CN106440621A - Refrigerator - Google Patents

Abstract

The invention provides a refrigerator, comprising: a box body, a refrigerator room and a freezer room are defined in the box body, and a temperature sensor is arranged in the freezer room; a controller, an air duct assembly, and an air volume regulating device are installed on the air duct assembly; The adjustment device includes an adjustment piece, a damper and a solenoid valve; the adjustment piece can drive the damper to rotate in the air supply duct to adjust the air volume sent to the refrigerator, and then drive the solenoid valve to turn on or off, and the controller is set to The position signal fed back and the temperature signal fed back by the temperature sensor control the start and stop of the compressor, so that the temperature of the freezer gradually approaches the temperature of the refrigerator. Compared with the prior art, the present invention drives the damper to the preset position through the adjusting member to adjust the air volume sent to the refrigerator, and controls the start-up of the compressor through the position signal fed back by the solenoid valve and the temperature signal fed back by the temperature sensor in the freezer chamber. Stop, so as to control the temperature of the refrigerator and freezer, and achieve the purpose of heating up the freezer and converting it into a refrigerator.

Description

refrigerator

technical field

The invention belongs to the technical field of household appliances, and in particular relates to a refrigerator.

Background technique

In recent years, air-cooled refrigerators have gradually entered people's lives due to their advantages such as automatic defrosting, clean and dry, accurate temperature, and uniform cooling. Air cooling refers to such a cooling method, that is, a fan is used to blow the cold air generated by the evaporator into the storage room of the refrigerator to achieve the effect of cooling. A plurality of air outlets, thereby enabling cold wind to blow to various positions in the storage room of the refrigerator.

In the traditional air-cooled refrigerator design, the refrigerating and freezing functions of the refrigerating chamber and the freezing chamber are fixed. That is, the refrigerating chamber of the refrigerator can only realize the refrigerating function, and the freezing chamber can only realize the freezing function. But in summer, users generally need to refrigerate more food, but need to freeze less food. Therefore, it is necessary to propose a refrigerator whose freezing space can be expanded or reduced at any time according to the needs of users.

Contents of the invention

The object of the present invention is to provide a refrigerator that solves the above technical problems.

To achieve the purpose of the above invention, the present invention provides a refrigerator, which comprises: .

A box body, which defines a refrigerator compartment and a freezer compartment, and a temperature sensor is arranged in the freezer compartment;

a controller electrically connected to the temperature sensor;

An air duct assembly, which includes an air duct cover plate and an air supply duct, and the air supply duct communicates with the refrigerator compartment and the freezer compartment;

The air volume adjustment device is installed on the air duct assembly;

The air volume adjustment device includes an adjustment member, a damper and a solenoid valve electrically connected to the controller; the adjustment member can drive the damper to rotate in the air supply duct to adjust the air volume sent to the refrigerating room , and then drive the solenoid valve to turn on or off, the controller is set to control the start and stop of the compressor according to the position signal fed back by the solenoid valve and the temperature signal fed back by the temperature sensor, so that the refrigeration The temperature of the compartment gradually approaches the temperature of the refrigerator compartment.

As a further improvement of the present invention, the air channel cover plate includes a first cover plate and a second cover plate, the first cover plate and the second cover plate jointly define the air supply air channel, and the adjusting member is provided On the outer side of the first cover plate, the solenoid valve is arranged on the outer side of the second cover plate, and the damper is arranged in the air supply duct.

As a further improvement of the present invention, the damper includes a rotating shaft and a baffle fixed to the rotating shaft, one end of the rotating shaft is plugged into the adjusting member, and the other end is plugged into the solenoid valve.

As a further improvement of the present invention, the damper has at least two preset positions during rotation.

As a further improvement of the present invention, the damper has four preset positions during rotation.

As a further improvement of the present invention, a scale is provided on the first cover plate at a position corresponding to the adjusting member, and the rotation angle between two adjacent preset positions is 30 degrees.

As a further improvement of the present invention, the first cover plate is provided with a first installation hole, one end of the adjustment member passes through the first installation hole and is inserted into one end of the rotating shaft, and the second cover A second installation hole is provided on the board, and one end of the solenoid valve is inserted into the other end of the rotating shaft through the second installation hole.

As a further improvement of the present invention, an accommodating portion for accommodating the solenoid valve is further provided on the outside of the second cover plate.

As a further improvement of the present invention, a fan for blowing air to the refrigerator compartment and the freezer compartment is also provided in the air supply duct, and the air volume adjusting device is arranged close to the fan.

