Heat pump host

Abstract

The utility model relates to a heat pump main machine which comprises a machine shell, a first heat exchanger, a second heat exchanger and a heat exchanger. The outdoor heat exchange module is arranged in the first cavity and provided with an end plate, and the end plate is arranged towards the second cavity; the indoor heat exchange module is arranged in the second cavity and comprises a plate heat exchanger, a water inlet pipe and a water outlet pipe; the water inlet pipe comprises a first water inlet end and a second water inlet end communicated with the first water inlet end, and the first water inlet end is connected with the plate heat exchanger; the water outlet pipe comprises a first water outlet end and a second water outlet end communicated with the first water outlet end, and the first water outlet end is connected with the plate heat exchanger; the fixing structure is arranged in the second cavity, the fixing structure is connected with the end plate and / or the partition plate, and the fixing structure is used for limiting displacement generated when the second water inlet end and the second water outlet end are connected with an external water pipe. The heat pump host is beneficial to improving the efficiency of connection with an external water pipe.

Description

Technical Field

[0001] The utility model relates to the field of heating and ventilation, in particular to a heat pump host. Background Art

[0002] Existing heat pumps usually have plate heat exchangers and / or shell-and-tube heat exchangers inside the heat pump main unit to complete the heat exchange between the two media for cooling, heating and preparing hot water, and are fixed to the outer casing of the heat pump main unit through inlet and outlet water pipes to form water inlets and outlets. External water pipes will connect the water inlets and outlets of the outer casing of the heat pump main unit to enable the hot water prepared by the heat pump main unit to be output to domestic water tanks, terminals and other equipment.

[0003] However, in existing designs, due to differences in design or assembly, the inlet and outlet water pipes and the water inlets and outlets may have certain installation and welding deviations, which may result in the inability to fix the external water pipes to the inlet and outlet water pipes in the heat pump host during subsequent installation. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an improved heat pump host.

[0005] The technical solution adopted by the utility model to solve the technical problem is: construct a heat pump host, including:

[0006] The housing defines a receiving cavity on the inner side, and the receiving cavity is divided into a first cavity and a second cavity by a partition;

[0007] an outdoor heat exchange module, disposed in the first cavity and having an end plate, wherein the end plate is disposed toward the second cavity;

[0008] The indoor heat exchange module is arranged in the second cavity, and includes a plate heat exchanger, a water inlet pipe and a water outlet pipe; the water inlet pipe includes a first water inlet end and a second water inlet end communicating with the first water inlet end, and the first water inlet end is connected to the plate heat exchanger; the water outlet pipe includes a first water outlet end and a second water outlet end communicating with the first water outlet end, and the first water outlet end is connected to the plate heat exchanger;

[0009] A fixed structure is arranged in the second cavity, the fixed structure is connected to the end plate and / or the partition, and is used to limit the displacement generated when the second water inlet end and the second water outlet end are connected to an external water pipe.

[0010] In some embodiments, the fixing structure includes a first fixing plate and a second fixing plate that are spaced apart;

[0011] One end of the first fixing plate is fixed to the end plate and / or the partition plate, and a first pre-installed hole is provided on the first fixing plate, and the first pre-installed hole is provided corresponding to the second water inlet end;

[0012] One end of the second fixing plate is fixed to the end plate and / or the partition plate, and a second pre-installed hole is provided on the second fixing plate, and the second pre-installed hole is provided corresponding to the second water outlet end.

[0013] In some embodiments, the fixing structure further includes a connecting plate; the connecting plate is connected between the first fixing plate and the second fixing plate.

[0014] In some embodiments, the fixing structure includes a first joint inserted into the first pre-installed hole, the first joint is sleeved on the second water inlet end; the first joint is connected and fixed to the first fixing plate;

[0015] And / or, the fixing structure further includes a second joint penetrating the second pre-installed hole, the second joint being sleeved on the second water outlet end; the second joint is connected and fixed to the second fixing plate.

