The first water collecting tank 272 and the second water collecting tank 273 are lower water collecting tanks. Each water collecting tank is an integral structure with the second shell 21.

[0047] The second shell 21 is provided with a first partition 215. The upper water collecting tank 271 and the first water collecting tank 272 are located on the rear side of the first partition 215, and the second water collecting tank 273 is located on the front side of the first partition 215. A flow guide pipe 274 can be arranged at the upper water collecting tank 271. One end of the flow guide pipe 274 extends into the upper water collecting tank 271, preferably at the bottom of the upper water collecting tank 271, and the other end of the flow guide pipe 274 is located above the first water collecting tank 272. The bottom of the first partition 215 is provided with a gap 2151 corresponding to the positions of the first water collecting tank 272 and the second water collecting tank 273, so that the first water collecting tank 272 and the second water collecting tank 273 are in fluid communication.

[0048] Thus, the condensed water produced by the evaporator 23 falls into the upper water collecting tank 271 under the action of gravity, and the condensed water is guided to the first water collecting tank 272 through the flow guide pipe 274. The first pipe 261 is partially arranged in the second water collecting tank 273, and the portion arranged in the second water collecting tank 273 is preferably in the shape of a U. The high-temperature gas from the exhaust pipe of the compressor 22 is pre-cooled by the condensed water, so that the second water collecting tank 273 has continuous condensed water to pre-cool the refrigerant in the first pipe 261.

[0049] The condenser 24 comprises a hollow pipe-shaped main body 241 and an outer shell 243 covering the main body 241, a space between the main body 241 and the outer shell 243 forms a sandwich 244, oil fume passes through the space inside the main body 241, and a refrigerant passage 242 for the refrigerant is formed inside the pipe wall of the main body 241. The condenser 24 further comprises an inlet water pipe 245 and an outlet water pipe 246, the inlet water pipe 245 is connected to the top of the sandwich 244, and the outlet water pipe 246 is connected to the bottom of the sandwich 244, and both the inlet water pipe 245 and the outlet water pipe 246 are in fluid communication with the sandwich 244.

[0050] The condensate water collecting device further comprises a shunt groove 275 located adjacent to the second water collecting groove 273, and a water pump 276 for pumping the condensate water in the second water collecting groove 273 into the sandwich 244 of the condenser 24 to cool the condenser 24. The inlet water pipe 245 is connected to the water pump 276, the outlet water pipe 246 is connected to the shunt groove 275, the shunt groove 275 and the condenser 24 are located on the same side of the first partition plate 215, and the shunt groove 275 and the second water collecting groove 273 are located on opposite sides of the first partition plate 215, respectively.

[0051] A first shunt hole 2152 is formed in the first partition plate 215 corresponding to the position of the shunt groove 275, and the first shunt hole 2152 is located above the second water collecting groove 273. Thus, the heat-exchanged hot water from the sandwich 244 of the condenser 24 can be easily heat-exchanged with the air on the other side of the first partition plate 215 (the air on this side is relatively low in temperature because it does not contact the condenser), the cooled hot water flows into the second water collecting groove 273, and the condensate water from the evaporator 23 is collected to achieve secondary cooling, and the water after the secondary cooling is circulated by the water pump 276.

[0052] The bottom of the second water collecting groove 273 is provided with a water level limiting hole 2732, which is a through hole, and the lower end can be directly connected to an oil cup (not shown) of an oil smoke suction assembly through a hose. Because the refrigeration assembly is started and operated, the condensate water generated by the evaporator 23 is continuously collected into the second water collecting groove 273, and the water storage capacity of the second water collecting groove 273 meets the water consumption of the water cooling of the condenser 24, and the excess water flows into the oil cup through the hose after rising above the limiting hole 2732.

[0053] Embodiment Two

[0054] Reference Figures 9-15 In this embodiment, the difference from the above-mentioned embodiment one is that the shunt groove 275 is located above the first water collecting groove 272, and the length can be smaller than the first water collecting groove 272. The first water collecting groove 272 and the shunt groove 275 are separated by a second partition plate 278.

