CN209371401U - A kind of sterilization air duct and air steriliser - Google Patents

Abstract

The utility model relates to a kind of sterilization air duct and air sterilisers, which includes: air inlet, long air duct, air outlet, and reflux boost section；The air inlet carries out first time sterilization for receiving the air for needing to sterilize, and to air；The long air duct, one end are connected to air inlet, and the other end is connected to air outlet and reflux boost section；The air outlet, positioned at the end in sterilization air duct, for directly filtered gas to be discharged；Flow back boost section, and one end is connected to long air duct and air outlet, and the other end is connected to air inlet, for that will be transmitted to air inlet through the filtered portion gas in long air duct；Wherein, the inlet of the reflux boost section is provided with flow divider；The left and right sides is staggeredly distributed with UVCLED lamp bead in the long air duct.The sterilization air duct of the utility model can be realized multiple sterilization, effectively improve germicidal efficiency.

Description

A kind of sterilization air duct and air steriliser

Technical field

The invention belongs to the fields of sterilizing, and in particular to air steriliser field.

Background technique

With the improvement of living standards, requirement of the people to living environment is higher and higher.Bacterium, virus in air, PM2.5 and other pollution sources bring very big puzzlement, especially bacterium to city dweller, virus is also good for the body of people Health brings hidden danger.And at present, air filter sterilizing function is limited on the market or its sterilizing ability is not strong, therefore, a to kill Air cleaning class equipment based on bacterium function is more and more important to improvement people's living environment problem, the application of air steriliser It is increasingly extensive therewith.

The main function of air steriliser: the bacterium of institute's band in the air of process, virus can not only be carried out dissipation from And purified, remove bacterial virus in air；And the various impurity being harmful to the human body in air, such as particle can also be filtered Substance, formaldehyde and cigarette stink etc..Under normal conditions, air steriliser included UVC light source part, electric control system, mistake Filter part and air circulation part, wherein filtration fraction is used to remove the impurity in air, and air circulation part is for making air Filtration fraction is flowed continuously through, UVC light source part is arranged in the air duct of air circulation part, the bacterial disease of institute's band in dissipation air Poison.

In general, air circulation part includes the big wind pressure Double-axial-flow fan of Wind Volume and air duct.Wherein, by changing air duct Design can change speed and flow that air in air steriliser flows, and in addition suitable air duct length, wind speed, flow be all It will affect the ability of air steriliser sterilization.

But the air duct of air steriliser is most of at present, is all short air duct heavy caliber, its purpose is to reduce wind Resistance, at and keep it lower to the performance requirement of blower, cost is lower.But in this way, work of the ultraviolet LED light to the air for flowing through air duct Firmly, active area will be small, and action time is also insufficient, and germicidal efficiency is low.

Summary of the invention

The purpose of the present invention exactly solves the problems, such as that sterilization air duct in the prior art germicidal efficiency is low, proposes one kind Novel sterilization air duct.

A kind of technical solution of the invention: a kind of sterilization air duct, comprising: air inlet, long air duct, air outlet, and reflux Boost section；The air inlet carries out first time sterilization for receiving the air for needing to sterilize, and to air；The long air duct, one End is connected to air inlet, and the other end is connected to air outlet and reflux boost section；The air outlet, positioned at the end in sterilization air duct End, for directly filtered gas to be discharged；Flow back boost section, and one end is connected to long air duct and air outlet, the other end and Air inlet connection, for air inlet will to be transmitted to through the filtered portion gas in long air duct；Wherein, in the reflux boost section Inlet is provided with flow divider；In the long air duct, uniformly it is staggeredly distributed with perpendicular to two sides in the plane of air duct inner wall UVCLED lamp bead.

Further, the long air duct is c-type, U-shaped or L-type.

Further, the air inlet includes HEPA screen modules, photocatalyst filter screen component, UVALED lamp bead, with And Double-axial-flow fan.

Further, the UVCLED lamp bead every 4 are one group, organize interior lamp bead and are serially electrically connected, electrical connection in parallel between group.

Further, the leading portion air duct diameter in the long air duct is greater than back segment air duct diameter.

