CN112503824A - Temp. changing device for refrigerator - Google Patents
Temp. changing device for refrigerator Download PDFInfo
- Publication number
- CN112503824A CN112503824A CN202011495762.5A CN202011495762A CN112503824A CN 112503824 A CN112503824 A CN 112503824A CN 202011495762 A CN202011495762 A CN 202011495762A CN 112503824 A CN112503824 A CN 112503824A
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- air
- groove
- mounting
- temperature
- matched
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- 239000006260 foam Substances 0.000 claims abstract description 44
- 235000012055 fruits and vegetables Nutrition 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005034 decoration Methods 0.000 claims 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 claims 1
- 238000007710 freezing Methods 0.000 abstract description 10
- 230000008014 freezing Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- 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
- F25D17/062—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 in household refrigerators
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- 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
- F25D29/00—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a temperature changing device of a refrigerator, which comprises: the temperature-changing box is clamped in the heat-insulating layer; the temperature changing box cover is arranged at the top of the temperature changing box; the air duct foam is arranged between the temperature changing box cover and the temperature changing box; an air supply duct is arranged on one side surface of the heat-insulating layer; the air supply duct is provided with a centrifugal fan; the middle of the temperature changing box is provided with an installation groove; the fruit and vegetable box is slidably arranged in the mounting groove; a sealing ring is arranged at the opening end of the mounting groove; the air duct foam component comprises upper air duct foam and lower air duct foam; cold air sent by the centrifugal fan enters the temperature changing box through the air supply groove, the air inlet groove, the cold air channel and the air outlet; the air return inlet, the air return channel and the air return hole are matched to form an air return channel. The invention directly conveys cold air of a freezing chamber into a temperature changing device of a refrigerating chamber by matching a centrifugal fan, an air supply duct and an air duct foam component, and a control panel controls the opening and closing of an air door to control the temperature of the temperature changing device; the temperature changing device can realize the purpose of changing the temperature of the fruit and vegetable box of the single-system air-cooled refrigerator, and has the advantages of obviously reduced cost and simple process.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a temperature changing device of a refrigerator.
Background
In the temperature changing device of the existing side-by-side combination refrigerator, refrigeration is basically a double system, namely, a refrigerating chamber and a freezing chamber are both provided with an evaporator and a wind channel assembly, and the temperature changing device is positioned in the refrigerating chamber. The cold air is conveyed into the temperature changing device through the refrigerating chamber air duct assembly and then enters the fruit and vegetable box through the air supply channel in the temperature changing device to achieve the purpose of changing the temperature. The structure needs a refrigeration double system, so that the cost of the whole refrigerator is greatly improved, the process is complex, and the manufacturing efficiency is low. The temperature changing device structure adopted by the refrigerator disclosed in the application number 201721840792.9 has the disadvantages of sharply increased overall cost, complex process and low production efficiency.
