CN106152697B - Method for controlling opening and closing of refrigerator door and refrigerator - Google Patents
Method for controlling opening and closing of refrigerator door and refrigerator Download PDFInfo
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- CN106152697B CN106152697B CN201510189678.3A CN201510189678A CN106152697B CN 106152697 B CN106152697 B CN 106152697B CN 201510189678 A CN201510189678 A CN 201510189678A CN 106152697 B CN106152697 B CN 106152697B
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Abstract
The invention provides a method for controlling a refrigerator door to open and close and a refrigerator, and solves the technical problem that potential harm is caused to children in the existing refrigerator door opening mode. The method comprises the steps of receiving a detection signal detected by an infrared sensor; judging whether a human body exists in front of the refrigerator door body or not based on the detection signal; if yes, judging whether the height of the human body is higher than a set height; if so, the door lock for locking the refrigerator door body is opened, so that the refrigerator door body can be opened after force is applied to the refrigerator door body. The method is based on the principle of infrared distance measurement, whether the height of a human body is higher than a set height is detected by using an infrared sensor, and when the set height is set to be higher than the height of a child, the purpose that the child cannot open a refrigerator door body to be protected is achieved, so that the refrigerator door can be opened and closed more intelligently, and the use experience of a user is improved.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a method for controlling a refrigerator to open and close a door and a refrigerator.
Background
The popularization of the refrigerator provides convenience for the life of users, but certain potential safety hazards are caused.
For example, when a refrigerator is full of articles, if a child opens a door of the refrigerator, the fallen articles can accidentally injure the head of the child; or the child can open the refrigerator door body at will without getting too much cold drink food; or, the child may be in danger of boring into the refrigerator for curiosity.
Therefore, for the children with low safety precaution awareness, the refrigerator door body of the existing refrigerator can be opened at will, and potential harm is caused to the children.
Disclosure of Invention
The invention provides a method for controlling a refrigerator to open and close a door and the refrigerator, which can limit a child to open a refrigerator door body and solve the technical problem that the existing refrigerator door body opening mode causes potential harm to child groups.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for controlling the opening and closing of a door of a refrigerator is provided, which comprises the following steps: receiving a detection signal detected by an infrared sensor; judging whether a human body exists in front of a refrigerator door body or not based on the detection signal; if yes, judging whether the height of the human body is higher than a set height; if so, the door lock for locking the refrigerator door body is opened, so that the refrigerator door body can be opened after force is applied to the refrigerator door body.
Further, after judging that a human body exists in front of the refrigerator door body, the method further comprises the following steps: and if the height of the human body is lower than the set height, keeping closing the door lock.
Further, after the door lock in the refrigerator is unlocked, the method further includes: receiving a detection signal detected by an infrared sensor; judging whether a human body exists in front of the refrigerator door body or not based on the received detection signal; if not, closing the door lock, so that the refrigerator door body cannot be opened after force is applied to the refrigerator door body.
Further, after the door lock in the refrigerator is unlocked, the method further includes: detecting whether the refrigerator door body is closed or not; if so, judging whether the closing time is more than the preset time; if so, closing the door lock, so that the refrigerator door body cannot be opened after force is applied to the refrigerator door body.
Further, it is judged whether the height of the human body is higher than a set height, and the method specifically comprises the following steps: calculating a distance between the human body and the infrared sensor based on the detection signal; and judging whether the distance is smaller than the set distance.
The refrigerator comprises a refrigerator door body, a controller, an infrared sensor and a door lock; the infrared sensor is arranged on the refrigerator door body, is connected with the controller and is used for detecting a human body; the door lock is connected with the controller and is opened under the control of the controller, so that the refrigerator door body can be opened when force is applied to the refrigerator door body; the controller receives a detection signal detected by the infrared sensor and judges whether a human body exists in front of the refrigerator door body or not based on the detection signal; if so, judging whether the height of the human body is higher than a set height, and if so, controlling to open the door lock.
Further, after the door lock is controlled to be opened, the controller controls to close the door lock when the controller judges that no human body exists in front of the refrigerator door body based on the detection signal.
Further, the infrared sensor is arranged on the upper part of the refrigerator door body.
Further, after the door lock is controlled to be opened, the controller is used for detecting whether the refrigerator door body is closed, if so, judging whether the closing time is greater than the preset time, and if so, closing the door lock.
Further, the controller judges whether a human body exists in front of the refrigerator door body, and specifically comprises: the controller judges whether the distance between the human body and the infrared sensor is less than a set distance based on the detection signal.
