CN212205274U - Air pipe device for refrigerator and refrigerator - Google Patents
Air pipe device for refrigerator and refrigerator Download PDFInfo
- Publication number
- CN212205274U CN212205274U CN202020418016.5U CN202020418016U CN212205274U CN 212205274 U CN212205274 U CN 212205274U CN 202020418016 U CN202020418016 U CN 202020418016U CN 212205274 U CN212205274 U CN 212205274U
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Abstract
The utility model provides a tuber pipe device and refrigerator for refrigerator. The tuber pipe device includes the tuber pipe, and it still includes: the memory alloy air door is provided with a heat conduction part and a blocking part connected with the heat conduction part, the heat conduction part is arranged on the outer side of the air pipe, the blocking part is positioned in the air pipe, and the blocking part is configured to be connected with or disconnected with the air pipe; and a heating device installed outside the air duct and thermally connected to the heat conduction portion, the heating device being configured to heat at least the heat conduction portion so that the blocking portion operates to turn on the air duct. The air conditioner is provided with the memory alloy air door, the shape of the air conditioner can be controlled through temperature, so that the memory alloy air door has two working states, one state is presented at a specific temperature, the other state is presented at other temperatures, the states are respectively a state of disconnecting the air pipe and a state of connecting the air pipe, and the on-off control of a smaller air duct can be realized.
Description
Technical Field
The utility model relates to a refrigeration storing field especially relates to an tuber pipe device and refrigerator for refrigerator.
Background
At present, the cold air transmission mode between the freezing chamber and the refrigerating chamber of the refrigerator is basically that the cold air is transmitted after being connected with each chamber through an air duct or an air pipe, the temperature in the refrigerating chamber (temperature changing chamber) is usually set within the range of 5 to-5 ℃, the temperature of the freezing chamber is usually set at about 18 ℃ below zero, when the refrigerator stops working, in order to avoid the mutual influence of the freezing chamber and the refrigerating chamber, the quality problems of freezing/frosting and the like are caused, an air door is arranged inside the air duct, the air door is opened under a specific working condition when the refrigerator operates, the air door is closed when the refrigerator does not need to be used, meanwhile, the frosting/freezing air door is caused for avoiding the temperature difference, and the heating wire. At present, the air door basically performs mechanical motion through a micro motor, the existing air door is complex in structure and occupies a large space by combining the conditions, and the existing air door is basically unavailable for part of small air ducts.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at overcoming at least one defect of current refrigerator, provide an tuber pipe device and refrigerator for refrigerator, it can carry out on-off control to less wind channel.
In one aspect, the utility model provides an tuber pipe device for refrigerator, including the tuber pipe, it still includes:
the memory alloy air door is provided with a heat conduction part and a blocking part connected with the heat conduction part, the heat conduction part is arranged on the outer side of the air pipe, the blocking part is positioned in the air pipe, and the blocking part is configured to be connected with or disconnected with the air pipe; and
and a heating device installed outside the air duct and thermally connected to the heat conduction portion, wherein the heating device is configured to heat at least the heat conduction portion so that the blocking portion operates to turn on the air duct.
Optionally, the blocking portion has a first end connected to the heat conducting portion and a second end remote from the heat conducting portion;
the inner peripheral wall of the air pipe is provided with a protrusion matched with the second end of the blocking part, and the blocking part is in contact with the protrusion to abut against the protrusion when the air pipe is disconnected.
Optionally, the air duct is vertically arranged, the blocking portion is obliquely arranged when the air duct is disconnected, and the first end is located above the second end;
the upper surface of the bulge is a water guide inclined plane, and the upper side edge of the water guide inclined plane is positioned on the inner peripheral wall of the air pipe;
the lower surface of the protrusion is a matching inclined surface, and the blocking part is contacted with the matching inclined surface to abut against the air pipe when the air pipe is disconnected.
Optionally, the peripheral wall of the air duct includes an alloy mounting wall for mounting the heat conducting portion, and the heat conducting portion is disposed outside the alloy mounting wall.
