Efficient heat exchange device for range hood

Abstract

The efficient heat exchange device comprises a body, a plurality of sets of finned tubes are arranged in the body, the inlet ends of the finned tubes are connected with a transduction tank, and a compressor inputs a refrigerant into the transduction tank from the inlet end and then inputs the refrigerant into the finned tubes; the outlet end of the finned tube is connected with a compressor. The transduction tank exchanges heat and cools the output refrigerant, and the cooled refrigerant is input into the finned tube; a filter and a liquid separator are arranged between the transduction tank and the finned tube, a refrigerant is filtered by the filter and then enters the liquid separator, and the liquid separator inputs the filtered refrigerant into the finned tube through the first capillary tube. According to the efficient heat exchange device for the range hood, filtered refrigerants are input into the finned tubes through the first capillary tubes by the liquid separator, flow division and flow stabilization are conducted through the liquid separator, the flow of the refrigerants entering the finned tubes is roughly consistent, the cooling effect of oil smoke passing through the heat exchange device is good, and then the oil smoke purification efficiency is improved.

Description

Technical Field

[0001] The present application relates to the relevant technical field of range hoods, and in particular to a high-efficiency heat exchange device for range hoods. Background Art

[0002] There are many ways to cook food, and the emission components are complex and varied, with high viscosity and difficult to clean. Affected by many factors such as cooking oil, cooking methods, dishes, and cuisines, the oil smoke emitted by the catering service industry is a complex organic waste gas with large air volume, low concentration, oily sticky particles, and high water vapor, which can hardly be completely purified.

[0003] The oil stains adsorbed by the electric field on the inner wall surface of the traditional oil fume removal device are not easy to clean, which affects the adsorption of oil fume particles after long-term use and reduces the oil fume removal effect. In addition, the previous oil fume removal device does not have a pre-treatment function. When the oil fume temperature is too high, the purification effect is not ideal, and it is easy to cause damage to the honeycomb electrode in the oil fume removal device. In order to solve the problem that the purification effect is not ideal when the oil fume temperature is too high, various refrigeration range hoods are disclosed in the prior art. On the basis of the range hood platform, an air conditioning component is added. The compressor, condenser and evaporator are connected through a refrigerant pipeline. The refrigeration range hood can realize all the functions of the range hood and the function of the air conditioner, cool down the high-temperature oil fume, and then purify the oil fume after cooling, with a better treatment effect.

[0004] However, the refrigerant in the heat exchange device of this type of refrigeration range hood is unevenly distributed, and the oil fume cooling effect after the heat exchange device is not good. The cooling temperature of some oil fumes is low, and the cooling effect of some oil fumes is not achieved, resulting in poor oil fume heat exchange effect, which in turn affects the oil fume purification efficiency and the oil fume purification effect. Summary of the invention

[0005] In order to overcome the problems existing in the related art, the present application provides a high-efficiency heat exchange device for a range hood, in which the refrigerant is evenly distributed and the heat exchange effect is good, thereby achieving high oil fume purification efficiency.

[0006] The present application provides a high-efficiency heat exchange device for a range hood, comprising: a main body, wherein a plurality of groups of fin tubes are arranged in the main body, wherein the inlet ends of the fin tubes are connected to an energy conversion tank, and the compressor inputs the refrigerant from the inlet end into the energy conversion tank first and then into the fin tubes; the outlet ends of the fin tubes are connected to the compressor, and the energy conversion tank performs heat exchange on the output refrigerant, and then inputs the refrigerant into the compressor after passing through the fin tubes; a filter and a liquid separator are arranged between the energy conversion tank and the inlet end, and the refrigerant enters the liquid separator after being filtered by the filter, and the liquid separator inputs the filtered refrigerant into the fin tubes through a first capillary tube.

[0007] In the above-mentioned high-efficiency heat exchange device for range hoods, the liquid distributor is provided with a liquid distributor head, and the liquid distributor head is provided with a plurality of liquid distributor channels, and the liquid distributor channels are distributed divergently with the central axis of the liquid distributor head as the center.

[0008] In the above-mentioned high-efficiency heat exchange device for range hood, the filter and the liquid distributor are connected via a purification connecting short tube.

[0009] In the above-mentioned high-efficiency heat exchange device for a range hood, the filter is connected to a second capillary tube, the second capillary tube is connected to the compressor, and the refrigerant of the compressor enters the filter through the second capillary tube.