As a further improvement of the present invention, the air supply duct includes a refrigerator compartment air duct and a freezer compartment air duct, and both the fan and the air volume regulating device are arranged in the freezer compartment air duct.

The beneficial effects of the present invention are: the adjusting piece drives the damper to the preset position to adjust the air volume sent to the refrigerator, and the start and stop of the compressor is controlled by the position signal fed back by the solenoid valve and the temperature signal fed back by the temperature sensor in the freezer chamber. Thereby controlling the temperature of the refrigerator compartment and the freezer compartment, and achieving the purpose of heating up the freezer compartment and converting it into a refrigerator compartment.

Description of drawings

Fig. 1 is a schematic structural view of the first cover plate of the air supply assembly in a specific embodiment of the present invention;

Fig. 2 is the A-A sectional schematic diagram of Fig. 1;

Fig. 3 is a structural cross-sectional view of an air volume regulating device in a specific embodiment of the present invention;

Fig. 4 is a top view of the air supply duct in a specific embodiment of the present invention.

detailed description

The present invention will be described in detail below in conjunction with various embodiments shown in the drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

The terms used herein to denote relative spatial positions such as "upper", "above", "under", "under", etc. are for convenience of description to describe the relative position of one element or feature relative to another as shown in the drawings. Relationships of units or features. The terms of spatial relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

1-4 shows a preferred embodiment of the refrigerator (not shown) of the present invention. The refrigerator of the present invention includes a box body (not shown in the figure), an air duct assembly 10 and a controller (not shown in the figure). A refrigerator compartment (not shown) and a freezer compartment (not shown) are defined in the box. Temperature sensors (not shown) electrically connected to the controller are respectively arranged in the freezing chamber and the refrigerating chamber.

The air duct assembly 10 includes an air duct cover plate and an air supply duct, wherein the air duct cover plate includes a first cover plate 11 and a second cover plate 12, and the first cover plate 11 and the second cover plate 12 jointly define the air supply area. An air duct 13, the air supply duct 13 communicates with the refrigerating chamber and the freezing chamber of the refrigerator. Therefore, the air supply duct 13 also includes a refrigerator compartment air duct 131 and a freezer compartment air duct 132 .

Further, a fan 15 is also provided in the freezer air duct 132, and the fan 15 blows out the cold air generated by the refrigerator evaporator (not shown), and blows it out along the air supply duct 13 through the air outlets of the refrigerator compartment and the freezer compartment to Realize the cooling of refrigerator and freezer. The air volume adjusting device 14 is installed on the air duct assembly, and the air volume adjusting device 14 is arranged close to the fan 15 .

As a preferred embodiment, the air volume adjusting device 14 includes an adjusting member 141 , a damper 142 and a solenoid valve 143 electrically connected to the controller. Specifically, the adjusting member 11 is disposed on the outside of the first cover 11 , the solenoid valve 143 is disposed on the outside of the second cover 12 , and the damper 142 is disposed in the air supply duct 13 . The damper 142 includes a rotating shaft 1421 and a baffle 1422 fixed to the rotating shaft 1421. The baffle 1422 rotates in the air supply duct 13 to adjust the air volume sent to the refrigerating room. Wherein, the first cover plate 11 is provided with a first mounting hole 111, one end of the adjustment member 141 is inserted through the first mounting hole 111 and one end of the rotating shaft 1421, and the second cover plate 12 is provided with a second mounting hole 121 One end of the solenoid valve 143 passes through the second installation hole 121 and is inserted into the other end of the rotating shaft 1421 . An accommodating portion 16 for accommodating the solenoid valve 143 is further disposed on the outside of the second cover plate 12 . The user manually rotates the adjusting member 141 to drive the air door 142 to rotate in the air supply duct 13 to adjust the air volume sent to the refrigerator, and then drives the solenoid valve 143 to be turned on or off, and the controller is set to feedback according to the solenoid valve 143. The position signal of the compressor and the temperature signal fed back by the temperature sensor in the freezer control the start and stop of the compressor, so that the temperature of the freezer gradually approaches the temperature of the refrigerator. Preferably, the solenoid valve 143 is a relay.

