Heat pump device and hot water heating system

Abstract

The application discloses a heat pump device and a hot water heating system. The heat pump device comprises a box, a first heat exchanger, a fan and a pipeline assembly. The box is provided with an air inlet and an air outlet. The first heat exchanger divides the inside of the box into an air inlet cavity and an air outlet cavity, and is internally provided with a first refrigerant pipeline. The air inlet is communicated with the air inlet cavity. The fan is arranged in the air outlet cavity, and an air outlet of the fan is communicated with the air outlet. The pipeline assembly is arranged in the air inlet cavity and comprises a water power module and a compressor. The water power module comprises a water pump, a second heat exchanger, a water inlet pipe and a water outlet pipe. The second heat exchanger is provided with a water flow pipeline and a second refrigerant pipeline. The water inlet pipe, the water pump, the water flow pipeline and the water outlet pipe are connected in series. The second refrigerant pipeline is connected with the compressor and the first refrigerant pipeline to form a heat pump system. The heat pump device can absorb heat from outdoor environment air to cyclically heat water in a heating device (or a water heater) under the condition of being installed indoors.

Description

Technical Field

[0001] This invention relates to the field of household appliance technology, and in particular to a heat pump device and a hot water heating system having the heat pump device. Background Technology

[0002] In related technologies, heat pump equipment is connected to external heating equipment or water heaters through pipelines and can absorb heat from the outdoor ambient air to circulate and heat the water in the heating equipment or water heater. Because it needs to exchange heat with the outdoor ambient air, this type of heat pump equipment also needs to be installed outdoors. However, installing heat pump equipment outdoors will bring many drawbacks, such as affecting the aesthetics of the building's exterior surface, failing to meet the safety regulations of some areas, generating a lot of noise during operation that will affect the lives of neighbors, posing many risks during the installation process, making after-sales maintenance difficult and costly, causing rapid heat loss from the unit, and making it prone to freezing and damaging the heat pump equipment or pipelines in winter. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, the present invention proposes a heat pump device that, when installed indoors, absorbs heat from the outdoor ambient air to circulate and heat water in a heating device (or water heater).

[0004] The present invention also provides a hot water heating system having the above-mentioned heat pump equipment.

[0005] According to a first aspect of the present invention, a heat pump device includes a housing, a first heat exchanger, a fan, and a piping assembly. The housing is provided with an air inlet for connecting to an air intake duct and an air outlet for connecting to an air exhaust duct. The first heat exchanger is disposed within the housing, dividing the interior of the housing into an air inlet chamber and an air outlet chamber, with the air inlet connecting to the air inlet chamber. The first heat exchanger is provided with a first refrigerant pipeline, and the refrigerant can exchange heat with the air flowing through the first heat exchanger when passing through the first refrigerant pipeline. The fan is disposed within the air outlet chamber, with the fan's exhaust port connecting to the air outlet, and an air intake port disposed on the side of the fan near the first heat exchanger. The piping assembly is disposed within the air inlet chamber, and the piping assembly includes a hydraulic module and a compressor. The hydraulic module includes a water pump, a second heat exchanger, an inlet pipe, and an outlet pipe. The second heat exchanger is provided with a water flow pipeline connected in series with the inlet pipe and the water pump outlet pipe, and a second refrigerant pipeline connected to the compressor and the first refrigerant pipeline to form a heat pump system.

[0006] The heat pump device according to the first aspect of the present invention has at least the following beneficial effects:

[0007] In this embodiment, when the heat pump device is working, a negative pressure is generated between the fan's air intake and the first heat exchanger under the action of the fan. This allows the air in the air inlet chamber to exchange heat with the refrigerant flowing through the first refrigerant pipeline via the first heat exchanger. Simultaneously, since the water flow pipeline in the second heat exchanger is connected in series with the water pump, inlet pipe, and outlet pipe to form the internal water flow path of the heat pump device, water from the external heating device (or water heater) can circulate between the hydraulic module and the external heating device (or water heater) under the action of the water pump. Meanwhile, the refrigerant circulates within the heat pump system under the action of the compressor. Furthermore, when the refrigerant flows through the second refrigerant pipeline, it transfers heat to the circulating water flowing through the water flow pipeline under the action of the second heat exchanger. This system circulates and heats the water in external heating devices (or water heaters). Furthermore, because the housing has an air inlet for connecting to the suction duct and an air outlet for connecting to the exhaust duct, the heat pump device in this embodiment, even when installed indoors, can still draw outdoor ambient air into its intake chamber via the suction duct and air inlet, and exhaust the heat-exchanged air from the fan to the outside via the air outlet and exhaust duct. This achieves circulating heat exchange from the outdoor ambient air. Therefore, even when installed indoors, the heat pump device in this embodiment can absorb heat from the outdoor ambient air to circulate and heat the water in external heating devices (or water heaters), thereby eliminating many of the drawbacks associated with outdoor installation.

[0008] According to some embodiments of the heat pump device of the first aspect of the present invention, the compressor includes a liquid receiver, wherein the orthographic projection of the liquid receiver on a projection plane perpendicular to the air inlet direction is offset from the orthographic projection of the air inlet.

[0009] According to some embodiments of the heat pump device of the first aspect of the present invention, the second heat exchanger and the liquid receiver are arranged sequentially along the air inlet direction, and on the projection plane perpendicular to the air inlet direction, the orthographic projection of at least a portion of the structure of the liquid receiver is located within the orthographic projection of the second heat exchanger.

[0010] According to some embodiments of the heat pump device of the first aspect of the present invention, a guide plate is provided on the side of the fan near the first heat exchanger, the guide plate is provided with an air intake, and a static pressure chamber is formed between the guide plate and the first heat exchanger; the first heat exchanger is inclined relative to the air intake direction of the air intake, and the distance between the first heat exchanger and the guide plate gradually increases in the air intake direction of the air inlet.

[0011] According to some embodiments of the heat pump device of the first aspect of the present invention, the edge of the air guide plate is provided with a flange bent toward the first heat exchanger, the flange abutting against the first heat exchanger, and the air guide plate, the flange and the first heat exchanger together enclose to form a static pressure cavity.

[0012] According to some embodiments of the heat pump device of the first aspect of the present invention, the housing is provided with an air guide ring at the air inlet, the air guide ring including an annular air guide structure.

[0013] According to some embodiments of the heat pump device of the first aspect of the present invention, the cross-section of the air guide structure is a continuous rounded corner.

