CN211372866U - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
- Publication number
- CN211372866U CN211372866U CN201922122032.XU CN201922122032U CN211372866U CN 211372866 U CN211372866 U CN 211372866U CN 201922122032 U CN201922122032 U CN 201922122032U CN 211372866 U CN211372866 U CN 211372866U
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- defrosting
- evaporator
- compartment
- drain pipe
- refrigerator
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- 238000007599 discharging Methods 0.000 claims description 41
- 238000007710 freezing Methods 0.000 claims description 12
- 230000008014 freezing Effects 0.000 claims description 12
- 230000008020 evaporation Effects 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
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- 230000006872 improvement Effects 0.000 description 10
- 108010066114 cabin-2 Proteins 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
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- Removal Of Water From Condensation And Defrosting (AREA)
Abstract
The utility model discloses a refrigerator, which comprises a box body, a defrosting system and a drainage system, wherein the box body defines a compartment for accommodating an evaporator and a press bin; the defrosting system comprises a temperature sensor and a defrosting heating wire which are arranged in the compartment, and the temperature sensor and the defrosting heating wire are arranged at the evaporator; the drainage system comprises a drainage pipe, a drainage valve and a heating device, wherein the drainage pipe is provided with a defrosting water discharge channel for communicating the chamber with the press bin, the drainage valve is movably arranged on the drainage pipe and used for opening or closing the defrosting water discharge channel, and the heating device is arranged on one side, close to the chamber, of the drainage pipe. Compared with the prior art, the utility model discloses a lay the drain valve in drain pipe department in order to prevent cold volume from drain pipe loss and hot-air from the drain pipe and get into the energy consumption that arouses in the room at evaporimeter place and increase, through laying heating device near room one side near the drain pipe, solve the problem that the drain pipe easily freezes the jam.
Description
Technical Field
The utility model relates to a refrigerator belongs to domestic appliance technical field.
Background
At present, with the improvement of life quality, the application of a frost-free refrigerator is more and more extensive, and the automatic defrosting function of the refrigerator is that defrosting water is discharged from a compartment where an evaporator is located to a press bin by a drain pipe through a defrosting heating wire arranged at the evaporator, and then is discharged out of the refrigerator. However, in this process, cold energy is easily lost from the drain pipe, or external hot air enters the compartment where the evaporator is located from the drain pipe, which increases the energy consumption of the refrigerator, and the drain pipe is easily frozen to cause blockage.
Disclosure of Invention
The utility model provides a refrigerator to solve the problem that cold volume flows off from the drain pipe in the frostless refrigerator, hot-air gets into the energy consumption that arouses from the drain pipe and increases and the drain pipe easily blocks up.
To achieve one of the above objects, an embodiment of the present invention provides a refrigerator, including,
the refrigerator comprises a box body, a compressor and a compressor, wherein the box body defines a chamber for accommodating an evaporator and a compressor bin, and a compressor is arranged in the compressor bin;
the defrosting system comprises a temperature sensor and a defrosting heating wire which are arranged in the chamber, and the temperature sensor and the defrosting heating wire are arranged at the evaporator;
the drainage system comprises a drainage pipe, a drainage valve and a heating device, wherein the drainage pipe is communicated with the chamber and a defrosting water discharge channel of the press bin, the drainage valve is movably arranged on the drainage pipe and used for opening or closing the defrosting water discharge channel, and the heating device is arranged on one side, close to the chamber, of the drainage pipe.
As a further improvement of an embodiment of the present invention, when the defrosting heating wire heats, the drain valve opens the defrosting water discharging passage, and the heating device is in a shutdown state; when the defrosting heating wire stops heating, the drain valve closes the defrosting water discharging channel, and the heating device is in a heating state.
As a further improvement of the utility model, the drain valve is the butterfly valve, the butterfly valve has the edge the pivot that the drain pipe radially set up, and wind the rotatory board that turns over of pivot, turn over the board and have and open change the first position of frost water discharge passage, turn over the board certainly first position is rotatory to the second position in order to close change frost water discharge passage.
