Drying system, dishwasher and drying method

Abstract

This invention provides a drying system, a dishwasher, and a drying method. The drying system includes an air duct, with its two ends connected to an air outlet and an air inlet of the device, respectively. A first fan is installed at the end of the air duct near the air outlet, and a second fan is installed at the end of the air duct near the air inlet. A separation device is installed between the first and second fans. The first fan blows gas from inside the device into the air duct, and the separation device separates water vapor from the gas in the air duct. Then, the second fan blows the gas from the air duct into the device. This invention utilizes an internal circulation drying system to remove moisture from the high-humidity air inside the dishwasher through an internal circulation air duct, and then the air flows back into the dishwasher, thereby reducing the humidity inside the dishwasher and drying the tableware. This prevents the tableware from becoming damp and achieves drying by utilizing its own air circulation, thus eliminating the influence of ambient air humidity.

Description

Technical Field

[0001] This invention relates to the field of dishwasher technology, and more specifically to a drying system, dishwasher, and drying method. Background Technology

[0002] With the significant increase in the washing efficiency and popularity of dishwashers, dishwashers have entered thousands of households. Currently, most dishwashers use direct air blowing to dry dishes. This drying method can easily lead to poor drying of dishes when the external air humidity is high. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the problem that the tableware is not dried well in the prior art. The present invention provides a drying system, a dishwasher and a drying method. The internal circulation drying system removes moisture from the high humidity air in the dishwasher through the internal circulation air duct and then flows back into the dishwasher to reduce the humidity of the air in the dishwasher, thereby drying the tableware and avoiding the tableware from being damp. The tableware is dried by its own air circulation, so that it is no longer affected by the humidity of the surrounding air.

[0004] To solve the above-mentioned technical problems, the technical solution proposed by this invention is as follows:

[0005] A drying system includes an air duct, wherein the two ends of the air duct are connected to an air outlet and an air inlet of an equipment, respectively. A first fan is installed at the end of the air duct near the air outlet, and a second fan is installed at the end of the air duct near the air inlet. A separation device is installed between the first fan and the second fan. The first fan blows gas from inside the equipment into the air duct. After the separation device separates water vapor from the gas in the air duct, the second fan blows the gas in the air duct into the equipment.

[0006] According to the drying system of this invention, an air duct connects the air outlet and air inlet of the dishwasher. Fans are installed at both the air inlet and outlet to create airflow within the dishwasher, forming an internal circulation drying system. This system rapidly separates the air from the steam inside the dishwasher through a separation device, reducing the humidity without air replacement, thus achieving the purpose of drying the tableware. Therefore, the drying system of this invention can ignore the influence of external air humidity, utilizing its own air circulation to dry the tableware, making it unaffected by the ambient air humidity.

[0007] The above technical solution can be further improved as described below.

[0008] In a preferred embodiment of the drying system according to the present invention, both the first fan and the second fan comprise at least two sets.

[0009] By installing multiple sets of fans at the air outlet and air inlet, when the humidity decreases and the separation efficiency drops in the later stage of the dishwasher, the airflow intensity can be accelerated through the separation device by multiple sets of fans to improve the separation effect, thereby effectively improving the working efficiency of the drying system.

[0010] Specifically, in a preferred embodiment, the air duct includes an outlet air duct, a dehumidification air duct, and an inlet air duct connected in sequence, wherein a first fan is disposed in the outlet air duct at one end near the air outlet of the equipment, a second fan is disposed in the inlet air duct at one end near the air inlet of the equipment, and a separation device is located in the dehumidification air duct.

[0011] Specifically, the air duct is segmented and connected, which is easy to process, manufacture and disassemble, and facilitates the arrangement of fans and separation devices. The air outlet duct is composed of a lower air outlet duct shell and an upper air outlet duct shell welded together. The air inlet duct is composed of a lower air inlet duct shell and an upper air inlet duct welded together. The dehumidification duct is also composed of two welded parts. The centrifugal fan blades are installed on one part of the dehumidification duct, and the other part is fastened on to form the dehumidification duct.