[0014] According to some embodiments of the heat pump device of the first aspect of the present invention, the hydraulic module includes an inlet multi-way valve and an outlet multi-way valve, and multiple inlet pipes and outlet pipes are provided. The inlet of the water pump is connected to each inlet pipe through the inlet multi-way valve, and the outlet end of the water flow pipeline is connected to each outlet pipe through the outlet multi-way valve.

[0015] According to some embodiments of the heat pump device of the first aspect of the present invention, the piping assembly further includes a four-way valve and a throttling component. The throttling component is connected between a first refrigerant pipe and a second refrigerant pipe. The compressor is provided with a refrigerant outlet and a refrigerant inlet. The refrigerant outlet and the refrigerant inlet are respectively connected to the first valve port and the second valve port of the four-way valve. The end of the second refrigerant pipe away from the throttling component is connected to the third valve port of the four-way valve, and the end of the first refrigerant pipe away from the throttling component is connected to the fourth valve port of the four-way valve.

[0016] According to some embodiments of the heat pump device of the first aspect of the present invention, the housing is provided with a first air duct connection structure at the air inlet, and the first air duct connection structure is used to connect an air intake duct; and / or, the housing is provided with a second air duct connection structure at the air outlet, and the second air duct connection structure is used to connect an exhaust duct.

[0017] A hot water heating system according to some embodiments of the second aspect of the present invention includes the heat pump device described in the first aspect embodiment.

[0018] The hot water heating system according to some embodiments of the second aspect of the present invention has at least the following beneficial effects:

[0019] By employing the heat pump device of the first aspect embodiment described above, the heat pump device can still absorb heat from the outdoor ambient air to circulate and heat the water in the heating equipment or water heater when it is installed indoors, thereby eliminating many of the effects caused by the heat pump device being installed outdoors.

[0020] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0022] Figure 1This is an exploded view of the heat pump device according to an embodiment of the present invention;

[0023] Figure 2 for Figure 1 The diagram shows the structure of the heat pump equipment after removing part of the casing wall and some pipe components from the piping assembly.

[0024] Figure 3 for Figure 1 The top view of the heat pump equipment shown;

[0025] Figure 4 for Figure 3 The heat pump device shown is a cross-sectional view along the AA direction;

[0026] Figure 5 for Figure 4 A magnified view of the area indicated by the dashed circle B in the middle;

[0027] Figure 6 for Figure 2 The exploded view of the fan shown in the figure;

[0028] Figure 7 for Figure 1 A schematic diagram of the structure of the first heat exchanger shown in the figure;

[0029] Figure 8 for Figure 7 A magnified view of the area indicated by the dashed circle C in the middle;

[0030] Figure 9 for Figure 1 A schematic diagram of the piping assembly shown in the figure;

[0031] Figure 10 for Figure 1 An exploded view of the box shown in the diagram;

[0032] Figure 11 for Figure 10 A magnified view of the area indicated by the dashed circle D in the middle;

[0033] Figure 12 for Figure 10 A magnified view of the area indicated by the dashed circle E.

[0034] Figure label:

[0035] 100 housing; 110 top plate; 111 air inlet; 112 air outlet; 113 air guide ring; 114 air guide structure; 115 pipe connection hole; 116 fourth mounting connection hole; 120 air inlet chamber; 130 air outlet chamber; 140 bottom plate; 141 second mounting connection hole; 150 pipe joint mounting base; 160 foot pad; 171 left side panel; 172 first hook; 173 first mounting connection hole; 174 right side panel; 175 front side panel; 176 rear side panel; 177 third mounting connection hole; 180 left support column; 181 left main body; 182 first front main body; 183 first insertion slot; 190 right support column; 191 right main body; 192 second front main body; 200 first heat exchanger; 210 heat exchange body; 220 side plate; 221 snap-fit ​​part; 222 second connection hole; 223 limiting part; connection Part 224; Third connecting hole 225; Fan 300; Impeller 310; Left volute 320; Right volute 330; Exhaust port 340; Air guide plate 350; Air intake port 351; Embedded port 352; First flange 360; Second flange 370; First connecting hole 371; Third flange 380; Fourth flange 390; Snap-fit ​​groove 391; Electrical control box 400; Heat dissipation unit 410; Piping assembly 500; Water pump 5 10; Inlet pipe 520; First inlet pipe 521; Second inlet pipe 522; Outlet pipe 530; First outlet pipe 531; Second outlet pipe 532; Water pipe connector 533; Second heat exchanger 540; Compressor 550; Liquid receiver 551; Throttling component 560; Four-way valve 570; Inlet multi-way valve 580; Outlet multi-way valve 590; Static pressure chamber 600; First direction X; Air intake direction of the air inlet Y. Detailed Implementation

[0036] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0037] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, left, right, front, back, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0038] In the description of this invention, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0039] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0040] The following is for reference only. Figure 1 To be continued Figure 9 This describes a heat pump device according to a first aspect embodiment of the present invention.

[0041] Reference Figures 1 to 4 According to some embodiments of the present invention, a heat pump device includes a housing 100, a first heat exchanger 200, a fan 300, and a piping assembly 500. The housing 100 serves as the casing of the entire heat pump device. When the heat pump device is installed in an indoor environment, to draw outdoor air from the outdoor environment into the heat pump device, the housing 100 is provided with an air inlet 111. The air inlet 111 is used to connect to an air intake duct (not shown in the accompanying drawings). The two ends of the air intake duct are respectively connected to the air inlet 111 and the outdoor environment, thereby drawing outdoor air into the heat pump device. The air duct and air inlet 111 can draw outdoor air into the housing; at the same time, in order to exhaust the air after heat exchange to the outside of the heat pump equipment, the housing 100 is also provided with an air outlet 112. The air outlet is used to connect to the exhaust duct (not shown in the attached figure). The two ends of the exhaust duct are connected to the air outlet 112 and the outdoor environment, respectively, so that the air after heat exchange with the heat pump equipment is discharged from the housing through the air outlet 112 and the exhaust duct; for ease of description, the direction of drawing in outdoor air through the air inlet 111 is defined as the first direction X.

[0042] Reference Figures 1 to 4 The first heat exchanger 200 is disposed inside the housing 100 and is a component used to exchange heat with the outdoor air drawn in by the heat pump equipment. Therefore, the heat exchange body 210 in the first heat exchanger 200 includes multiple heat exchange units composed of heat exchange tubes (not shown in the figure) and fins (not shown in the figure). A gap (not shown in the figure) is formed between the fins of adjacent heat exchange units to allow air to pass through the first heat exchanger 200. The heat exchange tubes in each heat exchange unit are interconnected to form a first refrigerant pipeline (not shown in the figure). The first refrigerant pipeline is used to connect with the compressor 550 (described in detail below) in the heat pump equipment and jointly participate in the formation of the heat pump system. This allows the refrigerant to circulate through the first refrigerant pipeline when the heat pump equipment is working, thereby enabling the refrigerant to exchange heat with the outdoor air flowing through the first heat exchanger 200.

