CN103900343A - Refrigerator air door opening and closing control system and refrigerator air door closing control method - Google Patents

Refrigerator air door opening and closing control system and refrigerator air door closing control method Download PDF

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Publication number
CN103900343A
CN103900343A CN201410136986.5A CN201410136986A CN103900343A CN 103900343 A CN103900343 A CN 103900343A CN 201410136986 A CN201410136986 A CN 201410136986A CN 103900343 A CN103900343 A CN 103900343A
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air door
doorframe
control
signal
closed
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CN201410136986.5A
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CN103900343B (en
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高超
魏怀堂
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Hefei Midea Refrigerator Co Ltd
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Hefei Midea Refrigerator Co Ltd
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Abstract

The invention provides a refrigerator air door opening and closing control system and a refrigerator air door closing control method. The refrigerator air door opening and closing control system comprises a driving part, a detecting element and a control element. The driving part is connected with a door body and a door frame of an air door, and can drive the door body and the door frame to be opened or closed. The detecting unit is mounted on the air door, and can generate a signal when the door body and the door frame are closed and transmit the signal to the control element. The control element is electrically connected with the driving part and the detecting element, and can receive the signal transmitted by the detecting unit and control the driving part to open or close the air door; after receiving the signal transmitted by the detecting element, the control element controls the driving part to stop. The refrigerator air door opening and closing control system has the advantages that circuit connection modes and control modes of all the air door opening and closing control components in related technologies are improved, the air door is controlled to be closed in place through the signal fed back by the detecting unit when the control element detects closing of the air door, and reliability is better.

Description

The control system that refrigerator air door opens and closes and the control method of refrigerator air door closure
Technical field
The present invention relates to field of household appliances, more specifically, relate to a kind of control system of refrigerator air door switching and a kind of control method of refrigerator air door closure.
Background technology
Air door is a kind of requisite parts in wind cooling refrigerator, and the opening and closing of the Men Tiyu doorframe by air door reach the object of controlling different compartment temperatures in refrigerator.The refrigerator of correlation technique is by the action of master control borad control air door, and the step number of the stepper motor by master control borad control connection Men Tiyu doorframe reaches the object that opens and closes air door, and the heater strip of air door need to be set its break-make of special procedure control in addition.Due to the problem of air door self structure and outside environment for use, the problem that cannot close tight while usually existing air door to close, causes the cold air of each chamber of refrigerator to reveal, and now heater strip can be energized connection.This problem not only has a significant impact refrigerator self energy consumption and performance, also easily causes customer complaint, affects brand image.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, the invention provides the control system that a kind of refrigerator air door opens and closes, line connection and the control mode of each parts of correlation technique control air door switching are improved, the signal that when closed by detection air door, detecting element feeds back is controlled closing of air door and is put in place, this control system is simple and practical, reliability is high, and compared with the air door switching control system of correlation technique, its manufacturing cost does not almost change, and, the application's control air door opens and closes and the mode of heater strip break-make is mechanical type control mode, the low problem of reliability while efficiently solving correlation technique by software (that is: by the mode of master control borad control step electric machine rotation step number) control air door switching and heater strip break-make, make the serviceability of refrigerator more stable.
The control system that the embodiment of first aspect present invention provides a kind of refrigerator air door to open and close, comprising: driver part, connects the door body of described air door and the doorframe of described air door, and can drive described in described Men Tiyu doorframe to open or closed; Detecting element, is arranged on described air door, can in the time that doorframe described in described Men Tiyu be closed, generate signal and the signal of generation is transferred to control element; With described control element, be electrically connected with described driver part and described detecting element, and described control element can receive the signal of described detecting element transmission and control described driver part and open or closed described air door; Wherein, described control element receives after the signal of described detecting element transmission, controls described driver part and stops.
