CN102563813B

CN102563813B - Air conditioning sterilization device and control method thereof

Info

Publication number: CN102563813B
Application number: CN201210024163.4A
Authority: CN
Inventors: 许行臻; 陈保平
Original assignee: Midea Group Co Ltd
Current assignee: Midea Group Co Ltd
Priority date: 2012-02-04
Filing date: 2012-02-04
Publication date: 2014-01-22
Anticipated expiration: 2032-02-04
Also published as: CN102563813A

Abstract

The invention relates to an air conditioning sterilization device and a control method thereof. The air conditioning sterilization device comprises a support, a synchronous motor, an LED lamp holder, more than two LED lamps and a filter screen. The synchronous motor is mounted on the support, a rotating shaft of the synchronous motor supports the LED lamp holder and drives the LED lamp holder to rotate, the LED lamps are mounted on the LED lamp holder, the filter screen is mounted on the support and positioned above the LED lamp holder, the wavelength of each LED lamp ranges from 200nm to 280nm, and the LED lamps are ultraviolet LED point light sources in the UVC (ultraviolet C radiation) wave band. The control method of the air conditioning sterilization device includes three control steps. The air conditioning sterilization device and the control method have the advantages that various microorganisms are killed efficiently, indoor air can be effectively cleaned, infectious sources of diseases such as influenza and the like which are easy to spread in air can be removed fundamentally, an air flue opening of an air conditioning assembly can be sterilized efficiently, and accordingly air is purified.

Description

Air conditioning sterilization device and control method thereof

Technical field

The present invention relates to a kind of air conditioning sterilization device and control method thereof, is the application of LED deep ultraviolet light source in air conditioning duct system sterilizing.

Background technology

Air-conditioning is one and take that to regulate air quality be to control the device of target, this wherein crucial control parameter be refrigeration, heating capacity, air humidity etc.; In addition, the air cleaning and the bactericidal unit that in air-conditioning system, occur in recent years many different mechanisms of action, for example: electronic dust catcher, photocatalyst, formaldehyde controller, ozone generator etc., they can not efficiently be killed various microorganisms, can not effective cleaning room air, can not fundamentally remove the disease propagation source that influenza etc. is very easily propagated in air.

Up to the present, on hospital, dining room and some home disinfecting kitchen cabinets, use more widely or ultra violet lamp sterilizing.Development along with our national semiconductor technology, wavelength is that the deep ultraviolet UVC light source technology development of 200-280nm scope is rapid, and with it, the feature to the extremely strong destructive power of microorganism is widely used in the fields such as health care, degerming sterilization, environmental monitoring to UVC light source.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art and provide a kind of and can efficiently kill various microorganisms, energy effective cleaning room air, can fundamentally remove the disease propagation source that influenza etc. is very easily propagated in air, it is carried out sterilized to cabinet air-conditioner wind passage mouth, reach object air conditioning sterilization device and the control method thereof of air cleaning.

The technical scheme of air conditioning sterilization device of the present invention is:, a kind of air conditioning sterilization device, it is characterized in that comprising support, synchronous motor, LED lamp socket, two above LED lamp and filter screens, wherein said synchronous motor is rack-mount, the rotating shaft support LED lamp socket of described synchronous motor also drives LED lamp socket to rotate, described LED lamp is arranged on LED lamp socket, described filter screen is rack-mount and be positioned at the top of LED lamp socket, the wavelength of LED lamp is in 200nm-280nm scope, and it is the deep ultraviolet LED spot light of UVC wave band.

Described support comprises that described cross bracing frame is fixed in circular frame with three above fixedly circular frame and the cross bracing frames of ear.

Described LED lamp socket is provided with the mitriform pit of mounted LED lamp, and it is hood-like that described mitriform pit is optically focused, and the opening of mitriform pit is over against filter screen, and the number of mitriform pit is identical with LED lamp number of elements.

Two protective plates that stepper motor are installed at the center of described LED lamp socket and driven by stepper motor; Described protective plate is arranged on LED lamp socket and slidably, has plural circular hole on protective plate, and openings of sizes and the position of the size and location of described circular hole and mitriform pit adapt, and the number of circular hole is identical with the number of mitriform pit.

Described stepper motor is motor for double-ended drive, and the bilateral shaft of stepper motor is connected with change gear case, and the output of change gear case is connected with protective plate and can drives protective plate to slide along LED holder surface.