Disclosure of Invention
The invention aims to provide a refrigerator temperature changing device, which directly conveys cold air of a freezing chamber into a temperature changing device of a refrigerating chamber by matching a centrifugal fan, an air supply duct and an air duct foam component, senses the temperature in a fruit and vegetable box by a temperature sensor, and controls the temperature of the temperature changing device by controlling the opening and closing of an air door between the freezing chamber and the refrigerating chamber by a control panel; the fruit and vegetable box temperature changing device can achieve the purpose of changing the temperature of the fruit and vegetable box of the single-system air-cooled refrigerator, has the advantages of being remarkably reduced in cost, simple in process and the like, and can overcome the defects that an existing double-system temperature changing device is low in production efficiency and high in cost.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a temperature changing device of a refrigerator, which comprises a heat insulating layer, a temperature changing box, air duct foam, a temperature changing box cover and a fruit and vegetable box, wherein the temperature changing box is clamped in the heat insulating layer; the fruit and vegetable box is movably arranged in the temperature changing box; the temperature changing box cover is arranged at the top of the temperature changing box; the air duct foam is arranged between the temperature changing box cover and the temperature changing box; an air supply duct installation groove is formed in one side face of the heat insulation layer; an air supply duct is arranged in the air supply duct mounting groove; the front side of the air supply duct is provided with a centrifugal fan mounting seat; the upper surface of the centrifugal fan mounting seat is provided with a centrifugal fan mounting groove; a centrifugal fan is arranged in the centrifugal fan mounting groove; one side of the centrifugal fan mounting groove is provided with an air supply groove; a positioning boss is arranged in the middle of the back of the air supply duct; a plurality of mounting buckles are arranged on the periphery of the back face of the air supply duct; the middle of the temperature changing box is provided with an installation groove; the fruit and vegetable box is slidably arranged in the mounting groove; a sealing ring is arranged at the opening end of the mounting groove; one side surface of the mounting groove is provided with an air supply duct positioning groove; the air supply duct positioning groove is matched with the positioning boss; a plurality of air supply duct mounting holes are formed in the two opposite sides of the air supply duct positioning groove in parallel; the air supply duct mounting hole is matched with the mounting fastener in a clamping manner; the upper surface of the temperature changing box is provided with a first clamping groove; a plurality of air outlets are formed in the front end of the upper surface of the temperature changing box; an air return opening is formed in the rear end of the upper surface of the temperature changing box; wherein, the peripheral side of the first clamping groove is respectively provided with a plurality of cover plate mounting holes; a sensor mounting groove is formed in the inner bottom surface of the first clamping groove; a temperature sensor is arranged in the sensor mounting groove; the temperature sensor senses the temperature in the fruit and vegetable box and transmits a real-time temperature signal to the control panel, and the control panel controls the temperature of the temperature changing device by controlling the opening and closing of an air door between the freezing chamber and the refrigerating chamber through an instruction; the rear end of the top of the first clamping groove is provided with a wire passing hole; an air supply duct mounting hole is formed in one side of the inner bottom surface of the first clamping groove; the air supply duct mounting hole is matched with the top of the air supply duct in a clamping manner; the air duct foam component is embedded into the middle of the first clamping groove; the air duct foam component comprises upper air duct foam and lower air duct foam; the lower air duct foam is arranged on the lower surface of the upper air duct foam; wherein, two mounting clamping strips are arranged on one side of the lower surface of the upwind foam side by side; a first cold air running channel is arranged between the two mounting clamping strips; the other side of the lower surface of the upwind foam is provided with an air return channel and a temperature sensor abdicating groove; the air return duct is matched with the air return inlet; the temperature sensor abdicating groove is matched with the sensor mounting groove; wherein two mounting clamping grooves are arranged on one surface of the lower air duct foam side by side; the mounting clamping groove is matched with the mounting clamping strip; a second cold air running channel is arranged between the two mounting clamping grooves; the second cold air running channel is matched with the first cold air running channel to form a cold air channel; an air inlet groove is formed in one side of the second cold air running channel; the air inlet groove is matched with the top of the air supply groove; the bottom surface of the second cold air running channel is provided with a plurality of air outlet grooves; the air outlet groove is matched with the air outlet; the rear end of the upper surface of the temperature changing box cover is provided with a box cover mounting hole; the front end of the upper surface of the temperature changing box cover is provided with a decorative strip installation groove for installing a decorative strip; the back of the temperature changing box cover is provided with an air return hole; the air return hole is matched with the air return channel; the lower surface of the temperature changing box cover is provided with an installation groove; a plurality of fixing buckles are arranged on the periphery of the mounting groove; the fixed buckle is matched with the cover plate mounting hole in a clamping way; cold air sent by the centrifugal fan sequentially passes through the air supply groove, the air inlet groove, the cold air channel and the air outlet and enters the temperature changing box; and the air return inlet, the air return channel and the air return hole are matched to form an air return channel.
Further, the heat preservation layer is fixed on the outer surface of the temperature changing box through 3M glue.
