WO2009012654A1

WO2009012654A1 - Air conditioner capable of automatically cleaning filter net and method for cleaning filter net

Info

Publication number: WO2009012654A1
Application number: PCT/CN2008/001354
Authority: WO
Inventors: Jianghong Zhu; Hui Zhang; Mingsheng Zhong; Hui Huang; Xianyun Meng; Beiquan Liu; Chaoxin Wang
Original assignee: Gree Electric Appliances, Inc. Of Zhuhai
Priority date: 2007-07-23
Filing date: 2008-07-23
Publication date: 2009-01-29
Also published as: CN101354178B; CN101354178A

Abstract

An air conditioner capable of automatically cleaning filter net and a method for cleaning filter net are disclosed. The air conditioner capable of automatically cleaning filter net includes an intake panel (50), a housing, an air passage (180), a control device, a collecting and discharging apparatus for condensate, and an automatic cleaning apparatus for filter net. An air inlet is provided on the intake panel (50), and the filter net (70) is provided inside the air inlet. The automatic cleaning apparatus for filter net includes a filter net drive mechanism, a filter net positioning mechanism, a filter net cleaning reservoir (90) and a filter net washer.

Description

Air conditioner capable of automatically cleaning filter and method for cleaning filter

The present invention relates to the field of air conditioning technology, and in particular, to an air conditioner for automatically cleaning a filter net and a method for cleaning the filter screen, and the air conditioner further has a humidifying function. Background technique

Typically, air conditioners are devices that use air coolers, heaters, or air purifiers to cool, warm, or air the room to make the interior environment of the room more suitable. In such an air conditioner, a ventilating device, an air cooling and heating device, and an air purifier are provided, the ventilating device forcibly circulating air in the room, inhaling indoor air, performing heat exchange, or purifying the air, and then arranging the air after the treatment Go indoors. In the prior art, air conditioners have been continuously improved.

After the air conditioner is used for a long time, the air filter installed at the air inlet will stick a lot of dust, causing the air of the filter to be blocked or unobstructed, affecting the working effect of the air conditioner, and the cooling and heating capacity will be significantly reduced. At present, most air conditioners need to be removed from the filter for manual cleaning after a period of use. For users who are unfamiliar with the structure of the air conditioner and those who are not skilled in manually cleaning the air conditioner, this matter becomes a burden when using air conditioners, or can only be commissioned by professional personnel to assist in operation, or simply ignore long-term use. The rear filter may have a secondary pollution of the air environment and continue to use the air conditioner without cleaning.

In addition, when the air conditioner is in operation, the indoor air is made dry, which makes the user feel uncomfortable. In the prior art, an air conditioner having a humidifying function extracts moisture in the outdoor air, and then converts it into a humid air to be delivered to the room for humidification. With this type of humidification, the effect of humidification is unstable, depending on the humidity of the outdoor air and the efficiency of the moisture absorbing device. If the outdoor air humidity is low in winter, the humidification effect is relatively poor and the power consumption is large. Summary of the invention

The object of the present invention is to provide an air conditioner capable of automatically cleaning a filter net and a method for cleaning the filter net, which not only has the function of automatically cleaning the filter net, but also has a humidifying function, increasing the humidity of the indoor air during the operation of the air conditioner, and improving the environment. Comfort; The invention uses some ingenious mechanisms to automate the cleaning of the filter.

The present invention is achieved by the following technical solutions: The air conditioner capable of automatically cleaning the filter comprises an air inlet panel, a body, a air duct, a control device, and a condensate collecting and discharging device. The air inlet panel is provided with an air inlet, and the inner side of the air inlet is provided with a blocking air inlet. The filter network is a filter network having a synchronous belt structure, and the air conditioner further includes: a filter automatic cleaning device; the filter automatic cleaning device includes: a filter drive mechanism, and a filter a net positioning mechanism, a filter cleaning sink, and a filter scrubbing device; driven by the filter driving mechanism, the filter positioning mechanism guides the filter to dynamically pass through the filter to clean the bottom of the sink and soak in the water contained in the washing tank. The filter scrubber is in dynamic contact with the filter that has passed through the bottom of the filter wash tank and soaked in the water contained in the wash tank.

The air conditioner capable of automatically cleaning the filter, further comprising: a humidifying device; the humidifying device comprising: a humidifying water tank, an ultrasonic atomizing device located in the humidifying water tank, and a float water level switch located at a bottom of the humidifying water tank; The humidification water tank further includes a water inlet and an outlet, the water inlet is connected to an external tap water pipe, and the water outlet is connected with the filter cleaning water tank of the automatic cleaning device of the filter; the atomized water of the ultrasonic atomizing device The outlet is connected to the air duct of the air conditioner.