[0012] Specifically, in a preferred embodiment, the separation device includes centrifugal fan blades.

[0013] Using centrifugal fan blades as a separation device not only results in a simple structure and good separation effect, but also makes it easy to install and arrange.

[0014] Specifically, after the dishwasher finishes its washing phase, it enters the drying phase. At this time, the dishwasher is filled with high-humidity air and water vapor. The fans at the air outlet and air inlet are turned on simultaneously, causing the high-humidity air inside the dishwasher to quickly pass through the dehumidification duct. When the high-humidity air passes through the centrifugal fan blades, the gas spirals. The water vapor has a higher density, and due to the eccentric force during the spiral motion, the water vapor is thrown to the outside of the centrifugal fan blades or the duct wall, where it condenses into water droplets and flows out. This significantly reduces the humidity of the air after passing through the centrifugal fan blades. Therefore, through the internal circulation duct, the air inside the dishwasher is continuously dehumidified at high speed through the centrifugal fan blades, thereby reducing the humidity inside the dishwasher and achieving the purpose of drying the dishes.

[0015] Furthermore, in a preferred embodiment, a push-pull sealing device is provided in the air duct near the air outlet of the device, the push-pull sealing device having a part that can cooperate with the air outlet of the dishwasher.

[0016] Furthermore, to prevent water from flowing into the internal circulation duct from the air outlet during dishwasher washing of dishes, a push-pull sealing device is installed on the duct. During dishwasher washing, the push-pull sealing device extends to cooperate with the air outlet and blocks the air outlet. During the drying stage, the push-pull sealing device retracts.

[0017] Specifically, in a preferred embodiment, the push-pull sealing device includes a push rod motor arranged on the air duct, and a sealing ring that can cooperate with the air outlet of the equipment is provided at one end of the push rod motor near the air outlet of the equipment.

[0018] Specifically, the push rod motor is a linear motion motor. During the dishwasher cleaning process, the push rod motor pushes the sealing ring out to block the air outlet. During the drying stage, the push rod motor retracts, causing the sealing ring to separate from the air outlet. The whole process is convenient, stable and reliable, and the push rod motor is easy to install.

[0019] Furthermore, in a preferred embodiment, a heating device is also provided inside the air duct near the air inlet of the equipment.

[0020] By adding a heating device at the air inlet, when the humidity inside the dishwasher can no longer be significantly reduced by the centrifugal device, the heating device is turned on to use hot air to dry the dishes inside the dishwasher, thereby achieving a better drying effect.

[0021] Specifically, in a preferred embodiment, the heating device includes a PTC heating module and / or an infrared heating module, etc.

[0022] It uses one or both of the PCT heating module and the infrared heating module, which has good heating effect and is easy to arrange and install.

[0023] The dishwasher of the second aspect of the present invention includes the drying system as described above, wherein the two ends of the air duct are respectively connected to the dishwasher air outlet and the dishwasher air inlet.

[0024] The drying method of the third aspect of the present invention is implemented using the drying system described above, and includes the following steps: S01, simultaneously turning on the first fan, the second fan and the separation device for a preset time.

[0025] Obviously, the drying method of the present invention, by employing the above-mentioned drying system, uses an internal circulation drying system to remove moisture from the high-humidity air inside the dishwasher through an internal circulation duct, and then flows back into the dishwasher to reduce the air humidity inside the dishwasher, thereby drying the tableware and preventing the tableware from becoming damp. The tableware is dried by its own air circulation, so that it is no longer affected by the humidity of the surrounding air.

[0026] The above technical solution can be further improved as described below.

[0027] According to the drying method of the present invention, in a preferred embodiment, in step S01, in the first stage, a first preset number of first fans, a second preset number of second fans and a separation device are simultaneously turned on for a preset time T1, and in the second stage, more than the first preset number of first fans, more than the second preset number of second fans and a separation device are simultaneously turned on for a preset time T2.

[0028] By controlling the number of fans to be turned on in stages, precise control can be achieved, which can maximize the drying effect while effectively saving resources.

