Exhaust structure and water heater

Abstract

The utility model provides an exhaust structure and a water heater, the exhaust structure comprises a unit, a condenser assembly and a fan assembly, the unit comprises a unit interior and a unit periphery, and a compressor filled with combustible refrigerant and a pipeline structure connected with the compressor are arranged in the unit; the condenser assembly is arranged on one side of the periphery of the unit. The fan assembly is arranged on the other side of the periphery of the unit, communicates with the outside and is used for exhausting gas in the unit. When the fan assembly is started, airflow enters the unit from one side of the condenser assembly and is exhausted to the outside through the fan assembly. The air conditioner unit is provided with the condenser assembly and the fan assembly, the fan assembly exhausts air outwards, air flow enters from one side of the condenser assembly, a wind field is formed in the unit, leaked combustible refrigerants are discharged to the outside along with the wind field, the combustible refrigerants are prevented from being gathered in the unit, the concentration of the combustible refrigerants is prevented from reaching the combustible concentration standard, and the combustible refrigerants are prevented from leaking out. And the burning explosion phenomenon caused by contact between the combustible refrigerant and the ignition source switching device is avoided, and the safety performance of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pumps, in particular to an exhaust structure and a water heater. Background Art

[0002] With the rapid development of economy and the improvement of people's living standards, domestic hot water has become a necessity of people's lives, while the operation of energy-saving and environmentally friendly solar water heaters is restricted by meteorological conditions; heat pump water heaters have the advantages of energy saving and high working efficiency, so heat pump water heaters have gradually become the mainstream.

[0003] Some refrigerants with lower greenhouse effect and more environmentally friendly are gradually replacing traditional fluorine-containing refrigerants to reduce greenhouse gas hydrofluorocarbons. However, environmentally friendly refrigerants are usually highly flammable. When used in heat pump units in indoor environments, the possibility of explosion after the refrigerant leaks and contacts the ignition source switch components inside the unit should be considered. Utility Model Content

[0004] The embodiments of the utility model provide an exhaust structure and a water heater, which can avoid explosion when refrigerant leaks and improve the safety performance of the water heater.

[0005] The utility model provides an exhaust structure, which includes:

[0006] The unit includes an interior of the unit and an exterior of the unit, wherein the interior of the unit is provided with a compressor filled with a flammable refrigerant and a pipeline structure connected thereto;

[0007] A condenser assembly is arranged on one side of the periphery of the unit;

[0008] A fan assembly is arranged on the other side of the periphery of the unit and is connected to the outside world, and is used to discharge the gas inside the unit;

[0009] When the fan assembly is started, airflow enters the unit from one side of the condenser assembly and is discharged to the outside through the fan assembly.

[0010] In the exhaust structure provided by the utility model, the exhaust structure includes three groups of condenser assemblies, the periphery of the unit includes four side walls, the fan assembly is arranged on the side wall on one side of the periphery of the unit, and the three groups of condenser assemblies are respectively arranged on the side walls on the other three sides of the periphery of the unit.

[0011] In the exhaust structure provided by the utility model, the condenser assembly includes a condenser, the condenser extends from the bottom end of the unit periphery to the top end of the unit periphery, and the condenser is fixed on the inner side surface of the unit periphery.

[0012] In the exhaust structure provided by the utility model, the fan assembly includes a bracket, two ends of which are respectively fixedly connected to the bottom end and the top end of the periphery of the unit, and the bracket is used to support and fix the fan blades and the motor.

[0013] In the exhaust structure provided by the utility model, the top end of the bracket extends toward the condenser and overlaps with the condenser.

[0014] In the exhaust structure provided by the utility model, a grille is provided on a side of the unit parallel to the bracket and close to the bracket, and the grille is used to connect the inside of the unit with the outside.

[0015] In the exhaust structure provided by the utility model, the compressor is arranged in the middle of the bottom end of the unit, and the fan assembly is arranged directly opposite to the compressor.

[0016] In the exhaust structure provided by the utility model, the exhaust structure includes an electrical box assembly, and the electrical box assembly is arranged at the top end of the periphery of the unit.

[0017] In the exhaust structure provided by the utility model, the electrical box assembly includes an electrical box and a radiator. The electrical box is fixed to the top of the periphery of the unit. The radiator is installed on a side of the bottom end of the electrical box facing the inside of the unit and is located between the condenser assembly and the fan assembly.