The filter driving mechanism of the automatic cleaning device of the filter network comprises: a transmission wheel and a motor; the filter positioning mechanism is a plurality of sets of roller assemblies; and the filter cleaning device is a cleaning hair that is in dynamic contact with the filter mesh. a water level sensor is also installed in the filter cleaning water tank of the filter automatic cleaning device; the water outlet at the lower portion of the humidification water tank is further provided with a water adding valve, and a drain valve is arranged at the outlet of the filter cleaning water tank. A drain pipe is installed below the drain valve to communicate with the condensate collecting and discharging device of the air conditioner.

The air conditioner is a cabinet type air conditioner, and the air inlet of the cabinet type air conditioner is disposed on two sides of the air inlet panel; the air duct includes an inner cavity having a spiral curved surface and an air outlet exiting upward The humidifying device is located in an outer space region between the wind tunnel spiral curved surface and the air duct outlet, and the atomizing water outlet of the ultrasonic atomizing device is in communication with the air duct outlet.

A method of cleaning a filter, wherein the following automatic steps are included:

Step 1: The filter cleaning operation starts;

Step 2: Inject a certain volume of water into the humidification tank;

Step 3: Add a water valve to open, and inject water into the filter to clean the sink;

Step 4: When the water level sensor detects that the water level reaches a certain height, the water level sensor transmits a water full signal to the control device, and the control device closes the water adding valve;

Step 5: The motor starts, the motor drives the transmission wheel to rotate, and the transmission wheel drives the filter to wind around the roller assembly. Moving, the filter moves around the set of roller assemblies along a closed trajectory;

Step 6: The filter is immersed in the cleaning tank and the cleaning brush is fixed in the water tank. The cleaning brush rubs against the moving filter to clear the filter.

Step 7: After the filter is cleaned for a certain period of time, the motor stops rotating;

Step 8: The motor stops rotating, and the drain valve opens.

Step 9: discharging the waste water in the washing tank through the drain pipe;

Step 10: The filter cleaning operation ends.

In summary, the present invention has the following beneficial effects: The air conditioner of the invention capable of automatically cleaning the filter net has a simple structure, and the application of the more mature ultrasonic atomization principle realizes water humidification, and the humidification speed is fast, and the effect is obvious. When the humidification function is required, a certain volume of water is added to the humidification tank, and the water is converted into a very small mist by an ultrasonic atomizing device installed at the bottom of the humidification tank, and the humidification tank is connected with the air passage, and the flowing air will be water mist. Blowing to the air outlet, and then to the air. The lower part of the humidification tank is equipped with a water adding valve. When the filter needs to be cleaned, the water adding valve is opened, and the water is injected into the filter cleaning tank. When the water level sensor detects that the water level reaches a certain height, the water adding valve is closed, the motor starts, and the motor drives the driving wheel to rotate. The driving wheel drives the filter to move around the roller assembly, and the filter mesh is immersed in the cleaning water tank to contact with the cleaning brush fixed in the water tank, and the brush and the moving filter mesh are rubbed to clear the filter net to adhere dust, the filter net After cleaning for a certain period of time, the motor stops rotating, and the drain valve opens to drain the water from the washing tank. Cleaning the filter device to automate the cleaning of the filter net eliminates the trouble of regular manual cleaning and makes the maintenance of the air conditioner more convenient. The integration of the humidification function and the automatic cleaning filter function makes the realization cost lower and is conducive to market competition. DRAWINGS

1 is a schematic structural view of a humidifying device of an air conditioner capable of automatically cleaning a filter screen according to the present invention;

2 is a schematic structural view of a filter cleaning device of an air conditioner capable of automatically cleaning a filter according to the present invention; FIG. 3a is a schematic view of a filter drive mechanism of an air conditioner capable of automatically cleaning the filter of the present invention; FIG. Schematic diagram of the filter network of the air conditioner that can automatically clean the filter;

Figure 3c is a schematic view showing the connection relationship between the filter net and the filter drive mechanism of the air conditioner capable of automatically cleaning the filter of the present invention;

4 is a schematic structural view of an air conditioner roller assembly capable of automatically cleaning a filter screen according to the present invention;

