CN113440972B - Purification device and method for manufacturing purification device - Google Patents
Purification device and method for manufacturing purification device Download PDFInfo
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- CN113440972B CN113440972B CN202010472131.5A CN202010472131A CN113440972B CN 113440972 B CN113440972 B CN 113440972B CN 202010472131 A CN202010472131 A CN 202010472131A CN 113440972 B CN113440972 B CN 113440972B
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- circuit board
- timing circuit
- housing
- purification device
- upper cover
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- 238000000746 purification Methods 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 12
- 239000003292 glue Substances 0.000 claims abstract description 40
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 239000012768 molten material Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1122—Metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
本发明提供一种净化装置，其包括壳体、置于所述壳体内的净化模块和寿命提示模块，所述壳体包括主壳体，所述主壳体具有顶部、与所述顶部相对的底部以及连接所述顶部和所述底部的侧壁，所述净化模块置于所述顶部和所述底部之间，所述寿命提示模块包括计时电路板，所述顶部上连接有上盖，所述上盖内侧设置有支撑筋，所述计时电路板支撑在所述支撑筋上以在所述上盖和所述计时电路板之间形成间隙，所述间隙中填充有防水胶，所述计时电路板朝向所述底部的表面涂覆有防水胶；本发明还提供一种净化装置的制造方法。
The present invention provides a purification device, which comprises a shell, a purification module and a life prompt module placed in the shell, the shell comprises a main shell, the main shell has a top, a bottom opposite to the top and a side wall connecting the top and the bottom, the purification module is placed between the top and the bottom, the life prompt module comprises a timing circuit board, an upper cover is connected to the top, support ribs are arranged on the inner side of the upper cover, the timing circuit board is supported on the support ribs to form a gap between the upper cover and the timing circuit board, the gap is filled with waterproof glue, and the surface of the timing circuit board facing the bottom is coated with waterproof glue; the present invention also provides a manufacturing method of the purification device.
Description
Technical Field
The invention relates to the field of deodorization and sterilization, in particular to a purification device and a manufacturing method of the purification device.
Background
At present, a refrigerator is a necessary household appliance for a household, and most of food materials in the household are often stored in the refrigerator by a user. Because different kinds of food materials emit different tastes, when a plurality of food materials are stored in the refrigerator, the smell of the plurality of food materials is mixed, and unpleasant and pungent smell is often generated. Meanwhile, the interior of the refrigerator is complicated in food storage, so that bacteria are easy to breed to cause damage to the health of users.
In order to eliminate peculiar smell and bacteria in the refrigerator, a purifying device is often placed in the refrigerator, a wind hole is formed in a shell of the purifying device, and cold air in the refrigerator enters the purifying device through the wind hole and flows into the refrigerator after being purified by a purifying module such as active carbon. The purification module inside the purification device may fail after a long time use, and thus, the life-prompting module may be installed inside the purification device. However, because the refrigerator has more water vapor, the service life prompting module is easy to be in short circuit failure.
Disclosure of Invention
The invention provides a purification device and a manufacturing method of the purification device, which can prevent water vapor from damaging a life prompting module in the purification device.
The purification device comprises a shell, a purification module and a service life prompting module, wherein the purification module and the service life prompting module are arranged in the shell, the shell comprises a main shell, the main shell is provided with a top, a bottom opposite to the top and a side wall connecting the top and the bottom, the purification module is arranged between the top and the bottom, the service life prompting module comprises a timing circuit board, an upper cover is connected to the top, a supporting rib is arranged on the inner side of the upper cover, the timing circuit board is supported on the supporting rib to form a gap between the upper cover and the timing circuit board, waterproof glue is filled in the gap, and the surface of the timing circuit board, facing the bottom, is coated with the waterproof glue.
Preferably, the timing circuit board is circular, the supporting ribs comprise at least two sections of arc rib plates arranged at intervals, and the arc rib plates are supported at the edge of the timing circuit board.
Preferably, the life prompting module further comprises an indicator light and a light guide piece, the light guide piece is provided with a light gathering part, the indicator light is arranged in the light gathering part, the light guide piece is arranged in the gap, and the light guide piece and the arc rib plates are distributed at intervals and are arranged at the edge of the timing circuit board.
Preferably, the light guide member is provided with a positioning hole, the cross-sectional area of the positioning hole near one side of the upper cover is smaller than that of the other side, the upper cover is provided with a positioning column matched with the positioning hole, the length of the positioning column is larger than that of the positioning hole, and the positioning column is filled with molten material in the positioning hole after being subjected to hot melting.
Preferably, the positioning hole comprises a matching part and a material containing part, the matching part is close to one side of the upper cover, the matching part is matched with the positioning column in shape, and the material containing part is trapezoidal in cross section along the height direction parallel to the positioning hole.
Preferably, a clamping hook is further arranged on the inner side of the upper cover, the clamping hook is arranged along the edge of the timing circuit board at intervals with the arc-shaped rib plates, a notch matched with the clamping hook is formed in the edge of the timing circuit board, and the clamping hook is hooked on the surface of the timing circuit board.