The control system that refrigerator air door provided by the invention opens and closes, line connection and the control mode of each parts of correlation technique control air door switching are improved, the signal that while detecting air door closure by control element, detecting element feeds back is controlled closing of air door and is put in place, this control system is simple and practical, reliability is high, and compared with the air door switching control system of correlation technique, its manufacturing cost does not almost change, and can effectively improve the dependability of refrigerator.
And, the mode that the application's control air door opens and closes is mechanical type control mode, the low problem of reliability while efficiently solving correlation technique by the switching of software (that is: by the mode of master control borad control step electric machine rotation step number) control air door, makes the serviceability of refrigerator more stable.
According to one embodiment of present invention, the control system that described refrigerator air door opens and closes also comprises: heater, be arranged on described door body or described doorframe, and when described in described Men Tiyu, doorframe is closed, described heater obtains electric startup.
In the present embodiment, in the time that Men Tiyu doorframe is closed, can obtain electric startup by the direct control heater of detecting element, also can be that after control element receives the signal of detecting element transmission, control heater starts, two kinds of control modes all can ensure that heater obtains electric startup in the time that Men Tiyu doorframe is closed, can effectively improve the dependability of heater.
According to one embodiment of present invention, described detecting element comprises the first contact and the second contact; In described the first contact and described the second contact one is fixed on described door body, another is fixed on described doorframe; Wherein, when doorframe is closed described in described Men Tiyu, the also conducting that contacts with described the second contact of described the first contact, and the signal that generates while receiving described the first contact and described the second contact conducting of described control element.
Wherein, the first contact is some contact or a plane contact with contacting of the second contact.
According to one embodiment of present invention, described detecting element is touch switch, and in described door body and described doorframe one is provided with described touch switch, another is provided with feeler lever; Wherein, when doorframe is closed described in described Men Tiyu, described feeler lever touches described touch switch and makes described touch switch conducting, and the signal that generates while receiving described touch switch conducting of described control element.
Wherein, touch switch is that point contacts or plane contact with feeler lever.
According to one embodiment of present invention, described heater is electrically connected with described detecting element, and controls described heater when described detecting element conducting and obtain electric startup, and the control mode of this kind of heater can ensure that heater starts after Men Tiyu doorframe closure.
According to one embodiment of present invention, described door body is installed in rotation on described doorframe by described driver part, described heater is fixed on described doorframe and near described doorframe and the closed position contacting of described Men Tixiang, and heater can be avoided freezing Men Tiyu doorframe being freezed mutually in the position of the two joint after Men Tiyu doorframe closure.
The embodiment of second aspect present invention provides a kind of control method of refrigerator air door closure, the control system opening and closing for the refrigerator air door described in above-mentioned arbitrary embodiment, described driver part drives the doorframe closure of air door described in the Men Tiyu of described air door, in the time that doorframe described in described Men Tiyu is closed, detecting element generates signal and also the signal of generation is transferred to control element, and described control element receives to be controlled described driver part after the signal of described detecting element transmission and stop.
The control method of refrigerator air door closure provided by the invention, the mode of controlling air door switching is mechanical type control mode, the low problem of reliability while efficiently solving correlation technique by the switching of software (that is: by the mode of master control borad control step electric machine rotation step number) control air door, makes the serviceability of refrigerator more stable.
According to one embodiment of present invention, described driver part drives described in described Men Tiyu when doorframe is closed, and described control element can be controlled described driver part and drive described door body to rotate set angle so that doorframe closure described in described Men Tiyu:
Described door body rotates after described set angle stops, and when doorframe described in described Men Tiyu is while be closed, described control element receives after the signal that described detecting element transmits driver part described in retentive control to be stopped;
Described door body rotates after described set angle stops, when doorframe described in described Men Tiyu is while being not closed, described control element does not receive the signal of described detecting element transmission, described in described control element control, described in the described Men Tixiang of driver part continuation driving, doorframe rotates, until doorframe closure described in described Men Tiyu is controlled described driver part after the signal that receives described detecting element transmission until described control element and is stopped.
