CN212511680U

CN212511680U - UV sterilization module and related sterilization air purifier thereof

Info

Publication number: CN212511680U
Application number: CN202021122526.4U
Authority: CN
Inventors: 胡海荣; 肖樟斌
Original assignee: Ningbo Zhekai Electrical Appliance Co ltd
Current assignee: Ningbo Zhekai Electrical Appliance Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-09
Anticipated expiration: 2030-06-16

Abstract

The utility model provides a UV sterilization module and relevant air purifier that disinfects thereof, including module casing and ultraviolet fluorescent tube, be equipped with the quartzy ventilation pipe as inlet air passageway that is linked together with air purifier's air intake in the module casing, the ultraviolet fluorescent tube wears to put in quartzy ventilation pipe, the front side of module casing is opened and is equipped with the exhaust vent, the cavity between module casing and the quartzy ventilation pipe is filled with the little quartz glass pipe of taking photocatalyst, during the sterilization, air gets into quartzy ventilation pipe from the air intake, through the sterilization of ultraviolet fluorescent tube, discharge from the rear end of quartzy ventilation pipe again and turn back and get into the cavity between quartzy ventilation pipe and the module casing, discharge from the exhaust vent of module casing front side at last. The utility model discloses a UV sterilization module structure is reasonable compact, and the efficiency of disinfecting is high, but the circulation is disinfected, and the installation is dismantled conveniently simultaneously, and with air purifier convenient assembling is swift, one or more such modules that air purifier can arrange in pairs.

Description

UV sterilization module and related sterilization air purifier thereof

Technical Field

The utility model relates to an air purifier technique, concretely relates to UV sterilization module and relevant air vaporizer that disinfects thereof.

Background

There are many sterilizers on the market today, and ultraviolet sterilization is a common approach. Many ultraviolet germicidal lamps are only placed statically without air circulation and are sterilized repeatedly. An air purifier is also called as an air cleaner, an air freshener and a purifier, and is a product capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollutants, bacteria, allergens and the like) and effectively improving the air cleanliness. With the rapid development of modern industrial technologies, air pollution is more and more serious, and more families use air purifiers. In the existing air purifier, ultraviolet sterilization is a common technical means, and at present, many air purifiers are provided with ultraviolet lamp tubes, but many ultraviolet lamp tubes are only placed statically, have no air circulation and can be used for repeated sterilization, and the sterilization efficiency is low due to the unreasonable design of an air channel. On the basis of an ultraviolet lamp with the same UVC wavelength, the sterilization efficiency is in direct proportion to the irradiation power and the irradiation time of ultraviolet rays; the closer to the uv lamp, the higher the irradiation power.

Through looking up, chinese patent "an ultraviolet air purifier" that current application number is CN201520143200.2, including the casing, the below of casing is equipped with the air inlet, and the top is equipped with the gas outlet, be equipped with ultraviolet ray LED fluorescent tube in the casing, air inlet department is equipped with the suction fan, gas outlet department is equipped with the filter screen, be equipped with on the casing and shine the mouth, it has transparent plastic to shine mouthful to cover, the inside battery that is equipped with of casing, battery and LED fluorescent tube electricity are connected, casing one side lateral wall is equipped with articulated light, and this light is connected with the battery electricity, purifies the air through the LED ultraviolet lamp. The air purifier uses ultraviolet rays to sterilize air entering the air purifier, but after the air enters the pipeline, the stroke from the air inlet to the air outlet is short, so that the irradiation time of the ultraviolet rays on the air in the pipeline is not enough, the sterilization effect is not ideal,

chinese patent "an ultraviolet ray high efficiency air purifier that disinfects" that patent number is CN201920744905.8 in addition, including casing, air duct and the ultraviolet device of setting in the casing, be equipped with air intake and air outlet on the casing, air duct intercommunication air intake and air outlet, the air duct makes a round trip the folding form with the multilayer and sets up in the casing, ultraviolet device is used for shining the sterilization to the gas in the air duct. The air duct is bent, so that the irradiation time of ultraviolet rays to air in a pipeline can be prolonged, and the sterilization effect is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first problem that provides a UV sterilization module that compact, the high efficiency of disinfecting rational in infrastructure to foretell technical situation.