Preferably, the purification module is supported between the top and the bottom, and the upper cover is further provided with a limiting plate abutting against the purification module.
Preferably, the life prompting module further comprises a battery for supplying power to the timing circuit board and a timing control switch for connecting or disconnecting the battery with the electrical connection on the timing circuit board, the timing circuit board and the connection circuit of the battery are provided with a first electrical contact and a second electrical contact which are disconnected, the timing control switch comprises a control spring piece and a contact spacer penetrating through the shell, one end of the control spring piece is fixed on the timing circuit board and is electrically connected with the first electrical contact, the other end of the control spring piece is cantilever-shaped and is provided with a protrusion facing the second electrical contact, and one end of the contact spacer is arranged between the protrusion and the second electrical contact so as to block the electrical connection between the protrusion and the second electrical contact.
Preferably, the timing circuit board is provided with a through hole, the upper cover is provided with a screw column corresponding to the through hole, the first electric contact is arranged at the through hole, and one end of the control spring plate is fixed to the screw column through a screw and is electrically connected with the first electric contact through the screw.
Preferably, the control spring plate is L-shaped, one end of the control spring plate is provided with a folded edge bent downwards, and the timing circuit board is provided with a slotted hole matched with the folded edge.
Another embodiment of the present invention provides a method for manufacturing a purification apparatus, including the steps of:
placing the timing circuit board on a supporting rib on the inner side of the shell;
and filling waterproof glue in a gap between the shell and the timing circuit board and coating the waterproof glue on the surface of the timing circuit board facing the bottom of the shell.
Preferably, before the step of placing the timing circuit board on the support rib inside the housing, the method further comprises the steps of:
matching a positioning hole of the light guide piece with a positioning column on the shell to mount the light guide piece at a preset position;
And the positioning column is melted by hot melting so that the molten material of the positioning column is filled in the positioning hole.
Preferably, before the step of filling the waterproof glue in the gap between the housing and the timing circuit board and coating the surface of the timing circuit board facing the bottom of the housing with the waterproof glue, the method further comprises the steps of:
inserting the through hole on the timing circuit board into the screw column of the shell;
and inserting the folded edge at one end of the control spring plate into the slotted hole on the timing circuit board, and fixing the control spring plate by using a screw.
Preferably, the step of placing the timing circuit board on the support rib inside the case includes the steps of:
matching a notch on the timing circuit with a clamping hook on the inner side of the shell;
pressing the timing circuit board causes the clamping hook to elastically deform so as to fix the timing circuit board on the supporting rib.
According to the purification device and the manufacturing method of the purification device, the waterproof glue is coated on one side, away from the upper cover, of the timing circuit board of the refrigerator, which is filled with the waterproof glue, in the gap between the timing circuit board and the upper cover, so that the timing circuit board can be prevented from being damaged by water vapor; meanwhile, the installation and the use of the timing control switch are not affected by the filling of the waterproof glue.
Drawings
FIG. 1 is a perspective view of a purification apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of the purification apparatus shown in FIG. 1;
FIG. 3 is a perspective view of an air deflector of the purification device shown in FIG. 1;
FIG. 4 is a perspective view of a light guide of the purification apparatus shown in FIG. 1;
FIG. 5 is a cross-sectional view of the light guide shown in FIG. 4;
FIG. 6 is a perspective view of the upper cover of the purification device shown in FIG. 1;
FIG. 7 is a schematic diagram showing an assembled state of the upper cover and the life prompting module of the purifying apparatus shown in FIG. 1;
FIG. 8 is an exploded view of the top cover and the life indicator module of the purification device shown in FIG. 7;
FIG. 9 is a perspective view of a base of the purification apparatus shown in FIG. 1;
FIG. 10 is a perspective view of the base of FIG. 9 from another perspective;
Fig. 11 is a schematic view of a handle of the purification device of fig. 1.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the purifying device includes a housing and a purifying module installed in the housing, wherein a plurality of air holes are formed in the housing, and the purifying module can be a physical or chemical module such as activated carbon, nano silver and the like for adsorbing peculiar smell or bacteria in the refrigerator. When the purification device is installed in the refrigerator, the gas with peculiar smell in the refrigerator enters the inside of the shell through the air holes in the shell and flows through the purification module to return to the refrigerator.
In one embodiment of the invention, a plurality of air holes on the shell form a convergent shape penetrating through the purification module from outside to inside, so that the cold air entering the interior of the shell is ensured to completely penetrate through the purification module inside, and the purification effect is improved. Preferably, the shell is in a truncated cone shape, the purification module is arranged at the middle position of the inner side of the shell along the radial direction, and at least part of the wind holes penetrate through the center of the bottom of the shell from the outside to the inside in the extending direction. When the shell is in a round table shape, the bottom of the shell is circular, and the area of the top of the shell is smaller than that of the bottom.