[0029] Furthermore, in a preferred embodiment, a heating device is also provided in the air duct near the air inlet of the equipment, and the method further includes step S02, simultaneously turning on the first fan, the second fan, the separation device and the heating device for a preset time T3.

[0030] By effectively utilizing the heating effect of the heating device, the drying efficiency can be effectively improved.

[0031] Compared to existing technologies, the advantages of this invention are as follows: It utilizes an air duct to connect the dishwasher's air outlet and air inlet, and installs fans at both the inlet and outlet to create airflow within the dishwasher, forming an internal circulation drying system. This system rapidly separates the air from the steam within the dishwasher using a separation device, reducing humidity without requiring air replacement, thus achieving the purpose of drying the tableware. Therefore, the drying system according to this invention can ignore the influence of external air humidity, utilizing its own air circulation to dry the tableware, making it unaffected by ambient air humidity. Attached Figure Description

[0032] The invention will now be described in more detail with reference to embodiments and the accompanying drawings.

[0033] Figure 1 The schematic diagram illustrates the overall structure of the dishwasher in a first direction according to an embodiment of the present invention;

[0034] Figure 2 The schematic diagram illustrates the overall structure of the dishwasher in a second direction according to an embodiment of the present invention;

[0035] Figure 3 The schematic diagram illustrates the overall structure of the dishwasher according to an embodiment of the present invention in a third direction;

[0036] Figure 4 The schematic diagram illustrates the overall structure of the dishwasher in the fourth direction according to an embodiment of the present invention;

[0037] Figure 5 The schematic diagram shows a cross-sectional view of the push-pull sealing device in an embodiment of the present invention;

[0038] Figure 6 The control flow of the drying method according to an embodiment of the present invention is illustrated schematically.

[0039] In the accompanying drawings, the same parts use the same reference numerals. The drawings are not drawn to scale. Detailed Implementation

[0040] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection of the present invention.

[0041] Figure 1 The schematic diagram shows the overall structure of the dishwasher 100 in a first direction according to an embodiment of the present invention. Figure 2 The schematic diagram shows the overall structure of the dishwasher 100 in a second direction according to an embodiment of the present invention. Figure 3 The schematic diagram illustrates the overall structure of a dishwasher 100 according to an embodiment of the present invention. Figure 4 The schematic diagram shows the overall structure of the dishwasher 100 in the fourth direction according to an embodiment of the present invention. Figure 5 The schematic diagram shows a cross-sectional view of the push-pull sealing device 6 in an embodiment of the present invention. Figure 6 The control flow of the drying method according to an embodiment of the present invention is illustrated schematically.

[0042] Example 1

[0043] like Figures 1 to 4 As shown, the drying system of this embodiment includes an air duct 1, wherein the two ends of the air duct 1 are connected to the dishwasher air outlet 101 and the dishwasher air inlet 102, respectively. A first fan 2 is provided at one end of the air duct 1 near the dishwasher air outlet 101, and a second fan 3 is provided at one end of the air duct 1 near the dishwasher air inlet 102. A separation device 4 is provided between the first fan 2 and the second fan 3. The first fan 2 blows the gas in the dishwasher into the air duct 1. After the separation device 4 separates the water vapor in the gas in the air duct 1, the second fan 3 blows the gas in the air duct 1 into the equipment.

[0044] Specifically, in this embodiment, a cavity can be formed in the air duct 1 to house the separation device 4, or a suitable structure such as a mounting bracket or support can be provided to install the separation device 4. The separation device 4 itself does not rotate, and the fan blades also do not rotate. The gas rotates after passing through the fan blades, causing the gas itself to change its wind direction, thereby achieving separation.