[0043] In order to ensure that all outdoor air drawn into the heat pump equipment can flow through the first heat exchanger 200, the first heat exchanger 200 divides the interior of the housing 100 into an air inlet chamber 120 and an air outlet chamber 130. The air inlet 111 is provided on the cavity wall of the housing 100 corresponding to the air inlet chamber 120 to connect with the air inlet chamber 120, so that the outdoor air drawn into the heat pump equipment through the air inlet 111 can enter the air inlet chamber 120.

[0044] Reference Figures 1 to 4 The fan 300 is located inside the air outlet cavity 130, and the air outlet 112 is located on the wall of the housing 100 corresponding to the air outlet cavity 130. The air outlet 112 is connected to the exhaust port 340 of the fan 300. The air inlet 351 of the fan 300 is located on the side of the fan 300 close to the first heat exchanger 200. When the fan 300 is working, a negative pressure is generated between the fan 300 and the first heat exchanger 200, so that the outdoor air in the air inlet cavity 120 can flow through the first heat exchanger 200 and then enter the fan 300.

[0045] Reference Figure 1 , Figure 2 , Figure 4 and Figure 9 The piping assembly 500 includes a compressor 550 and a hydraulic module for participating in water circulation and heating; wherein, the hydraulic module includes a water pump 510, a second heat exchanger 540, an inlet pipe 520, and an outlet pipe 530; the inlet pipe 520 is used to connect to the outlet connector of an external heating device (or water heater) through an external pipeline, so that water from the external heating device (or water heater) can enter the heat pump device through the inlet pipe 520; while the outlet pipe 530 is used to connect to the inlet connector of an external heating device (or water heater) through an external pipeline, so that the water heated by the heat pump device can flow back to the external heating device (or water heater). The first heat exchanger 540 is a component used to exchange heat between water and refrigerant, and it is equipped with a water flow pipe (not shown in the attached figure) and a second refrigerant pipe (not shown in the attached figure). The two ends of the water flow pipe are connected to the inlet pipe 520 and the outlet pipe 530, respectively. The water pump 510 is connected between the water flow pipe and the inlet pipe 520 (or alternatively, between the water flow pipe and the outlet pipe 530), and is connected in series with the inlet pipe 520, the water flow pipe and the outlet pipe 530 to form the water flow path inside the heat pump equipment, and is used to provide the power for water to circulate between the water flow path and the external heating equipment (or water heater).

[0046] The compressor 550 is connected to the first refrigerant pipeline and the second refrigerant pipeline to form a heat pump system, so that the refrigerant can circulate through the first refrigerant pipeline and the second refrigerant pipeline. After exchanging heat with the outdoor air, the refrigerant flowing through the first refrigerant pipeline can also exchange heat with the water flowing through the water pipeline in the second refrigerant pipeline, thereby working with the hydraulic module to achieve circulating heating of water in the heating equipment (or water heater).

[0047] Understandably, considering that the fan 300 is installed in the air outlet cavity 130, in order to make full use of space and facilitate pipe connection, the pipe assembly 500 is set in the air inlet cavity 120, thereby avoiding the pipe connection difficulties caused by some pipes needing to cross the first heat exchanger 200 due to the various components in the hydraulic module and heat pump system being separately located in the air inlet cavity 120 and the air outlet cavity 130.

[0048] It should be understood that when the heat pump device in this embodiment is working, a negative pressure will be generated between the air intake 351 of the fan 300 and the first heat exchanger 200 under the action of the fan 300. This allows the air in the air inlet chamber 120 to exchange heat with the refrigerant flowing through the first refrigerant pipeline via the first heat exchanger 200. At the same time, since the water flow pipeline in the second heat exchanger 540 is connected in series with the water pump 510, the inlet pipe 520, and the outlet pipe 530 to form a water flow path inside the heat pump device, the water in the external heating device (or water heater) can circulate between the hydraulic module and the external heating device (or water heater) under the action of the water pump 510. Under the action of the compressor 550, the refrigerant can circulate in the heat pump system. And when the refrigerant flows through the second refrigerant pipeline, it can transfer heat under the action of the second heat exchanger 540. The circulating water flowing through the water pipes circulates and heats the water in the heating equipment (or water heater). Furthermore, because the housing 100 is equipped with an air inlet 111 for connecting to the suction pipe and an air outlet 112 for connecting to the exhaust pipe, even when the heat pump device of this embodiment is installed indoors, outdoor ambient air can still be introduced into the air inlet chamber 120 of the heat pump device via the suction pipe and air inlet 111. The air that has undergone heat exchange in the fan 300 is then discharged outdoors via the air outlet 112 and exhaust pipe, thus achieving circulating heat exchange from the outdoor ambient air. Therefore, even when installed indoors, the heat pump device of this embodiment can absorb heat from the outdoor ambient air to circulate and heat the water in the heating equipment (or water heater), thereby eliminating many of the negative effects caused by outdoor installation.

[0049] It is understood that, in order for the heat pump device to be used not only for circulating and heating water in heating equipment (or water heaters) but also for circulating and cooling water, in one embodiment, reference is made to... Figure 9The piping assembly 500 also includes a four-way valve 570 and a throttling component 560. The throttling component 560 is connected between the first refrigerant pipeline and the second refrigerant pipeline. The four-way valve 570 is connected to the compressor 550, the first refrigerant pipeline and the second refrigerant pipeline through its four valve ports, respectively, to realize the switching of the refrigerant flow direction in the heat pump system, thereby realizing the switching of the heating and cooling functions of the heat pump equipment.

