CN113237168B

CN113237168B - New fan

Info

Publication number: CN113237168B
Application number: CN202110482763.4A
Authority: CN
Inventors: 胡军; 叶荣摇; 洪炳发
Original assignee: Xiamen Zhongweida Energy Saving Technology Co ltd
Current assignee: Xiamen Zhongweida Energy Saving Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-09-23
Anticipated expiration: 2041-04-30
Also published as: CN113237168A

Abstract

The invention discloses a fresh air fan, which belongs to the field of fresh air fans and comprises a foamed plastic shell, a foamed plastic door plate, a filter screen assembly and a fan assembly, wherein at least one filter screen guide groove is formed in the foamed plastic shell, a through hole communicated with the filter screen guide groove is formed in the side wall of the foamed plastic shell, the door plate is detachably connected in the through hole and seals the through hole, the filter screen assembly and the fan assembly are both arranged in the foamed plastic shell, the filter screen assembly is limited through the filter screen guide groove, and the filter screen assembly can slide along the filter screen guide groove to be used for dismounting the filter screen assembly. According to the novel fan, the foam plastic is used as the shell, extra sheet metal parts are not needed, and the filter screen is convenient to replace.

Description

New fan

Technical Field

The invention belongs to the field of fresh air fans, and particularly relates to a fresh air fan.

Background

The fresh air machine is an effective air purification device, can circulate indoor air, on one hand, discharges dirty indoor air outdoors, and on the other hand, inputs outdoor fresh air into the room after measures such as sterilization, disinfection, filtration and the like, so that the air in the room is fresh and clean at every moment.

Most of the shells of the existing fresh air fans are made of iron materials and need to be subjected to spraying, acid washing and other treatments. And the installation of iron new fan casing itself and the installation of inner structure all need extra sheet metal component, not only needs extra material, and weight is big moreover, increases installation time and cost.

Disclosure of Invention

The invention aims to provide a fresh air fan, which adopts foamed plastic as a shell, does not need additional sheet metal parts and is convenient to replace a filter screen.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a fresh air fan which comprises a foamed plastic shell, a foamed plastic door plate, a filter screen assembly and a fan assembly, wherein at least one filter screen guide groove is formed in the foamed plastic shell, a through hole communicated with the filter screen guide groove is formed in the side wall of the foamed plastic shell, the door plate is detachably connected in the through hole and seals the through hole, the filter screen assembly and the fan assembly are both arranged in the foamed plastic shell, the filter screen assembly is limited through the filter screen guide groove, and the filter screen assembly can slide along the filter screen guide groove and is used for dismounting the filter screen assembly.

Preferably, at least one air inlet groove is formed in one side wall of the foamed plastic shell, an air inlet pipe is installed in each air inlet groove, at least one air outlet groove is formed in the other side wall of the foamed plastic shell, an air outlet pipe is installed in each air outlet groove, positioning blocks are arranged inside each air inlet groove and each air outlet groove, at least one positioning groove is formed in each air inlet pipe and each air outlet pipe, the positioning grooves are matched with the positioning blocks, the filter screen assembly is close to the air inlet pipe, and the fan assembly is close to the air outlet pipe.

Preferably, the screen assembly includes a primary screen, a secondary screen, and a high efficiency screen.

Preferably, the fan subassembly includes centrifugal fan, fixed plate and spiral case, and the fixed plate is fixed in the inside of foamed plastic shell, and centrifugal fan is fixed in on the fixed plate, and the spiral case is fixed in the inside of foamed plastic shell and surrounds including centrifugal fan, and the air-out end and the at least one play tuber pipe intercommunication of spiral case.

Preferably, the electric fan further comprises a capacitor, a wiring terminal row and an electric control box, wherein the electric control box is arranged on the outer side wall of the foamed plastic shell, the capacitor and the wiring terminal row of the centrifugal fan are both arranged inside the electric control box, the electric control box is fixed on the outer side wall of the foamed plastic shell, and the electric control box is electrically connected with the centrifugal fan.

Preferably, hoisting holes are formed at the corners of the foam plastic shell.

Preferably, the foam plastic shell at the position of each hoisting hole is provided with a first reinforcing rib.

