CN112393494B

CN112393494B - Refrigerating device

Info

Publication number: CN112393494B
Application number: CN202011354667.3A
Authority: CN
Inventors: 翟照阳; 辛海亚; 李全星; 刘晓军
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-12-07
Anticipated expiration: 2040-11-26
Also published as: CN112393494A

Abstract

The invention discloses a refrigerating device which comprises a box body, a box door, a pressure detection unit, a door opening power assisting device and a controller, wherein the pressure detection unit is arranged on the box door and used for detecting a stress value, the door opening power assisting device is arranged in the box body, and the controller is used for controlling the door opening power assisting device to open the box door according to a comparison result of the stress value and a comparison value corresponding to the current running state of the refrigerating device. The door opening assisting device can be controlled to be opened according to the comparison result of the magnitude of the stress value detected by the pressure detection unit and the comparison value corresponding to the current running state of the refrigerating device, namely when the stress value applied by a user is smaller than the comparison value in the current running state, the door opening assisting device is opened, so that when the door is difficult to open due to the fact that the difference between the internal pressure and the external pressure of the box body is too large, the door opening assisting device is automatically controlled to help the user to open the box door, the door opening difficulty of the user is reduced, and the user experience is improved. And reduce the heat and moisture brought into the interior of the compartment, and avoid the increase of the energy consumption of the freezer caused by the increase of the thickness of the frost layer in the freezer.

Description

Refrigerating device

Technical Field

The invention relates to the field of refrigeration equipment, in particular to a refrigeration device.

Background

For a refrigerator, when a compressor operates, after the temperature drops to a certain degree, the pressure in the refrigerator is reduced, so that the pressure difference between the inside and the outside of the refrigerator is increased, and meanwhile, the door body is difficult to open due to the factors of the self weight of the horizontal refrigerator and the door body. In real life, when a user uses a refrigeration device with a low refrigeration temperature such as a refrigerator, the phenomenon that a door body is difficult to open within a period of time after the door body is closed is often encountered. This is because the temperature inside the refrigerator is low, while the temperature outside the refrigerator is high, and the difference between the inside and outside temperatures of the refrigerator is large, which results in a large difference between the inside and outside pressures of the refrigerator. At this moment, when opening the door body of refrigerator-freezer just need to use very big pulling force, leads to user's use to experience to worsen.

Disclosure of Invention

The invention provides a refrigerating device, aiming at solving the technical problem that the refrigerating device in the prior art is difficult to open.

The technical scheme adopted by the invention is as follows:

the invention provides a refrigerating device which comprises a box body, a box door, a pressure detection unit, a door opening power assisting device and a controller, wherein the pressure detection unit is arranged on the box door and used for detecting a stress value, the door opening power assisting device is arranged in the box body, and the controller is used for controlling the door opening power assisting device to open the box door according to a comparison result of the stress value and a comparison value corresponding to the current running state of the refrigerating device.

And when the stress value is smaller than the comparison value, the controller controls the door opening assisting device to open the door.

And a distance detection unit for detecting the distance value is arranged on the opposite side of the box door and/or the box body.

And when the stress value is greater than the comparison value, judging whether the distance value detected by the distance detection unit is greater than a preset distance value, and if so, judging that the box door is opened. If not, the door opening assisting device is controlled to open the door.

Further, the controller collects the temperature difference value between the temperature inside the refrigerator and the temperature outside the refrigerator in the current running state of the refrigerating device, and determines a comparison value corresponding to the temperature difference value according to the temperature difference value.

Furthermore, a handle is arranged on the box door, and the pressure detection unit is arranged on the handle.

In one embodiment, the door opening assisting device is a pneumatic pressure balancing device.

In another embodiment, the door opening assisting device is an electromagnet which is respectively arranged at the opening and closing sides of the box body and the box door and has opposite magnetic force directions after being electrified.

Preferably, the cold storage device is a refrigerator.

Compared with the prior art, the door opening assisting device can be controlled to be opened according to the comparison result of the magnitude of the stress value detected by the pressure detection unit and the comparison value corresponding to the current running state of the refrigeration device, namely when the stress value applied by a user is smaller than the comparison value in the current running state, the door opening assisting device is opened, so that when the door is difficult to open due to the fact that the difference between the internal pressure and the external pressure in the box body is too large, the door opening assisting device is automatically controlled to help the user to open the box door, the door opening difficulty of the user is reduced, and the user experience is improved. And reduce the heat and moisture brought into the interior of the compartment, and avoid the increase of the energy consumption of the freezer caused by the increase of the thickness of the frost layer in the freezer.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic partial structure diagram according to an embodiment of the present invention;

fig. 2 is a flowchart in an embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.