[0050] For ease of description, the four ports of the four-way valve 570 are named sequentially as the first port, second port, third port, and fourth port. The interface of the compressor 550 for outputting compressed liquid refrigerant is named the refrigerant outlet, and the interface of the compressor 550 for allowing gaseous refrigerant to enter is named the refrigerant inlet. The first port is connected to the refrigerant outlet, the second port is connected to the refrigerant inlet, the third port is connected to the end of the second refrigerant line furthest from the throttling component 560, and the fourth port is connected to the end of the first refrigerant line furthest from the throttling component 560. Furthermore, by controlling the four-way valve 570, it can switch between two different states. In the first state, the first valve port is connected to the third valve port, and the second valve port is connected to the fourth valve port, so that the refrigerant output from the compressor 550 can flow sequentially through the second refrigerant pipeline, the throttling device 560, and the first refrigerant pipeline before returning to the compressor 550, and can heat the water flowing through the second heat exchanger 540 (water pipeline); in the second state, the four-way valve 570 is connected to the fourth valve port, and the second valve port is connected to the third valve port, so that the refrigerant output from the compressor 550 can flow sequentially through the first refrigerant pipeline, the throttling device 560, and the second refrigerant pipeline before returning to the compressor 550, and can cool the water flowing through the second heat exchanger 540 (water pipeline).

[0051] It is understood that in one embodiment, the throttling component 560 includes an electronic expansion valve. It should be understood that in other embodiments, the throttling component 560 may also include a capillary tube; or, in other embodiments, the throttling component 560 includes both an electronic expansion valve and a capillary tube to perform two-stage throttling of the refrigerant, further reducing the refrigerant pressure, which is beneficial for increasing the refrigerant flow rate and improving heat exchange efficiency.

[0052] It is understood that the compressor 550, the second heat exchanger 540, and the water pump 510 are located on the side of the air inlet cavity 120 that is relatively far away from the first heat exchanger 200, and are spaced a certain distance from the first heat exchanger 200, in order to reduce the wind resistance when air flows through the first heat exchanger 200. Furthermore, in some embodiments, the compressor 550 includes a liquid receiver 551. Since the liquid receiver 551 stores liquid refrigerant, its temperature is relatively low. To reduce heat loss of the outdoor air entering through the air inlet 111, the orthographic projection of the liquid receiver 551 is offset from the orthographic projection of the air inlet 111 on a projection plane perpendicular to the first direction X, so as to prevent the outdoor air entering the air inlet cavity 120 from directly blowing onto the liquid receiver 551, thereby minimizing the contact between the drawn-in outdoor air and the liquid receiver 551, and thus reducing the energy loss of the outdoor air before heat exchange with the first heat exchanger 200. Meanwhile, along the first direction X, the liquid reservoir 551 is located on the side of the second heat exchanger 540 away from the air inlet 111. That is, the second heat exchanger 540 and the liquid reservoir 551 are arranged sequentially along the air inlet 111. On the projection plane perpendicular to the first direction X, the orthographic projection of at least a part of the structure of the liquid reservoir 551 is located within the orthographic projection of the second heat exchanger 540. This allows the second heat exchanger 540 to shield the liquid reservoir 551 from the wind, thereby further reducing the contact between the outdoor air entering the air inlet cavity 120 and the liquid reservoir 551, and further reducing the energy loss of the outdoor air before it exchanges heat with the first heat exchanger 200.

[0053] For example, in one embodiment, reference Figure 2 and Figure 4 The air inlet 111 is located on the top plate 110 of the housing 100, and is positioned at the middle right side of the top plate 110. At this time, the first direction X is vertically downward, that is, the air inlet 111 is used to draw outdoor air from top to bottom into the air inlet cavity 120 in a direction perpendicular to the top plate 110. The liquid reservoir 551 is located on the rear panel 176 of the housing 100, so that the orthographic projection of the liquid reservoir 551 on the top plate 110 is offset from the position of the air inlet 111, thereby preventing the outdoor air drawn from top to bottom through the air inlet 111 from blowing directly onto the liquid reservoir 551. The second heat exchanger 540 is also located on the rear panel 176, and the second heat exchanger 540 is located directly above the liquid reservoir 551 to block the wind on the upper side of the liquid reservoir 551.

[0054] Understandably, in order for the heat pump equipment to circulate and heat water from various external devices, in some embodiments, the inlet pipe 520 and outlet pipe 530 are provided in multiple quantities according to the number of external devices to be connected. The hydraulic module also includes an inlet multi-way valve 580 and an outlet multi-way valve 590. The inlet multi-way valve 580 includes one first outlet valve and multiple first inlet valves. By controlling the inlet multi-way valve 580, the first outlet valve can be selectively connected to any one of the first inlet valves. Similarly, the outlet multi-way valve 590 includes one second inlet valve and multiple second outlet valves. By controlling the outlet multi-way valve 590, the second inlet valve can be selectively connected to any one of the second outlet valves. Furthermore, the first outlet valve of the inlet multi-way valve 580 and the second inlet valve of the outlet multi-way valve 590 are... The inlet of the water pump 510 is not connected to the outlet of the water pipe. The other multiple first inlet valve ports of the inlet multi-way valve 580 are connected to the respective inlet pipes 520, and the other multiple second outlet valve ports of the outlet multi-way valve 590 are connected to the respective outlet pipes 530. In other words, the inlet of the water pump 510 is connected to the respective inlet pipes 520 through the inlet multi-way valve 580, and the outlet of the water pipe is connected to the respective outlet pipes 530 through the outlet multi-way valve 590. Thus, when it is necessary to circulate and heat the water in one of the external devices, the first outlet valve port of the inlet multi-way valve 580 is connected to the first inlet valve port of the inlet pipe 520 connected to the target external device, and the second inlet valve port of the outlet multi-way valve 590 is connected to the second outlet valve port of the outlet pipe 530 connected to the target external device.

[0055] For example, refer to Figure 9In one embodiment, the heat pump device needs to circulate and heat water from two different external devices: an external heating device and an external water heater. The inlet pipe 520 includes a first inlet pipe 521 for connecting to the outlet of the heating device and a second inlet pipe 522 for connecting to the outlet of the water heater. The outlet pipe 530 includes a first outlet pipe 531 for connecting to the inlet of the heating device and a second outlet pipe 532 for connecting to the inlet of the water heater. The hydraulic module also includes an inlet multi-channel water heater. The system includes a multi-port valve 580 and an outlet multi-port valve 590. The inlet multi-port valve 580 includes one first outlet valve and two second inlet valves. By controlling the inlet multi-port valve 580, the first outlet valve can be selectively connected to either of the two first inlet valves. Similarly, the outlet multi-port valve 590 includes one second inlet valve and two second outlet valves. By controlling the outlet multi-port valve 590, the second inlet valve can be selectively connected to either of the two second outlet valves. Furthermore, the inlet multi-port valve 580... The first outlet valve port of the pump 510 and the second inlet valve port of the multi-way valve 590 are respectively connected to the inlet of the pump 510 and the outlet of the water pipe. The two first inlet valve ports of the multi-way valve 580 are respectively connected to the first inlet pipe 521 and the second inlet pipe 522, and the two second outlet valve ports of the multi-way valve 590 are respectively connected to the first outlet pipe 531 and the second outlet pipe 532. Therefore, when it is necessary to circulate and heat the water in the heating equipment, the first outlet valve port of the multi-way valve 580 is controlled to connect to the first outlet pipe 521 and the second outlet pipe 522. The first inlet valve port corresponding to the inlet pipe 521 is connected, and the outlet multi-way valve 590 is controlled to connect the second inlet valve port corresponding to the first outlet pipe 531; when it is necessary to circulate and heat the water in the water heater, the first outlet valve port is connected to the first inlet valve port corresponding to the second inlet pipe 522 by controlling the inlet multi-way valve 580, and the second inlet valve port is connected to the second outlet valve port corresponding to the second outlet pipe 532 by controlling the outlet multi-way valve 590.

