Air conditioner indoor unit and air conditioner

Abstract

The present invention provides an air conditioning filter self-cleaning water supply system, an air conditioning indoor unit and an air conditioner. The air conditioning filter self-cleaning water supply system includes a water receiving tray for collecting condensed water generated when the air conditioner is running; a water tank connected to the drainage end of the condensed water receiving tray to provide self-cleaning water for the air conditioning filter; a water pump arranged between the water tank and the water receiving tray to provide a driving force to make the condensed water in the water receiving tray flow into the water tank; a filter arranged at the water inlet end of the water tank or the drainage end of the water receiving tray or on the flow channel between the water tank and the water receiving tray to filter the condensed water before entering the water tank. The present invention can remove bacteria, dust and the like in the condensed water through the filter, ensure the cleanliness of the recovered condensed water, and avoid secondary pollution caused by the reuse of the condensed water.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to an air conditioning indoor unit and an air conditioner. Background Art

[0002] In order to conveniently solve the problem of cleaning dust accumulated on the filter, there are air conditioners on the market that use condensed water to clean the air conditioning filter. This can achieve the purpose of cleaning the filter without disassembling it, saving the operation of disassembling and cleaning the filter.

[0003] However, condensed water is formed by the condensation of moisture in the air, which may contain bacteria and impurities. Directly using condensed water to clean the filter may cause secondary contamination of the filter, further causing the airflow blown out by the air conditioner to affect the indoor air quality. Summary of the invention

[0004] In view of this, the present invention provides an air conditioner indoor unit and an air conditioner, which are at least used to solve the technical problem of poor condensed water recycling effect in the prior art, specifically:

[0005] In a first aspect, the present invention provides an air conditioning filter self-cleaning water supply system, comprising:

[0006] A water tray is used to collect condensed water generated when the air conditioner is running;

[0007] The water tank is connected to the drain end of the condensate water receiving pan to provide self-cleaning water for the air conditioning filter;

[0008] A water pump is disposed between the water tank and the water receiving tray, and is used to provide a driving force to make the condensed water in the water receiving tray flow into the water tank;

[0009] The filter is arranged at the water inlet end of the water tank or the drain end of the water receiving tray or on the flow channel between the water tank and the water receiving tray, so that the condensed water can be filtered before entering the water tank.

[0010] Further optionally, a booster pump is also included, and the booster pump is connected to the outlet of the water tank to increase the pressure of the water outlet from the water tank.

[0011] Further optionally, an ultraviolet lamp is provided in the water tank.

[0012] Further optionally, a flow channel for recycling water after self-cleaning of the air-conditioning filter is also connected to the flow channel between the water receiving tray and the filter.

[0013] Further optionally, the filter comprises a mounting seat, a filter element and an end cap,

[0014] The mounting seat is used for fixed installation of the filter;

[0015] A cavity is formed inside the mounting seat, and a first port and a second port communicating with the cavity are also provided on the mounting seat;

[0016] The end cover is detachably connected to the mounting seat to close the cavity;

[0017] The filter element is arranged in the cavity.

[0018] Further optionally, the end cover is rotationally engaged with the mounting seat.

[0019] Further optionally, a connection structure is provided on the mounting seat, and the connection structure is used for fixed installation of the mounting seat.

[0020] In a second aspect, the present invention provides an air conditioner indoor unit, comprising

[0021] case;

[0022] An indoor heat exchanger is arranged inside the shell;

[0023] A water receiving pan, arranged at the lower side of the indoor heat exchanger, for receiving condensed water on the indoor heat exchanger;

[0024] A filter screen is arranged at the air inlet of the housing, and the filter screen is provided with a self-cleaning system, and the self-cleaning system comprises a water spraying assembly, and the water spraying assembly is connected to the water tank for spraying water to the filter screen;

[0025] The self-cleaning system comprises an air conditioning filter self-cleaning water supply system, the inlet end of the water pump is communicated with the inner side of the water receiving tray, and the booster pump is connected to the water spray assembly.