[0016] In some embodiments, the housing is provided with a first mounting hole and a second mounting hole;

[0017] The first mounting hole is arranged corresponding to the second water inlet end;

[0018] The second mounting hole is arranged corresponding to the second water outlet end.

[0019] In some embodiments, the housing includes a panel and a back panel disposed opposite to the panel; the fixing structure is installed on a side of the back panel facing the panel;

[0020] The first mounting hole and the second mounting hole are arranged on the back plate;

[0021] The first fixing plate is provided with a first through hole connected to the end plate;

[0022] And / or, the first fixing plate is provided with a first through hole; the back plate is provided with a first via hole, and the first via hole and the first through hole are provided correspondingly for screwing a component into to connect and fix the first fixing plate and the back plate;

[0023] And / or, the first fixing plate is provided with a third through hole connected to the end plate;

[0024] And / or, a second through hole is provided on the second fixing plate; a second via hole is provided on the back plate, and the second via hole and the second through hole are correspondingly provided for allowing a screw assembly to be installed to connect and fix the second fixing plate and the back plate.

[0025] In some embodiments, the heat pump host further comprises:

[0026] A water pump for the shell and tube heat exchanger is arranged in the casing;

[0027] A first connecting pipe, comprising a first connecting end and a second connecting end which are interconnected; the first connecting end is connected to the water pump of the shell and tube heat exchanger;

[0028] The first limiting structure is arranged in the housing and is used for limiting and fixing the second connecting end.

[0029] In some embodiments, the first limiting structure includes a first limiting plate, a first limiting hole is provided on the first limiting plate, and a third joint is installed in the first limiting hole:

[0030] The third joint is sleeved on the second connection end.

[0031] In some embodiments, the heat pump host further comprises:

[0032] A shell and tube heat exchanger is arranged in the casing;

[0033] A second connecting pipe includes a third connecting end and a fourth connecting end; the third connecting end is connected to the shell and tube heat exchanger;

[0034] The second limiting structure is arranged in the housing and is used for limiting and fixing the fourth connecting end.

[0035] In some embodiments, the second limiting structure includes a second limiting plate, a second limiting hole is provided on the second limiting plate, and a fourth joint is installed in the second limiting hole:

[0036] The fourth joint is sleeved on the fourth connecting end.

[0037] The implementation of the heat pump host of the utility model has the following beneficial effects: the heat pump host is configured to fix a fixed structure in the second cavity, and connect the fixed structure to the end plate of the outdoor heat exchange module arranged in the first cavity and / or the partition arranged in the accommodating cavity, so as to limit the displacement generated when the second water inlet end and the second water outlet end are connected to the external water pipe, thereby positioning the second water inlet end of the water inlet pipe connected to the plate heat exchanger and the second water outlet end of the water outlet pipe connected to the plate heat exchanger in the indoor heat exchange module, thereby avoiding installation or welding deviations of the water inlet pipe and the water outlet pipe due to differences in design or assembly, which can help improve the connection efficiency with the external water pipe and the connection stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0039] Figure 1 It is a schematic diagram of the structure of the heat pump host in some embodiments of the utility model;

[0040] Figure 2 yes Figure 1 The schematic diagram of partial structural decomposition of the heat pump main unit shown;

[0041] Figure 3 yes Figure 2 The schematic diagram of the partial structure of the heat pump host is shown;

[0042] Figure 4 yes Figure 3 Another partial structural schematic diagram of the heat pump main unit shown;

[0043] Figure 5 yes Figure 4 An enlarged schematic diagram of the local structure of the heat pump main unit is shown. DETAILED DESCRIPTION

[0044] 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", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in specific directions, 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 on the present invention.

[0045] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like 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, 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", "third", 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", "third", etc. can explicitly or implicitly include one or more of the 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.

[0046] Figure 1 as well as Figure 2Some preferred embodiments of the heat pump host of the utility model are shown. The heat pump host is a dual or trigeneration equipment, which can complete heating, cooling, and preparing domestic hot water. The heat pump host can be connected to an external water tank to prepare hot water.

