CN113294960B - Air-cooled refrigerator - Google Patents
Air-cooled refrigerator Download PDFInfo
- Publication number
- CN113294960B CN113294960B CN202010113095.3A CN202010113095A CN113294960B CN 113294960 B CN113294960 B CN 113294960B CN 202010113095 A CN202010113095 A CN 202010113095A CN 113294960 B CN113294960 B CN 113294960B
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- China
- Prior art keywords
- air duct
- air
- lock tongue
- cover plate
- duct assembly
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides an air-cooled refrigerator which comprises a refrigerator body and an air duct assembly. The box body defines a storage space, the air duct assembly is arranged at the back of the storage space, and an air duct used for supplying refrigerating air flow to the storage space is arranged in the air duct assembly. And the edge of the air duct assembly is provided with at least one telescopic lock tongue structure, and a lock hole is arranged at the position of the box body opposite to the lock tongue structure, so that the air duct assembly is detachably arranged on the box body through the cooperation of the lock tongue structure and the lock hole. According to the air-cooled refrigerator provided by the invention, the telescopic lock tongue structure is arranged on the edge of the air duct assembly, and the lock hole is arranged at the opposite position in the refrigerator body, so that the air duct assembly and the refrigerator body can be mounted and dismounted through the combination and separation of the lock tongue structure and the lock hole, and the replaceability of the air duct assembly is improved.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to an air-cooled refrigerator.
Background
With the increasing level of living of people, refrigerators have been widely used as an electric appliance that provides a low temperature environment to extend the preservation time of articles. However, in the use process of the refrigerator, the foods stored in the storage space of the refrigerator and the dirt attached to the foods can have biochemical actions such as oxidative decomposition, so that bad smells are generated in the storage space of the refrigerator. The air duct is used as a main component for supplying the refrigerating air flow to the storage space, and as the foam and other components are possibly arranged in the air duct, the components pollute the refrigerating air flow due to fungus and mildew caused by overlong service time, so that the storage of food is affected, and the service life of the refrigerator is greatly reduced.
Disclosure of Invention
An object of the present invention is to provide an air-cooled refrigerator such that an air duct assembly of the refrigerator is replaceable.
It is a further object of the present invention to simplify the replacement process of the air duct assembly.
In particular, the present invention provides an air-cooled refrigerator comprising:
a case defining a storage space;
the air duct assembly is arranged at the back of the storage space and is internally provided with an air duct for supplying refrigerating airflow to the storage space; and, in addition, the processing unit,
the edge of the air duct assembly is provided with at least one telescopic lock tongue structure, and a lock hole is arranged at the position of the box body opposite to the lock tongue structure, so that the air duct assembly is detachably arranged on the box body through the cooperation of the lock tongue structure and the lock hole.
Optionally, the air duct assembly includes:
the air duct main body is arranged at the back of the storage space and is provided with an air duct for supplying refrigerating air flow to the storage space;
the air duct cover plate is covered and buckled on one side of the air duct main body, which faces the storage space, so as to cover the air duct; and is also provided with
The edge of the air duct cover plate is provided with at least one lock tongue structure facing the air duct main body, and the air duct cover plate and the air duct main body are detachably arranged on the box body through the cooperation of the lock tongue structure and the lock hole.
Optionally, the latch bolt structure includes:
the spring bolt seat is used for limiting the installation part, is arranged on one side of the air duct cover plate and is fixed on the air duct cover plate;
the main part of the lock tongue is arranged in the installation part and can be arranged in the installation part in a telescopic way.
Optionally, the latch bolt seat comprises a first fixing part and a second fixing part which are formed by extending towards the installation direction of the air duct main body based on the air duct cover plate, and the first fixing part and the second fixing part define an installation part;
the first fixing part and the second fixing part are respectively provided with a first chute and a second chute;
the two sides of the main part of the lock tongue are respectively provided with a first sliding rail and a second sliding rail which can be embedded into the first sliding groove and the second sliding groove, and the first sliding rail and the second sliding rail respectively slide in the first sliding groove and the second sliding groove in a reciprocating manner so as to realize the telescopic arrangement of the main part of the lock tongue in the installation part.
Optionally, the latch bolt structure further includes:
the lock tongue cover plate covers and buckles on the lock tongue main part.
Optionally, a first buckle and a second buckle are respectively arranged on one side of the first fixing part and one side of the second fixing part facing the mounting part;
the both sides of spring bolt apron are provided with first buckle groove and the second buckle groove with first buckle and second buckle group respectively.
Optionally, the tongue main member comprises a tongue portion;
the mounting part is provided with an opening at the side surface of the air duct cover plate, and one side of the locking tongue part is exposed through the opening;
the locking tongue portion can be matched with the locking hole to detachably install the air duct assembly on the box body.
