Heating and ventilation equipment and host

Abstract

The utility model relates to heating and ventilation equipment and a host. The host comprises a domestic hot water tank; the water pump is connected with the domestic hot water tank; the double-pipe heat exchanger surrounds the periphery of the water pump and is connected with the water pump and the domestic hot water tank, and the water pump is used for conveying water in the domestic hot water tank to the double-pipe heat exchanger for heat exchange. The main machine is provided with the annular double-pipe heat exchanger, at least part of the water pump can be contained in the containing space of the double-pipe heat exchanger, and the water pump is connected with the double-pipe heat exchanger, so that the space can be fully utilized, and miniaturization design of the overall size of the main machine is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of HVAC, in particular to HVAC equipment and a host. Background Art

[0002] With the continuous advancement of technology, people have higher and higher requirements for living environment. HVAC equipment is favored by more and more manufacturers and users because it can solve the energy crisis to a certain extent. In order to improve the integration of the host in HVAC equipment, it is considered to build the domestic hot water tank into the host, but this will increase the size of the host accordingly. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an improved host, and further provide an improved HVAC equipment.

[0004] The technical solution adopted by the utility model to solve the technical problem is: construct a host, including:

[0005] Domestic hot water tank;

[0006] A water pump connected to the domestic hot water tank;

[0007] The shell and tube heat exchanger surrounds the water pump and is respectively connected to the water pump and the domestic hot water tank. The water pump is used to transport water in the domestic hot water tank to the shell and tube heat exchanger for heat exchange.

[0008] In some embodiments, the shell and tube heat exchanger includes at least two annular rings, and a gap is left between the annular rings and the water pump.

[0009] In some embodiments, a domestic hot water tank is further included, wherein the domestic hot water tank has a bottom end, the shell and tube heat exchanger and the water pump are arranged below the bottom end, and the water pump is connected to the domestic hot water tank.

[0010] In some embodiments, the shell and tube heat exchanger includes a water inlet, and the water inlet is connected to a water pump.

[0011] In some embodiments, the invention comprises a casing and an outdoor heat exchanger, wherein a receiving cavity is formed inside the casing;

[0012] The accommodating cavity includes a first cavity and a second cavity, and the first cavity is at least partially arranged side by side with the second cavity in a horizontal direction;

[0013] The domestic hot water tank, the shell and tube heat exchanger and the water pump are arranged in the first cavity;

[0014] The domestic hot water tank is arranged along the height direction of the first cavity;

[0015] The outdoor heat exchanger is disposed in the second cavity.

[0016] In some embodiments, the height of the first cavity is greater than the height of the second cavity;

[0017] The height of the domestic hot water tank is greater than the height of the second cavity.

[0018] In some embodiments, a partition and a water collecting tray are further provided in the casing; the length of the partition is smaller than the height of the accommodating cavity so as to separate the accommodating cavity into the first cavity and the second cavity; the water collecting tray is connected to the partition and cooperates with the partition to define the second cavity.

[0019] In some embodiments, the main machine also includes an electrical control box, a plate heat exchanger, a plate heat exchanger water pump, and / or an expansion tank, and the electrical control box, the plate heat exchanger, the plate heat exchanger water pump, and / or the expansion tank are arranged in the first cavity and separated from the second cavity by the water receiving tray.

[0020] In some embodiments, the host further includes a compressor, and the shell and tube heat exchanger includes a refrigerant inlet, and the refrigerant inlet is connected to the compressor.

[0021] The utility model also provides a HVAC device, comprising the host described in the utility model.

[0022] The implementation of the HVAC equipment and host of the utility model has the following beneficial effects: the host can fully utilize the space and is conducive to the miniaturization design of the overall volume of the host by arranging the shell and tube heat exchanger and surrounding it around the water pump and connecting it to the water pump and the shell and tube heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0024] Figure 1 This is a schematic diagram of the main structure of the HVAC equipment in the first embodiment of the utility model;

[0025] Figure 2 yes Figure 1 A schematic diagram of the local structure of the host shown;

[0026] Figure 3 yes Figure 2 An enlarged schematic diagram of the local structure of the host shown;

[0027] Figure 4 yes Figure 2 A schematic diagram of the structure of the host's domestic hot water tank connected to a water pump;

[0028] Figure 5It is a schematic diagram of the partial structure of the host in the second embodiment of the utility model. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0030] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installation", "connection", "fixation", "setting", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0031] Figure 1 to Figure 2 The first embodiment of the HVAC equipment of the utility model is shown. The HVAC equipment is a trigeneration or digeneration equipment. In this embodiment, the HVAC equipment may include a host. In this embodiment, the host may be an outdoor unit. The HVAC equipment has the advantages of reasonable layout, compact structure, and miniaturization design.