[0010] In the above-mentioned high-efficiency heat exchange device for a range hood, a protection frame is provided outside the main body, and the protection frame is arranged around the main body.

[0011] In the above-mentioned high-efficiency heat exchange device for a range hood, a fixing plate is provided on the protection frame, a plurality of through holes are provided on the fixing plate, and the finned tubes are inserted through the through holes.

[0012] In the above-mentioned high-efficiency heat exchange device for a range hood, the multiple groups of fin tubes are provided with a plurality of U-shaped tubes, and the U-shaped tubes are connected through elbows.

[0013] In the above-mentioned high-efficiency heat exchange device for a range hood, the side edge of the fixing plate is flanged, the flange forms a protection groove, and the elbow of the fin tube is arranged in the protection groove.

[0014] In the above-mentioned high-efficiency heat exchange device for a range hood, the fin tube is provided with a wave-shaped cooling fin, and the wave-shaped cooling fin is arranged obliquely.

[0015] In the above-mentioned high-efficiency heat exchange device for a range hood, a liquid outlet pipe is provided between the outlet end and the energy conversion tank, a plurality of air nozzles are provided on the liquid outlet pipe, and the outlet end is communicated with the air nozzles.

[0016] The technical solution provided by the present application may include the following beneficial effects: the high-efficiency heat exchange device for the range hood uses a filter to filter impurities in the refrigerant, so that the refrigerant is not easily blocked when entering the capillary tube or circulating, and the circulation is smooth. In addition, the liquid separator inputs the filtered refrigerant into the fin tube through the first capillary tube, and uses the liquid separator to divide and stabilize the flow, so that the flow rate of the refrigerant entering the fin tube is roughly consistent, so that the oil fume passing through the heat exchange device has a good cooling effect, thereby improving the efficiency of oil fume purification.

[0017] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0019] Figure 1 It is a structural schematic diagram of a high-efficiency heat exchange device for a range hood shown in an embodiment of the present application;

[0020] Figure 2 This is one of the partial structural decomposition diagrams of the high-efficiency heat exchange device for the range hood shown in the embodiment of the present application;

[0021] Figure 3 This is the second schematic diagram of partial structural decomposition of the high-efficiency heat exchange device shown in the embodiment of the present application;

[0022] Figure 4 It is a schematic cross-sectional view of a part of the structure of a high-efficiency heat exchange device shown in an embodiment of the present application;

[0023] Figure 5 It is a schematic diagram of the structure of the liquid separator of the high-efficiency heat exchange device shown in the embodiment of the present application.

[0024] Figure ID:

[0025] Main body 1; heat exchange chamber 11; mesh shell 12;

[0026] Protection frame 2; fixing plate 21; through hole 211; protection groove 212; side plate 22;

[0027] Fin tube 3; inlet end 31; outlet end 32; wave-shaped cooling fin 33; U-shaped tube 34; elbow 35;

[0028] Filter 4;

[0029] Liquid distributor 5; liquid distributor head 51; liquid distributor channel 511;

[0030] Purification connecting short pipe 6;

[0031] A first capillary tube 7;

[0032] A second capillary tube 8;

[0033] Liquid outlet pipe 9; gas nozzle 91;

[0034] Compressor 200;

[0035] Transducer tank 300. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0037] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0038] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0039] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0040] See also Figures 1 to 4 A high-efficiency heat exchange device for a range hood comprises: a body 1, wherein a plurality of fin tubes 3 are arranged in the body 1, wherein the inlet end 31 of the fin tube 3 is connected to a transducer tank 300, wherein the compressor 200 inputs the refrigerant from the inlet end 31 into the transducer tank 300 and then into the fin tube 3. The outlet end 32 of the fin tube 3 is connected to the compressor 200, wherein the transducer tank 300 performs heat exchange and cooling on the output refrigerant, and first inputs the refrigerant into the fin tube 3 and then into the compressor 200. This high-efficiency heat exchange device for a range hood is a surface air cooler, wherein the oil smoke passes through the body 1 and the surface of the fin tube 3, thereby cooling the oil smoke and achieving the purpose of cooling the oil smoke.