Optionally, the latch bolt structure further comprises an elastic component;
the end of the main part of the lock tongue, which is opposite to the lock tongue part, is convexly provided with a support;
the elastic component is sleeved on the support; and the elastic component sleeved on the support can stretch out and draw back along the protruding direction of the support under the action of external force so as to drive the bolt main part to stretch out and draw back in the installation part.
Optionally, the latch cover plate is provided with a containing part for containing the support and an elastic component sleeved on the support.
Optionally, the latch bolt seat further includes a first connection portion disposed between the first fixing portion and the second fixing portion and located at an end opposite to the latch bolt portion;
the lock tongue cover plate is provided with a second connecting part which is arranged corresponding to the first connecting part;
the air duct assembly further comprises a connecting element, and the connecting element sequentially passes through the second connecting part and the first connecting part so as to fixedly connect the lock tongue cover plate with the lock tongue seat.
The invention provides an air-cooled refrigerator with a replaceable air duct assembly, which is characterized in that a telescopic lock tongue structure is arranged on the edge of the air duct assembly, and lock holes are arranged at opposite positions in the refrigerator body, so that the air duct assembly and the refrigerator body can be assembled and disassembled through the combination and separation of the lock tongue structure and the lock holes, the replaceability of the air duct assembly is improved, when individual parts in the air duct assembly are damaged, the air duct assembly can be detached from the refrigerator body, and only the damaged parts are maintained or exchanged, so that the utilization rate of the air duct assembly and the service life of the refrigerator can be increased.
Further, through setting up telescopic spring bolt main part in the spring bolt structure, can realize the dismantlement of wind channel assembly and box through pressing the spring bolt main part, make wind channel assembly easy dismounting to simplify the change process of wind channel assembly.
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
fig. 1 is a schematic view of a partial explosion structure of an air-cooled refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an air duct assembly according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a box structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an exploded view of an air duct assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of a cover plate for an air duct according to an embodiment of the present invention;
FIG. 6 is a schematic view of an air duct cover plate according to an embodiment of the invention;
FIG. 7 is a schematic view of a first fixture of an duct cover according to an embodiment of the invention;
FIG. 8 is an enlarged schematic view of a latch bolt seat in a latch bolt configuration according to an embodiment of the invention;
FIG. 9 is a schematic view of a tongue main component of a tongue construction according to an embodiment of the present invention;
FIG. 10 is a schematic view of a latch cover plate according to an embodiment of the invention;
FIG. 11 is another schematic view of a latch cover and latch main according to an embodiment of the invention;
FIG. 12 is a schematic view of a second mount for a duct cover according to an embodiment of the invention;
FIG. 13 is a schematic view of a duct structure according to another embodiment of the present invention;
fig. 14 is a schematic view showing an internal structure of a sterilization and deodorization module according to an embodiment of the present invention;
fig. 15 is a schematic view illustrating an internal structure of a sterilization and deodorization module according to another embodiment of the present invention;
fig. 16 is a schematic diagram of a refrigerator odor component spectrum according to an embodiment of the present invention;
FIG. 17 is a schematic view of a portion of a timing alert apparatus according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of an air-cooled refrigerator according to an embodiment of the present invention, and referring to fig. 1, it can be appreciated that the air-cooled refrigerator provided by the embodiment of the present invention may include a box body 100 and an air duct assembly 200, wherein the box body 100 may be a liner of the refrigerator, which defines a storage space 110, and the air duct assembly 200 is disposed at a back of the storage space 110. Referring to fig. 2, the air duct assembly 200 has an air duct 201 therein for supplying a flow of cooling air to the storage space 110. And, the edge of the duct assembly 200 is provided with at least one retractable latch tongue structure 300. Fig. 3 is a schematic view of the back of the case 100 according to the embodiment of the present invention, and as shown in fig. 3, a locking hole 120 is provided at a position of the case 100 opposite to the locking bolt structure 300, so that the air duct assembly 200 is detachably installed on the case 100 through the cooperation of the locking bolt structure 300 and the locking hole 120.
The embodiment of the invention provides an air-cooled refrigerator with a replaceable air duct assembly 200, by arranging a telescopic lock tongue structure 300 on the edge of the air duct assembly 200 and arranging a lock hole 120 at the opposite position in a box body 100, the air duct assembly 200 and the box body 100 can be assembled and disassembled through the combination and separation of the lock tongue structure 300 and the lock hole 120, the replaceability of the air duct assembly 200 is improved, when individual components in the air duct assembly 200 are damaged, the air duct assembly 200 can be disassembled from the box body 100, and only the damaged components are maintained or exchanged, so that the utilization rate of the air duct assembly 200 and the service life of the refrigerator can be increased.