Further, the housing includes a main housing 30, the main housing 30 having a top, a bottom opposite the top, and a sidewall connecting the top and the bottom, and the purification module is disposed between the top and the bottom of the main housing 30. The housing further includes an air deflector 20, the air deflector 20 being connected to an opening at the top of the main housing 30, and a plurality of air holes being formed in the air deflector 20 and/or a sidewall of the main housing 30.
Specifically, in this embodiment, the air holes are formed in the side walls of the air deflector 20 and the main housing 30 along the circumferential direction, the air holes in the air deflector 20 form the top surface air port 203, the air holes in the side walls form the side surface air port 301, and the air holes forming the top surface air port 203 and the side surface air port 301 are all convergent. An angle between an extending direction of a part of the wind holes formed on the wind deflector 20 from outside to inside and an extending direction of a part of the wind holes formed on the side wall from outside to inside is 80-100 degrees. Specifically, the main casing 30 is in a shape of a truncated cone, and the included angle between the top air port 203 and the side air port 301, which are respectively disposed at two sides of the central axis of the main casing 30, is between 80 degrees and 100 degrees, preferably 90 degrees, in the extending direction from outside to inside.
Because the wind direction in the refrigerator is fixed, one of the top surface air port 203 and the side surface air port 301 forms a main air inlet, the other forms a main air outlet, and most of air flow enters the inside of the shell of the purification device through the main air inlet, and is discharged into the refrigerator through the main air outlet after internal circulation. When the user changes purifier's direction of placing, purifier's main air intake and main air outlet position exchange, and top surface wind gap 203 and side wind gap 301 all are the form of gathering, guarantee that the user no matter what kind of mode is placed purifier, and purifier all has the best air intake that corresponds, and the wind that gets into inside the casing homoenergetic and pass purification module.
And the side air port 301 and the top air port 203 are arranged in different directions, especially when the included angle between the top air port 203 and the side air port 301 is 80-100 degrees, the top air port 203 and the side air port 301 are nearly vertical, so that the cold air purified by the purification module can be prevented from flowing back into the shell.
In another embodiment of the present invention, the direction of extension of the air holes on the housing from outside to inside forms an acute angle with the vertical direction from the top to the bottom of the main housing 30. Preferably, the main casing is in a shape of a circular table, the top and the bottom of the main casing 30 are both circular, and at least part of the wind holes penetrate through the center of the bottom of the main casing 30 from the outside to the inside. Therefore, the wind entering the shell flows in the same direction and passes through the purification module, and the purification effect is good.
Further, a plurality of wind holes are provided on the wind deflector 20 and/or the side wall of the main housing 30. The wind holes provided on the side wall of the main casing 30 form side wind ports 301, and the wind holes provided on the wind deflector 20 form top wind ports 203. Specifically, in this embodiment, the included angle between the extending direction of the side air port 301 from outside to inside and the central axis of the housing is an acute angle, and the included angle between the extending direction of the top air port 203 from outside to inside and the central axis of the housing is an acute angle, so, when the user places the purifying device in different directions to cause the conversion between the main air inlet and the main air outlet, the user can ensure that the cold air passes through the purifying module, and a better purifying effect is achieved.
Further, the air holes are formed on the air deflector 20 and the side wall of the main housing 30, and the included angle between the extending direction of at least a part of the air holes formed on the air deflector 20 from outside to inside and the extending direction of at least a part of the air holes formed on the side wall of the main housing 30 from outside to inside is 80-100 degrees, specifically, the included angle between the extending direction of the top air port 203 and the side air port 301 respectively disposed on the two sides of the central axis of the main housing 30 from outside to inside is 80-100 degrees, preferably 90 degrees, so that the air inlet direction and the air outlet direction of most of the air flows are nearly vertical, and the air can be prevented from flowing back into the housing.
Further, at least two air deflectors 20 are provided, and at least two air deflectors 20 are overlapped. The wind holes are formed in the at least two wind deflectors 20, and the wind holes in the two wind deflectors 20 are correspondingly communicated, so that the length of the top surface wind gap 203 can be prolonged through the plurality of wind deflectors 20, the internal wind path is further prolonged, and the evolution effect is enhanced.
Specifically, the air deflector 20 includes a first air deflector 201 and a second air deflector 202, where the first air deflector 201 and the main housing 30 are integrally formed, and the second air deflector 202 is stacked on a side of the first air deflector 201 facing away from the bottom of the main housing 30. Specifically, the first air deflector 201 is disposed inside the main housing 30, and a space is left between the first air deflector 201 and the top of the main housing 30, that is, the edge of the side wall of the main housing 30 facing the top is higher than the first air deflector 201, a concave space is formed between the side wall of the main housing 30 and the first air deflector 201, and the second air deflector 202 is mounted in the concave space. Thus, the installation of the plurality of air deflectors 20 is facilitated, and the second air deflectors 202 can be replaced with different colors according to the preference of the user, so that the attractiveness of the purification device is improved.