Further, the UVALED lamp bead issues the ultraviolet light of 365nm.

Further, the photocatalyst filter screen component, after the ultraviolet light irradiation issued through UVALED, photocatalyst filter Titanium dioxide in screen component generates hole/electronics pair out of the general oxidizing ability of chemistry, forms strong oxidizing property Free radical, the harmful substance and microorganism decomposition dissociated in air at harmless carbon dioxide and water.

Further, the HEPA screen modules, can at least cross air filtering in pellet, cigarette smoke, Pollen.

Further, the UVCLED lamp bead issues the deep ultraviolet light of 275nm.

Further, the flow divider enters the switch of reflux boost section for controlling air；The shunting

Valve, can be to be manually configured or default setting.

Further, the flow divider default setting is, at rigid opening sterilization air duct, to be in close state, passing through After N seconds of setting, it is arranged in opening state.

A kind of a kind of technical solution of the invention: air steriliser comprising: above-mentioned sterilization air duct, control circuit, use Family interface and timer.

Further, the control circuit respectively with user interface, timer and sterilization air duct flow divider

It is connected；The control circuit issues to timer for receiving user or default instruction and starts timing N

Second instruction, and when receiving timer when end message, opened or closed to flow divider transmission

Instruction.

Further, the air steriliser further includes cover board；The cover board is by the self-locking power-off of Rapid opening

Device and cover plate main body composition.

Further, the self-locking breaker device of the Rapid opening, comprising: poke rod；Movable limit fastener, it is solid with poke rod Fixed connection；Magnet is mounted on movable limit fastener；Self-locking mechanism, self-locking mechanism are connect with poke rod；When external force in dial When lever drives self-locking mechanism to switch to lockup state by non-lockup state, the magnet is self-locking with the Rapid opening for triggering The adjacent control circuit open circuit of breaker device.

Further, the self-locking mechanism further includes spring；One end of the spring is connect with poke rod,

The other end of the spring is connect with cover plate main body.

Further, the quantity of the spring is 2.

Further, the movable limit fastener and the spring, are divided into poke rod activity direction both ends, and described When the self-locking breaker device of Rapid opening is in non-lockup state, the activity limit fastener protrudes from the cover plate main body.

Further, the poke rod, including poke rod main body and poke rod handle；Wherein, described to stir

Bar main body and poke rod handle are divided into the two sides of the cover plate main body.

Further, when the self-locking breaker device of the Rapid opening is in lockup state, in the activity limit fastener It is recessed in the cover plate main body, or it is concordant with described cover plate main body one end.

Further, the self-locking structure further includes self-locking mechanism hook, one end and dial that self-locking mechanism is linked up with

Lever is rotatably connected.

Further, the self-locking structure is made of metal material.

Further, when external force drives self-locking mechanism to switch to lockup state by non-lockup state in poke rod, institute It is breaking for trigger the control circuit adjacent with the self-locking breaker device of the Rapid opening to state magnet, including, when external force in Poke rod, poke rod drive self-locking mechanism, and self-locking mechanism switchs to lockup state by non-lockup state, and self-locking mechanism generates displacement, The displacement of magnet on drive activity limit fastener, the magnet trigger Hall far from the Hall sensor in the control circuit Sensor voltage reduces, so that down circuitry.

Further, the cover plate main body further includes stop mechanism；The stop mechanism, in self-locking mechanism locking When, catch on self-locking mechanism；In the non-locking of self-locking mechanism, self-locking mechanism is discharged.

Further, the stop mechanism is located between two springs.

Further, the stop mechanism, including, the main part between two springs, and it is located at main part two sides And close on first side, the second side and the interconnecting piece being connected between the first, second side of two springs.

The invention has the benefit that

Sterilization air duct of the invention, being capable of effective guarantee killing bacterium, the action time of virus and radiation intensity；And pass through The boost section that flows back realizes repeatedly sterilization, makes the secondary body-internal-circulation of first time filtered air, reaches multiple sterilization, effectively improve and kill Bacterium efficiency.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings His attached drawing.