Furthermore, two opposite side surfaces of the mounting groove are respectively provided with a slide rail; two opposite side surfaces of the fruit and vegetable box are respectively provided with a guide rail; the front end of the guide rail is provided with a roller; the guide rail and the roller are matched with the slide rail; the fruit and vegetable box is assembled in the temperature changing box through the guide rail, the function of storing food is played, the fruit and vegetable box is provided with the guide rail and the roller structure, the guide rail plays a role in strengthening the fruit and vegetable box in deformation resistance, and the roller plays a role in muting and improving the drawing effect.
Furthermore, the tops of two opposite outer side surfaces of the temperature changing box are respectively provided with a positioning rib; two sides of the mounting groove are respectively provided with a positioning groove; the positioning groove is matched with the positioning rib.
Furthermore, a plurality of sealing ring mounting grooves and sealing ring mounting holes are formed in the opening ends of the mounting grooves; a plurality of sealing ring mounting ribs and sealing ring positioning columns are arranged on one side surface of the sealing ring; the sealing ring mounting rib is clamped and matched with the sealing ring mounting groove; and the sealing ring positioning column is matched with the sealing ring mounting hole.
Furthermore, both sides of the centrifugal fan mounting groove are respectively provided with a centrifugal fan mounting screw hole;
a first air inlet is formed in the middle of one end face of the centrifugal fan; a first air outlet is formed in the side surface of the centrifugal fan; the first air outlet is matched with the air supply groove;
a centrifugal fan mounting through hole matched with the fixing bolt is formed in the side face of the centrifugal fan; the fixing bolt penetrates through the centrifugal fan mounting through hole to be meshed with the centrifugal fan mounting screw hole.
Furthermore, two opposite side surfaces of the temperature-changing box cover are respectively provided with a limiting rib; the limiting ribs are matched with limiting grooves in the inner liner of the refrigerator.
Furthermore, a decorative strip limiting groove is arranged in the middle of the decorative strip mounting groove; decorative strip mounting ribs are arranged below the decorative strip mounting grooves; and a decorative strip mounting clamping groove is formed above the decorative strip mounting groove.
Furthermore, a decorative strip mounting buckle is arranged at the top of one surface of the decorative strip; the decorative strip mounting buckle is matched with the decorative strip mounting clamping groove in a clamping manner; the middle of the decorative strip is provided with a limiting clamping rib; the limiting clamping ribs are matched with the limiting grooves of the decorative strips; a decorative strip mounting groove is formed below one surface of the decorative strip; the decorative strip mounting groove is matched with the decorative strip mounting rib; a plurality of reinforcing ribs are arranged in the middle of one surface of the decorative strip side by side.
The invention has the following beneficial effects:
the invention directly conveys cold air of a freezing chamber into a temperature changing device of a refrigerating chamber by matching a centrifugal fan, an air supply duct and an air duct foam component, senses the temperature in a fruit and vegetable box by a temperature sensor, and controls the temperature of the temperature changing device by controlling the opening and closing of an air door between the freezing chamber and the refrigerating chamber by a control board; the fruit and vegetable box temperature changing device can achieve the purpose of changing the temperature of the fruit and vegetable box of the single-system air-cooled refrigerator, has the advantages of being remarkably reduced in cost, simple in process and the like, and can overcome the defects that an existing double-system temperature changing device is low in production efficiency and high in cost.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a temperature varying device of a refrigerator;
FIG. 2 is an exploded view of a temperature varying device of a refrigerator;
FIG. 3 is a schematic structural view of an insulation layer;
FIG. 4 is a schematic structural view of a temperature change cell;
FIG. 5 is a schematic top view of a temperature change cell;