Further, referring to fig. 2 and 3, the first air deflector 201 and the second air deflector 202 are both annular, the inner rings of the first air deflector 201 and the second air deflector 202 are arranged in a non-central symmetry manner, the second air deflector 202 is provided with a flange 205 arranged along the edge of the inner ring, the flange 205 is turned over towards the first air deflector 201, and when in an assembled state, the flange 205 is tightly attached to the edge of the inner ring of the first air deflector 201. In this way, the inner ring is arranged to be non-centrosymmetric, so that the first air deflector 201 and the second air deflector 202 are positioned conveniently during installation, and the installation error is reduced.
Further, referring to fig. 1 to 3, the housing further includes an upper cover 10, the upper cover 10 is mounted above the wind deflector 20, and an edge of the upper cover 10 covers a portion of the plurality of wind holes. Specifically, the upper cover 10 is attached to the top of the main casing 30 and mounted outside the air deflector 20 to cover the inner ring of the air deflector 20, and the edge of the upper cover 10 covers a part of the top tuyere 203. The upper cover 10 is circular, a plurality of wind holes forming the top surface wind gap 203 are distributed along the circumference of the wind deflector 20, and the connecting line of the centers of the plurality of wind holes is circular, the edge of the upper cover 10 covers a part of the top surface wind gap 203, namely, the edge of the upper cover 10 covers the edge of the wind holes formed on the wind deflector 20, thus, the influence on the visual effect caused by the uneven upper and lower wind holes due to the manufacturing error of the plurality of wind deflectors 20 can be prevented.
The second air deflector 202 is provided with a claw towards one side of the first air deflector 201, the first air deflector 201 is provided with a corresponding opening, and the second air deflector 202 is fixed on the first air deflector 201 through the claw. Referring to fig. 6, the upper cover 10 is provided at an inner side thereof with a fixing hook 105. In the assembled state, the fixing hooks 105 are distributed along the inner edge of the air deflector 20, and when the upper cover 10 is assembled to the air deflector 20, the fixing hooks 105 are fastened to the surface of the first air deflector 201 facing the bottom. Thus, the upper cover 10 and the air deflector 20 are installed through the hidden hook structure, and the appearance attractiveness is improved.
Further, referring to fig. 3 to 8, a life prompting module is further installed at the inner side of the upper cover 10. The annular inner edges of the first air deflector 201 and the second air deflector 202 are provided with grooves 206, and a part of the service life prompting module is arranged in the grooves 206 of the first air deflector 201 and the second air deflector 202 and is designed in a shape matching with the inner edges of the grooves 206, so that the whole structure is compact.
Referring to fig. 5 to 8, a support rib 101 is disposed in the upper cover 10, and the support rib 101 is supported on the edge of the life prompting module so that a gap is left between the life prompting module and the upper cover 10. Specifically, the life prompting module includes a timing circuit board 60 provided with a timing circuit, an indicator lamp provided on a side of the timing circuit board 60 facing the upper cover 10, and a light guide 50 fixed between the upper cover 10 and the timing circuit board 60. The light guide 50 is provided with a light condensing part 501, and the indicator lamp is arranged in the light condensing part 501 to improve the lighting effect of the indicator lamp. The timing circuit board 60 is supported on the supporting ribs 101 to form a gap with the upper cover 10, and waterproof glue is filled between the upper cover 10 and the timing circuit board 60 to prevent water vapor from damaging the timing circuit board 60. The light guide 50 is disposed between the timing circuit board 60 and the upper cover 10. Specifically, the timing circuit board 60 is circular, the supporting rib 101 includes two sections of arc rib plates distributed at intervals, the outline of the light guide member 50 is quadrilateral, one side is arc-shaped, and when in an assembled state, the edge of the arc-shaped side of the light guide member 50 exceeds the edge of the timing circuit board 60.
Referring to fig. 2 to 4, the grooves 206 of the annular inner edges of the first air guide plate 201 and the second air guide plate 202 include circular arc surfaces, and the circular arc sides of the light guide 50 are matched with the circular arc surfaces of the grooves 206 in shape. Specifically, the inner ring of air deflector 20 includes a major arc 207 concentric with the outer ring, a minor arc 208 concentric with the outer ring, and two connecting arcs 209 connecting major arc 207 and minor arc 208, the radius of minor arc 208 being greater than the radius of major arc 207, the portions between minor arc 208 and two connecting arcs 209 forming grooves 206 at the inner edge of air deflector 20. The life prompting module is installed on one side close to the minor arc 208, the arc-shaped edge of the light guide 50 is the same as the curvature of the minor arc 208, the light guide 50 is placed in the groove 206, and the arc-shaped edge is matched with the minor arc 208. Thus, when the upper cover 10 is installed, the inner rings of the light guide piece 50 and the air guide plate 20 can be positioned, the installation is convenient, the inner space of the shell is reasonably utilized, and the whole structure is compact.
Further, referring to fig. 3 and 6, the air deflector 20 is axisymmetrically disposed, a guide hole 204 is further disposed on the air deflector 20, and a guide post 104 matched with the guide hole 204 is disposed on the upper cover 10. Specifically, three guide holes 204 are provided, which are respectively located on the symmetry axis of the air deflector 20 and on two sides of the connecting arc 209 of the inner ring of the air deflector 20. Thus, the position of the guide hole 204 can be determined during processing and manufacturing, and manufacturing errors can be reduced. The efficiency of the housing mounting assembly can be further improved by the mating of the guide posts 104 and the guide holes 204.