Fig. 1 is the structural schematic diagram of the preferred air steriliser of the embodiment of the present invention；

Fig. 2 is the detailed construction schematic diagram that the embodiment of the present invention preferably sterilizes channel；

Fig. 3 is that the preferred UVCLED lamp bead of the embodiment of the present invention sterilizes schematic diagram；

Fig. 4 is the air steriliser structural schematic diagram that the embodiment of the present invention preferably includes timer；

Fig. 5 is the preferred air steriliser overall structure diagram of the embodiment of the present invention；

Fig. 6 is the preferred cover board concrete structure schematic diagram of the embodiment of the present invention；

Fig. 7 is the preferred cover board positive and negative structural schematic diagram of the embodiment of the present invention；

Fig. 8 is the overall structure diagram of the preferred closure apparatus of the embodiment of the present invention；

Fig. 9 is that the preferred self-locking mechanism hook of the embodiment of the present invention locks and unlock schematic diagram.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall within the protection scope of the present invention.

The present invention will be further explained below with reference to the attached drawings.

Embodiment one

Fig. 1 is the structural schematic diagram of the preferred air steriliser of the embodiment of the present invention, and as described in Figure 1, air steriliser 1 wraps It includes, sterilizes air duct 11, control circuit 12 and user interface 13.Control circuit 12, respectively with user interface 13, sterilization air duct 11 are electrically connected, and for receiving the instruction of user, control sterilization air duct 11.

Sterilization air duct 11 is the most important component of air steriliser 1, and Fig. 2 is the structural representation in present invention sterilization air duct Figure, as shown in Fig. 2, sterilization air duct, is made of 4 parts, including, air inlet 21, long air duct 22, air outlet 23, and reflux increase Press section 24.

Wherein, air-flow direction can be seen that the air that need to be sterilized and initially enter air inlet 21 from Fig. 2, enter the wind It is provided with HEPA screen modules 211 in mouthfuls 21, photocatalyst filter screen component 212, UVALED (ultraviolet light LED) lamp bead 213, And Double-axial-flow fan 214.

Air into air inlet 21 first passes around HEPA screen modules 211 (high-efficiency air filtering screen component).HEPA Screen modules 211 are made of laminated borosilicate microfibre, and HEPA filter screen is white, by hundreds of rule Fold composition.HEPA filter screen has 99.99% filter effect to diameter generally for 0.3 micron or more particle.HEPA filter screen It is designed exclusively for the pollutant component removed in a variety of air.Pellet, cigarette smoke, pollen etc. can efficiently be removed.

From HEPA screen modules 211 come out after air, by photocatalyst filter screen component 212.

Photocatalyst filter screen component 212, after the 365nm ultraviolet light irradiation issued through UVALED lamp bead 213, photocatalyst mistake Titanium dioxide (TiO in net-filter assembly 212₂) hole/electronics pair out of the general oxidizing ability of chemistry, shape can be generated At the free radical of strong oxidizing property, the harmful substance and microorganism decomposition dissociated in air at harmless carbon dioxide and water, from And reaches the purpose of purification air, sterilization, deodorization, decomposing formaldehyde.With TiO₂Super oxidability destroy cell cell membrane make Cytoplasm loss leads to bacterial death, can inhibit the breeding of the bacteriums such as Escherichia coli, staphylococcus aureus.Wherein, 365nm Ultraviolet light is issued by the UVALED lamp bead 213 being arranged in air inlet.UVALED lamp bead is driven by 12V voltage increase and current constant.

HEPA screen modules 211 in air inlet, photocatalyst filter screen component 212, UVALED lamp bead 213 are constituted First sterilization barrier, realizes and sterilizes for the first time.

Air after sterilizing for the first time, by the big wind pressure Double-axial-flow fan 214 of Wind Volume, to enable air to enough Air quantity enters long air duct 22.Wherein, Double-axial-flow fan 214 is connected in series by the identical axial flow blower of two parameters, therefore can Realize the big wind pressure of Wind Volume.Double-axial-flow fan 214 is directly powered using 12V adapter.

