CN111648980A - Internal disinfection fan and fan with disinfection function - Google Patents

Abstract

The invention discloses an internal sterilization fan, which comprises a casing, a motor and an impeller. The casing is provided with an air inlet and an air outlet, the impeller is arranged in the casing, and a sterilizing component is integrated in the casing. The sterilizing component includes Ultraviolet lamp and at least one layer of photocatalyst net, the photocatalyst net is arranged on the periphery of the impeller and close to the impeller, or directly on the surface of the blade of the impeller, and the ultraviolet lamp is arranged in the casing. The internal integrated disinfection structure of the above-mentioned internal disinfection type fan has the disinfection function itself, and the air intake is smooth. The invention also discloses a fan with disinfection function, which comprises a fan casing and an inner disinfection type fan, the fan casing is provided with an air outlet and a blower outlet, an air guide channel is arranged in the fan casing, and the inner disinfection type fan is installed At the air outlet, the air guide duct connects the air outlet and the air outlet of the inner disinfection fan. The aforementioned fans provide smooth air flow during use.

Description

Internal disinfection fan and fan with disinfection function

technical field

The invention relates to an internal disinfection type fan, and also relates to a fan for disinfection and sterilization by using the above-mentioned internal disinfection type fan.

Background technique

The fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Fans are widely used in buildings, factories and other spaces to achieve ventilation and cooling. For example, vertical fans in households use fans to promote gas flow, and fans are also used in factory ventilation systems to promote gas flow.

With the improvement of living standards, people's requirements for environmental hygiene are getting higher and higher. In order to disinfect and sterilize the environment, they will choose to buy another air sterilizer, and purchasing another air sterilizer will undoubtedly increase the cost and increase the occupation. land area.

In order to sterilize the air without purchasing an air sterilizer, there are sterilization and sterilization devices that can be installed in fans, ventilation systems, etc. The gas-liquid disinfection and sterilization device achieves the ideal sterilization and disinfection effect.

However, in existing equipment, a sterilizing and sterilizing device is directly added to the passage where the gas flows, and the structure of adding a sterilizing and sterilizing device directly on the passage will produce obvious resistance to the flow of air.

SUMMARY OF THE INVENTION

The first technical problem to be solved by the present invention is to provide an internal sterilization fan, which has an integrated sterilization structure inside, and has a sterilization function by itself, and the air intake is smooth.

The second technical problem to be solved by the present invention is to provide a fan with a sterilizing function, which has smooth air flow during use.

To solve the above-mentioned first technical problem, the technical scheme adopted in the present invention is as follows:

An internal sterilization fan, which includes a casing, a motor and an impeller, the casing is provided with an air inlet and an air outlet, and the impeller is arranged in the casing, and is characterized in that: a disinfection assembly is integrated in the casing, and the disinfection assembly includes Ultraviolet lamp and at least one layer of photocatalyst net, the photocatalyst net is arranged on the periphery of the impeller and close to the impeller, or directly on the surface of the blade of the impeller, the ultraviolet lamp is arranged in the casing, and the ultraviolet light emitted by the ultraviolet lamp is irradiated on the photocatalyst net.

Further, the photocatalyst meshes are arranged on the periphery of the impeller one by one layer by layer, and gaps are arranged between the photocatalyst meshes.

Further, the ultraviolet lamp includes an outer ultraviolet lamp, and the outer ultraviolet lamp is located in the middle of the impeller.

Further, the ultraviolet lamp includes an inner ultraviolet lamp, and the inner ultraviolet lamp is arranged on the inner wall of the casing.

Further, the ultraviolet lamp is a UVC ultraviolet lamp.

Further, a photocatalyst net is also provided in the casing near the air outlet.

To solve the above-mentioned second technical problem, the technical scheme adopted in the present invention is as follows:

A fan with disinfection function is characterized in that it comprises a fan casing and the above-mentioned internal disinfection type fan, the fan casing is provided with an air outlet and an air outlet, an air guide channel is arranged in the fan casing, and the internal disinfection type fan is installed At the air outlet, the inner sterilizing fan draws air from the air outlet, and the air guide duct connects the air outlet and the air outlet of the inner sterilizing fan.

Further, the fan also includes a disinfection and sterilization device, the disinfection and sterilization device is installed in the fan casing, the fan casing is provided with a branch air inlet corresponding to the air inlet end of the disinfection and sterilization device, and the air outlet end of the disinfection and sterilization device extends to the casing. At the air inlet, a part of the air drawn by the internal disinfection fan will flow through the disinfection and sterilization device during use.