[0026] Further optionally, a filter element replacement hole is provided on the housing, through which the filter can be disassembled and the filter element can be replaced.

[0027] A baffle is provided at the filter element replacement hole, and the baffle is detachably connected to the shell and can block the filter element replacement hole.

[0028] Further optionally, a snap-in hole is provided on the shell, and a snap-in structure is provided on the baffle, and the snap-in structure is used to snap-in with the snap-in hole.

[0029] Further optionally, the filter is arranged at a position close to the bottom of the shell, and the filter element replacement hole is arranged on the bottom wall or side wall surface of the shell.

[0030] In a third aspect, an air conditioner is provided, comprising the indoor unit and outdoor unit as described above, wherein the indoor unit and the outdoor unit are connected to each other.

[0031] The present invention filters the recovered condensed water by setting a filter to remove bacteria, dust and the like in the condensed water, thereby making the condensed water cleaner, so that the condensed water can be reused and no secondary pollution will be caused during the use of the condensed water. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail its exemplary embodiments with reference to the accompanying drawings. The accompanying drawings described below are only some embodiments of the present disclosure, and it is clear to a person skilled in the art that other accompanying drawings can be obtained from these accompanying drawings without creative work.

[0033] Figure 1 A schematic diagram of a self-cleaning water supply system for an air conditioner filter according to an embodiment of the present invention is shown;

[0034] Figure 2 A schematic diagram showing the exploded structure of a filter according to an embodiment of the present invention;

[0035] Figure 3 A cross-sectional schematic diagram showing a filter according to an embodiment of the present invention;

[0036] Figure 4 A schematic diagram of the structure of an indoor unit of an air conditioner according to an embodiment of the present invention is shown;

[0037] Figure 5 A schematic diagram showing a filter element replacement state according to an embodiment of the present invention is shown;

[0038] Figure 6 A schematic structural diagram of an air conditioner indoor unit according to another embodiment of the present invention is shown.

[0039] In the figure:

[0040] 10. Water tray; 20. Water pump; 30. Filter; 31. Bottom shell; 311. First port; 312. Second port; 32. Mounting seat; 33. End cover; 34. Filter element; 40. Water tank; 50. Booster pump; 60. Shell; 61. Filter element replacement hole; 611. Snap-in hole; 62. Baffle; 621. Snap-in structure. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two, but does not exclude the inclusion of at least one.

[0043] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0044] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0045] The present invention enables the recovered condensed water to be filtered by setting a filter, thereby reducing or removing bacteria, dust, etc. carried in the condensed water, and avoiding secondary pollution caused by the recycling and reuse of the condensed water. In particular, when applied to air-conditioning indoors, the condensed water generated by the operation of the indoor unit can be recovered, and the condensed water can be used for filter cleaning, humidification, etc., making the indoor unit function more diversified. The present invention is described in detail below in conjunction with specific embodiments.

[0046] like Figure 1 As shown, the present invention provides a self-cleaning water supply system for an air conditioner filter, a water receiving pan 10, used to collect condensed water generated during the operation of the air conditioner, and also includes a water tank 40, which is connected to the drainage end of the condensed water receiving pan 10, and is used to collect condensed water to provide self-cleaning water for the filter; a water pump 20, which is arranged between the water tank 40 and the water receiving pan 10, is used to provide a driving force to make the condensed water in the water receiving pan 10 flow into the water tank 40, the water inlet of the water pump 20 is connected to the water receiving pan 10 through a pipeline, and the water outlet of the water pump 20 is connected to the inlet of the water tank 40 through a pipeline, and the condensed water that can be received by the water receiving pan 10 is pumped into the water tank 40 by the water pump 20 for collection. Preferably, the water tank 40 also includes an overflow port, which is connected to the water receiving pan 10. When the water in the water tank 40 is full of water, the condensed water can flow to the water receiving pan 10 through the overflow port, so as to prevent the water in the water tank 40 from flowing to other places or causing excessive water pressure in the water tank 40.

