CN216278552U

CN216278552U - Centrifugal fan and bladeless fan

Info

Publication number: CN216278552U
Application number: CN202123139658.5U
Authority: CN
Inventors: 刘文俊
Original assignee: Jiangsu Zuoling Electric Appliance Co ltd
Current assignee: Changzhou Meizhi Electronics Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-12
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a centrifugal fan and bladeless fan, centrifugal fan include first spiral case, second spiral case, motor and centrifugal impeller, fixed connection and constitution fan spiral case between first spiral case and the second spiral case, centrifugal impeller sets up in the fan spiral case, fixed connection between the output shaft of motor and the centrifugal impeller, the shell and the fan spiral case fixed connection of motor, be close to the position of air-out department on first spiral case and/or the second spiral case and install LED bactericidal lamp subassembly, LED bactericidal lamp subassembly is at least including LED lamp pearl, the illumination direction of LED lamp pearl is towards in the fan spiral case. The application has the effects of reducing power consumption, improving the sterilization effect and reducing potential safety hazards.

Description

Centrifugal fan and bladeless fan

Technical Field

The application relates to the field of fan equipment, in particular to a centrifugal fan.

Background

The bladeless fan, i.e. the bladeless fan, is one kind of electric fan, and a centrifugal compressor is generally arranged in a base of the bladeless fan, and an impeller in the centrifugal compressor sucks air from the periphery of the base when rotating, pressurizes the air and then conveys the air to an air outlet at the top of the fan, and the air outlet is in a narrow and long slit shape. As the turbine blades of the bladeless fan which generate wind are hidden in the base, compared with the traditional fan, the surface of the blades of the bladeless fan is not easy to accumulate dust, and is not easy to cause accidental injury to people. The existing bladeless fan on the market generally can sterilize the flowing air so as to improve the air quality.

The utility model discloses a chinese utility model patent that publication number is CN214170898U discloses a bladeless fan with disinfect and humidification function, this kind of bladeless fan is including sterilizing equipment, and sterilizing equipment is the UV bactericidal lamp, and the UV bactericidal lamp is the siphonozooid, and this UV bactericidal lamp sets up in the water conservancy diversion passageway and is close to the gas outlet setting.

In view of the above-mentioned related art, the inventor believes that in the practical use process, the power consumption of the tubular UV germicidal lamp is large, and the volume of the tubular UV germicidal lamp is large, so that the blower housing for installing the germicidal lamp needs to be large, which easily results in the increase of the whole volume of the bladeless fan. As can be seen from the drawings of the related art, the lamp tube of the germicidal lamp is horizontally disposed in the blower housing, and the surface of the lamp tube is easily contaminated by dust during long-term use, so that the germicidal effect of the germicidal lamp is reduced, and meanwhile, when the bladeless fan is carried, the surface of the germicidal lamp is easily damaged by vibration generated, and the inside of the tubular germicidal lamp generally contains harmful substances, so that the damaged surface of the tubular germicidal lamp is easily damaged.

SUMMERY OF THE UTILITY MODEL

The problem of the bactericidal lamp energy consumption among the current bladeless fan high, the effect is poor and have great potential safety hazard is solved in order to solve.

In a first aspect, the present application provides a centrifugal fan, which adopts the following technical scheme:

the utility model provides a centrifugal fan, includes first spiral case, second spiral case, motor and centrifugal impeller, fixed connection and constitution fan spiral case between first spiral case and the second spiral case, centrifugal impeller sets up in the fan spiral case, fixed connection between the output shaft of motor and the centrifugal impeller, the shell and the fan spiral case fixed connection of motor, LED bactericidal lamp subassembly is installed to the position that is close to air-out department on first spiral case and/or the second spiral case, LED bactericidal lamp subassembly is at least including LED lamp pearl, the illumination direction of LED lamp pearl is towards in the fan spiral case.

Through adopting above-mentioned technical scheme, using LED bactericidal lamp subassembly to replace UV bactericidal lamp pipe, LED lamp pearl's energy consumption is lower, and there is not harmful substance in LED lamp pearl's inside, and LED lamp pearl is installed on the fan spiral case, and in transport and use, LED lamp pearl also is difficult for producing the damage. The LED germicidal lamp assembly is arranged at the air outlet of the fan volute, so that air flowing out of the centrifugal fan can be effectively sterilized and disinfected, the energy consumption is lower, and the use process is safer.

Preferably, the LED germicidal lamp assembly comprises a base plate, the LED lamp beads are arranged on the base plate, the base plate is fixedly connected with the fan volute, and lamp bead holes for the LED lamp beads to penetrate through are formed in the fan volute.