Embodiment two

As shown in Fig. 2, the air after Double-axial-flow fan 214 enters long air duct 22, the diameter of long 22 leading portion of air duct Greater than back segment air duct diameter, since 214 air outlet wind pressure of Double-axial-flow fan is larger, diameter setting in leading portion air duct is greater than back segment wind Road diameter can effectively reduce windage, make its windage value be unlikely to be mutated, influence wind speed and fan life.

It is evenly distributed with UVC lamp bead 221 in long air duct 22 and forms the second sterilization barrier, UVC (deep ultraviolet light) led lamp beads 221 issue the deep ultraviolet light of 275nm, the air that need to be sterilized by 275nm deep ultraviolet light direct irradiation, and deep UV can destroy The molecular structure of DNA or RNA in microflora organisms cell cause growth cell death and (or) regenerative cell dead, Achieve the effect that sterilizing.

Fig. 3 is that the preferred UVCled lamp bead of the embodiment of the present invention sterilizes schematic diagram, as shown in figure 3,4 UVCled lamp beads A, B, C, D are interspersed at left and right sides of long air duct, and fan-shaped is presented in long air duct in the ultraviolet light that UVCled lamp bead issues, and lead to It crosses the staggered mode in left and right and is distributed UVCled lamp bead, 4 fan-shapeds are intersected each other, and overlapping is smaller, and air circulates in long air duct When, ultraviolet light, without sterilization dead angle, improves germicidal efficiency in the irradiation section of 4 lamp beads.4 UVCled lamp beads pass through string The mode of connection connects, and 4 UVCled lamp beads are driven by 12V voltage increase and current constant.When long air duct air duct length is longer, it can be used 8 Or 12 UVCled lamp beads, every 4 lamp beads are one group, organize interior lamp bead and use concatenated electric connection mode, use between group arranged side by side Electric connection mode.

As seen from Figure 3, the width in long air duct is set as h, and the ultraviolet angle value that lamp bead A is projected is a, then lamp The theoretical value s of pearl A and lamp bead B distance in the horizontal direction, be tan (a/2) * h, and lamp bead A and lamp bead C it is in the horizontal direction away from It is 2*tan (a/2) * h from theoretical value.In practical applications, to avoid the occurrence of sterilization dead angle, usually by lamp bead A and lamp bead B in water Square to the theoretical value s of distance be set as being slightly less than tan (a/2) * h.

Deep UV for most bacteriums and virus kill the time all within 1 second.Second sterilization barrier and the One sterilization barrier is connected by Double-axial-flow fan, is passed air through the first, second sterilization barrier, can sufficiently be killed sky Bacterial virus in gas.

The present invention is on Duct design, using air duct apart from longer c-type or U-shaped or L-type long air duct 22, compared to logical The air ducts such as the linear type being often used, increase air duct, and the deep ultraviolet light of the effective 275nm for guaranteeing the sending of UVC lamp bead 221 is filled It is allocated as bacterium, the action time of virus and radiation intensity.

Embodiment three

From Fig. 2 it can also be seen that be connected with long 22 end of air duct be respectively air outlet 23 and flow back boost section 24, Wherein, 23 other end of air outlet is connected to outside air, and the other end of reflux boost section 24 is connected to air inlet 21.

That is, the air after the first sterilization barrier and the second sterilization barrier, a part are passed through air outlet 23, are directly arranged Air duct is sterilized out；Another part enters reflux boost section 24, and the air into reflux boost section 24 passes through reflux boost section 24 Water conservancy diversion re-enters into air inlet 21, so that the sterilization of the second wheel is carried out, so that the sterilization success rate for the air being finally discharged obtains To larger promotion.

In reflux 24 inlet of boost section, it is provided with flow divider 25, enters opening for reflux boost section 24 for controlling air It closes.If user wants to improve the sterilization success rate of discharge air, i.e., openable flow divider 25 allows the air energy through too long air duct Reflux boost section 24 is enough entered, because after opening flow divider 25, the air entered in sterilization air duct in the unit time becomes It is few, but in the unit time, the air disinfection success rate by sterilization improves.

