CN113606857B - Control device for preventing door closing resilience of refrigerator door and control method thereof - Google Patents

Control device for preventing door closing resilience of refrigerator door and control method thereof Download PDF

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Publication number
CN113606857B
CN113606857B CN202110913944.8A CN202110913944A CN113606857B CN 113606857 B CN113606857 B CN 113606857B CN 202110913944 A CN202110913944 A CN 202110913944A CN 113606857 B CN113606857 B CN 113606857B
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Prior art keywords
refrigerator
door
refrigerator door
air bag
door body
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CN113606857A (en
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张影
张琪
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Changhong Meiling Co Ltd
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Changhong Meiling Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Refrigerator Housings (AREA)

Abstract

The invention discloses a control device for preventing door-closing resilience of a refrigerator door body, and relates to the technical field of refrigerators. The invention comprises a radar sensor, a door seal, a pump body and a main control board; the door seal is hollow to form an air bag with a closed structure; the pump body is used for inflating towards the air bag of the door seal so as to expand the air bag; the main control board is connected with the radar sensor and the pump body and used for determining the distance between the refrigerator door body and the refrigerator body according to the feedback signal of the radar sensor, calculating the closing speed of the door body according to the distance change, controlling the starting and stopping of the pump body and realizing the inflating and exhausting actions of the air bag. According to the invention, the distance between the refrigerator door body and the refrigerator body and the closing speed of the refrigerator door body are detected by using the radar sensor, and the buffer between the refrigerator door body and the refrigerator body is realized by inflating and deflating the air bag, so that the problems that the conventional refrigerator door body rebounds, is not fully closed, increases the refrigeration energy consumption and is easy to hurt a user are solved.

