Air energy heat pump dishwasher

Abstract

The application provides an air energy heat pump dishwasher, which comprises a working cavity, a heat collecting cavity, a waste heat recovery mechanism and an air inlet mechanism. The heat collecting cavity is located above the working cavity of the dishwasher and is used for containing the hot air overflowing from the dishwasher. The waste heat recovery mechanism is arranged in the heat collecting cavity and is used for recovering the heat of the hot air in the heat collecting cavity to the water used by the dishwasher. The air inlet mechanism is arranged at the air inlet end of the heat collecting cavity and is used for pumping the hot air overflowing from the inlet end and the outlet end of the working cavity into the heat collecting cavity. In the application, the air inlet mechanism can accelerate the flow speed of the hot air, reduce the residence time of the hot air in the room and reduce the heat loss of the excessive hot air. The steam overflowing from the inlet end and the outlet end can enter the heat collecting cavity and contact the waste heat recovery mechanism after a period of time outside the dishwasher. In the moving process, the hot air loses part of the heat, the temperature is reduced to be closer to the optimal working condition temperature of the waste heat recovery mechanism, the influence on the equipment is reduced, and the heat recovery efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of dishwasher technology, specifically to an air-source heat pump dishwasher. Background Technology

[0002] In some large commercial dishwashers, there are multiple washing sections and conveying mechanisms. The conveying mechanisms can carry bowls, chopsticks, and utensils through multiple washing sections in sequence to complete the washing process. Therefore, spray arms are installed in multiple washing sections of the dishwasher. The spray arms spray a large amount of hot water for washing, which generates a large amount of hot air in the working chamber. In the prior art, in order to avoid wasting steam, a heat recovery system is set up to recover the hot air in the working chamber and then heat the water in the dishwasher to achieve energy saving.

[0003] However, in most existing heat recovery systems, the air inlet is directly connected to the working chamber, meaning it opens directly at the top of the working chamber, allowing hot air from the working chamber to directly enter the heat recovery system. But since dishwashers include an inlet and an outlet, hot air still overflows from these points, and this lost heat cannot be recovered, resulting in low heat recovery efficiency. Furthermore, the direct opening at the top of the working chamber causes a large amount of water vapor to enter the heat recovery system, which can affect the system's operating structure, reducing its lifespan and efficiency.

[0004] Therefore, the heat recovery structure of existing commercial dishwashers has room for further improvement. Utility Model Content

[0005] In view of this, and in response to the technical problem that the heat recovery structure of the existing dishwasher directly recovers the heat from the working chamber, which causes the heat to overflow from the outlet and inlet ends and reduces the heat recovery efficiency, this application provides an air-source heat pump dishwasher, which is used to recover the heat overflowing from the dishwasher and can improve the heat recovery efficiency.

[0006] This application provides an air-source heat pump dishwasher, comprising: The working chamber is used for washing dishes; The heat collection chamber, located above the working chamber, is used to contain the hot air overflowing from the working chamber; The waste heat recovery mechanism is located inside the heat collection chamber and is used to recover the heat of the hot air in the heat collection chamber and give it to the water in the dishwasher. The air intake mechanism, located at the air intake end of the heat collection chamber, is used to draw the hot air overflowing from the inlet and outlet ends of the working chamber into the heat collection chamber.

[0007] Compared with existing technologies, the air-source heat pump dishwasher of this application has a heat collection chamber set directly above the working cavity of the dishwasher. The waste heat recovery mechanism can recover heat from the steam in the heat collection chamber and transfer the recovered heat to the water in the dishwasher to realize heat recovery and utilization and reduce heat waste. An air intake mechanism is provided at the air intake end of the heat collection chamber. The air intake mechanism can draw the hot air overflowing from the inlet and outlet ends of the working cavity into the heat collection chamber, which can accelerate the speed at which the hot air overflowing from the inlet and outlet ends of the working cavity enters the heat collection chamber, reduce the time the hot air stays in the room, and reduce the heat loss of the hot air. At the same time, since the heat overflowing from the inlet and outlet ends of the working cavity is recovered, the steam will pass through a space outside the dishwasher after overflowing from the inlet and outlet ends before entering the heat collection chamber and contacting the waste heat recovery mechanism. During this movement, the probability of water vapor entering the waste heat recovery mechanism is reduced, the impact of water vapor on the waste heat recovery mechanism is reduced, the heat recovery efficiency is improved, and the service life and working efficiency of the waste heat recovery mechanism are increased.