Preferably, the foamed plastic door plant includes plate body and fixture block, and the left and right sides wall of plate body all has at least one fixture block, and at least one draw-in groove has all been seted up to the foamed plastic shell's of the through-hole left and right sides lateral wall, and draw-in groove and fixture block joint cooperation, the inside wall of plate body have spacing.

Preferably, the foamed plastic shell comprises a foamed plastic upper shell and a foamed plastic lower shell which are detachably connected into a whole, a first boss is arranged at the top of the foamed plastic lower shell, and a first slot which is in plug-in fit with the first boss is formed in the bottom of the foamed plastic upper shell.

Preferably, the interior of the lower foam plastic shell is provided with a wind breaking structure, and the wind breaking structure is arranged on the inner side of the air outlet groove.

Preferably, the wind breaking structure comprises a wind guide platform and a wind breaking sheet, the top of the wind guide platform is provided with an inclined plane for guiding wind, and the wind breaking sheet is fixed on the top of the inclined plane.

Preferably, a second boss for inserting and matching with the volute is fixed inside the lower foam plastic shell.

Preferably, the fixing groove is opened at the inner part of the foam plastic lower casing, and the second projection encloses the fixing groove.

Preferably, the wire casing is seted up to the inside of foamed plastic inferior valve, and in partly extended to the fixed slot of wire casing, another part of wire casing passed the second boss, and extended to the outside of second boss.

Preferably, a # -shaped reinforcing rib is fixed inside the foam plastic upper shell.

Preferably, the side wall of the foam plastic upper shell is provided with at least one groove.

Preferably, the upper foam shell, the lower foam shell and the door panel are all integrally formed by EPP or EPS in an injection molding mode.

The invention has the beneficial effects that:

1. the arrangement of the foam plastic shell and the foam plastic door plate is adopted, all structures required in the installation process are integrally formed in the forming process, extra sheet metal parts are not needed, the foam plastic material is light in weight, low in cost, environment-friendly and heat-insulating.

2. The filter screen assembly is convenient to disassemble and assemble by the aid of the filter screen guide grooves, the filter screen guide grooves have installation limiting and guiding functions, when the filter screen assembly needs to be disassembled, the foam door plate only needs to be pulled forwards to take down the foam door plate, then the filter screen assembly is pulled forwards until the foam shell is taken out, operation is very simple and convenient, and additional tools such as a screwdriver are not needed.

3. The hoisting holes of the whole machine are adopted to replace the traditional sheet metal lifting lugs, the self structure of the foam plastic shell is utilized to hoist, no extra material is added, and the cost is effectively reduced.

4. The filter screen assembly is further limited in the left and right directions through the limiting strips, and the filter screen assembly is limited in the front and back directions through the inner side wall of the plate body, so that the installation stability is improved.

5. Through the matching of the first boss and the first slot, gas leakage can be effectively prevented; through the groove cooperation on second boss and the spiral case, effectively isolated air inlet and the air-out of fan.

6. The noise in the air outlet process can be effectively reduced through the wind breaking structure.

7. Through the arrangement of the wire slots, the motor wires are hidden inside the foam plastic shell, so that the wind can be more smoothly discharged.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective exploded view of the present invention.

FIG. 3 is a schematic top view of the present invention (except for the foam top case).

Fig. 4 is an enlarged schematic view of a in fig. 3.

FIG. 5 is a schematic perspective exploded view of a foam skin and a foam door panel according to the present invention.

Fig. 6 is a perspective view illustrating the construction of the lower foam case according to the present invention.

FIG. 7 is a schematic top view of the lower foam case of the present invention.

Fig. 8 is a front view schematically illustrating the construction of the lower foam case according to the present invention.

FIG. 9 is a schematic perspective view of the foam top case of the present invention.

Fig. 10 is a schematic top view of the structure of fig. 9.

Fig. 11 is a front view of the structure of fig. 9.