As shown in fig. 1 and 2, the present invention provides a refrigerator including: the box body 1, chamber door 2, pressure detection unit, booster unit and controller open the door, box 1 keeps flat, and the top is the opening side. The pressure detection unit is arranged at the opening and closing side of the box door, a user needs to hold the opening and closing side to lift the box door upwards when opening the box door, the pressure detection unit can detect the stress value of the user applying force to the box door, the door opening assisting device is arranged in the box body, the controller can control the door opening assisting device to be opened according to the comparison result of the stress value detected by the pressure detection unit and the comparison value corresponding to the current running state of the refrigeration device, namely when the stress value applied by the user is smaller than the comparison value under the current running state, the door opening assisting device is opened, so that when the difference between the inner pressure and the outer pressure in the box body is too large to open the door, the door opening assisting device is automatically controlled to help the user to open the box door.

The distance detection unit comprises a group of sensors which are respectively arranged at the opposite sides of the box door and the box body and are used for detecting the distance value between the box door and the box body, and a preset distance value L0 can be arranged to judge whether the box door is opened or not. When the stress value F1 is greater than the comparison value F0 (i.e., a comparison value) in the current running state, further determining whether the distance value L1 detected by the distance detection unit is greater than a preset distance value L0, that is, determining whether the door is directly opened, if so, determining that the door is opened, and the door does not need to be opened again through the door opening assisting device; if not, the stress value F1 is larger than the comparison value F0 timely, or the door is not opened enough, and then the door opening assisting device is controlled to open the door.

The invention also comprises a temperature detection unit which can detect the temperature in the refrigerator and the temperature outside the refrigerator, the controller collects the temperature in the refrigerator and the temperature outside the refrigerator under the current operation state of the refrigerating device to calculate the temperature difference value, and determines the comparison value corresponding to the temperature difference value according to the temperature difference value, the comparison value can be recorded in advance through a plurality of door opening and closing tests, namely a plurality of temperature difference value ranges are divided, and each temperature difference value range corresponds to a preset comparison value. Thereby when cold storage plant is in different gears or different ambient temperature, can the size of dynamic adjustment comparative value, press close to the inside and outside pressure differential that the inside and outside great correspondence of difference in temperature of reality, make and judge more accurately.

In a specific embodiment, a handle 3 is arranged in the middle of the opening side of the box door 2, so that a user can conveniently lift the box door, and the pressure detection unit is arranged on the handle.

In one embodiment, the door opening assisting device comprises: the electromagnets are respectively arranged on the opposite sides of the box body and the box door, and the directions of the magnetic forces of the electromagnets are opposite after the electromagnets are electrified, so that the box door can be opened by assistance after the door opening assisting device is opened.

In other embodiments, the door opening assisting device may be a pneumatic balancing device or a motor shaft device, and the motor shaft device and the pneumatic balancing device are specifically applied to the refrigerator, and therefore, detailed descriptions thereof are omitted.

The refrigeration device provided by the invention is particularly an ice chest, and can also be other devices with refrigeration function, wherein the refrigerator door is difficult to open due to the difference between the inside pressure and the outside pressure.

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

1. The utility model provides a refrigerating plant, includes box and chamber door, its characterized in that still includes: the refrigerator door opening assisting device comprises a pressure detection unit, a door opening assisting device and a controller, wherein the pressure detection unit is arranged on the refrigerator door and used for detecting a stress value, the door opening assisting device is arranged in the refrigerator body, the controller is used for controlling the door opening assisting device to open the refrigerator door according to a comparison result of a comparison value corresponding to the stress value and the current running state of the refrigerating device, the controller is used for acquiring a temperature difference value between the temperature in the refrigerator and the temperature outside the refrigerator in the current running state of the refrigerating device, and the comparison value corresponding to the temperature difference value is determined according to the temperature difference value.

2. A refrigerating apparatus as recited in claim 1 wherein said controller controls the door opening assisting means to open the door when said force receiving value is smaller than said comparison value.

3. A refrigerating apparatus as recited in claim 1, wherein opposite sides of said door and/or said cabinet are provided with distance detecting units for detecting distance values.

4. A refrigerating apparatus as claimed in claim 3, wherein when said force value is larger than said comparison value, it is judged whether the distance value detected by the distance detecting unit is larger than a predetermined distance value, and if so, it is judged that the door is opened.

5. A cold storage device as claimed in claim 4, wherein if not, the door opening assisting device is controlled to open the door.

6. A refrigerating apparatus as recited in claim 1, wherein said door is provided with a handle, and said pressure detecting unit is mounted on the handle.

7. A cold storage device as claimed in claim 1, wherein the door opening assist device is a pressure equalisation device.

8. A refrigerating apparatus as claimed in claim 1, wherein said door opening assisting means is an electromagnet which is installed on the opening and closing side of the cabinet and the door, respectively, and which is energized to have a magnetic force direction opposite to each other.

9. A cold storage device as claimed in claim 1, wherein the cold storage device is a refrigerator.