[0008] Preferred options also include: The first air inlet is located at the end of the heat collection chamber, above the inlet of the working chamber; The second air inlet is located at the end of the heat collection chamber away from the first air inlet, above the outlet end of the working chamber. The inlet pipe is used to guide the liquid to be heated in the water storage tank to the waste heat recovery mechanism. The outlet pipe is used to guide the heated liquid in the waste heat recovery mechanism back to the storage tank.

[0009] In this embodiment, the two opposite ends of the heat collection chamber are respectively provided with air inlets. The first air inlet is located above the outlet end of the working chamber, and the second air inlet is located directly above the inlet end of the working chamber, which can shorten the distance that steam needs to travel from the working chamber to the heat collection chamber. The water inlet pipe and water outlet pipe enable the heat recovered by the waste heat recovery mechanism to heat the water used in the dishwasher.

[0010] Preferably, the air intake mechanism includes: The air extraction component is used to extract hot air from outside the heat collection chamber into the heat collection chamber. The air intake baffle is inclined in the vertical direction, and the angle between it and the vertical sidewalls of the inlet and outlet ends of the working chamber is an obtuse angle. The first air intake is located on the air intake baffle.

[0011] In this embodiment, the suction device can generate suction to draw the hot air overflowing from the dishwasher's working chamber into the heat collection chamber. The air inlet baffle is provided with a first air inlet, which allows the hot air to pass through the baffle. At the same time, the inclined air inlet baffle can form a shield directly above the outlet and inlet of the working chamber, preventing the hot air from escaping while increasing the probability of the hot air entering the heat collection chamber.

[0012] Preferably, the air intake mechanism further includes: The mounting plate is set parallel to the vertical direction and is located between the air intake baffle and the heat collection chamber; The mounting port is located on the mounting plate and is used to install the air extraction component; The second air intake is positioned around the mounting port on the mounting plate; The first air inlet is a round hole or a strip-shaped hole, and the second air inlet is a round hole or a strip-shaped hole.

[0013] In this embodiment, the mounting plate can be equipped with an air extraction device, and the second air inlet allows hot air to pass through the mounting plate and enter the heat collection chamber. At the same time, the solid portion between the second air inlets can block some liquid, reducing the probability of liquid entering the heat collection chamber and reducing the probability of damage to the waste heat recovery mechanism.

[0014] Preferred options also include: A heat collection shell, located above the working chamber, is used to form the heat collection chamber; The air outlet is located at the upper end of the heat collection shell; The heat collection shell is connected to the mounting plate at both ends.

[0015] In this embodiment, the air outlet on the heat collector shell can discharge the gas after heat exchange, and mounting plates are provided at both ends of the heat collector shell, so the heat collection cavity is formed by the heat collector shell and the mounting plates together.

[0016] The preferred intake mechanism further includes: The mounting side plate is set parallel to the vertical direction and is used to connect the side end of the intake baffle to the side end of the mounting plate. The mounting plate, which is set parallel to the horizontal direction, is used to connect the top of the air intake baffle to the top of the mounting plate. The distance between the bottoms of the two air intake baffles is equal to the length of the working chamber, and the distance between the tops of the two air intake baffles is greater than the length of the working chamber.

[0017] In this embodiment, the mounting side plates act on the front and rear sides, and the mounting top plate acts between the air intake baffle and the mounting plate to form an air intake chamber. The air intake chamber can provide a buffer space for hot steam, so that the liquid formed when the hot steam cools will remain in the air intake chamber as much as possible, reducing the probability of the liquid entering the waste heat recovery mechanism.

[0018] The preferred intake mechanism further includes: The limiting plate, which is set parallel to the vertical direction, is used to connect the top of the air intake baffle to the mounting plate; The length of the air intake baffle in the vertical direction is less than the length of the mounting side plate in the vertical direction.