[0045] According to the drying system of this invention, the dishwasher's air outlet and air inlet are connected by an air duct. Fans are installed at both the air inlet and outlet. After the dishwasher completes its washing phase, it enters the drying phase. At this time, the dishwasher is filled with high-humidity air and water vapor. The fans at both the air outlet and inlet are simultaneously turned on, allowing the high-humidity air to quickly pass through the air duct. As the high-humidity air passes through the separation device, the gas undergoes spiral motion. Due to the high density of water vapor, the spiral motion, caused by eccentric force, throws the water vapor to the outside of the separation device or onto the air duct wall, where it condenses into water droplets and flows out. This significantly reduces the humidity of the air after passing through the separation device. Without air replacement, the air flow between the dishwasher's air outlet and inlet forms an airflow within the dishwasher, creating an internal circulation drying system to achieve the purpose of drying the tableware. Therefore, the drying system of this invention can ignore the influence of external air humidity, utilizing its own air circulation to dry the tableware, thus eliminating the influence of ambient air humidity.

[0046] like Figure 1 As shown, specifically in this embodiment, the separation device 4 includes centrifugal fan blades. Using centrifugal fan blades as the separation device not only results in a simple structure and good separation effect, but also facilitates installation and arrangement.

[0047] Specifically, after the dishwasher finishes its washing phase and enters the drying phase, the dishwasher is filled with high-humidity air and water vapor. At this time, both the exhaust and intake fans are turned on simultaneously, causing the high-humidity air to quickly pass through the dehumidification duct 12. As the high-humidity air passes through the centrifugal fan blades, the gas undergoes a spiral motion. Due to the higher density of water vapor, the spiral motion, caused by eccentric force, results in water vapor being thrown to the outside of the centrifugal fan blades or the duct wall, condensing into water droplets that flow out. This significantly reduces the humidity of the air after passing through the centrifugal fan blades. Therefore, through the internal circulation duct, the air inside the dishwasher is continuously dehumidified at high speed through the centrifugal fan blades, thereby reducing the humidity inside the dishwasher and achieving the purpose of drying the dishes. Specifically, as... Figure 1 and Figure 3 As shown, a drain pipe 14 is installed at the bottom of the dehumidification duct near the separation device. The outlet of the drain pipe 14 is connected to the inner tub of the dishwasher, or it can be connected to the drain pipe of the dishwasher.

[0048] like Figure 1 As shown, further, in this embodiment, both the first fan 2 and the second fan 3 include at least two sets. By setting multiple sets of fans at the air outlet and air inlet, when the humidity decreases and the separation efficiency decreases in the later stage of the dishwasher, the airflow intensity can be accelerated through the separation device by multiple sets of fans to improve the separation effect, thereby effectively improving the working efficiency of the drying system.

[0049] like Figure 2As shown, further, in this embodiment, a heating device 5 is also provided inside the air duct 1 near the dishwasher air inlet 102. By adding a heating device at the air inlet, when the air humidity inside the dishwasher can no longer be significantly reduced by the centrifugal device, the heating device is turned on, and hot air is used to dry the dishes inside the dishwasher, thereby achieving a better drying effect. Specifically, in this embodiment, the heating device 5 includes a PTC heating module and / or an infrared heating module. Using a PTC heating module and an infrared heating module provides good heating effect and is easy to arrange and install. Obviously, other heating modules (not shown) that can achieve the above-mentioned technical effects are also applicable to this embodiment.

[0050] like Figures 1 to 4 As shown, specifically in this embodiment, the air duct 1 includes an outlet air duct 11, a dehumidification air duct 12, and an inlet air duct 13 connected in sequence. The first fan 2 is located within the outlet air duct 11, the second fan 3 is located within the inlet air duct 13, and the separation device 4 is located within the dehumidification air duct 12. Specifically, the air duct is segmented and connected, which facilitates processing, manufacturing, and disassembly, and also allows for convenient arrangement of the fans and separation device. The outlet air duct is formed by welding together a lower outlet air duct shell and an upper outlet air duct shell. The inlet air duct is also formed by welding together a lower inlet air duct shell and an upper inlet air duct shell. The dehumidification air duct is preferably composed of two parts that are interlocked together. A centrifugal fan blade is installed on one part of the dehumidification air duct, and the other part is interlocked to form the dehumidification air duct. Alternatively, the two parts can be welded together. Specifically, the interface of the dehumidification duct 12 is circular, which makes it easy to install with separation devices such as centrifugal fan blades with circular structures. The cross-sectional areas of the outlet duct 11 and the inlet duct 13 are rectangular, which makes it easy to install with the fan. Transition sections are provided between the outlet duct 11 and the dehumidification duct 12 and between the inlet duct 13 and the dehumidification duct, making the entire duct aesthetically pleasing, structurally strong, and easy to arrange and install.