[0056] It should be understood that, with reference Figure 2 and Figure 9To facilitate connection to external equipment via pipes, water pipe connectors 533 are connected to the ends of the first and second water inlet pipes 521 and 522 away from the inlet multi-way valve 580, and to the ends of the first and second water outlet pipes 531 and 532 away from the outlet multi-way valve 590. The water pipe connectors 533 are all installed through the base plate 140 of the housing 100. Furthermore, to facilitate the installation and fixing of the water pipe connectors 533, a pipe connector mounting seat 150 is installed on the upper surface of the base plate 140, and each water pipe connector 533 is installed and connected to the pipe connector mounting seat 150. Simultaneously, to prevent damage to the water pipe connectors 533 when the heat pump housing 100 is placed directly on the ground, foot pads 160 are provided at the bottom of the housing 100, thereby raising the entire heat pump equipment and protecting the water pipe connectors 533.

[0057] It is understood that, to facilitate the connection of the air intake duct, in some embodiments, the housing 100 is provided with a first duct connection structure, which is correspondingly located at the air inlet 111, so as to connect the air intake duct through the first duct connection structure; for example, in one embodiment, referring to Figure 3 The first duct connection structure includes multiple pipe connection holes 115. The multiple pipe connection holes 115 are arranged on the wall of the housing 100 and are spaced around the air inlet 111. The end of the air intake duct that is connected to the air inlet 111 is provided with a first pipe flange (not shown in the figure), and the first pipe flange is connected to the housing 100 by fasteners passing through the pipe connection holes 115.

[0058] It should be understood that, in addition to the aforementioned pipe connection hole 115, in some other embodiments, the first duct connection structure may also be a second pipe flange located on the outside of the box wall of the box 100 and corresponding to the position of the air inlet 111. The end of the air intake duct used to connect to the air inlet 111 is provided with the first pipe flange, and the first pipe flange is connected to the second pipe flange by fasteners.

[0059] It is understood that, in order to facilitate the connection of exhaust ducts, in some embodiments, the housing 100 is provided with a second duct connection structure, which is correspondingly set at the air outlet 112, so as to connect the exhaust duct through the second duct connection structure; and it should be understood that the specific setting form of the second duct connection structure can be selected to refer to the first duct connection structure described above.

[0060] It is understood that, in order to better direct the air flowing through the first heat exchanger 200 to the fan 300, in one embodiment, reference is made to... Figure 1 , Figure 4 and Figure 6A guide plate 350 is provided on the side of the fan 300 near the first heat exchanger 200, and the air inlet 351 of the fan 300 is provided on the guide plate 350. A static pressure chamber 600 is formed between the guide plate 350 and the first heat exchanger 200, so that the negative pressure generated when the fan 300 is working can be concentrated on the first heat exchanger 200 through the static pressure chamber 600.

[0061] Meanwhile, the first heat exchanger 200 is tilted relative to the air intake direction Y of the air inlet 351 to increase the distance between the air inlet 351 and the fins in the first heat exchanger 200, thereby preventing the airflow velocity near the fins of the air inlet 351 from being too fast.

[0062] Furthermore, in order to improve the uniformity of airflow at various locations on the first heat exchanger 200, the tilt direction of the first heat exchanger 200 is set such that the distance between the first heat exchanger 200 and the air guide plate 350 gradually increases in the first direction X. This results in the static pressure chamber 600 having a triangular or trapezoidal longitudinal section in the air intake direction Y parallel to the air intake port 351 and in the first direction X.

[0063] It should be understood that, by employing the heat pump equipment of this embodiment, when the fan 300 is operating, outdoor air can sequentially enter the fan 300 through the air inlet 111, air inlet chamber 120, first heat exchanger 200, static pressure chamber 600, and air intake 351. Under the action of the fan 300, the air that has completed heat exchange with the first heat exchanger 200 is discharged from the housing 100 through the exhaust port 340 and the outlet port 112, thereby completing heat exchange with the outdoor air; and because the first heat exchanger 200 is relative to the air intake 351 The air intake direction Y is tilted, and the longitudinal section of the static pressure chamber 600 in the air intake direction Y parallel to the air intake port 351 is triangular or trapezoidal. This increases the distance from the air intake port 351 to the first heat exchanger 200 and increases the volume of the static pressure chamber 600. As a result, the air velocity passing through the fins of the first heat exchanger 200 is reduced, especially the air velocity passing through the fins near the air intake port 351. This allows the air to fully contact the fins, thereby improving heat exchange efficiency and reducing noise.

[0064] Furthermore, since the width of the static pressure chamber 600 in the air intake direction Y and the first direction X parallel to the air inlet 351 gradually changes from one end of the inclined direction of the first heat exchanger 200 to the other end, the wind resistance from the end of the first heat exchanger 200 corresponding to the wider section of the static pressure chamber 600 (that is, the end relatively far from the air inlet 111) to the air inlet 351 is relatively small, while the wind resistance from the end of the first heat exchanger 200 corresponding to the narrower section of the static pressure chamber 600 (that is, the end relatively close to the air inlet 111) to the air inlet 351 is relatively small. This can change the uniformity of the air field in the air inlet chamber 120, so that although the end of the first heat exchanger 200 that is relatively far from the air inlet 111 is farther away from the air inlet 111, it can still have a similar or close air volume to the end that is relatively close to the air inlet 111. This allows the air to flow more evenly through the first heat exchanger 200 to improve the heat exchange effect.

[0065] At the same time, it should be understood that the inclined arrangement of the first heat exchanger 200 can further increase the area of ​​the first heat exchanger 200, thereby accommodating a larger number of heat exchange tubes, which is also conducive to further improving the heat exchange efficiency.