The labels in the figures are: 100-foam plastic shell, 200-foam plastic door panel, 1-filter screen guide groove, 2-through hole, 3-hoisting hole, 4-plate body, 5-clamping block, 6-clamping groove, 7-air inlet groove, 8-air outlet groove, 9-positioning block, 10-first reinforcing rib, 11-foam plastic upper shell, 12-foam plastic lower shell, 13-first boss, 14-first slot, 15-wind breaking structure, 151-wind guide platform, 152-wind breaking sheet, 16-second boss, 17-fixing groove, 18-wire groove, 19- # -shaped reinforcing rib, 20-groove, 21-filter screen component, 211-primary filter screen, 212-intermediate filter screen, 213-high-efficiency filter screen, 22-fan component, 221-centrifugal fan, 222-fixing plate, 223-volute, 23-air inlet pipe, 24-air outlet pipe, 25-positioning groove, 26-capacitor, 27-wiring terminal row, 28-electric control box and 201-limiting strip.

Detailed Description

The invention will now be further described with reference to the drawings and the detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 11, this embodiment provides a new fan, including foamed plastic shell 100, foamed plastic door plant 200, filter screen subassembly 21, and fan subassembly 22, foamed plastic shell 100's inside has three filter screen guide slot 1, foamed plastic shell 100's preceding lateral wall is seted up with through-hole 2 of filter screen guide slot 1 intercommunication, foamed plastic door plant can dismantle to be connected in through-hole 2 and seal through-hole 2, filter screen subassembly 21 and fan subassembly 22 are all installed in foamed plastic shell 100's inside, filter screen subassembly 21 carries on spacingly through filter screen guide slot 1, filter screen subassembly 21 can follow filter screen guide slot 1 and slide so as to do benefit to filter screen subassembly 21's dismouting. By adopting the arrangement of the foam plastic shell and the foam plastic door plate 200, all structures required in the installation process are integrally formed in the forming process without additional sheet metal parts, and the foam plastic door plate is light in weight, low in cost, environment-friendly and heat-insulating. Setting up through filter screen guide slot 1 is convenient for carry out the dismouting to filter screen subassembly 21, and filter screen guide slot 1 plays the spacing and guide effect of installation, when filter screen subassembly 21 need be dismantled, only need to pull foam door plant 200 forward and take off foam door plant 200, then pull filter screen subassembly 21 forward until take out foam shell 100 can, the operation is very simple and convenient, need not extra tools such as screwdriver.

Further, an air inlet groove 7 has been seted up to the left side wall of foamed plastic shell 100, install an air-supply line 23 in the air inlet groove 7, an air outlet groove 8 has been seted up to foamed plastic shell 100's right side wall, install an air-out pipe 24 in the air outlet groove 8, the inside of air inlet groove 7 and air outlet groove 8 all is equipped with locating piece 9, four constant head tanks 25 have all been seted up on air-supply line 23 and the air-out pipe 24, constant head tank 25 and locating piece 9 cooperation, setting through locating piece 9, can fix a position fast, fixed air-supply line 23 and air-out pipe 24. The filter screen assembly 21 is arranged close to the air inlet pipe 23, the fan assembly 22 is arranged close to the air outlet pipe 24, namely, the filter screen assembly 21 is positioned on the left side, and the fan assembly 22 is positioned on the left sideRight side. In this embodiment, the air inlet pipe 23 and the air outlet pipe 24 are made of PP material

Rotating device

The wind gap makes things convenient for the customer to install.

Further, the screen assembly 21 includes a primary filter screen 211, a secondary filter screen 212, and a high efficiency filter screen 213, which are sequentially disposed from left to right. Specifically, the primary filter screen 211 is G4 grade and is used for preventing mosquitoes or catkin and other allergens from flying in and reducing blocking risks, the intermediate filter screen 212 is F8 grade and is used for filtering PM10 pollen allergens, the filtering efficiency reaches 96.5 percent, the burden of the subsequent high-efficiency filter screen 213 is reduced, the service life of the high-efficiency filter screen 213 is prolonged, the high-efficiency filter screen 213 is H13 grade and is used for strong sterilization and PM2.5 removal, the filtering efficiency of particles above the PM2.5 of the whole machine exceeds 99.9 percent, H13 medical filter paper is arranged in the filter screen, the filtering efficiency of the particles above PM0.3 is greater than 99.7 percent, and bacteria are removed strongly, such as the bacteria removal rate of escherichia coli, staphylococcus aureus and candida albicans reaches 99.9 percent.