[0047] It also includes a filter 30, which is arranged at the water inlet end of the water tank 40 or the drainage end of the water receiving tray 10 or on the flow channel between the water tank 40 and the water receiving tray 10, and is used to filter the condensed water entering the water tank 40. Preferably, the filter 30 is connected to the water outlet of the water pump 20 and the inlet of the water tank 40 through pipelines, respectively. The water outlet of the water pump 20 flows through the filter 30 and enters the water tank 40, and the condensed water entering the water tank 40 is filtered to prevent bacteria, dust, etc. from entering the water tank 40.

[0048] Preferably, a booster pump 50 is further included, and the booster pump 50 is connected to the outlet of the water tank 40 to increase the pressure of the water outlet of the water tank 40 .

[0049] Preferably, an ultraviolet lamp is also provided in the water tank 40 for sterilizing the water in the water tank 40, so as to achieve the purpose of secondary sterilization of the collected condensed water and make the sterilization more thorough. The ultraviolet lamp is preferably a pulsed ultraviolet xenon lamp, which is arranged along the direction from the water inlet to the water outlet of the water tank, and its flow surface is an arc surface.

[0050] Furthermore, the flow channel between the water receiving tray and the filter is also connected to a water recycling flow channel for the air conditioning filter after self-cleaning. The water recycling flow channel can be connected to the water receiving tray to collect and reuse the water after cleaning the filter, or it can be directly connected to the drainage pipe to discharge the water after cleaning the filter.

[0051] like Figure 2 , Figure 3 As shown, the filter 30 preferably includes a mounting seat 31, a filter element 34 and an end cover 33. The mounting seat 31 includes a connecting structure 32 for fixed installation of the filter 30. Preferably, the mounting structure 32 includes a mounting hole, which can be fixedly installed by connecting parts such as screws, or the mounting structure 32 can also be a structure such as a snap-on structure, which can achieve fixed installation of the filter 30.

[0052] The mounting seat 31 and the connecting structure 32 form an integral structure. For example, the mounting seat 31 and the connecting structure 32 can form an integral structure by injection molding, bonding, welding, etc., or can be detachably connected into the integral structure by detachable connecting structures such as screws and snaps.

[0053] A cavity is formed inside the mounting seat 31. The mounting seat 31 is constructed as a structure with one end open and the other end closed. The mounting seat 31 is provided with a first port 311 and a second port 312 that are connected to the cavity. Preferably, the first port 311 is provided at the closed end of the mounting seat 31, and the second port 312 is provided on the side wall of the mounting seat 31. The first port 311 and the second port 312 are used to connect a water inlet pipe and a water outlet pipe, respectively; an end cover 33 is provided at the open end of the mounting seat 31, and the end cover 33 is detachably connected to the mounting seat 31 to close the cavity, and the second port 312 is connected to the cavity, and the first port 311, the cavity and the second port 312 form a flow channel for water circulation.

[0054] Preferably, the end cap 33 and the mounting seat 31 are detachably connected through a screw-on structure, a rotating slot structure is provided on the inner peripheral wall of the open end of the mounting seat 31 to realize the rotational cooperation between the end cap and the mounting seat, a block structure is provided on the outer wall of the end cap 33, and the end cap 33 partially extends into the open end of the mounting seat 31, and the slot and the block are engaged by rotation to complete the connection between the end cap 33 and the mounting seat 31. Preferably, the matching surfaces of the slot structure and the block structure are configured as inclined surfaces, so that the block and the slot can be gradually clamped during the rotation process, that is, the block and the slot are gradually pressed, which can not only realize the connection between the end cap 33 and the mounting seat 31, but also enable the end cap 33 to be pressed against the end of the mounting seat 31, which is conducive to achieving the sealing of the contact position between the two to avoid water leakage.

[0055] The filter element 34 is disposed in the cavity to filter the water flowing through the cavity to remove bacteria, dust, etc. in the condensed water. Preferably, the filter element 34 includes a water inlet end and a filter layer, and the water inlet end is connected to the first port 311. The condensed water flows into the water inlet end of the filter element 34 from the first port 311, and enters the inside of the filter element 34, and then flows into the cavity inside the mounting seat 31 after being filtered by the filter layer, and then flows out through the second port 312 on the mounting seat 31.