Optionally, the air duct is vertically disposed, and the alloy installation wall includes:
an upper wall, the heat conduction portion being disposed outside the upper wall;
a lower wall having a first wall and a second wall located at a lower side of the first wall, an upper end of the first wall being located at an outer side of a lower end of the upper wall, the second wall being located on the same plane as the first wall, or the second wall being located at an inner side of the first wall; a first end of the blocking portion is located between an upper end of the first wall and a lower end of the upper wall; and
the clamping and positioning device is provided with an upper blocking lug arranged on the upper wall and two clamping plates arranged on the upper wall and connected to the first wall; the upper blocking lug is positioned at the upper side of the upper end of the heat conducting part, and the two clamping plates are matched with the upper wall to respectively clamp the two vertical edges of the heat conducting part.
Optionally, the heating device is disposed on a side of the heat conducting portion facing away from the air duct.
Optionally, the area of the heat conduction portion is 3 to 7 times the area of the blocking portion.
On the other hand, the utility model also provides a refrigerator, it includes any kind of above-mentioned tuber pipe device.
Optionally, the refrigerator further comprises a cabinet; the refrigerator comprises a refrigerator body, and is characterized in that a first storage chamber and a cooling chamber used for installing an evaporator of the refrigerator are arranged in the refrigerator body, and an air pipe of the air pipe device is an air return pipe communicated with the first storage chamber and the cooling chamber, so that air flow in the first storage chamber enters the cooling chamber through the air pipe.
Optionally, the air duct is disposed outside the first storage compartment, and the heat conducting portion and the heating device are disposed on a side of the air duct away from the first storage compartment.
Optionally, a second storage chamber is further arranged in the box body, the second storage chamber is arranged on the lower side of the first storage chamber, and the cooling chamber is arranged on the rear side or the lower side of the second storage chamber;
at least part of the air pipe is arranged outside the second storage chamber;
the target temperature in the first storage room is higher than the target temperature in the second storage room.
In another aspect, the present invention further provides a control method for any one of the above refrigerators, including:
detecting the temperature in the first storage room and judging whether a compressor of the refrigerator is started or not;
when the compressor needs to be started, the heating device is started for a first preset time to enable the memory alloy air door to conduct the air pipe, and then the compressor is started.
The utility model also provides another kind of a control method who is used for above-mentioned any kind of refrigerator, include:
detecting the temperature in the first storage room and judging whether to turn off the compressor;
and when the compressor needs to be closed, closing the heating device to enable the memory alloy air door to cut off the air pipe, and simultaneously closing the compressor, or closing the compressor after the heating device is closed for a second preset time.
The utility model discloses an among air pipe device and refrigerator, because have the memory alloy air door, can control its shape through the temperature to make this memory alloy air door have two kinds of operating condition, present a state under specific temperature, can demonstrate another state under other temperature circumstances, be the state of disconnection tuber pipe and the state that switches on the tuber pipe respectively, can carry out on-off control to less wind channel.
Furthermore, the heating device can also be used for defrosting when the air pipe is communicated, so that the memory alloy air door can be prevented from being frozen by frost, and adverse phenomena (frost and ice) generated on the memory alloy are all discharged in a water mode.
The arrangement of the bulge is also convenient for water drainage.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an air duct arrangement according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a partial structure of an air duct device according to an embodiment of the present invention;
FIG. 3 is a schematic enlarged view at A of FIG. 1;
fig. 4 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present invention, in which arrows indicate airflow directions;
fig. 5 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic view of an air duct arrangement according to an embodiment of the present invention; as shown in fig. 1 and referring to fig. 2 to 3, an embodiment of the present invention provides an air duct device for a refrigerator. The air duct device 20 comprises an air duct 21, a memory alloy damper 22 and a heating device 23. The memory alloy damper 22 has a heat conduction portion 221 and a blocking portion 222 connected to the heat conduction portion 221, the heat conduction portion 221 is disposed outside the air duct 21, the blocking portion 222 is located inside the air duct 21, and the blocking portion 222 is configured to turn on or off the air duct 21. The heating device 23 is attached to the outside of the duct 21 and thermally connected to the heat conduction portion 221, and the heating device 23 is arranged to heat at least the heat conduction portion 221. The heating device 23 heats at least the heat conduction part 221 to operate the blocking part 222 to conduct the duct 21. The air duct 21 may be disconnected by operating the blocking portion 222 by heating at least the heat conduction portion 221 by the heating device 23 as necessary.