[0041] See also Figures 1 to 4The body 1 is provided with a heat exchange chamber 11, and the fin tube 3 is partially located in the heat exchange chamber 11. The oil smoke enters the heat exchange chamber 11 and then exchanges heat in the heat exchange chamber 11 to achieve a cooling effect. The fin tube 3 is provided with a wave-shaped cooling fin 33, and the wave-shaped cooling fin 33 is tilted. The wave-shaped cooling fin 33 is arranged in the heat exchange chamber 11 to increase the contact area between the oil smoke and the fin tube 3 and to extend the contact time between the oil smoke and the fin tube 3, so that the cooling effect of the oil smoke is better. The wave-shaped cooling fin 33 is tilted. In this embodiment, the wave-shaped cooling fin 33 is tilted downward. When the oil smoke passes through the wave-shaped cooling fin 33, the oil smoke will be blocked, so that the oil in the oil smoke will adhere to the wave-shaped cooling fin 33 and flow to the oil collecting pan, so that the wave-shaped cooling fin 33 has the function of blocking oil.

[0042] In this embodiment, a mesh shell 12 is provided outside the heat exchange chamber 11, and the oil smoke enters the heat exchange chamber 11 through the mesh shell for heat exchange, and then is emitted from the shell on the other side after heat exchange.

[0043] See also Figures 1 to 4 A filter 4 and a liquid separator 5 are provided between the energy conversion tank 300 and the inlet end 31. The refrigerant is filtered by the filter 4 and then enters the liquid separator 5. The liquid separator 5 inputs the filtered refrigerant into the fin tube 3 through the first capillary 7. The liquid separator 5 divides the refrigerant so that the refrigerant enters the fin tube 3 evenly, so that the temperature in the heat exchange cavity 11 is even, and the cooling effect is better. Figure 5 The liquid separator 5 is provided with a liquid separator head 51, and the liquid separator head 51 is provided with a plurality of liquid separator channels 511, and the liquid separator channels 511 are distributed divergently with the central axis of the liquid separator head 51 as the center. The arrangement of the liquid separator channels 511 makes the flow rate of each liquid separator channel 511 the same, the flow rate is stable, the flow rate entering the fin tube 3 is consistent, and the cooling capacity is roughly consistent, so that the heat exchange effect of the oil smoke passing through the fin tube 3 in the heat exchange cavity 11 is better. The filter 4 is used to filter impurities in the refrigerant, so that the refrigerant entering the tube flows more smoothly and is not easy to be blocked, thereby making its cooling effect better.

[0044] See also Figures 1 to 4 The filter 4 is connected to the liquid separator 5 through a purification connecting short pipe 6, so that the filtered refrigerant enters the liquid separator 5 after buffering, and the diversion effect is better.

[0045] See also Figures 1 to 4The filter 4 is connected to the second capillary tube 8, the second capillary tube 8 is in communication with the energy conversion tank 300, and the refrigerant in the energy conversion tank 300 enters the filter 4 through the second capillary tube 8. The second capillary tube 8 is used for reducing pressure, replacing the traditional expansion valve, so that the refrigerant entering the filter 4 has a low pressure and can be filtered more fully, so that impurities can be better filtered out.

[0046] See also Figures 1 to 4 The main body 1 is provided with a protective frame 2 outside, and the protective frame 2 is arranged around the main body 1 to avoid collision and protect the main body 1. At the same time, the high-efficiency heat exchange device for the range hood is more beautiful. At the same time, it is closer to the mounting plate during installation and more stable, so that it is more stable and less noisy during operation. Furthermore, a fixing plate 21 is provided on the protective frame 2, and a plurality of through holes 211 are provided on the fixing plate 21, and the fin tubes 3 are inserted into the through holes 211. Multiple groups of the fin tubes 3 are provided with a plurality of U-shaped tubes 34, and the U-shaped tubes 34 are connected through elbows 35. The side of the fixing plate 21 is flanged, and the flange forms a protective groove 212. The elbow 35 of the fin tube 3 is arranged in the protective groove 212, which is both beautiful and can protect the connection of the fin tube 3 from collision, and has a better service life. In this embodiment, the protection frame 2 is surrounded by a fixing plate 21 and a side plate 22 to protect the side of the body 1 from collision and to fix the fin tubes 3 so that the fin tubes 3 are distributed in a matrix. The protection groove 212 is provided to protect the fin tubes 3 so that the fin tubes 3 are not collided and damaged, and at the same time, the fin tubes 3 are more beautiful and easier to install.