[0047] like Figure 1 as well as Figure 2 As shown, the heat pump host includes a casing 10, an outdoor heat exchange module 20, an indoor heat exchange module 30, and a fixed structure 40. The casing 10 is used to accommodate the outdoor heat exchange module 20, the outdoor heat exchange module 20, the indoor heat exchange module 30 and the fixed structure 40. When the heat pump host is running, the external air can exchange heat with the outdoor heat exchange module 20 to achieve the purpose of releasing heat into the air or absorbing heat in the air. The indoor heat exchange module 30 can be connected to the terminal device to form a terminal loop, and heat exchange with the terminal loop through a refrigerant to achieve cooling or heating. A water pump, an expansion tank, etc. are provided between the indoor heat exchange module 30 and the terminal loop. The fixed structure 40 is used to limit the displacement generated when the second water inlet end 322 and the second water outlet end 332 are connected to the external water pipe, so as to facilitate the rapid connection and installation of the heat pump host and the external pipeline.

[0048] In some embodiments, the housing 10 is roughly rectangular, and its inner side is hollow to form a housing chamber 100, which can be used to accommodate various components. In some embodiments, a partition (not shown) is provided in the housing 10, and the partition (not shown) can divide the housing chamber 100 into a first cavity 10a and a second cavity 10b; the first cavity 10a and the second cavity 10b are adjacently arranged along the length direction of the housing 10. An outdoor heat exchange module 20 can be arranged in the first cavity 10a. An indoor heat exchange module 30 can be arranged in the second cavity 10b. In some embodiments, a compressor, a shell and tube heat exchanger 80, a shell and tube heat exchanger water pump 50, an expansion water tank and other components can also be arranged in the second cavity 10b.

[0049] In some embodiments, the housing 10 may include a chassis 11, a top cover 12, a panel 13, a back plate 14, a first side plate 15, and a second side plate 16. The chassis 11 and the top cover 12 are arranged relative to each other, and the panel 13 is arranged between the chassis 11 and the top cover 12. The back plate 14 can be arranged relative to the panel 13, and the back plate 14 can cover the second cavity 10b. The first side plate 15 and the second side plate 16 are arranged relative to each other on both sides of the panel 13, and the first side plate 15 is connected to the back plate 14, and the two are bent and arranged, and the two can be integrally formed. In some embodiments, a support plate 17 is also provided on the inner side of the housing 10, and the support plate 17 is arranged in the second cavity 10b and is arranged parallel to the chassis 11. The support plate 17 can separate the second cavity 10b into two upper and lower spaces, and play a role in supporting some components.

[0050] In some embodiments, the housing 10 has a first mounting hole 141, a second mounting hole 142, a third mounting hole 143, and a fourth mounting hole 144. The first mounting hole 141, the second mounting hole 142, the third mounting hole 143, and the fourth mounting hole 144 are arranged at intervals on the back plate 14 and are arranged through the thickness of the back plate 14. The first mounting hole 141, the second mounting hole 142, the third mounting hole 143, and the fourth mounting hole 144 can be used for installing and fixing the pipeline respectively.

[0051] like Figure 2 and Figure 3 As shown, in some embodiments, the outdoor heat exchange module 20 is arranged in the first cavity 10a, which may include an outdoor heat exchanger 21 and a fan (not shown), wherein the fan (not shown) is arranged near the panel 13. When the heat pump is running, the fan (not shown) starts and drives the external air and the outdoor heat exchanger 21 to exchange heat. In some embodiments, the outdoor heat exchanger 21 can be a fin heat exchanger. In some embodiments, the outdoor heat exchanger 21 has an end plate 22, which is arranged between the chassis 11 and the top cover 12 and is arranged toward the second cavity 10b. Specifically, in some embodiments, the end plate 22 may be located at one end of the outdoor heat exchanger 21 extending to the second cavity 10b. In some other embodiments, the end plate 22 may be located at the junction of the first cavity 10a and the second cavity 10b. In some embodiments, the end plate 22 may be a sheet metal part.