[0066] It is understood that in one embodiment, the angle between the first heat exchanger 200 and the air intake direction Y of the air inlet 351 is 75°, that is, the angle between the first heat exchanger 200 and the air guide plate 350 is 15°; and it should be understood that in some other embodiments, the first heat exchanger 200 can be tilted at more angles depending on the actual scenario of the box.

[0067] It is understandable that, in order to reduce the wind resistance of outdoor air entering the heat pump equipment, in some embodiments, the housing 100 is provided with an air guide ring 113, which is located at the position of the housing 100 corresponding to the air inlet 111, and the air guide ring 113 is provided with an annular air guiding structure 114 so as to smoothly guide outdoor air into the air inlet cavity 120 through the air guiding structure 114.

[0068] For example, in one embodiment, reference Figure 4 and Figure 5 The cross-section of the air guide structure 114 is a continuous rounded corner, and in the air inlet direction of the air inlet 111, that is, in the first direction X, the continuous rounded corner extends from the air inlet side of the air guide ring 113 to the air outlet side of the air guide ring 113. There is a clear separation phenomenon when the relative airflow passes over the surface of the right-angle structure. When the airflow passes over the rounded corner structure, it will flow along the rounded corner surface, thereby reducing wind resistance, increasing air volume and reducing noise. Through the air guide structure 114 with a continuous rounded corner cross-section, it can guide the air at both the air inlet side and the air outlet side of the air inlet 111, thereby further reducing wind resistance and noise.

[0069] Understandably, to avoid the air guide ring 113 protruding from the surface of the housing 100 and affecting the aesthetics, refer to Figure 4 and Figure 5 In one embodiment, the air guide ring 113 is disposed on the inner side of the housing 100. It should be understood that in other embodiments, the air guide ring 113 may also be disposed on the outer side of the housing 100, and the air guide ring 113 may be used as an interface for connecting the air intake duct, thereby facilitating the guidance of outdoor air in the outdoor environment to the air intake 111 through the air intake duct.

[0070] It is understandable that, for heat pump equipment applied indoors, in order to facilitate the connection between the outdoor environment and the air inlet 111 and the outdoor environment and the air outlet 112 through the air inlet pipe and the air outlet pipe respectively, in some embodiments, the air inlet 111 and the air outlet 112 are set on the same side wall of the housing 100. In order to enable the outdoor air entering the housing 100 through the air inlet 111 to be discharged to the outside of the housing 100 in the reverse direction, the fan 300 is a centrifugal fan 300. That is, the air inlet 351 of the fan 300 is set in the middle of the impeller 310 in the fan 300, while the air outlet 340 of the fan 300 is set on the periphery of the impeller 310. At the same time, the air intake direction Y of the air inlet 351 is perpendicular to the first direction X (that is, the air intake direction of the air inlet 111).

[0071] For example, in one embodiment, reference Figure 4Both the air inlet 111 and the air outlet 112 are located on the top plate 110 (i.e., the top wall) of the housing 100, so that a pipe connecting the air inlet 111 and the air outlet 112 can be installed from above the housing 100, allowing the air inlet 111 and the air outlet 112 to connect to the outdoor environment. The fan 300 is installed in the housing 100 with the impeller 310 rotating horizontally and parallel to the left and right direction. The air intake 351 is located on the right side of the fan 300 housing, directly opposite the center of the impeller 310, so that air can be drawn into the fan 300 in the front-to-back direction. The first heat exchanger 200 is installed in the housing 100 at an angle in the left and right direction, and is located in the air intake 351. The fan 300 is positioned on the right side of the fan 300, and the upper end of the first heat exchanger 200 is positioned closer to the fan 300 than the lower end. This makes the cross-section of the static pressure chamber 600 on the vertical plane parallel to the left and right directions approximately trapezoidal. Furthermore, the width of the cross-section of the static pressure chamber 600 gradually increases from top to bottom. This results in less air resistance when air is drawn from the lower end of the static pressure chamber 600 into the air inlet 351 than when it is drawn from the upper end of the static pressure chamber 600 into the air inlet 351. Consequently, although the lower end of the first heat exchanger 200 is farther from the air inlet 111 than the upper end, it can still have a similar or close airflow to the upper end. This allows the air to flow more evenly through the first heat exchanger 200, thereby improving the heat exchange effect.

[0072] It should be understood that, in addition to being optionally located on the top plate 110 of the housing 100, the air inlet 111 and the air outlet 112 can also be optionally located on other walls of the housing 100, such as on the bottom plate 140 of the housing 100 or on the left or right side plate of the housing 100, in some other embodiments.

[0073] It is understood that, in order to enclose and form a static pressure chamber 600 between the first heat exchanger 200 and the air guide plate 350, in some embodiments, reference is made to... Figure 6 The air guide plate 350 has a flange on its edge. The flange is bent relative to the air guide plate 350 toward the first heat exchanger 200, so that the air guide plate 350 and the flange form a bucket-shaped structure with the opening facing the first heat exchanger 200. The end of the flange away from the air guide plate 350 abuts against the first heat exchanger 200, that is, the first heat exchanger 200 is located at the opening of the bucket-shaped structure. Thus, the first heat exchanger 200, together with the air guide plate 350 and the flange, enclose and form a static pressure chamber 600.

[0074] It should be understood that, in order to cooperate with the air guide plate 350 and the first heat exchanger 200 to form a static pressure cavity 600, in addition to the above-mentioned flanged method, in other embodiments, the box walls of the box body 100 corresponding to the air guide plate 350 and the first heat exchanger 200 can be used to cooperate with the air guide plate 350 and the first heat exchanger 200 to form a static pressure cavity 600; or, sheet metal parts can be installed inside the box body 100 to cooperate with the air guide plate 350 and the first heat exchanger 200 to form a static pressure cavity 600.

[0075] Understandably, referring to Figure 7 The first heat exchanger 200 includes a heat exchange body 210 and two side plates 220. The heat exchange body 210 includes multiple heat exchange units composed of heat exchange tubes and fins. The two side plates 220 are respectively connected to the two ends of the heat exchange body 210 in the width direction to integrate and fix each heat exchange unit.

[0076] Meanwhile, to facilitate the installation and fixation of the first heat exchanger 200 on the fan 300, in one embodiment, refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 The flange includes a first flange 360 ​​and a second flange 370 that are respectively opposite to the two side plates 220, and the first flange 360 ​​and the second flange 370 are respectively attached to the two side plates 220.

