CN112413990A - Device and method for detecting whether refrigerator door is not closed tightly - Google Patents
Device and method for detecting whether refrigerator door is not closed tightly Download PDFInfo
- Publication number
- CN112413990A CN112413990A CN202011386734.XA CN202011386734A CN112413990A CN 112413990 A CN112413990 A CN 112413990A CN 202011386734 A CN202011386734 A CN 202011386734A CN 112413990 A CN112413990 A CN 112413990A
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- Prior art keywords
- refrigerator
- door body
- door
- control panel
- refrigerator door
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- 238000000034 method Methods 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
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- 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
- F25D29/005—Mounting of control devices
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- 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
- F25D29/008—Alarm 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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a detection device and a detection method for unclosed refrigerator doors, wherein the detection device comprises the following steps: the conductive strip is matched with the contact switch; the contact switch transmits a detection signal to the control panel; the control panel controls the display unit to display the state of the door body; when the refrigerator door bodies are all in a closed state, the contact switch outputs a door body position detection signal 1 to the control panel; when the door body is not in a closed state, the contact switch outputs a door body position detection signal 2 to the control panel. According to the invention, the conductive strips and the capacitive touch switches are arranged on the door body and the refrigerator body, the capacitive touch switches are used for detecting the approaching and leaving of the conductive strips, and judging whether the seal of the refrigerator door is tightly attached to the refrigerator body or not, so as to judge whether the refrigerator door is not closed tightly or not; the use experience of a user can be improved, the phenomenon that food in the refrigerator is rotten due to cold leakage of the refrigerator caused by the reasons is avoided, unnecessary electric quantity waste can be reduced, and the service life of the refrigerator is prolonged.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a detection device and a detection method for unclosed refrigerator doors.
Background
With the improvement of the life quality of people, basic household households purchase refrigerators to store food. When the service life of the refrigerator is prolonged, the door seal is in a stressed state for a long time, so that the problems of aging deformation, demagnetization and the like are easily caused, and the phenomenon that the refrigerator door is not tightly closed is further caused. Namely, the door is basically in the closed position, but the door seal magnetic stripe is not attracted with the box body. This phenomenon is not easy to be found by users, which results in long-time cold leakage at the door seal, poor refrigerating and fresh-keeping effects of the refrigerator, and may cause the problems of food deterioration, frost or dew formation of the refrigerator, increased power consumption and the like.
The vast majority of refrigerators in the existing market adopt travel switch and magnetic control switch to detect the opening and closing state of the refrigerator door, the refrigerator body and the refrigerator door are laminated to a certain extent and then judged to be closed, and whether the door seal magnetic stripe and the refrigerator body are closely attracted can not be detected. Aiming at the defects of the prior art, the invention provides a device and a method for detecting whether a refrigerator door is not tightly closed, which can detect the condition that a door seal magnetic stripe is not tightly attracted with a refrigerator body, remind a user of timely handling and avoid the problems.
Disclosure of Invention
The invention aims to provide a device and a method for detecting whether a refrigerator door is not closed tightly.A conductive bar and a capacitive touch switch are arranged on a door body and a refrigerator body, and the capacitive touch switch is used for detecting the approaching and leaving of the conductive bar, judging whether a refrigerator door seal is tightly attached to the refrigerator body or not, and further judging whether the refrigerator door is not closed tightly or not; the use experience of a user can be improved, the phenomenon that food in the refrigerator is rotten due to cold leakage of the refrigerator caused by the reasons is avoided, unnecessary electric quantity waste can be reduced, and the service life of the refrigerator is prolonged.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a device and a method for detecting unclosed refrigerator doors, comprising the following steps: the device comprises a detection module, a control panel and a reminding module; the detection module comprises a conductive strip and a contact switch; the reminding module comprises a display unit; the bus bar and the display unit are arranged on the door body; the contact switch and the control panel are arranged on the box body; the conductive strip is matched with the contact switch; the contact switch transmits a detection signal to the control panel; the control panel controls the display unit to display the state of the door body; when the refrigerator door bodies are in a closed state, the door bodies are tightly attached to the refrigerator body, the touch switch detects that the conductive bars are attached, and the touch switch outputs a door body position detection signal 1 to the control panel; when the door body is in a non-tight state, the distance between the conductive strips and the touch switch is far, the touch switch cannot detect the signals of the conductive strips, and the touch switch outputs a door body position detection signal 2 to the control panel.
Furthermore, the conductive strip is arranged at the edge position of a door sealing strip of the door body; the display unit is arranged in the middle of the front side of the door body.
Further, the contact switch is installed at the edge position of the opening end of the box body.
Further, the contact switch is a capacitive contact switch.
Further, the reminding unit further comprises a buzzer or a mobile terminal; and the control panel transmits a control signal to the buzzer or the mobile terminal.