The second problem to be solved by the utility model is to provide a sterilizing air purifier with reasonable and compact structure and high sterilizing efficiency aiming at the technical current situation.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a UV sterilization module, characterized by: the ultraviolet lamp tube air purifier comprises a module shell and an ultraviolet lamp tube, wherein a quartz ventilation tube which is communicated with an air inlet of an air purifier and serves as an air inlet channel is arranged in the module shell, the ultraviolet lamp tube penetrates into the quartz ventilation tube, an air outlet hole is formed in the front side of the module shell, a small quartz glass tube with a photocatalyst is filled in a cavity between the module shell and the quartz ventilation tube, and during sterilization, air enters the quartz ventilation tube from the air inlet, is sterilized by the ultraviolet lamp tube, is discharged from the rear end of the quartz ventilation tube, turns back to enter the cavity between the quartz ventilation tube and the module shell, and is finally discharged from the air outlet hole in the front side of.

As an improvement, the module shell is of a straight cylindrical structure with a square cross section, a round hole-shaped air inlet end is arranged at the center of the front end of the module shell, a support used for fixing a quartz ventilation pipe is formed on the inner side of the air inlet end, a filter is arranged at the front end of the module shell, and a lamp holder fixing frame used for fixing an ultraviolet lamp tube is arranged at the rear end of the module shell in a matched mode.

And the lamp holder fixing frame is of a square frame structure matched with the rear end of the module shell, the lamp holder fixing frame is sleeved at the opening position of the rear end of the module shell in an involutory manner, a lamp holder for fixing an ultraviolet lamp tube is arranged in the middle of the front end of the lamp holder fixing frame, and the length of the ultraviolet lamp tube is matched with that of the quartz ventilation tube.

The filter is an HEPA filter, the front end of the module shell is provided with a filter frame for placing the filter in a clamping and involution mode, the filter frame is a square frame matched with the front end of the module shell, a button for detaching the filter frame through pressing is arranged on the side face of the filter frame, the middle parts of the filter frame and the lamp holder fixing frame are respectively provided with a grid-shaped partition plate, the filter is arranged in the filter frame and located on the front side of the partition plate, the rear side of the partition plate is provided with a positioning seat for inserting and positioning the front end of the ultraviolet lamp tube, the rear end of the ultraviolet lamp tube is inserted and positioned on the lamp holder, and the front end of the ultraviolet lamp tube penetrates through the quartz ventilation tube to be.

Furthermore, the rear end of the lamp holder fixing frame is provided with a square rear cover frame with a handle in a matching way, the surface of the small quartz glass tube is coated with nano titanium dioxide photocatalyst, and the aperture of the grid hole on the partition plate is smaller than the diameter of the small quartz glass tube

Furthermore, a layer of photocatalyst of foamed aluminum (or nickel or copper) base material is arranged on the inner wall of the module shell.

And finally, the lower side surface of the module shell is provided with a conductive contact piece communicated with the whole machine for conducting electricity, and the conductive contact piece is connected with the lamp holder through a conductive flat cable.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides an air purifier disinfects with above-mentioned UV sterilization module, includes purifier housing and sets up centrifugal fan and the PCB board in purifier housing, its characterized in that: the clarifier casing is by the front panel, the back shroud, control the curb plate, roof and bottom plate assembly form's rectangle shell structure, wherein be equipped with the air outlet on the front panel, the middle part of left side board is equipped with the air intake, the square opening that supplies UV sterilization module to put into is seted up at the middle part of right side board, the distance between the curb plate is unanimous about UV sterilization module's length and the clarifier casing, UV sterilization module sets up in the clarifier casing, the filter of UV sterilization module front end is hugged closely mutually with the air intake position of left side board, centrifugal fan sets up in the clarifier casing, be located UV sterilization module's upper left side, air outlet on the front panel is corresponding with centrifugal fan's air-out position.

