Dehumidification automatic drainage system and dehumidifier thereof

Abstract

The automatic dehumidification drainage system comprises a shell, a water receiving disc and a water tank, and the water receiving disc is located on the upper side of the water tank and supported and installed on the bottom sides of an evaporator and a condenser in the shell; a water pumping assembly used for automatically pumping and discharging collected condensate water out of the shell is detachably installed in the water tank. The top of the water pumping assembly is provided with a multifunctional socket which is in butt joint fit with a power plug in a water tank installation groove and a signal connector used for detecting whether the water tank leaves the original position or not. The shell is further provided with a drainage butt joint assembly which directly discharges condensate water collected in the water pan or automatically discharges the condensate water in the water tank through an external drainage hose. Through respective butt joint connection of the multifunctional socket and the drainage butt joint assembly, the problem of drop leakage of a drainage port and the problem of unreliable power supply connection of a water pump contact are effectively avoided, and the detachable water pumping assembly facilitates disassembly and maintenance of the water pump when the water pump breaks down.

Description

Technical Field

[0001] The present invention relates to a dehumidifier drainage technology, in particular to a dehumidification automatic drainage system and a dehumidifier thereof. Background Art

[0002] With the improvement of living standards and the continuous advancement of home appliance technology, consumers have increasingly higher requirements for the humanization of home appliances, and the degree of humanization of products often becomes the main factor for consumers to choose products.

[0003] In the prior art, dehumidifiers use different dehumidification modes according to different usage environments during use, which are generally divided into two common dehumidification modes: continuous dehumidification and automatic dehumidification.

[0004] Continuous dehumidification mode requires continuous operation, resulting in continuous condensation. This condensation often needs to be automatically drained from the dehumidifier through an external drain pipe. This means the dehumidifier operates in continuous drainage mode, draining the condensation directly into a floor drain or sewer. This mode is suitable for scenarios requiring long periods of continuous operation, such as basements, warehouses, and other places with high humidity. Its advantage is that it can operate 24 hours a day without manual intervention. However, its disadvantage is that a relatively fixed drain pipe must be installed during installation. Using a water tank for water collection often requires frequent manual draining, requiring not only downtime but also condensation leakage, making it extremely inconvenient to use. Automatic dehumidification mode automatically stops when humidity is low. Therefore, condensed water is often collected in a water tank. Once the water level reaches a set level, the water is manually drained before the machine continues to operate. This means that automatic dehumidification mode uses an automatic drain mechanism, automatically stopping when the water tank is full and prompting the user to refill it. The advantage of this method is its portability and ease of relocation, making it suitable for use in homes or small spaces. The disadvantage is that the water tank needs to be refilled regularly, and forgetting to do so can result in overflow.

[0005] From the above content, it is not difficult to see that continuous drainage is more suitable for fixed locations and high humidity environments, while automatic drainage is more suitable for scenarios that require flexible movement. The drainage process of the above two drainage treatment modes is complicated, and the dehumidifier with automatic drainage function has a complex structure. In addition, the operations required to convert manual drainage to automatic drainage are complicated, which brings many inconveniences to users.

[0006] Therefore, dehumidifiers with automatic drainage function continue to appear. The condensed water is also collected in the water tank first. A drainage pump is set in the water tank. When the drainage pump is turned on, the liquid in the water tank can be extracted to a high place and discharged. However, how to disassemble and connect the water outlet connector of the corresponding pipeline between the water tank and the drainage pump is complex in structure and inconvenient for installation and operation. For example, the patent publication number is CN103512180 A, and the invention name is "Drainage device and dehumidifier with the same". In the drainage method, the drainage device adopts three drainage methods for switching use: (1) when the external drainage pipe is not connected, the condensed water can be discharged into the first water tank through the first drainage groove and the first drainage channel and then manually drained; (2) the external drainage pipe connected to the first drainage channel can be connected at the first drainage joint to achieve drainage to a position lower than the drainage device, which is similar to the drainage method of (1), that is, the condensed water is discharged into the external drainage pipe through the first drainage groove and the first drainage channel and then discharged; (3) the first drainage channel can be blocked by a seal, and the external drainage pipe connected only to the second drainage channel can be connected at the second drainage joint to achieve drainage to a position higher than the drainage device. The above drainage method is an automatic drainage method. The first drainage channel is blocked by a seal so that the condensed water in the first drainage groove accumulates and flows into the second water tank through the second drainage groove, and then the water is pumped out from the second water tank by a water pump and the condensed water is discharged into the external drainage pipe through the second drainage channel and then discharged.

[0007] In short, the pipe head docking structure of the existing dehumidifier is complicated, and the operation required for converting manual drainage to automatic drainage is complicated. It cannot effectively avoid the problem of dripping from the drain outlet and the problem of unreliable power supply connection of the water pump contacts. There are also problems such as how to safely connect the power to the water pump placed in the water tank and the need to disassemble the entire machine for repair when the water pump fails. These problems bring many inconveniences to users, and new technical inventions are urgently needed to solve the above problems. Summary of the Invention

[0008] The present invention provides a dehumidification automatic drainage system and a dehumidifier thereof, which are compatible with multiple drainage methods and can automatically determine whether the drainage hose is connected or detached, effectively avoiding the problem of dripping at the drain outlet and the problem of unreliable power supply connection of the water pump contacts. The detachable pumping assembly facilitates the disassembly and maintenance of the water pump in the event of a malfunction.