[0055] The second partition plate 278 constitutes the bottom of the flow separation groove 275, and the second flow separation hole 2781 is formed in the second partition plate 278. The impeller 291 and the fan blade 292 are coaxially arranged below the second partition plate 278, the axial direction of the impeller 291 is consistent with the length direction of the first water collecting groove 272, and in this embodiment, the axial direction is the left-right direction. The second flow separation hole 2781 can have at least two, and is arranged in parallel with the axial direction of the impeller 291. The second flow separation hole 2781 is not coincident with the axial direction of the impeller 291, but is offset relative to the impeller 291, the aperture of the second flow separation hole 2781 is greater than or equal to the size of the water droplet, and is preferably 3-5 mm. The flow separation hole in the form of a microchannel can separate the water into a fine water column, and more contact with air to dissipate heat. The second flow separation hole 2781 is not coincident with the axial direction of the impeller 291, so that when the water flows downward through the second flow separation hole 2781 to the impeller 291, the water can drive the impeller 291 to rotate by the gravity of the water, thereby driving the coaxial fan blade 292 to link, dissipating heat for the water flow flowing through the second flow separation hole 2781, and realizing unpowered cooling.

[0056] The "fluid communication" in the present application refers to the spatial position relationship between two components or parts (hereinafter collectively referred to as a first part and a second part), i.e. the fluid (gas, liquid or mixture of the two) can flow or / and be transported from the first part to the second part along the flow path. It can be directly connected between the first part and the second part, or indirectly connected between the first part and the second part through at least one third party, which can be a fluid passage such as a pipe, a channel, a conduit, a flow guide, a hole, a groove, etc., or a chamber allowing fluid flow or a combination thereof.

Claims

1. A refrigeration assembly comprising a compressor (22), an evaporator (23) and a condenser (24), characterized in that: the condenser (24) comprises a main body (241) and a shell (243) arranged outside the main body (241), a sandwich (244) being formed between the main body (241) and the shell (243); the refrigeration assembly further comprises: a lower water collecting tank for collecting condensate water generated by the evaporator (23); and a water pump (276) for pumping the condensate water in the lower water collecting tank into the sandwich (244) to cool the condenser (24), the sandwich (244) being in fluid communication with the lower water collecting tank through a water outlet pipe (246); the refrigeration assembly further comprises a distribution tank (275), the sandwich (244) being connected to the distribution tank (275) through the water outlet pipe (246), the distribution tank (275) being in fluid communication with the lower water collecting tank, the lower water collecting tank comprising a first water collecting tank (272) arranged below the evaporator (23) to receive the condensate water and a second water collecting tank (273) arranged in parallel with the first water collecting tank (272), the first water collecting tank (272) and the second water collecting tank (273) being in fluid communication; the refrigeration assembly further comprises a first partition plate (215), the first water collecting tank (272) and the second water collecting tank (273) being respectively located on opposite sides of the first partition plate (215), the first partition plate (215) being provided with a notch (2151) at a position corresponding to the first water collecting tank (272) and the second water collecting tank (273) at the bottom thereof, so that the first water collecting tank (272) and the second water collecting tank (273) are in fluid communication, the distribution tank (275), the condenser (24) and the first water collecting tank (272) being located on the same side of the first partition plate (215); the compressor (22) and the condenser (24) are connected through a first pipeline (261), the compressor (22) and the evaporator (23) and the evaporator (23) and the condenser (24) are connected through a second pipeline (262), the first pipeline (261) and the second pipeline (262) constitute a refrigerant passage, and part of the first pipeline (261) is arranged in the first water collecting tank (272).

2. The refrigeration assembly of claim 1, wherein: a first distribution hole (2152) is arranged on the first partition plate (215) at a position corresponding to the distribution tank (275), the first distribution hole (2152) being located above the second water collecting tank (273) so that the distribution tank (275) is in fluid communication with the second water collecting tank (273).

3. The refrigeration assembly of claim 1, wherein: the distribution tank (275) is located above the first water collecting tank (272), the distribution tank (275) and the first water collecting tank (272) being separated by a second partition plate (278), the second partition plate (278) constituting a bottom of the distribution tank (275), and the second partition plate (278) is provided with a second distribution hole (2781) so that the distribution tank (275) is in fluid communication with the first water collecting tank (272).

4. The refrigeration assembly of claim 3, wherein: A lower portion of the second partition (278) is provided with an impeller (291) rotating by water flowing through second flow holes (2781) and fan blades (292) linked with the impeller (291).

5. The refrigeration assembly of claim 4, wherein: The second flow holes (2781) are offset relative to the impeller (291).

6. The refrigeration assembly of claim 4, wherein: The second flow holes (2781) are at least two and are arranged in parallel with the axis of the impeller (291), and the aperture of the second flow holes (2781) is 3-5mm.

7. A refrigerant extraction hood comprising an extraction hood assembly, characterised in that: Also included is the refrigeration assembly of any one of claims 1-6. Also included is the refrigeration assembly of any one of claims 1-6.

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