[0018] The utility model also provides a water heater, which comprises:

[0019] A heat pump, comprising the exhaust structure, wherein the exhaust structure is any of the exhaust structures described above;

[0020] The water tank is fixedly arranged on the lower side of the heat pump.

[0021] The utility model provides an exhaust structure and a water heater, wherein the exhaust structure comprises a machine unit, a condenser assembly and a fan assembly, wherein the machine unit comprises an interior of the machine unit and an exterior of the machine unit, wherein a compressor filled with a flammable refrigerant and a pipeline structure connected thereto are arranged inside the machine unit; the condenser assembly is arranged on one side of the exterior of the machine unit; the fan assembly is arranged on the other side of the exterior of the machine unit and is connected to the outside world for exhausting the gas inside the machine unit; wherein, when the fan assembly is started, an airflow enters the interior of the machine unit from one side of the condenser assembly and is exhausted to the outside world via the fan assembly. The present application sets the condenser assembly and the fan assembly, the fan assembly draws air outwards, the air flow enters from one side of the condenser assembly, and the fan assembly discharges air to form a wind field inside the unit, so that the flammable refrigerant leaked inside the unit can be discharged to the outside along with the wind field, so that the flammable refrigerant will not accumulate in large quantities inside the unit, so as to avoid the flammable refrigerant concentration reaching the flammable concentration standard, and at the same time avoid the flammable refrigerant from contacting the ignition source switch device in the heat pump equipment to cause combustion and explosion, thereby improving the safety performance of the heat pump equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural diagram of the exhaust structure in the embodiment of the utility model;

[0024] Figure 2 Another structural diagram of the exhaust structure in the embodiment of the utility model;

[0025] Figure 3 Another structural diagram of the exhaust structure in the embodiment of the utility model;

[0026] Figure 4 This is a structural diagram of a water heater in an embodiment of the utility model;

[0027] Figure 5 for Figure 4 The enlarged view of point A in the middle;

[0028] Figure 6 for Figure 4 The enlarged view of point B in the middle;

[0029] The reference numerals in the figures are:

[0030] 100. heat pump; 110. unit interior; 111. grille; 120. condenser assembly; 121. condenser; 130. fan assembly; 131. bracket; 132. fan blades; 140. compressor; 150. electrical box assembly; 151. electrical box; 152. radiator; 200. water tank. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Now, in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.

[0032] Reference Figures 1 to 6 As shown, it shows an embodiment of the exhaust structure and water heater of the utility model. The exhaust structure includes a unit, a condenser assembly 120 and a fan assembly 130. The unit includes an interior 110 of the unit and an exterior of the unit. The interior 110 of the unit is provided with a compressor filled with a flammable refrigerant and a pipeline structure connected thereto. The condenser assembly 120 is provided on one side of the exterior of the unit; the fan assembly 130 is provided on the other side of the exterior of the unit and is connected to the outside world for exhausting the gas in the interior 110 of the unit; wherein, when the fan assembly 130 is started, the airflow enters the interior 110 of the unit from one side of the condenser assembly 120 and is discharged to the outside world through the fan assembly 130.

[0033] Specifically, heat pump technology is a new energy technology that has received much attention worldwide in recent years. With the development of technology, its application fields are becoming wider and wider. When using heat pump technology, refrigerant is used as the medium. Considering environmental protection issues, environmentally friendly refrigerant is generally used as the medium. The environmentally friendly refrigerant generally has high flammability. When the flammable refrigerant leaks from the compressor 140 or the four-way valve pipeline assembly, it is easy to contact the ignition source switch device inside the heat pump equipment to produce combustion and explosion. Or when a large amount of flammable refrigerant accumulates inside the heat pump equipment for a long time, it is easy to cause the concentration of the local flammable refrigerant to rise to the flammable concentration standard.