In addition, the air-cooled refrigerator of the embodiment of the invention can also comprise a compressor, an evaporator, a condenser, a throttling element and the like, which are the same as the prior air-cooled refrigerator except the description. The evaporator is connected with the compressor, the condenser and the throttling element through refrigerant pipelines to form a refrigeration cycle loop, and the evaporator is cooled when the compressor is started so as to cool the air flowing through the evaporator. Air cooled via the evaporator is supplied into each compartment to maintain the temperature within the respective compartment within a corresponding set temperature range. The evaporator is arranged in the cooling chamber. In practical applications, the box 100 may house the air duct slot of the air duct assembly 200 at one side of the storage space 110, so as to save the installation space of the air-cooled refrigerator.
Referring to fig. 2 to 4, the air duct assembly 200 may include an air duct main body 210 and an air duct cover 220 sequentially disposed from the back of the storage space 110 toward the refrigerator door. In this embodiment, the duct body 210 (e.g., duct foam) may be disposed at the back of the storage space 110, and is formed with the duct 201 for supplying the cooling air flow to the storage space 110. The air duct cover 220 covers the air duct main body 210 on a side facing the storage space 110 to cover the air duct 201. And at least one latch structure 300 (see fig. 5) facing the air duct main body 210 is disposed at the edge of the air duct cover 220, and the air duct cover 220 and the air duct main body 210 are detachably mounted on the case 100 through the cooperation of the latch structure 300 and the latch hole 120. The air duct assembly 200 provided in this embodiment not only can be detachably connected with the box body 100 through the lock tongue structure 300, but also can design the air duct main body 210 and the air duct cover plate 220 to be detachably connected, so that the maintenance and replacement of the air duct assembly 200 are further facilitated, and the refrigerator can be kept to operate with high efficiency. In addition, the air duct assembly 200 may further include a protective layer (e.g., PE film) disposed between the air duct body 210 and the back of the storage space 110 to further protect the air duct assembly 200.
In an alternative embodiment of the present invention, referring to fig. 4 to 7, the edge of the duct cover 220 is provided with at least one first fixing member 221; a first fixing groove 211 is provided at a position of the duct body 210 opposite to the first fixing piece 221 to detachably connect the duct cover 220 and the duct body 210 by the cooperation of the first fixing piece 221 and the first fixing groove 211. The first fixing member 221 may be a fastening structure as shown in fig. 7, and the first fixing groove 211 may be a fastening groove adapted to the fastening structure. In practical applications, the structure of the first fixing member 221 can be adjusted according to different requirements, and the invention is not limited thereto
Fig. 8 to 11 are schematic views of a latch bolt structure 300 disposed at an edge of an air duct cover 220 and its component parts according to an embodiment of the present invention, and referring to fig. 8 to 11, it can be understood that the latch bolt structure 300 may include: latch bolt mount 310 and latch bolt main 320. The latch base 310 defines a mounting portion 311, is disposed on one side of the air duct cover 220, and is fixed on the air duct cover 220, and the latch main component 320 is disposed in the mounting portion 311 and can be telescopically disposed in the mounting portion 311. When the air duct assembly 200 is required to be mounted on the case 100 of the refrigerator, the latch main body of the latch structure 300 may be inserted into the latch hole 120 on the case 100 to achieve a fixed connection of the air duct assembly 200 and the case 100.
With continued reference to fig. 5 to 8, the latch bracket 310 includes a first fixing portion 312 and a second fixing portion 313 formed by extending the duct cover 220 in the installation direction of the duct body 210, the first fixing portion 312 and the second fixing portion 313 define an installation portion 311, and in addition, a first sliding slot 314 and a second sliding slot 315 are respectively formed in the first fixing portion 312 and the second fixing portion 313. As shown in fig. 9 to 11, the two sides of the main bolt 320 are respectively provided with a first sliding rail 321 and a second sliding rail 322 which can be embedded into the first sliding groove 314 and the second sliding groove 315, and the first sliding rail 321 and the second sliding rail 322 respectively slide back and forth in the first sliding groove 314 and the second sliding groove 315 so as to realize the telescopic arrangement of the main bolt 320 in the mounting portion 311. With continued reference to fig. 9 to 11, the first sliding rail 321 and the second sliding rail 322 are further provided with a first limiting portion 323 and a second limiting portion 324, respectively, so as to perform a limiting function when the first sliding rail 321 and the second sliding rail 322 slide in the first sliding chute 314 and the second sliding chute 315, respectively.