Certainly, control element can be also only to control driver part driving gate body to rotate closure and do not set rotational angle to doorframe, wait receive Men Tiyu doorframe when closed detecting element generates and the signal that transmits after, control driver part stops, and also can realize the application's object.
According to one embodiment of present invention, after doorframe closure, the heater on described air door obtains electric startup described in described Men Tiyu, and the control mode of this kind of heater can ensure that heater starts after Men Tiyu doorframe closure.
According to one embodiment of present invention, when described detecting element generates signal, control described heater and obtain electric startup; And when described in described Men Tiyu, doorframe is not closed, described heater is that power-off stops.
The control system that refrigerator air door provided by the invention opens and closes, line connection and the control mode of each parts of correlation technique control air door switching are improved, the signal that when closed by detection air door, detecting element feeds back is controlled closing of air door and is put in place, this control system is simple and practical, reliability is high, and compared with the air door switching control system of correlation technique, its manufacturing cost does not almost change, and, the application's control air door opens and closes and the mode of heater strip break-make is mechanical type control mode, the low problem of reliability while efficiently solving correlation technique by software (that is: by the mode of master control borad control step electric machine rotation step number) control air door switching and heater strip break-make, make the serviceability of refrigerator more stable.Additional aspect of the present invention and advantage will become in description part below obviously, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the structural representation of control system one embodiment of refrigerator air door switching of the present invention.
Wherein, in Fig. 1, the corresponding relation between Reference numeral and component names is:
1 air door, 11 bodies, 12 doorframes, 2 driver parts, 31 first contacts, 32 second contacts, 4 heaters.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
The control system of refrigerator air door switching provided by the invention, as shown in Figure 1, comprising: driver part 2, connects the door body 11 of described air door 1 and the doorframe 12 of described air door 1, also can drive described door body 11 to open with described doorframe 12 or closure; Detecting element, is arranged on described air door 1, can in the time that described door body 11 and described doorframe 12 be closed, generate signal and the signal of generation is transferred to control element; With described control element (not shown), be electrically connected with described driver part 2 and described detecting element, and described control element can receive the signal of described detecting element transmission and control described driver part 2 and open or closed described air door 1; Wherein, described control element receives after the signal of described detecting element transmission, controls described driver part 2 and stops.
The control system that refrigerator air door provided by the invention opens and closes, line connection and the control mode of each parts that correlation technique control air door 1 opens and closes are improved, the signal that while detecting air door 1 closure by control element, detecting element feeds back is controlled closing of air door 1 and is put in place, this control system is simple and practical, reliability is high, and compared with air door 1 switching control system of correlation technique, its manufacturing cost does not almost change, and can effectively improve the dependability of refrigerator.
And, the mode that the application's control air door 1 opens and closes is mechanical type control mode, efficiently solve correlation technique and control the reliability low problem of air door 1 while opening and closing by software (that is: by the mode of master control borad control step electric machine rotation step number), make the serviceability of refrigerator more stable.
Wherein, control element can be controlled driver part and drive described door body to rotate set angle (as 30 °, 60 °, 90 ° etc.), and the door body 11 that the two-dot chain line in Fig. 1 represents is opened the position after 90 ° with doorframe 32 for door body 31.
According to one embodiment of present invention, the control system that described refrigerator air door opens and closes also comprises: heater 4, be arranged on described door body 11 or described doorframe 12, and described door body 11 is when closed with described doorframe 12, described heater 4 electric startup.
In the present embodiment, in the time that door body 11 and doorframe 12 are closed, can obtain electric startup by the direct control heater 4 of detecting element, also can be that after control element receives the signal of detecting element transmission, control heater 4 starts, two kinds of control modes all can ensure that heater 4 obtains electric startup in the time that door body 11 and doorframe 12 are closed, can effectively improve the dependability of heater 4.
