CN112797708B - Anti-blocking frost layer collecting device and method and refrigerator - Google Patents
Anti-blocking frost layer collecting device and method and refrigerator Download PDFInfo
- Publication number
- CN112797708B CN112797708B CN202110098898.0A CN202110098898A CN112797708B CN 112797708 B CN112797708 B CN 112797708B CN 202110098898 A CN202110098898 A CN 202110098898A CN 112797708 B CN112797708 B CN 112797708B
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- frost layer
- frost
- collecting
- stirring
- clogging
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000012943 hotmelt Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000010257 thawing Methods 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000155 melt Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
- F25D2321/142—Collecting condense or defrost water; Removing condense or defrost water characterised by droplet guides
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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)
- Defrosting Systems (AREA)
Abstract
The invention discloses an anti-blocking frost layer collecting device, an anti-blocking frost layer collecting method and a refrigerator, wherein the anti-blocking frost layer collecting device comprises a shell for collecting frost layers, a drain hole communicated with the outside is formed in the bottom of the shell, and the shell is internally provided with: the hot melting assembly is fixed in the shell and used for heating the frost layer; and the stirring assembly is rotatably connected in the shell and used for increasing the contact area between the hot melting assembly and the frost layer. According to the invention, through the arrangement, the shell is arranged for collecting the frost layer removed from the refrigerating system, and the frost layer is melted into small blocks or even liquid through the hot melting assembly, so that the defrosting and defrosting speed is accelerated, the risk that the drainage position is blocked by a large volume of frost layer is reduced, and the arrangement of the stirring assembly can increase the contact area between the frost layer and the hot melting assembly and improve the heat exchange efficiency on one hand, and accelerate the intermolecular thermal motion between the frost layers through stirring and further improve the melting speed of the frost layer on the other hand.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to an anti-blocking frost layer collecting device and method and a refrigerator.
Background
The surface of an evaporator of the refrigerator can be frosted after the evaporator works for a period of time, a large block of frost is easy to fall off in the defrosting process of the evaporator, the fallen frost is difficult to melt in a short time, and the falling frost is easy to block after entering a drain pipe.
Patent No. CN108700361A proposes a defrosting method, which can peel off the root of the frost layer from the heat exchanger without interrupting the cooling process, and can peel off the frost layer by vibration or the like. The defrosting mode can realize defrosting of the evaporator without stopping, but when the method is used for defrosting, a large amount of frost layers often fall off and are accumulated directly, and the phenomenon of blocking a drain pipe is aggravated.
Disclosure of Invention
In order to overcome the defect that a drain pipe is easy to block during defrosting in the prior art, the invention provides an anti-blocking frost layer collecting device, an anti-blocking frost layer collecting method and a refrigerator.
The technical scheme adopted by the invention is that the anti-blocking frost layer collecting device comprises a shell for collecting the frost layer, wherein the bottom of the shell is provided with a drain hole communicated with the outside, and the anti-blocking frost layer collecting device is characterized in that:
the hot melting assembly is fixed in the shell and used for heating the frost layer;
and the stirring assembly is rotatably connected in the shell and is used for increasing the contact area between the hot melting assembly and the frost layer.
Preferably, the hot melting assembly comprises at least one heating wire, and the stirring assembly comprises at least one stirring roller.
Preferably, the heating wire is positioned in the stirring roller, and the stirring roller is made of a heat-conducting insulating material.
Preferably, the stirring subassembly is including being fixed in the motor of casing bottom, many stirring rollers of being connected with motor power, many the stirring roller all arranges and the upper end outwards is the slope setting along vertical direction.
Preferably, the bottom of the shell is also provided with a bearing sensor, and the bearing sensor is in signal connection with the motor.
Preferably, the bottom of the shell is connected with a water collecting funnel, and the bottom area of the shell covered by the water collecting funnel is provided with a plurality of water discharging holes.
Preferably, the bottom of the water collection funnel is communicated with the water collection disc through a drain pipe.
Preferably, the casing top is provided with the dish that gathers frost, the upper end opening of the dish that gathers frost is big and be greater than the open area of casing, lower extreme opening are little and with the inside intercommunication of casing, the lateral wall of the dish that gathers frost is inclined plane or cambered surface.
The invention also provides an anti-blocking frost layer collecting method, which adopts the anti-blocking frost layer collecting device and comprises the following specific steps: and collecting the fallen frost layer, starting the heating assembly and the stirring assembly, cutting and melting the frost layer, and then discharging.
The invention also proposes a refrigerator comprising an anti-clogging frost layer collecting device as described previously.
Preferably, the anti-clogging frost layer collecting device is positioned right below the evaporator.