FIG. 6 is a schematic front view of the air duct;
FIG. 7 is a schematic view of the rear side of the air duct;
FIG. 8 is a schematic top view of a duct foam assembly;
FIG. 9 is a schematic view of the underside of the duct foam assembly;
FIG. 10 is a schematic structural view of the uptake foam;
FIG. 11 is a schematic structural view of a lower duct foam;
fig. 12 is a schematic top view of the temperature change box cover;
fig. 13 is a schematic view of the structure below the cover of the temperature varying box;
FIG. 14 is a schematic structural view of a centrifugal fan;
FIG. 15 is a schematic structural view of a seal ring;
fig. 16 is a schematic view of the decorative strip;
FIG. 17 is a schematic structural view of the fruit and vegetable box;
fig. 18 is a schematic structural view of a refrigerator equipped with a temperature varying device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-17, the present invention is a temperature varying device for a refrigerator, including a heat insulating layer 1, a temperature varying box 2, air duct foam 4, a temperature varying box cover 5 and a fruit and vegetable box 9, wherein the temperature varying box 2 is clamped in the heat insulating layer 1; the heat preservation layer 1 is fixed on the outer surface of the temperature changing box 2 through 3M glue, and plays a role in heat preservation and condensation prevention; the fruit and vegetable box 9 is movably arranged in the temperature changing box 2; the temperature changing box cover 5 is arranged at the top of the temperature changing box 2; the air duct foam 4 is arranged between the temperature changing box cover 5 and the temperature changing box 2;
as shown in fig. 3, an air supply duct installation groove 101 is formed in one side surface of the insulating layer 1; an air supply duct 3 is arranged in the air supply duct mounting groove 101;
as shown in fig. 6-7, the front surface of the air supply duct 3 is provided with a centrifugal fan mounting seat 301; a centrifugal fan mounting groove 3011 is arranged on the upper surface of the fan mounting seat 301; a centrifugal fan 6 is installed in the centrifugal fan installation groove 3011; two sides of the centrifugal fan mounting groove 3011 are respectively provided with a centrifugal fan mounting screw hole 3012; one side of the centrifugal fan mounting groove 3011 is provided with an air supply groove 3013; a positioning boss 302 is arranged in the middle of the back of the air supply duct 3; a plurality of mounting buckles 303 are arranged on the periphery of the back of the air supply duct 3;
as shown in fig. 4-5, an installation groove 201 is provided in the middle of the temperature changing box 2; the fruit and vegetable box 9 is slidably arranged in the mounting groove 201; a sealing ring 7 is arranged at the opening end of the mounting groove 201; two opposite side surfaces of the mounting groove 201 are respectively provided with a slide rail 202; one side surface of the mounting groove 201 is provided with an air supply duct positioning groove 203; the air delivery duct positioning groove 203 is matched with the positioning boss 302; a plurality of air supply duct mounting holes 2031 are arranged on two opposite sides of the air supply duct positioning groove 203 in parallel; the air supply duct mounting hole 2031 is clamped and matched with the mounting buckle 303; the tops of two opposite outer side surfaces of the temperature changing box 2 are respectively provided with a positioning rib 204; the opening end of the mounting groove 201 is provided with a plurality of sealing ring mounting grooves 206 and sealing ring mounting holes 207; the upper surface of the temperature changing box 2 is provided with a first clamping groove 205; the front end of the upper surface of the temperature changing box 2 is provided with a plurality of air outlets 209; an air return opening 208 is arranged at the rear end of the upper surface of the temperature changing box 2; wherein, the peripheral side surface of the first clamping groove 205 is respectively provided with a plurality of cover plate mounting holes 2051; a sensor mounting groove 2052 is formed in the inner bottom surface of the first clamping groove 205; a temperature sensor is installed in the sensor installation groove 2052; the temperature sensor senses the temperature in the fruit and vegetable box and transmits a real-time temperature signal to the control panel, and the control panel controls the temperature of the temperature changing device by controlling the opening and closing of an air door between the freezing chamber and the refrigerating chamber through an instruction; a wire through hole 2053 is formed at the rear end of the top of the first clamping groove 205; a data wire of the temperature sensor passes through the wire through hole 2053 and is connected with the control board; an air supply duct mounting hole 2054 is formed in one side of the inner bottom surface of the first clamping groove 205; the air supply duct mounting hole 2054 is in clamping fit with the top of the air supply duct 3;