The adjusting member 141 drives the damper 142 to rotate, and the damper 142 has at least two preset positions during the rotation. In this embodiment, the damper has four preset positions during rotation. The user can rotate the damper 142 from one preset position to another preset position through the adjusting member 141. Preferably, a scale (not shown) is provided on the first cover plate 11 corresponding to the adjusting member 141, correspondingly The rotation angle between two adjacent preset positions is 30 degrees, of course, in other embodiments of the present invention, the rotation angle between two preset positions may be any suitable angle. In this embodiment, the adjusting member is a knob, and the knob does not stop during rotation from one preset position to another preset position, and stops rotating only when it reaches the preset position desired by the user.

Continuing to refer to 4, the four preset positions in the direction from the refrigerating air duct 131 to the freezing air duct 132 correspond to the "strong" gear, "middle" gear, "weak" gear and "transition "Stage. When the adjusting part is in the "strong" gear, the freezing effect of the refrigerator is the strongest, and the temperature of the refrigerator is relatively high; when the adjusting part 141 is in the "medium" gear, the freezing effect of the refrigerator is stronger, The temperature is relatively suitable, and this gear is the initial gear, which is the most used by users; when the adjusting part 141 is in the "weak" gear, the cooling effect of the freezer compartment of the refrigerator is the weakest, and the temperature of the refrigerator compartment is relatively low; When it is "strong", "medium" and "weak", the solenoid valve 143 is in the disconnected state, and it feeds back a position signal to the controller, telling the controller that it is in the state of refrigeration=freezer. When the adjustment member 141 continues to rotate and is in the "switching" position, the solenoid valve 143 is in the on state, and it feeds back a position signal to the controller, telling the controller that the freezing chamber starts to be heated, and the freezing chamber will operate as a low-temperature refrigerator, If the temperature of the refrigerator is normal, the controller will control the start and stop of the refrigerator compressor according to the temperature signal fed back by the temperature sensor of the freezer, so that the temperature of the freezer will gradually approach the temperature of the refrigerator, so as to realize the conversion of the freezer into a refrigerator.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. A refrigerator comprising: A box body, which defines a refrigerator compartment and a freezer compartment, and a temperature sensor is arranged in the freezer compartment; a controller electrically connected to the temperature sensor; An air duct assembly, which includes an air duct cover plate and an air supply duct, and the air supply duct communicates with the refrigerator compartment and the freezer compartment; The air volume adjustment device is installed on the air duct assembly; It is characterized in that the air volume adjustment device includes an adjustment member, a damper and a solenoid valve electrically connected to the controller; the adjustment member can drive the damper to rotate in the air supply duct to adjust the air flow to the The air volume of the refrigerator compartment, and then drive the solenoid valve to turn on or off, and the controller is configured to control the start and stop of the compressor according to the position signal fed back by the solenoid valve and the temperature signal fed back by the temperature sensor, Make the temperature of the freezing compartment gradually approach the temperature of the refrigerating compartment. 2. The refrigerator according to claim 1, wherein the air duct cover plate comprises a first cover plate and a second cover plate, and the first cover plate and the second cover plate jointly define the air supply channel. For the air duct, the adjusting member is arranged on the outside of the first cover plate, the electromagnetic valve is arranged on the outside of the second cover plate, and the damper is arranged in the air supply air duct. 3. The refrigerator according to claim 2, wherein the damper comprises a rotating shaft and a baffle fixed to the rotating shaft, one end of the rotating shaft is plugged into the adjusting member, and the other end is connected to the adjusting member. The solenoid valve is plugged in. 4. The refrigerator according to claim 1, wherein the damper has at least two preset positions during rotation. 5. The refrigerator according to claim 4, wherein the damper has four preset positions during rotation. 6. The refrigerator according to claim 5, characterized in that a scale is provided on the first cover plate at a position corresponding to the adjusting member, and the rotation between two adjacent preset positions The angle is 30 degrees. 7. The refrigerator according to claim 3, wherein a first mounting hole is provided on the first cover plate, and one end of the adjusting member passes through the first mounting hole and one end of the rotating shaft Inserting, the second cover plate is provided with a second mounting hole, and one end of the solenoid valve is inserted into the other end of the rotating shaft through the second mounting hole. 8 . The refrigerator according to claim 7 , wherein a housing portion for housing the solenoid valve is further provided on the outside of the second cover plate. 9 . 9 . The refrigerator according to claim 1 , wherein a fan for blowing air to the refrigerator compartment and the freezer compartment is further provided in the air supply duct, and the air volume adjusting device is arranged close to the fan. 10 . 10. The refrigerator according to claim 9, wherein the air supply duct includes a refrigerator compartment air duct and a freezer compartment air duct, and the fan and the air volume adjusting device are both arranged in the freezer compartment air duct .