Example IV

Fig. 4 is the air steriliser structural schematic diagram that the embodiment of the present invention preferably includes timer, as shown in figure 4, empty It includes sterilization air duct 41, control circuit 42, user interface 43 that gas sterilizer 4, which removes, further includes timer 44.Wherein, air duct is sterilized Flow divider 411 is provided in 41.Control circuit 42 electrically connects with sterilization air duct 41, user interface 43 and timer 44 respectively It connects.Control circuit 42 sends riming instructions according to user setting or default setting, to timer 44, and is receiving timer 44 After timing finishes message, the transmission of flow divider 411 into sterilization air duct 41 opens or closes instruction.

For example, if user wants quickly to sterilize air, for example, can be incited somebody to action when user has just opened air steriliser Flow divider 411 is in close state, and after quick sterilization after a period of time, then is opened flow divider 411, is refined Sterilization.It is just to open the preceding N (N is for example set as 300) second of sterilizing unit, default setting flow divider in factory default setting 411 close, and are quickly sterilized to air with realizing, after N minutes, at this point, most air has had been subjected to one Wheel sterilization, sterilizer automatically open flow divider 411, more the sterilization of fining ground, improve the sterilization success rate of air.

To sum up, sterilization air duct of the invention, using HEPA screen modules, photocatalyst filter screen component, multiple UVCled Lamp bead is interspersed, and the modes such as setting reflux boost section between air inlet and air outlet, realizes repeatedly sterilization, effectively mentions High germicidal efficiency.

Embodiment five

Fig. 5 is the preferred air steriliser overall structure diagram of the embodiment of the present invention, as shown in figure 5, air steriliser Including sterilizer main body 50, air inlet 52, air outlet 51 and cover board 53.Air enters air steriliser, warp from air inlet 52 It crosses after sterilization processing, air steriliser is discharged from air outlet 51.In addition, by opening cover board 53, it can be to air steriliser It is filtered replacement and the maintenance operation of net.

Embodiment six

Fig. 6 is the preferred cover board concrete structure schematic diagram of the embodiment of the present invention, as shown in fig. 6, cover board includes Rapid opening Self-locking breaker device 62 and cover plate main body 61.

The self-locking breaker device 62 of Rapid opening includes poke rod 601, movable limit fastener 602, magnet 603, self-locking mechanism 604.Poke rod 601 is designed to U-shaped structure it can be seen from Fig. 6, and two activity limits are arranged on two tops of U-shaped structure Position buckle 602, is respectively set a magnet 603 on movable limit fastener 602.

The bottom of the U-shaped structure of poke rod 601 is provided with self-locking mechanism 604, wherein self-locking mechanism 604 includes self-locking Mechanism hook 6041 and two self-locking mechanism springs 6042, one end of self-locking mechanism hook 6041 and the U-shaped structure of poke rod 601 Bottom middle position it is rotatable be fixedly connected, rotation mode be self-locking mechanism hook 6041 can using tie point as the center of circle, Do swinging by a small margin.Self-locking mechanism links up with 6041 other ends and is set as hook-shaped, and self-locking mechanism hook 6041 is by metal material Material is made.6042 one end of self-locking mechanism spring is fixedly connected with the bottom of the U-shaped structure of poke rod 601, and the other end is then fixed on On cover plate main body 61.Wherein, the two sides of self-locking mechanism hook 6041 are arranged in two self-locking mechanism springs 6042.

Cover plate main body 61 includes fixed limit fastener 605, stop mechanism 606, lock plate 607.Wherein, stop mechanism 606 in 604 locking of self-locking mechanism, self-locking mechanism hook 6041 to catch on stop mechanism 606.Lock plate 607, it is fixed Between cover plate main body 61 and poke rod 601, it is more than to allow moving distance for preventing when poke rod 601 is mobile, avoids moving Apart from excessive to damage self-locking mechanism hook 6041, self-locking mechanism spring 6042 and other it is super can in moving process The device that can relate to.

Fig. 7 is the preferred cover board positive and negative structural schematic diagram of the embodiment of the present invention, as seen from Figure 7, fast in Fig. 6 The self-locking breaker device 62 of quick-opening lid further includes poke rod handle 702, and poke rod handle 702 is fixedly connected with poke rod 701, and is dialled Lever handle 702 and poke rod 701 are separately positioned on the two sides of cover plate main body 703, generate when user stirs poke rod handle 701 When displacement, the displacement of poke rod 701 will be also driven.

