A box-type heat exchange device

Abstract

The present invention discloses a box-type heat exchange device, comprising a box body and a heat exchange core installed in the box body; a heat exchange channel is formed in the box body, and the heat exchange channel includes a plurality of first through holes extending through the heat exchange core; the box body includes a first side panel having an indoor air supply port and an indoor air return port, and one end of the first through hole is connected to the indoor air supply port, and the other end is connected to the indoor air return port. In the box-type heat exchange device of the present invention, the indoor air supply port and the indoor return port are provided on the same side panel of the box body, which can effectively shorten the length of the pipeline between the indoor room and the box body, which is equivalent to reducing the wind resistance of the pipeline, thereby reducing the power consumption of the fan.

Description

Technical Field

[0001] The present invention relates to the field of air conditioning, and in particular to a box-type heat exchange device. Background Art

[0002] The heat exchange device includes a box body and a heat exchange core arranged in the box body. Indoor air enters the box body through a pipe and flows through the heat exchange core to complete heat exchange.

[0003] In the prior art, the indoor return air inlet through which indoor air enters the box is set at one end of the box, and the indoor supply air inlet through which the indoor air flows out of the box after passing through the heat exchange core is set at the other end of the box. As a result, when installing the air conditioner, the installer needs to install the first pipe connecting to the indoor space on the indoor return air inlet, and then needs to go around the box half a circle to install the second pipe connecting to the indoor space on the indoor supply air inlet. This increases the total length of the first pipe and the second pipe, making the flow resistance of the indoor air greater, which is equivalent to increasing the energy consumption of the fan driving the air to circulate in the first pipe and the second pipe.

[0004] In view of this, it is necessary to set up a box-type heat exchange device to reduce the energy consumption of the fan. Summary of the Invention

[0005] The object of the present invention is to provide a box-type heat exchange device to further reduce the energy consumption of the fan.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] A box-type heat exchange device comprises a box body and a heat exchange core installed in the box body;

[0008] A heat exchange channel is formed in the box body, and the heat exchange channel includes a plurality of first through holes penetrating the heat exchange core;

[0009] The box body includes a first side plate provided with an indoor air supply port and an indoor air return port, and one end of the first through hole is connected to the indoor air supply port, and the other end is connected to the indoor air return port.

[0010] Optionally, an external air channel separated from the heat exchange channel is further formed in the box body, the external air channel includes a plurality of second through holes penetrating the heat exchange core, and the plurality of first through holes and the plurality of second through holes are cross-arranged;

[0011] The box body further includes a second side plate with an outdoor air inlet and a third side plate with an outdoor air outlet. One end of the second through hole is connected to the outdoor air inlet, and the other end is connected to the outdoor air outlet.

[0012] Optionally, the second side panel and the third side panel are both adjacent to the first side panel, and the second side panel and the third side panel are both perpendicular to the first side panel.

[0013] Optionally, the box body further includes a fourth side panel opposite to the second side panel, and the third side panel is a top panel of the box body;

[0014] The outdoor air inlet and / or the outdoor air outlet are provided on the fourth side panel.

[0015] Optionally, the box body further includes a fifth side panel opposite to the first side panel, and the outdoor air inlet and / or the outdoor air outlet is provided on the fifth side panel.

[0016] Optionally, the outdoor air inlet and / or the outdoor air outlet are further provided on the first side panel.

[0017] Optionally, the heat exchange core is at least two rhombus-shaped cores arranged in parallel, and the apex corners of two adjacent rhombus-shaped cores are connected to each other;

[0018] The first side of the diamond-shaped core comprises a first inner facet and a first outer facet, and the second side of the diamond-shaped core comprises a second inner facet and a second outer facet;

[0019] The first through hole is defined between the first inner edge surface and the second inner edge surface, and the second through hole is defined between the first outer edge surface and the second outer edge surface.

[0020] Optionally, a partition assembly for separating the heat exchange channel and the external air channel is provided in the box body.

[0021] Optionally, the box-type heat exchange device further includes a supplementary cooling device, the supplementary cooling device including a condenser and a spray device both arranged in the external air channel, and an evaporator arranged in the heat exchange channel;

[0022] The condenser is arranged between the heat exchange core and the outdoor air outlet, and the evaporator is located between the heat exchange core and the indoor air outlet;

[0023] The spray device includes a nozzle and a water baffle, the nozzle is installed between the condenser and the heat exchange core, the water baffle is arranged between the nozzle and the outdoor air outlet, and several fans are installed in the outdoor air outlet and / or the indoor air supply outlet.