Further, the fan assembly 22 includes a centrifugal fan 221, a fixing plate 222, and a volute 223, the fixing plate 222 is fixed inside the foam plastic casing 100, the centrifugal fan 221 is fixed on the fixing plate 222, the volute 223 is fixed inside the foam plastic casing 100 and surrounds the centrifugal fan 221, and an air outlet end of the volute 223 is communicated with an air outlet pipe 24. In this embodiment, the volute 223 is made of EPP material and serves as a fan duct, the fixing plate 222 is a galvanized plate, and T is 1.0 mm.

Further, the fan control device further comprises a capacitor 26, a terminal block 27 and an electric control box 28, the electric control box 28 is arranged on the outer side wall of the foamed plastic shell 100, the capacitor 26 and the terminal block 27 of the centrifugal fan 221 are both installed inside the electric control box 28, the electric control box 28 is fixed on the outer side wall of the foamed plastic shell 100, and the electric control box 28 is electrically connected with the centrifugal fan 221. In this embodiment, the fan is an AC forward-tilting centrifugal fan 221, and the capacitor 26 is a CBB61 start capacitor 26-a stage.

Further, hoisting hole 3 has been seted up at the edge of foamed plastic shell 100, adopts the hoisting hole 3 of complete machine, replaces traditional panel beating lug, utilizes foamed plastic shell 100 structure itself to do the hoist and mount, does not increase unnecessary material, effective reduce cost.

Further, the foamed plastic door panel 200 includes plate body 4 and fixture block 5, and the left and right sides wall of plate body 4 all has two fixture blocks 5, and two draw-in grooves 6 have all been seted up to the lateral wall of the foamed plastic shell 100 of the 2 left and right sides of through-hole, and draw-in groove 6 and fixture block 5 joint cooperation. The rapid disassembly and assembly of the foam plastic door plate 200 are realized through the clamping of the clamping block 5 and the clamping groove 6.

Further, the inside wall of plate body 4 has two spacing 201, and it is spacing to further control filter screen assembly 21 through setting up of spacing 201, and it is spacing around the inside wall that reunion plate body 4 carries out filter screen assembly 21, improves installation stability.

Further, the foam plastic shell 100 at the position of each hoisting hole 3 is provided with a first reinforcing rib 10. Through the arrangement of the first reinforcing ribs 10, the strength of the whole machine during hoisting is effectively improved.

Further, the foam plastic housing 100 comprises a foam plastic upper shell 11 and a foam plastic lower shell 12 which are detachably connected into a whole, a first boss 13 is arranged at the top of the foam plastic lower shell 12, and a first slot 14 which is in plug-in fit with the first boss 13 is arranged at the bottom of the foam plastic upper shell 11. Through the cooperation of first boss 13 and first slot 14, can effectively prevent gas leakage.

Further, the interior of the lower foam plastic shell 12 is provided with a wind breaking structure 15, specifically, the wind breaking structure 15 includes a wind guide platform 151 and a wind breaking sheet 152, the top of the wind guide platform 151 is provided with an inclined surface for guiding wind, the wind breaking sheet 152 is fixed on the top of the inclined surface, and the wind breaking structure 15 is arranged on the inner side of the air outlet groove 8. The noise generated by the wind can be effectively reduced by the wind breaking structure 15.

Further, the inside of the foamed plastic lower shell 12 is fixed with a second boss 16 which is used for being matched with the volute 223 in an inserting mode, and air inlet and air outlet of the fan are effectively isolated through the matching of the second boss and the groove on the volute 223.

Further, the fixing groove 17 is formed in the lower foam plastic shell 12, and the second protrusion 16 surrounds the fixing groove 17 to fix the fixing plate 222.

Furthermore, a wire casing 18 is formed in the lower foam plastic shell 12, the right portion of the wire casing 18 extends into the fixing groove 17, and the left portion of the wire casing 18 passes through the second boss 16 and extends to the outside of the second boss 16. Through the arrangement of the wire slot 18, the motor wire is hidden inside the foam plastic shell 100, so that the wind can be more smoothly discharged.

Furthermore, a # -shaped reinforcing rib 19 is fixed inside the foam plastic upper shell 11. Effectively increase the intensity of foam plastic upper shell 11, reduce foam plastic upper shell 11 thickness, reduce material cost.

Furthermore, two grooves 20 are formed on the side wall of the foam plastic upper shell 11. And the double-groove 20 design is adopted, so that the material is reduced, and the cost is reduced.