The control method of air conditioning sterilization device, its step is as follows:

Step 1: after air-conditioning start-up command is assigned, indoor fan time delay 2-4 minute starts, and stepper motor forward turns on protective plate, start that synchronous motor makes the rotation of LED lamp socket, starts LED lamp and moves 2-4 minute, cuts out LED lamp, protective plate is closed in stepper motor reversion, synchronous motor quits work, starts blower fan and normally moves air conditioning function;

Step 2: after air-conditioning shutdown command is assigned, stepper motor forward turns on protective plate, start that synchronous motor makes the rotation of LED lamp socket, starts LED lamp and moves 5-10 minute, cuts out LED lamp, protective plate is closed in stepper motor reversion, synchronous motor quits work;

Step 3: whether after forcing sterilizing instruction issuing, detect air-conditioning draught fan and open, "Yes", disinfection system is not done any response if representing the current sterilising conditions that do not meet; "No" stepper motor forward is turned on protective plate, is started that synchronous motor makes the rotation of LED lamp socket, starts LED lamp and moves 10-20 minute, cuts out LED lamp, protective plate is closed in stepper motor reversion, synchronous motor quits work.

the present invention's advantage is compared with prior art: can efficiently kill various microorganisms, energy effective cleaning room air, can fundamentally remove the disease propagation source that influenza etc. is very easily propagated in air, it be carried out sterilized to cabinet air-conditioner wind passage mouth, make air cleaning.

Accompanying drawing explanation

Fig. 1 is the structural representation of air conditioning sterilization device of the present invention;

Fig. 2 is the top view that removes filter screen in Fig. 1;

Fig. 3 is the flow chart of the control method step 1 of air conditioning sterilization device of the present invention;

Fig. 4 is the flow chart of the control method step 2 of air conditioning sterilization device of the present invention;

Fig. 5 is the flow chart of the control method step 3 of air conditioning sterilization device of the present invention.

The specific embodiment

Below in conjunction with drawings and Examples, the present invention is described in further detail:

As shown in Figure 1, 2, a kind of air conditioning sterilization device, feature of the present invention is to comprise support 1, synchronous motor 2, LED lamp socket 3, two above LED lamp 4 and filter screens 7, has four LED lamps 4 in the present embodiment; Wherein said synchronous motor 2 is arranged on support 1, the rotating shaft support LED lamp socket 3 of described synchronous motor 2 also drives LED lamp socket 3 to rotate, described four LED lamps 4 are arranged on respectively on LED lamp socket 3, described filter screen 7 is arranged on support 1 and is positioned at the top of LED lamp socket 3, the wavelength of LED lamp 4 is in 200nm-280nm scope, and it is the deep ultraviolet LED spot light of UVC wave band.

Described support 1 comprises that circular frame 11 is with four fixedly ears 111 in the present embodiment with three above fixedly circular frame 11 and the cross bracing frames 12 of ear 111, and described cross bracing frame 12 is fixed in circular frame 11.Take common cabinet air-conditioner as example, during installation can by 4 screws by four on support 1 fixedly ear 111 be fixed on air-conditioning air inlet, during use, air-flow is all flowed through after four LED lamps 4 and is entered air conditioning duct system.

In the present embodiment, described LED lamp socket 3 is provided with the mitriform pit 31 of mounted LED lamp 4, it is hood-like that described mitriform pit 31 is optically focused, the opening of mitriform pit 31 is over against filter screen 7, thereby guarantee that the light that LED lamp 4 sends can cover on filter screen 7 completely, the number of mitriform pit 31 is identical with LED lamp 4 numbers of elements.

In the present embodiment, two protective plates 5 that stepper motor 6 are installed at the center of described LED lamp socket 3 and driven by stepper motor 6; Described protective plate 5 is arranged on LED lamp socket 3 and slidably, on protective plate 5, have plural circular hole 51, openings of sizes and the position of the size and location of described circular hole 51 and mitriform pit 31 adapt, and the number of circular hole 51 is identical with the number of mitriform pit 31.Can guarantee that like this LED lamp 4 light when work can pass, during off working state, close the opening of mitriform pit 31, LED lamp 4 is played a protective role.

In the present embodiment, described stepper motor 6 is motor for double-ended drive, and the bilateral shaft of stepper motor 6 is connected with change gear case 61, and the output of change gear case 61 is connected with protective plate 5 and can drives protective plate 5 along LED lamp socket 3 surface slidings.During use; change gear case 61 is converted into rotatablely moving of motor shaft the stretching motion of gearbox output shaft; and drive protective plate 5 along LED lamp socket 3 surface slidings; thereby realize on the circular hole 51 that makes when sterilizing function starts on protective plate 5 and LED lamp socket 3 mitriform pit 31 over against; otherwise mutually stagger, protection LED4 lamp.

During use, when airflow passes filter screen 7, most of particle and microorganism are fettered by filter screen, cannot enter ducting system, when system subject to sterilization starts, protective plate 5 is opened, and flat scanning is done in synchronous motor 2 driving LED lamp socket 3 rotations, expands radiation of light source area, and LED lamp 4 starts transmitting DUV, light radiation, to filter screen 7, is efficiently killed bound bacterium, virus and other microorganisms in filter screen 7.After sterilization process finishes, LED lamp 4 quits work, and protective plate 5 cuts out, and lamp socket 3 stops the rotation.Whole sterilization process can be according to setting-up time work when start-up command, shutdown command and pressure sterilizing instruction issuing.