According to one embodiment of present invention, described detecting element comprises the first contact 31 and the second contact 32; Described first contact 31(the application is arranged on a body 11) and described second contact 32(the application be arranged on doorframe 12) in one be fixed on described door body 11, another is fixed on described doorframe 12; Wherein, when described door body 11 is closed with described doorframe 12, the also conducting that contacts with described the second contact 32 of described the first contact 31, and the signal that generates while receiving described the first contact 31 and described the second contact 32 conducting of described control element.
Wherein, the first contact 31 is some contact or a plane contact with contacting of the second contact 32.
According to one embodiment of present invention, described detecting element is touch switch, and in described door body 11 and described doorframe 12 one is provided with described touch switch, another is provided with feeler lever; Wherein, when described door body 11 is closed with described doorframe 12, described feeler lever touches described touch switch and makes described touch switch conducting, and the signal that generates while receiving described touch switch conducting of described control element.
Wherein, touch switch is that point contacts or plane contact with feeler lever.
According to one embodiment of present invention, described heater 4 is electrically connected with described detecting element, and when described detecting element conducting, control described heater 4 and obtain electric startup, the control mode of this kind of heater 4 can ensure that heater 4 starts after door body 11 and doorframe 12 are closed.
According to one embodiment of present invention, described door body 11 is installed in rotation on described doorframe 12 by described driver part 2, described heater 4 is fixed on described doorframe 12 and near described doorframe 12 and described door body 11 closed position contact mutually, and heater 4 can be avoided freezing mutually at an icing body 11 and the doorframe 12 of making in the position of the two joint after a body 11 and doorframe 12 closures.
Wherein, driver part is stepper motor, and control element is master control borad, and heater 4 is heater strip.
Certainly, the application also can be applicable to the mode that Men Tiyu doorframe is rectilinearly-movable open closed, and driver part is selected telescoping cylinder, also can realize the application's object, does not repeat them here.
The control method (not shown) of refrigerator air door closure provided by the invention, the control system opening and closing for the refrigerator air door described in above-mentioned arbitrary embodiment, described driver part 2 drives doorframe 12 closures of door body 11 with the described air door of described air door, in the time that doorframe described in described Men Tiyu is closed, detecting element generates signal and also the signal of generation is transferred to control element, and described control element receives to be controlled described driver part 2 after the signal of described detecting element transmission and stop.
The control method of refrigerator air door closure provided by the invention, the mode that control air door 1 opens and closes is mechanical type control mode, efficiently solve correlation technique and control the reliability low problem of air door 1 while opening and closing by software (that is: by the mode of master control borad control step electric machine rotation step number), make the serviceability of refrigerator more stable.
According to one embodiment of present invention, when described driver part 2 drives described door body 11 and described doorframe 12 closed, described control element can be controlled described driver part 2 and drive described door body 11 to rotate set angle so that described door body 11 and described doorframe 12 closures:
Described door body 11 rotates after described set angle stops, and when described door body 11 is while be closed with described doorframe 12, described control element receives after the signal that described detecting element transmits driver part 2 described in retentive control to be stopped;
Described door body 11 rotates after described set angle stops, when described door body 11 is while being not closed with described doorframe 12, described control element does not receive the signal of described detecting element transmission, described in described control element control, driver part 2 continues to drive described door body 11 to rotate to described doorframe 12, until described door body 11 and described doorframe 12 closures are controlled described driver part 2 after the signal that receives described detecting element transmission until described control element and are stopped.
Certainly, control element can be also only to control driver part 2 driving gate bodies 11 to rotate closure and do not set rotational angle to doorframe 12, wait receive a body 11 when closed with doorframe 12 detecting element generates and the signal that transmits after, control driver part 2 stops, and also can realize the application's object.
According to one embodiment of present invention, after described door body 11 and described doorframe 12 closures, the heater 4 on described air door 1 obtains electric startup, and the control mode of this kind of heater 4 can ensure heater 4 startup after door body 11 and doorframe 12 are closed.
According to one embodiment of present invention, when described detecting element generates signal, control described heater 4 electric startup; And when described door body 11 is not closed with described doorframe 12, described heater 4 stops for power-off.