Embodiment seven

Fig. 8 is the overall structure diagram of the preferred closure apparatus of the embodiment of the present invention, as shown in figure 8, closure apparatus packet It includes, cover board 82 and back shroud 81.

User closes the lid of cover board 82 onto back shroud 81, includes the following steps:

Fixed limit fastener 807 is inserted on back shroud 81 in corresponding detent；

The poke rod handle 702 in Fig. 7 is firmly stirred, generates poke rod 801 towards fixed 807 direction of limit fastener Displacement, self-locking mechanism spring 805 compresses, and self-locking mechanism hook 804 catches on stop mechanism 806, movable 802 indent of limit fastener End face or, cover board 82 and back shroud 81 lid conjunction concordant with the end face of cover board 82 in cover board 82.

In the case where guaranteeing that cover board 82 and the lid of back shroud 81 close, continue to stir towards fixed 807 direction of limit fastener Bar handle makes self-locking mechanism hook 804 be detached from stop mechanisms 806, and self-locking mechanism spring 805 stretches, and poke rod 801 is towards fixation The opposite direction displacement of limit fastener 807, movable limit fastener 802 block on back shroud 81 in corresponding detent, at this time cover board It is installed.

The magnetic field for the magnet 803 being arranged on movable limit fastener 802 is in the control circuit 12 being arranged in Fig. 1 Hall sensor 810, so that circuit keeps the state of access.Specifically, when magnet 803 is close to Hall sensor 810, magnetic field Stronger, Hall voltage is higher, and when Hall voltage is more than predetermined value, circuit is at the state of access.

User removes cover board 82 from back shroud 81, includes the following steps:

User stirs the poke rod handle 702 in Fig. 7, generates poke rod 801 towards fixed 807 direction of limit fastener Displacement, self-locking mechanism spring 805 compresses, and self-locking mechanism hook 804 catches on stop mechanism 806, movable 802 indent of limit fastener In the end face of cover board 82 or concordant with the end face of cover board 82, movable limit fastener 802 is detached from the detent of back shroud 81 at this time；

Since magnet 803 is mounted on movable limit fastener 802, when movable limit fastener 802 is detached from the card of back shroud 81 Position, for magnet 803 also far away from the Hall sensor in Fig. 1 in control circuit 12 is arranged in, Hall sensor starts timing, if Magnet 803 is still far from Hall sensor in the given time, then Hall sensor voltage reduces, so that down circuitry；

User pulls out poke rod handle perpendicular to cover board 82, makes the movable limit fastener 802 of cover board 82 far from rear cover Plate 81；User can corresponding detent removes from back shroud 81 by the fixation limit fastener 807 of cover board 82, i.e. completion cover board 82 It is removed from back shroud 81.

Closure apparatus in the present embodiment can be used for air steriliser field, when needing to the filter screen in air steriliser When being replaced, cover board being removed, i.e., is disconnected the circuit of air steriliser, UVC lamp bead is closed, after avoiding cover board from opening, UVC lamp Damaging effect of the light to human body.In addition, removing cover board, disconnect circuit, when user the operation such as repairs to device inside, It can avoid the risk of hot line job.

Embodiment eight

Fig. 9 is that the preferred self-locking mechanism hook of the embodiment of the present invention locks and unlocks schematic diagram, as shown in figure 9, stop bit machine Structure 91 includes the main part 901 between two springs, and positioned at main part two sides and closes on first side of two springs 902, the second side 903 and the interconnecting piece 904 being connected between the first, second side.

Main part 901 has the guidance part that setting is extended obliquely downward from the second side 903 to 902 direction of the first side 905, self-aiming portion 905 extends downwardly and the extension 906 parallel with the first side 902, from 906 end of extension to second 903 direction of side tilts upward the L shape stopper section 907 of extension, and continues to tilt upward the L shape leading-out portion 908 of extension.Connection Portion 904 includes the first slope surface for connecting with the first side 902, and tilting down from the first side 902 to 903 direction of the second side 910；And first slope surface 910 the first valley point of minimum point 911；Be not connected to the first side 902, and from the first side 902 to The second valley point of minimum point 913 of the second slope surface 912 and the second slope surface 912 that second side, 903 direction tilts down.