[0009] The technical solution adopted by the present invention to solve its technical problem is: A dehumidification automatic drainage system includes a housing, a water receiving tray, and a water tank. The water tank is inserted into a mounting groove on the bottom side of the front or back of the housing so as to be movable in the front-to-back direction. The water receiving tray is located on the upper side of the water tank and is supported and mounted on the bottom side of the evaporator and condenser in the housing. A pumping assembly for automatically pumping the collected condensed water out of the shell is detachably installed in the water tank. The pumping assembly is detachably installed on the water tank in the vertical direction, and the top end is protruding relative to the inner edge of the water tank. A multifunctional socket is provided on the top of the pumping assembly along the front-to-back lateral movement direction of the water tank, which is respectively connected to the power plug in the installation slot and the signal connector for detecting whether the water tank has left its original position. The front or back of the housing is further provided with a drainage docking assembly for directly draining the condensed water collected in the water receiving tray or automatically draining the condensed water collected in the water tank to the outside of the housing after being connected to the water pumping assembly in the water tank through an external drainage hose. The drainage docking assembly is provided with a photoelectric sensing part for detecting that the external drainage hose is passed through the sleeve and connected to the water pumping assembly; The water tank is laterally assembled in the mounting groove of the shell, and the top of the pumping assembly on the water tank is docked with the power interface on the inside of the shell, and the photoelectric sensing part on the drainage docking assembly detects that the external drainage hose is inserted into place, when the water receiving tray on the bottom side of the evaporator and the condenser collects the condensed water and discharges it into the water tank to reach a certain water level, the pumping assembly automatically discharges the condensed water in the water tank to the outside of the shell through the external drainage hose.

[0010] Preferably, the drainage docking assembly includes a first straight joint and a water outlet pipe, the first straight joint is connected to the lower side of the edge of the water receiving tray, and the port is arranged on the front of the shell, the water outlet pipe is arranged beside the first straight joint, and is used for the drainage hose to pass through the outside of the shell and directly connect with the water pumping assembly in the water tank, and the photoelectric sensor is arranged on the upper side of the water outlet pipe to detect the passage of the external drainage hose through the sleeve; The first straight-drain joint adopts a coaxial double-tube structure. A straight-drain pipe is provided at the center of the first straight-drain joint, which is directly connected to the first straight-drain port recessed on the water receiving tray for drainage and is used to be connected to an external bellows. A threaded drain pipe is coaxially provided on the periphery of the straight-drain pipe for being connected to an external large-diameter threaded pipe. When the threaded drain pipe is connected to the large-diameter threaded pipe, condensed water on the water receiving tray enters the large-diameter threaded pipe through the straight-drain pipe and is discharged to the outside of the housing. The port of the straight-insert drainage pipe is also provided with a rubber plug for sealing the straight-insert drainage pipe when the first straight-row joint is not connected to the corrugated pipe or the large-diameter threaded pipe for drainage.

[0011] Preferably, a drainage cover is further provided at the end surface of the shell for sealing the first in-line joint and the water outlet pipe port.

[0012] Preferably, the photoelectric sensing part includes a bracket seat, a seesaw and a photoelectric sensor. The bracket seat is installed on the upper side of the water outlet pipe, one end of the seesaw is rotatably installed on the bracket seat, and the free end of the other end extends downward and automatically extends into the inner cavity of the water outlet pipe by its own weight. The photoelectric sensor is installed on the bracket seat on the upper side of the free end of the seesaw. When the drainage hose is passed through the water outlet pipe, the free end of the seesaw is lifted up to block the signal sensing on both sides of the photoelectric sensor, and is used to feedback the detection signal of the connection between the drainage hose and the pumping component through the photoelectric sensor.

[0013] Preferably, relative to the first straight discharge port on the water receiving tray that is directly connected to the first straight discharge joint, a second drain port is provided on the opposite side of the water receiving tray, the water inlet end face of which is higher than the first straight discharge port and is used to discharge condensed water into the water tank, and a collecting trough for condensed water confluence storage is formed around the second drain port.

[0014] Preferably, a secondary overflow trough is provided on the side of the collecting trough corresponding to the second drain outlet, and the outer periphery is flush with the side wall of the collecting trough, which is used for the overflow and discharge of condensed water when the second drain outlet is blocked. The corresponding secondary overflow trough is provided with a second-level overflow port for discharging condensed water to the water tank, and the side wall of the secondary overflow trough is also provided with a guide port connected to the collecting trough; the side of the secondary overflow trough is also provided with a tertiary overflow trough which is lower than the side wall of the secondary overflow trough and is used for the overflow and discharge of condensed water when the second-level overflow port is blocked, and the tertiary overflow port for discharging condensed water to the water tank is provided on the tertiary overflow trough adjacent to the second-level overflow port.

[0015] Preferably, a funnel plate is further provided on the lower side of the water receiving tray for receiving condensed water discharged from the second drain port, the second-stage overflow port or the third-stage overflow port and entering the water tank. The funnel plate is provided with a drainage hole for the condensed water to drain. The funnel plate is also provided with a leak-proof cut-off mechanism for self-locking and sealing the bottom drainage hole to prevent the condensed water from leaking when the water tank is pulled out of the shell. When the water tank is laterally moved in the front-to-back direction and inserted into the mounting groove on the bottom side of the shell, the water stop valve on the leak-proof cut-off mechanism is pushed upward by the touching action of the top of the water tank to release the blockage of the bottom drainage hole on the funnel plate.