Further, referring to fig. 2 and 9, the bottom of the main housing 30 is provided with an opening, and the housing further includes a base 40 mounted at the bottom opening of the main housing 30, and the purification module is supported on the base 40 with a gap between the purification module and the base 40, forming an air flow channel. The base 40 includes a base plate 401 and a support base provided on the base plate 401, the support base having a peripheral frame 403 and legs 402 extending downward from four corners of the peripheral frame 403. The feet 402 are formed with support blocks extending to the interior below the peripheral frame 403, and the purification module is supported on the support blocks of the feet 402 and is placed inside the peripheral frame 403. A gap is left between the bottom of the enclosure 403 and the bottom plate 401, and an air flow channel is formed between the purification module and the bottom plate 401. The purification module is a cube or a cuboid.
The bottom end of the side wall of the main housing 30 is provided with a convex rib 302 protruding toward the center of the main housing 30, and a guide plate 303 extending from the inner surface of the side wall toward the bottom, the base 40 further comprises a mounting rib plate 406 protruding toward the top along the edge of the bottom plate 401, the side wall of the mounting rib plate 406 is provided with a through hole 408 corresponding to the convex rib 302, and the base 40 is mounted on the main housing 30 through the cooperation of the through hole 408 and the convex rib 302. The side wall of the mounting rib plate 406 is provided with a broken guide notch 407, and the guide notch 407 is matched with the guide plate 303 to mount and position the base 40.
Referring to fig. 6, the inner surface of the upper cover 10 is further provided with a limiting plate 106, the limiting plate 106 is a rib plate extending from the upper cover 10 to the bottom and is abutted against the surface of the purification module, specifically, the limiting plate 106 is an arc rib plate, and when in an assembled state, the limiting plate 106 is placed in the inner ring of the air deflector 20.
In this way, the movement of the purification module is limited by the limiting plate 106 on the upper cover 10, the support legs 402 on the base 40 and the surrounding frame 403, and gaps are reserved between the purification module and the side walls of the upper cover 10, the air deflector 20, the base 40 and the main shell 30, so that the cold air is allowed to pass through, the cold air circulation inside the shell is facilitated, and the purification effect is improved.
When the user places the purification device in different directions, one of the top surface air port 203 and the side surface air port 301 forms a main air inlet and the other forms a main air outlet according to the wind direction in the refrigerator, so that after the cold air entering the inside of the shell from the top surface air port 203 or the side surface air port 301 passes through the purification module, the cold air flows through the airflow channel between the purification module and the bottom plate 401 and then flows outside the shell from the top surface air port 203 or the side surface air port 301, and a complete air path is formed, so that the purification effect is good.
Further, referring to fig. 2, a detachable handle 70 is further installed on the outer side of the base 40, when a user uses the refrigerator, the user can hang the purifying device on a bottle seat, a storage box, a shelf and other positions in the refrigerator through the handle 70, and can also detach the handle 70 and then place the purifying device on a rack horizontally, so that the refrigerator is flexible and convenient to use and convenient to replace. When the user hangs the purification apparatus using the handle 70 and removes the handle 70 to place the purification apparatus flat, the main air outlet and the main air inlet are interchanged.
Referring to fig. 9 to 11, the specific structure of the base 40 and the handle 70 is shown.
A handle 70 is mounted on the outside of the base 40. The base 40 is concavely formed with a fixing base 404 at the bottom surface of one side facing away from the main housing 30, a fixing structure 405 is formed on the fixing base 404, and the handle 70 is detachably connected to the fixing base 404 through the fixing structure 405. In this way, the fixing structure 405 for connecting the handle 70 is arranged in the fixing seat 404 concaved inwards on the base 40, so that the flatness of the bottom surface is not affected after the handle 70 is disassembled, and the purification device is conveniently placed in the refrigerator.
Further, the fixing structure 405 includes a fixing block 4052 protruding from the inner bottom surface of the fixing seat 404, the end portion of the handle 70 is in a U shape, when the handle 70 and the base 40 are in an assembled state, the fixing block 4052 is disposed between two side surfaces of the U-shaped end portion, a hook is disposed on at least one side wall of the U-shaped end portion, and a fixing slot 4051 matched with the hook is disposed on the fixing block 4052. The clamping hook is mounted and dismounted with the fixing seat 404 through self elastic force.
Further, the fixing base 404 has a receiving portion 4041 for receiving the U-shaped end portion of the handle 70, and a stopper 4042 protruding from an inner wall of one side of the receiving portion parallel to the fixing block 4052. The U-shaped end has hooks provided on only one side and the other side is placed between the stop 4042 and the fixed block 4052. The stop 4042 can enhance the stability of the connection of the handle 70 when the handle 70 is in an assembled state with the base 40; when the user wishes to remove the handle 70, the user can rotate the handle towards the side of the stop 4042 and pull the handle outwardly to disengage the catch from the base 40. Thus, the fixing of the handle 70 can be realized by only arranging the clamping hook on one side of the handle 70, and the assembly and disassembly of the handle are more labor-saving.