Further, the disinfection and sterilization device is a combined labyrinth gas-liquid disinfection and sterilization device.

Compared with the prior art, the present invention has the following beneficial effects:

1. The fan of the present invention is directly integrated with a disinfection component in the casing, so that the fan itself has a disinfection function and can be directly used in other equipment, thereby simplifying the structure of other equipment, and the disinfection component and the fan become an integral part. After the parts are assembled, they can be better designed and assembled on other equipment, and have a wide range of applications.

2. In the disinfection assembly of the present invention, the photocatalyst net is arranged on the periphery of the impeller and close to the impeller, and the photocatalyst net is irradiated by an ultraviolet lamp to produce a sterilization and disinfection effect. The photocatalyst net does not produce too much resistance to the air, so its air intake is smooth.

3. The fan of the present invention uses the above-mentioned internal sterilizing fan, which has a sterilizing function and has smooth air intake.

4. The fan of the present invention can also be provided with a sterilization and sterilization device in the form of branch air intake. During use, under the action of the negative pressure formed by the fan exhaust, a part of the air will always pass through the sterilization and sterilization device for efficient sterilization and disinfection. Circulation can purify and disinfect indoor air better and faster. Since the disinfection and sterilization device is arranged in the form of a branch, the resistance of the disinfection and sterilization device to the airflow during use is very small.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the internal disinfection type blower of the first embodiment of the present invention;

Fig. 2 is the explosion schematic diagram of the inner disinfection type blower of the first embodiment of the present invention;

3 is a partial cross-sectional schematic diagram of the internal sterilizing fan according to the first embodiment of the present invention;

Fig. 4 is the cross-sectional schematic diagram of the photocatalyst net of the inner disinfection type blower of the embodiment one of the present invention;

5 is a perspective schematic view of the fan according to Embodiment 1 of the present invention;

FIG. 6 is a schematic perspective view of the fan according to the second embodiment of the present invention.

Fig. 7 is the three-dimensional schematic diagram of the internal disinfection type blower of the third embodiment of the present invention;

Fig. 8 is the three-dimensional schematic diagram of the internal disinfection type blower of the fourth embodiment of the present invention;

Fig. 9 is the installation structure schematic diagram of the photocatalyst net on the blade of the inner disinfection type blower of the fourth embodiment of the present invention;

FIG. 10 is a schematic perspective view of the internal sterilizing fan according to the fourth embodiment of the present invention.

The meaning of the reference symbols in the figure:

1- Internal disinfection fan; 11- Chassis; 111- Air outlet; 112- Air inlet; 113- Fixing rib; 12- Motor; 13- Inner UV lamp; 14- Impeller; 141- Blade; 15- Photocatalyst net; 151-outer pipe part; 152-inner pipe part; 153-upper connecting part; 154-impeller installation space; 155-flange; 16-outside UV lamp; 17-avoidance space; 2-fan housing; ; 22- air guide duct; 23- air outlet; 24- branch air inlet; 3- combined labyrinth gas-liquid disinfection and sterilization device; 4- air duct.

Detailed ways

The present invention will be further described below in conjunction with the examples.

Example 1:

As shown in FIGS. 1 to 3 , the internal sterilizing fan 1 of the first embodiment is a centrifugal fan, which includes a casing 11 , a motor 12 and an impeller 14 .

The casing 11 is provided with an air inlet 112 and an air outlet 111 , the air inlet 112 is located on the front of the casing 11 , the air outlet 111 is located at the upper end of the casing 11 , the impeller 14 is installed in the casing 11 , and the motor 12 is installed in the casing 11 On the back of the motor 12, the output shaft of the motor 12 is connected with the impeller 14. In order to enable the fan itself to have a sterilizing function, in this embodiment, a sterilizing component is integrated in the casing 11 .

Wherein, the disinfection component includes an ultraviolet lamp and two layers of photocatalyst nets 15, and the number of layers of the photocatalyst nets 15 and the number of ultraviolet lamps can be determined according to the needs of disinfection. As shown in FIG. 4 , the photocatalyst mesh 15 of this embodiment includes an inner tube part 151 , an outer tube part 152 and an upper connecting part 153 , an impeller installation space 154 is provided between the inner tube part 152 and the outer tube part 151 , and the photocatalyst mesh 15 Inverted on the impeller 14, the impeller 14 is located in the impeller installation space 154, the bottom of the photocatalyst net 15 is provided with a flange 155, and the flange 155 is fixed on the inner wall of the casing 11 by bolts, so that the photocatalyst net 15 is arranged on the impeller 14. and the photocatalyst mesh 15 completely covers the impeller 14, the two layers of photocatalyst meshes 15 are superimposed layer by layer, and there is a gap between the photocatalyst meshes 15. An escape space 17 for avoiding interference between the photocatalyst mesh 15 and the impeller 14 is provided between the photocatalyst mesh 15 and the impeller 14 .