[0052] In one embodiment, the indoor heat exchange module 30 is disposed in the second cavity 10b. In some embodiments, the indoor heat exchange module may include a plate heat exchanger 31, a water inlet pipe 32, and a water outlet pipe 33. When the heat pump is running, the high-temperature or low-temperature refrigerant exchanges heat with water in the plate heat exchanger 31, and under the action of the water pump, the hot water or cold water after the heat exchange is transported to the terminal device. The water inlet pipe 32 may include a first water inlet end 321 and a second water inlet end 322; the first water inlet end 321 is connected and fixed to the plate heat exchanger, the second water inlet end 322 is connected to the first water inlet end 321, and the second water inlet end 322 can be fixed to the housing 10 through a fixing structure 40, specifically, it can be fixed to the first mounting hole 141 through the fixing structure 40. The water outlet pipe 33 includes a first water outlet end 331 and a second water outlet end 332. The first water outlet 331 is connected and fixed to the plate heat exchanger 31 , and the second water outlet 332 is communicated with the first water outlet 331 , and can be fixed to the casing 10 through the fixing structure 40 , specifically, it can be fixed to the second mounting hole 142 through the fixing structure 40 .

[0053] like Figures 2 to 5As shown, in some embodiments, the fixing structure 40 is fixedly disposed in the second cavity 10b, located on the side of the back plate 14 facing the panel 13, and can be connected and fixed to the back plate 14. The fixing structure 40 can be connected to the end plate 22, and connected to the second water inlet end 322 and the second water outlet end 332, and can position the second water inlet end 322 and the second water outlet end 332, so that the second water inlet end 322 and the second water outlet end 332 can be aligned with the first mounting hole 141 and the second mounting hole 142 on the housing 10, that is, the displacement generated when the second water inlet end 322 and the second water outlet end 332 are connected to the external water pipe is limited, so as to avoid the installation or welding deviation of the water inlet pipe and the water outlet pipe due to the difference in design or assembly, so as to improve the connection efficiency with the external water pipe and the connection stability. In some other embodiments, the fixing structure 40 is not limited to being connected and fixed to the end plate 22. In some embodiments, the first fixing plate 41 and the second fixing plate 42 can be connected and fixed to the partition (not shown).

[0054] The fixing structure 40 may include a first fixing plate 41, a second fixing plate 42 and a connecting plate 43. The first fixing plate 41 and the second fixing plate 42 may be arranged at intervals along the height direction of the housing 10, and both are fixed to the back plate 14. The first fixing plate 41 may be used to fix the second water inlet end 322. The second fixing plate 42 may be used to fix the second water outlet end 332. The first fixing plate 41 and the second fixing plate 42 are sheet metal parts, and the thickness of both is greater than the thickness of the back plate 14, so as to improve the overall strength of the fixing structure 40 and avoid deformation of the back plate 14 due to torque when installing an external water pipe. The connecting plate 43 is arranged between the first fixing plate 41 and the second fixing plate 42, and is connected to the first fixing plate 41 and the second fixing plate 42, and is used to connect the first fixing plate 41 and the second fixing plate 42 to form a component, and facilitate the fixing and limiting of the first fixing plate 41 and the second fixing plate 42. In some other embodiments, the first fixing plate 41 and the second fixing plate 42 are not limited to being connected and fixed to the end plate 22. In some embodiments, the first fixing plate 41 and the second fixing plate 42 can be connected and fixed to a partition (not shown). By providing the fixing structure 40, the position of the water inlet and outlet can be prevented from displacement during the installation process, thereby increasing the installation efficiency of the water inlet and outlet and reducing the possibility of damage.