Further, the protruding end of the fixing block 4052 is arc-shaped, and the U-shaped end of the handle 70 has an arc-shaped connecting wall 701 matching with the arc-shaped end face of the fixing block 4052. In this way, when the user removes the handle 70, the handle 70 can be easily rotated, and the wear between the fixing block 4052 and the end of the handle 70 can be reduced.
One end of the stop block 4042, which is far away from the inner bottom surface of the fixed seat 404, extends from outside to inside in an inclined manner, so that when a user installs the handle 70, one side of the U-shaped end is conveniently inserted between the fixed block 4052 and the stop block 4042; when the user removes the handle 70, the user rotates the handle toward the block 4042, and when the handle 70 abuts against the block 4042, the inclined end of the block 4042 allows the user to continue to apply force so that the hook is separated from the locking relationship, thereby improving the convenience of removing the handle 70.
Further, the connecting wall 701 protrudes toward one side of the fixed block 4052 to form a limiting column 702, and the fixed block 4052 is provided with a limiting groove 4053 matched with the limiting column 702. The cooperation of the stop post 702 and the stop slot 4053 can guide the user in installing the handle 70.
Further, the handle 70 further comprises a handle 703 connected to the side of the connecting wall 701 facing away from the fixed block 4052, and a gap is left between the handle 703 and the base 40, so that the purifying device can be hung on a bottle seat, a shelf or the like in the refrigerator through the handle 70. The handle 703 is provided with an anti-overturning rib 704 protruding towards the base 40, and the edge of the anti-overturning rib 704 is arc-shaped. When the user hangs purifier inside the refrigerator, prevent turning over muscle 704 can play the supporting role, guarantees purifier's stability of installation, prevents turning over the edge of muscle 704 simultaneously and can play the guiding role for the arc, is convenient for hang and can not harm other articles when using.
Referring to fig. 4 and 5, a specific structure of the light guide 50 is shown.
The light guide 50 is in a strip shape, the light guide 50 is provided with a light gathering part 501, the indicator lamp is at least partially arranged in the light gathering part 501, and the shell is provided with a light passing hole 107 corresponding to the light gathering part 501. Specifically, the light-passing hole 107 is a through hole formed in the upper cover 10. Thus, the light emitted by the indicator lamp is converged by the light converging part 501 of the light guide member 50 and then displayed through the light passing hole 107 of the shell, and the display effect is good.
The light condensing part 501 is a groove formed on the light guide 50, and the cross-sectional area of one side of the light condensing part 501 near the light passing hole 107 is smaller than the cross-sectional area of the other side. Specifically, the inner wall surface of the light condensing portion 501 includes 4 mutually connected trapezoidal surfaces, and one side of the trapezoidal surface near the light passing hole 107 is inclined toward the center of the light condensing portion 501. Thus, the condensing effect can be improved.
Further, the light guide 50 is a transparent element, and light emitted from the indicator lamp is reflected and refracted by the inner wall surface of the light converging portion 501, and the light is converged on the side of the light converging portion 501 facing the light passing hole 107, so that the display brightness of the indicator lamp is enhanced. The light guide 50 further has a light condensing block 502 protruding from the light condensing portion 501 toward the light passing hole 107, and the light condensing block 502 is disposed in the light passing hole 107. In this way, the light is prevented from directly emitting and stimulating eyes of a user by the light condensing block 502.
Referring to fig. 4 to 8, the light guide 50 is further provided with a positioning hole 503, the upper cover 10 is provided with a positioning post 103 cooperating with the positioning hole 503, and the light guide 50 is mounted on the upper cover 10 through cooperation of the positioning hole 503 and the positioning post 103. The sectional area of one side of the positioning hole 503 close to the upper cover 10 is smaller than that of the other side, the length of the positioning column 103 is larger than that of the positioning hole 503, the positioning column 103 is arranged in the positioning hole 503, the molten material after the positioning column 103 is melted by heat is filled in the positioning hole 503, and after the molten material of the positioning column 103 is solidified, the light guide 50 is fixedly arranged on the upper cover 10.
Specifically, the two positioning holes 503 are respectively located at two sides of the light condensing portion 501, the positioning holes 503 include a matching portion 5031 and a material accommodating portion 5032, the matching portion 5031 is close to one side of the upper cover 10, and the matching portion 5031 is matched with the positioning column 103 in shape, so that installation and positioning are facilitated. The receiving portion 5032 is a tapered hole for receiving the melted material after the positioning post 103 is melted. After the positioning column 103 is melted, the melted material is filled in the accommodating portion 5032, and the melted material does not extend out of the positioning hole 503 after solidification, so that no other separate fixing structure is needed to mount the light guide 50, and the light guide 50 does not interfere with other elements in the housing. When the light guide 50 is installed between the upper cover 10 and the timing circuit board 60, the timing circuit board 60 is installed after the light guide 50 is installed and fixed, so that the timing circuit board 60 is convenient to install.