The control method of this device is as follows:

Step 1: as shown in Figure 3, after air-conditioning start-up command is assigned, indoor fan time delay 2-4 minute starts, and stepper motor 6 forwards turn on protective plate 5, start that synchronous motor 2 makes 3 rotations of LED lamp socket, starts LED lamp 4 and moves 2 minutes, cuts out LED lamp 4, protective plate 5 is closed in stepper motor 6 reversions, synchronous motor 2 quits work, starts blower fan and normally moves air conditioning function.

Step 2: as shown in Figure 4, after air-conditioning shutdown command is assigned, stepper motor 6 forwards turn on protective plate 5, start that synchronous motor 2 makes 3 rotations of LED lamp socket, starts LED lamp 4 and moves 5-10 minute, cuts out LED lamp 4, protective plate 5 is closed in stepper motor 6 reversions, synchronous motor 2 quits work.

Step 3: whether as shown in Figure 5, after forcing sterilizing instruction issuing, detect air-conditioning draught fan and open, "Yes", disinfection system is not done any response if representing the current sterilising conditions that do not meet; "No" stepper motor 6 forwards is turned on protective plate 5, is started that synchronous motor 2 makes 3 rotations of LED lamp socket, starts LED lamp 4 and moves 10-20 minute, cuts out LED lamp 4, protective plate 5 is closed in stepper motor 6 reversions, synchronous motor 2 quits work.

Claims

1. an air conditioning sterilization device, comprise support (1), synchronous motor (2), LED lamp socket (3), two above LED lamp (4) and filter screens (7), wherein said synchronous motor (2) is arranged on support (1), the rotating shaft support LED lamp socket (3) of described synchronous motor (2) also drives LED lamp socket (3) to rotate, described LED lamp (4) is arranged on LED lamp socket (3), described filter screen (7) is arranged on the top that LED lamp socket (3) were gone up and be positioned to support (1), the wavelength of LED lamp (4) is in 200nm-280nm scope, it is the deep ultraviolet LED spot light of UVC wave band, it is characterized in that: described LED lamp socket (3) is provided with the mitriform pit (31) of mounted LED lamp (4), it is hood-like that described mitriform pit (31) is optically focused, the opening of mitriform pit (31) is over against filter screen (7), the number of mitriform pit (31) is identical with LED lamp (4) number of elements, two protective plates (5) that stepper motor (6) are installed at the center of described LED lamp socket (3) and driven by stepper motor (6), it is upper also slidably that described protective plate (5) is arranged on LED lamp socket (3), on protective plate (5), have plural circular hole (51), openings of sizes and the position of the size and location of described circular hole (51) and mitriform pit (31) adapt, and the number of circular hole (51) is identical with the number of mitriform pit (31).

2. according to claim 1 air conditioning sterilization device, it is characterized in that described support (1) comprises that described cross bracing frame (12) is fixed in circular frame (11) with three above fixedly circular frame (11) and the cross bracing frames (12) of ear (111).

3. according to claim 1 air conditioning sterilization device, it is characterized in that described stepper motor (6) is motor for double-ended drive, the bilateral shaft of stepper motor (6) is connected with change gear case (61), and the output of change gear case (61) is connected with protective plate (5) and can drives protective plate (5) along LED lamp socket (3) surface sliding.

4. a control method for air conditioning sterilization device, described air conditioning sterilization device is that its step is as follows according to the air conditioning sterilization device described in any one in claim 1-3:

Step 1: after air-conditioning start-up command is assigned, indoor fan time delay 2-4 minute starts, and stepper motor (6) forward turns on protective plate (5), start that synchronous motor (2) makes LED lamp socket (3) rotation, starts LED lamp (4) and moves 2-4 minute, cuts out LED lamp (4), protective plate (5) is closed in stepper motor (6) reversion, synchronous motor (2) quits work, starts blower fan and normally moves air conditioning function;

Step 2: after air-conditioning shutdown command is assigned, stepper motor (6) forward turns on protective plate (5), start that synchronous motor (2) makes LED lamp socket (3) rotation, starts LED lamp (4) and moves 5-10 minute, cuts out LED lamp (4), protective plate (5) is closed in stepper motor (6) reversion, synchronous motor (2) quits work;

Step 3: whether after forcing sterilizing instruction issuing, detect air-conditioning draught fan and open, "Yes", disinfection system is not done any response if representing the current sterilising conditions that do not meet; "No" stepper motor (6) forward is turned on protective plate (5), is started that synchronous motor (2) makes LED lamp socket (3) rotation, starts LED lamp (4) and moves 10-20 minute, cuts out LED lamp (4), protective plate (5) is closed in stepper motor (6) reversion, synchronous motor (2) quits work.