The ultraviolet lamp of this embodiment includes an outer ultraviolet lamp 16 and an inner ultraviolet lamp 13 . The outer ultraviolet lamp 16 is located in the middle of the impeller 14 and is fixedly installed by the three fixing ribs 113 connected with the casing 11 . This embodiment includes two inner ultraviolet lamps 13, which are fixed on the inner walls of the upper and lower sides of the casing 11, and can fully irradiate the inner photocatalyst net 15.

The ultraviolet rays emitted by the outer ultraviolet lamp 16 and the inner ultraviolet lamp 13 are all irradiated on the photocatalyst net 15, and the inner and outer photocatalyst nets 15 can be better irradiated by the inner ultraviolet lamp 13 and the outer ultraviolet lamp 16, so that the photocatalyst net 15 can be irradiated. more adequate disinfection.

Under the action of ultraviolet light and visible light, the photocatalyst on the photocatalyst net 15 can produce a strong catalytic degradation function, can effectively degrade toxic and harmful gases in the air, can effectively kill a variety of bacteria, and can decompose the toxins released by bacteria or fungi. And harmless treatment, but also has the functions of removing formaldehyde, deodorizing, anti-fouling, and purifying the air.

The photocatalyst net 15 in this embodiment is a titanium dioxide photocatalyst net, and the ultraviolet lamps 13 and 16 are UVC ultraviolet lamps, which emit ultraviolet rays with a wavelength of 254 nm. of disinfection.

As shown in FIG. 5 , the fan with sterilization function according to the first embodiment includes a fan casing 2 and the above-mentioned internal sterilization fan 1 .

The fan housing 2 is vertical, the bottom side of the fan housing 2 is provided with an air outlet 21, and a protective mesh cover is provided at the air outlet 21, the front of the fan housing 2 is provided with an air outlet 23, and the inside of the fan housing 2 is provided. There is a vertical air guide 22, the inner disinfection type fan 1 is installed at the air outlet 21, and is located at the bottom of the fan housing 2, the air inlet 112 of the inner disinfection type fan 1 corresponds to the air outlet 21, and the inner disinfection type fan 1 from the The air outlet 21 draws air, the air guide duct 22 is connected to the air outlet 111 of the inner disinfection fan 1 , and the air outlet 23 is communicated with the air guide duct 22 . Of course, the fan is also provided with a conventional controller 3 and a control switch arranged on the controller for controlling and regulating the fan. The controller 3 is electrically connected with the fan, and the fan is controlled by the controller 3 .

When in use, turn on the inner sterilizing fan 1, the motor 12 and the ultraviolet lamps 13, 16 are energized, and the inner sterilizing fan 1 sucks the outside air from the air outlet 21, and the sucked air enters the impeller 14 and flows out of the impeller 14. All will be sterilized by the photocatalyst net 15, and the sterilized air is blown out from the air outlet 111 at the upper end, blown into the air guide 22, and finally blown out from the air outlet 23 under the guidance of the air guide 22. Thus, the air can be kept sterilized and purified while blowing and cooling down.

Embodiment 2:

The difference between the fan with the disinfection function of the second embodiment and the first embodiment is that a disinfection and sterilization device is added in the form of a branch circuit. .

As shown in FIG. 6 , the disinfection and sterilization device is installed in the fan casing 2, above the internal disinfection type fan 1, and a branch air inlet 24 is provided on the fan casing 2 corresponding to the air inlet end of the disinfection and sterilization device, for disinfection and sterilization. The air outlet end of the device is provided with an air duct 4, and the air duct 4 extends into the air inlet 112 of the casing. The inlet of the combined labyrinth type gas-liquid disinfection and sterilization device 3 is the air inlet end, and the outlet is the air outlet end.

During use, the internal disinfection fan 1 is turned on, and under the action of the negative pressure generated by the fan exhaust, part of the outside air will enter from the exhaust port 21, and a part will enter from the branch air inlet 24, and enter from the branch air inlet 24. The air will flow through the combined labyrinth type gas-liquid disinfection and sterilization device 3 for efficient disinfection, all the incoming air will finally flow through the impeller, and after being sterilized by the disinfection component, it will be blown into the air guide duct 22 and blown out from the air outlet 23.