[0024] Optionally, the plurality of fans are arranged in a staggered manner;

[0025] A partition plate for preventing cross-wind is provided between two adjacent fans, and both ends of the partition plate are respectively connected to the brackets of the two adjacent fans.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] In this embodiment, by optimizing the structure, the indoor air supply outlet and the indoor return air outlet are both arranged on the first side panel of the box body. The air flow can enter the box body from the indoor return air outlet, flow through the first channel to complete heat exchange, and then return to the room from the indoor air supply outlet; the indoor air supply outlet and the indoor return air outlet are opened on the same side panel, which can effectively shorten the length of the pipeline between the indoor room and the box body, which is equivalent to reducing the wind resistance of the pipeline, thereby reducing the power consumption of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] The structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportional relationships, or adjustments in size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and objectives that can be achieved by the present invention.

[0030] Figure 1 A schematic structural diagram of the box-type heat exchange device provided in an embodiment of the present invention with the second side plate hidden;

[0031] Figure 2 for Figure 1 AA cross-sectional structural diagram in;

[0032] Figure 3 A schematic cross-sectional view of another box-type heat exchange device provided by an embodiment of the present invention;

[0033] Figure 4 A schematic cross-sectional view of a third box-type heat exchange device provided in an embodiment of the present invention;

[0034] Figure 5 A schematic diagram of the arrangement structure of several fans provided in an embodiment of the present invention.

[0035] Illustrations: 1. Box body; 101. Indoor air supply outlet; 102. Indoor return air outlet; 10. Heat exchange channel; 11. First side panel; 12. Second side panel; 13. Third side panel; 14. Fourth side panel; 15. Fifth side panel; 16. Partition assembly; 2. Heat exchange core; 20. External air channel; 201. Outdoor air inlet; 202. Outdoor air outlet; 21. Diamond core; 211. First inner edge; 212. First outer edge; 213. Second inner edge; 214. Second outer edge; 3. Supplementary cooling device; 31. Condenser; 32. Evaporator; 331. Nozzle; 332. Water baffle; 4. Partition plate; 5. Fan. DETAILED DESCRIPTION

[0036] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally located component.

[0038] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0039] An embodiment of the present invention provides a box-type heat exchanger. By optimizing the structure, the indoor air supply outlet 101 and the indoor return air outlet 102 are both opened on the first side panel 11. After moving the box body 1 so that the first side panel 11 faces the room, the total length of the pipe connecting the room to the box body 1 can be effectively reduced, and the wind resistance caused by the pipe between the room and the box body 1 is reduced, thereby achieving the effect of reducing the energy consumption of the fan.

[0040] See also Figures 1 to 4The box-type heat exchange device includes a box body 1, in which a heat exchange core 2 is mounted. A heat exchange channel 10 and an external air channel 20 are formed within the box body. The heat exchange channel 10 is a channel for indoor air circulation, while the external air channel 20 is a channel for fresh air from the outside. The heat exchange channel 10 includes a plurality of first through-holes extending through the heat exchange core 2, and the external air channel 20 includes a plurality of second through-holes extending through the heat exchange core 2. The plurality of first through-holes and the plurality of second through-holes are arranged in a crosswise pattern. Fresh air flowing through the second through-holes effectively removes heat from the gas in the heat exchange channel 10, completing the heat exchange.

[0041] In this embodiment, the housing 1 further includes a second side panel 12 having an outdoor air inlet 201 and a third side panel 13 having an outdoor air outlet 202. One end of the first through hole connects to the indoor air supply 101, and the other end connects to the indoor air return 102. One end of the second through hole connects to the outdoor air inlet 201, and the other end connects to the outdoor air outlet 202. The third side panel 13 can be perpendicular or parallel to the second side panel 12. In this embodiment, the third side panel 13 is adjacent to the second side panel 12 and is perpendicular to the second side panel 12.

[0042] It is worth noting that the box-type heat exchange device needs to be installed with a first pipe and a second pipe in order to be put into use. Among them, the first pipe is used to connect the indoor space and the indoor return air outlet 102, and the second pipe is used to connect the indoor space and the indoor supply air outlet 101, so that the indoor air can circulate in the heat exchange channel 10 for heat exchange. In this embodiment, by opening both the indoor supply air outlet 101 and the indoor return air outlet 102 on the first side panel 11, the total length of the first pipe and the second pipe is reduced, and the pipe wind resistance to the indoor air is reduced, thereby achieving the purpose of reducing the power consumption of the fan; in addition, because the wind resistance is reduced, more gas flows through the first through hole per unit time, effectively improving the heat exchange effect of the heat exchange core 2.