wherein air duct foam assembly 4 is inserted into the middle of first card slot 205, as shown in fig. 8-11; the air duct foam assembly 4 comprises an upper air duct foam 401 and a lower air duct foam 402; the lower air duct foam 402 is mounted on the lower surface of the upper air duct foam 401; wherein, two installation clamping strips 4011 are arranged on one side of the lower surface of the upwind foam 401 in parallel; a first cold air running channel 4012 is arranged between the two mounting clamping strips 4011; the other side of the lower surface of the upwind foam 401 is provided with an air return duct 4013 and a temperature sensor abdicating groove 4014; the air return duct 4013 is matched with the air return inlet 208; the temperature sensor abdicating groove 4014 is matched with the sensor mounting groove 2052 to mount and fix the temperature sensor;
wherein, two mounting slots 4021 are arranged on one surface of the lower air duct foam 402 in parallel; the mounting clamping groove 4021 is in interference fit with the mounting clamping strip 4011; a second cold air running channel 4022 is arranged between the two mounting clamping grooves 4021; the second cold air running channel 4022 is matched with the first cold air running channel 4012 to form a cold air channel; an air inlet groove 4023 is formed in one side of the second cold air running channel 4022; the air inlet groove 4023 is matched with the top of the air supply groove 3013; the bottom surface of the second cold air running channel 4022 is provided with a plurality of air outlet grooves 4024; the air outlet groove 4024 is matched with the air outlet 209;
as shown in fig. 12-13, a box cover mounting hole 501 is formed at the rear end of the upper surface of the temperature changing box cover 5; the front end of the upper surface of the temperature changing box cover 5 is provided with a decorative strip installation groove 502 for installing a decorative strip 8; a decorative strip limit groove 5021 is arranged in the middle of the decorative strip mounting groove 502; a decorative strip mounting rib 5022 is arranged below the decorative strip mounting groove 502; a decorative strip mounting clamping groove 5023 is arranged above the decorative strip mounting groove 502; two opposite side surfaces of the temperature changing box cover 5 are respectively provided with a limiting rib 503; the limiting rib 503 is matched with a limiting groove on the inner liner of the refrigerator; the back of the temperature changing box cover 5 is provided with an air return hole 504; the return air hole 504 is matched with the return air channel 4013; the lower surface of the temperature changing box cover 5 is provided with a mounting groove 505; a plurality of fixing buckles 5051 are arranged on the periphery of the mounting groove 505; the fixed buckle 5051 is clamped and matched with the cover plate mounting hole 2051; two sides of the mounting groove 505 are respectively provided with a positioning groove; the positioning groove is matched with the positioning rib 204;
as shown in fig. 14, a first air inlet 601 is formed in the middle of one end surface of the centrifugal fan 6; a first air outlet 602 is arranged on the side surface of the centrifugal fan 6; the first air outlet 602 is matched with the air supply groove 3013; a centrifugal fan mounting through hole 603 matched with the fixing bolt is formed in the side face of the centrifugal fan 6; the fixing bolt penetrates through the centrifugal fan mounting through hole 603 and is meshed with the centrifugal fan mounting screw hole 3012; the centrifugal fan 6 is adhered with a sponge strip on the periphery of the first air outlet 602, so that the sealing and damping effects can be achieved; cold air sent by the centrifugal fan 6 sequentially passes through the air supply slot 3013, the air inlet slot 4023, the cold air channel and the air outlet 209 and enters the temperature changing box 2; the return air inlet 208, the return air duct 4013 and the return air hole 504 cooperate to form a return air passage.