Steps are as follows for self-locking mechanism locking:

(1) poke rod handle is stirred by external force, and driving self-locking mechanism hook 909 is mobile to 91 direction of stop mechanism；

(2) hook 909 touches guidance part 905, and slides diagonally downward along guidance part 905, reaches 905 He of guidance part The junction of extension 906；

(3) hook 909 enters the channel between extension 906 and the first side 902, and along channel slide downward, Touch the first slope surface 910 of interconnecting piece 904；

(4) under the driving of external force, hook 909 slides into the first valley point 911 along the first slope surface 910, although at this point, still There is external force, but hook no longer moves；

(5) stop the external force applying to hook 909, under the driving of the screen resilience of spring, link up with 909 from the first valley point 911 is mobile to 901 direction of main part, touches stopper section 907, and continues to reach along the slope surface upward sliding of stopper section 907 The highest point of stopper section 907, i.e. stopper point 914, complete the locking of self-locking mechanism.

Self-locking mechanism unlocked step is as follows:

(1) when needing to unlock self-locking mechanism, poke rod handle is stirred by external force, driving self-locking mechanism hook 909 It is mobile from stopper point 914 to 904 direction of interconnecting piece；

(2) hook 909 touches the second slope surface 912, under persistently the driving of external force, continues to slide down to the second valley point 913；

(3) after hook 909 reaches the second valley point 913, although hook 909 is still by outer power drive, hook 909 cannot It moves again；

Stop the external force that applies to hook 909, under the driving of the screen resilience of spring, link up with 909 from the second valley point 913 to 901 direction of main part is mobile, touches leading-out portion 908, and along 908 upward sliding of leading-out portion, enters leading-out portion 908 and the Channel between two sides 903 skids off stop mechanism 91, completes unlock.

Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.

Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (26)

1. a kind of sterilization air duct, which is characterized in that the sterilization air duct includes:

Air inlet, long air duct, air outlet, and reflux boost section；

The air inlet carries out first time sterilization for receiving the air for needing to sterilize, and to air；

The long air duct, one end are connected to air inlet, and the other end is connected to air outlet and reflux boost section；

The air outlet, positioned at the end in sterilization air duct, for directly filtered gas to be discharged；

Flow back boost section, and one end is connected to long air duct and air outlet, and the other end is connected to air inlet, and being used for will be through long air duct mistake Portion gas after filter is transmitted to air inlet；

Wherein, the inlet of the reflux boost section is provided with flow divider；

In the long air duct, UVCLED lamp bead is uniformly staggeredly distributed with perpendicular to two sides in the plane of air duct inner wall.

2. sterilization air duct as described in claim 1, it is characterised in that:

The long air duct is c-type, U-shaped or L-type.

3. sterilization air duct as described in claim 1, it is characterised in that:

The air inlet includes HEPA screen modules, photocatalyst filter screen component, UVALED lamp bead and Double-axial-flow fan.

4. sterilization air duct as claimed in claim 3, it is characterised in that:

The UVCLED lamp bead every 4 are one group, organize interior lamp bead and are serially electrically connected, electrical connection in parallel between group.

5. sterilization air duct as claimed in claim 3, it is characterised in that:

The leading portion air duct diameter in the long air duct is greater than back segment air duct diameter.

6. sterilization air duct as claimed in claim 3, it is characterised in that:

The UVALED lamp bead issues the ultraviolet light of 365nm.

7. such as claim 3, sterilization air duct described in any one of 5-6, it is characterised in that:

The photocatalyst filter screen component, after the ultraviolet light irradiation issued through UVALED, two in photocatalyst filter screen component Titanium oxide generates hole/electronics pair out of the general oxidizing ability of chemistry, the free radical of strong oxidizing property is formed, air In dissociate harmful substance and microorganism decomposition at harmless carbon dioxide and water.

8. sterilizing air duct as claimed in claim 3, it is characterised in that:

The HEPA screen modules can at least cross pellet, cigarette smoke, pollen in air filtering.