The specific embodiment of the control method of refrigerator air door closure provided by the invention is:
Described in described control element control, driver part drives described door body to rotate set angle so that doorframe closure described in described Men Tiyu:
Described door body rotates after described set angle stops, and when doorframe described in described Men Tiyu is while be closed, described control element receives after the signal that described detecting element transmits driver part described in retentive control to be stopped;
Described door body rotates after described set angle stops, when doorframe described in described Men Tiyu is while being not closed, described control element does not receive the signal of described detecting element transmission, described in described control element control, described in the described Men Tixiang of driver part continuation driving, doorframe rotates, until doorframe closure described in described Men Tiyu is controlled described driver part after the signal that receives described detecting element transmission until described control element and is stopped.
Wherein, in the time that door body need to be opened, control element can be controlled driver part and drive described door body to rotate set angle (as 30 °, 60 °, 90 ° etc.).
In sum, the control system that refrigerator air door provided by the invention opens and closes, line connection and the control mode of each parts of correlation technique control air door switching are improved, the signal that when closed by detection air door, detecting element feeds back is controlled closing of air door and is put in place, this control system is simple and practical, reliability is high, and compared with the air door switching control system of correlation technique, its manufacturing cost does not almost change, and, the application's control air door opens and closes and the mode of heater strip break-make is mechanical type control mode, the low problem of reliability while efficiently solving correlation technique by software (that is: by the mode of master control borad control step electric machine rotation step number) control air door switching and heater strip break-make, make the serviceability of refrigerator more stable.
In description of the invention, the only object for describing of term " first ", " second ", and can not be interpreted as instruction or hint relative importance.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the description of term " embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. the control system that refrigerator air door opens and closes, is characterized in that, comprising:
Driver part, connect door body and the described air door of described air door doorframe, and can drive described in described Men Tiyu doorframe to open or closed;
Detecting element, is arranged on described air door, can in the time that doorframe described in described Men Tiyu be closed, generate signal and the signal of generation is transferred to control element; With
Described control element, is electrically connected with described driver part and described detecting element, and described control element can receive the signal of described detecting element transmission and control described driver part and open or closed described air door;
Wherein, described control element receives after the signal of described detecting element transmission, controls described driver part and stops.
2. the control system that refrigerator air door according to claim 1 opens and closes, is characterized in that, also comprises:
Heater, is arranged on described door body or described doorframe, and when described in described Men Tiyu, doorframe is closed, described heater obtains electric startup.
3. the control system that refrigerator air door according to claim 2 opens and closes, is characterized in that,
Described detecting element comprises the first contact and the second contact; In described the first contact and described the second contact one is fixed on described door body, another is fixed on described doorframe;
Wherein, when doorframe is closed described in described Men Tiyu, the also conducting that contacts with described the second contact of described the first contact, and the signal that generates while receiving described the first contact and described the second contact conducting of described control element.
4. the control system that refrigerator air door according to claim 2 opens and closes, is characterized in that,
Described detecting element is touch switch, and in described door body and described doorframe one is provided with described touch switch, another is provided with feeler lever;
Wherein, when doorframe is closed described in described Men Tiyu, described feeler lever touches described touch switch and makes described touch switch conducting, and the signal that generates while receiving described touch switch conducting of described control element.
5. the control system opening and closing according to the refrigerator air door described in claim 3 or 4, is characterized in that,
Described heater is electrically connected with described detecting element, and controls described heater when described detecting element conducting and obtain electric startup.
6. the control system that refrigerator air door according to claim 2 opens and closes, is characterized in that,
Described door body is installed in rotation on described doorframe by described driver part, and described heater is fixed on described doorframe and near described doorframe and the closed position contacting of described Men Tixiang.
7. a control method for refrigerator air door closure, the control system opening and closing for the refrigerator air door as described in claim 1 to 6 any one, is characterized in that,
Described driver part drives the doorframe closure of air door described in the Men Tiyu of described air door, in the time that doorframe described in described Men Tiyu is closed, detecting element generates signal and also the signal of generation is transferred to control element, and described control element receives to be controlled described driver part after the signal of described detecting element transmission and stop.