As a further improvement of an embodiment of the present invention, the drain valve is disposed on an inner wall of the drain pipe, the heating device is disposed on an outer wall of the drain pipe and corresponds to the inside and the outside of the drain valve.
As a further improvement of an embodiment of the present invention, the drain pipe has a water inlet connected to the compartment and a water outlet connected to the press cabin, the drain valve is located the water inlet with between the water outlet, the heating device is located the drain valve with between the water inlet.
As a further improvement of an embodiment of the present invention, the heating device is located for the cover the heater strip outside the drain pipe, the heating device adopts electric heating.
As a further improvement of an embodiment of the present invention, the compartment is provided with an evaporation pan located below the evaporator, the drain pipe communicates with a bottom hole of the evaporation pan.
As a further improvement of an embodiment of the utility model, the compartment includes the storing room and is located the evaporimeter room at storing room back, the evaporimeter room with the storing room is separated and is set up and wherein lay the evaporimeter, the evaporimeter does the storing room cooling, the drain pipe with the evaporimeter room is connected, the defrosting water discharge passage intercommunication the evaporimeter room with press the storehouse.
As a further improvement of an embodiment of the utility model, the storing room is including freezing room and the walk-in of separating the setting, the evaporimeter room is provided with two, two in one of them of evaporimeter room the evaporimeter does the freezing room cooling, two in another of the evaporimeter room the evaporimeter does the walk-in cooling, the drain pipe is provided with two, two the drain pipe respectively with two the evaporimeter room is connected.
As a further improvement of an embodiment of the present invention, the refrigerator further includes a door body for opening and closing the compartment, the door body is connected to the box body, and the door body is provided with a sensing device for sensing whether the door body is opened or closed.
Compared with the prior art, the beneficial effects of the utility model reside in that: the drain valve is arranged at the drain pipe to open or close the defrosting water discharge channel, so that the loss of cold energy from the drain pipe and the increase of energy consumption caused by hot air entering a chamber where the evaporator is positioned from the drain pipe are prevented, and the problem that the drain pipe is easy to freeze and block is solved by arranging the heating device at one side of the drain pipe close to the chamber.
Drawings
Fig. 1 is a front view of a compartment and a press compartment of a refrigerator according to an embodiment of the present invention;
fig. 2 is a left side view of the compartment and the press compartment of the refrigerator according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of section A of FIG. 2;
fig. 4 is a logic flow chart of an operation control method of a refrigerator according to an embodiment of the present invention;
fig. 5 is a logic flow chart of the refrigerator according to an embodiment of the present invention when the defrosting mode is started;
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention provides a refrigerator, which includes a box body and a door body, wherein the door body is connected to the box body, the box body defines a compartment 1 for accommodating an evaporator and a pressing machine chamber 2, and a compressor is disposed in the pressing machine chamber 2.
The refrigerator also comprises a defrosting system and a drainage system.
Wherein, the system of changing frost is including locating temperature sensor and the heater strip 11 of changing frost in room 1, temperature sensor and the heater strip 11 of changing frost are located evaporimeter department, temperature sensor is used for the temperature of real-time supervision evaporimeter, and the heater strip 11 of changing frost is used for providing the heat in order to change the frost.
Referring to fig. 3, the drain system includes a drain pipe 3, a drain valve, and a heating device. The drain pipe 3 is provided with a defrosting water discharging channel for communicating the chamber 1 and the press cabin 2, so that defrosting water in the chamber 1 is discharged into the press cabin 2 and then discharged out of the box body. The drain valve is movably arranged on the drain pipe 3, the defrosting water discharging channel is opened when defrosting water is discharged, the defrosting water discharging channel is closed when defrosting water is not discharged, and the phenomenon that cold energy in the compartment 1 is lost when the drain pipe 3 is normally opened is avoided, or external hot air enters the compartment 1 from the drain pipe 3 to enable the refrigerator to need additional refrigeration to offset the heat, so that the energy consumption of the refrigerator is effectively reduced. The heating device is arranged on one side, close to the compartment 1, of the drain pipe 3 to heat the drain valve, the drain pipe 3 and the defrosting water discharging channel, so that defrosting water is prevented from being remained in the drain pipe 3 and being frozen to block the defrosting water discharging channel.