[0055] The first fixing plate 41 is a roughly rectangular plate, including a first body 41a and two first extensions 41b; the first body 41a is rectangular, and the two first extensions 41b extend from the two long sides of the first body 41a in a direction away from the first body 41a, and are bent with the first body 41a. One of the first extensions 41b can extend toward the bottom plate 11, and the other first extension 41b can extend toward the top cover 12. The first fixing plate 41 extends toward the first cavity 10a, one end of which is fixed to the end plate 22, and the first fixing plate 41 is provided with a first pre-installed hole 411. Specifically, the first fixing plate 41 can be connected and fixed to the end plate 22 by setting a screw assembly. In some other embodiments, the first fixing plate 41 is not limited to being connected to the end plate 22, and it can be connected to a partition (not shown). The first fixing plate 41 can be provided with a first through hole 412, which is provided on the first body 41a and connected to the end plate 22 by setting a screw assembly. The first fixing plate 41 may be provided with a second through hole 413, which is provided on the first extension portion 41b and can be connected to the back plate 14 by providing a screw assembly, thereby achieving the positioning of the water inlet pipe and increasing its stability. In some embodiments, the back plate 14 is provided with a first through hole 14a, which is provided corresponding to the second through hole 413, and the screw assembly can sequentially penetrate the first through hole 14a and the second through hole 413, thereby connecting and fixing the first fixing plate 41 to the back plate 14, which can further increase the stability of the first fixing plate 41. The first pre-installed hole 411 is provided on the first body 41a, corresponding to the second water inlet end 322, and is used for the installation of the second water inlet end 322.

[0056] In some embodiments, the second fixing plate 42 is a substantially rectangular plate, including a second body 42a and two second extensions 42b; the second body 42a is rectangular, and the two second extensions 42b extend from the two long sides of the second body 42a in a direction away from the second body 42a, and are bent with the second body 42a. One of the second extensions 42b can extend toward the chassis 11, and the other second extension 42b can extend toward the top cover 12. The second fixing plate 42 extends toward the first cavity 10a, one end of which is fixed to the end plate 22, and a second pre-installed hole 421 is provided on the second fixing plate 42. Specifically, the second fixing plate 42 can be connected and fixed to the end plate 22 by setting a screw assembly. In some other embodiments, the second fixing plate 42 is not limited to being connected to the end plate 22, and it can be connected to a partition (not shown). The second fixing plate 42 can be provided with a third through hole 422, which is provided on the second body 42a and connected to the end plate 22 by setting a screw assembly. The second fixing plate 42 may be provided with a fourth through hole 423, which is provided on the second extension portion 42b and can be connected to the back plate 14 by providing a screw assembly, thereby achieving positioning of the water outlet pipe and increasing its stability. Specifically, the back plate 14 is provided with a second through hole 14b, which can be provided corresponding to the fourth through hole 423, and the screw assembly can pass through the second through hole 14b and the fourth through hole 423 in sequence, thereby connecting and fixing the second fixing plate 42 to the back plate 14, which can further increase the stability of the second fixing plate 42. The second pre-installed hole 421 is provided on the second body 42a, corresponding to the second water outlet end 332, and is used for the installation of the second water outlet end 332.

[0057] In some embodiments, the connecting plate 43 may be extended along the height direction of the housing 10. The connecting plate 43 may be a rectangular plate, which is connected and fixed to the first extension portion 41b of the first fixing plate 41 disposed toward the chassis 11 by setting a screw assembly, and is connected and fixed to the second extension portion 42b of the second fixing plate 42 disposed toward the top cover 12 by setting a screw assembly. In some embodiments, the connecting plate 43 may be connected to a bracket 46, which may be used to support and fix the water pump. One end of the bracket 46 may be connected to the connecting plate 43, and the two may be connected and fixed by setting a screw assembly. In some other embodiments, the connecting plate 43 may be omitted.

[0058] In some embodiments, the fixing structure 40 also includes a first joint 44, which is inserted into the first pre-installed hole 411 and connected and fixed to the first fixing plate 41, so that the second water inlet end 322 can be fully aligned with the first mounting hole 141 of the back plate 14, which is convenient for later installation and debugging to achieve a plastic surgery effect. The first joint 44 is sleeved on the second water inlet end 322 and can be partially installed at the first mounting hole 141, which can be used to form a water inlet connected to an external pipe. In some embodiments, the first joint 44 may include a first sleeve portion 441 and a first connecting portion 442. The first sleeve portion 441 is installed at the first pre-installed hole 411 and is a tubular structure with an internal thread. The first sleeve portion 441 can be fixed to the second water inlet end 322 by an interference fit or a threaded connection, and can be fixed to an external pipe by a threaded connection. The first connection portion 442 may be two ends disposed at the first sleeve portion 441 and may extend radially outwardly along the first sleeve portion 441, and is used to be connected and fixed to the first body 41a of the first fixing plate 41 and the housing 10. The first connection portion 442 is provided with a first connection hole 4421, and the first connection hole 4421 may be connected to the first fixing plate 41 and the back plate 14 by providing a screw assembly, or may be connected only to the back plate 14.