[0016] The self-locking seat is correspondingly arranged just above the self-locking guide hole, and the self-locking spring is installed between the top side of the guide positioning column and the bottom side of the self-locking positioning seat, and drives the other side of the inverted U-shaped self-locking member to be installed in the self-locking guide hole through the self-locking guide hole. The water stop valve on the side is normally closed to block the drainage hole on the funnel plate, and the corresponding top of the water tank is provided with an inclined thrust surface which cooperates with the inclined cutting surface at the bottom end of the guide positioning column to facilitate the water tank to smoothly push the guide positioning column to rise and move along the self-locking guide hole along the front and rear feeding direction. When the water tank is inserted into the mounting groove of the shell along the front and rear feeding direction, the inclined thrust surface on the top of the water tank contacts the bottom end of the guide positioning column on the inverted U-shaped self-locking part, and after overcoming the self-tensioning force of the self-locking spring, the inverted U-shaped self-locking part is pushed upward, driving the water stop valve at the other end to move upward synchronously to release the self-locking blockage of the drainage hole on the funnel plate, and the condensed water in the water receiving tray directly enters the water tank for storage through the drainage hole.

[0017] Preferably, the water pumping assembly includes a water pumping box and a water pump. The water pumping box can be pulled out and disassembled on the water tank in the vertical direction up and down. A multi-function socket with a power interface is provided on the top of the water pumping box along the front and back horizontal movement direction of the water tank. The water pump is installed at the bottom of the water pumping box, and a drainage interface extending out of the outside of the box body and connected to the drainage hose is provided on the side wall of the water pumping box. The water inlet hole connected to the inside of the water tank for the water in the water tank to enter is provided at the water pump on the inner side wall of the water pumping box.

[0018] Preferably, a detachable and replaceable filter screen is installed at the water inlet of the water pump box to prevent the water pump from being blocked.

[0019] Preferably, the water pump is a centrifugal water pump with a large displacement, which effectively reduces the number of starts per unit cycle and increases the service life of the pump body.

[0020] Preferably, the multifunctional socket protruding from the top of the water pumping assembly includes a socket box, two power supply spring pins respectively connected to the positive and negative poles of the water pump, and two signal spring pins for detecting the signal that the water tank has left its original position. The two power supply spring pins are arranged in parallel at the center of the docking point of the socket box, and the two signal spring pins are symmetrically distributed on both sides of the two power supply spring pins. The rear ends of all the signal spring pins and the power supply spring pins are installed with springs for self-tensioning of the respective spring pins. The power plug in the corresponding installation slot is provided with a male plug that cooperates with the socket box. The docking end surface of the male plug is provided with copper pillars that respectively mate with all the signal spring pins and the power supply spring pins. The circumferential outer edge of the male plug and the socket box where they are docked and nested is also covered with a silicone sealing sleeve for sealing the docking joint.

[0021] A dehumidifier comprises a shell and a water tank, wherein the water tank is inserted into a mounting groove of the shell along a front-to-back direction; the shell and the water tank are installed with the above-mentioned automatic dehumidification drainage system.

[0022] The beneficial effects of the present invention are: The present invention addresses the problems of existing household dehumidifiers with water pump functions, most of which are installed on inactive components. When the water pump fails, repair and replacement require disassembling the entire machine, which is complex and difficult to operate. Furthermore, after the dehumidifier has been running for a period of time, the water discharged by the dehumidifier will contain impurities such as floccules and scale, which can easily clog the water pump filter or directly cause the water pump to malfunction, resulting in the entire machine ceasing to operate. In other words, the water pump on the existing water tank cannot be disassembled and replaced. The present invention adopts a modular design for the pumping assembly, which can be installed on the water tank as an accessory. Specifically, the water pump is designed as a detachable and replaceable component placed in the water tank, and a filter structure is also provided at the water inlet of the water pump. Because the water tank and the dehumidifier body can be detached, the user can easily clean the water pump filter of the pumping assembly in the water tank regularly. When the water pump fails, only the pumping assembly in the water tank needs to be replaced, without having to disassemble the entire machine for repair or replacement.

[0023] Moreover, the drainage docking component directly discharges the condensed water collected in the water receiving tray or automatically discharges the condensed water collected in the water tank to the outside of the shell through the drainage hose and the pumping component. Of course, the water tank can also be directly pumped out for drainage; so that the dehumidifier can use manual drainage, automatic drainage through the pumping component or direct drainage of the condensed water in the water receiving tray; and the pumping component that has expired can be replaced during use to achieve free switching control of multi-mode functions.

[0024] To address the control and power supply issues associated with the external water pump when using the pump assembly for drainage, a photoelectric sensor is installed on the outlet pipe to detect when the external drain hose is inserted through the outlet pipe. Once the pump is connected to the drain hose, it must pass through the outlet pipe. At this point, the photoelectric sensor on the sensor transmits drain hose assembly information back to the dehumidifier's mainboard, confirming that the pump is connected to the drain hose. The dehumidifier then activates the pump assembly to drain the water, achieving continuous dehumidification and high-lift drainage. To power the water pump, a multi-function socket on top of the pump assembly connects to the power plug in the mounting slot, along the horizontal direction of the water tank, and to a signal connector used to detect whether the water tank has left its original position. When the water tank is pushed into the mounting slot, the pump power cord is automatically connected via the power supply module, eliminating the need for the user to plug in the pump.