Referring to fig. 6 to 8, the timing circuit board 60 is shown in its specific structure and mounting structure.
The timing circuit board 60 is provided with a timing circuit, the timing circuit board 60 is connected with an indicator lamp, and when the timing circuit starts to count to a preset time length, a prompt is sent out through the indicator lamp to prompt a user that the purification module is invalid and needs to be replaced. The timing circuit board 60 is installed on the inner side of the upper cover 10, the supporting ribs 101 are arranged on the inner side of the upper cover 10, the timing circuit board 60 is supported on the supporting ribs 101, a gap is reserved between the timing circuit board 60 and the upper cover 10, waterproof glue is filled in the gap between the timing circuit board 60 and the upper cover 10, waterproof glue is coated on the surface of the timing circuit board 60 facing away from the upper cover 10, namely, waterproof glue is coated on the surface of the timing circuit board 60 facing the bottom of the main shell 30. Thus, when the purification device is installed inside the refrigerator, the water vapor inside the refrigerator can be prevented from damaging the timing circuit board 60 to cause the failure of the life prompting module.
Further, the timing circuit board 60 is circular, and the supporting rib 101 comprises at least two sections of arc rib plates arranged at intervals, and the edge of the timing circuit board 60 is supported on the arc rib plates. Therefore, waterproof glue is conveniently injected from the interval between the plurality of sections of arc-shaped rib plates, and the plurality of sections of arc-shaped rib plates can prevent the waterproof glue from leaking.
The inner side of the upper cover 10 is also provided with a clamping hook, the edge of the timing circuit board 60 is provided with a notch, the clamping hook stretches into the notch at the edge of the timing circuit board 60, and the clamping hook is clamped on the surface of the timing circuit board 60 so as to fix the timing circuit board 60 on the upper cover 10. Specifically, in the assembled state, the hooks and the plurality of sections of arc rib plates are all distributed at intervals along the edge of the timing circuit board 60.
Further, the life prompting module further includes a battery 603, and the battery 603 is used for supplying power to the timing circuit board 60. The life prompting module further comprises a timing control switch, wherein the timing control switch is used for connecting or disconnecting the battery 603 and the timing circuit board 60, and comprises a control spring piece 601 and a contact spacer 602. On the connection circuit of the timing circuit board 60 with the battery 603, a first electrical contact 605 and a second electrical contact 606 are provided which are disconnected, and when the first electrical contact 605 and the second electrical contact 606 are conductive, the battery 603 supplies power to the timing circuit board 60. One end of the control spring 601 is fixed on the timing circuit board 60 and is electrically connected with the first electrical contact 605, and the other end is cantilevered and is provided with a protrusion facing the second electrical contact 606, and the protrusion can be electrically connected with the second electrical contact. The contact spacer 602 passes through the housing and is disposed at one end between the protrusion of the control spring 601 and the second electrical contact 606, and the user can pull the contact spacer 602 to remove the contact spacer 602. When the contact spacer 602 is arranged between the bulge of the control spring 601 and the second electric contact 606, the electric connection between the timing circuit board 60 and the battery 603 is disconnected, when the contact spacer 602 is removed, the bulge of the control spring 601 is in contact with the second electric contact 606, the control spring 601 is communicated with the first electric contact 605 and the second electric contact 606, the electric connection between the battery 603 and the timing circuit is conducted, and the timing circuit starts to work.
Further, the timing circuit board 60 is provided with a through hole, the upper cover 10 is provided with a screw post 102 corresponding to the through hole, and one end of the control spring 601 is fixed on the upper cover 10 through a screw. The first electric contact is arranged at the through hole, the screw can be used for electrically connecting the first electric contact with the control elastic piece 601 while fixing the control elastic piece 601, and the electric contact is simple in structure and convenient to install and manufacture.
The control shrapnel 601 is L-shaped, one end is also provided with a hem 6011 which is bent towards the timing circuit board 60, the timing circuit board 60 is provided with a slotted hole 604 matched with the hem 6011, and the hem 6011 is inserted into the slotted hole 604 to mount and position the control shrapnel 601, so that the bulge on the control shrapnel 601 can be contacted with the second electric contact 606.
On the surface of the timing circuit board 60 facing away from the upper cover 10, except for the covering parts of the first electric contact 605, the second electric contact 606 and the control elastic sheet 601, waterproof glue is coated in other areas, and the setting of the timing control switch is convenient for controlling the opening of the service life prompting module and also convenient for coating the waterproof glue.
Further, referring to fig. 1 and 9, an opening is provided between the base 40 and the main housing 30, and the other end of the contact spacer 602 passes out from between the base 40 and the main housing 30. Specifically, a mounting rib 406 protruding toward the top is provided along the edge of the bottom plate 401 with a break opening for inserting the contact spacer 602.