As shown in fig. 15, a plurality of seal ring mounting ribs 701 and seal ring positioning posts 702 are arranged on one side surface of the seal ring 7; the sealing ring mounting rib 701 is matched with the sealing ring mounting groove 206 in a clamping manner; the seal ring positioning column 702 is matched with the seal ring mounting hole 207;
as shown in fig. 16, the decorative strip 8 is installed at the front end of the upper surface of the temperature changing box cover 5; a decorative strip mounting buckle 801 is arranged at the top of one surface of the decorative strip 8; the decorative strip mounting buckle 801 is in clamping fit with the decorative strip mounting clamping groove 5023; the middle of the decorative strip 8 is provided with a limiting clamping rib 802; the limiting clamping rib 802 is matched with the decorative strip limiting groove 5021; a decorative strip mounting groove 804 is arranged below one surface of the decorative strip 8; the trim strip mounting groove 804 is matched with the trim strip mounting rib 5022; a plurality of reinforcing ribs 803 are arranged in parallel in the middle of one surface of the decorative strip 8.
As shown in fig. 17, two opposite side surfaces of the fruit and vegetable box 9 are respectively provided with a guide rail 901; a roller 902 is arranged at the front end of the guide rail 901; the guide rail 901 and the roller 902 are matched with the slide rail 202; the fruit and vegetable box 9 is assembled in the temperature changing box 2 through the guide rail 901 to store food, the fruit and vegetable box 9 is provided with a guide rail 901 and a roller 902 structure, the guide rail 901 plays a role in strengthening the fruit and vegetable box 9 in deformation resistance, and the roller 902 plays a role in muting and improving the drawing effect.
The first embodiment is as follows: as shown in fig. 18, the temperature changing device of the present application is disposed at the bottom of the refrigerating compartment of the refrigerator 10; cold air enters the refrigerating chamber from the bottom of the refrigerating chamber through the lining box and the air door, is sucked in through the centrifugal fan 6, enters the fruit and vegetable box 9 through the air supply groove 3013, the air inlet groove 4023, the cold air channel and the air outlet 209, is subjected to heat exchange with food in the fruit and vegetable box, is blown out through the air return port 208, and enters the refrigerating chamber through the main air return port of the refrigerating chamber in the box body for heat exchange, and is repeatedly circulated in such a way, so that the refrigerating chamber can be continuously refrigerated by the temperature changing device when the refrigerator 10 works; when the temperature in the fruit and vegetable box meets the temperature set by the user, the temperature sensor feeds back a signal to the control panel, and the air door is controlled to be closed by an instruction under the control panel, so that cold air in the freezing chamber is prevented from entering the fruit and vegetable box 9 in the temperature changing device. When the temperature in the fruit and vegetable box 9 is higher than the temperature set by the user, the temperature sensor feeds back a signal to the control panel, the control panel instructs the control panel to open the air door, the centrifugal fan 6 in the temperature changing device sucks cold air from the freezing chamber, the cold air enters the fruit and vegetable box 9 through the air supply groove 3013, the air inlet groove 4023, the cold air channel and the air outlet 209, and the cold air is further refrigerated to reach the temperature set by the user. The fruit and vegetable box is repeatedly circulated, so that the aim of changing the temperature of the fruit and vegetable box is fulfilled, and the requirements of users on various storage temperatures can be further met.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a refrigerator alternating temperature device, includes heat preservation (1), alternating temperature box (2), wind channel foam (4), alternating temperature lid (5) and fruit vegetables box (9), its characterized in that: the temperature changing box (2) is clamped in the heat insulating layer (1); the fruit and vegetable box (9) is movably arranged in the temperature changing box (2); the temperature changing box cover (5) is arranged at the top of the temperature changing box (2); the air duct foam (4) is arranged between the temperature changing box cover (5) and the temperature changing box (2);