[0032] like Figures 1 to 3 As shown, in this embodiment, the main unit may include a housing 1 and a domestic hot water tank 2. The housing 1 may be used to accommodate the domestic hot water tank 2 and other functional components. In this embodiment, the domestic hot water tank 2 may be a domestic hot water tank, which may be used to store domestic hot water or a water source to be heated.

[0033] In this embodiment, the housing 1 may include a first end plate 11, a second end plate 12, and a panel structure 13. In this embodiment, the first end plate 11 and the second end plate 12 may be arranged opposite to each other. The panel structure 13 may be arranged between the first end plate 11 and the second end plate 12. The panel structure 13 may be connected and fixed to the first end plate 11 and the second end plate 12 by setting a screw assembly. In this embodiment, the housing 1 may also include a side plate 14, a back plate 15, a partition plate 16, a water receiving tray 17, etc. The side plate 14 may be arranged between the first end plate 11 and the second end plate 12 and located on one side of the first end plate 11 and the second end plate 12. The back plate 15 is arranged between the first end plate 11 and the second end plate 12 and is arranged opposite to a part of the panel structure 13. The first end plate 11, the second end plate 12, the panel structure 13, the side plate 14, and the back plate 15 may define a receiving chamber 10 for accommodating the domestic hot water tank 2 and other functional components.

[0034] The partition 16 can be arranged in the accommodating cavity 10 and connected to the panel structure 13 and the back plate 15, and can be used to divide the accommodating cavity 10 into a first cavity 10a and a second cavity 10b in the horizontal direction. The first cavity 10a is at least partially arranged side by side with the second cavity 10b in the horizontal direction, wherein the first cavity 10a can be used to accommodate the domestic hot water tank 2. The second cavity 10b can be used to accommodate the outdoor heat exchanger. The water receiving pan 17 is arranged in the housing 1 and is arranged parallel to the first end plate 11, and the length is less than the length of the first end plate 11. It is connected to the partition 16 and defines the second cavity 10b together, so that the height of the first cavity 10a can be greater than the height of the second cavity 10b. The first cavity 10a can be roughly L-shaped, and the part thereof that exceeds the second cavity 10b extends to the bottom of the second cavity 10b, that is, between the water receiving pan 17 and the first end plate 11. In this embodiment, the cross section of the first cavity 10a can be roughly rectangular. The cross section of the second cavity 10b may be substantially rectangular.

[0035] In this embodiment, the panel structure 13 may include a first panel 131, a second panel 132, a decorative member 133 and a grille plate 134. The first panel 131 and the second panel 132 may be spliced ​​to form a large panel. The first panel 131 is arranged corresponding to the first cavity 10a, and it defines the first cavity 10a with the first end plate 11, part of the second end plate 12, and the partition 16. The second panel 132 may be arranged corresponding to the second cavity 10b, and it defines the second cavity 10b with the partition 16, part of the second end plate 12 and part of the side plate 14. The decorative member 133 is arranged at the joint of the first panel 131 and the second panel 132, which can cover the connection structure between the first panel 131 and the second panel 132, play a decorative role, and make the overall appearance more beautiful. In this embodiment, the first panel 131 and the second panel 132 can be fixed by snapping, and the decorative member 133 can be snapped with the first panel 131 and / or the second panel 132, so that the three can be connected together, and the screw installation process can be saved, the installation process of the panel structure 13 can be simplified, and the installation cost can be reduced. The second panel 132 can be provided with an air guide port 1321, and the air guide port 1321 can be connected to the second cavity 10b to guide the wind in the second cavity 10b out. The grille plate 134 can be provided on the second panel 132 and cover the air guide port 1321.

[0036] In this embodiment, the domestic hot water tank 2 can be arranged in the first cavity 10a along the height direction of the first cavity 10a, and has an axial direction. The axial direction of the domestic hot water tank 2 is the same direction as the height direction of the first cavity 10a. In this embodiment, the domestic hot water tank 2 can be a columnar structure. Specifically, the cross-section of the domestic hot water tank 2 can be roughly circular. In this embodiment, the domestic hot water tank 2 has a bottom end 2a and a top end 2b that are relatively arranged in the axial direction, wherein the bottom end 2a can be arranged toward the first end plate 11, and it is spaced apart from the first end plate 11. The top end 2b can be arranged toward the second end plate 12.