[0019] In this embodiment, by setting a limiting plate, a sharp point can be prevented from forming on the outside of the air intake chamber, thus avoiding harm to the staff.

[0020] The preferred waste heat recovery mechanism includes: The evaporator is designed with a U-shaped structure and is positioned near the outlet end of the working chamber. The compressor is connected to the evaporator; A condenser is provided with a heat exchange space to transfer the heat absorbed by the evaporator to the liquid within the heat exchange space; A gas-liquid separator, connected to the condenser, is used to separate the refrigerant into gas and liquid components.

[0021] In this embodiment, the gas-liquid separator can separate the refrigerant into gas and liquid, so that the liquid refrigerant will not enter the condenser and reduce damage to the condenser; the evaporator is set with a U-shaped structure, which can increase the contact area with hot steam and improve the heat exchange effect; the evaporator is set near the outlet end of the working chamber, and the outlet end is close to the rinsing section. The temperature of the rinsing section is high, so the hot gas temperature at the outlet end is high, which can improve the heat recovery effect.

[0022] Preferably, the air intake mechanism is configured as two, with the two air intake mechanisms respectively located at the first air intake end and the second air intake end; The installation port is provided as two, arranged side by side with a gap, for installing two air extraction components.

[0023] In this embodiment, there are two air intake mechanisms, namely, air extraction components are provided above the outlet and inlet ends of the working chamber, which can improve air extraction efficiency and reduce heat loss.

[0024] Preferred options also include: The controller, located at the side end of the heat collector shell, is used to control the operating status of the waste heat recovery mechanism; A temperature sensor, located within the waste heat recovery mechanism, is used to detect the heating temperature of the water used in the dishwasher by the waste heat recovery mechanism. In this embodiment, the controller can directly control the operating status of the waste heat recovery mechanism, making it convenient for staff to understand and operate; the temperature sensor can help staff quickly grasp the temperature recovery status of the waste heat recovery mechanism. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural schematic diagram of an air-source heat pump dishwasher provided in an embodiment of this application; Figure 2 This is a partial structural diagram of an air-source heat pump dishwasher provided in an embodiment of this application. Figure 1 ; Figure 3 This is a partial structural diagram of an air-source heat pump dishwasher provided in an embodiment of this application. Figure 2 .

[0026] Attached label: 1. Air source heat pump dishwasher; 11. Heat collection chamber; 12. Waste heat recovery mechanism; 13. Air intake mechanism; 14. Water inlet pipe; 15. Water outlet pipe; 16. Controller; 17. Working chamber; 111. First air inlet; 112. Second air inlet; 113. Air outlet; 114. Heat collector housing; 121. Evaporator; 122. Condenser; 123. Gas-liquid separator; 131. Exhaust valve; 132. Intake baffle; 133. Mounting plate; 134. Mounting side plate; 135. Mounting top plate; 136. Limiting plate; 1321, First air inlet; 1331, Mounting port; 1332, Second air inlet. Detailed Implementation

[0027] To enable those skilled in the art to better understand the technical solutions of this disclosure, the following detailed, clear, and complete description of this disclosure is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this disclosure and are not intended to limit it.

[0028] In the description of this application, 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.

[0029] Those skilled in the art should understand that in the disclosure of this application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application 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, the above terms should not be construed as limitations on this application.

[0030] The present application will now be described in further detail with reference to the accompanying drawings, see below. Figures 1 to 3 illustrate.

[0031] This application provides an air-source heat pump dishwasher 1 (hereinafter referred to as dishwasher), such as Figure 1 As shown, the dishwasher 1 includes a working chamber 17, a conveying mechanism, and a basket. The basket is used to load dishes. The conveying mechanism passes through the working chamber 17. The working chamber 17 is equipped with a washing section and a rinsing section. The conveying mechanism can drive the basket to pass through the washing section and the rinsing section in sequence, thereby completing the washing process; wherein, as... Figure 1 As shown, the end of the washing section away from the rinsing section is the inlet end. The staff puts the dishes into the basket from the inlet end and pushes the basket into the inlet end of the working chamber 17. Under the push of the conveyor mechanism, the basket containing the tableware goes through washing, strong rinsing, and high temperature rinsing in sequence, and finally reaches the outlet. The staff takes away the washed dishes that are conveyed from the outlet end; that is, the two ends of the working chamber 17 are the inlet end and the outlet end, respectively.