In an alternative embodiment of the present invention, as shown in fig. 5 and 10, latch structure 300 may further include a latch cover 330 that covers latch main body 320 and may be used to protect latch main body 320. The first fixing portion 312 and the second fixing portion 313 of the latch base 310 are provided with a first buckle 316 and a second buckle 317 respectively on one side facing the mounting portion 311, and a first buckle groove 331 and a second buckle groove 332 assembled with the first buckle 316 and the second buckle 317 are provided on both sides of the latch cover 330 respectively. When the latch cover 330 is assembled with the latch seat 310, the first buckle 316 and the second buckle 317 can be respectively locked into the first buckle slot 331 and the second buckle slot 332 to realize the fixed connection between the latch cover 330 and the latch seat 310.
Referring to fig. 9, the tongue main 320 may further include a tongue portion 325. The mounting portion 311 has an opening 319 at a side surface of the duct cover 220, one side of the latch portion 325 is exposed through the opening 319, and the exposed latch portion 325 can be engaged with the latch hole 120 to detachably mount the duct assembly 200 to the case 100. That is, the latch bolt portion 325 may be inserted into the latch hole 120 of the case 100 to achieve a fixed connection of the duct assembly 200 with the case 100.
With continued reference to fig. 9, the deadbolt structure 300 also includes a resilient assembly 340, such as a spring. A support 326 is provided on the main part 320 of the bolt in a protruding manner at the end opposite to the bolt portion 325; the elastic component 340 is sleeved on the support 326. And, the elastic component 340 sleeved on the support 326 can stretch and retract along the protruding direction of the support 326 under the action of external force, so as to drive the bolt main component 320 to stretch and retract in the mounting portion 311. Optionally, the tongue main 320 may further have a pressing portion 327 provided on the same side as the tongue portion 325 and integrally therewith. The pressing portion 327 can enable the elastic component 340 to stretch along the protruding direction of the support 326, so as to drive the bolt main component 320 to stretch in the mounting portion 311.
That is, after the bolt portion 325 of the bolt main member 320 is inserted into the lock hole 120 of the box 100, the air duct assembly 200 can be fixedly connected with the box 100, when the air duct assembly 200 needs to be disassembled, the pressing portion 327 of the bolt main member 320 is pressed to press the elastic element between the bolt main member 320 and the cover plate, so that the bolt main member 320 is retracted, and the bolt main member 320 is separated from the lock hole 120 of the box 100, so that the air duct assembly 200 can be removed.
As shown in fig. 10, the latch cover 330 is provided with a receiving portion 333, the shape and size of the receiving portion 333 can be adapted to the elastic element, the receiving portion 333 can be formed by extending one end of the latch cover 330, the direction of the opening 319 of the receiving portion 333 faces the direction of the supporting portion 514 of the latch main component 320, so as to receive the support 326 and the elastic component 340 sleeved on the support 326, and further fix the elastic component 340 together with the support 326 on the latch main component 320.
In an alternative embodiment of the present invention, the latch base 310 further includes a first connection portion 318 disposed between the first fixing portion 312 and the second fixing portion 313 and located at an end opposite to the latch portion 325, and the latch cover 330 has a second connection portion 334 disposed corresponding to the first connection portion 318. The air duct assembly 200 further includes a connecting element 350, and the connecting element 350 sequentially passes through the second connecting portion 334 and the first connecting portion 318 to fixedly connect the latch cover 330 with the latch seat 310. The connection member 350 may be a screw, and the first and second connection portions 318 and 334 may be screw holes respectively sized to match the screw. The connecting element 350 can further fix the main bolt 320 and the bolt seat 310 through the bolt cover 330, so as to prevent the main bolt 320 from sliding down during the expansion and contraction process.
Alternatively, the first fixing portion 312 and the second fixing portion 313 of the latch base 310 may be made of plastic, when the latch structure 300 is installed, the side of the air duct cover 220 facing the air duct main body 210 may be inserted into the installation portion 311 defined by the latch base 310 from top to bottom by using elasticity of the plastic latch base 310, and after the installation, the sliding rail of the latch main body 320 is matched with the sliding slot of the latch base 310, and in addition, the bottom surface of the latch main body 320 contacts with the air duct cover 220, so that the latch main body 320 may be stably stretched at the installation portion 311. In the state without force, the elastic component 340 abuts against the latch cover 330, and presses the latch main 320 to make the latch 325 in the extended position, and at this time, the limiting portion 130 of the latch abuts against the end of the chute, so as to fix the extended position of the latch. By providing the latch cover 330, the upper and lower positions of the latch main part 320 can be better fixed and the latch main part 320 can be better covered, and the aesthetic degree can be improved.
Further, at least one second fixing member 223 is disposed at an edge of the duct cover 220, and a second fixing groove 140 is disposed at a position of the case 100 corresponding to the second fixing member 223, so that the duct cover 220 and the duct body 210 are detachably mounted on the case 100 through cooperation of the second fixing member 223 and the second fixing groove 140. The second fixing member 223 may be a fastening structure, as shown in fig. 12, the corresponding second fixing slot 140 is a clamping slot assembled with the fastening structure, and the air duct assembly 200 can be fastened when connected with the box 100 by the cooperation of the second fixing member 223 and the second fixing slot 140. In practical applications, the structure of the second fixing member 223 can be adjusted according to different requirements, which is not limited by the present invention.