[0025] At the same time, in view of the problem that the dehumidifier is used for a long time and the entire system pipeline is easily blocked by debris, dust and dirt, and the water pump is affected in extracting condensed water, the water receiving tray of the present invention adopts a multi-stage overflow drainage design and is compatible with different drainage pipe docking schemes. The first straight row joint adopts a coaxial double-tube structure, with a straight-inserted drainage pipe for external bellows sleeve at the center, and a threaded drainage pipe for external large-diameter threaded pipe sleeve at the periphery of the straight-inserted drainage pipe. When the first straight row joint is not used for drainage, the row is sealed with a rubber plug. Water flows directly to the second drain outlet; the second drain outlet is located at the front end of the water receiving tray and directly drains water into the water tank. This drain outlet is designed with a three-level overflow structure. The first level directly drains water, and the second and third overflow outlets prevent the previous level from being blocked by dust and causing drainage failure, effectively solving the problem of condensed water entering the water receiving tray due to dust contact between the evaporator and condenser, causing drainage waterway blockage. The water receiving tray is designed with multi-level drainage and is compatible with different drainage pipe docking solutions. While improving drainage reliability and stability, it also diversifies drainage methods.

[0026] In addition, a leak-proof shut-off mechanism is provided on the lower side of the water collecting tray for self-locking and sealing the bottom drainage hole to prevent condensed water from leaking when the water tank is pulled out of the shell. When the water tank is pulled out of the mounting groove on the bottom side of the shell in the front-to-back direction, the inclined thrust surface on the top of the water tank disengages from the bottom end of the guide positioning column on the leak-proof shut-off mechanism, and the self-locking spring simultaneously pushes the water stop valve at the other end of the inverted U-shaped self-locking part downward, and simultaneously seals the drainage hole on the funnel tray to prevent condensed water on the water collecting tray from leaking into the mounting groove of the water tank.

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the dehumidifier of the present invention; Figure 2 This is a three-dimensional schematic diagram of the internal structure of the dehumidifier of the present invention after removing the shell; Figure 3 This is a front perspective structural diagram of the water receiving tray and its lower rib plate in the dehumidifier of the present invention; Figure 4 This is a schematic top view of the structure of the water receiving tray and its lower rib plate in the dehumidifier of the present invention; Figure 5 yes Figure 4 A schematic diagram of the enlarged structure of part A; Figure 6 It is a schematic cross-sectional structure diagram of the drainage system of the dehumidifier of the present invention; Figure 7 yes Figure 6 Schematic diagram of the enlarged structure of part B; Figure 8 It is an enlarged structural diagram of the water stop valve on the inverted U-shaped self-locking member of the present invention; Figure 9 This is a schematic diagram of the three-dimensional structure of the water receiving tray and the water tank after assembly in the present invention; Figure 10 This is a schematic diagram of the three-dimensional structure of the water receiving tray and the lower rib plate of the dehumidifier of the present invention when the drainage hose is assembled; Figure 11 It is an enlarged schematic diagram of the cross-sectional structure of the photoelectric sensing portion of the present invention; Figure 12 It is a schematic diagram of the three-dimensional structure of the dehumidifier of the present invention when the water pumping component and the water tank are assembled and connected; Figure 13 It is an enlarged schematic diagram of the three-dimensional structure of the water pumping assembly in the present invention; Figure 14 It is a schematic diagram of the three-dimensional structure of the dehumidifier installation slot in the present invention; Figure 15 It is a schematic diagram of the three-dimensional structure of the water tank in the present invention; Figure 16 It is a cross-sectional enlarged structural schematic diagram of the multifunctional socket of the present invention when assembled and docked.

[0029] in, Figure 7 The arrows in the diagram indicate the direction of condensed water flow. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only 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 making creative efforts are within the scope of protection of the present invention.

[0031] In the description of the present invention, "several" means one or more, "more" means two or more, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The terms "center," "upper," "lower," "left," "right," "front," "back," "vertical," "horizontal," "inside," and "outside" are used to indicate positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate and simplify the description of the present invention and are not intended to indicate or imply that the device or component referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0032] In addition, if there is a description of "first", "second" or "third", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In addition, in the description of the present invention, unless otherwise explicitly defined, terms such as "dispose," "install," and "connect" should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. A person of ordinary skill in the art can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] In this embodiment, the dehumidification automatic drainage system is assembled in the dehumidifier. Therefore, in the specific embodiment, the dehumidification automatic drainage system is not described separately, but is introduced and described in accordance with the overall assembly connection relationship with the dehumidifier.

[0035] A dehumidifier, such as Figures 1 to 5The utility model comprises a shell 1, a water receiving tray 2 and a water tank 3. The water tank 3 is inserted into the mounting groove 4 on the bottom side of the back of the shell 1 in a horizontal movement along the front-back direction. The water receiving tray 2 is located on the upper side of the water tank 3 and is supported and installed on the bottom side of the evaporator 5 and the condenser 6 in the shell 1. The lower space of the water receiving tray 2 on the opposite side of the water tank 3 is installed with an electrical box and a compressor; a pumping assembly 7 for automatically extracting the collected condensed water from the outside of the shell 1 is detachably installed in the water tank 3. The pumping assembly 7 is detachably installed on the water tank 3 in the vertical direction, and the top end is protruded relative to the inner edge of the water tank 3. A multifunctional socket 8 is provided on the top of the pumping assembly 7 along the horizontal movement direction of the water tank 3, which is respectively docked with a power plug in the mounting groove 4 and a signal connector for detecting whether the water tank 3 has left its original position; the front side of the shell 1 is also provided with a signal connector for connecting the water receiving tray 2 The collected condensed water is directly discharged, and the condensed water collected in the water tank 3 is automatically discharged to the drainage docking assembly 10 outside the shell 1 after being connected with the pumping assembly 7 in the water tank 3 through the external drain hose 9. The drainage docking assembly 10 is provided with a photoelectric sensing part 11 for detecting the external drain hose 9 passing through and connected with the pumping assembly 7; the water tank 3 is assembled in the mounting groove 4 of the shell 1 when it is moved horizontally back and forth, the top of the pumping assembly 7 on the water tank 3 is docked with the power interface on the inside of the shell 1 in place, and the photoelectric sensing part 11 on the drainage docking assembly 10 detects that the external drain hose 9 is inserted in place, when the water receiving tray 2 on the bottom side of the evaporator 5 and the condenser 6 collects the condensed water and discharges it into the water tank 3 to a certain water level, the pumping assembly 7 automatically discharges the condensed water in the water tank 3 to the outside of the shell 1 through the external drain hose 9.