[0043] In another specific embodiment, the second side panel 12 and the third side panel 13 are both adjacent to the first side panel 11, and the second side panel 12 and the third side panel 13 are both perpendicular to the first side panel 11. It is worth noting that at this time, whether it is the outdoor air inlet 201 or the outdoor air outlet 202, the area thereof can be set to be larger to increase the amount of outside air entering the external air channel 20, thereby effectively improving the heat exchange efficiency of the heat exchange core 2. In addition, it should be noted that since the outdoor air outlet 202 and the outdoor air inlet 201 are on different side panels, the outside air discharged from the outdoor air outlet 202 will basically not return to the external air channel 20 again, that is, the air entering the external air channel 20 is air with a lower temperature, thereby further improving the heat exchange efficiency of the heat exchange core 2.

[0044] In another specific embodiment, see Figure 3The box body 1 also includes a fourth side panel 14 opposite to the second side panel 12, and the third side panel 13 is the top panel of the box body 1; the fourth side panel 14 is also provided with an outdoor air inlet 201. At this time, the outdoor air enters the external air channel 20 from both sides of the box body 1, and then the heat-exchanged external air is discharged from the top of the box body 1, which further increases the air intake of the outdoor air inlet 201, which is beneficial to further improve the heat exchange effect of the heat exchange core 2. Alternatively, an outdoor air outlet 202 can be provided on the fourth side panel 14 to improve the exhaust capacity, which also has the effect of improving the heat exchange effect of the heat exchange core 2. Alternatively, an outdoor air inlet 201 and an outdoor air outlet 202 can be provided on the fourth side panel 14 at the same time to increase the heat exchange air volume of the external air channel 20.

[0045] Optionally, the box body 1 also includes a fifth side panel 15 opposite to the first side panel 11. According to actual needs, an outdoor air outlet 202 and / or an outdoor air outlet 202 can be provided on the fifth side panel 15 to increase the heat exchange air volume of the external air channel 20 and improve the heat exchange efficiency of the box-type heat exchange device.

[0046] Optionally, the first side panel 11 is further provided with an outdoor air inlet 201 and / or an outdoor air outlet 202, which can effectively save installation space and facilitate the placement of more box-type heat exchange devices in a smaller space.

[0047] Optionally, the heat exchange core 2 is at least two rhombus-shaped cores 21 arranged in parallel, and the apex corners of two adjacent rhombus-shaped cores 21 are connected to each other;

[0048] The first side of the rhombus core 21 includes a first inner facet 211 and a first outer facet 212 , and the second side of the rhombus core 21 includes a second inner facet 213 and a second outer facet 214 ;

[0049] A first through hole is defined between the first inner edge surface 211 and the second inner edge surface 213 , and a second through hole is defined between the first outer edge surface 212 and the second outer edge surface 214 .

[0050] It is worth noting that all diamond cores 21 can be arranged in parallel horizontally, vertically, or in other parallel arrangements. Specifically, compared to the existing series-type heat exchange core structure, the parallel arrangement of diamond cores 21 can effectively reduce wind resistance, improve heat exchange efficiency, and reduce the operating energy consumption of the fan.

[0051] Optionally, a partition assembly 16 for separating the heat exchange channel 10 and the external air channel 20 is provided in the box body 1.

[0052] It should be noted that the heat exchange core 2 may include two or more diamond-shaped cores 21; the partition assembly 16 is used to distinguish the heat exchange channel 10 from the external air channel 20. When different numbers of diamond-shaped cores 21 are installed in the housing 1, the shape and installation position of the partition assembly 16 need to be reasonably set to meet the purpose of distinguishing the heat exchange channel 10 from the external air channel 20.

[0053] Optionally, the box-type heat exchange device further includes a supplementary cooling device 3, which includes a condenser 31 and a spray device both disposed in the external air channel 20, and an evaporator 32 disposed in the heat exchange channel 10;

[0054] The condenser 31 is arranged between the heat exchange core 2 and the outdoor air outlet 202, and the evaporator 32 is located between the heat exchange core 2 and the indoor air supply outlet 101; the spray device includes a nozzle 331 and a water baffle 332, the nozzle 331 is installed between the condenser 31 and the heat exchange core 2, the water baffle 332 is arranged between the nozzle 331 and the outdoor air outlet 202, and several fans are installed in the outdoor air outlet 202 and / or the indoor air supply outlet 101.