With continued reference to fig. 1, the air-cooled refrigerator according to the embodiment of the present invention may further include at least one sterilization and deodorization module 400, where the sterilization and deodorization module 400 is disposed in the air duct 201 and is used for sterilizing and deodorizing the cooling air flow flowing to the storage space 110. According to the air-cooled refrigerator provided by the embodiment of the invention, the sterilizing and deodorizing module 400 is independently arranged on the detachable air duct assembly 200, so that the air duct assembly 200 can be replaced in time or the sterilizing and deodorizing module 400 on the air duct assembly 200 can be replaced when the module efficiency on the air duct 201 is reduced, and the sterilizing and deodorizing module 400 can always operate in the refrigerator with high efficiency.
Referring to fig. 2, the duct 201 may include at least one first duct 202 for supplying air to an upper portion of the storage space 110; the sterilization and deodorization module 400 is disposed in the first air duct 202. The first air duct 202 may further have two first air outlets 203 disposed at two sides of the upper portion of the storage space 110, so that the cooling air flows to two sides of the storage space 110; the sterilizing and deodorizing module 400 is disposed between the two first air outlets 203. The lower part of the storage space 110 is provided with an air return port 204; the sterilizing and deodorizing module 400 is disposed at the air return port 204.
Since the sterilizing and deodorizing module 400 mainly performs sterilizing and deodorizing on the cold air flowing into the deodorizing space, the sterilizing and deodorizing module 400 is most suitable in a place where the air flow speed is high, because the air flow speed is high, the volume of air passing through the module per unit time is large, and the efficiency of deodorizing by the sterilizing and deodorizing module 400 is higher. In addition, by allowing as much as possible all of the air circulation gas to pass through the module, the air in the space can be purified for the whole time. Therefore, in this embodiment, the sterilization and deodorization module 400 is disposed at the air outlet and the air return 204 of the air duct 201, so that the sterilization and deodorization efficiency is higher.
Fig. 13 shows a schematic structural diagram of a refrigerator air duct according to another embodiment of the present invention, where the refrigerator air duct shown in fig. 13 may include a main air duct and sub-air ducts for layered ventilation to a storage compartment of the refrigerator, in fig. 13, D is an air outlet main air duct, ABC is an air outlet of each layer, E is an air return port 204 of the air duct, and five positions abcde may be used as mounting positions of a refrigerator module, so as to ensure that air flow of the air duct passes through the sterilization and deodorization module 400. The sterilization and deodorization module 400 is also configured to have a good ventilation effect, for example, a mesh structure or a pellet-mounted structure, as shown in fig. 14 and 15, respectively.
Referring to fig. 4, a fixing frame 222 is disposed on a side of the duct cover 220 facing the duct main body 210, and a sterilization and deodorization module 400 is disposed in the fixing frame 222; a through hole 212 is arranged at a position of the air duct main body 210 opposite to the fixing frame 222; after the air duct cover plate 220 is covered on the air duct main body 210, the fixing frame 222 provided with the sterilization and deodorization module 400 can pass through the through hole 212, and then the sterilization and deodorization module 400 performs sterilization and deodorization on the refrigerating air flow flowing to the storage space 110. As shown in fig. 4, in the embodiment, three fixing frames 222 of the sterilization and deodorization modules 400 are distributed in the air duct 201, in practical application, the number of the fixing frames 222 may be multiple, and the number of the fixing frames 222 and the number of the sterilization and deodorization modules 400 may be set according to the structure of the air duct, the length of the air duct, the position of the air inlet and the position of the air outlet, which is not limited in the present invention.
In alternative embodiments of the present invention, the sterilization and odor removal module 400 may be manufactured based on an adsorbent material, a bioactive material, and/or a chemically catalyzed material. The sterilization and deodorization module 400 of the different materials will be described in detail.
1. The sterilization and deodorization module 400 is prepared based on an adsorption material.
The adsorbent in this embodiment is a material having a large specific surface area, such as activated carbon, molecular sieve, silica gel, or the like. They tend to have a strong adsorption of off-flavor gases. Such materials tend to adsorb most of the odorous gases of the refrigerator and some of the microorganisms present in the air, thereby serving to purify the refrigerator air and remove harmful microorganisms.