[0036] Continue as Figures 1 to 5As shown, the drainage docking assembly 10 includes a first straight joint 100 and a water outlet pipe 101. The first straight joint 100 is connected to the lower side of the front edge of the water receiving tray 2, and the port is set on the front side of the shell 1. The water outlet pipe 101 is set beside the first straight joint 100 and is used for the drainage hose 9 to pass through from the outside of the shell 1 and directly connect with the water pumping assembly 7 in the water tank 3. The photoelectric sensing part 11 is set on the upper side of the water outlet pipe 101 to detect the passing of the external drainage hose 9; the first straight joint 100 adopts a coaxial double-tube structure. The center of the first straight joint 100 is provided with a first straight outlet 12 which is directly connected to the recessed setting on the water receiving tray 2 for drainage. The straight-insert drain pipe 100a is connected to the external bellows, and a threaded drain pipe 100b is coaxially mounted on the periphery of the straight-insert drain pipe 100a for connecting to the external large-diameter threaded pipe. When the threaded drain pipe 100b is connected to the large-diameter threaded pipe, the condensed water on the water receiving tray 2 enters the large-diameter threaded pipe through the straight-insert drain pipe 10a and is discharged from the outside of the shell 1; the port of the straight-insert drain pipe 100b is also equipped with a rubber plug 13 for sealing the straight-insert drain pipe when the first straight-row joint 100 is not connected to the bellows or the large-diameter threaded pipe for drainage; and a drainage cover 14 is also hingedly connected to the front end face of the shell 1 to seal the first straight-row joint 100 and the port of the outlet pipe 101.

[0037] like Figure 2 、 Figure 3 、 Figure 9 and Figure 10 As shown, the photoelectric sensing part 11 includes a bracket seat 110, a seesaw 111 and a photoelectric sensor 112. The bracket seat 110 is installed on the upper side of the water outlet pipe 101. One end of the seesaw 111 is rotatably installed on the bracket seat 110 through a pin shaft, and the free end of the other end extends downward and automatically extends into the inner cavity of the water outlet pipe 101 by its own weight. The photoelectric sensor 112 is installed on the bracket seat 110 on the upper side of the free end of the seesaw 111. When the drain hose 9 is passed through the water outlet pipe 101, the free end of the seesaw 111 is lifted up to block the signal sensing on both sides of the photoelectric sensor 112. The detection signal of the connection between the drain hose 9 and the pumping component 7 can be fed back to the main board of the dehumidifier through the photoelectric sensor 112.

[0038] like Figures 2 to 9As shown, relative to the first straight discharge port 12 on the water receiving tray 2 which is directly connected to the first straight discharge joint 100, a second drain port 15 is provided on the opposite side of the water receiving tray 2, the water inlet end face of which is higher than the first straight discharge port 12 and is used to discharge condensed water into the water tank 3. A collecting tank 16 for condensed water confluence storage is formed around the second drain port 15. A secondary overflow trough 17 is provided on the side of the collecting trough 16 corresponding to the second drain outlet 15, and its outer periphery is flush with the side wall of the collecting trough 16, which is used for the overflow and discharge of condensed water when the second drain outlet 15 is blocked. The corresponding secondary overflow trough 17 is provided with a second-stage overflow port 18 for discharging condensed water to the water tank 3, and a guide port 160 connected to the collecting trough 16 is also provided on the side wall of the secondary overflow trough 17; a tertiary overflow trough 19 is also provided on the side of the secondary overflow trough 17, which is lower than the side wall of the secondary overflow trough 17 and is used for the overflow and discharge of condensed water when the second-stage overflow port 18 is blocked. A third-stage overflow port 20 for discharging condensed water to the water tank 3 is provided on the tertiary overflow trough 19 adjacent to the second-stage overflow port 18. When the first straight joint 100 is not used for drainage, the drain outlet is sealed with a rubber plug 13, and water flows directly to the second drain outlet 15; the second drain outlet 15 is located at the front end of the water receiving tray 2 and drains water directly into the water tank 3. A three-level overflow structure is designed at this drain outlet. The first level directly drains water, and the second-level overflow outlet 18 and the third-level overflow outlet 20 prevent the previous level from failing to drain due to dust blockage, effectively solving the problem of condensed water entering the water receiving tray 2 due to contact with dust on the evaporator 5 and the condenser 6, causing the drainage waterway to be blocked; the water receiving tray 2 is designed with multi-level drainage and is compatible with different drainage pipe docking solutions, which not only improves the drainage reliability and stability, but also diversifies the drainage methods.