Description

Control device for preventing door closing resilience of refrigerator door and control method thereof
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a control device and a control method for preventing door-closing resilience of a refrigerator door.
Background
The existing refrigerator door body and refrigerator body actuation mode adopts mature magnetic door sealing technology in the industry. When the door is closed, the force is moderate, the door body and the refrigerator body can be fully attracted through the magnetic door seal, and the condition of cold air leakage in the refrigerator is avoided.
However, if the force is too large when the refrigerator door body is on the pipe wall, the door body cannot be attracted on the refrigerator body at the moment of colliding the refrigerator body due to the fact that the resilience force is larger than the suction force of the magnetic door seal, and therefore the door body and the refrigerator body are not fully closed, cold air leakage is caused, the refrigerating effect is affected, and the whole refrigerating energy consumption is increased.
Even the phenomenon of door body resilience appears, not only can cause damage to the door body, also injures the user easily at the resilience in-process of the door body moreover.
Disclosure of Invention
The invention aims to provide a control device and a control method for preventing door-closing rebounding of a refrigerator door body.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a control device for preventing door closing resilience of a refrigerator door body, which comprises a radar sensor, a door seal, a pump body and a main control board. The radar sensor is used for detecting the distance between the refrigerator door body and the refrigerator body; the door seal is hollow to form an air bag with a closed structure; the pump body is used for inflating towards the air bag of the door seal so as to expand the air bag; the main control board is connected with the radar sensor and the pump body and used for determining the distance between the refrigerator door body and the refrigerator body according to the feedback signal of the radar sensor, calculating the closing speed of the door body according to the distance change, controlling the starting and stopping of the pump body and realizing the inflating and exhausting actions of the air bag.
Further, the pump body is installed on the outer wall or the inner part of the refrigerator door body.
A control method for preventing door-closing rebound of a refrigerator door body comprises the following steps:
the method comprises the following steps: setting a door closing speed threshold V of a refrigerator door body and a distance threshold L between the refrigerator door body and a refrigerator body;
step two: judging whether the refrigerator door body is in an opening state, if so, executing the next step, and if not, not acting;
step three: starting a radar sensor, obtaining a real-time distance L1 between a refrigerator body and a refrigerator door body by a main control board according to a feedback signal of the radar sensor, and calculating a real-time door closing speed V1 of the refrigerator door body according to the change of the distance;
step four: judging whether V1 is larger than V; if yes, executing the next step; if not, the operation is not carried out;
step five: the driving plate controls the pump body to start, and the air bag of the door seal is inflated through the pump body, so that the air bag expands;
step six; judging whether L1 is less than or equal to L or not; if yes, executing the next step; if not, maintaining the expansion state of the air bag;
step seven: and the air bag is deflated, so that the air bag absorbs the impact force between the refrigerator door body and the refrigerator body, and the door closing speed is slowed down.
The invention has the following beneficial effects:
the invention utilizes the radar sensor to detect the distance between the refrigerator door body and the refrigerator body and the closing speed of the refrigerator door body, inflates the door seal according to the closing speed, deflates according to the distance between the refrigerator door body and the refrigerator body, realizes the buffering between the refrigerator door body and the refrigerator body, effectively avoids the occurrence of the situation that the refrigerator door body rebounds due to the fact that the refrigerator door body is closed too fast, ensures the refrigeration effect of the refrigerator, and is beneficial to reducing the refrigeration energy consumption.
Meanwhile, the situation that the user is injured due to overlarge rebound speed of the refrigerator door is avoided, and the use reliability is improved.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart of a control method for preventing door-closing rebounding of a refrigerator door according to the present invention;
FIG. 2 is a schematic view of a door seal;
in the drawings, the reference numbers indicate the following list of parts:
1-door seal, 101-airbag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 2, the present invention is a control device for preventing door-closing rebounding of a refrigerator door, including a radar sensor, a door seal 1, a pump body and a main control board. The radar sensor is used for detecting the distance between the refrigerator door body and the refrigerator body, and can be installed on the refrigerator body or the refrigerator door body.
The door seal 1 is installed on the side of the refrigerator door, the door seal 1 is hollow, and forms an air bag 101 with a closed structure. The pump body is arranged on the outer wall or inside of the refrigerator door body and used for inflating towards the air bag 101 of the door seal 1, so that the air bag 101 is expanded.
The main control board is connected with the radar sensor and the pump body and used for determining the distance between the refrigerator door body and the refrigerator body according to the feedback signal of the radar sensor, calculating the closing speed of the door body according to the distance change, controlling the starting and stopping of the pump body and achieving the inflating and exhausting actions of the air bag 101.
A control method for preventing door-closing rebound of a refrigerator door body comprises the following steps:
the method comprises the following steps: and setting a door closing speed threshold V of the refrigerator door body and a distance threshold L between the refrigerator door body and the refrigerator body.
Step two: the refrigerator body or the refrigerator door body is provided with an inductive switch, such as a proximity switch or a pressure sensor, a signal triggered by the inductive switch is sent to the main control board, the main control board judges whether the refrigerator door body is in an opening state, if so, the next step is executed, if not, the refrigerator door body does not act, and the current situation is maintained.
Step three: the radar sensor is started, the main control panel obtains the real-time distance L1 between the refrigerator body and the refrigerator door body according to the feedback signal of the radar sensor, and the real-time door closing speed V1 of the refrigerator door body is calculated according to the distance change, if the refrigerator door body is in the closing process, the real-time distance change between the refrigerator door body and the refrigerator body is detected through the radar sensor, and the speed of the refrigerator door body in the closing process is calculated.
Step four: judging whether V1 is larger than V; if yes, the situation that the closing speed of the refrigerator door body is too high at the moment and the rebound of the refrigerator door body is easy to occur is shown, and therefore the next step is executed; if not, the closing speed of the refrigerator door body is in a normal range, so that precautionary measures are not taken, and the system does not act.
Step five: when V1 is larger than V, the active plate controls the pump body to start, and the air bag 101 of the door seal 1 is inflated through the pump body, so that the air bag 101 expands.
Step six; judging whether L1 is less than or equal to L; if so, the distance between the refrigerator door body and the refrigerator body is relatively short, namely the refrigerator door body is about to be closed, and then the next step is executed; if not, the inflated state of the airbag 101 is maintained, and the real-time change of L1 is detected.
Step seven: when L1 is less than or equal to L, the main control board control pump body is deflated gasbag 101, the refrigerator door body and the refrigerator box body are in mutual extrusion in-process, gasbag 101 exhausts, shrink gradually by the collision state, be used for making gasbag 101 absorb the impact between the refrigerator door body and the refrigerator box body, thereby realize slowing down the refrigerator door body speed of closing the door, gasbag 101 resets the back, under the magnetic force effect of door strip of paper used for sealing 1, make the refrigerator door body and the refrigerator box body realize closing the door actuation effect, make the refrigerator door body realize the airtight to the refrigerator box body, accomplish the whole process of closing the door.
The air bag 101 in the door seal 1 absorbs energy, so that the situation that the refrigerator door body rebounds due to too fast closing of the refrigerator door is avoided, the refrigerator door body is fully sealed, the refrigeration effect of the refrigerator is guaranteed, and the refrigeration energy consumption is reduced. Meanwhile, the situation that the user is injured due to overlarge rebound speed of the refrigerator door is avoided, and the use reliability is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. The utility model provides a prevent that refrigerator door body from closing controlling means of resilience that kick-backs, its characterized in that includes:
the radar sensor is used for detecting the distance between the refrigerator door body and the refrigerator body;
the door seal (1), the door seal (1) is hollow, form the gasbag (101) with airtight structure;
a pump body; the pump body is used for inflating towards the air bag (101) of the door seal (1) so as to expand the air bag (101);
the main control board is connected with the radar sensor and the pump body and used for determining the distance between the refrigerator door body and the refrigerator body according to the feedback signal of the radar sensor, calculating the closing speed of the door body according to the distance change, controlling the starting and stopping of the pump body and achieving the inflating and exhausting actions of the air bag (101).
2. The control device for preventing door-closing rebounding of the refrigerator door according to claim 1, wherein the pump body is mounted on an outer wall or an inner portion of the refrigerator door.
3. A control method for preventing door-closing rebound of a refrigerator door body is characterized by comprising the following steps:
the method comprises the following steps: setting a door closing speed threshold V of a refrigerator door body and a distance threshold L between the refrigerator door body and a refrigerator body;
step two: judging whether the refrigerator door body is in an opening state, if so, executing the next step, and if not, not acting;
step three: starting a radar sensor, obtaining a real-time distance L1 between a refrigerator body and a refrigerator door body by a main control board according to a feedback signal of the radar sensor, and calculating a real-time door closing speed V1 of the refrigerator door body according to the change of the distance;
step four: judging whether V1 is larger than V; if yes, executing the next step; if not, the operation is not carried out;
step five: the driving plate controls the pump body to start, and the air bag (101) of the door seal (1) is inflated through the pump body, so that the air bag (101) expands;
step six; judging whether L1 is less than or equal to L; if yes, executing the next step; if not, maintaining the expansion state of the air bag (101);
step seven: the air bag (101) is deflated, so that the air bag (101) absorbs the impact force between the refrigerator door body and the refrigerator body, and the door closing speed is slowed down.
CN202110913944.8A 2021-08-10 2021-08-10 Control device for preventing door closing resilience of refrigerator door and control method thereof Active CN113606857B (en)