Further, the position that is close to the right side board between the inside roof of purifier casing and the bottom plate vertically is equipped with a riser, between riser and the right side board, transversely be equipped with the baffle corresponding to square open-ended upside, between riser and right side board, the left side board, transversely be equipped with the left and right sides backup pad that is used for supporting UV sterilization module corresponding to square open-ended downside, UV sterilization module sets up in the backup pad of controlling, has certain space of ensureing the air flow between both sides and front panel and the back shroud around the UV sterilization module.

And finally, an openable cover plate is arranged at the position, corresponding to the square opening, of the right side plate, a power panel is arranged below the left support plate, the conductive contact piece of the UV sterilization module is electrically connected with the power panel, a PCB is arranged above the baffle, and an operation key connected with the PCB is arranged at the upper right of the front panel.

Compared with the prior art, the utility model has the advantages of: the quartz tube seat is used as a ventilation tube, so that the ultraviolet passing rate is high; the ultraviolet lamp tube is arranged along the length of the quartz ventilation tube, so that air circulates along the length direction of the ultraviolet lamp tube and is relatively close to the ultraviolet lamp tube, the effective sterilization time is long, and the irradiation power is high; a small quartz glass tube with a photocatalyst is filled between the quartz ventilation tube and the module shell, so that the ventilation is good, the ultraviolet penetration rate is high, the airflow trend can be bent, the ultraviolet sterilization time is prolonged, and the sterilization efficiency is high; the HEPA filter and the filter frame are convenient to disassemble, so that the ultraviolet lamp tube is convenient to replace; the inner wall of the module shell is provided with a layer of photocatalyst of a foamed aluminum (or nickel or copper) base material, so that the sterilization is assisted, glass fragments can be prevented from falling out of an air outlet sometimes, a part of light blocking effect is achieved, and the shell is prevented from being aged by ultraviolet radiation; the module is provided with a conductive contact piece which is communicated with the whole machine for conduction, so that the sterilization module can be conveniently disassembled and replaced. The utility model discloses a UV sterilization module structure is reasonable compact, and the efficiency of disinfecting is high, but the circulation is disinfected, and the installation is dismantled conveniently simultaneously, and with air purifier convenient assembling is swift, one or more such modules that air purifier can arrange in pairs.

Drawings

Fig. 1 is a schematic structural view of an air purifier of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 with the front panel removed;

FIG. 3 is a longitudinal cross-sectional view of FIG. 1;

fig. 4 is a schematic structural view of the air purifier of the present invention when the cover plate is opened and the UV sterilization module is taken out;

fig. 5 is a schematic structural diagram of the UV sterilization module of the present invention;

fig. 6 is an exploded view of the UV sterilization module of the present invention;

FIG. 7 is a further exploded view of FIG. 6;

FIG. 8 is a cross-sectional view of the airflow direction of the UV sterilization module;

FIG. 9 is a view showing the structure of the filter frame engaging structure in a locked state;

FIG. 10 is a view of the filter frame latch arrangement in an unlatched condition;

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 5 to 8, a UV sterilization module comprises a filter frame 6, a module housing 5, a lamp holder fixing frame 7, a rear cover frame 8 and an ultraviolet lamp tube 9 arranged in the module housing 5, the filter frame 6 is internally provided with a filter 60, the module housing 5 is internally provided with a quartz ventilation tube 50 which is used as an air inlet channel and communicated with an air inlet 131 of an air purifier, the ultraviolet lamp tube 9 is arranged in the quartz ventilation tube 50 in a penetrating way, the front side of the module housing 5 is provided with an air outlet 51, a cavity between the module housing 5 and the quartz ventilation tube 50 is filled with a small quartz glass tube 53 with photocatalyst, when in sterilization, air enters the quartz ventilation pipe 50 from the air inlet 131 through the filter 60, is sterilized by the ultraviolet lamp tube 9, is discharged from the rear end of the quartz ventilation pipe 50, is folded back to enter a cavity between the quartz ventilation pipe 50 and the module shell 5, and is finally discharged from an air outlet 51 at the front side of the module shell 5.