[0039] Continue as Figures 2 to 9As shown, a funnel plate 21 is further provided on the lower side of the water receiving tray 2 for receiving the condensed water discharged from the second drain port 15, the second-stage overflow port 18 and the third-stage overflow port 20 to enter the water tank 3. The funnel plate 21 is provided with a drainage hole 210 for the condensed water to drain. The funnel plate 21 is also provided with a leak-proof cut-off mechanism 22 for self-locking and sealing the bottom drainage hole to prevent the condensed water from leaking when the water tank 3 is pulled out of the shell 1. When the water tank 3 is laterally moved in the front-to-back direction and inserted into the mounting groove 4 on the bottom side of the shell 1, the water stop valve 220b on the leak-proof cut-off mechanism 22 is pushed upward by the touching action of the top of the water tank 3 to release the blockage of the bottom drainage hole 210 on the funnel plate 21. The leak-proof cut-off mechanism 22 includes an inverted U-shaped self-locking member 220, a self-locking guide hole 221, a self-locking spring 222 and a self-locking positioning seat 223. The self-locking guide hole 221 is arranged in parallel adjacent to the drainage hole 210 on the funnel plate 21. One side of the inverted U-shaped self-locking member 220 is formed with a guide positioning column 220a that is slidably installed in the self-locking guide hole 221, and the inclined cutting surface of the bottom end is in contact with the top of the water tank 3. The end of the other side of the inverted U-shaped self-locking member 220 is formed with a water stop valve 220b for blocking the drainage hole 210 on the funnel plate 21. The self-locking positioning seat 223 is correspondingly arranged just above the self-locking guide hole 221. The self-locking spring 222 is installed between the top side of the guide positioning column and the bottom side of the self-locking positioning seat 223, and drives the water stop on the other side of the inverted U-shaped self-locking member 220 through its self-tensioning elastic force. The valve 220b is normally closed to block the drainage hole 210 on the funnel plate 21. The corresponding top of the water tank 3 is provided with an inclined thrust surface 30 that cooperates with the inclined cut-in surface of the bottom end of the guide positioning column 220a, so that the water tank 3 can smoothly push the guide positioning column to rise and move along the self-locking guide hole 221 along the front and rear feeding direction. When the water tank 3 is inserted into the mounting groove 4 of the shell 1 along the front and rear feeding direction, the inclined thrust surface 30 on the top of the water tank 3 contacts the bottom end of the guide positioning column 220a on the inverted U-shaped self-locking part 220, overcoming the self-tensioning force of the self-locking spring 222, and pushing the inverted U-shaped self-locking part 220 upward, driving the water stop valve 220b at the other end to move upward synchronously to release the self-locking blockage of the drainage hole 210 on the funnel plate 21, and the condensed water in the water receiving tray 2 directly enters the water tank 3 for storage through the drainage hole 210. When the water tank 3 is pulled out of the mounting groove 4 on the bottom side of the shell 1 by moving horizontally in the front-to-back direction, the inclined thrust surface 30 on the top of the water tank 3 disengages from the bottom end of the guide positioning column 220a on the leak-proof cut-off mechanism 22, and the self-locking spring 222 simultaneously pushes the water stop valve 220b at the other end of the inverted U-shaped self-locking part 220 downward, and simultaneously blocks the drainage hole 210 on the funnel plate 21, preventing condensed water on the water receiving tray 2 from leaking into the mounting groove 4 of the water tank 3.

[0040] like Figures 12 to 16As shown, the pumping assembly 7 includes a pumping box 70 and a water pump 71. The pumping box 70 is installed on the water tank 3 in a pull-out and detachable manner in the vertical direction. A multifunctional socket 8 with a power interface is provided on the top of the pumping box 70 along the front and rear lateral movement direction of the water tank 3. The water pump 71 is installed at the bottom of the pumping box 70, and a drainage interface 72 extending from the outside of the box body and connected to the drainage hose 9 is provided on the side wall of the pumping box 70. A water inlet 73 connected to the inside of the water tank 3 for the water in the water tank 3 is provided at the water pump 71 on the inner side wall of the pumping box 70; a filter screen 74 that can be removed and replaced to prevent the water pump from being blocked is also installed at the water inlet hole 73 of the pumping box 70. The water pump 71 adopts a centrifugal water pump with a large drainage volume, which effectively reduces the number of starts per unit cycle and increases the service life of the pump body.

[0041] like Figure 16 As shown, the multifunctional socket 8 protruding from the top of the water pumping assembly 7 includes a socket box 80, two power supply spring pins 81 respectively connected to the positive and negative poles of the water pump 71, and two signal spring pins 82 for detecting the signal that the water tank 3 leaves the original position. The two power supply spring pins 81 are arranged in parallel at the center of the docking point of the socket box 80, and the two signal spring pins 82 are symmetrically distributed on both sides of the two power supply spring pins 81. The rear ends of all the signal spring pins 82 and the power supply spring pins 81 are installed with springs 83 for self-tensioning of the respective spring pins; the power plug in the corresponding mounting slot 4 is provided with a male plug 23 that cooperates with the socket box 80, and the docking end face of the male plug 23 is provided with a copper column 24 that docks and cooperates with all the signal spring pins 82 and the power supply spring pins 81 respectively. The circumferential outer edge of the male plug and the socket box 80 that are docked and nested is also sleeved with a silicone sealing sleeve 25 for sealing the docking point. When in use, the multi-function socket 8 on the top of the pumping component 7 is connected to the power plug in the installation slot 4 and the signal connector for detecting whether the water tank 3 has left its original position after moving horizontally along the front and back direction of the water tank 3. When the water tank 3 is pushed into the installation slot 4 of the water tank 3, the water pump power cord is automatically connected through the power supply module, and the user does not need to plug in the water pump.