In addition, the sterilization and deodorization module 400 prepared based on the adsorption material has the biggest characteristic of being capable of rapidly and efficiently removing peculiar smell in the refrigerator. The effect of removing the peculiar smell of the pickled vegetables in the refrigerator is tested by an electronic sniffer, the test result is shown in fig. 16, the abscissa in the peculiar smell component spectrogram of the refrigerator in fig. 16 is time (minutes), the ordinate is peculiar smell content, and analysis shows that the sterilizing and deodorizing module 400 has very high peculiar smell removing efficiency in the first 10 minutes and is almost stable after ten minutes. In order to increase the specific adsorption of peculiar smell molecules and the killing effect of microorganisms, nano silver ions can be added into the material, so that the module has the sterilization and antibacterial properties.
2. The sterilization and deodorization module 400 is prepared based on a bioactive material;
the sterilization and deodorization module 400 prepared from the bioactive material refers to a module which is realized on the basis of substances with bioactive functions as active ingredients, such as beneficial bacteria including bifidobacterium, lactobacillus and the like, plant active ingredient extracts including garlic essential oil, mustard essential oil, lemon essential oil, eucalyptus oil and the like, such as eucalyptus oil, and the main ingredients of the sterilization and deodorization module 400 are 1, 8-cineole (more than 80%), camphene, phellandrene, terpineol, geraniol acetate, isovaleraldehyde, citronellal, piperonyl and the like, and can be widely used for treating cold, influenza, dysentery, enteritis, arthralgia, cystitis, scalds, mange, erysipelas, neurodermatitis, eczema and carbuncle sore pyogenic infections. Therefore, they spread to every corner of the refrigerator compartment along with the wind circulation, and their own bioactivity plays roles in killing microorganisms and removing odor and the like.
Deodorization mechanism of plant essence extract
1) Mechanism for removing hydrogen sulfide
R-NH 2 +H 2 S→R-NH 3+ +SH -
R-NH 2 +SH - +O 2 +H 2 O→R-NH 3+ +SO 4 2+ +OH -
R-NH 3+ +OH - →R-NH 2 +H 2 O
2) Mechanism of removing ammonia
R-COOH+NH 3 →R-COONH 4
3) Mechanism for removing ethanethiol
R-COOH+C 2 H 5 SH→R-COOC 2 H 5 +H 2 S
Hydrogen sulfide produced in practice can be removed by 1) a mechanism.
In the experiment, the initial concentration of odor was 10ppm in a 60L test space at 5℃and the removal rates of 30min and 60min were measured as test conditions, and the test results are shown in Table 1.
TABLE 1
| Odor component | 30min | 60min |
| Ethanethiol | ≥90％ | ≥95％ |
| Trimethylamine | ≥90％ | ≥95％ |
From experimental data we can find that the sterilization and deodorization module 400 prepared based on the bioactive material has higher efficiency in removing the odor.
3. The sterilization and deodorization module 400 is prepared based on a chemical catalytic material
The chemical module can react with target matter to eliminate bad smell and kill microbe. Common bactericidal chemicals are preservatives (benzoic acid, sorbic acid), antibiotics, lysozyme, etc.; whereas the common odor-removing metal CU 2+ Ions, etc., the reaction principle of which is as follows:
CU 2+ the ion energy and various peculiar smell gases react in a complexing way, so that stable chemical bonds are formed, and the peculiar smell gases are firmly fixed on the carrier and cannot move.
In an alternative embodiment of the present invention, as shown in fig. 1, the air-cooled refrigerator may further include a timing reminding device 500 disposed on the case 100, and after the air duct assembly 200 is fixed on the case 100 and the air-cooled refrigerator is powered on, start timing to count the working time of the air duct assembly 200 and send a reminding message after the working time of the air duct assembly 200 exceeds a preset time, so that the air duct assembly 200 is reminded of replacement after efficiency of the air duct assembly 200 is reduced, and the air duct assembly 200 can keep high-efficiency running in the refrigerator.
Referring to fig. 3, a limit portion 130 is formed on the back of the case 100, referring to fig. 17, the timing reminding device 500 includes a mounting box 510 and a magnetically sensitive switch 520, the mounting box 510 defines a housing cavity 512 with an opening 511, the magnetically sensitive switch 520 is disposed in the housing cavity 512, and the mounting box 510 is covered on the limit portion 130 through the opening 511 and is fixed by interference fit. In addition, referring to fig. 2, a magnetic element 230 is further disposed at a position of the air duct assembly 200 corresponding to the magnetic switch 520, and after the air duct assembly 200 is fixed on the case 100 and the air-cooled refrigerator is powered on, the magnetic switch 520 is turned on under the action of the magnetic element 230. Alternatively, the magnetic element 230 may be disposed on the duct body 210 at a position corresponding to the magnetically sensitive switch 520. The magneto-sensitive switch 520 in this embodiment is a magnetic proximity switch, which can be used as a position sensor, and can convert non-electric or electromagnetic energy into a desired electric signal by using the electromagnetic working principle and by changing the position relationship between the sensor and the object, thereby achieving the purpose of control or measurement. In the embodiment of the present invention, by providing the magnetic element 230, such as a magnet, on the air duct assembly 200, when the air duct assembly 200 is mounted on the case 100, the magnetic switch 520 senses the fixing of the position of the air duct assembly 200, so as to count the working time of the air duct assembly 200.