[0051] Example 2

[0052] like Figure 5 As shown, the drying system of this embodiment differs from that of Embodiment 1 in that a push-pull sealing device 6 is provided in the air duct 1 near the dishwasher air outlet 101. The push-pull sealing device 6 has a portion that can cooperate with the dishwasher air outlet 101. Furthermore, to prevent water from flowing into the internal circulation air duct from the air outlet when the dishwasher is washing dishes, a push-pull sealing device is installed on the air duct. During dishwasher washing, the push-pull sealing device is pushed out to cooperate with the air outlet and block the air outlet. During the drying stage, the push-pull sealing device is retracted.

[0053] Specifically, in this embodiment, the push-pull sealing device 6 includes a push rod motor 61 arranged on the air duct 1. A sealing ring 62, capable of engaging with the dishwasher air outlet 101, is provided at one end of the push rod motor 61 near the dishwasher air outlet 101. Specifically, the push rod motor is a linear motion motor. During dishwasher washing, the push rod motor pushes the sealing ring out to press against the air outlet. During the drying stage, the push rod motor retracts, causing the sealing ring to separate from the air outlet. The entire process is convenient, stable, and reliable, and the push rod motor is easy to arrange and install. Figure 5 As shown, the push rod motor is in a non-energized state and is a linear motion motor. When energized, the push rod motor moves to the right and blocks the dishwasher's air outlet 101.

[0054] Example 3

[0055] like Figures 1 to 4 As shown, the dishwasher 100 of this embodiment includes a drying system as described in the above embodiment, and the two ends of the air duct 1 are respectively connected to the air outlet 101 and the air inlet 102 of the dishwasher.

[0056] Example 4

[0057] like Figure 6 As shown, the drying method of this embodiment of the invention is implemented using the drying system described in the above embodiment, and includes the following steps: S01, simultaneously turning on the first fan 2, the second fan 3, and the separation device 4 for a preset time T1. Clearly, the drying method of this invention, by employing the above-described drying system, utilizes an internal circulation drying system to remove moisture from the high-humidity air inside the dishwasher through an internal circulation duct, and then flows back into the dishwasher to reduce the air humidity inside the dishwasher, thereby drying the tableware and preventing it from becoming damp. The tableware is dried using its own air circulation, making it no longer affected by the surrounding air humidity.

[0058] Specifically, in this embodiment, in step S01, in the first stage, a set of first fans 2, a set of second fans 3, and the separation device 4 are simultaneously turned on for a preset time T1. In the second stage, two sets of first fans 2, a set of second fans 3, and the separation device 4 are simultaneously turned on for a preset time T2. Specifically, the number of first fans and second fans is set according to the specific structure and specifications of the product. In this embodiment, considering the specific spatial location, multiple first fans are set at the air outlet, while only one fan is set at the air inlet. Since the humidity is high at the beginning, a small number of fans are turned on in the first stage. However, after dehumidification has been carried out for a period of time, the humidity of the gas decreases, and the dehumidification efficiency decreases. Therefore, more fans are turned on to give the gas more power for dehumidification. Thus, by controlling the number of fans turned on in stages, a precise control effect can be achieved, which can effectively save resources while maximizing the drying effect.

[0059] Example 5

[0060] like Figure 2 and Figure 6 As shown, the drying method of this embodiment differs from that of Embodiment 4 in that a heating device 5 is provided on the air duct 1 near the dishwasher air inlet 102, and the method further includes step S02, simultaneously turning on the first fan, the second fan, the separation device, and the heating device for a preset time T3. By effectively utilizing the heating effect of the heating device, the drying efficiency can be effectively improved. Obviously, in this embodiment, the number of the first fan and the second fan turned on can also be selected as needed.