[0032] like Figures 1 to 2 As shown, a heat recovery device is provided at the top of the working chamber 17 of the dishwasher 1. The heat recovery device includes a heat collection chamber 11, a waste heat recovery mechanism 12, and an air intake mechanism 13. The heat collection chamber 11 is located directly above the working chamber 17 and is used to contain the hot air overflowing from the dishwasher 1. The waste heat recovery mechanism 12 is installed inside the heat collection chamber 11 and can recover the heat of the hot air inside the heat collection chamber 11 and transfer the recovered heat to the water in the dishwasher 1 to realize heat recovery and utilization and reduce heat waste. In this application, the waste heat recovery device adopts an air source heat pump. The heat collection chamber 11 has two air intakes at opposite ends, namely a first air intake 111 and a second air intake 13. The air inlet 112 has a first air inlet 111 located above the inlet of the working chamber 17 and a second air inlet 112 located above the outlet of the working chamber 17. The air inlet mechanism 13 is configured as two, respectively located at the end of the first air inlet 111 away from the heat collection chamber 11 and the end of the second air inlet 112 away from the heat collection chamber 11. The air inlet mechanism 13 is connected to the heat collection chamber 11, thereby drawing the hot air overflowing from the inlet and outlet of the working chamber 17 into the heat collection chamber 11. This can accelerate the speed at which the hot air overflowing from the inlet and outlet of the working chamber 17 enters the heat collection chamber 11, reduce the time the hot air stays in the room, and reduce the heat loss of the hot air.

[0033] In this embodiment, since the heat overflowing from the inlet and outlet of the working chamber 17 is recovered, the steam overflows from the inlet and outlet and passes through a space outside the dishwasher 1 before entering the heat collection chamber 11 and contacting the waste heat recovery mechanism 12. During this movement, the probability of water vapor entering the waste heat recovery mechanism 12 is reduced, the impact of water vapor on the waste heat recovery mechanism 12 is reduced, the heat recovery efficiency is improved, and the service life and working efficiency of the waste heat recovery mechanism 12 are increased.

[0034] At the same time, such as Figure 1As shown, the first air inlet 111 and the second air inlet 112 are located outside the working chamber 17, so that the hot air in the working chamber 17 will not directly move upward into the heat collection chamber 11. During the process of the hot air overflowing outward in the horizontal direction in the working chamber 17, then moving upward in the vertical direction to the air inlet mechanism 13, and then moving horizontally back into the heat collection chamber 11, the flow path of the hot air is relatively tortuous, which increases the obstruction of the hot air directly entering the waste heat recovery mechanism 12. This causes the condensate generated by the hot air to remain in the external space or in the air inlet mechanism 13, reducing the amount of condensate entering the waste heat recovery mechanism 12, thereby reducing the adverse effects of condensate on the waste heat recovery mechanism 12 and improving the recovery efficiency and service life of the waste heat recovery mechanism 12.

[0035] On the other hand, the first air inlet 111 is located above the outlet of the working chamber 17, and the second air inlet 112 is located directly above the inlet of the working chamber 17. This can shorten the distance that steam needs to travel from the working chamber 17 to the heat collection chamber 11, thereby reducing unnecessary heat loss of the hot air in the external environment.

[0036] like Figure 2 As shown, the waste heat recovery mechanism 12 includes an evaporator 121, a compressor, a condenser 122, and a gas-liquid separator 123. The evaporator 121, the compressor, and the condenser 122 together form a heat recovery system. The waste heat recovery mechanism 12 of this application adopts the principle of an air source heat pump, which will not be described in detail here. In particular, in this application, a gas-liquid separator 123 is provided. The gas-liquid separator 123 is connected to the condenser 122 and can separate the refrigerant into gas and liquid, so that the liquid refrigerant will not enter the condenser 122, reducing the probability of damage to the condenser 122.