5 is a schematic structural view of an air conditioner water tank water adding and draining device capable of automatically cleaning a filter net according to the present invention; 6 is a schematic view showing the installation position of the humidifying device of the air conditioner capable of automatically cleaning the filter according to the present invention; FIG. 7 is a schematic perspective view showing the installation of the humidifying device and the filter cleaning device of the air conditioner capable of automatically cleaning the filter according to the present invention;

Fig. 8 is a perspective view showing the installation of the air conditioner filter of the automatic cleaning filter of the present invention; Fig. 9 is a schematic view showing the positional relationship between the humidifying device, the filter cleaning device and the filter screen of the air conditioner capable of automatically cleaning the filter of the present invention. detailed description

Please refer to Figure 1, Figure 2, Figure 5, Figure 6, Figure 7, Figure 8, Figure 9. Air conditioner that can automatically clean the filter, including air inlet panel 50, airframe, air duct 180, control device and condensate a collecting and discharging device, the air inlet panel 50 is provided with an air inlet, and the inner side of the air inlet is provided with a filter net 70 for blocking the air inlet; wherein the filter network 70 is a filter network having a synchronous belt structure, The air conditioner further includes: a filter automatic cleaning device; the filter automatic cleaning device comprises: a filter driving mechanism, a filter positioning mechanism, a filter cleaning sink, and a filter cleaning device; driven by the filter driving mechanism The filter positioning mechanism guides the filter 70 to dynamically pass through the bottom of the filter cleaning tank and soaks in the water contained in the washing tank. The filter washing device cleans the bottom of the sink through the filter and soaks in the water contained in the washing tank. The filter 70 is in dynamic contact.

The air conditioner capable of automatically cleaning the filter, further comprising: a humidifying device; the humidifying device comprising: a humidifying water tank 10, an ultrasonic atomizing device 20 located in the humidifying water tank 10, and a float water level at the bottom of the humidifying water tank 10. The humidification water tank 10 further includes a water inlet and a water outlet, the water inlet is connected to an external water pipe, and the water outlet is connected to the filter cleaning water tank 90 of the automatic cleaning device of the filter; The atomizing water outlet of the atomizing device 20 is in communication with the air conditioner duct.

The lower portion of the humidifying device is further provided with a humidifier circuit board 30, and the humidifier circuit board 30 is electrically connected to the air conditioner control device; the filter cleaning water tank 90 is located below the humidifying water tank 10.

As shown in FIG. 2, FIG. 3a, FIG. 3b, FIG. 3c, FIG. 4, FIG. 5 and FIG. 6, the filter driving mechanism of the automatic filter cleaning device comprises: a transmission wheel 1 10 and a motor 60, and the motor 60 is fixed at The filter screen positioning mechanism is a plurality of sets of roller assemblies 100; the filter net scrubbing device is a cleaning brush 80 that is in dynamic contact with the filter net; A water level sensor is also installed in the filter cleaning water tank 90. The water outlet located at the lower portion of the humidification water tank 10 is further provided with a water adding valve 0, and the filter net is clear. A drain valve 150 is provided at the outlet of the washing tub 90, and a drain pipe 160 is installed below the drain valve 150 to communicate with the condensate collecting and discharging device of the air conditioner.

The air conditioner is a repellent air conditioner, and the air inlet of the repellent air conditioner is disposed on two sides of the air inlet panel 50; the air duct 180 includes an inner cavity 181 having a spiral curved surface and an opening upward. The air duct outlet 182; the humidifying device is located in an outer space region between the air channel spiral curved surface 181 and the air duct outlet 182, and the atomizing water outlet 170 of the ultrasonic atomizing device is in communication with the air duct outlet 182.

As shown in FIG. 2 and FIG. 9, the filter cleaning water tank 90 is located between the air inlets on both sides of the air inlet panel 50, and is fixed on the air inlet panel 50. The transmission wheel 110 and the motor 60 are fixed at the lower end of the air inlet panel 50. A total of eight sets of roller assemblies 100 are provided, that is, a roller assembly 101 located at another lower end corner of the inlet panel 50 different from the transmission wheel 110, and roller assemblies at the upper end corners of the inlet panel 50 102, 103, two sets of roller assemblies 104, 107 located above the filter cleaning water tank 90, two sets of roller assemblies 105, 106 located at the bottom of the filter cleaning water tank 90 and in the same horizontal position as the roller assembly 107 and located in the roller assembly 102 The lower roller assembly 108; the filter 70 bypasses the eight sets of roller assemblies and the drive wheel 110 assumes a closed belt shape.