A method for detecting whether a refrigerator door is not closed tightly comprises the following steps:
stp1, a touch switch arranged on the refrigerator body outputs a refrigerator door body position detection signal at the current moment, if the touch switch detects that the conductive strips are close, a door body position detection signal 1 is output, otherwise, a door body position detection signal 2 is output;
stp2, the control board judges whether the refrigerator door body is closed at the moment according to the refrigerator door body position detection signal output by the touch switch, and outputs the refrigerator door body position signal;
stp3, if the control panel outputs a door position signal 1, it indicates that the refrigerator door is in a closed state, and does not need to remind the user; and when the control panel outputs a door position signal 2, which indicates that the refrigerator door is not closed tightly, the reminding module reminds the user.
The invention has the following beneficial effects:
according to the invention, the conductive strips and the capacitive touch switches are arranged on the door body and the refrigerator body, the capacitive touch switches are used for detecting the approaching and leaving of the conductive strips, and judging whether the seal of the refrigerator door is tightly attached to the refrigerator body or not, so as to judge whether the refrigerator door is not closed tightly or not; the use experience of a user can be improved, the phenomenon that food in the refrigerator is rotten due to cold leakage of the refrigerator caused by the reasons is avoided, unnecessary electric quantity waste can be reduced, and the service life of the refrigerator is prolonged.
Of course, it is not necessary for any product in which the invention is practiced 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 schematic structural diagram of a device for detecting whether a refrigerator door is closed tightly;
FIG. 2 is a schematic structural view of a door body;
FIG. 3 is a cross-sectional view of a device for detecting whether a refrigerator door is closed;
fig. 4 is a flow chart of a method for detecting whether a refrigerator door is not closed.
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. 1-3, the present invention is a device for detecting whether a refrigerator door is not closed, including: a detection module, a control panel 600 and a reminding module; the detection module includes a conductive strip 300 and a contact switch 400; the reminding module comprises a display unit 700; the reminding unit also comprises a buzzer or a mobile terminal; the control board 600 transmits a control signal to the buzzer or the mobile terminal; the contact switch 400 is a capacitive contact switch;
the conductive bar 300 and the display unit 700 are mounted on the door body 100; the contact switch 400 and the control board 600 are mounted on the case 500; the conductive strip 300 is installed at the edge position of the door sealing strip 200 of the door body 100; the display unit 700 is installed in the middle of the front surface of the door body 100; the contact switch 400 is installed at the edge of the opening end of the case 500;
the conductive strip 300 and the contact switch 400 cooperate; the touch switch 400 transmits a detection signal to the control board 600; the control panel 600 controls the display unit 700 to display the state of the door body 100;
when the refrigerator door bodies 100 are in a closed state, the door bodies 100 are tightly attached to the refrigerator body 500, the touch switch 400 detects that the conductive strips 300 are close to each other, and the touch switch 400 outputs a door body 100 position detection signal 1 to the control panel 600;
when the door body 100 is in a non-tight state, the distance between the conductive strip 300 and the touch switch 400 is long, the touch switch 400 cannot detect the signal of the conductive strip 300, and the touch switch 400 outputs a position detection signal 2 of the door body 100 to the control board 600.
As shown in fig. 4, a method for detecting whether a refrigerator door is not closed tightly includes the following steps:
stp1 and a touch switch 400 arranged on a refrigerator body 500 output a position detection signal of a refrigerator door 100 at the current moment, if the touch switch 400 detects that a conductive strip 300 is close to the touch switch, a position detection signal 1 of the door 100 is output, otherwise, a position detection signal 2 of the door 100 is output;
the Stp2 and the control board 600 judge whether the refrigerator door 100 is closed at the moment according to the position detection signal of the refrigerator door 100 output by the touch switch 400, and output the position signal of the refrigerator door 100;
stp3, if the control panel 600 outputs the door position signal 1, it indicates that the refrigerator door 100 is in a closed state, and does not need to remind the user; and when the control panel outputs the position signal 2 of the door body 100, which indicates that the refrigerator door body 100 is not closed tightly, the reminding module reminds the user.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 (6)
1. A refrigerator door unclosed detection device, its characterized in that includes: the device comprises a detection module, a control panel (600) and a reminding module; the detection module comprises a conductive strip (300) and a contact switch (400); the reminder module comprises a display unit (700);
the conductive strips (300) and the display unit (700) are arranged on the door body (100); the contact switch (400) and the control panel (600) are arranged on the box body (500);
-said conductive strip (300) cooperates with a contact switch (400); the contact switch (400) transmits a detection signal to a control board (600); the control panel (600) controls the display unit (700) to display the state of the door body (100);
when the refrigerator door bodies (100) are in a closed state, the door bodies (100) are tightly attached to the refrigerator body (500), the touch switch (400) detects that the conductive strips (300) are close to each other, and the touch switch (400) outputs a door body (100) position detection signal 1 to the control panel (600);
when the door body (100) is in a non-closed state, the distance between the conductive strip (300) and the touch switch (400) is far, the touch switch (400) cannot detect the signal of the conductive strip (300), and the touch switch (400) outputs a door body (100) position detection signal 2 to the control panel (600).