[0056] The present application also provides an air conditioner indoor unit, such as Figure 4 , Figure 5 , Figure 6 As shown, it includes a shell 60, an installation space is formed inside the shell 60, a heat exchanger is arranged in the installation space, the heat exchanger is connected to the refrigerant circulation loop, and the refrigerant exchanges heat with the indoor air through the heat exchanger, thereby adjusting the indoor temperature.

[0057] A water receiving pan 10 is provided in the shell 60, and the water receiving pan 10 is provided at the lower side of the heat exchanger for receiving condensed water condensed on the heat exchanger. It also includes the above-mentioned air conditioning filter self-cleaning water supply system, and the air conditioning filter self-cleaning water supply system is connected to the water receiving pan 10. Specifically, the inlet end of the water pump 20 is connected to the inner side of the water receiving pan 10, and is used to pump the condensed water 20 in the water receiving pan 10 into the water tank 40.

[0058] The housing 60 is provided with a filter element replacement hole 61, and the filter 30 is located at a position corresponding to the filter element replacement hole 61. The filter 30 can be disassembled through the filter element replacement hole 61, and the filter element 34 can be replaced. A baffle 62 is provided at the filter element replacement hole 61, and the baffle 62 is detachably connected to the housing 60 and can block the filter element replacement hole 61. When the baffle 62 is installed, the filter element replacement hole 61 is blocked, which can prevent foreign matter from entering the housing 60. When the filter element of the filter 30 needs to be replaced, the baffle 62 is opened, that is, the end cover 33 of the filter 30 can be removed, and the filter element 34 can be taken out for replacement and installed in place, and then the end cover 33 is installed, and finally the baffle 62 is installed.

[0059] Preferably, the housing 60 is provided with a snap-fit ​​hole 611, and the baffle 62 is provided with a snap-fit ​​structure 621, and the snap-fit ​​structure 621 is used to snap-fit ​​with the snap-fit ​​hole 611. For example, a claw is provided on the baffle 62, and the housing 60 is provided with a snap-fit ​​hole 611, and the baffle 62 is fixedly installed by the combination of the claw and the snap-fit ​​hole 611. Alternatively, in other embodiments, the baffle 62 can also be detachably installed on the housing 60 by parts or structures such as screws and slide grooves.

[0060] Preferably, the filter 30 is arranged near the bottom of the housing 60, so that it is arranged near the water receiving tray 10, so that the pipeline of the air conditioner filter self-cleaning water supply system can be simplified and the occupied space can be reduced. The filter element replacement hole 61 is arranged on the bottom wall or side wall of the housing 60, or the filter 30 can also be arranged at the bottom near the front side. Correspondingly, the filter element replacement hole 61 is arranged at the bottom of the front panel of the housing 60, so that the operation space for replacing the filter element 34 is larger, and the replacement of the filter element 34 is simpler and more convenient.

[0061] Preferably, the air conditioner indoor unit further comprises a water spray assembly, which is connected to the water tank 40 and comprises a water spray pipe and a nozzle, the water spray pipe is connected to the water tank 40, and the nozzle is connected to the water spray pipe, and the water in the water tank 40 can be sprayed out through the water spray assembly to utilize the condensed water. A filter screen is arranged at the air inlet of the housing 60, and the water spray assembly is used to spray water to the filter screen to rinse the filter screen and wash away dirt such as dust and hair on the filter screen.

[0062] Preferably, the booster pump 50 is connected to the water spray assembly, and the output water is pressurized by the booster pump 50 so that the water has a certain pressure when it is sprayed through the nozzle, thereby effectively washing away the dirt on the filter screen.

[0063] Furthermore, in other embodiments, a humidification system may be provided in the indoor unit, and the air conditioning filter self-cleaning water supply system is connected to the humidification system to supply water to the humidification system, that is, the recovered condensed water is used for humidification.