[0037] The domestic hot water tank 2 may include a columnar inner tank and a heat-insulating structure sleeved on the outer periphery of the inner tank, wherein the inner tank is a hollow structure, and the interior can be used to store water, such as hot water. In this embodiment, the inner tank may be made of stainless steel or duplex steel. The heat-insulating structure may be used to keep the water in the inner tank warm. In this embodiment, the heat-insulating structure may be heat-insulating cotton. Of course, it is understandable that in some other embodiments, the domestic hot water tank 2 may also be a single-layer structure.

[0038] like Figure 2 and Figure 4 As shown, in this embodiment, the domestic hot water tank 2 may be provided with a return water port 21 for conveying water in the domestic hot water tank 2 to the shell and tube heat exchanger 4 and a hot water inlet 22 for inputting hot water. The return water port 21 may be located at the bottom end 2a of the domestic hot water tank 2. The hot water inlet 22 may be provided on the side wall of the domestic hot water tank 2.

[0039] In this embodiment, the host may further include an outdoor heat exchanger 3. The outdoor heat exchanger 3 may be disposed in the second cavity 10b, and may include a fan and a fin heat exchanger. The fan may be disposed in a one-to-one correspondence with the air guide port 1321. When the HVAC equipment is heating, the fan is used to extract the external air and the fin heat exchanger for heat exchange, so that the refrigerant inside the fin heat exchanger absorbs the heat of the external air. When cooling, the fan is used to blow the refrigerant heat released by the fin heat exchanger into the outdoor air.

[0040] like Figure 3 and Figure 4 As shown, in this embodiment, the main unit also includes a shell and tube heat exchanger 4, which is arranged in the first cavity 10a and can be arranged at the bottom end 2a of the domestic hot water tank 2, below the bottom end 2a of the domestic hot water tank 2. The shell and tube heat exchanger 4 can be roughly annular, and a containing space 40 can be formed inside. In this embodiment, the shell and tube heat exchanger 4 can include at least two annular rings 41, and at least two annular rings 41 can be formed by winding along a heat exchange tube. In this embodiment, the shell and tube heat exchanger 4 has a water inlet 411 and a water outlet. The water outlet can be used to output hot water generated by heat exchange, and the water inlet can be connected to the water in the domestic hot water tank 2. In this embodiment, the shell and tube heat exchanger 4 can also have a refrigerant inlet and a refrigerant outlet, and the refrigerant inlet can be used for refrigerant injection to exchange heat with the water in the shell and tube heat exchanger 4, and the refrigerant after heat exchange can be output through the refrigerant outlet.

[0041] In this embodiment, the host further includes a water pump 5, which is disposed in the first cavity 10a and located at the bottom end 2a of the domestic hot water tank 2. The water pump 5 is at least partially accommodated in the accommodation space 40 formed by the shell and tube heat exchanger 4, that is, the shell and tube heat exchanger 4 surrounds the water pump 5. The shell and tube heat exchanger 4 is connected to the water pump 5 and the domestic hot water tank 2. Specifically, the water pump 5 has a fluid outlet 51 and a fluid inlet 52, wherein the fluid outlet 51 can be connected to the water inlet 411 of the shell and tube heat exchanger 4 by setting a pipeline. The fluid inlet 52 can be connected to the return water port 21 of the domestic hot water tank 2 by setting a pipeline, and is used to pump the water in the domestic hot water tank 2 into the shell and tube heat exchanger 4 for heat exchange. In some other embodiments, the fluid inlet 52 of the water pump 5 can be connected to the water outlet of the shell and tube heat exchanger 4, and the fluid outlet 51 can be connected to the hot water inlet 22 of the domestic hot water tank 2, so that the hot water generated by the heat exchange of the shell and tube heat exchanger 4 can be pumped into the domestic hot water tank 2. In this embodiment, the height of the water pump 5 may be slightly higher than the height of the shell and tube heat exchanger 4 . Of course, it can be understood that in some other embodiments, the height of the water pump 5 may also be lower than the height of the shell and tube heat exchanger 4 .

[0042] For example Figures 2 to 3As shown, in this embodiment, the host may further include a compressor (not shown), which may be in the first cavity 10a and located on the same side as the second cavity 10b, and separated from the second cavity 10b by a water receiving tray 17. The compressor (not shown) may be connected to the shell and tube heat exchanger 4, specifically, it may be connected to the refrigerant inlet of the shell and tube heat exchanger 4. When the HVAC equipment operates in partial heat recovery or full heat recovery mode, the refrigerant coming out of the compressor (not shown) will exchange heat with water in the shell and tube heat exchanger 4 to prepare hot water, and the prepared hot water will enter the domestic hot water tank 2. When the user needs hot water, the hot water in the domestic hot water tank 2 can be transported to the corresponding equipment.