Compared with the prior art, the invention has the advantages and positive effects that: according to the method for controlling the refrigerator door to be opened and closed and the refrigerator, the infrared sensor is mounted on the upper portion of the refrigerator door body, signals detected by the infrared sensor are received by the controller, the controller judges whether a human body appears in front of the refrigerator door body, if the human body appears, whether the height of the human body is higher than a set height is continuously judged, for example, the set height is set to be a height value which is higher than the average height of children, if the height is higher than the set height, the appearing human body belongs to adults with self-protection consciousness and capability, a door lock for locking the refrigerator door body is controlled to be opened, a user can apply external force to open the refrigerator door body at the moment, if the height of the user is lower than the set height, the door lock is not opened, the door lock is closed and kept in a locking state, and at; from this, provide a mode of opening the refrigerator door, can restrict the height and be less than the human body of setting for the height and open the refrigerator to can protect the height lower, do not possess the threat that the child crowd of safety precaution consciousness receives the potential harm of refrigerator, solve the technical problem that current refrigerator door body opening mode caused potential harm to child crowd.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a flowchart of a method for controlling opening and closing of a door of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation position of an infrared sensor of a refrigerator according to an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, a flowchart of a method for controlling a door of a refrigerator according to an embodiment of the present invention includes the following steps:
step S11: receiving a detection signal detected by an infrared sensor; and step S12: and judging whether a human body exists in front of the refrigerator door body or not based on the detection signal.
An infrared sensor generally includes an infrared emitting portion that emits infrared rays and an infrared receiving portion that receives the returned infrared rays after the emitted infrared rays hit an obstacle.
The infrared sensor in the embodiment of the invention is arranged on the refrigerator body, preferably on the upper part of the refrigerator door body, the controller is connected with the infrared sensor and receives signals detected by the infrared sensor at a set frequency, and if a human body appears in front of the refrigerator door body, the controller judges that the human body appears in front of the refrigerator door body. If the human body is judged to be present in front of the refrigerator door body, step S13 is executed.
Step S13: and judging whether the height of the human body is higher than the set height.
The set height can be set before leaving the factory according to the actual application condition, or manually set by a user according to the actual requirement through operation control equipment such as keys, remote control and the like.
The detection is based on an infrared ranging technology, such as triangulation infrared ranging, and the distance between the human body and the infrared sensor, which can be calculated according to the infrared ranging principle, is in an inverse relationship with the height of the human body, i.e., if the height of the human body is high, the distance between the human body and the infrared sensor is short, and if the height of the human body is low, the distance between the human body and the infrared sensor is long.
The invention aims to limit the child group with lower height to open the door body of the refrigerator, so that when the distance between a human body and the infrared sensor is smaller than the set distance, the height of the human body is higher than the set height, and the set distance and the set height have a geometric relationship.
If it is determined that the distance between the human body and the infrared sensor is smaller than the set distance, that is, the height of the human body is higher than the set height, step S14 is executed.
Step S14: and the door lock for locking the refrigerator door is opened, so that the refrigerator door can be opened after force is applied to the refrigerator door.
The door lock keeps a closed state when the refrigerator door body is closed, the refrigerator door body is locked, a human body with the height limited to be lower than a set height pulls open the refrigerator door body, when the human body with the height higher than the set height is judged, the door lock is controlled to be opened, and at the moment, the door lock is used for pulling the refrigerator handle to apply external force to pull the refrigerator door body outwards to open the refrigerator door body.
If the distance between the human body and the infrared sensor is greater than the set distance, that is, if the height of the human body is lower than the set height, the step S15 is executed: keeping the door lock closed.
In this case, when the user who appears in front of the refrigerator door is a child group, the door lock is kept closed, and the child group cannot open the refrigerator door even if pulling the refrigerator handle to apply an external force to pull the refrigerator door outwards.
The method for controlling the opening and closing of the refrigerator door provided by the embodiment of the invention can also execute the steps S16-S18 after the door lock in the refrigerator is opened.
Step S16: receiving a detection signal detected by an infrared sensor;
step S17: judging whether a human body exists in front of a refrigerator door body or not based on the received detection signal; if not, step S18: and closing the door lock, so that the refrigerator door body cannot be opened after force is applied to the refrigerator door body.
Or, another way of closing the door lock is provided, after the door lock in the refrigerator is opened, whether the refrigerator door body is closed is detected; if the time is greater than the preset time, judging whether the closing time is greater than the preset time; if so, the door lock is closed, so that the refrigerator door body cannot be opened after force is applied to the refrigerator door body.