Further, when the defrosting heating wire 11 heats, the frost in the chamber 1 melts into water, the drain valve opens the defrosting water discharging channel to discharge the defrosting water, and the heating device is in a shutdown state at this time; when the defrosting heating wire 11 stops heating, the drain valve closes the defrosting water discharging channel, so that the cold energy is prevented from being lost from the defrosting water discharging channel or hot air enters the compartment 1 from the defrosting water discharging channel, and the heating device is in a heating state at the moment.
Further, the refrigerator also comprises a control system, wherein the control system is respectively connected with the refrigerator body, the door body, the defrosting system and the drainage system and is used for:
judging whether the refrigerator reaches a starting condition of a defrosting mode, controlling a defrosting heating wire 11 to start heating when the refrigerator reaches the starting condition of the defrosting mode, and acquiring the temperature of the evaporator in real time;
judging whether the heating of the defrosting heating wire 11 reaches the defrosting water discharging condition or not, and controlling the heating device to stop heating and the drain valve to open the defrosting water discharging channel when the heating of the defrosting heating wire 11 reaches the defrosting water discharging condition;
and judging whether the refrigerator meets the stop condition of the defrosting mode, controlling the defrosting heating wire 11 to stop heating when the refrigerator meets the stop condition of the defrosting mode, controlling the drain valve to close the defrosting water discharge channel, and enabling the heating device to be in a heating state.
Further, the drain valve is electrically connected with the control system. In this embodiment, the drain valve is a butterfly valve, the butterfly valve has a rotating shaft radially arranged along the drain pipe 3, and a turning plate rotating around the rotating shaft, the turning plate has a first position for opening the defrosting water discharge passage, and the turning plate rotates from the first position to a second position for closing the defrosting water discharge passage. In other embodiments, the drain valve may also be a clamping plate type butterfly valve, which includes two turning plates and two rotating shafts respectively penetrating through the two turning plates, the two rotating shafts are arranged in parallel, the two turning plates respectively rotate around the rotating shafts, when the two turning plates are located on the same plane and are horizontally arranged in the defrosting water discharging channel, the drain valve closes the defrosting water discharging channel, and when the two turning plates rotate to be parallel to the axial direction of the drain pipe 3 and the two turning plates are in a stacked state, the drain valve opens the defrosting water discharging channel. In other embodiments, the drain valve may be of a telescopic structure or other forms as long as it can open or close the defrosting water discharging passage.
Further, the drain valve is arranged on the inner wall of the drain pipe 3, the heating device is arranged on the outer wall of the drain pipe 3 and corresponds to the inside and the outside of the drain valve, so that the heating device heats the drain pipe 3 and the drain valve, and the defrosting water discharging channel is prevented from being blocked due to icing.
Further, drain pipe 3 has the water inlet of being connected with compartment 1 and the outlet of being connected with press storehouse 2, the drain valve is located the water inlet with between the outlet, because the water of defrosting takes place in compartment 1, drain pipe 3 freezes and mainly lies in one section near compartment 1, consequently, will heating device locate the drain valve with between the water inlet to the position heating that freezes most easily improves heating device's heat utilization ratio, reduces the energy consumption as far as possible.
Further, the heating device is a heating wire sleeved outside the drain pipe 3, the heating device is electrically heated, so that the heating device is electrically connected with the control system, the control system controls the heating device to heat or stop heating, and the automatic control of the refrigerator is realized.
Further, the compartment 1 is provided with an evaporation pan located below the evaporator, the evaporation pan is used for receiving and storing defrosting water, the evaporation pan is provided with a bottom hole, the drain pipe 3 is communicated with the bottom hole, and the defrosting water can flow out of the evaporation pan to the pressing machine bin 2 through the bottom hole and the defrosting water discharge channel.