[0034] Therefore, the present application is provided with the exhaust structure inside the heat pump equipment, and the exhaust structure is used to discharge the leaked combustible refrigerant to the outside, so as to prevent the combustible refrigerant from contacting the ignition source switch device inside the heat pump equipment to produce combustion and explosion. The exhaust structure includes a unit, a condenser assembly 120 and a fan assembly 130. The unit includes the unit interior 110 and the unit periphery. The unit is used to install the structural parts of the heat pump 100, so that the structural parts are concentrated inside the equipment to support and protect the structural parts. The structural parts include a compressor 140, a four-way valve pipeline assembly, an electrical box assembly 150, a condenser assembly 120, a fan assembly 130, etc. The unit interior 110 is provided with a compressor 140 filled with combustible refrigerant and a pipeline structure connected to the compressor 140. Therefore, when the combustible refrigerant When leaking from the compressor 140 and the pipeline structure, the flammable refrigerant is concentrated in the interior 110 of the unit; the unit periphery refers to the outer range of the unit, isolating the interior 110 of the unit from the outside, and the unit periphery encloses the space inside the unit 110; the condenser assembly 120 is arranged on one side of the unit periphery, and is used to heat the liquefied flammable refrigerant with the air to convert it into a gaseous flammable refrigerant and drain it to the compressor 140 to realize the recycling of the flammable refrigerant; the fan assembly 130 is arranged on the other side of the unit periphery, and the fan assembly 130 is connected to the outside world and is used to discharge the gas inside the unit 110; therefore, when the flammable refrigerant leaks from the compressor 140 and the pipeline structure to the inside of the unit 110, the fan assembly 130 can be started. At this time, the airflow on the side of the condenser assembly 120 away from the inside of the unit 110 flows to the inside of the unit 110, and the fan assembly 130 discharges the gas inside the unit 110 to the outside world. Therefore, the airflow enters the inside of the unit 110 from one side of the condenser assembly 120 and is discharged to the outside world through the fan assembly 130. That is, a wind field is formed between the air inlet of the condenser assembly 120 and the air outlet of the fan assembly 130, so that the flammable refrigerant leaked inside the unit 110 is discharged to the outside along the wind field along with other gases, so that the leaked flammable refrigerant will not accumulate inside the unit 110, avoiding the flammable refrigerant to accumulate in large quantities inside the unit 110 for a long time, causing the local flammable refrigerant concentration to rise to the flammable concentration standard, and at the same time avoiding the flammable refrigerant from contacting the ignition source switch device inside the heat pump equipment to produce combustion and explosion, thereby improving the safety performance of the heat pump equipment.

[0035] The present application sets the condenser assembly 120 and the fan assembly 130, the fan assembly 130 draws air outwards, the air flow enters from one side of the condenser assembly 120, and the fan assembly 130 discharges air to form a wind field inside the unit 110, so that the flammable refrigerant leaked inside the unit 110 can be discharged to the outside along with the wind field, so that the flammable refrigerant will not accumulate in large quantities inside the unit 110, so as to avoid the flammable refrigerant concentration reaching the flammable concentration standard, and at the same time avoid the flammable refrigerant from contacting the ignition source switch device in the heat pump equipment to cause combustion and explosion, thereby improving the safety performance of the heat pump equipment.

[0036] In one embodiment, referring to Figure 1 to Figure 2 As shown, the exhaust structure includes three groups of condenser components 120 ( Figure 1 and Figure 2The dotted frame portion in the figure), the unit periphery includes four side walls, the fan assembly 130 is arranged on the side wall on one side of the unit periphery, and the three groups of condenser assemblies 120 are respectively arranged on the side walls on the other three sides of the unit periphery. Specifically, the condenser assembly 120 is used to convert the liquefied combustible refrigerant into a gaseous combustible refrigerant through heat exchange with air and drain it to the compressor 140 to achieve the recycling of the combustible refrigerant; the condenser assembly 120 is arranged at the periphery of the unit. In the present embodiment, three groups of the condenser assemblies 120 are provided, and the three groups of condenser assemblies 120 are respectively provided on different sides of the periphery of the unit. The three groups of condenser assemblies 120 are arranged relative to the fan assembly 130, that is, the three groups of condenser assemblies 120 and the fan assembly 130 are respectively located on different sides of the periphery of the unit. The periphery of the unit includes four side walls, the fan assembly 130 is provided on the side wall of one side of the periphery of the unit, and the three groups of condenser assemblies 120 are respectively provided on the side walls of the other three sides of the periphery of the unit, that is, the condenser assemblies are respectively provided on one side of the four directions of the periphery of the unit. 120 or the fan assembly 130, wherein the condenser assembly 120 has three groups, and the fan assembly 130 has one group, and the four directions refer to the front, back, left and right directions of the interior 110 of the unit; the condenser assembly 120 is used to exchange heat between liquid refrigerant and air to form a gaseous refrigerant to reduce the external air temperature, and the fan assembly 130 is used to suck the gas in the interior 110 of the unit out to the outside. Therefore, the interior 110 of the unit is provided with three-side air inlets of the condenser assembly 120 and heat exchange with the combustible refrigerant, and one-side air outlet of the fan assembly 130 is provided, thereby increasing the heat exchange area of ​​the combustible refrigerant, improving the working efficiency of the heat pump equipment, and improving the ventilation and heat dissipation effect of the exhaust mechanism, further reducing the leakage of the combustible refrigerant accumulated in the interior 110 of the unit, avoiding combustion and explosion, and improving the safety of the heat pump equipment. At the same time, the phenomenon of poor heat exchange caused by local dirt and blockage of the condenser assembly 120 can be avoided, and the displacement of the compressor 140 can be reduced to improve economic benefits.