In the process of continuous air circulation, there will always be a part of the combined labyrinth-type gas-liquid disinfection and sterilization device 3 for efficient disinfection and sterilization, which not only does not produce resistance to the airflow, but also achieves rapid and efficient disinfection and sterilization of indoor air. .

Embodiment three:

The difference between the internal disinfection type fan 1 of the third embodiment and the first embodiment lies in the photocatalyst net 15. As shown in FIG. 7 , in the third embodiment, a photocatalyst net 15 is also provided in the casing 11 near the air outlet 111, so that the air Perform more adequate disinfection and sterilization.

Embodiment 4:

The difference between the internal disinfection type fan 1 of the fourth embodiment and the first embodiment is the installation structure of the photocatalyst net. As shown in Figures 8 and 9, the photocatalyst net 15 of the fourth embodiment is directly arranged on the surface of the blade 141 of the impeller 14, The surface of the blade 141 of each impeller 14 is provided with a photocatalyst mesh 15 , and the photocatalyst mesh 15 can be fixed on the surface of the blade 141 by means of bonding.

Embodiment 5:

As shown in Figure 10, the internal disinfection type blower 1 of the fifth embodiment is a blower with a direct blowing structure, and its photocatalyst net 15 is directly arranged on the surface of the blade 141 of the impeller 14, and the two sides of the inner side of the casing 11 are respectively provided with ultraviolet rays lamp.

The above-mentioned embodiments of the present invention are not intended to limit the scope of protection of the present invention, and the embodiments of the present invention are not limited thereto. According to the above-mentioned contents of the present invention, according to common technical knowledge and conventional means in the field, without departing from the present invention Under the premise of the above basic technical idea, other various modifications, replacements or changes made to the above structure of the present invention should all fall within the protection scope of the present invention.

Claims (9)

1. an inner sterilizing fan, it comprises a casing, a motor and an impeller, the casing is provided with an air inlet and an air outlet, and the impeller is arranged in the casing, it is characterized in that: in the casing A sterilization assembly is integrated in the shell, and the sterilization assembly includes an ultraviolet lamp and at least one layer of photocatalyst net, and the photocatalyst net is arranged on the periphery of the impeller and close to the impeller, or directly on the surface of the blade of the impeller, The ultraviolet lamp is arranged in the casing, and the ultraviolet rays emitted by the ultraviolet lamp are irradiated on the photocatalyst net. 2 . The internal sterilizing fan according to claim 1 , wherein the photocatalyst nets are arranged on the periphery of the impeller one by one layer by layer, and there are gaps between the photocatalyst nets. 3 . 3 . The internal sterilizing fan according to claim 1 , wherein the ultraviolet lamp comprises an outer ultraviolet lamp, and the outer ultraviolet lamp is located in the middle of the impeller. 4 . 4 . The internal sterilizing fan according to claim 1 , wherein the ultraviolet lamp comprises an inner ultraviolet lamp, and the inner ultraviolet lamp is arranged on the inner wall of the casing. 5 . 5. The inner sterilizing fan according to claim 1, wherein the ultraviolet lamp is a UVC ultraviolet lamp. 6 . The internal disinfection fan according to claim 1 , wherein the photocatalyst net is also provided in the casing near the air outlet. 7 . 7. A fan with disinfection function, characterized in that it comprises a fan casing and the internal disinfection type fan according to any one of claims 1 to 6, the fan casing is provided with an air outlet and an air outlet, so The fan casing is provided with an air guide duct, the inner sterilizing fan is installed at the air outlet, the inner sterilizing fan draws air from the air outlet, and the air guide duct is connected to the inner sterilizing fan. an air outlet and the blower outlet. 8 . The fan with sterilization function according to claim 7 , wherein the fan further comprises a sterilization and sterilization device, and the sterilization and sterilization device is installed in the fan casing, and the fan casing corresponds to the The air inlet end of the disinfection and sterilization device is provided with a branch air inlet, and the air outlet end of the disinfection and sterilization device extends to the air inlet of the casing. During use, the air drawn by the internal disinfection fan will contain A part flows through the disinfection and sterilization device. 9 . The fan with disinfection function according to claim 8 , wherein the disinfection and sterilization device is a combined labyrinth gas-liquid disinfection and sterilization device. 10 .

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