Further, the compartment 1 has a storage chamber for storing articles and an evaporator chamber located at the back of the storage chamber, the evaporator chamber is arranged separately from the storage chamber, the evaporator and the evaporation pan are arranged in the evaporator chamber, and the evaporation pan is located below the evaporator. The evaporator supplies cold for the storage chamber, one end of a drain pipe 3 is connected with the evaporator chamber, and the other end of the drain pipe is connected to the press cabin 2, so that the defrosting water discharge channel is communicated with the evaporator chamber and the press cabin 2.
Further, the storing room is including the freezer and the walk-in that separate the setting, in this embodiment, the freezer with relative setting about the walk-in, the evaporimeter room is provided with two, two one in the evaporimeter room set up in the back of freezer, and wherein the evaporimeter does the freezer cooling, two another in the evaporimeter room set up in the back of walk-in, and wherein the evaporimeter does the walk-in cooling. In addition, two drain pipes 3 are provided, two drain pipes 3 are respectively connected with the two evaporator chambers, and both drain pipes 3 are connected with the press cabin 2 to drain defrosting water in the evaporator chambers into the press cabin 2. In other embodiments, the freezing chamber and the refrigerating chamber may be disposed opposite to each other up and down, or the freezing chamber has a plurality of freezing chambers, or the refrigerating chamber has a plurality of refrigerating chambers, correspondingly, each back of the freezing chamber or the refrigerating chamber has the evaporator chamber separately disposed therefrom, each evaporator chamber is connected with one drain pipe 3, and a plurality of drain pipes 3 are connected with the pressing chamber 2 to drain defrosting water in each evaporator chamber to the pressing chamber 2.
Furthermore, the door body can be opened or closed the freezing chamber or the refrigerating chamber, a sensing device for sensing the opening or closing of the door body is arranged on the door body, the sensing device can sense the relative distance between the door body and the refrigerator body so as to judge whether the door body is opened or not, or sense in other modes, and only whether the door body is opened or not can be judged. The control system senses whether the door body is in an open state or a closed state through the sensing device, and controls the defrosting heating wire 11 to heat in combination with the running time of the compressor.
Referring to fig. 4, another embodiment of the present invention provides an operation control method of a refrigerator, including the steps of:
controlling a drain valve to close a defrosting water discharging channel between the compartment 1 and the press cabin 2, and enabling a heating device in the defrosting water discharging channel to be in a heating state;
collecting the temperature at the evaporator in real time;
when the refrigerator reaches the starting condition of a defrosting mode, controlling the defrosting heating wire 11 to start heating and synchronously timing, and when the defrosting heating wire 11 heats and reaches the defrosting water discharging condition, controlling the heating device on the water discharging valve to stop heating, and controlling the water discharging valve to open a defrosting water discharging channel;
and when the stopping condition of the defrosting mode is met, controlling the defrosting heating wire 11 to stop heating, and returning to the step of controlling the drain valve to close the defrosting water discharge passage between the compartment 1 and the press cabin 2 and enabling the heating device in the defrosting water discharge passage to be in a heating state.
Thus, when defrosting is not performed, the heating device on the drain pipe 3 is kept in a heating state, the drain pipe 3 is prevented from being blocked due to freezing, the drain valve is kept to close the defrosting water discharging channel, and the cold energy loss in the compartment 1 or the hot air enters the compartment 1 from the defrosting water discharging channel is avoided; the defrosting mode can be controlled to be started according to the running time of the compressor and the opening time of the door body, so that timely defrosting is ensured, and the condition that the frost in the chamber 1 is excessively accumulated and pressed is avoided; according to the heating condition of the defrosting heating wire 11, the discharging of defrosting water is accurately controlled, and the cold loss caused by the premature opening of the defrosting water discharging channel or the energy consumption increase caused by cold exchange is avoided; the stop condition of the defrosting mode is set, so that the situations of poor refrigeration effect, cold loss and the like caused by infinite heating of the defrosting heating wire 11 are avoided.