an air supply duct installation groove (101) is formed in one side face of the heat insulation layer (1); an air supply duct (3) is arranged in the air supply duct mounting groove (101); the front surface of the air supply duct (3) is provided with a centrifugal fan mounting seat (301); the upper surface of the centrifugal fan mounting seat (301) is provided with a centrifugal fan mounting groove (3011); a centrifugal fan (6) is arranged in the centrifugal fan mounting groove (3011); one side of the centrifugal fan mounting groove (3011) is provided with an air supply groove (3013); a positioning boss (302) is arranged in the middle of the back of the air supply duct (3); a plurality of mounting buckles (303) are arranged on the periphery of the back face of the air supply duct (3);
the middle of the temperature changing box (2) is provided with an installation groove (201); the fruit and vegetable box (9) is slidably arranged in the mounting groove (201); a sealing ring (7) is arranged at the opening end of the mounting groove (201);
an air supply duct positioning groove (203) is formed in one side face of the mounting groove (201); the air delivery duct positioning groove (203) is matched with the positioning boss (302); a plurality of air supply duct mounting holes (2031) are arranged on two opposite sides of the air supply duct positioning groove (203) side by side; the air supply duct mounting hole (2031) is clamped and matched with the mounting buckle (303);
the upper surface of the temperature changing box (2) is provided with a first clamping groove (205); a plurality of air outlets (209) are arranged at the front end of the upper surface of the temperature changing box (2); an air return opening (208) is formed in the rear end of the upper surface of the temperature changing box (2);
wherein, a plurality of cover plate mounting holes (2051) are respectively arranged on the peripheral side surface of the first clamping groove (205); a sensor mounting groove (2052) is formed in the inner bottom surface of the first clamping groove (205); the rear end of the top of the first clamping groove (205) is provided with a wire passing hole (2053); an air supply duct mounting hole (2054) is formed in one side of the inner bottom surface of the first clamping groove (205); the air supply duct mounting hole (2054) is matched with the top of the air supply duct (3) in a clamping manner;
the air duct foam component (4) is embedded in the middle of the first clamping groove (205); the air duct foam component (4) comprises an upper air duct foam (401) and a lower air duct foam (402); the lower air duct foam (402) is arranged on the lower surface of the upper air duct foam (401);
wherein, two installation clamping strips (4011) are arranged on one side of the lower surface of the upwind foam (401) side by side; a first cold air running channel (4012) is arranged between the two mounting clamping strips (4011); the other side of the lower surface of the upwind foam (401) is provided with an air return duct (4013) and a temperature sensor abdicating groove (4014); the air return duct (4013) is matched with the air return inlet (208); the temperature sensor abdicating groove (4014) is matched with the sensor mounting groove (2052);
wherein, two mounting clamping grooves (4021) are arranged on one surface of the lower air duct foam (402) side by side; the mounting clamping groove (4021) is matched with the mounting clamping strip (4011); a second cold air running channel (4022) is arranged between the two mounting clamping grooves (4021); the second cold air running channel (4022) is matched with the first cold air running channel (4012) to form a cold air channel; an air inlet groove (4023) is formed in one side of the second cold air running channel (4022); the air inlet groove (4023) is matched with the top of the air supply groove (3013); the bottom surface of the second cold air running channel (4022) is provided with a plurality of air outlet grooves (4024); the air outlet groove (4024) is matched with the air outlet (209);
the rear end of the upper surface of the temperature changing box cover (5) is provided with a box cover mounting hole (501); the front end of the upper surface of the temperature changing box cover (5) is provided with a decorative strip installation groove (502) for installing a decorative strip (8); the back of the temperature changing box cover (5) is provided with an air return hole (504); the air return hole (504) is matched with an air return channel (4013);
the lower surface of the temperature changing box cover (5) is provided with an installation groove (505); a plurality of fixing buckles (5051) are arranged on the periphery of the mounting groove (505); the fixed buckle (5051) is clamped and matched with the cover plate mounting hole (2051);
cold air sent by the centrifugal fan (6) sequentially passes through the air supply groove (3013), the air inlet groove (4023), the cold air channel and the air outlet (209) and enters the temperature changing box (2); the air return opening (208), the air return channel (4013) and the air return hole (504) are matched to form an air return channel.
2. Refrigerator temperature-changing device according to claim 1, characterized in that the insulating layer (1) is fixed on the outer surface of the temperature-changing box (2) by 3M glue.