[0037] Among them, such as Figure 2 As shown, the evaporator 121 is configured with a U-shaped structure, which increases the contact area with hot gas and improves the heat exchange effect. Furthermore, the evaporator 121 is located near the outlet end of the working chamber 17, which is close to the rinsing section. The temperature of the rinsing section is relatively high, so the temperature of the hot gas at the outlet end is relatively high, which can improve the heat recovery effect.

[0038] The condenser 122 includes a heat exchange space for containing the liquid to be heated. The condenser 122 transfers the heat absorbed by the evaporator 121 to the liquid within the heat exchange space, thereby heating the liquid. Figure 2 As shown, the heat recovery device also includes an inlet pipe 14 and an outlet pipe 15. The inlet pipe 14 is connected to the liquid inlet of the heat exchange space and is used to guide the liquid to be heated in the water tank of the dishwasher 1 to the heat exchange space for heating. The outlet pipe 15 is connected to the liquid outlet of the heat exchange space and is used to guide the heated liquid in the heat exchange space back to the water tank of the dishwasher 1, thereby completing the recovery and utilization of heat.

[0039] like Figures 1 to 3 As shown, the heat recovery device includes a heat collection shell 114, which includes a top plate and side plates. The top plate is located at the top, and the side plates are arranged parallel to the vertical direction and parallel to the horizontal plane. There are two side plates, which are respectively located at the front and rear ends. The top of the side plates is connected to the top plate, and the bottom of the side plates is connected to the bottom of the working chamber 17 of the dishwasher 1. The left and right ends of the heat collection shell 114 are respectively the first air inlet end 111 and the second air inlet end 112. There are two air inlet mechanisms 13, which are respectively located at the first air inlet end 111 and the second air inlet end 112. The heat collection shell 114, the air inlet mechanism 13, and the top of the working chamber 17 form a heat collection chamber 11.

[0040] The heat collection shell 114 has an air outlet 113 at its top, located directly above the evaporator 121. The diameter of the air outlet 113 is smaller than the U-shaped width of the evaporator 121, so that the hot air needs to go around into the U-shaped inner cavity of the evaporator 121 before it can flow out through the air outlet 113. This indirectly increases the flow path of the hot air, further increasing the contact area and contact time between the hot air and the evaporator 121, thus improving the heat exchange effect. In addition, an air outlet component is provided above the air outlet 113, and the air outlet component has multiple coaxially arranged annular through holes to achieve rapid cooling, reduce the temperature of the discharged gas, and avoid affecting the user.

[0041] Based on any of the above embodiments, the intake mechanism 13 will be further described; such as Figures 1 to 3 As shown, the air intake mechanism 13 includes an air intake housing and an air extraction component 131. The air intake housing is installed at the air intake end of the heat collection housing 114 and is connected to the heat collection housing 114. The air intake housing has an air intake chamber, which can provide a buffer space for hot air, so that the condensate formed when the hot air encounters cold will remain in the air intake chamber as much as possible, reducing the probability of liquid entering the waste heat recovery mechanism 12.

[0042] like Figure 2 , Figure 3 As shown, the air extraction component 131 is installed on the air intake housing and is located between the air intake chamber and the buffer chamber. The air extraction component 131 can generate suction to draw the hot air overflowing from the outlet end and inlet end of the working chamber 17 of the dishwasher 1 into the heat collection chamber 11. In this embodiment, the air extraction component 131 is set as a fan or blower.

[0043] Specifically, the intake housing includes an intake baffle 132, a mounting plate 133, a mounting side plate 134, and a mounting top plate 135, such as Figure 1 middle Figure 3As shown, the mounting plate 133 is disposed at the air inlet end of the heat collection chamber 11, and the air inlet baffle 132 is disposed at the air inlet end of the air inlet chamber; the mounting side plate 134 is disposed parallel to the vertical direction and is located on the front and rear sides of the air inlet housing, and is used to connect the side end of the air inlet baffle 132 to the side end of the mounting plate 133; the mounting top plate 135 is disposed parallel to the horizontal direction and is located at the top of the air inlet housing, and is used to connect the top of the air inlet baffle 132 to the top of the mounting plate 133 to form the air inlet chamber.