The concrete structure is as follows: the module shell 5 is a straight tubular structure with a square cross section, a round hole-shaped air inlet end is arranged at the center of the front end of the module shell 5, a support 54 for fixing the quartz ventilation pipe 50 is formed on the inner side of the air inlet end, a filter frame 6 is arranged at the front end of the module shell 5, and a lamp holder fixing frame 7 for fixing the ultraviolet lamp tube 9 is arranged at the rear end of the module shell 5 in a matching manner. The lamp holder fixing frame 7 is a square frame structure matched with the rear end of the module shell 5, the lamp holder fixing frame 7 is sleeved at the opening position of the rear end of the module shell 5 in an involutory mode, a lamp holder 72 for fixing the ultraviolet lamp tube 9 is arranged in the middle of the front end of the lamp holder fixing frame 7, and the length of the ultraviolet lamp tube 9 is matched with the quartz ventilation tube 50. The filter 60 is a HEPA filter, the filter frame 6 is a square frame matched with the front end of the module housing 5, the filter frame 6 is detachably arranged at the front end of the module housing 5 in an involution way by means of clamping, a button 63 capable of detaching the filter frame 6 by pressing is arranged on the side surface of the filter frame 6, usually, a mounting hole is arranged at the middle part of the front side and the rear side of the filter frame 6, the button 63 is arranged in the mounting hole, an elastic piece 65 is supported between the button 63 and the bottom of the mounting hole, so that the button 63 always has an outward ejection trend, a fastening foot 64 is extended from the side edge of the button 63, and the fastening foot 64 penetrates through the side wall of the mounting hole and is matched and locked with the fastening piece 55 on the front end surface of the module housing 5, see fig.. The middle parts of the filter frame 6 and the lamp holder fixing frame 7 are respectively provided with a grid-shaped partition plate 61 and a grid-shaped partition plate 71, the aperture of the grid hole of the partition plates 61 and 71 is smaller than the diameter of the small quartz glass tube 53, the small quartz glass tube 53 is ensured not to fall out, the surface of the small quartz glass tube 53 is coated with a nano titanium dioxide photocatalyst, the small quartz glass tube 53 is used as a filler, the ventilation is good, the ultraviolet penetration rate is high, the air flow can be bent, the ultraviolet sterilization time is prolonged, the sterilization efficiency is high, the size and the filling porosity of the small quartz glass tube 53 can be properly adjusted as required, and the operation can be carried out according to the use requirement of. The inner wall of the module shell 5 is provided with a layer of photocatalyst 52 made of foamed aluminum (or nickel or copper) base material, which can assist in sterilization, prevent glass fragments from falling out of the air outlet 51 sometimes, and prevent the module shell 5 from being aged by ultraviolet radiation due to partial light shielding effect. The filter 60 is arranged in the filter frame 6 at the front side of the partition board 61, and the filter 60 is arranged to prevent the ultraviolet lamp tube 9 and the quartz ventilation tube 50 from being affected by dust attached to the surfaces thereof and ultraviolet rays. A positioning seat 62 for inserting and positioning the front end of the ultraviolet lamp tube 9 is arranged at the rear side of the partition board 61, the rear end of the ultraviolet lamp tube 9 is inserted on the lamp holder 72, and the front end of the ultraviolet lamp tube 9 passes through the quartz vent pipe 50 to be inserted and positioned on the positioning seat 62. The rear cover frame 8 is arranged at the rear end of the lamp holder fixing frame 7 in an involutory manner, and the rear end surface of the rear cover frame 8 is provided with a handle 81. The lower side of the module shell 5 is provided with a conductive contact 20 communicated with the whole machine, and the conductive contact 20 is connected with the lamp holder 72 through a conductive flat cable 21.