The embodiment of the utility model provides a work through heating device 23 controlled ground, make memory alloy air door 22's blocking portion 222 present a state under specific temperature, present another state under other temperature circumstances, be the state of disconnection tuber pipe 21 and the state that switches on tuber pipe 21 respectively, can carry out on-off control to less wind channel.
In some embodiments of the present invention, the blocking portion 222 has a first end connected to the heat conducting portion 221 and a second end far away from the heat conducting portion 221. The inner peripheral wall of the air duct 21 is provided with a protrusion 24 engaged with the second end of the blocking portion, and the blocking portion 222 contacts and abuts against the protrusion 24 when the air duct 21 is disconnected. The air duct 21 can be blocked well by the cooperation of the protrusion 24 and the blocking portion 222.
The arrangement of the heating device 23 can also avoid the memory alloy air door 22 from being frozen by frost, so that the bad phenomena (frost and ice) generated on the memory alloy are discharged in a water mode, in order to facilitate the discharge of water, the air pipe 21 is vertically arranged, the blocking part 222 is obliquely arranged when the air pipe 21 is disconnected, and the first end is positioned above the second end. The upper surface of the protrusion 24 is a water guide slope, and the upper edge of the water guide slope is located on the inner peripheral wall of the air duct 21. The lower surface of the protrusion 24 is a matching inclined surface, and the blocking portion 222 contacts and abuts against the matching inclined surface when the air duct 21 is disconnected. That is, the protrusion 24 is a small boss with double slopes, which facilitates drainage on one side and sealing on the other side. The blocking portion 222 is inclined when the duct 21 is disconnected, and is also advantageous for drainage.
In some embodiments of the present invention, the peripheral wall of the air duct 21 includes an alloy mounting wall for mounting a heat conduction portion, and the heat conduction portion is disposed outside the alloy mounting wall. For example, the air duct 21 is vertically disposed, and the alloy mounting wall includes an upper wall portion 211, a lower wall portion, and a clamp positioning device. The heat conduction portion 221 is provided outside the upper wall 211. The lower wall has a first wall 212 and a second wall 213 located on the underside of the first wall 212. The upper end of the first wall 212 is located outside the lower end of the upper wall 211 to facilitate the installation of the memory alloy damper 22. The second wall 213 is in the same plane as the first wall 212, or the second wall 213 is located inside the first wall 212. Preferably, the second wall 213 is in the same plane as the upper wall 211. The first end of the blocking portion 222 is located between the upper end of the first wall 212 and the lower end of the upper wall 211, that is, the junction of the blocking portion 222 and the heat conduction portion 221 is located between the upper end of the first wall 212 and the lower end of the upper wall 211, and the memory alloy damper 22 is inserted into the duct through between the upper end of the first wall 212 and the lower end of the upper wall 212.
The clamping and positioning device has a protrusion 214 disposed on the upper wall 211, and two clamping plates 215 disposed on the upper wall 211 and connected to the first wall 212. The upper stopper projection 214 is located at an upper side of an upper end of the heat conduction portion 221, and the two holding plates 215 cooperate with the upper wall 211 to hold two vertical edges of the heat conduction portion 221, respectively. The heating device 23 is disposed on a side of the heat conducting portion 221 away from the air duct 21, and the heating device 23 is a heating wire, so as to ensure a heating and heat transferring effect. The area of the heat conduction portion 221 is 3 times to 7 times, for example, 4 times, 4.5 times, 5 times, etc. the area of the blocking portion 222 is larger than that of the heat conduction portion 221, and the heat conduction portion 221 has a larger area and can have a larger heat receiving area, so as to absorb heat quickly and transfer the heat to the blocking portion 222, so that the blocking portion 222 is heated quickly, and the blocking portion 222 is used for the operation of the blocking portion 222.
The embodiment of the utility model provides a still provide the tuber pipe device 20 of above-mentioned arbitrary embodiment of refrigerator. The air duct device 20 can be connected between the cooling chamber and the storage chamber, or can be connected between the two storage chambers at other positions.