[0059] In some embodiments, the fixing structure 40 also includes a second joint 45, which is inserted into the second pre-installed hole 421 and fixedly connected to the second fixing plate 42, so that the second water outlet end 332 can be fully aligned with the second mounting hole 142 of the back plate 14, which is convenient for later installation and debugging to achieve a plastic surgery effect. The second joint 45 is sleeved on the second water outlet end 332 and can be partially installed at the second mounting hole 142, which can be used to form a water outlet connected to an external pipe. In some embodiments, the second joint 45 may include a second sleeve portion 451 and a second connecting portion 452, the second sleeve portion 451 is installed at the second pre-installed hole 421, and is a tubular structure with an internal thread, the second sleeve portion 451 can be fixed to the second water outlet end 332 by interference fit or threaded connection, and can be fixed to the external pipe by threaded connection. The second connection part 452 may be two parts disposed at one end of the second sleeve part 451, and may extend radially outwardly along the second sleeve part 451, and is used to be connected and fixed with the second body 42a of the second fixing plate 42 and the housing 10. The second connection part 452 is provided with a second connection hole 4521, and the second connection hole 4521 may be connected with the second fixing plate 42 and the back plate 14 by providing a screw connection assembly, or may be connected only with the back plate 14.

[0060] In some embodiments, the heat pump host further includes a shell and tube heat exchanger water pump 50 and a shell and tube heat exchanger 80. The shell and tube heat exchanger water pump 50 can be connected to the shell and tube heat exchanger 80, and both are arranged in the housing 10, specifically in the second cavity 10b. The shell and tube heat exchanger water pump 50 can be connected to an external water tank to pump water in the external water tank into the shell and tube heat exchanger 80 for heat exchange. The shell and tube heat exchanger 80 can be connected to an external water tank to transport the hot water after heat exchange to the external water tank.

[0061] In some embodiments, the heat pump host further includes a first connecting pipe 60, and the first connecting pipe 60 may include a first connecting end 61 and a second connecting end 62. The first connecting end 61 and the second connecting end 62 are connected to each other. The first connecting end 61 may be connected and fixed to the shell and tube heat exchanger water pump 50. The second connecting end 62 may be limited and fixed to the housing 10.

[0062] In some embodiments, the heat pump host also includes a first limiting structure 70, which can be fixed in the housing 10. Specifically, the first limiting structure 70 can be arranged in the second cavity 10b and installed on the support plate 17. The first limiting structure 70 is used to limit and fix the second connection end 62. In some embodiments, the first limiting structure 70 includes a first limiting plate 71 and a third joint 72. The first limiting plate 71 is arranged on the support plate 17 and extends toward the top cover 12. A first limiting hole 711 is provided on the first limiting plate 71, and the first limiting hole 711 can be used for the installation of the third joint 72, so that the second connection end 62 can be fully aligned with the third mounting hole 143 of the back plate 14, which is convenient for later installation and debugging to achieve a plastic effect. The third joint 72 is passed through the first limiting hole 711 and can be sleeved on the second connection end 62. The third joint 72 can be fixed on the back plate 14, and is located at the third mounting hole 143 of the back plate 14, so as to form a water inlet connected to the external water tank. The third joint 72 may include a third sleeve portion 721 and a third connecting portion 722, wherein the third sleeve portion 721 can be installed at the first limiting hole 711, and is sleeved on the second connecting end 62, and is fixed to the second connecting end 62 by interference fit or threaded connection, and can be fixed to the external pipe by threaded connection. There are two third connecting portions 722, and the third connecting portion 722 is located at one end of the third sleeve portion 721 and extends radially outward along the third sleeve portion 721, and is used to be connected and fixed to the first limiting plate 71. The third connecting portion 722 is provided with a third connecting hole 7221, and the third connecting hole 7221 can be connected and fixed to the first limiting plate 71 and the back plate 14 by setting a screw assembly, or it can be connected only to the back plate 14.