Through adopting above-mentioned technical scheme, the bed plate provides the space for the installation of LED lamp pearl.

Preferably, the lamp bead hole is including hole and outer hole, the outline looks adaptation of hole and LED lamp bead, the outer hole is the counter bore and sets up in fan spiral case inboard, the diameter of outer hole is greater than the diameter of hole.

Through adopting above-mentioned technical scheme, the hole can carry out further fixed to LED lamp pearl, effectively improves the structural stability after LED lamp pearl installation, prolongs its life. The outer hole is a counter bore, and can play a certain dustproof role on the surface of the LED lamp bead, so that the LED lamp bead can still keep a good sterilization effect after long-term use.

Preferably, the base plate is provided with a wire collecting pipe, and the surface of the wire collecting pipe is provided with a wire distributing groove.

Through adopting above-mentioned technical scheme, the cable of LED bactericidal lamp subassembly can be accomodate in the setting of concentrator pipe, and LED bactericidal lamp subassembly is close to centrifugal impeller setting, can effectively reduce in the use the condition emergence of intertwining between cable and the centrifugal impeller.

Preferably, the base plate is provided with a mounting hole, a mounting column is arranged on the inner side of the fan volute and corresponds to the mounting hole, and an internal thread is formed in the mounting column.

Through adopting above-mentioned technical scheme, wear to establish the screw between erection column and the mounting hole, can realize the fixed mounting of bed plate.

Preferably, the first volute and the second volute are provided with wind shielding ring covers at the edge of the end face corresponding to the centrifugal impeller.

Through adopting above-mentioned technical scheme, the setting of ring cover of keeping out the wind can effectively reduce centrifugal impeller's the condition of leaking out for the wind that centrifugal impeller produced is more concentrated, and the amount of wind is also bigger.

Preferably, the outer surface of the fan volute is provided with a line concentration plate, the surface of the line concentration plate is provided with a long-strip line concentration hole, and the edge of the line concentration hole is provided with a line distribution notch.

Through adopting above-mentioned technical scheme, the setting of line concentration board can be accomodate the cable that is located the fan spiral case, improves the clean and tidy degree of cable, the later maintenance of also being convenient for.

Preferably, a connection ring plate is arranged at a port at the air outlet of the fan volute, and a fool-proof protrusion is arranged on the connection ring plate.

Through adopting above-mentioned technical scheme, the setting of connecting ring board is used for realizing the installation of the induced air structure of air-out department of fan spiral case, prevents that the bellied setting of slow-witted can be convenient for aim at fast and install.

In a second aspect, the present application provides a bladeless fan, which adopts the following technical solution:

the utility model provides a bladeless fan, this kind of bladeless fan is inside to be equipped with foretell centrifugal fan, bladeless fan is including air outlet subassembly and base subassembly, the air outlet subassembly includes the air-out shell of two mutual joints, the base subassembly is including chassis, front panel, rear panel, left side board and right panel, the base subassembly is still including interior left side shell and interior right side shell, fixed connection between centrifugal fan and interior left side shell and the interior right side shell, all be provided with the filter between interior left side shell and the left panel, between interior right side shell and the right panel.

Preferably, an air guide pipe is arranged between the centrifugal fan and the air outlet assembly, one end of the air guide pipe is attached to the edge of the air outlet shell, and the other end of the air guide pipe is attached to a connecting ring plate of the centrifugal fan.

By adopting the technical scheme, the arrangement of the air guide pipe can effectively reduce wind power loss, so that air flow generated by the centrifugal fan flows into the air outlet assembly as much as possible.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the LED germicidal lamp assembly is arranged, so that the effects of reducing energy consumption and improving the germicidal effect can be achieved;

2. through the arrangement of the lamp bead holes, the function of preventing dust of the LED lamp beads to improve the sterilization effect of the LED lamp beads can be achieved;

3. through the arrangement of the wire collecting pipe, the effect of accommodating the cable of the LED sterilizing lamp assembly can be achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of a centrifugal fan according to the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a schematic view of another direction of the overall structure of a centrifugal fan according to the present application.

Fig. 5 is a schematic view of an internal structure of a centrifugal fan according to the present application.

Fig. 6 is an enlarged schematic view of the portion C in fig. 5.

Fig. 7 is a schematic view of the overall structure of a bladeless fan according to the present application.

Fig. 8 is an exploded view of the overall structure of a bladeless fan according to the present application.