[0037] In particular, in the present embodiment, the unit is configured as a tetrahedral structure, that is, the condenser assembly 120 is respectively provided on three sides corresponding to the three side walls of the periphery of the unit, and the fan assembly 130 is provided on one side corresponding to the other side wall of the periphery of the unit, so that air enters three sides of the periphery of the unit and exhausts air on one side, thereby improving the ventilation and heat dissipation performance and safety of the interior 110 of the unit.

[0038] In a specific embodiment, refer to Figure 3 to Figure 4 , Figure 6As shown, the condenser assembly 120 includes a condenser 121, which extends from the bottom end of the unit periphery to the top end of the unit periphery, and the condenser 121 is fixed on the inner side of the unit periphery. Specifically, the condenser assembly 120 is used to heat the liquefied combustible refrigerant with air to change it into a gaseous combustible refrigerant and drain it to the compressor 140 to achieve the recycling of the combustible refrigerant; therefore, the condenser assembly 120 includes a condenser 121, which is used to heat the liquefied combustible refrigerant with air to change it into a gaseous combustible refrigerant and drain it to the compressor 140 to achieve the recycling of the combustible refrigerant; the condenser 121 is fixed on the inner side of the unit periphery, and the condenser 121 extends upward from the bottom end of the unit periphery to the top end of the unit periphery, thereby achieving heat exchange between the combustible refrigerant and the external air, so that the external temperature is reduced. The condenser 121 has a stable structure and a large heat exchange area, thereby improving the working efficiency of the heat pump device.

[0039] In this embodiment, three groups of condenser assemblies 120 are provided on the periphery of the unit, and the three groups of condenser assemblies 120 are respectively provided on three sides of the periphery of the unit. Therefore, three groups of condensers 121 are provided on the periphery of the unit, and the three groups of condensers 121 are respectively fixed on the three inner side surfaces of the periphery of the unit, and the condenser 121 is an arc-shaped structure, thereby increasing the heat exchange area of ​​the combustible refrigerant in the condenser 121, so as to improve the heat exchange effect and energy efficiency of the heat pump equipment.

[0040] In one embodiment, referring to Figures 1 to 4 As shown, the fan assembly 130 includes a bracket 131, two ends of which are fixedly connected to the bottom and top of the periphery of the unit respectively, and the bracket 131 is used to support and fix the fan blades 132 and the motor. Specifically, the fan assembly 130 is fixedly mounted on one side of the periphery of the unit, and the fan assembly 130 is connected to the outside. The fan assembly 130 is used to extract the gas inside the unit 110 to the outside. The fan assembly 130 includes a bracket 131, a fan blade 132 and a motor. The two ends of the bracket 131 are respectively fixedly connected to the bottom and the top of the periphery of the unit. The bracket 131 is arranged close to a side of the periphery of the unit. The fan blade 132 and the motor are fixedly mounted on the bracket 131. The bracket 131 is used to support and fix the fan blade 132 and the motor. The fan blade 132 and the motor are electrically connected. The fan blade 132 is arranged in the direction of the compressor 140. Therefore, when the motor is started, the fan blade 132 rotates, thereby extracting the gas inside the unit 110 to the outside. The fan assembly 130 has a simple structure and low production cost.

[0041] In a specific embodiment, refer to Figure 4 As shown, the top end of the bracket 131 extends toward the direction of the condenser 121 and overlaps with the condenser 121. Specifically, the top end of the bracket 131 refers to the end of the bracket 131 connected to the top end of the unit interior 110. Since the exhaust structure includes three groups of condenser assemblies 120, and the three groups of condenser assemblies 120 and the fan assembly 130 are respectively arranged on different sides of the periphery of the unit, the condenser assemblies 120 are arranged on both sides of the fan assembly 130, and the condenser 121 is fixed on the inner side surface of the periphery of the unit. Therefore, the condenser 121 is arranged on both sides of the bracket 131. At the top end of the bracket 131, facing both sides of the condenser 121, the two sides of the bracket 131 are respectively extended toward the direction of the condenser 121 until the two sides of the bracket 131 overlap with the two condensers 121, that is, the top end of the bracket 131 is overlapped and fixed with the condensers 121 on both sides, so as to improve the stability of the bracket 131.