With continued reference to fig. 17, the mounting box 510 includes a bottom wall 513 disposed opposite the opening 511, and a support portion 514 formed to extend along the bottom wall 513, and the support portion 214 may be located at a middle portion of the bottom wall 513. The magnetically sensitive switch 520 is disposed in the support 514; and a plurality of fixing buckles 515 are arranged at the edge of the supporting part 514 to fix the magnetic sensitive switch 520. The mounting box 510 forms a flange 516 at the opening 511, and the flange 516 is attached to the case 100 after the mounting box 510 is covered on the limiting part 130.
The timing alert 500 may also include a timing module (not shown) and an alert module (not shown). The timing module is electrically connected to the magnetic switch 520, and starts to count the working time of the air duct assembly 200 after the magnetic switch 520 is turned on. In this embodiment, the timing module may be implemented by a main control board of an air-cooled refrigerator or a separately designed circuit for timing, when the refrigerator is used for the first time, the air duct assembly 200 is fixed on the box 100, after the refrigerator is powered on, the magnetically sensitive switch 520 disposed on the box 100 is turned on under the action of the magnetic element 230 disposed on the air duct assembly 200, and then the working time of the air duct assembly 200 is counted by the timing module. Further, the reminding module is in communication connection with the timing module, and sends out a reminding message after the working time of the air duct assembly 200 exceeds the preset time. The reminding module in this embodiment may be a text or picture reminding information displayed on a display control interface of the refrigerator, or may be an audio reminding information played by an audio element to prompt a user to replace the air duct assembly 200 in time, when the new air duct assembly 200 is assembled on the refrigerator body 100, the magneto-sensitive switch 520 is turned on again, and at this time, the timing module restarts timing to count the working time of the new air duct assembly 200.
For the duct assembly 200 mentioned in the above embodiment, when the whole is installed, the following procedure may be based:
1. the sterilizing and deodorizing module 400 is installed in the fixing frame 222 of the duct cover 220;
2. inserting the bolt main part 320 into the bolt seat 310 of the air duct cover plate 220, wherein the first sliding rail 321 and the second sliding rail 322 of the bolt main part 320 are respectively embedded into the first rail and the second rail of the bolt seat 310;
3. fitting the spring element into the seat 326 of the tongue main 320;
4. with the direction of the latch portion 325 of the latch main 320 as the front, the latch cover 330 is inserted into the latch seat 310 from the back to the front, the elastic element is assembled in the support 326 sleeved with the spring on the latch cover 330, and at this time, the first buckle slot 331 and the second buckle slot 332 of the latch cover 330 are respectively matched with the first buckle 316 and the second buckle 317 on the latch seat 310, so as to fix the up and down positions of the latch cover 330, and finally, the latch cover 330 and the latch seat 310 are further fixed by connecting the latch seat 310 and the latch cover 330 through the connecting element 350.
5. The duct body 210 is inserted into the duct cover 220, and the first fixing member 221 of the duct cover 220 is assembled with the first fixing groove 211 of the duct body 210 to fix the duct body 210 and the duct cover 220.
6. A magnetic element 230 is installed on the duct body 210;
7. attaching a protective layer, namely a PE film;
8. the second fixing member 223 of the air duct cover plate 220 is inserted into the second fixing groove 140 of the case 100, and finally the pressing portion 327 of the main latch member 320 is pressed to compress the elastic element, the latch portion 325 of the main latch member 320 is retracted to the innermost side, at this time, the upper portion of the air duct assembly 200 is integrally clamped into the air duct groove of the case 100, and the latch portion 325 is released, at this time, the whole air duct assembly 200 can be well fixed on the case 100.
The embodiment of the invention provides an air-cooled refrigerator with a replaceable air duct assembly 200, by arranging a telescopic lock tongue structure 300 on the edge of the air duct assembly 200 and arranging a lock hole 120 at the opposite position in a box body 100, the air duct assembly 200 and the box body 100 can be assembled and disassembled through the combination and separation of the lock tongue structure 300 and the lock hole 120, the replaceability of the air duct assembly 200 is improved, when individual components in the air duct assembly 200 are damaged, the air duct assembly 200 can be disassembled from the box body 100, and only the damaged components are maintained or exchanged, so that the utilization rate of the air duct assembly 200 and the service life of the refrigerator can be increased.