[0042] In this embodiment, the pumping assembly 7 adopts a modular design, which allows the pumping assembly 7 to be installed on the water tank 3 as an accessory. That is, the water pump is designed as a detachable and replaceable component and placed in the water tank 3. A filter structure is also provided at the water inlet of the water pump. Since the water tank 3 and the dehumidifier body can be detached, it is convenient for the user to regularly clean the water pump filter of the pumping assembly 7 in the water tank 3. When the water pump fails, only the pumping assembly 7 in the water tank 3 needs to be replaced, without disassembling the entire machine for repair and replacement. The drainage docking assembly 10 directly discharges the condensed water collected in the water receiving tray 2 or automatically discharges the condensed water collected in the water tank 3 to the outside of the housing 1 through the drain hose 9 and the pumping assembly 7. Of course, the water tank 3 can also be directly pumped out for drainage. This allows the dehumidifier to be drained manually, automatically through the pumping assembly 7, or by directly draining the condensed water from the water receiving tray 2. The pumping assembly 7 can also be replaced when it reaches the end of its service life, realizing free switching control of multi-mode functions.

[0043] The outlet pipe 101 is provided with a photoelectric sensor 11 for detecting whether the external drain hose 9 is inserted through the drain hose 9. When the water pump is connected to the drain hose 9, the drain hose 9 must pass through the outlet pipe 101. At this time, the photoelectric sensor switch on the photoelectric sensor 11 will feedback the installation information of the drain hose 9 to the main board of the dehumidifier, thereby determining that the water pump has been connected to the drain hose 9. The dehumidifier can then start the water pump on the pumping assembly 7 to drain water, achieving continuous dehumidification and high-lift drainage.

[0044] The above-described embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Any equivalent changes made based on the shape, structure and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dehumidification automatic drainage system, characterized in that: The evaporator comprises a housing, a water receiving tray and a water tank. The water tank is inserted into a mounting groove on the front or rear bottom side of the housing so as to be movable in the front-to-back direction. The water receiving tray is located on the upper side of the water tank and is supported and mounted on the bottom side of the evaporator and condenser in the housing. A pumping assembly for automatically pumping the collected condensed water out of the shell is detachably installed in the water tank. The pumping assembly is detachably installed on the water tank in the vertical direction, and the top end is protruding relative to the inner edge of the water tank. A multifunctional socket is provided on the top of the pumping assembly along the front-to-back lateral movement direction of the water tank, which is respectively connected to the power plug in the installation slot and the signal connector for detecting whether the water tank has left its original position. The front or back of the housing is further provided with a drainage docking assembly for directly draining the condensed water collected in the water receiving tray or automatically draining the condensed water collected in the water tank to the outside of the housing after being connected to the water pumping assembly in the water tank through an external drainage hose. The drainage docking assembly is provided with a photoelectric sensing part for detecting that the external drainage hose is passed through the sleeve and connected to the water pumping assembly; The water tank is laterally assembled in the mounting groove of the shell, and the top of the pumping assembly on the water tank is docked with the power interface on the inside of the shell, and the photoelectric sensing part on the drainage docking assembly detects that the external drainage hose is inserted into place, when the water receiving tray on the bottom side of the evaporator and the condenser collects the condensed water and discharges it into the water tank to reach a certain water level, the pumping assembly automatically discharges the condensed water in the water tank to the outside of the shell through the external drainage hose.

2. The dehumidification automatic drainage system according to claim 1, characterized in that: The drainage docking assembly includes a first straight joint and a water outlet pipe. The first straight joint is connected to the lower side of the edge of the water receiving tray, and the port is arranged on the front of the shell. The water outlet pipe is arranged beside the first straight joint and is used for the drainage hose to pass through the outside of the shell and directly connect to the water pumping assembly in the water tank. The photoelectric sensor is arranged on the upper side of the water outlet pipe to detect the passage of the external drainage hose through the sleeve. The first straight-drain joint adopts a coaxial double-tube structure. A straight-drain pipe is provided at the center of the first straight-drain joint, which is directly connected to the first straight-drain port recessed on the water receiving tray for drainage and is used to be connected to an external bellows. A threaded drain pipe is coaxially provided on the periphery of the straight-drain pipe for being connected to an external large-diameter threaded pipe. When the threaded drain pipe is connected to the large-diameter threaded pipe, condensed water on the water receiving tray enters the large-diameter threaded pipe through the straight-drain pipe and is discharged to the outside of the housing. The port of the straight-insert drainage pipe is also provided with a rubber plug for sealing the straight-insert drainage pipe when the first straight-row joint is not connected to the corrugated pipe or the large-diameter threaded pipe for drainage.

3. The dehumidification automatic drainage system according to claim 2, characterized in that: The end surface of the shell is also provided with a drainage cover for sealing the first straight-row joint and the water outlet pipe port.

4. The dehumidification automatic drainage system according to claim 2, characterized in that: The photoelectric sensing part includes a bracket seat, a seesaw and a photoelectric sensor. The bracket seat is installed on the upper side of the water outlet pipe. One end of the seesaw is rotatably installed on the bracket seat, and the free end of the other end extends downward and automatically extends into the inner cavity of the water outlet pipe by its own weight. The photoelectric sensor is installed on the bracket seat on the upper side of the free end of the seesaw. When the drainage hose is passed through the water outlet pipe, the free end of the seesaw is lifted up to block the signal induction on both sides of the photoelectric sensor, and is used to feedback the detection signal of the connection between the drainage hose and the pumping component through the photoelectric sensor.