[0064] The present invention also provides an air conditioner, an indoor unit and an outdoor unit, the indoor unit and the outdoor unit are connected, the indoor unit can recycle condensed water through the air conditioning filter self-cleaning water supply system, and then use the condensed water to rinse the filter or to humidify the air, thereby reducing the discharge of condensed water and fully reusing the condensed water.

[0065] The air conditioning filter self-cleaning water supply system provided by the present invention can recycle condensed water generated during the operation of the air conditioner, and filter the condensed water through the setting of the filter, thereby making the recycling of the condensed water healthier and avoiding secondary pollution caused by reuse.

[0066] The exemplary embodiments of the present disclosure are specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structures, configurations or implementations described herein; on the contrary, the present disclosure is intended to cover various modifications and equivalent configurations included in the spirit and scope of the appended claims.

Claims

1. An air conditioner indoor unit, comprising a housing, characterized in that: The air conditioner indoor unit also includes: A water tray is used to collect condensed water generated when the air conditioner is running; The water tank is connected to the drain end of the condensate water receiving pan to provide self-cleaning water for the air conditioning filter; A water pump is disposed between the water tank and the water receiving tray, and is used to provide a driving force to make the condensed water in the water receiving tray flow into the water tank; A filter, the filter is arranged near the bottom of the housing and is arranged at the water inlet end of the water tank or the drain end of the water receiving tray or on the flow channel between the water tank and the water receiving tray, so that the condensed water is filtered before entering the water tank; The filter comprises a mounting seat, a filter element and an end cap. The mounting seat is used for fixed installation of the filter; A cavity is formed inside the mounting seat, the filter element is arranged in the cavity, the end cover is detachably connected to the mounting seat to close the cavity, and the mounting seat is also provided with a first port and a second port communicating with the cavity, the first port, the cavity and the second port forming a flow channel for water circulation; A filter element replacement hole is provided on the shell, and the filter element replacement hole is provided on the bottom wall or the side wall of the shell. A baffle is provided at the filter element replacement hole, and the baffle is detachably connected to the shell and can seal the filter element replacement hole. The end cover can be removed through the filter element replacement hole, and the filter element can be replaced.

2. The air conditioner indoor unit according to claim 1, characterized in that: It also includes a booster pump, which is connected to the outlet of the water tank and is used to increase the pressure of water out of the water tank.

3. The air conditioner indoor unit according to any one of claims 1-2, characterized in that: An ultraviolet lamp is arranged in the water tank.

4. The air conditioner indoor unit according to claim 3, characterized in that: The flow channel between the water receiving tray and the filter screen is also connected to a flow channel for recycling water after the air conditioning filter screen is self-cleaned.

5. The air conditioner indoor unit according to claim 1, characterized in that: The end cover is rotatably matched with the mounting seat.

6. The air conditioner indoor unit according to claim 1, characterized in that: The mounting seat is provided with a connection structure, and the connection structure is used for fixed installation of the mounting seat.

7. The air conditioner indoor unit according to claim 2, characterized in that: The air conditioner indoor unit also includes: A heat exchanger is arranged inside the shell; The water receiving pan is arranged at the lower side of the heat exchanger, and is used to receive condensed water on the heat exchanger; A filter screen is arranged at the air inlet of the housing, and the filter screen is provided with a self-cleaning system, and the self-cleaning system comprises a water spraying assembly, and the water spraying assembly is connected to the water tank for spraying water to the filter screen; The inlet end of the water pump is communicated with the inner side of the water receiving tray, and the booster pump is connected to the water spraying assembly.

8. The air conditioner indoor unit according to claim 7, characterized in that: The shell is provided with a snap-in hole, and the baffle is provided with a snap-in structure, and the snap-in structure is used for snapping with the snap-in hole.

9. An air conditioner, characterized in that: It comprises the indoor unit and outdoor unit according to any one of claims 1 to 8, wherein the indoor unit and the outdoor unit are connected.

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