Further, the refrigerator provided by the embodiment of the invention can be further provided with the sterilization and deodorization module 400 and the timing reminding device 500, and after the air duct assembly 200 exceeds the preset time, a reminding message can be sent out, so that a user is reminded of replacing the air duct assembly 200 after the efficiency of the air duct assembly 200 is reduced, the air duct assembly 200 can keep high-efficiency running in the refrigerator, and in addition, secondary pollution and peculiar smell caused by fungus mildew due to overlong use time of foam or other components in the air duct assembly 200 can be prevented.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims (8)
1. An air-cooled refrigerator, comprising:
a case defining a storage space;
the air duct assembly is arranged at the back of the storage space and is internally provided with an air duct for supplying refrigerating air flow to the storage space; and
the sterilization and deodorization module is arranged in the air duct and is used for sterilizing and deodorizing the refrigerating air flow flowing to the storage space; wherein the method comprises the steps of
The edge of the air duct assembly is provided with at least one telescopic lock tongue structure, and a lock hole is formed in the position, opposite to the lock tongue structure, of the box body so that the air duct assembly can be detachably installed on the box body through the cooperation of the lock tongue structure and the lock hole;
the air duct assembly comprises an air duct main body and an air duct cover plate, and the air duct cover plate is covered and buckled on one side of the air duct main body, which faces the storage space, so as to cover the air duct;
the spring bolt structure includes:
the bolt seat is used for limiting an installation part, is arranged on one side of the air duct cover plate and is fixed on the air duct cover plate;
the bolt main part is arranged in the mounting part and can be arranged in the mounting part in a telescopic way;
the lock tongue cover plate is covered and buckled on the lock tongue main part;
the edge of the air duct cover plate is provided with at least one lock tongue structure facing the air duct main body, and the air duct cover plate and the air duct main body are detachably arranged on the box body through the matching of the lock tongue structure and the lock hole; and is also provided with
The air duct cover plate is provided with a fixing frame towards one side of the air duct main body, and the sterilization and deodorization module is arranged in the fixing frame.
2. The air-cooled refrigerator of claim 1, wherein,
the air duct main body is arranged at the back of the storage space and is provided with an air duct for supplying refrigerating air flow to the storage space.
3. The air-cooled refrigerator of claim 2, wherein,
the spring bolt seat comprises a first fixing part and a second fixing part which are formed based on the extension of the air duct cover plate to the installation direction of the air duct main body, and the first fixing part and the second fixing part define the installation part;
the first fixing part and the second fixing part are respectively provided with a first chute and a second chute;
the two sides of the lock tongue main part are respectively provided with a first sliding rail and a second sliding rail which can be embedded into the first sliding groove and the second sliding groove, and the first sliding rail and the second sliding rail respectively slide back and forth in the first sliding groove and the second sliding groove so as to realize the telescopic arrangement of the lock tongue main part in the installation part.
4. The air-cooled refrigerator of claim 3, wherein a side of the first fixing portion and the second fixing portion facing the mounting portion is provided with a first buckle and a second buckle, respectively;
the both sides of spring bolt apron are provided with respectively with first buckle groove and the second buckle groove of first buckle and second buckle group.
5. The air-cooled refrigerator of claim 1, wherein,
the main part of the lock tongue comprises a lock tongue part;
the mounting part is provided with an opening at the side surface of the air duct cover plate, and one side of the lock tongue part is exposed through the opening;
the locking tongue portion can cooperate with the locking hole to detachably mount the air duct assembly on the box body.
6. The air-cooled refrigerator of claim 5, wherein,
the latch bolt structure further comprises an elastic component;
a support is arranged on the lock tongue main part in a protruding way at one end opposite to the lock tongue part;
the elastic component is sleeved on the support; and the elastic component sleeved on the support can stretch out and draw back along the protruding direction of the support under the action of external force so as to drive the lock tongue main part to stretch out and draw back in the mounting part.
7. The air-cooled refrigerator of claim 6, wherein the latch cover plate is provided with a receiving portion for receiving the support and an elastic component sleeved on the support.
8. The air-cooled refrigerator of claim 3, wherein the latch bolt seat further comprises a first connecting portion disposed between the first fixing portion and the second fixing portion and located at an end opposite to the latch bolt portion;
the lock tongue cover plate is provided with a second connecting part which is arranged corresponding to the first connecting part;
the air duct assembly further comprises a connecting element, and the connecting element sequentially passes through the second connecting part and the first connecting part so as to fixedly connect the lock tongue cover plate with the lock tongue seat.
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| CN202010113095.3A CN113294960B (en) | 2020-02-24 | 2020-02-24 | Air-cooled refrigerator |
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| CN202010113095.3A CN113294960B (en) | 2020-02-24 | 2020-02-24 | Air-cooled refrigerator |
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| CN113294960A (en) | 2021-08-24 |
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