Referring to fig. 5, further, the starting conditions of the defrosting mode are:
the compressor continuous operation time Tcp reaches a preset time Tcp 1;
or the compressor intermittently operates and the door body of the storage chamber is opened to meet a first preset condition, the first preset condition is that the accumulated operation time Tci of the compressor corresponds to a first preset time interval, and the opening time Td of the door body exceeds a first preset time Td 1;
or the compressor intermittently operates and the door body of the storage chamber is opened to meet a second preset condition, wherein the second preset condition is that the accumulated operation time Tci of the compressor corresponds to a second preset time interval, and the opening time Td of the door body exceeds a second preset time Td 2;
wherein the minimum value of the second preset time interval is greater than the maximum value of the first preset time interval, and the second preset time Td2 is less than the first preset time Td 1.
That is, when one of the above conditions is satisfied, the refrigerator starts the defrosting mode, and controls the defrosting heating wire 11 to start heating.
In addition, different starting conditions of the defrosting mode can be set according to the ambient temperature of the refrigerator, and specifically, the preset time Tcp1 of the compressor continuous operation time Tcp, the first preset time interval, the first preset time Td1 of the door opening time Td, the second preset time interval, and the second preset time Td2 of the door opening time Td can be adjusted according to actual conditions, so long as the operation control method of the refrigerator is adopted.
Further, the defrosting water discharging condition is that the heating time Th of the defrosting heating wire 11 reaches the first preset time Th1, and/or the temperature H at the evaporator exceeds the first set threshold H1. That is, when the heating time Th of the defrosting heating wire 11 reaches the first preset time Th1, and/or the temperature H at the evaporator exceeds the first set threshold H1, the control system controls the heating device on the drain valve to stop heating, and controls the drain valve to open the defrosting water discharging passage, so as to discharge the defrosting water from the compartment 1 to the press cabin 2.
Further, the stop condition of the defrosting mode is as follows: the heating time Th of the defrosting heating wire 11 reaches the second preset time Th2 and/or the temperature H at the evaporator exceeds the second set threshold H2. That is, when the heating time Th of the defrosting heating wire 11 reaches the second preset time Th2, and/or the temperature H at the evaporator exceeds the second set threshold H2, the control system controls the defrosting heating wire 11 to stop heating, controls the drain valve to close the defrosting water discharging passage between the compartment 1 and the press chamber 2, and makes the heating device of the defrosting water discharging passage in a heating state, and controls the defrosting heating wire 11 to start heating when the next refrigerator reaches the starting condition of the defrosting mode.
To sum up, the beneficial effects of the utility model reside in that: the utility model discloses a refrigerator and an operation control method thereof, which prevents the loss of cold energy from the drain pipe 3 and the increase of energy consumption caused by the hot air entering the compartment 1 where the evaporator is positioned from the drain pipe 3 by arranging the drain valve at the drain pipe 3 to open or close the defrosting water discharge channel, and solves the problem that the drain pipe 3 is easy to freeze and block by arranging the heating device at the drain valve; by controlling the refrigerator to start or stop the defrosting mode, the defrosting water discharging channel is prevented from being blocked due to freezing by utilizing the cooperation of the defrosting heating wire 11, the drain valve and the heating device of the defrosting water discharging channel, the defrosting water discharging channel is opened by the drain valve during defrosting so as to smoothly discharge defrosting water out of the chamber 1, the defrosting water discharging channel is closed by the drain valve during defrosting, and meanwhile, the heating device heats the defrosting water discharging channel, so that the defrosting water discharging channel is prevented from being blocked due to freezing, the loss of cold energy from the drain pipe 3 and the increase of energy consumption caused by hot air entering the chamber 1 where the evaporator is positioned from the drain pipe 3 are avoided, and the accurate control and the energy conservation and consumption reduction are realized.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The detailed description set forth above is only a specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A refrigerator is characterized by comprising a refrigerator body,
the refrigerator comprises a box body, a compressor and a compressor, wherein the box body defines a chamber for accommodating an evaporator and a compressor bin, and a compressor is arranged in the compressor bin;
the defrosting system comprises a temperature sensor and a defrosting heating wire which are arranged in the chamber, and the temperature sensor and the defrosting heating wire are arranged at the evaporator;
the drainage system comprises a drainage pipe, a drainage valve and a heating device, wherein the drainage pipe is communicated with the chamber and a defrosting water discharge channel of the press bin, the drainage valve is movably arranged on the drainage pipe and used for opening or closing the defrosting water discharge channel, and the heating device is arranged on one side, close to the chamber, of the drainage pipe.