The invention also provides a manufacturing method of the purification device, which is characterized by comprising the following steps:
the timing circuit board 60 is arranged on the supporting rib 101 at the inner side of the shell;
a waterproof glue is filled in a gap between the housing and the timing circuit board 60 and a waterproof glue is coated on an outer surface of the timing circuit board 60.
Wherein the housing comprises a main housing 30, the main housing 30 having a top, a bottom opposite to the top, and a side wall connecting the top and the bottom, the housing further comprising an upper cover 10 connected to the top of the main housing 30, and a support rib 101 provided on an inner surface of the upper cover 10. The outer surface of the timing circuit board 60 is the surface facing away from the upper cover 10.
Further, the method further comprises the step of following the step of placing the timer circuit board 60 on the support rib 101 inside the housing:
Matching the positioning hole 503 of the light guide 50 with the positioning post 103 on the housing to mount the light guide 50 at a predetermined position;
the positioning column 103 is melted by hot melting so that the molten material of the positioning column 103 is filled in the positioning hole 503.
Specifically, the cross-sectional area of one side of the positioning hole 503 near the housing is smaller than the cross-sectional area of the other side, the positioning hole 503 includes a mating portion 5031 and a receiving portion 5032, the mating portion 5031 is in shape fit with the positioning post 103 for mounting and positioning, the cross-sectional area of the receiving portion 5032 is larger than the positioning post 103 for receiving the molten material of the positioning post 103, and after the molten material of the positioning post 103 is solidified, the light guide member 50 is fixed on the upper cover 10.
Further, the method further comprises the step of filling the gap between the housing and the timing circuit board 60 with waterproof glue and coating the outer surface of the timing circuit board 60 with waterproof glue:
Inserting the through hole of the timing circuit board 60 into the screw post 102 of the housing;
the folded edge 6011 at one end of the control spring 601 is inserted into the slot 604 of the timing circuit board 60, and the control spring 601 is fixed by using a screw.
Further, "disposing the timing circuit board 60 on the support rib 101 inside the case", includes:
matching the notch at the edge of the timing circuit board 60 with the clamping hook at the inner side of the shell;
Pressing the timing circuit board 60 causes elastic deformation of the hooks to fixedly support the timing circuit board 60 on the supporting ribs 101.
In a specific embodiment, the timing circuit board 60 is circular, the supporting ribs 101 comprise a plurality of sections of arc rib plates arranged at intervals, the hooks are distributed at intervals with the arc rib plates and are distributed along the edge of the timing circuit board 60, and the intervals among the plurality of sections of arc rib plates are convenient for injecting waterproof glue into the gap between the timing circuit board 60 and the shell.
In the embodiment, when the purifying apparatus is manufactured, the positioning hole 503 of the light guide 50 is first matched with the positioning post 103 on the upper cover 10 to mount the light guide 50 at a predetermined position, then the positioning post 103 is melted, the molten material melted by the positioning post 103 is filled in the positioning hole 503, and after the molten material is solidified, the light guide 50 is fixed on the upper cover 10. Then, the notch of the timing circuit board 60 is matched with the clamping hook on the upper cover 10, the timing circuit board 60 is pressed, and the timing circuit board 60 is fixed on the supporting rib 101 of the upper cover 10. The folded edge 6011 at one end of the control spring 601 is inserted into the slot 604 of the timing circuit board 60, and the control spring 601 is fixed by using a screw.
After the components on the upper cover 10 are installed in place, waterproof glue is injected into the gap between the timing circuit board 60 and the upper cover 10 through the interval between the supporting ribs 101, so that the waterproof glue fills the gap between the timing circuit board 60 and the upper cover 10, and waterproof glue is coated on the surface of one side of the timing circuit board 60, which is away from the upper cover 10, so as to prevent the timing circuit board 60 from being damaged by water vapor. After the waterproof glue has set, a contact spacer 602 is inserted between the control spring 601 and the second electrical contact of the timing circuit board 60.
The second air deflection 202 is mounted to the first air deflection 201 using a turnover 205 positioning of the inner ring of the second air deflection 202. The guide posts 104 on the upper cover 10 are then inserted into the guide holes 204 on the air deflector, and the upper cover 10 is pressed to fix the upper cover 10 to the main housing 30. The purification module is placed in the enclosure 403 of the base 40, the guide plate 303 of the main housing 30 and the base 40 are inserted into the corresponding guide notch 407 on the base 40, the contact spacer 602 is inserted out from the gap between the base 40 and the main housing 30, and the main housing 30 is pressed to fix the main housing 30 and the base 40.
Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments may be combined in any suitable manner to form other embodiments that will be apparent to those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (14)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/082766 WO2021190572A1 (en) | 2020-03-25 | 2021-03-24 | Purification apparatus and manufacturing method for purification apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010216949 | 2020-03-25 | ||
| CN2020102169490 | 2020-03-25 |
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| WO (1) | WO2021190572A1 (en) |
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| CN113440972A (en) | 2021-09-28 |
| WO2021190572A1 (en) | 2021-09-30 |
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