As shown in FIG. 3a and FIG. 3c, the transmission wheel 110 is fixed on the output shaft of the motor 60, and the filter net 70 bypasses the transmission wheel 110 from below; the transmission wheel 110 has a cylindrical gear shape, and the filter net 70 and the transmission wheel 110 On the contact surface, a T-shaped rack 701 that meshes with the transmission wheel 110 is disposed.

As shown in FIG. 4 , each set of roller assemblies includes: a metal stepped shaft 130 fixed to the air inlet panel 50 , a center line of the metal stepped shaft 130 perpendicular to a mounting surface of the inlet wind panel 50 , the metal A bearing 120 is disposed at the stepped surface of the step shaft 130. The roller 190 is sleeved on the outer circumference of the metal stepped shaft 130 and the bearing 120, and the roller 190 is fixed on the outer ring of the bearing 120.

As shown in Fig. 3b, the timing belt having a T-shaped tooth (701), the outer contour of the contact surface of the filter (70) and the transmission wheel (110) and the filter mesh of the filter (70) ( 702) Connected as one.

Step 1: The filter cleaning operation starts;

Step 2: Add a certain volume of water to the humidification tank;

Step 4: When the water level sensor detects that the water level reaches a certain height, the water level sensor transmits a water full signal to the control device, and the control device closes the water adding valve; Step 5: The motor starts, the motor drives the transmission wheel to rotate, the transmission wheel drives the filter to move around the roller assembly at a uniform speed, and the filter net moves around the group of roller assemblies along the closed track;

Step 6: The filter is immersed in the cleaning tank and the cleaning brush is fixed in the water tank. The cleaning brush rubs against the moving filter to clear the dust on the filter net.

Step 8: The motor stops rotating, and the drain valve opens.

Step 9: discharging the waste water in the washing tank through the drain pipe;

Step 10: The filter cleaning operation ends. The method for cleaning a filter further includes the following humidifying operation steps:

Step 1: The humidification operation begins;

Step 2: Add a certain volume of water to the humidification tank;

Step 3: The air conditioner controller turns on the humidification function

Step 4: The float water level switch detects and controls the capacity of the water inlet; if the water volume of the humidification water tank meets the requirements, proceed to step 5; if the water in the humidification water tank runs out, the float water level switch is disconnected, and proceeds to step 7;

Step 5: The vibrating piece mounted on the ultrasonic atomizing device at the bottom of the humidifying water tank vibrates at a high frequency to convert the water into a very small misty water vapor;

Step 6: The humidifying water tank is connected with the air duct, and the fan system in the air duct is opened, and the flowing air blows the water mist to the air outlet, and then is emitted into the air;

Step 7: The humidification operation ends.

The air conditioner achieves the purpose of rapidly increasing the humidity of the indoor air by humidifying water, thereby improving the comfort of the indoor environment. The transmission mechanism is used to automatically clean the filter, which is convenient for the user to maintain the air conditioner and improve the performance of the air conditioner.

Claims

Rights request

1. An air conditioner capable of automatically cleaning a filter, comprising an air inlet panel (50), a body, a duct (180), a control device, and a condensate collecting and discharging device, wherein the air inlet panel (50) is provided with an air inlet The inside of the air inlet is provided with a filter (70) for blocking the air inlet, wherein: the filter (70) is a filter with a synchronous belt structure, and the air conditioner further includes: The cleaning device comprises: a filter driving mechanism, a filter positioning mechanism, a filter cleaning sink and a filter cleaning device; and the filter positioning mechanism guides the filtering under the driving of the filter driving mechanism The net (70) dynamically cleans the bottom of the sink through the filter and soaks it in the water contained in the washing tank, and the filter washing device and the filter (70) which is immersed in the water in the washing tank through the filter cleaning the bottom of the sink and dynamically contact.

2. The air conditioner capable of automatically cleaning a filter according to claim 1, wherein: the air conditioner capable of automatically cleaning the filter net further comprises: a humidifying device; wherein the humidifying device comprises: a humidifying water tank (10) An ultrasonic atomizing device (20) located in the humidifying water tank (10) and a float water level switch (40) located at the bottom of the humidifying water tank (10); the humidifying water tank (10) further including a water inlet and a water outlet The water inlet is connected to an external tap water pipe, and the water outlet is connected to a filter cleaning water tank (90) of the filter automatic cleaning device; the atomizing water outlet of the ultrasonic atomizing device (20) and the air conditioner The air duct is connected.

The air conditioner capable of automatically cleaning the filter according to claim 2, wherein: the humidifier is further equipped with a humidifier circuit board (30), the humidifier circuit board (30) and the air conditioner. The control unit is electrically connected; the filter cleaning sink (90) is located below the humidification tank (10).