Compared with the prior art, the invention has the following beneficial effects:
set up the casing and be arranged in collecting the frost layer that gets off among the refrigerating system, and melt the frost layer into fritter or even liquid through hot melt subassembly, the speed of defrosting has not only been accelerated, the risk of drainage position blockked up by bulky frost layer has also been reduced, in addition the setting of stirring subassembly, on the one hand can increase the area of contact between frost layer and the hot melt subassembly, improve heat exchange efficiency, on the other hand accelerates the intermolecular hot motion between the frost layer through the stirring, the speed that the frost layer melts has further been improved.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a front view of the structure of the present embodiment;
FIG. 3 is a schematic view of a stirring assembly and a heating assembly;
FIG. 4 is a schematic view of the steps of the present embodiment;
fig. 5 is a flowchart of the present embodiment.
1. An evaporator; 2. a frost collecting tray; 21. a frost leakage hole; 3. a housing; 31. a stirring roller; 32. a motor; 33. a drain hole; 34. heating wires; 35. a load bearing sensor; 36. a resistance strain gauge; 4. a water collection funnel; 5. a drain pipe; 6. a water collection tray.
Detailed Description
A kind of anti-block frost layer gathering unit, can apply to the refrigerating system such as the refrigerator, especially after the surface of the evaporator 1 is frosted, because the frost layer of the large area will drop and concentrate in the water-collecting tray 6 under through the form of shaking or hot melt while defrosting, if not dealing with the frost layer piled up again, it is apt to block the delivery port of the water-collecting tray 6, and the frost layer piled up in itself melts and takes longer time under the natural state too, the inefficiency.
Therefore, as shown in fig. 1-3, the anti-clogging frost layer collecting device comprises a casing 3 for collecting frost layers, a drain hole 33 communicated with the outside is opened at the bottom of the casing 3, and the casing 3 is internally provided with:
a hot melt assembly fixed in the housing 3 for a hot melt layer;
and an agitating assembly rotatably coupled to the inside of the case 3 for increasing a contact area between the hot-melt assembly and the frost layer.
Set up casing 3 and be arranged in collecting the frost layer that gets rid of among the refrigerating system to melt the frost layer through hot melt subassembly and become the fritter even liquid, not only accelerated the speed of defrosting and changing frost, also reduced the risk that the drainage position was blockked up by bulky frost layer, in addition the setting of stirring subassembly, can increase the area of contact between frost layer and the hot melt subassembly, further improved the speed that the frost layer melts.
Wherein the hot melting component comprises at least one heating wire 34, and the stirring component comprises at least one stirring roller 31. In this embodiment, the heating wire 34 is disposed in the stirring roller 31 and is arranged along the length direction of the stirring roller 31, the stirring roller 31 is made of a heat-conducting and insulating material, such as plastic or rubber, and along with the stirring of the stirring roller 31 in the housing 3, the linear contact between the originally static heating wire and the frost layer can be changed into dynamic planar contact, so that the heat of the heating wire 34 can exchange heat with more frost layers, thereby greatly accelerating the melting of the frost layer, and the accumulated frost layer can be cut into small blocks with unequal volumes as soon as possible, thereby reducing the possibility of blocking the drainage position when the frost layer is accumulated.
Of course, in another embodiment, the heating wire 34 and the stirring roller 31 may be separately arranged, for example, the heating wire 34 is fixed on the bottom or the side wall of the housing 3, and the stirring roller 31 is used for stirring the frost layer collected in the housing 3, and the effect of increasing the contact area between the frost layer and the heating wire 34 can also be achieved. Of course, the outer part of the heating wire 34 in this embodiment needs to be wrapped with a heat-conducting and insulating outer covering material to prevent electric leakage.
Further, the stirring subassembly in this embodiment is including being fixed in motor 32, the many stirring roller 31 of being connected with motor 32 power of 3 bottoms of casing, many stirring roller 31 all arranges and the upper end outwards is the slope setting along vertical direction, has set up three stirring rollers 31 in the embodiment in total, and the bottom of three stirring rollers 31 is all fixed on motor 32 and is rotated with motor 32 is synchronous, and the upper end all leans out and is the open mode, and all is provided with the foretell heater strip 34 in each stirring roller 31. When the motor 32 is turned on, the three stirring rollers 31 are driven to rotate, and meanwhile, the heating wire 34 also works to generate heat, so that the temperature of the three stirring rollers 31 is raised to a higher temperature, and the stirring rollers 31 can cut the frost layer accumulated in the shell 3 into small-volume blocks until the frost layer is melted into liquid.
In order to timely discharge the melted water, a drain hole 33 is formed in the bottom of the housing 3, a water collecting funnel 4 is fixedly connected to the bottom of the housing 3, a drain pipe 5 is connected to the bottom of the water collecting funnel 4, the drain pipe 5 is communicated with the water collecting tray 6 for draining water, and a plurality of drain holes 33 are formed in the bottom area of the housing 3 covered by the water collecting funnel 4, so that the frost layer in the housing 3 can quickly leak from the plurality of drain holes 33 after being melted.