[0063] In some embodiments, the heat pump host further includes a second connecting pipe (not shown), and the second connecting pipe (not shown) may include a third connecting end (not shown) and a fourth connecting end (not shown). The third connecting end (not shown) and the fourth connecting end (not shown) are interconnected. The third connecting end (not shown) may be connected and fixed to the shell and tube heat exchanger 80. The fourth connecting end (not shown) may be limited and fixed to the housing 10.

[0064] In some embodiments, the heat pump host also includes a second limiting structure 90, which can be fixed in the housing 10. Specifically, the second limiting structure 90 can be arranged in the second cavity 10b and installed on the chassis 11. The second limiting structure 90 is used to limit and fix the fourth connection end (not shown). In some embodiments, the second limiting structure 90 includes a second limiting plate (not shown) and a fourth joint 91. The second limiting plate (not shown) is arranged on the chassis 11 and extends toward the top cover 12, and can be connected and fixed with the support plate 17. A second limiting hole (not shown) is provided on the second limiting plate (not shown), and the second limiting hole (not shown) can be used for the installation of the fourth joint 91, so that the fourth connection end (not shown) can be fully aligned with the fourth mounting hole 144 of the back plate 14, which is convenient for later installation and debugging to achieve a plastic effect. The fourth joint 91 is arranged in the second limiting hole (not shown) and can be sleeved on the fourth connection end (not shown). The fourth joint 91 can be fixed on the back plate 14, located at the fourth mounting hole 144 of the back plate 14, so as to form a water outlet connected to the external water tank. The fourth joint 91 may include a fourth sleeve portion 911 and a fourth connecting portion 912, wherein the fourth sleeve portion 911 can be installed at the second limiting hole (not shown), and sleeved on the fourth connecting end (not shown), and fixed with the fourth connecting end (not shown) by interference fit or threaded connection, and can be fixed with the external pipe by threaded connection. There are two fourth connecting portions 912, and the fourth connecting portion 912 is located at one end of the fourth sleeve portion 911 and extends radially outward along the fourth sleeve portion 911, and is used to connect and fix with the second limiting plate (not shown). The fourth connecting portion 912 is provided with a fourth connecting hole 9121, and the fourth connecting hole 9121 can be connected and fixed with the second limiting plate (not shown) and the back plate 14 by setting a screw assembly, or it can be connected only to the back plate 14.

[0065] 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 heat pump host, characterized in that: include: A housing (10) having an inner side defining a housing cavity (100), wherein the housing cavity (100) is divided into a first cavity (10a) and a second cavity (10b) by providing a partition; An outdoor heat exchange module (20) is arranged in the first cavity (10a) and has an end plate (22), wherein the end plate (22) is arranged toward the second cavity (10b); An indoor heat exchange module (30) is arranged in the second cavity (10b), and comprises a plate heat exchanger (31), a water inlet pipe (32) and a water outlet pipe (33); the water inlet pipe (32) comprises a first water inlet end (321) and a second water inlet end (322) in communication with the first water inlet end (321), and the first water inlet end (321) is connected to the plate heat exchanger (31); the water outlet pipe (33) comprises a first water outlet end (331) and a second water outlet end (332) in communication with the first water outlet end (331), and the first water outlet end (331) is connected to the plate heat exchanger (31); A fixed structure (40) is disposed in the second cavity (10b), the fixed structure (40) being connected to the end plate (22) and / or the partition plate, and the fixed structure (40) being used to limit the displacement generated when the second water inlet end (322) and the second water outlet end (332) are connected to an external water pipe.