3. The temperature varying device of refrigerator as claimed in claim 1, wherein the installation slot (201) has two opposite side surfaces respectively provided with a sliding rail (202); two opposite side surfaces of the fruit and vegetable box (9) are respectively provided with a guide rail (901); the front end of the guide rail (901) is provided with a roller (902); the guide rail (901) and the roller (902) are matched with the sliding rail (202).
4. The temperature varying device of refrigerator as claimed in claim 1, wherein the top of the two opposite outer sides of said temperature varying box (2) is provided with a positioning rib (204); two sides of the mounting groove (505) are respectively provided with a positioning groove; the positioning groove is matched with the positioning rib (204).
5. The temperature varying device of refrigerator as claimed in claim 1, wherein the opening end of the installing groove (201) is provided with several sealing ring installing grooves (206) and sealing ring installing holes (207);
a plurality of sealing ring mounting ribs (701) and sealing ring positioning columns (702) are arranged on one side face of the sealing ring (7); the sealing ring mounting rib (701) is clamped and matched with the sealing ring mounting groove (206); and the sealing ring positioning column (702) is matched with the sealing ring mounting hole (207).
6. The temperature varying device of refrigerator as claimed in claim 1, wherein the centrifugal fan mounting slot (3011) has a centrifugal fan mounting screw hole (3012) on each side;
a first air inlet (601) is formed in the middle of one end face of the centrifugal fan (6); a first air outlet (602) is formed in the side surface of the centrifugal fan (6); the first air outlet (602) is matched with the air supply groove (3013);
a centrifugal fan mounting through hole (603) matched with the fixing bolt is formed in the side face of the centrifugal fan (6); the fixing bolt penetrates through the centrifugal fan mounting through hole (603) and is meshed with the centrifugal fan mounting screw hole (3012).
7. The temperature varying device of refrigerator as claimed in claim 1, wherein the temperature varying box cover (5) has two opposite side surfaces provided with a limiting rib (503); the limiting rib (503) is matched with a limiting groove on the inner liner of the refrigerator.
8. The temperature varying device of refrigerator as claimed in claim 1, wherein the decoration strip installing slot (502) has one decoration strip limiting slot (5021) in the middle; a decorative strip mounting rib (5022) is arranged below the decorative strip mounting groove (502); and a decorative strip mounting clamping groove (5023) is arranged above the decorative strip mounting groove (502).
9. Refrigerator temperature changing device according to claim 8, characterized in that a decorative strip mounting buckle (801) is provided on top of one surface of the decorative strip (8); the decorative strip mounting buckle (801) is in clamping fit with the decorative strip mounting clamping groove (5023);
a limiting clamping rib (802) is arranged in the middle of the decorative strip (8); the limiting clamping rib (802) is matched with the decorative strip limiting groove (5021);
a decorative strip mounting groove (804) is arranged below one surface of the decorative strip (8); the decorative strip mounting groove (804) is matched with the decorative strip mounting rib (5022);
a plurality of reinforcing ribs (803) are arranged in parallel in the middle of one surface of the decorative strip (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495762.5A CN112503824A (en) | 2020-12-17 | 2020-12-17 | Temp. changing device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495762.5A CN112503824A (en) | 2020-12-17 | 2020-12-17 | Temp. changing device for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112503824A true CN112503824A (en) | 2021-03-16 |
Family
ID=74922136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011495762.5A Pending CN112503824A (en) | 2020-12-17 | 2020-12-17 | Temp. changing device for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112503824A (en) |
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| CN113915888A (en) * | 2021-04-21 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and air circulation method |
| CN114719537A (en) * | 2022-04-13 | 2022-07-08 | 澳柯玛股份有限公司 | Constant-temperature sealing drawer and working method |
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| CN113915888A (en) * | 2021-04-21 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and air circulation method |
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| CN114719537B (en) * | 2022-04-13 | 2024-03-08 | 澳柯玛股份有限公司 | Constant-temperature sealing drawer and working method |
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