[0055] It is worth noting that the supplemental cooling device 3 also includes a compressor connected to the evaporator 32 and condenser 31, respectively. During actual operation, if the ambient temperature is too high and the heat exchange efficiency of the heat exchange core 2 cannot meet the design requirements, the supplemental cooling device 3 is activated, and the nozzle 331 of the spray device sprays water onto the heat exchange core 2 to cool it. If this still cannot meet the indoor cooling requirements, the compressor is activated to cause the evaporator 32 to cool the indoor air in the heat exchange channel 10, so that the indoor air flowing through the heat exchange core 2 is cooled below the set temperature. It should also be noted that the water baffle 332 has the ability to dry and absorb moisture; on the one hand, the water baffle 332 can constitute a protection for the fan 5 to prevent the evaporated high-humidity water vapor from being brought into the fan 5 in the outdoor air outlet 202 along with the heat exchange air flow, which can effectively improve the working environment of the fan 5 in the outdoor air outlet 202, reduce the risk of failure of electronic components of the fan 5 in the outdoor air outlet 202, and help to extend the service life of the fan 5; on the other hand, the setting of the water baffle 332 can improve the working environment of the condenser 31, avoid high-humidity water vapor from directly impacting the heat exchange fins on the condenser 31, reduce the corrosion rate of the heat exchange fins, and extend the service life of the condenser 31.

[0056] Optionally, a plurality of fans 5 are arranged at intervals and staggered; a partition plate 4 is provided between two adjacent fans 5 to prevent cross-wind.

[0057] It is worth noting that the partition plates 4 separate the two adjacent fans 5 , which can effectively prevent the adjacent fans 5 from cross-blowing each other, thereby facilitating the formation of a stable heat exchange airflow.

[0058] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A box-type heat exchange device, characterized in that: It comprises a box body (1) and a heat exchange core (2) installed in the box body (1); A heat exchange channel (10) is formed in the box body (1), and the heat exchange channel (10) includes a plurality of first through holes penetrating the heat exchange core (2); The box body (1) comprises a first side plate (11) provided with an indoor air supply port (101) and an indoor air return port (102), and one end of the first through hole is connected to the indoor air supply port (101), and the other end is connected to the indoor air return port (102); An external air channel (20) separated from the heat exchange channel (10) is further formed in the box body (1), the external air channel (20) comprising a plurality of second through holes penetrating the heat exchange core (2), and the plurality of first through holes and the plurality of second through holes are arranged crosswise; The box body (1) further comprises a second side plate (12) provided with an outdoor air inlet (201) and a third side plate (13) provided with an outdoor air outlet (202); one end of the second through hole is connected to the outdoor air inlet (201), and the other end is connected to the outdoor air outlet (202); The box body (1) further includes a fourth side plate (14) opposite to the second side plate (12), and the third side plate (13) is the top plate of the box body (1); The outdoor air inlet (201) and / or the outdoor air outlet (202) are provided on the fourth side plate (14); The box body (1) further comprises a fifth side panel (15) opposite to the first side panel (11), and the fifth side panel (15) is provided with the outdoor air inlet (201) and / or the outdoor air outlet (202); The first side panel (11) is further provided with the outdoor air inlet (201) and / or the outdoor air outlet (202); The heat exchange core (2) is at least two rhombus-shaped cores (21) arranged in parallel in a transverse direction, and the apex angles of two adjacent rhombus-shaped cores (21) are connected to each other; The first side of the rhombus core (21) includes a first inner facet (211) and a first outer facet (212), and the second side of the rhombus core (21) includes a second inner facet (213) and a second outer facet (214); The first through hole is provided between the first inner edge surface (211) and the second inner edge surface (213), and the second through hole is provided between the first outer edge surface (212) and the second outer edge surface (214).

2. The box-type heat exchange device according to claim 1, characterized in that: The second side panel (12) and the third side panel (13) are both adjacent to the first side panel (11), and the second side panel (12) and the third side panel (13) are both perpendicular to the first side panel (11).

3. The box-type heat exchange device according to claim 1, characterized in that: A partition assembly (16) for separating the heat exchange channel (10) and the external air channel (20) is provided in the box body (1).

4. The box-type heat exchange device according to claim 1, characterized in that: The system further comprises a supplementary cooling device (3), wherein the supplementary cooling device (3) comprises a condenser (31) and a spray device both arranged in the external air channel (20), and an evaporator (32) arranged in the heat exchange channel (10); The condenser (31) is arranged between the heat exchange core (2) and the outdoor air outlet (202), and the evaporator (32) is located between the heat exchange core (2) and the indoor air supply outlet (101); The spray device comprises a spray head (331) and a water baffle (332), wherein the spray head (331) is installed between the condenser (31) and the heat exchange core (2), and the water baffle (332) is arranged between the spray head (331) and the outdoor air outlet (202), and a plurality of fans (5) are installed in the outdoor air outlet (202) and / or the indoor air supply outlet (101).

5. The box-type heat exchange device according to claim 4, characterized in that: The plurality of fans (5) are arranged in staggered intervals; A partition plate (4) for preventing cross-wind is provided between two adjacent fans (5), and both ends of the partition plate (4) are respectively connected to the brackets of the two adjacent fans (5).

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