[0044] Among them, such as Figure 3 As shown, the mounting plate 133 is arranged parallel to the vertical direction. The mounting plate 133 is provided with a mounting port 1331 and a second air inlet 1332. Both the mounting port 1331 and the second air inlet 1332 penetrate the mounting plate 133 in the horizontal direction. There are multiple second air inlets 1332, which are arranged around the mounting port 1331. There are two mounting ports 1331, which are arranged side by side and spaced apart in the horizontal direction. Each mounting port 1331 is equipped with an air extraction component 131. That is, one air intake mechanism 13 is provided with two air extraction components 131 to improve the air extraction effect.

[0045] like Figure 3 As shown, the air intake baffle 132 is provided with a first air intake 1321, and multiple first air intakes 1321 are provided. The air intake baffle 132 is inclined in the vertical direction, and the included angle between the air intake baffle 132 and the vertical sidewalls of the inlet and outlet ends of the working chamber 17 is an obtuse angle. The bottom of the air intake baffle 132 is connected to the top edge of the working chamber 17, and the upper end of the air intake baffle 132 extends away from the heat collection chamber 11 to block and cover the vertical direction of the inlet and outlet ends of the working chamber 17. This allows most of the hot air rising in the vertical direction to pass through the first inlet and enter the air intake chamber as much as possible, which can prevent the loss of hot air and increase the probability of hot air entering the heat collection chamber 11, thereby improving the heat recovery efficiency.

[0046] The first air inlet 1321 can be a round hole or a strip hole, and the second air inlet 1332 can be a round hole or a strip hole. In this embodiment, the first air inlet 1321 is a strip hole, which can increase the interception effect of condensate; the second air inlet 1332 is a round hole, which allows hot steam to quickly enter the heat collection chamber 11.

[0047] In this embodiment, the distance between the bottoms of the two air intake baffles 132 is equal to the length of the working chamber 17, and the distance between the tops of the two air intake baffles 132 is greater than the length of the working chamber 17, so that the hot air flowing out of the outlet and inlet ends of the working chamber 17 can be absorbed by the heat recovery device as much as possible.

[0048] Furthermore, such as Figures 1 to 3As shown, the air intake housing also includes a limiting plate 136, which is arranged parallel to the vertical direction and located at the end of the air intake housing away from the heat collection chamber 11. It is used to connect the top of the air intake baffle 132 to the mounting top plate 135. The length of the air intake baffle 132 in the vertical direction is less than the length of the mounting side plate 134 in the vertical direction. The sum of the lengths of the air intake baffle 132 and the limiting plate 136 in the vertical direction is equal to the length of the mounting side plate 134 in the vertical direction. This ensures that no sharp point is formed on the outside of the air intake housing, thus avoiding harm to the staff.

[0049] In any of the above embodiments, the heat recovery device can be further expanded; such as... Figures 1 to 2 As shown, the heat recovery device also includes a controller 16 and a temperature sensor. The controller 16 is connected to the power supply and the waste heat recovery mechanism 12. The controller 16 includes a control panel, which is located on the front side of the heat collection housing 114. The control panel can control the operating status of the waste heat recovery mechanism 12, thereby improving the ease of use of the heat recovery device.

[0050] A temperature sensor is installed inside the waste heat recovery mechanism 12. It is used to detect the heating temperature of the water used by the waste heat recovery mechanism 12 to the dishwasher 1, and can transmit the detected temperature to the controller 16. The detected temperature can be read directly on the control panel, which can facilitate the staff to quickly grasp the temperature recovery status of the waste heat recovery mechanism 12, so that the staff can operate the waste heat recovery mechanism 12 in a timely manner.

[0051] It should be noted that the various embodiments of this application can be arbitrarily combined into new embodiments, provided that the solutions do not conflict and the technical solutions can coexist.

[0052] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. An air-source heat pump dishwasher, characterized in that, include: The working chamber (17) is used for washing dishes; The heat collection chamber (11) is located above the working chamber (17) and is used to contain the hot air overflowing from the working chamber (17); Waste heat recovery mechanism (12) is located in heat collection chamber (11) and is used to recover the heat of the hot air in heat collection chamber (11) and give it to the dishwasher (1) for water. The air intake mechanism (13) is located at the air intake end of the heat collection chamber (11) and is used to draw the hot air overflowing from the inlet and outlet ends of the working chamber (17) into the heat collection chamber (11).