[0047] See also Figures 1 to 4 A liquid outlet pipe 9 is provided between the outlet end 32 and the compressor 200, and a plurality of air nozzles 91 are provided on the liquid outlet pipe 9, and the outlet end 32 is connected to the air nozzles 91. In this embodiment, the liquid outlet pipe 9 is a main pipe, and the air nozzles 91 gather the refrigerants of various paths on the main pipe. One end of the main pipe is connected to the energy conversion tank 300, and the other end is sealed. It is worth noting that the air nozzles 91 are welded to the outlet end 32 of the fin tube 3, so that the two can be more firmly connected.

[0048] See also Figures 1 to 4 In this embodiment, the energy conversion tank 300 is a heating tank, and the energy conversion tank 300 has an independent water inlet for heating water. The refrigerant flowing out of the heat exchange chamber 11 enters the compressor 200.

[0049] In this embodiment, three groups of finned tubes 3 are arranged in the heat exchange chamber 11, with 3 inlets and 3 outlets, forming an independent system. Each system is independent and related, and maintenance is convenient.

[0050] This kind of high-efficiency heat exchange device for range hoods cools down high-temperature oil smoke and separates oil and water vapor. This kind of high-efficiency heat exchange device for range hoods uses a filter 4 to filter impurities in the refrigerant, so that the refrigerant is not easily blocked when passing through the capillary or circulating, and the circulation is smooth. In addition, the liquid separator 5 inputs the filtered refrigerant into the fin tube 3 through the first capillary 7, and uses the liquid separator 5 to divide and stabilize the flow, so that the flow rate of the refrigerant entering the fin tube 3 is roughly consistent, so that the oil smoke passing through the heat exchange device has a good cooling effect, thereby improving the efficiency of oil smoke purification.

[0051] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A high-efficiency heat exchange device for a range hood, characterized in that: include: A body, wherein a plurality of fin tubes are arranged in the body, wherein the inlet end of the fin tubes is connected to the energy conversion tank, and the compressor first inputs the refrigerant from the inlet end into the energy conversion tank and then into the fin tubes; The outlet end of the finned tube is connected to a compressor, and the energy conversion tank exchanges heat for the output refrigerant, which is then input into the compressor. A filter and a liquid separator are provided between the compressor and the inlet end. The refrigerant enters the liquid separator after being filtered by the filter. The liquid separator inputs the filtered refrigerant into the fin tube through the first capillary tube.

2. The high-efficiency heat exchange device for a range hood according to claim 1, characterized in that: The liquid distributor is provided with a liquid separation head, and the liquid separation head is provided with a plurality of liquid separation channels, and the liquid separation channels are distributed divergently with the central axis of the liquid separation head as the center.

3. The high-efficiency heat exchange device for a range hood according to claim 1, characterized in that: The filter is connected to the liquid dispenser via a purification connecting short tube.

4. The high-efficiency heat exchange device for a range hood according to claim 1, characterized in that: The filter is connected to a second capillary tube, the second capillary tube is communicated with the compressor, and the refrigerant of the compressor enters the filter through the second capillary tube.

5. The high-efficiency heat exchange device for a range hood according to claim 1, characterized in that: A protection frame is arranged outside the main body, and the protection frame is arranged around the main body.

6. The high-efficiency heat exchange device for a range hood according to claim 5, characterized in that: The protection frame is provided with a fixing plate, the fixing plate is provided with a plurality of through holes, and the fin tubes are inserted through the through holes.

7. The high-efficiency heat exchange device for a range hood according to claim 6, characterized in that: The multiple groups of fin tubes are provided with multiple U-shaped tubes, and the U-shaped tubes are connected through elbows.

8. The high-efficiency heat exchange device for a range hood according to claim 7, characterized in that: The side edge of the fixing plate is flanged to form a protection groove, and the elbow of the fin tube is arranged in the protection groove.

9. The high-efficiency heat exchange device for a range hood according to claim 1, characterized in that: The fin tube is provided with a wave-shaped cooling fin, and the wave-shaped cooling fin is arranged obliquely.

10. The high-efficiency heat exchange device for a range hood according to claim 1, characterized in that: A liquid outlet pipe is provided between the outlet end and the compressor, a plurality of air nozzles are provided on the liquid outlet pipe, and the outlet end is communicated with the air nozzles.

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