8. the control method of refrigerator air door closure according to claim 7, is characterized in that,
Described driver part drives described in described Men Tiyu when doorframe is closed, and described control element can be controlled described driver part and drive described door body to rotate set angle so that doorframe closure described in described Men Tiyu:
Described door body rotates after described set angle stops, and when doorframe described in described Men Tiyu is while be closed, described control element receives after the signal that described detecting element transmits driver part described in retentive control to be stopped;
Described door body rotates after described set angle stops, when doorframe described in described Men Tiyu is while being not closed, described control element does not receive the signal of described detecting element transmission, described in described control element control, described in the described Men Tixiang of driver part continuation driving, doorframe rotates, until doorframe closure described in described Men Tiyu is controlled described driver part after the signal that receives described detecting element transmission until described control element and is stopped.
9. according to the control method of the refrigerator air door closure described in claim 7 or 8, it is characterized in that,
Described in described Men Tiyu, after doorframe closure, the heater on described air door obtains electric startup.
10. the control method of refrigerator air door closure according to claim 9, is characterized in that,
When described detecting element generates signal, control described heater and obtain electric startup; And
When described in described Men Tiyu, doorframe is not closed, described heater is that power-off stops.
CN201410136986.5A 2014-04-04 2014-04-04 The control method that the control system of refrigerator air door opening and closing and refrigerator air door close Active CN103900343B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104329862A (en) * 2014-11-07 2015-02-04 合肥美的电冰箱有限公司 Refrigerator ventilation door and electric refrigerator
CN104879996A (en) * 2015-05-29 2015-09-02 海信容声(广东)冰箱有限公司 Detecting and limiting structure of air door of refrigeration device
CN113606844A (en) * 2021-08-12 2021-11-05 长虹美菱股份有限公司 Refrigerator electric air door with switch state detection function

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CN1128569A (en) * 1994-04-04 1996-08-07 三星电子株式会社 Cooling air supply control apparatus of refrigerator and control method thereof
CN1464278A (en) * 2002-06-14 2003-12-31 海尔集团公司 Refrigerator electric control air door control device
JP2008275205A (en) * 2007-04-26 2008-11-13 Toshiba Corp Refrigerator
CN102538381A (en) * 2012-02-03 2012-07-04 合肥美的荣事达电冰箱有限公司 Refrigerator and ventilation door driving logic control device, system and method thereof
CN203771898U (en) * 2014-04-04 2014-08-13 合肥美的电冰箱有限公司 System for controlling refrigerator air door to be opened and closed and refrigerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1128569A (en) * 1994-04-04 1996-08-07 三星电子株式会社 Cooling air supply control apparatus of refrigerator and control method thereof
CN1464278A (en) * 2002-06-14 2003-12-31 海尔集团公司 Refrigerator electric control air door control device
JP2008275205A (en) * 2007-04-26 2008-11-13 Toshiba Corp Refrigerator
CN102538381A (en) * 2012-02-03 2012-07-04 合肥美的荣事达电冰箱有限公司 Refrigerator and ventilation door driving logic control device, system and method thereof
CN203771898U (en) * 2014-04-04 2014-08-13 合肥美的电冰箱有限公司 System for controlling refrigerator air door to be opened and closed and refrigerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104329862A (en) * 2014-11-07 2015-02-04 合肥美的电冰箱有限公司 Refrigerator ventilation door and electric refrigerator
CN104329862B (en) * 2014-11-07 2017-02-22 合肥美的电冰箱有限公司 Refrigerator ventilation door and electric refrigerator
CN104879996A (en) * 2015-05-29 2015-09-02 海信容声(广东)冰箱有限公司 Detecting and limiting structure of air door of refrigeration device
CN113606844A (en) * 2021-08-12 2021-11-05 长虹美菱股份有限公司 Refrigerator electric air door with switch state detection function

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