As shown in fig. 1-4, a sterilization air purifier with above-mentioned UV sterilization module, including clarifier casing 1 and set up centrifugal fan 2 in clarifier casing 1, UV sterilization module a and PCB board 3, clarifier casing 1 is by front panel 11, back shroud 12, about

curb plate

13 and 14, roof 15 and the rectangular shell structure that bottom plate 16 assembled formed, wherein be equipped with air outlet 111 on the front panel 11, the middle part of left side board 13 is equipped with air intake 131, the square opening that supplies UV sterilization module a to put into is seted up at the middle part of right side board 14, UV sterilization module a's length is unanimous with the distance between curb plate 13 and the 14 about clarifier casing a. A vertical plate 17 is longitudinally arranged between an inner top plate 15 and a bottom plate 16 of the purifier shell 1 and close to the right side plate 14, a baffle 18 is transversely arranged between the vertical plate 17 and the right side plate 14 and corresponding to the upper side of the square opening, and left and

right support plates

19 and 100 for supporting the UV sterilization module A are transversely arranged between the vertical plate 17 and the right side plate 14 and between the vertical plate 17 and the left side plate 13 and corresponding to the lower side of the square opening. The UV sterilization module A is arranged in the purifier shell 1 and arranged on the left support plate 19, the right support plate 100 and the left support plate 131, the filter 60 at the front end of the UV sterilization module A is tightly attached to the air inlet 131 of the left side plate 13, the centrifugal fan 2 is arranged in the purifier shell 1 and positioned above the left side of the UV sterilization module A, and the air outlet 111 on the front panel 11 corresponds to the air outlet position of the centrifugal fan 2. The front and rear sides of the UV sterilizing module a have certain gaps 20 between the front panel 11 and the rear cover panel 12 to ensure air flow. An openable cover plate 141 is arranged at the position of the right side plate 14 corresponding to the square opening, a power panel 4 is arranged below the left support plate 19, a conductive contact piece 20 of the UV sterilization module A is electrically connected with the power panel 4, a PCB 3 is arranged above the baffle 18, and an operation key 10 connected with the PCB 3 is arranged at the upper right of the front panel 11.

During use, air filled with dust enters the UV sterilization module A from the air inlet 131, is filtered by the filter 60 in the UV sterilization module A, enters the UV sterilization module A from the quartz ventilation pipe 50 and is sterilized by the ultraviolet lamp tube 9, is discharged from the rear end of the quartz ventilation pipe 50 and turns back to enter a cavity between the quartz ventilation pipe 50 and the module shell 5, is continuously sterilized, is discharged from the air outlet 51 at the front side of the module shell 5, the airflow direction is shown by an arrow in fig. 8, and the purified and sterilized fresh air is finally discharged from the air outlet 111 of the purifier shell 1. Impurities such as dust and particles are adsorbed on the filter 60.

When the filter 60 needs to be cleaned or the ultraviolet lamp tube 9 needs to be replaced, the cover plate 141 of the right side plate 14 is opened, the UV sterilization module A is pulled out through the lifting handle 81, the button 63 of the filter frame 6 is pressed, the filter frame 6 is detached from the module shell 5, the filter 60 can be taken down, the cleaning is convenient, meanwhile, the ultraviolet lamp tube 9 can be taken out for replacement, the whole structure is compact, and the occupied space is small.

The structure of the whole machine can also change the arrangement mode, the air outlet direction and the control position as required, and the drawing direction of the UV sterilization module A and the like can be changed as required.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A UV sterilization module, characterized by: the ultraviolet lamp tube air purifier comprises a module shell and an ultraviolet lamp tube, wherein a quartz ventilation tube which is communicated with an air inlet of an air purifier and serves as an air inlet channel is arranged in the module shell, the ultraviolet lamp tube penetrates into the quartz ventilation tube, an air outlet hole is formed in the front side of the module shell, a small quartz glass tube with a photocatalyst is filled in a cavity between the module shell and the quartz ventilation tube, and during sterilization, air enters the quartz ventilation tube from the air inlet, is sterilized by the ultraviolet lamp tube, is discharged from the rear end of the quartz ventilation tube, turns back to enter the cavity between the quartz ventilation tube and the module shell, and is finally discharged from the air outlet hole in the front side of.