9. sterilization air duct as claimed in claim 3, it is characterised in that:

The UVCLED lamp bead issues the deep ultraviolet light of 275nm.

10. sterilization air duct as claimed in claim 3, it is characterised in that:

The flow divider enters the switch of reflux boost section for controlling air；

The flow divider, can be to be manually configured or default setting.

11. sterilization air duct as claimed in claim 10, it is characterised in that:

The flow divider default setting is, it is rigid open sterilization air duct when, be in close state, N seconds by setting with Afterwards, it is arranged in opening state.

12. a kind of air steriliser, which is characterized in that the air steriliser includes:

Sterilization air duct, control circuit, user interface and timer of any of claims 1-11.

13. such as the air steriliser of claim 12, it is characterised in that:

The control circuit is connected with user interface, timer and sterilization air duct flow divider respectively；

The control circuit issues the instruction of beginning timing N seconds to timer for receiving user or default instruction, and is receiving When to timer when end message, instruction is opened or closed to flow divider transmission.

14. air steriliser as claimed in claim 13, it is characterised in that:

The air steriliser further includes cover board；

The cover board is made of the self-locking breaker device of Rapid opening and cover plate main body.

15. air steriliser as claimed in claim 14, it is characterised in that:

The self-locking breaker device of Rapid opening, comprising: poke rod；

Movable limit fastener, is fixedly connected with poke rod；

Magnet is mounted on movable limit fastener；

Self-locking mechanism, self-locking mechanism are connect with poke rod；

When external force drives self-locking mechanism to switch to lockup state by non-lockup state in poke rod, the magnet is for triggering The control circuit open circuit adjacent with the self-locking breaker device of the Rapid opening.

16. air steriliser according to claim 15, it is characterised in that:

The self-locking mechanism further includes spring；

One end of the spring is connect with poke rod, and the other end of the spring is connect with cover plate main body.

17. air steriliser according to claim 16, it is characterised in that:

The quantity of the spring is 2.

18. air steriliser according to claim 16, it is characterised in that:

The activity limit fastener and the spring, are divided into poke rod activity direction both ends, and self-locking in the Rapid opening When breaker device is in non-lockup state, the activity limit fastener protrudes from the cover plate main body.

19. air steriliser according to claim 17, it is characterised in that:

The poke rod, including poke rod main body and poke rod handle；

Wherein, the poke rod main body and poke rod handle are divided into the two sides of the cover plate main body.

20. air steriliser according to claim 17, it is characterised in that:

When the self-locking breaker device of the Rapid opening is in lockup state, the activity limit fastener indent is in the cover board master Body, or it is concordant with described cover plate main body one end.

21. air steriliser according to claim 19, it is characterised in that:

The self-locking structure further includes self-locking mechanism hook, and one end of self-locking mechanism hook is rotatably connected with poke rod.

22. air steriliser according to claim 20, it is characterised in that:

The self-locking structure is made of metal material.

23. air steriliser according to claim 21, it is characterised in that:

When external force drives self-locking mechanism to switch to lockup state by non-lockup state in poke rod, the magnet is for triggering The control circuit open circuit adjacent with the self-locking breaker device of the Rapid opening, including, when external force is in poke rod, poke rod band Dynamic self-locking mechanism, self-locking mechanism switch to lockup state by non-lockup state, and self-locking mechanism generates displacement, drive activity limit fastener The displacement of upper magnet, far from the Hall sensor in the control circuit, trigger Hall sensor voltage reduces the magnet, makes Obtain down circuitry.

24. air steriliser according to claim 19, it is characterised in that:

The cover plate main body further includes stop mechanism；

The stop mechanism, for catching on self-locking mechanism in self-locking mechanism locking；In the non-locking of self-locking mechanism, it is released from Latch mechanism.

25. air steriliser according to claim 24, it is characterised in that:

The stop mechanism is located between two springs.

26. the air steriliser according to claim 25, it is characterised in that:

The stop mechanism, including, the main part between two springs, and positioned at main part two sides and close on two springs The first side, the second side and the interconnecting piece being connected between the first, second side.