Fig. 4 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present invention, in which arrows indicate airflow directions. As shown in fig. 4, and referring to fig. 5, the refrigerator further includes a cabinet 30. The first storage compartment 31 and a cooling chamber for installing an evaporator of the refrigerator are arranged in the box body 30, and the air duct 21 of the air duct device 20 is a return air duct for communicating the first storage compartment 31 with the cooling chamber, so that air flow in the first storage compartment 31 enters the cooling chamber through the air duct 21. Further, the air duct 21 is disposed outside the first storage compartment 31, and the heat conduction portion 221 and the heating device 23 are disposed on a side of the air duct 21 away from the first storage compartment 31. For example, the first storage compartment 31 may be defined by a liner, and the air duct 21 is disposed outside the liner. The outer side of the inner container is also provided with a foaming layer. An air supply fan is further arranged in the cooling chamber, the refrigerator is further provided with an air supply pipe 40 communicated with the cooling chamber and the first storage chamber, and an air door and the like mounted on the air supply pipe 40.
When the first storage chamber 31 does not need cooling capacity, the memory alloy air door 22 can be in a state of disconnecting the air pipe 21 due to the low temperature in the air pipe 21, and when the first storage chamber 31 needs cooling capacity, the memory alloy air door 22 can be operated and heated by the heating device 23, so that the memory alloy air door 22 can be operated to conduct the air pipe 21. Of course, in some embodiments, when the first storage compartment 31 does not require cooling, the heating device 23 is operated to heat the memory alloy damper 22, so that the memory alloy damper 22 can be operated to make the memory alloy damper 22 in a state of disconnecting the air duct 21, and when the first storage compartment 31 requires cooling, the heating device 23 is stopped, so that the memory alloy damper 22 can be operated to connect the air duct 21 under the action of the air flow from the first storage compartment 31.
In some embodiments of the present invention, a second storage chamber 32 is further disposed in the box body, the second storage chamber 32 is disposed at the lower side of the first storage chamber 31, and the cooling chamber is disposed at the rear side or the lower side of the second storage chamber 32. At least part of the air duct 21 is disposed outside the second storage compartment 32. The target temperature in the first compartment 31 is higher than the target temperature in the second compartment 32. The first storage compartment 31 may be a freezing compartment and the second storage compartment 32 may be a refrigerating compartment. The memory alloy air door is closed, so that the storage temperature of the refrigerating chamber can be prevented from being influenced by the downward movement of the cold air at the upper part, namely, the food is prevented from being frozen due to the excessively low local temperature of the refrigerating chamber.
The embodiment of the utility model provides a control method of refrigerator is still provided, it can be used to in the refrigerator of above-mentioned one or more embodiments. The control method of the refrigerator comprises the following steps: the temperature in the first storage compartment 31 is detected, and whether the compressor of the refrigerator is started or not is judged. When the compressor needs to be started, the heating device 23 is first turned on for a first preset time to raise the temperature of the memory alloy damper 22, the blocking portion 222 operates to conduct the air duct 21, and then the compressor is turned on. The first preset time may be 20s to 40s, for example, 30 s. Further, the air supply fan may be turned on after the compressor is turned on.
In some embodiments of the present invention, a control method of a refrigerator includes: the temperature in the first storage compartment 31 is detected and it is determined whether to turn off the compressor of the refrigerator. When the compressor needs to be closed, the compressor, the heating device 23, the air supply fan and the like can be closed at the same time, the memory alloy air door 22 is restored to cut off the air pipe 21, and the cold air on the upper portion can be prevented from moving downwards. In some alternative embodiments, when it is determined that the compressor needs to be turned off, the heating device 23 may be turned off first, and then the compressor and the blower fan may be turned off after a second preset time, where the second preset time may be 20s to 40s, for example, 30 s. After the second preset time, the compressor is closed, so that the temperature of the memory alloy air door 22 can be reduced, and the air pipe 21 can be cut off quickly.