2. The UV germicidal module as claimed in claim 1, wherein: the module shell is of a straight tubular structure with a square cross section, a round hole-shaped air inlet end is arranged at the center of the front end of the module shell, a support used for fixing a quartz ventilation pipe is formed on the inner side of the air inlet end, a filter is detachably arranged at the front end of the module shell, and a lamp holder fixing frame used for fixing an ultraviolet lamp tube is arranged at the rear end of the module shell in a matched mode.

3. The UV germicidal module as claimed in claim 2, wherein: the lamp holder fixing frame is of a square frame structure matched with the rear end of the module shell, the lamp holder fixing frame is sleeved at the opening position of the rear end of the module shell in an involutory mode, a lamp holder used for fixing an ultraviolet lamp tube is arranged in the middle of the front end of the lamp holder fixing frame, and the length of the ultraviolet lamp tube is matched with that of the quartz ventilation tube.

4. The UV sterilization module of claim 3, wherein: the filter is an HEPA filter, a filter frame for placing the filter is arranged at the front end of the module shell in a clamping and involution mode, the filter frame is a square frame matched with the front end of the module shell, a button for detaching the filter frame through pressing is arranged on the side face of the filter frame, grating-shaped partition plates are respectively arranged at the middle parts of the filter frame and the lamp holder fixing frame, the filter is arranged in the filter frame and located on the front side of the partition plates, a positioning seat for inserting and positioning the front end of the ultraviolet lamp tube is arranged on the rear side of the partition plates, the rear end of the ultraviolet lamp tube is inserted and positioned on the lamp holder, and the front end of the ultraviolet lamp tube penetrates through a quartz ventilation tube to.

5. The UV sterilization module of claim 4, wherein: the back end of the lamp holder fixing frame is provided with a square back cover frame with a handle in a matching way, the surface of the small quartz glass tube is coated with nano titanium dioxide photocatalyst, and the aperture of the grid hole on the partition plate is smaller than the diameter of the small quartz glass tube.

6. The UV sterilization module of claim 5, wherein: the inner wall of the module shell is provided with a layer of photocatalyst made of foamed aluminum or nickel or copper base material.

7. The UV sterilization module of claim 6, wherein: and the lower side surface of the module shell is provided with a conductive contact piece communicated with the whole machine for conducting electricity, and the conductive contact piece is connected with the lamp holder through a conductive flat cable.

8. A sterilizing air cleaner having the UV sterilizing module of any one of claims 1 to 7, comprising a cleaner case, and a centrifugal fan and a PCB board disposed in the cleaner case, characterized in that: the clarifier casing is by the front panel, the back shroud, control the curb plate, roof and bottom plate assembly form's shell structure, wherein be equipped with the air outlet on the front panel, the middle part of left side board is equipped with the air intake, the square opening that supplies UV sterilization module to put into is seted up at the middle part of right side board, distance between the curb plate is unanimous about UV sterilization module's length and the clarifier casing, UV sterilization module sets up in the clarifier casing through square opening, the filter of UV sterilization module front end is hugged closely mutually with the air intake position of left side board, centrifugal fan sets up in the clarifier casing, be located UV sterilization module's upper left side, air outlet on the front panel is corresponding with centrifugal fan's air-out position.

9. The germicidal air purifier as recited in claim 8, wherein: the position that is close to the right side board between the inside roof of clarifier casing and the bottom plate vertically is equipped with a riser, between riser and the right side board, transversely be equipped with the baffle corresponding to square open-ended upside, between riser and right side board, the left side board, transversely be equipped with the backup pad of controlling that is used for supporting UV sterilization module corresponding to square open-ended downside, UV sterilization module sets up in the backup pad of controlling, has certain space of ensureing the air flow between both sides and front panel and the back shroud around the UV sterilization module.

10. The germicidal air purifier as recited in claim 9, further comprising: the right side board is provided with an openable cover board corresponding to the square opening position, a power panel is arranged below the left support board, the conductive contact piece of the UV sterilization module is electrically connected with the power panel, a PCB is arranged above the baffle, and an operation button connected with the PCB is arranged above the right side of the front panel.