2. The device for detecting whether the refrigerator door is not closed tightly according to claim 1, wherein the conductive strip (300) is installed at the edge position of the door sealing strip (200) of the door body (100); the display unit (700) is arranged in the middle of the front surface of the door body (100).
3. A refrigerator door unclosed detection device according to claim 1, wherein the contact switch (400) is installed at the edge position of the opening end of the cabinet (500).
4. A refrigerator door unclosed detection device according to claim 1, wherein the contact switch (400) is a capacitive contact switch.
5. The device for detecting whether a refrigerator door is not closed tightly as claimed in claim 1, wherein the reminding unit further comprises a buzzer or a mobile terminal; the control panel (600) transmits a control signal to the buzzer or the mobile terminal.
6. A method for detecting whether a refrigerator door is closed tightly is characterized by comprising the following steps:
the Stp1 and a touch switch (400) arranged on a refrigerator body (500) output a position detection signal of a refrigerator door body (100) at the current moment, if the touch switch (400) detects that a conductive strip (300) is close to the touch switch, a position detection signal 1 of the door body (100) is output, otherwise, a position detection signal 2 of the door body (100) is output;
the Stp2 and the control panel (600) judge whether the refrigerator door body (100) is closed at the moment according to the position detection signal of the refrigerator door body (100) output by the touch switch (400), and output a position signal of the refrigerator door body (100);
stp3, if the control panel (600) outputs a door position signal 1, it indicates that the refrigerator door (100) is in a closed state, and does not need to remind a user; and when the control panel outputs a door body (100) position signal 2, which indicates that the refrigerator door body (100) is not closed tightly, the reminding module reminds a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386734.XA CN112413990A (en) | 2020-12-01 | 2020-12-01 | Device and method for detecting whether refrigerator door is not closed tightly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386734.XA CN112413990A (en) | 2020-12-01 | 2020-12-01 | Device and method for detecting whether refrigerator door is not closed tightly |
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| Publication Number | Publication Date |
|---|---|
| CN112413990A true CN112413990A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011386734.XA Pending CN112413990A (en) | 2020-12-01 | 2020-12-01 | Device and method for detecting whether refrigerator door is not closed tightly |
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| Country | Link |
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| CN (1) | CN112413990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063251A (en) * | 2021-04-14 | 2021-07-02 | 长虹美菱股份有限公司 | Refrigerator door closing detection method |
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| CN103528341A (en) * | 2013-11-05 | 2014-01-22 | 合肥美菱股份有限公司 | Refrigerator door position detection system |
| CN203908200U (en) * | 2014-06-28 | 2014-10-29 | 西安科技大学 | Non-tight closing alarm device for refrigerator door |
| CN104329906A (en) * | 2014-11-21 | 2015-02-04 | 合肥美的电冰箱有限公司 | Door closing reminding device and refrigerator |
| KR20180068632A (en) * | 2016-12-14 | 2018-06-22 | 엘지전자 주식회사 | Refrigerator and method for detecting door opening of refrigerator |
| CN111486657A (en) * | 2020-04-27 | 2020-08-04 | 合肥美菱物联科技有限公司 | Refrigerator door detection control method based on angle sensor |
| CN111649527A (en) * | 2020-06-09 | 2020-09-11 | 合肥美菱物联科技有限公司 | Device and method for detecting sealing performance of refrigerator door body |
-
2020
- 2020-12-01 CN CN202011386734.XA patent/CN112413990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528341A (en) * | 2013-11-05 | 2014-01-22 | 合肥美菱股份有限公司 | Refrigerator door position detection system |
| CN203908200U (en) * | 2014-06-28 | 2014-10-29 | 西安科技大学 | Non-tight closing alarm device for refrigerator door |
| CN104329906A (en) * | 2014-11-21 | 2015-02-04 | 合肥美的电冰箱有限公司 | Door closing reminding device and refrigerator |
| KR20180068632A (en) * | 2016-12-14 | 2018-06-22 | 엘지전자 주식회사 | Refrigerator and method for detecting door opening of refrigerator |
| CN111486657A (en) * | 2020-04-27 | 2020-08-04 | 合肥美菱物联科技有限公司 | Refrigerator door detection control method based on angle sensor |
| CN111649527A (en) * | 2020-06-09 | 2020-09-11 | 合肥美菱物联科技有限公司 | Device and method for detecting sealing performance of refrigerator door body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063251A (en) * | 2021-04-14 | 2021-07-02 | 长虹美菱股份有限公司 | Refrigerator door closing detection method |
| CN113063251B (en) * | 2021-04-14 | 2022-08-12 | 长虹美菱股份有限公司 | Refrigerator door closing detection method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |
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| RJ01 | Rejection of invention patent application after publication |