2. The heat pump host according to claim 1, characterized in that: The fixing structure (40) comprises a first fixing plate (41) and a second fixing plate (42) which are arranged at intervals; One end of the first fixing plate (41) is fixed to the end plate (22) and / or the partition plate, and a first pre-installed hole (411) is provided on the first fixing plate (41), and the first pre-installed hole (411) is provided corresponding to the second water inlet end (322); One end of the second fixing plate (42) is fixed to the end plate (22) and / or the partition plate, and a second pre-installation hole (421) is provided on the second fixing plate (42), and the second pre-installation hole (421) is arranged corresponding to the second water outlet end (332).

3. The heat pump host according to claim 2, characterized in that: The fixing structure (40) further comprises a connecting plate (43); the connecting plate (43) is connected between the first fixing plate (41) and the second fixing plate (42).

4. The heat pump host according to claim 2, characterized in that: The fixing structure (40) comprises a first joint (44) penetrating the first pre-installed hole (411), the first joint (44) being sleeved on the second water inlet end (322); the first joint (44) is connected and fixed to the first fixing plate (41); And / or, the fixing structure (40) further comprises a second joint (45) penetrating the second pre-installed hole (421), the second joint (45) being sleeved on the second water outlet end (332); and the second joint (45) being connected and fixed to the second fixing plate (42).

5. The heat pump main unit according to claim 4, characterized in that: The housing (10) is provided with a first mounting hole (141) and a second mounting hole (142); The first mounting hole (141) is arranged corresponding to the second water inlet end (322); The second mounting hole (142) is arranged corresponding to the second water outlet end (332).

6. The heat pump main unit according to claim 5, characterized in that: The housing (10) comprises a panel (13) and a back panel (14) arranged opposite to the panel (13); the fixing structure (40) is installed on a side of the back panel (14) facing the panel (13); The first mounting hole (141) and the second mounting hole (142) are arranged on the back plate (14); The first fixing plate (41) is provided with a first through hole (412) connected to the end plate (22); And / or, the first fixing plate (41) is provided with a second through hole (413); the back plate (14) is provided with a first through hole (14a), and the first through hole (14a) and the second through hole (413) are correspondingly arranged for a screw connection component to be inserted to connect and fix the first fixing plate (41) and the back plate (14); And / or, the first fixing plate (41) is provided with a third through hole (422) connected to the end plate (22); And / or, a fourth through hole (423) is provided on the second fixing plate (42); a second through hole (14b) is provided on the back plate (14), and the second through hole (14b) and the fourth through hole (423) are provided correspondingly for allowing a screw connection component to be inserted to connect and fix the second fixing plate (42) to the back plate (14).

7. The heat pump host according to claim 1, characterized in that: The heat pump host also includes: A shell and tube heat exchanger water pump (50), arranged in the casing (10); A first connecting pipe (60) comprises a first connecting end (61) and a second connecting end (62) which are interconnected; the first connecting end (61) is connected to the shell-and-tube heat exchanger water pump (50); A first limiting structure (70) is arranged in the housing (10) and is used to limit and fix the second connecting end (62).

8. The heat pump host according to claim 7, characterized in that: The first limiting structure (70) comprises a first limiting plate (71), the first limiting plate (71) being provided with a first limiting hole (711), and the first limiting hole (711) being provided with a third joint (72): The third connector (72) is sleeved on the second connecting end (62).

9. The heat pump host according to claim 1, characterized in that: The heat pump host also includes: A shell and tube heat exchanger (80) is arranged in the casing (10); A second connecting pipe, comprising a third connecting end and a fourth connecting end; the third connecting end is connected to the shell and tube heat exchanger (80); A second limiting structure (90) is arranged in the housing (10) and is used to limit and fix the fourth connecting end.

10. The heat pump host according to claim 9, characterized in that: The second limiting structure (90) comprises a second limiting plate, the second limiting plate is provided with a second limiting hole, and the second limiting hole is provided with a fourth joint (91): The fourth connector (91) is sleeved on the fourth connection end.

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