[0061] As can be seen from the above embodiments, the drying system, dishwasher, and drying method involved in this invention utilize an air duct to connect the air outlet and air inlet of the dishwasher. Fans are installed at the air inlet and air outlet respectively to make the air flow at the air outlet and air inlet of the dishwasher form an airflow inside the dishwasher, thereby forming an internal circulation drying system. The air inside the dishwasher is quickly separated from the steam by a separation device, reducing the air humidity inside the dishwasher. Without air replacement, the purpose of drying the tableware is achieved. The influence of external air humidity can be ignored, and the tableware is dried by its own air circulation, so that it is no longer affected by the surrounding air humidity.

[0062] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A drying system, characterized in that, Including air ducts; among which, The two ends of the air duct are connected to the equipment air outlet and the equipment air inlet, respectively; A first fan is installed at one end of the air duct near the air outlet of the equipment, and a second fan is installed at one end of the air duct near the air inlet of the equipment. A separation device is installed between the first fan and the second fan. The first fan blows the gas inside the equipment into the air duct, and after the separation device separates the water vapor in the gas in the air duct, the second fan blows the gas in the air duct into the equipment. The separation device includes centrifugal fan blades. The separation device itself does not rotate, nor do the fan blades. When the gas passes through the fan blades, it rotates, causing a change in the airflow direction of the gas, thereby achieving the separation of water vapor. When the equipment enters the drying stage, the first fan and the second fan are turned on simultaneously, allowing the high-humidity air inside the equipment to quickly pass through the air duct. When the high-humidity air passes through the centrifugal fan blades, the gas spirals, and the water vapor has a high density. Due to the eccentric force during the spiral motion, the water vapor is thrown to the outside of the centrifugal fan blades or the air duct wall, where it condenses into water droplets and flows out. This significantly reduces the humidity of the air after passing through the centrifugal fan blades. The air inside the equipment is continuously dehumidified by passing through the centrifugal fan blades at high speed through the air duct.

2. The drying system according to claim 1, characterized in that, The air duct includes an outlet air duct, a dehumidification air duct, and an inlet air duct connected in sequence; wherein... The first fan is located at one end of the air outlet duct near the air outlet of the equipment, the second fan is located at one end of the air inlet duct near the air inlet of the equipment, and the separation device is located in the dehumidification duct.

3. The drying system according to claim 1, characterized in that, A push-pull sealing device is installed in the air duct near the air outlet of the equipment. The push-pull sealing device has a part that can cooperate with the air outlet of the equipment.

4. The drying system according to claim 3, characterized in that, The push-pull sealing device includes a push rod motor arranged on the air duct, and a sealing ring that can cooperate with the air outlet of the equipment is provided on one end of the push rod motor near the air outlet of the equipment.

5. The drying system according to any one of claims 1 to 4, characterized in that, A heating device is also installed in the air duct near the air inlet of the equipment.

6. A dishwasher, characterized in that, The drying system includes any one of claims 1 to 5, wherein the two ends of the air duct are respectively connected to the dishwasher air outlet and the dishwasher air inlet.

7. A drying method, characterized in that, The drying system described in claim 1 is characterized by comprising the following steps: S01. Simultaneously start the first fan, the second fan, and the separation device for the preset duration.

8. The drying method according to claim 7, characterized in that, In step S01, in the first stage, a first preset number of first fans, a second preset number of second fans, and a separation device are simultaneously turned on for a preset duration T1. In the second stage, more than the first preset number of first fans, more than the second preset number of second fans, and separation devices are simultaneously turned on for a preset duration T2.

9. The drying method according to claim 7 or 8, characterized in that, A heating device is also installed in the air duct near the air inlet of the equipment; It also includes step S02, simultaneously turning on the first fan, the second fan, the separation device and the heating device for a preset time T3.

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