2. The air-source heat pump dishwasher according to claim 1, characterized in that, Also includes: The first air inlet (111) is located at the end of the heat collection chamber (11) and above the inlet of the working chamber (17); The second air inlet (112) is located at the end of the heat collection chamber (11) away from the first air inlet (111) and above the outlet end of the working chamber (17); The water inlet pipe (14) is used to guide the liquid to be heated in the water storage tank to the waste heat recovery mechanism (12); The outlet pipe (15) is used to guide the heated liquid in the waste heat recovery unit (12) back to the water storage tank.

3. The air-source heat pump dishwasher according to claim 1, characterized in that, The air intake mechanism (13) includes: The air extraction component (131) is used to extract hot air from outside the heat collection chamber (11) into the heat collection chamber (11); The intake baffle (132) is inclined in the vertical direction, and the angle between it and the vertical sidewalls of the inlet and outlet ends of the working chamber (17) is an obtuse angle. The first air intake (1321) is located on the air intake baffle (132).

4. The air-source heat pump dishwasher according to claim 3, characterized in that, The air intake mechanism (13) also includes: The mounting plate (133) is set parallel to the vertical direction and is located between the air intake baffle (132) and the heat collection chamber (11); The mounting port (1331) is located on the mounting plate (133) and is used to install the air extraction component (131). The second air intake (1332) is arranged on the mounting plate (133) around the mounting port (1331); The first air inlet (1321) is a round hole or a strip hole, and the second air inlet (1332) is a round hole or a strip hole.

5. The air-source heat pump dishwasher according to claim 1, characterized in that, Also includes: A heat collection shell (114) is located above the working chamber (17) and is used to form a heat collection chamber (11). An air outlet (113) is located at the upper end of the heat collection shell (114); The heat collection shell (114) is connected to the mounting plate (133) at both ends.

6. The air-source heat pump dishwasher according to claim 1, characterized in that, The air intake mechanism (13) also includes: The mounting side plate (134) is set parallel to the vertical direction and is used to connect the side end of the air intake baffle (132) to the side end of the mounting plate (133); The mounting plate (135) is set parallel to the horizontal direction and is used to connect the top of the intake baffle (132) to the top of the mounting plate (133); The distance between the bottoms of the two air intake baffles (132) is equal to the length of the working chamber (17), and the distance between the tops of the two air intake baffles (132) is greater than the length of the working chamber (17).

7. The air-source heat pump dishwasher according to claim 6, characterized in that, The air intake mechanism (13) also includes: The limiting plate (136) is set parallel to the vertical direction and is used to connect the top of the air intake baffle (132) to the mounting plate (135); The length of the air intake baffle (132) in the vertical direction is less than the length of the mounting side plate (134) in the vertical direction.

8. The air-source heat pump dishwasher according to claim 1, characterized in that, The waste heat recovery mechanism (12) includes: The evaporator (121) is configured with a U-shaped structure and is located near the outlet end of the working chamber (17); The compressor is connected to the evaporator (121); The condenser (122) is provided with a heat exchange space for transferring the heat absorbed by the evaporator (121) to the liquid in the heat exchange space; A gas-liquid separator (123) is connected to a condenser (122) and is used to separate the refrigerant into gas and liquid components.

9. The air-source heat pump dishwasher according to claim 4, characterized in that, The air intake mechanism (13) is configured as two, and the two air intake mechanisms (13) are respectively located at the first air intake end (111) and the second air intake end (112). The mounting port (1331) is provided in two, arranged side by side with a gap, for mounting two air extraction components (131).

10. The air-source heat pump dishwasher according to claim 1, characterized in that, Also includes: The controller (16) is located at the side of the heat collection shell (114) and is used to control the operating status of the waste heat recovery mechanism (12); A temperature sensor is installed inside the waste heat recovery mechanism (12) to detect the heating temperature of the water used by the waste heat recovery mechanism (12) to the dishwasher (1).

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