The method for controlling the opening and closing of the refrigerator door provided by the embodiment of the invention is characterized in that the infrared sensor is installed on the upper part of the refrigerator door body preferably on the refrigerator body, a signal detected by the infrared sensor is received by the controller, the controller judges whether a human body appears in front of the refrigerator door body, if so, the distance between the human body and the infrared sensor is continuously judged whether to be smaller than a set distance, namely, whether the height of the human body is higher than the set height is judged, if so, the appearing human body belongs to the human body with self-protection consciousness and capability, the door lock for locking the refrigerator door body is controlled to be opened, the human body can apply external force to open the refrigerator door body, otherwise, the refrigerator door body is kept closed and locked, and the.
From this, provide a mode of opening the refrigerator door body, can restrict the height and be less than the human body of setting for the height and open the refrigerator to can protect the height lower, do not possess the threat that the child crowd of safety precaution consciousness receives the potential harm of refrigerator, solve current refrigerator door body and open the mode and have had the technical problem that causes potential harm to child crowd, make the switch door of refrigerator more intelligent, improved user's use and experienced.
Based on the method for controlling the opening and closing of the refrigerator door, the embodiment of the invention provides the refrigerator, as shown in fig. 2, the refrigerator comprises a refrigerator door body 1, a controller, an infrared sensor 2 and a door lock (usually arranged in the refrigerator); the infrared sensor 2 is arranged on the refrigerator door body 1, preferably on the upper part or the top part, is connected with the controller and is used for detecting a human body; the door lock is connected with the controller and is opened under the control of the controller, so that the refrigerator door body 1 can be opened when force is applied to the refrigerator door body 1; the controller receives a detection signal detected by the infrared sensor 2 and judges whether a human body exists in front of the refrigerator door body 1 or not based on the detection signal; if so, judging whether the height of the human body is higher than the set height, and if so, controlling to unlock the door lock.
After the door lock is controlled to be opened, the controller controls the door lock to be closed when judging that no human body exists in front of the refrigerator door body based on the detection signal. Or after the door lock is controlled to be opened, the controller detects whether the refrigerator door body 1 is closed, if so, whether the closing time is greater than the preset time is judged, and if so, the door lock is closed.
The specific controller judges whether a human body exists in front of the refrigerator door body, and specifically comprises the following steps: the controller judges whether the distance between the human body and the infrared sensor is smaller than a set distance or not based on the detection signal; the set distance and the set height have a geometric relation, and when the distance is smaller than the set distance, the height of the human body is higher than the set height.
The specific operation process of the refrigerator has been described in detail in the above method for controlling the opening and closing of the door of the refrigerator, and is not described herein again.
In the method for controlling the refrigerator door to be opened and closed and the refrigerator provided by the embodiment of the invention, based on the principle of infrared distance measurement, whether the height of a human body is higher than a set height is detected by using the infrared sensor, and when the set height is set to be higher than the average height of a child group or the height set by a user according to actual conditions, the limitation that the human body lower than the set height cannot open the refrigerator door is realized, so that child groups with lower heights and without safety precaution consciousness can be protected from being threatened by the potential harm of the refrigerator, the technical problem that the potential harm is caused to the child groups in the existing refrigerator door opening mode is solved, the door to be opened and closed of the refrigerator is more intelligent, and the use experience of the user is improved.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. The method for controlling the opening and closing of the door of the refrigerator is characterized by comprising the following steps:
receiving a detection signal detected by an infrared sensor;
judging whether a human body exists in front of a refrigerator door body or not based on the detection signal; if so,
judging whether the height of the human body is higher than a set height;
if so, opening a door lock for locking the refrigerator door body, so that the refrigerator door body can be opened after force is applied to the refrigerator door body;
after judging that a human body exists in front of the refrigerator door body, the method further comprises the following steps:
and if the height of the human body is lower than the set height, keeping closing the door lock.
2. The method for controlling the opening and closing of the door of the refrigerator according to claim 1, wherein after the door lock in the refrigerator is opened, the method further comprises:
receiving a detection signal detected by an infrared sensor;
judging whether a human body exists in front of the refrigerator door body or not based on the received detection signal;
if not, closing the door lock, so that the refrigerator door body cannot be opened after force is applied to the refrigerator door body.
3. The method for controlling the opening and closing of the door of the refrigerator according to claim 1, wherein after the door lock in the refrigerator is opened, the method further comprises:
detecting whether the refrigerator door body is closed or not;
if so, judging whether the closing time is more than the preset time;
if so, closing the door lock, so that the refrigerator door body cannot be opened after force is applied to the refrigerator door body.