5. The dehumidification automatic drainage system according to claim 2, characterized in that: Relative to the first straight discharge port on the water receiving tray that is directly connected to the first straight discharge joint, a second drain port is provided on the opposite side of the water receiving tray, the water inlet end face of which is higher than the first straight discharge port and is used to discharge condensed water into the water tank. A collecting trough for condensed water confluence and storage is formed around the second drain port.

6. The dehumidification automatic drainage system according to claim 5, characterized in that: A secondary overflow trough is also provided on the side of the collecting trough corresponding to the second drain outlet, and the outer periphery is flush with the side wall of the collecting trough, which is used for the overflow and discharge of condensed water when the second drain outlet is blocked. The corresponding secondary overflow trough is provided with a second-level overflow port for discharging condensed water to the water tank, and a guide port connected to the collecting trough is also provided on the side wall of the secondary overflow trough; a tertiary overflow trough is also provided on the side of the secondary overflow trough, which is lower than the side wall of the secondary overflow trough and is used for the overflow and discharge of condensed water when the second-level overflow port is blocked, and a third-level overflow port for discharging condensed water to the water tank is provided on the third-level overflow trough adjacent to the second-level overflow port.

7. The dehumidification automatic drainage system according to claim 6, characterized in that: The lower side of the water receiving tray is also provided with a funnel tray for receiving condensed water discharged from the second drain port, the second-stage overflow port or the third-stage overflow port and entering the water tank. The funnel tray is provided with a drainage hole for the condensed water to drain. The funnel tray is also provided with a leak-proof cut-off mechanism for self-locking and sealing the bottom drainage hole to prevent the condensed water from leaking when the water tank is pulled out of the shell. When the water tank is moved horizontally in the front-to-back direction and inserted into the mounting groove on the bottom side of the shell, the water stop valve on the leak-proof cut-off mechanism is pushed upward through the touching action of the top of the water tank to release the blockage of the bottom drainage hole on the funnel tray.

8. The dehumidification automatic drainage system according to claim 7, characterized in that: The self-locking seat is correspondingly arranged just above the self-locking guide hole, and the self-locking spring is installed between the top side of the guide positioning column and the bottom side of the self-locking positioning seat, and drives the other side of the inverted U-shaped self-locking member to be closed by self-tensioning elastic force. The water stop valve is normally closed to block the drainage hole on the funnel plate, and the corresponding top of the water tank is provided with an inclined thrust surface which cooperates with the inclined cutting surface at the bottom end of the guide positioning column to facilitate the water tank to smoothly push the guide positioning column to rise and move along the self-locking guide hole along the front and rear feeding direction. When the water tank is inserted into the mounting groove of the shell along the front and rear feeding direction, the inclined thrust surface on the top of the water tank contacts the bottom end of the guide positioning column on the inverted U-shaped self-locking part, and after overcoming the self-tensioning force of the self-locking spring, the inverted U-shaped self-locking part is pushed upward, driving the water stop valve at the other end to move upward synchronously to release the self-locking blockage of the drainage hole on the funnel plate, and the condensed water in the water receiving tray directly enters the water tank for storage through the drainage hole.

9. The dehumidification automatic drainage system according to claim 1, characterized in that: The water pumping assembly includes a water pumping box and a water pump. The water pumping box can be pulled out and disassembled on the water tank in the vertical direction. A multi-functional socket with a power interface is provided on the top of the water pumping box along the front and rear horizontal movement direction of the water tank. The water pump is installed at the bottom of the water pumping box, and a drainage interface extending out of the box body and connected to the drainage hose is provided on the side wall of the water pumping box. The water pump is provided at the water pump on the inner side wall of the water pumping box corresponding to the water pump, which is connected to the inside of the water tank and is used for water in the water tank to enter.

10. The dehumidification automatic drainage system according to claim 9, characterized in that: A detachable and replaceable filter screen is also installed at the water inlet of the water pump box to prevent the water pump from being blocked.

11. The dehumidification automatic drainage system according to claim 9, characterized in that: The water pump adopts a centrifugal water pump with large drainage capacity, which effectively reduces the number of starts in a unit cycle and increases the service life of the pump body.

12. The dehumidification automatic drainage system according to claim 9, characterized in that: The multifunctional socket protruding from the top of the water pumping assembly includes a socket box, two power supply spring pins respectively connected to the positive and negative poles of the water pump, and two signal spring pins for detecting the signal that the water tank has left its original position. The two power supply spring pins are arranged in parallel at the center of the docking point of the socket box, and the two signal spring pins are symmetrically distributed on both sides of the two power supply spring pins. The rear ends of all signal spring pins and power supply spring pins are installed with springs for self-tensioning of the respective spring pins. The power plug in the corresponding installation slot is provided with a male plug that cooperates with the socket box. The docking end surface of the male plug is provided with copper pillars that respectively mate with all the signal spring pins and the power supply spring pins. The circumferential outer edge of the male plug and the socket box where they are docked and nested is also covered with a silicone sealing sleeve for sealing the docking joint.

13. A dehumidifier, comprising a housing and a water tank, wherein the water tank is inserted into a mounting groove of the housing along a front-to-back direction; The shell and the water tank are installed with a dehumidification automatic drainage system as described in any one of claims 1 to 12.

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