Reference number specification, 1, fan volute; 11. a first volute; 12. a second volute; 13. a lamp bead hole; 131. an inner bore; 132. an outer bore; 14. mounting a column; 15. a wind shielding ring cover; 16. a line concentration plate; 161. a line concentration hole; 162. a wiring gap; 17. a connecting ring plate; 171. a fool-proof projection; 2. a motor; 3. a centrifugal impeller; 4. an LED germicidal lamp assembly; 41. a base plate; 42. a line collecting pipe; 421. a wiring groove; 5. an air outlet assembly; 51. an air outlet shell; 52. an air guide pipe; 6. a base assembly; 61. a chassis; 62. a front panel; 63. a rear panel; 64. a left panel; 65. a right panel; 66. an inner left shell; 67. an inner right shell; 68. a filter plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses centrifugal fan. Referring to fig. 1-6, the centrifugal fan comprises a first volute 11, a second volute 12, a motor 2 and a centrifugal impeller 3, the first volute 11 and the second volute 12 are fixedly connected to form a fan volute 1, the centrifugal impeller 3 is arranged in the fan volute 1, an output shaft of the motor 2 is fixedly connected with the centrifugal impeller 3, a shell of the motor 2 is fixedly connected with the fan volute 1, an LED germicidal lamp assembly 4 is installed at a position, close to an air outlet, on the first volute 11 and/or the second volute 12, the LED germicidal lamp assembly 4 at least comprises LED lamp beads, and the illumination direction of the LED lamp beads faces towards the interior of the fan volute 1. The outer surface of the fan volute 1 is provided with a line concentration plate 16, the surface of the line concentration plate 16 is provided with a strip line concentration hole 161, and the edge of the line concentration hole 161 is provided with a line notch 162. The port of the air outlet of the blower volute 1 is provided with a connecting ring plate 17, and the connecting ring plate 17 is provided with a fool-proof protrusion 171.

Referring to fig. 1-6, the LED germicidal lamp assembly 4 includes a base plate 41, the LED lamp beads are disposed on the base plate 41, the base plate 41 is fixedly connected to the blower volute 1, and the blower volute 1 is provided with lamp bead holes 13 for the LED lamp beads to penetrate through. The lamp bead hole 13 comprises an inner hole 131 and an outer hole 132, the inner hole 131 is matched with the outer contour of the LED lamp bead, the outer hole 132 is a counter bore and is arranged on the inner side of the fan volute 1, and the diameter of the outer hole 132 is larger than that of the inner hole 131. Hole 131 can carry out further fixed to LED lamp pearl, effectively improves the structural stability after LED lamp pearl installation, prolongs its life. The outer hole 132 is a counter bore, and can play a certain dustproof role on the surface of the LED lamp bead, so that the LED lamp bead can still keep a good sterilization effect after long-term use. The end surface edges of the first volute 11 and the second volute 12 corresponding to the centrifugal impeller 3 are provided with wind shielding ring covers 15. The arrangement of the wind shielding ring cover 15 can effectively reduce the wind leakage condition of the centrifugal impeller 3, so that the wind generated by the centrifugal impeller 3 is more concentrated, and the wind volume is larger.

Referring to fig. 1-6, a mounting hole is formed in the base plate 41, a mounting post 14 is arranged on the inner side of the fan volute 1 corresponding to the mounting hole, and an internal thread is formed in the mounting post 14. Screws are arranged between the mounting columns 14 and the mounting holes in a penetrating mode, and the base plate 41 can be fixedly mounted. The base plate 41 is provided with a line collecting pipe 42, and the surface of the line collecting pipe 42 is provided with a line distributing groove 421. The cable of LED germicidal lamp assembly 4 can be accomodate in the setting of line concentration pipe 42, and LED germicidal lamp assembly 4 is close to centrifugal impeller 3 and sets up, can effectively reduce in the use the intertwine condition emergence between cable and the centrifugal impeller 3.

The implementation principle of the centrifugal fan in the embodiment of the application is as follows: use LED bactericidal lamp subassembly 4 to replace UV bactericidal lamp pipe, the energy consumption of LED lamp pearl is lower, and there is not harmful substance in the inside of LED lamp pearl, and LED lamp pearl is installed on fan spiral case 1, and in transport and use, LED lamp pearl also is difficult for producing the damage. The LED germicidal lamp component 4 is arranged at the air outlet of the fan volute 1, so that air flowing out of the centrifugal fan can be effectively sterilized and disinfected, the energy consumption is lower, and the use process is safer. Hole 131 can carry out further fixed to LED lamp pearl, effectively improves the structural stability after LED lamp pearl installation, prolongs its life. The outer hole 132 is a counter bore, and can play a certain dustproof role on the surface of the LED lamp bead, so that the LED lamp bead can still keep a good sterilization effect after long-term use.