Further, at least one bearing sensor 35 is installed at the bottom of the shell 3, and a resistance type strain gauge is installed between the bottom of the shell 3 and the bearing sensor 35 and used for collecting the change of the internal bearing weight of the shell 3, so that whether a frost layer exists in the shell 3 and needs to be stirred and heated by the stirring roller 31 or not is judged, and the working start and stop of the motor 32 and the heating wire 34 are controlled.
Meanwhile, in order to improve the effective contact between the stirring roller 31 and the frost layer in the casing 3, the casing 3 is provided as a cylindrical hollow casing 3 with an open upper end, which has a sufficient height to accommodate more frost layers, and the diameter of the casing 3 needs to be controlled within a certain range, otherwise the frost layer at the outer edge will not contact with the stirring roller 31. In order to improve the frost layer collecting effect of the casing 3, in this embodiment, the upper portion of the casing 3 is further provided with a frost collecting disc 2, an upper end opening of the frost collecting disc 2 is large and larger than an opening area of the casing 3, a lower end opening of the frost collecting disc 2 is small and communicated with the inside of the casing 3, and a side wall of the frost collecting disc 2 is an inclined plane or an arc surface.
During specific installation, the frost collecting disc 2 is fixedly installed right below the evaporator 1 and used for collecting frost layers falling off from the evaporator 1, the frost layers are collected into the shell 3 through the frost leaking holes 21 in the bottom end of the frost collecting disc 2, at the moment, the motor 32 is started, the heating wires 34 are started, the frost layers are melted while being stirred and cut, and finally the frost layers are discharged from the water discharging holes 33 and flow into the water collecting disc 6 through the water discharging pipe 5.
As shown in fig. 4, the method for collecting the anti-clogging frost layer in this embodiment includes:
when the evaporator 1 starts the defrosting mode, the electric control module controls the stirring roller 31 in the shell 3 to rotate and the heating wire 34 to heat;
the frost layer on the evaporator 1 falls off and enters the shell 3 through the frost collecting plate 2;
the frost layer is rapidly thermally melted into small blocks or melted into water in the shell 3 by stirring and heating, and is discharged from the water discharge hole 33;
the water collecting funnel 4 collects water discharged from the water discharge hole 33 and discharges the water to the water collecting tray 6 through the water discharge pipe 5.
As shown in fig. 5, the control flow of this embodiment is:
1. judging whether the refrigerator starts a defrosting mode or not, and if not, not starting the refrigerator;
2. if the refrigerator has started the defrost mode, judging whether the weight inside the case 3 is greater than the weight of the empty cup by the load sensor 35;
21. if the weight inside the casing 3 is greater than the weight of the empty cup, the anti-clogging frost layer collecting device is opened: the electric control module starts the motor 32 and the heating wire 34, the stirring roller 31 starts to rotate, the step 2 is returned, and whether the weight inside the shell 3 is larger than that of the empty cup is judged again through the bearing sensor 35, so that circulation is carried out;
22. if the weight of the interior of the shell 3 is not more than the weight of the empty cup, judging whether the defrosting mode of the refrigerator is closed or not;
221. if the defrosting mode of the refrigerator is not closed, returning to the step 2, and judging whether the weight inside the shell 3 is larger than the weight of the empty cup again through the load-bearing sensor 35;
222. if the defrosting mode of the refrigerator is closed, the electric control module controls the stirring component and the heating wire 34 to stop acting, and the operation is finished.
Meanwhile, the embodiment also discloses a refrigerator, which comprises an evaporator 1 and the anti-blocking frost layer collecting device, wherein the anti-blocking frost layer collecting device is arranged right below the evaporator 1. Of course, the refrigerator can be replaced by other refrigeration equipment, such as an air conditioner, an ice chest and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Prevent blockking up frost layer collection device, including the casing that is used for collecting the frost layer, open at the casing bottom has the wash port of intercommunication outside, its characterized in that, be equipped with in the casing:
the hot melting assembly is fixed in the shell and used for heating the frost layer;
stirring subassembly, rotate connect in be used for increasing the area of contact between hot melt subassembly and the frost layer in the casing and cutting the frost layer, hot melt subassembly includes an at least heater strip, stirring subassembly includes an at least stirring roller, the heater strip is located the stirring roller, the stirring roller is made for heat conduction insulating material.
2. The anti-clogging frost layer collecting apparatus according to claim 1, wherein said stirring assembly comprises a motor fixed to the bottom of said housing, a plurality of stirring rollers power-connected to said motor, said plurality of stirring rollers being vertically disposed and having upper ends inclined outwardly.