4. The air conditioner capable of automatically cleaning a filter according to claim 2, wherein: the filter driving mechanism of the automatic cleaning device of the filter comprises: a transmission wheel (110) and a motor (60), and a motor (60) Is fixed on the inlet panel (50); the filter positioning mechanism is a plurality of sets of roller assemblies (100); the filter cleaning device is a cleaning brush (80) in dynamic contact with the filter; A water level sensor is further installed in the filter cleaning water tank (90) of the automatic filter cleaning device; the water outlet located at a lower portion of the humidification water tank (10) is further provided with a water adding valve (140), and the filter cleaning water tank ( The outlet of the 90) is provided with a drain valve (150), and a drain pipe (160) is installed below the drain valve (150) to communicate with the condensate collecting and discharging device of the air conditioner.

The air conditioner capable of automatically cleaning the filter according to any one of claims 2 to 4, wherein: the air conditioner is a cabinet type air conditioner, and the air inlet of the refusal type air conditioner is set On both sides of the inlet panel (50); the air duct (180) includes an inner cavity (181) having a spiral curved surface and an air outlet outlet (182) having an upward opening; The humidifying device is located in an outer space region between the airfoil spiral curved surface (181) and the air duct outlet (182), and the atomizing water outlet (170) and the air duct outlet (182) of the ultrasonic atomizing device Connected.

The air conditioner capable of automatically cleaning the filter according to claim 5, wherein: the filter cleaning water tank (90) is located between the air inlets on both sides of the air inlet panel (50), and is fixed in the air inlet. On the panel ( 50 ); the drive wheel (110) and the motor (60) are fixed at the lower end corner of the inlet panel (50); a total of 8 sets of roller assemblies (100) are provided, namely: located on the inlet panel (50) A roller assembly (101) at another lower end corner different from the transmission wheel (110), roller assemblies (102), (103) located at both upper corners of the inlet panel (50), located in the filter cleaning sink ( 90) The upper two sets of roller assemblies (104), (107), the two sets of roller assemblies (105), (106) located at the bottom of the filter cleaning sink (90) and at the same level as the roller assembly (107) A roller assembly (108) on the lower side of the roller assembly (102); the filter (70) bypasses the eight sets of roller assemblies and the drive wheel (110) is in the shape of a closed belt.

7. The air conditioner capable of automatically cleaning a filter according to claim 5, wherein: the transmission wheel (110) is fixed on an output shaft of the motor (60), and the filter net (70) bypasses the transmission from below. The wheel (110); the transmission wheel (110) has a cylindrical gear shape, and the timing surface of the filter net (70) and the transmission wheel (110) is provided with a synchronous belt T-shaped rack that meshes with the transmission wheel (110). (701).

The air conditioner of the automatic cleaning filter according to claim 5, wherein: each set of roller assemblies comprises: a metal stepped shaft (130) fixed to the air inlet panel (50), The center line of the metal stepped shaft (130) is perpendicular to the mounting surface of the inlet panel (50), and the bearing (120) is disposed at the stepped surface of the metal stepped shaft (130), and the roller (190) is sleeved on the metal On the outer circumference of the step shaft (130) and the bearing (120), the roller (190) is fixed to the outer ring of the bearing (120).

The air conditioner capable of automatically cleaning a filter according to claim 7, wherein: the timing belt having the T-shaped rack (701) is in contact with the transmission wheel (110) along the filter screen (70). The outer contour of the face is integrated with the filter mesh (702) of the filter (70).

10. A method of cleaning a filter using an air conditioner capable of automatically cleaning a filter according to claim 5, wherein the automatic operation steps are as follows:

Step 1: The filter cleaning operation starts;

Step 2: Add a certain volume of water to the humidification tank;

Step 4: When the water level sensor detects that the water level reaches a certain height, the water level sensor transmits the water full signal to a control device that closes the watering valve;

Step 5: The motor starts, the motor drives the transmission wheel to rotate, the transmission wheel drives the filter to move around the roller assembly at a constant speed, and the filter mesh moves along the closed track around each group of roller assemblies;

Step 8: The motor stops rotating, and the drain valve opens.

Step 9: discharging the waste water in the washing tank through the drain pipe;

Step 10: The filter cleaning operation ends.

11. The method of cleaning a filter according to claim 10, further comprising the following humidifying operation steps:

Step 1: The humidification operation begins;

Step 2: Add a certain volume of water to the humidification tank;

Step 3: The air conditioner controller turns on the humidification function

Step 7: The humidification operation ends.