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Application Number Priority Date Filing Date Title
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CN113606857B true CN113606857B (en) 2022-10-04

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114777385A (en) * 2022-05-18 2022-07-22 珠海格力电器股份有限公司 Automatic door opening and closing device of refrigerator, refrigerator and control method of refrigerator
CN115930543A (en) * 2023-01-17 2023-04-07 珠海格力电器股份有限公司 Control method and control equipment for refrigerator door body

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925763A (en) * 2014-04-25 2014-07-16 合肥美的电冰箱有限公司 Refrigerator door sealing device, refrigerator door and refrigerator
CN204329463U (en) * 2014-11-21 2015-05-13 合肥美的电冰箱有限公司 door-closing reminding device and refrigerator
CN205718172U (en) * 2016-06-01 2016-11-23 安徽万朗磁塑股份有限公司 A kind of lower resistance door seal structure
CN106322900A (en) * 2016-08-23 2017-01-11 海信（山东）冰箱有限公司 Horizontal refrigerator door seal and horizontal refrigerator
CN106568285A (en) * 2016-11-01 2017-04-19 青岛海尔股份有限公司 Door seal for refrigerator and refrigerator
CN106642967A (en) * 2016-11-10 2017-05-10 青岛海尔股份有限公司 Control method for refrigerator and refrigerator
CN109780797A (en) * 2018-12-28 2019-05-21 青岛海尔股份有限公司 Refrigerator
CN209214205U (en) * 2018-09-21 2019-08-06 安徽康佳同创电器有限公司 A kind of inflatable refrigerator door seal structure, refrigerator door and refrigerator
CN213713685U (en) * 2020-11-30 2021-07-16 冰山松洋生物科技(大连)有限公司 Variable ultra-low temperature refrigerator door seal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103925763A (en) * 2014-04-25 2014-07-16 合肥美的电冰箱有限公司 Refrigerator door sealing device, refrigerator door and refrigerator
CN204329463U (en) * 2014-11-21 2015-05-13 合肥美的电冰箱有限公司 door-closing reminding device and refrigerator
CN205718172U (en) * 2016-06-01 2016-11-23 安徽万朗磁塑股份有限公司 A kind of lower resistance door seal structure
CN106322900A (en) * 2016-08-23 2017-01-11 海信（山东）冰箱有限公司 Horizontal refrigerator door seal and horizontal refrigerator
CN106568285A (en) * 2016-11-01 2017-04-19 青岛海尔股份有限公司 Door seal for refrigerator and refrigerator
CN106642967A (en) * 2016-11-10 2017-05-10 青岛海尔股份有限公司 Control method for refrigerator and refrigerator
CN209214205U (en) * 2018-09-21 2019-08-06 安徽康佳同创电器有限公司 A kind of inflatable refrigerator door seal structure, refrigerator door and refrigerator
CN109780797A (en) * 2018-12-28 2019-05-21 青岛海尔股份有限公司 Refrigerator
CN213713685U (en) * 2020-11-30 2021-07-16 冰山松洋生物科技(大连)有限公司 Variable ultra-low temperature refrigerator door seal

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