[0043] In this embodiment, the host may also include a liquid storage tank 6, which may be installed in the installation space 101 and separated from the second cavity 10b by a water receiving tray 17, and the liquid storage tank 6 and the second cavity 10b may be located on the same side.

[0044] In this embodiment, the host may further include a plate heat exchanger 7, which may be a fluorine water plate heat exchanger. The plate heat exchanger 7 may be installed in the first cavity 10a, located below the bottom end 2a of the domestic hot water tank 2, and may be located on the same side as the second cavity 10b. In this embodiment, the plate heat exchanger 7 may be a fluorine water plate heat exchanger. In this embodiment, the host may further include a plate heat exchanger water pump, and / or an expansion tank. The plate heat exchanger water pump, and / or the expansion tank may be arranged in the first cavity 10a, located below the bottom end 2a of the domestic hot water tank 2, and located on the same side as the second cavity 10b. Of course, it is understandable that in some other embodiments, the plate heat exchanger 7, the plate heat exchanger water pump, and / or the expansion tank may also be external.

[0045] In this embodiment, the host also includes an electric control box 8, which is arranged in the first cavity 10a and can be located on the same side as the second cavity 10b. The electric control box 8 is provided with a main control board, relays, reactance and other electrical components. The electric control box 8 is fixed to the inner side of the side plate 14 and is fixed to the two columns of the side plate 14. The electric control box 8 is separated from the second cavity 10b by a water receiving tray 17. Such a configuration will increase the stability of the electric control box.

[0046] Figure 5 The second embodiment of the HVAC equipment of the utility model is shown, which differs from the first embodiment in that the height of the shell and tube heat exchanger 4 can be higher than or equal to the height of the water pump 5 , that is, the water pump 5 can be completely accommodated in the shell and tube heat exchanger 4 .

[0047] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should belong to the scope covered by the claims of the utility model.

Claims

1. A host, characterized in that: include: Domestic hot water tank (2); A water pump (5) connected to the domestic hot water tank (2); The shell and tube heat exchanger (4) surrounds the water pump (5) and is respectively connected to the water pump (5) and the domestic hot water tank (2). The water pump (5) is used to transport water in the domestic hot water tank (2) to the shell and tube heat exchanger (4) for heat exchange.

2. The host according to claim 1, characterized in that: The shell and tube heat exchanger (4) comprises at least two annular rings (41), and a gap is provided between the annular rings (41) and the water pump (5).

3. The host according to claim 1, characterized in that: The domestic hot water tank (2) has a bottom end (2a), and the shell and tube heat exchanger (4) and the water pump (5) are arranged below the bottom end (2a).

4. The host according to claim 1, characterized in that: The shell and tube heat exchanger (4) comprises a water inlet (411), and the water inlet (411) is connected to a water pump (5).

5. The host according to claim 3, characterized in that: It comprises a casing (1) and an outdoor heat exchanger (3), wherein a receiving chamber (10) is formed inside the casing (1); The accommodating cavity (10) comprises a first cavity (10a) and a second cavity (10b), wherein at least a portion of the first cavity (10a) is arranged side by side with the second cavity (10b) in a horizontal direction; The domestic hot water tank (2), the shell and tube heat exchanger (4) and the water pump (5) are arranged in the first cavity (10a); The domestic hot water tank (2) is arranged along the height direction of the first cavity (10a); The outdoor heat exchanger (3) is arranged in the second cavity (10b).

6. The host according to claim 5, characterized in that: The height of the first cavity (10a) is greater than the height of the second cavity (10b); The height of the domestic hot water tank (2) is greater than the height of the second cavity (10b).

7. The host according to claim 5, characterized in that: The housing (1) is also provided with a partition (16) and a water receiving tray (17); the length of the partition (16) is less than the height of the accommodating chamber (10) so as to divide the accommodating chamber (10) into the first cavity (10a) and the second cavity (10b); the water receiving tray (17) is connected to the partition (16) and cooperates with the partition (16) to define the second cavity (10b).

8. The host according to claim 7, characterized in that: The main machine further comprises an electric control box (8), a plate heat exchanger (7), a plate heat exchanger water pump, and / or an expansion tank; the electric control box (8), the plate heat exchanger (7), the plate heat exchanger water pump, and / or the expansion tank are arranged in the first cavity (10a), and are separated from the second cavity (10b) by the water receiving tray (17).

9. The host according to claim 1, characterized in that: The main unit also includes a compressor, and the shell and tube heat exchanger (4) includes a refrigerant inlet, which is connected to the compressor.

10. A HVAC equipment, characterized in that: A host comprising any one of claims 1 to 9.

Images