3. The anti-clogging frost layer collecting apparatus of claim 2 wherein said housing bottom further comprises a load sensor, said load sensor being in signal communication with said motor.
4. The anti-clogging frost layer collecting apparatus of claim 1, wherein said housing bottom is connected to a water collecting funnel, and a plurality of said drainage holes are opened in a bottom region of said housing covered by said water collecting funnel.
5. The anti-clogging frost layer collecting apparatus of claim 4 wherein said water collection funnel bottom communicates with said water collection pan through a drain.
6. The anti-clogging frost layer collecting device of claim 1, wherein a frost collecting plate is disposed above said housing, said frost collecting plate has an upper opening larger than the opening area of said housing and a lower opening smaller than the opening area of said housing and is communicated with the inside of said housing, and the side wall of said frost collecting plate is an inclined surface or an arc surface.
7. The method for collecting the anti-clogging frost, characterized in that the device for collecting the anti-clogging frost according to any one of claims 1 to 6 is used, and comprises the following steps: and collecting the fallen frost layer, starting the heating assembly and the stirring assembly, cutting and melting the frost layer, and then discharging.
8. Refrigerator, characterized in that it comprises an anti-clogging frost layer collecting device according to any of claims 1 to 6.
9. The refrigerator of claim 8, further comprising an evaporator, wherein the anti-clog frost layer collection device is located directly below the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098898.0A CN112797708B (en) | 2021-01-25 | 2021-01-25 | Anti-blocking frost layer collecting device and method and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098898.0A CN112797708B (en) | 2021-01-25 | 2021-01-25 | Anti-blocking frost layer collecting device and method and refrigerator |
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| Publication Number | Publication Date |
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| CN112797708A CN112797708A (en) | 2021-05-14 |
| CN112797708B true CN112797708B (en) | 2022-06-10 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006145140A (en) * | 2004-11-22 | 2006-06-08 | Sharp Corp | Drain water evaporator |
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| CN205482017U (en) * | 2016-03-07 | 2016-08-17 | 三门峡义翔铝业有限公司 | High temperature liquid cooling heat exchanger for chemical production |
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| CN208091038U (en) * | 2018-04-11 | 2018-11-13 | 合肥美的电冰箱有限公司 | Direct cooling refrigerator |
| CN109458782A (en) * | 2018-12-20 | 2019-03-12 | 湖北美的电冰箱有限公司 | Refrigerator |
| CN111023682A (en) * | 2019-12-11 | 2020-04-17 | 珠海格力电器股份有限公司 | Anti-ice-blocking device and refrigerator with same |
| CN210718292U (en) * | 2019-10-29 | 2020-06-09 | 广西职业技术学院 | E-commerce product refrigeration equipment |
| CN210832693U (en) * | 2019-09-12 | 2020-06-23 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN111609643A (en) * | 2019-02-26 | 2020-09-01 | 青岛海尔电冰箱有限公司 | Funnel for preventing drain pipe of refrigerator from being blocked and refrigerator |
| CN211424834U (en) * | 2019-12-17 | 2020-09-04 | 珠海格力电器股份有限公司 | Heat exchanger assembly with anti-blocking structure and refrigerator |
| CN212029982U (en) * | 2020-04-17 | 2020-11-27 | 烟台晟煊制冷设备有限公司 | Low-temperature frostless air cooler at subzero temperature |
-
2021
- 2021-01-25 CN CN202110098898.0A patent/CN112797708B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006145140A (en) * | 2004-11-22 | 2006-06-08 | Sharp Corp | Drain water evaporator |
| CN201429292Y (en) * | 2009-07-03 | 2010-03-24 | 海信科龙电器股份有限公司 | Water receiving tank structure for refrigerator |
| CN107036336A (en) * | 2016-02-03 | 2017-08-11 | 夏普株式会社 | Vaporising device and the refrigerator including the vaporising device |
| CN205482017U (en) * | 2016-03-07 | 2016-08-17 | 三门峡义翔铝业有限公司 | High temperature liquid cooling heat exchanger for chemical production |
| CN208091038U (en) * | 2018-04-11 | 2018-11-13 | 合肥美的电冰箱有限公司 | Direct cooling refrigerator |
| CN109458782A (en) * | 2018-12-20 | 2019-03-12 | 湖北美的电冰箱有限公司 | Refrigerator |
| CN111609643A (en) * | 2019-02-26 | 2020-09-01 | 青岛海尔电冰箱有限公司 | Funnel for preventing drain pipe of refrigerator from being blocked and refrigerator |
| CN210832693U (en) * | 2019-09-12 | 2020-06-23 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
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| CN212029982U (en) * | 2020-04-17 | 2020-11-27 | 烟台晟煊制冷设备有限公司 | Low-temperature frostless air cooler at subzero temperature |
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| CN112797708A (en) | 2021-05-14 |
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