[0077] Furthermore, multiple first connecting holes 371 are provided on both the first flange 360 ​​and the second flange 370. The multiple first connecting holes 371 are arranged at intervals along the length direction of the first flange 360 ​​or the second flange 370. Multiple second connecting holes 222 are provided on both side plates 220. The multiple second connecting holes 222 are arranged at intervals along the length direction of the side plates 220, and the positions of the second connecting holes 222 correspond one-to-one with the positions of the first connecting holes 371. Thus, the two side plates 220 can be connected and fixed to the first flange 360 ​​or the second flange 370 by fasteners passing through the first connecting holes 371 and the second connecting holes 222, thereby realizing the fixation of the first heat exchanger 200.

[0078] Furthermore, in order to quickly complete the pre-positioning of the first heat exchanger 200 during the installation process, in one embodiment, reference is made to... Figure 1 , Figure 2 , Figure 6 and Figure 7The flange includes a third flange 380 and a fourth flange 390, which abut against the two ends of the first heat exchanger 200 in the inclined direction. The third flange 380 and the fourth flange 390 are provided with snap-fit ​​grooves 391 at the positions corresponding to the side plate 220. The side plate 220 protrudes from the heat exchange body 210 on the side facing the fan 300 and forms a snap-fit ​​part 221 for engaging with the snap-fit ​​groove 391. The engagement of the snap-fit ​​part 221 with the snap-fit ​​groove 391 restricts the movement of the first heat exchanger 200 except in the length direction of the side plate 220.

[0079] At the same time, refer to Figure 8 To prevent the first heat exchanger 200 from being snapped into the fan 300 by the engagement of the snap-fit ​​part 221 and the snap-fit ​​groove 391, the second connecting hole 222 and the first connecting hole 371 are misaligned in the length direction of the side plate 220. A limiting part 223 is provided at one end of the snap-fit ​​part 221 near the third flange 380. The limiting part 223 is bent relative to the snap-fit ​​part 221 toward the heat exchange body 210 so that the limiting part 223 can abut against the third flange 380, thereby restricting the movement of the first heat exchanger 200 in the length direction of the side plate 220. During installation, the first heat exchanger 200 can be first engaged in the corresponding slot 391 via the snap-fit ​​part 221, and then the first heat exchanger 200 can be slid along the length of the side plate 220 so that the limiting part 223 abuts against the third flange 380. At this time, the pre-positioning of the first heat exchanger 200 can be completed, so that the second connecting hole 222 on the first heat exchanger 200 can be aligned one by one with the first connecting hole 371 on the fan 300, so that the connection between the first heat exchanger 200 and the fan 300 can be realized by fasteners.

[0080] It is understandable that, in order to secure the first heat exchanger 200 within the housing 100, in some embodiments, reference is made to... Figure 1 , Figure 2 , Figure 6 and Figure 7 A connecting part 224 is provided at one end of the side plate 220 near the third flange 380. The connecting part 224 is bent relative to the main body of the side plate 220 toward the side away from the heat exchange body 210, and a third connecting hole 225 is provided on the connecting part 224. A fourth connecting hole is provided on the box wall (bottom plate 140) of the box body 100 at the position corresponding to the third connecting hole 225, so that the connecting part 224 can be fixedly connected to the box body 100 by fasteners passing through the third connecting hole 225 and the fourth connecting hole.

[0081] It should be understood that, in some embodiments, the heat pump device further includes an electrical control box 400, which is disposed inside the housing 100 and electrically connected to the electrical components inside the housing 100. The electrical control box 400 has a heat dissipation portion 410 protruding from one side of its housing. The heat dissipation portion 410 is at least partially disposed within the static pressure chamber 600, so as to use the heat-exchanged air to air-cool the heat dissipation portion 410, thereby improving the heat dissipation effect of the electrical control box 400. For example, in one embodiment, referring to… Figure 1 , Figure 4 and Figure 6 The fan 300 includes a left volute 320, a right volute 330, and a fan wheel 310. The left volute 320 and the right volute 330 are connected and assembled to form the housing of the fan 300. The air guide plate 350 is located on the side of the right volute 330 away from the left volute 320. The electrical control box 400 is installed below the left volute 320. The air guide plate 350 has an insertion opening 352 at the position of the heat dissipation part 410 on the electrical control box 400. The heat dissipation part 410 passes through the insertion opening 352 and is partially located in the static pressure chamber 600.

[0082] It is understandable that, to facilitate subsequent disassembly, assembly, and maintenance of the heat pump equipment, some embodiments refer to... Figures 10 to 12The housing 100 includes a bottom plate 140, a top plate 110, a left side panel 171, a right side panel 174, a front side panel 175, a rear side panel 176, a left support column 180, and a right support column 190. The left support column 180 is located at the intersection of the left side and the front side of the housing 100, while the right support column 190 is located at the intersection of the right side and the front side of the housing 100. The left support column 180 has a left main body portion 181 located at the edge of the left side of the housing 100 and a first front main body portion 182 located at the edge of the front side of the housing 100. First insertion slots extending in the vertical direction are respectively provided on the first front main body portion 182 and the left main body portion 181. 183 and second insertion slot; similarly, the right support column 190 has a right main body portion 191 located at the right side edge of the box 100 and a second front main body portion 192 located at the front side edge of the box 100, and the right main body portion 191 and the second front main body portion 192 are also respectively provided with a third insertion slot and a fourth insertion slot extending in the vertical direction; the rear panel 176 is correspondingly provided on the rear side of the box 100, and the rear panel 176 is also provided with a fifth insertion slot and a sixth insertion slot extending in the vertical direction on both sides in the left and right directions; the left panel 171 is correspondingly installed on the left side of the box 100, and the left panel 171 is provided with a first hook 17 on both sides in the front and rear directions. 2. The first hook 172 and the second hook are respectively used to engage with the second insertion slot and the fifth insertion slot; similarly, the front panel 175 is correspondingly provided on the front side of the housing 100, and the left and right sides of the front panel 175 are respectively provided with the third hook and the fourth hook, which are respectively used to engage with the first insertion slot 183 and the fourth insertion slot; while the right side panel 174 is correspondingly installed on the right side of the housing 100, and the right side panel 174 is respectively provided with the fifth hook and the sixth hook on both sides in the front and rear directions, which are respectively used to engage with the third insertion slot and the sixth insertion slot; at the same time, in order to realize the left side panel 171, right side panel 174, The connection between the front panel 175, rear panel 176, left support column 180, and right support column 190 and the base plate 140 is as follows: the lower ends of the left panel 171, right panel 174, front panel 175, rear panel 176, left support column 180, and right support column 190 are all provided with first mounting connection holes 173, and the base plate 140 is provided with second mounting connection holes 141 corresponding to the positions of the first mounting connection holes 173. Thus, the lower ends of the left panel 171, right panel 174, front panel 175, rear panel 176, left support column 180, and right support column 190 are fixed to the base plate 140 by fasteners passing through the first mounting connection holes 173 and the second mounting connection holes 141.Similarly, the upper ends of the rear panel 176, left support column 180, and right support column 190 are all provided with third mounting connection holes 177, and the top plate 110 is provided with a fourth mounting connection hole 116 corresponding to the third mounting connection hole 177. Thus, fasteners passing through the third mounting connection hole 177 and the fourth mounting connection hole 116 are used to fix the upper ends of the rear panel 176, left support column 180, and right support column 190 to the top plate 110.