4. The method for controlling the opening and closing of the door of the refrigerator as claimed in claim 1, wherein the step of determining whether the height of the human body is higher than a set height is specifically as follows:
calculating a distance between the human body and the infrared sensor based on the detection signal;
and judging whether the distance is smaller than the set distance.
5. A refrigerator comprises a refrigerator door body, a controller, an infrared sensor and a door lock; the method is characterized in that:
the infrared sensor is arranged on the refrigerator door body, is connected with the controller and is used for detecting a human body;
the door lock is connected with the controller and is opened under the control of the controller, so that the refrigerator door body can be opened when force is applied to the refrigerator door body;
the controller receives a detection signal detected by the infrared sensor and judges whether a human body exists in front of the refrigerator door body or not based on the detection signal; if so, judging whether the height of the human body is higher than a set height, and if so, controlling to open the door lock;
after the door lock is controlled to be opened, the controller controls the door lock to be closed when the controller judges that no human body exists in front of the refrigerator door body based on the detection signal.
6. The refrigerator according to claim 5, wherein the infrared sensor is disposed at an upper portion of the refrigerator door body.
7. The refrigerator according to claim 5, wherein after the door lock is controlled to be opened, the controller is configured to detect whether the refrigerator door is closed, and if so, determine whether a closing time is greater than a preset time, and if so, close the door lock.
8. The refrigerator according to claim 5, wherein the controller determines whether a human body is present in front of the refrigerator door body, specifically: the controller judges whether the distance between the human body and the infrared sensor is less than a set distance based on the detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189678.3A CN106152697B (en) | 2015-04-21 | 2015-04-21 | Method for controlling opening and closing of refrigerator door and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189678.3A CN106152697B (en) | 2015-04-21 | 2015-04-21 | Method for controlling opening and closing of refrigerator door and refrigerator |
Publications (2)
| Publication Number | Publication Date |
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| CN106152697A CN106152697A (en) | 2016-11-23 |
| CN106152697B true CN106152697B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510189678.3A Active CN106152697B (en) | 2015-04-21 | 2015-04-21 | Method for controlling opening and closing of refrigerator door and refrigerator |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424258B (en) * | 2017-06-23 | 2019-08-23 | 深圳市盛路物联通讯技术有限公司 | A kind of control method for electronic lock and system based on Internet of Things |
| CN108042070B (en) * | 2017-12-28 | 2019-11-19 | 宁波美高厨具有限公司 | The control system of water basin dish-washing machine child lock |
| CN108596042A (en) * | 2018-03-29 | 2018-09-28 | 青岛海尔智能技术研发有限公司 | Enabling control method and system |
| CN109163486A (en) * | 2018-09-13 | 2019-01-08 | 永康市华格工业产品设计有限公司 | A kind of refrigerator |
| CN109269218A (en) * | 2018-11-16 | 2019-01-25 | 安徽省岳西县四达有限责任公司 | A kind of method for managing security based on intelligent refrigerator |
| CN110411111A (en) * | 2019-08-14 | 2019-11-05 | 海信（山东）冰箱有限公司 | A kind of automatic opening and closing door refrigerator |
| CN112378153A (en) * | 2020-11-20 | 2021-02-19 | 合肥美菱物联科技有限公司 | Automatic refrigerator locking device and awakening method |
| CN112984948A (en) * | 2021-03-16 | 2021-06-18 | 长虹美菱股份有限公司 | Door opening control method for refrigerator |
| CN113585878B (en) * | 2021-08-17 | 2022-04-19 | 珠海格力电器股份有限公司 | Door lock device, control method and equipment |
| CN114419762A (en) * | 2021-12-08 | 2022-04-29 | 珠海格力电器股份有限公司 | Control method, control device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494511A (en) * | 2011-11-24 | 2012-06-13 | 李守勇 | Opening method of refrigerator door and refrigerator using same |
| TW201512619A (en) * | 2013-06-25 | 2015-04-01 | Toshiba Kk | Refrigerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100547C (en) * | 2000-01-28 | 2003-02-05 | 成锡财 | Kidney-invigorating and bone strengthening capsule |
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2015
- 2015-04-21 CN CN201510189678.3A patent/CN106152697B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494511A (en) * | 2011-11-24 | 2012-06-13 | 李守勇 | Opening method of refrigerator door and refrigerator using same |
| TW201512619A (en) * | 2013-06-25 | 2015-04-01 | Toshiba Kk | Refrigerator |
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| CN106152697A (en) | 2016-11-23 |
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Effective date of registration: 20201113 Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. |
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