[0042] In one embodiment, referring to Figure 1 , Figure 3 to Figure 4 As shown, a grille 111 is provided on a side of the unit periphery parallel to the bracket 131 and close to the bracket 131, and the grille 111 is used to connect the unit interior 110 with the outside. Specifically, a grille 111 is provided on one side of the unit periphery, and the grille 111 is provided on a side surface of the unit interior 110 parallel to the bracket 131 and close to the bracket 131, and the grille 111 is used to connect the unit interior 110 with the outside, that is, when the leaked combustible refrigerant is accumulated in the unit interior 110, before the fan assembly 130 is not started, the combustible refrigerant can flow to the outside through the grille 111; at the same time, since the grille 111 is located on one side of the fan assembly 130, and the grille 111 is set away from the direction of the fan blade 132, when the fan assembly 130 is turned on, the fan assembly 130 can draw the leaked combustible refrigerant to the grille 111 and flow to the outside, thereby avoiding the occurrence of combustion and explosion, and improving the safety of the heat pump equipment.

[0043] In a specific embodiment, refer to Figures 1 to 4As shown, the compressor 140 is arranged in the middle of the bottom end of the unit interior 110, and the fan assembly 130 is directly opposite to the compressor 140. Specifically, the heat pump device includes a compressor 140, which is arranged in the middle of the bottom end of the unit interior 110. The compressor 140 is used to compress the low-temperature and low-pressure refrigerant into a high-temperature and high-pressure refrigerant. The compressor 140 is connected to the condenser assembly 120, the four-way valve pipeline assembly, and the pipeline structure. The compressor 140, the condenser assembly 120, the four-way valve pipeline assembly, and the pipeline structure are all filled with flammable refrigerant. The compressor 140 and the pipeline The structure is fixed at the bottom end of the interior 110 of the unit. The volume of the unit is proportional to the amount of flammable refrigerant filled. A large amount of refrigerant filled may also lead to a large amount of leakage. The fan assembly 130 is arranged on one side of the periphery of the unit opposite to the compressor 140, so that when the exhaust structure is stopped or in a standby state, if a large amount of flammable refrigerant leaks, it can flow into the outside through the gap of the grille 111 behind the fan assembly 130, thereby preventing the flammable refrigerant from accumulating in large quantities inside the unit 110 and preventing combustion and explosion.

[0044] In one embodiment, referring to Figure 3 to Figure 4 As shown, the exhaust structure includes an electrical box assembly 150, and the electrical box assembly 150 is arranged at the top of the periphery of the unit. Specifically, the electrical box assembly 150 is used to place structural parts such as power wiring boards, AC contactors, relays, main control boards, and other ignition source switch devices. In this embodiment, the electrical box assembly 150 is arranged at the top of the periphery of the unit. Since the flammable refrigerant infused in the heat pump equipment may be accumulated in the interior of the unit 110 due to leakage from the compressor 140, the four-way valve pipeline assembly, or some potential leakage points of the pipeline structure, the flammable refrigerant is heavier than air, so the leaked flammable refrigerant will sink and accumulate at the bottom of the interior of the unit 110. The electrical box assembly 150 is installed at the top of the periphery of the unit to prevent the flammable refrigerant from contacting the ignition source switch device in the electrical box assembly 150, thereby blocking the ignition source, avoiding combustion and explosion, and improving the safety of the equipment. At the same time, the ignition source switch device in the electrical box assembly 150 does not need to be subjected to special explosion-proof treatment, has good heat dissipation, high reliability, reduces material development costs, and has strong material versatility and economy.

[0045] In a specific embodiment, refer to Figures 3 to 5As shown, the electrical box assembly 150 includes an electrical box 151 and a radiator 152. The electrical box 151 is fixed to the top of the periphery of the unit, and the radiator 152 is installed on a side of the bottom end of the electrical box 151 facing the interior 110 of the unit, and is located between the condenser assembly 120 and the fan assembly 130. Specifically, the electrical box assembly 150 includes an electrical box 151 and a radiator 152, the electrical box 151 is used to install structural parts such as the ignition source switch device, and the radiator 152 is used to dissipate heat for the electrical box 151, the electrical box 151 is fixed at the top of the periphery of the unit, and the ignition source switch device and other structural parts are installed on the side of the electrical box 151 away from the bottom end of the interior 110 of the unit; the radiator 152 is fixed on a side surface of the electrical box 151 facing the bottom end of the interior 110 of the unit, and the radiator 152 is located between the condenser assembly 120 and the fan assembly 130, so the radiator 152 is located in the wind field formed between the air inlet of the condenser assembly 120 and the air outlet of the fan assembly 130, thereby improving the heat dissipation efficiency and heat dissipation performance of the radiator 152.