In this embodiment, when the heating wire is heated and opened and the temperature is greater than 5 degrees, the memory alloy damper 21 is in an open state, at this time, the storage compartment of the refrigerator normally works, the bad phenomena (frost and ice) generated on the memory alloy damper 21 are all discharged in a water mode, and when the heating wire is closed, the memory alloy damper 21 returns to a normal internal temperature of the refrigerator along with the temperature and is in a closed state.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (11)
1. The utility model provides an air pipe device for refrigerator, includes the tuber pipe, its characterized in that still includes:
the memory alloy air door is provided with a heat conduction part and a blocking part connected with the heat conduction part, the heat conduction part is arranged on the outer side of the air pipe, the blocking part is positioned in the air pipe, and the blocking part is configured to be connected with or disconnected with the air pipe; and
and a heating device installed outside the air duct and thermally connected to the heat conduction portion, the heating device being configured to heat at least the heat conduction portion to operate the blocking portion.
2. Air duct apparatus according to claim 1,
the blocking part is provided with a first end connected to the heat conducting part and a second end far away from the heat conducting part;
the inner peripheral wall of the air pipe is provided with a protrusion matched with the second end of the blocking part, and the blocking part is in contact with the protrusion to abut against the protrusion when the air pipe is disconnected.
3. Air duct apparatus according to claim 2,
the air pipe is vertically arranged, the blocking part is obliquely arranged when the air pipe is disconnected, and the first end is positioned above the second end;
the upper surface of the bulge is a water guide inclined plane, and the upper side edge of the water guide inclined plane is positioned on the inner peripheral wall of the air pipe;
the lower surface of the protrusion is a matching inclined surface, and the blocking part is contacted with the matching inclined surface to abut against the air pipe when the air pipe is disconnected.
4. Air duct apparatus according to claim 1,
the peripheral wall of the air pipe comprises an alloy installation wall for installing the heat conduction part, and the heat conduction part is arranged on the outer side of the alloy installation wall.
5. Air duct apparatus according to claim 4,
the vertical setting of tuber pipe, the alloy installation wall includes:
an upper wall, the heat conduction portion being disposed outside the upper wall;
a lower wall having a first wall and a second wall located at a lower side of the first wall, an upper end of the first wall being located at an outer side of a lower end of the upper wall, the second wall being located on the same plane as the first wall, or the second wall being located at an inner side of the first wall; a first end of the blocking portion is located between an upper end of the first wall and a lower end of the upper wall; and
the clamping and positioning device is provided with an upper blocking lug arranged on the upper wall and two clamping plates arranged on the upper wall and connected to the first wall; the upper blocking lug is positioned at the upper side of the upper end of the heat conducting part, and the two clamping plates are matched with the upper wall to respectively clamp the two vertical edges of the heat conducting part.
6. Air duct apparatus according to claim 1,
the heating device is arranged on one side of the heat conducting part, which is far away from the air pipe.
7. Air duct apparatus according to claim 1,
the area of the heat conduction portion is 3 to 7 times that of the blocking portion.
8. A refrigerator characterized by comprising an air duct device according to any one of claims 1 to 7.
9. The refrigerator according to claim 8, further comprising a cabinet;
the refrigerator comprises a refrigerator body, and is characterized in that a first storage chamber and a cooling chamber used for installing an evaporator of the refrigerator are arranged in the refrigerator body, and an air pipe of the air pipe device is an air return pipe communicated with the first storage chamber and the cooling chamber, so that air flow in the first storage chamber enters the cooling chamber through the air pipe.
10. The refrigerator according to claim 9,
the air pipe is arranged on the outer side of the first storage chamber, and the heat conducting part and the heating device are arranged on one side, deviating from the first storage chamber, of the air pipe.
11. The refrigerator according to claim 9,
a second storage chamber is further arranged in the box body, the second storage chamber is arranged on the lower side of the first storage chamber, and the cooling chamber is arranged on the rear side or the lower side of the second storage chamber;
at least part of the air pipe is arranged outside the second storage chamber;
the target temperature in the first storage room is higher than the target temperature in the second storage room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418016.5U CN212205274U (en) | 2020-03-27 | 2020-03-27 | Air pipe device for refrigerator and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418016.5U CN212205274U (en) | 2020-03-27 | 2020-03-27 | Air pipe device for refrigerator and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212205274U true CN212205274U (en) | 2020-12-22 |
Family
ID=73825511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020418016.5U Active CN212205274U (en) | 2020-03-27 | 2020-03-27 | Air pipe device for refrigerator and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212205274U (en) |
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2020
- 2020-03-27 CN CN202020418016.5U patent/CN212205274U/en active Active
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