Further, the upper foam case 11, the lower foam case 12, and the door panel 200 are formed by integral injection molding of EPP. And the integrated forming is adopted, and an additional sheet metal structure is not needed.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A new fan which characterized in that:

comprises a foam plastic shell, a foam plastic door plate, a filter screen component and a fan component;

the foam plastic shell is internally provided with at least one filter screen guide groove;

the side wall of the foamed plastic shell is provided with a through hole communicated with the filter screen guide groove, and the door plate is detachably connected in the through hole and seals the through hole;

the filter screen assembly and the fan assembly are both arranged inside the foam plastic shell, the filter screen assembly is limited through the filter screen guide groove, and the filter screen assembly can slide along the filter screen guide groove to be used for dismounting the filter screen assembly;

the fan assembly comprises a centrifugal fan, a fixing plate and a volute;

the fixed plate is fixed inside the foamed plastic shell, the centrifugal fan is fixed on the fixed plate, the volute is fixed inside the foamed plastic shell and surrounds the centrifugal fan, and the air outlet end of the volute is communicated with at least one air outlet pipe;

the foam plastic shell comprises a foam plastic upper shell and a foam plastic lower shell which are detachably connected into a whole;

the top of the lower foam plastic shell is provided with a first boss, and the bottom of the upper foam plastic shell is provided with a first slot which is in plug-in fit with the first boss;

a second boss which is used for being in splicing fit with the volute is fixed inside the foam plastic lower shell;

a fixing groove is formed in the lower foam plastic shell, and the fixing groove is surrounded by the second boss;

a wire groove is formed in the lower foam plastic shell, one part of the wire groove extends into the fixing groove, and the other part of the wire groove penetrates through the second boss and extends to the outside of the second boss;

a # -shaped reinforcing rib is fixed inside the foamed plastic upper shell;

at least one groove is formed in the side wall of the foamed plastic upper shell;

the interior of the foamed plastic lower shell is provided with a wind breaking structure which is arranged on the inner side of the air outlet groove;

the wind breaking structure comprises a wind guide platform and a wind breaking sheet;

the top of the air guide platform is provided with an inclined plane for guiding air, and the top of the inclined plane is fixed with the air breaking sheet.

2. The new fan in accordance with claim 1, characterized in that:

at least one air inlet groove is formed in one side wall of the foamed plastic shell, and an air inlet pipe is installed in each air inlet groove;

at least one air outlet groove is formed in the other side wall of the foamed plastic shell, and an air outlet pipe is mounted in each air outlet groove;

positioning blocks are arranged inside the air inlet groove and the air outlet groove;

the air inlet pipe and the air outlet pipe are respectively provided with at least one positioning groove, and the positioning grooves are matched with the positioning blocks;

the filter screen assembly is close to the air inlet pipe, and the fan assembly is close to the air outlet pipe.

3. The new fan in accordance with claim 1, characterized in that:

the filter screen subassembly includes primary filter screen, well effect filter screen and high-efficient filter screen.

4. The new fan of claim 1, characterized in that:

the device also comprises a capacitor, a wiring terminal strip and an electric control box;

the electric control box is arranged on the outer side wall of the foamed plastic shell, and the capacitor and the wiring terminal row of the centrifugal fan are both arranged in the electric control box;

and an electric control box is fixed on the outer side wall of the foam plastic shell and is electrically connected with the centrifugal fan.

5. The new fan in accordance with claim 1, characterized in that:

hoisting holes are formed in the corners of the foamed plastic shell;

and the foam plastic shell at the position of each hoisting hole is provided with a first reinforcing rib.

6. The new fan of claim 1, characterized in that:

the foamed plastic door plate comprises a plate body and a clamping block;

the left side wall and the right side wall of the plate body are respectively provided with at least one clamping block;

the side walls of the foam plastic shells on the left side and the right side of the through hole are respectively provided with at least one clamping groove;

the clamping groove is clamped and matched with the clamping block;

the inside wall of plate body has spacing strip.

7. The new fan in accordance with claim 1, characterized in that:

the upper foamed plastic shell, the lower foamed plastic shell and the door plate are all integrally formed by EPP or EPS in an injection molding mode.