[0083] Meanwhile, it should be understood that the first to sixth insertion slots have the same structure, and all are wider at the bottom and narrower at the top. Furthermore, the first to sixth hooks have the same structure, and their openings all face upwards. Therefore, through this structure, when installing the housing 100, the lower ends of the rear panel 176, left support column 180, and right support column 190 can be first connected to the base plate 140 using fasteners. Then, the top plate 110 is connected and fixed to the upper ends of the rear panel 176, left support column 180, and right support column 190 using fasteners. Finally, the left panel 171 is slid from bottom to top, so that the first hook 172 and the second hook engage with the second and fifth insertion slots respectively, thereby engaging the left panel 171. Between the left support column 180 and the rear panel 176; then slide the right panel 174 from bottom to top so that the fifth and sixth hooks engage with the third and sixth insertion slots respectively, thereby securing the right panel 174 between the right support column 190 and the rear panel 176; similarly, slide the front panel 175 from bottom to top so that the third and fourth hooks engage with the first insertion slot 183 and the fourth insertion slot respectively, thereby securing the front panel 175 between the left support column 180 and the right support column 190; finally, connect the lower ends of the left panel 171, right panel 174 and front panel 175 to the base plate 140 using fasteners; when it is necessary to disassemble the housing 100, simply reverse the above steps.

[0084] It should be understood that, in one embodiment, the base plate 140 is a drip tray to collect condensate generated during the operation of the heat pump equipment.

[0085] The following describes a hot water heating system according to a second aspect of the present invention. This hot water heating system includes the heat pump device described in the first aspect of the present invention. By using the heat pump device described in the first aspect of the present invention, the heat pump device can still absorb heat from the outdoor ambient air to circulate and heat the water in the heating equipment or water heater when it is installed indoors, thereby eliminating many of the effects caused by the heat pump device being installed outdoors.

[0086] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heat pump device, characterized in that, include: The housing is equipped with an air inlet for connecting to the suction duct and an air outlet for connecting to the exhaust duct. A first heat exchanger is disposed inside the housing. The first heat exchanger divides the interior of the housing into an air inlet chamber and an air outlet chamber. The air inlet is connected to the air inlet chamber. The first heat exchanger is provided with a first refrigerant pipeline. When the refrigerant passes through the first refrigerant pipeline, it can exchange heat with the air flowing through the first heat exchanger. A fan is installed inside the air outlet cavity, the exhaust port of the fan is connected to the air outlet, and an air intake port is provided on the side of the fan near the first heat exchanger. A piping assembly is disposed within the air inlet cavity. The piping assembly includes a hydraulic module and a compressor. The hydraulic module includes a water pump, a second heat exchanger, an inlet pipe, and an outlet pipe. The second heat exchanger is provided with a water flow pipeline connected in series with the inlet pipe, the water pump, and the outlet pipe, and a second refrigerant pipeline connected with the compressor and the first refrigerant pipeline to form a heat pump system. The compressor includes a liquid receiver. On a projection plane perpendicular to the air inlet direction, the orthographic projection of the liquid receiver is offset from the orthographic projection of the air inlet. The second heat exchanger and the liquid receiver are arranged sequentially along the air inlet direction. On a projection plane perpendicular to the air inlet direction, the orthographic projection of at least a portion of the structure of the liquid receiver is located within the orthographic projection of the second heat exchanger.

2. The heat pump device according to claim 1, characterized in that, A guide vane is provided on the side of the fan near the first heat exchanger. The guide vane has an air intake, and a static pressure chamber is formed between the guide vane and the first heat exchanger. The first heat exchanger is inclined relative to the air intake direction of the air intake, and the distance between the first heat exchanger and the guide vane gradually increases in the air intake direction of the air inlet.

3. A heat pump device according to claim 2, characterized in that, The edge of the air guide plate is provided with a flange that bends toward the first heat exchanger. The flange abuts against the first heat exchanger. The air guide plate, the flange, and the first heat exchanger together enclose the static pressure chamber.

4. A heat pump device according to claim 2, characterized in that, The heat pump device includes an electrical control box, and a heat dissipation part is provided on one side of the electrical control box. The heat dissipation part is at least partially located inside the static pressure chamber.

5. A heat pump device according to claim 1, characterized in that, The housing is provided with an air guide ring at the air inlet, and the air guide ring includes an annular air guiding structure.

6. A heat pump device according to claim 5, characterized in that, The cross-section of the air guide structure has continuous rounded corners.

7. A heat pump device according to claim 1, characterized in that, The hydraulic module includes an inlet multi-way valve and an outlet multi-way valve. Multiple inlet pipes and outlet pipes are provided. The inlet of the water pump is connected to each inlet pipe through the inlet multi-way valve, and the outlet of the water flow pipeline is connected to each outlet pipe through the outlet multi-way valve.

8. A heat pump device according to claim 1, characterized in that, The piping assembly also includes a four-way valve and a throttling component. The throttling component is connected between the first refrigerant pipeline and the second refrigerant pipeline. The compressor has a refrigerant outlet and a refrigerant inlet. The refrigerant outlet and the refrigerant inlet are respectively connected to the first valve port and the second valve port of the four-way valve. The end of the second refrigerant pipeline away from the throttling component is connected to the third valve port of the four-way valve. The end of the first refrigerant pipeline away from the throttling component is connected to the fourth valve port of the four-way valve.

9. A heat pump device according to claim 1, characterized in that, The housing is provided with a first duct connection structure at the air inlet, and the first duct connection structure is used to connect the air intake duct; and / or, the housing is provided with a second duct connection structure at the air outlet, and the second duct connection structure is used to connect the exhaust duct.

10. A hot water heating system, characterized in that: It includes the heat pump equipment as described in any one of claims 1 to 9.

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