[0046] In particular, a ventilation hole is provided at the position of the electrical box 151 in the wind farm, and the ventilation hole connects the electrical box 151 and the interior 110 of the unit to facilitate ventilation and heat dissipation of the structural parts inside the electrical box 151 .

[0047] Reference Figure 4 As shown, the present application also provides a water heater, which includes a heat pump 100 and a water tank 200, and the heat pump 100 includes the exhaust structure, which is any of the exhaust structures described above. Since the exhaust structure is described in detail in the above embodiments, it will not be repeated here; wherein the water tank 200 is fixedly arranged on the lower side of the heat pump 100.

[0048] Specifically, the water heater configures the heat pump 100 and the water tank 200 as an upper and lower layered structure. The upper heat pump 100 adopts the exhaust structure to avoid explosion of the heat pump 100, thereby improving the safety of the water heater. The water heater is configured as an integrated type, so that the water heater is not only limited to outdoor use, but can also be installed in indoor environments, basements, and other installation locations.

[0049] In particular, the water heater has a pre-exhaust function, that is, when the water heater is operated, the fan assembly 130 is started first, and after the fan assembly 130 runs for a while, other loads such as the compressor 140 are started. Therefore, the operation of the fan assembly 130 forms a wind field and a pre-exhaust effect, thereby preventing the leaked flammable refrigerant from accumulating inside the water heater for a long time, causing the local flammable refrigerant concentration to rise to the flammable concentration standard to create a danger.

[0050] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An exhaust structure, characterized in that: include: The unit includes an interior of the unit and an exterior of the unit, wherein the interior of the unit is provided with a compressor filled with a flammable refrigerant and a pipeline structure connected thereto; A condenser assembly is arranged on one side of the periphery of the unit; A fan assembly is arranged on the other side of the periphery of the unit and is connected to the outside world, and is used to discharge the gas inside the unit; When the fan assembly is started, airflow enters the unit from one side of the condenser assembly and is discharged to the outside through the fan assembly.

2. The exhaust structure according to claim 1, characterized in that: The exhaust structure includes three groups of condenser assemblies, the unit periphery includes four side walls, the fan assembly is arranged on the side wall on one side of the unit periphery, and the three groups of condenser assemblies are respectively arranged on the side walls on the other three sides of the unit periphery.

3. The exhaust structure according to claim 2, characterized in that: The condenser assembly comprises a condenser, which extends from the bottom end of the unit periphery to the top end of the unit periphery, and the condenser is fixed on the inner side surface of the unit periphery.

4. The exhaust structure according to claim 3, characterized in that: The fan assembly comprises a bracket, two ends of which are respectively fixedly connected to the bottom end and the top end of the periphery of the unit, and the bracket is used to support and fix the fan blades and the motor.

5. The exhaust structure according to claim 4, characterized in that: The top end of the bracket extends toward the condenser and overlaps with the condenser.

6. The exhaust structure according to claim 4, characterized in that: A grille is provided on the periphery of the unit parallel to the bracket and close to a side of the bracket, and the grille is used to connect the inside of the unit with the outside.

7. The exhaust structure according to claim 1, characterized in that: The compressor is arranged at the middle part of the bottom end of the unit, and the fan assembly is arranged opposite to the compressor.

8. The exhaust structure according to claim 1, characterized in that: The exhaust structure includes an electrical box assembly, and the electrical box assembly is arranged at the top end of the periphery of the unit.

9. The exhaust structure according to claim 8, characterized in that: The electrical box assembly includes an electrical box and a radiator. The electrical box is fixed to the top of the periphery of the unit. The radiator is installed on a side of the bottom of the electrical box facing the inside of the unit and is located between the condenser assembly and the fan assembly.

10. A water heater, characterized in that: include: A heat pump, comprising the exhaust structure, wherein the exhaust structure is the exhaust structure according to any one of claims 1 to 9; The water tank is fixedly arranged on the lower side of the heat pump.

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