2. The refrigerator according to claim 1, wherein the drain valve opens the defrosting water discharging passage and the heating means is in a stopped state when the defrosting heating wire heats; when the defrosting heating wire stops heating, the drain valve closes the defrosting water discharging channel, and the heating device is in a heating state.
3. The refrigerator according to claim 1, wherein the drain valve is a butterfly valve having a rotation shaft disposed radially along the drain pipe, and a flap rotated about the rotation shaft, the flap having a first position to open the defrosting water discharge passage, the flap being rotated from the first position to a second position to close the defrosting water discharge passage.
4. The refrigerator according to claim 1, wherein the drain valve is provided on an inner wall of the drain pipe, and the heating device is provided on an outer wall of the drain pipe and corresponds to the inside and the outside of the drain valve.
5. The refrigerator according to claim 1, wherein the drain pipe has a water inlet connected to the compartment and a water outlet connected to the pressing chamber, the drain valve is provided between the water inlet and the water outlet, and the heating device is provided between the drain valve and the water inlet.
6. The refrigerator according to claim 1, wherein the heating device is a heating wire sleeved outside the drain pipe, and the heating device is electrically heated.
7. The refrigerator according to claim 1, wherein the compartment is provided with an evaporation pan located below the evaporator, and the drain pipe communicates with a bottom hole of the evaporation pan.
8. The refrigerator as claimed in claim 1, wherein the compartment includes a storage compartment and an evaporator compartment at a back of the storage compartment, the evaporator compartment being provided separately from the storage compartment and in which the evaporator is disposed, the evaporator supplying cool to the storage compartment, the drain pipe being connected to the evaporator compartment, the defrosting water discharge passage communicating the evaporator compartment with the press compartment.
9. The refrigerator as claimed in claim 8, wherein the storage chamber includes a freezing chamber and a refrigerating chamber separately provided, two evaporator chambers are provided, the evaporator in one of the two evaporator chambers supplies cold to the freezing chamber, the evaporator in the other of the two evaporator chambers supplies cold to the refrigerating chamber, and two drain pipes are provided and connected to the two evaporator chambers, respectively.
10. The refrigerator according to claim 1, further comprising a door body for opening and closing the compartment, wherein the door body is connected with the refrigerator body, and a sensing device for sensing the opening or closing of the door body is arranged on the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122032.XU CN211372866U (en) | 2019-12-02 | 2019-12-02 | Refrigerator with a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122032.XU CN211372866U (en) | 2019-12-02 | 2019-12-02 | Refrigerator with a door |
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| Publication Number | Publication Date |
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| CN211372866U true CN211372866U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922122032.XU Active CN211372866U (en) | 2019-12-02 | 2019-12-02 | Refrigerator with a door |
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| CN (1) | CN211372866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648792A (en) * | 2020-12-24 | 2021-04-13 | Tcl家用电器（合肥）有限公司 | Refrigerator defrosting control method, refrigerator defrosting control device and refrigerator |
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2019
- 2019-12-02 CN CN201922122032.XU patent/CN211372866U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648792A (en) * | 2020-12-24 | 2021-04-13 | Tcl家用电器（合肥）有限公司 | Refrigerator defrosting control method, refrigerator defrosting control device and refrigerator |
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