The embodiment of the application also discloses a bladeless fan. Referring to fig. 7-8, the centrifugal fan is installed inside the bladeless fan, the bladeless fan comprises an air outlet assembly 5 and a base assembly 6, the air outlet assembly 5 comprises two air outlet shells 51 which are clamped with each other, the base assembly 6 comprises a chassis 61, a front panel 62, a rear panel 63, a left panel 64 and a right panel 65, the base assembly 6 further comprises an inner left shell 66 and an inner right shell 67, the centrifugal fan is fixedly connected with the inner left shell 66 and the inner right shell 67, and filter plates 68 are arranged between the inner left shell 66 and the left panel 64 and between the inner right shell 67 and the right panel 65. An air guide pipe 52 is arranged between the centrifugal fan and the air outlet component 5, one end of the air guide pipe 52 is attached to the edge of the air outlet shell 51, and the other end of the air guide pipe 52 is attached to the connecting ring plate 17 of the centrifugal fan. The arrangement of the air duct 52 can effectively reduce wind loss, so that the airflow generated by the centrifugal fan flows into the air outlet assembly 5 as much as possible.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a centrifugal fan, includes first spiral case (11), second spiral case (12), motor (2) and centrifugal impeller (3), fixed connection and constitution fan spiral case (1) between first spiral case (11) and the second spiral case (12), centrifugal impeller (3) set up in fan spiral case (1), fixed connection between the output shaft of motor (2) and centrifugal impeller (3), the shell and fan spiral case (1) fixed connection of motor (2), its characterized in that: LED bactericidal lamp subassembly (4) are installed to the position that is close to air-out department on first spiral case (11) and/or second spiral case (12), LED bactericidal lamp subassembly (4) are including LED lamp pearl at least, the illumination direction of LED lamp pearl is towards in fan spiral case (1).

2. The centrifugal fan according to claim 1, wherein: the LED germicidal lamp component (4) comprises a base plate (41), the LED lamp beads are arranged on the base plate (41), the base plate (41) is fixedly connected with the fan volute (1), and lamp bead holes (13) for the LED lamp beads to penetrate through are formed in the fan volute (1).

3. A centrifugal fan according to claim 2, wherein: the lamp bead hole (13) comprises an inner hole (131) and an outer hole (132), the inner hole (131) is matched with the outer contour of the LED lamp bead, the outer hole (132) is a counter bore and is arranged on the inner side of the fan volute (1), and the diameter of the outer hole (132) is larger than that of the inner hole (131).

4. A centrifugal fan according to claim 2, wherein: be provided with line concentration pipe (42) on bed plate (41), line trough (421) have been seted up on line concentration pipe (42) surface.

5. A centrifugal fan according to claim 2, wherein: the fan volute is characterized in that a mounting hole is formed in the base plate (41), a mounting column (14) is arranged on the inner side of the fan volute (1) corresponding to the mounting hole, and an internal thread is formed in the mounting column (14).

6. The centrifugal fan according to claim 1, wherein: the end face edges of the first volute (11) and the second volute (12) corresponding to the centrifugal impeller (3) are provided with wind shielding ring covers (15).

7. The centrifugal fan according to claim 1, wherein: the outer surface of the fan volute (1) is provided with a line concentration plate (16), the surface of the line concentration plate (16) is provided with a long-strip-shaped line concentration hole (161), and the edge of the line concentration hole (161) is provided with a line routing notch (162).

8. The centrifugal fan according to claim 1, wherein: the port of the air outlet of the fan volute (1) is provided with a connecting ring plate (17), and a fool-proof protrusion (171) is arranged on the connecting ring plate (17).

9. A bladeless fan, comprising: the centrifugal fan of any one of claims 1 to 8 is installed inside the bladeless fan, the bladeless fan comprises an air outlet assembly (5) and a base assembly (6), the air outlet assembly (5) comprises two air outlet shells (51) which are clamped with each other, the base assembly (6) comprises a base plate (61), a front panel (62), a rear panel (63), a left panel (64) and a right panel (65), the base assembly (6) further comprises an inner left shell (66) and an inner right shell (67), the centrifugal fan is fixedly connected with the inner left shell (66) and the inner right shell (67), and filter plates (68) are arranged between the inner left shell (66) and the left panel (64) and between the inner right shell (67) and the right panel (65).

10. A bladeless fan according to claim 9, wherein: an air guide pipe (52) is arranged between the centrifugal fan and the air outlet assembly (5), one end of the air guide pipe (52) is attached to the edge of the air outlet shell (51), and the other end of the air guide pipe (52) is attached to a connecting ring plate (17) of the centrifugal fan.