CN104279811B - Electric air door and refrigerator - Google Patents
Electric air door and refrigerator Download PDFInfo
- Publication number
- CN104279811B CN104279811B CN201410528322.3A CN201410528322A CN104279811B CN 104279811 B CN104279811 B CN 104279811B CN 201410528322 A CN201410528322 A CN 201410528322A CN 104279811 B CN104279811 B CN 104279811B
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- mod
- master control
- air door
- control borad
- door
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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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses an electric air door and a refrigerator. The electric air door comprises a main control board and a pressure sensor. The pressure sensor which is connected with the main control board is arranged at one end, used for stopping a butting part, of a stop part. When then stop part stops the butting part, the butting part butts against the pressure sensor so as to trigger the same to send an electric signal to the main control board. The invention further discloses a refrigerator. Whether or not a door plate of the air door is closed totally is detected through the pressure sensor arranged at one end, butting against the butting part, of the stop part, the electric signal is sent to the master control board when the pressure sensor is under butting pressure of the butting part, so that the air-cooled refrigerator with the electric air door can judge whether or not the door plate of the air door is closed totally during closing, and further convenience is brought to the air-cooled refrigerator to remind the user to perform corresponding handling when the door plate of the air door is required to be closed but not closed totally.
Description
Technical field
The present invention relates to MOD and there is the refrigerator of this MOD.
Background technology
At present, conventional wind cooling refrigerator generally uses MOD to control the temperature of its cold room
Degree, when temperature of refrigerating chamber is too high need refrigeration time, MOD open so that cold air flow into cold
Hiding room, when temperature of refrigerating chamber reaches preset temperature, MOD is closed, and cold room stops system
Cold, i.e. MOD generally has only to open and close two states.Common, pass through stepping
The rotating band nutating gear of motor with control MOD opening and closing, but, step
The stepping-in amount entering motor is typically by rule of thumb or tests to obtain, and its stepping-in amount once sets,
When MOD is turned on and off, master control borad turns controlling motor according to default stepping-in amount
Dynamic.But, once MOD close during by external interference or air door door-plate
On exist little ice pellets stop, then motor only rotates default stepping-in amount and is difficult to ensure that electronic wind
Door completely closes, if the air door door-plate of MOD is unable to completely close, then and the cold air of refrigerating chamber
Cold room will be continued to flow into, thus cause the severe phenomenons such as the supercool even icing of cold room, cause
The quality problems of refrigerator, the most visible, if to judge that the air door door-plate of MOD closes completely
Close the most important.
Foregoing is only used for auxiliary and understands technical scheme, and representative recognizes above-mentioned
Content is prior art.
Summary of the invention
Present invention is primarily targeted at solution and judge that the MOD of wind cooling refrigerator completely closes
Whether technical problem.
For achieving the above object, the present invention provides a kind of MOD, including air door door-plate and tooth
Roller box, described gear-box includes driven gear, collision piece and stop part, described driven gear with
Described air door door-plate connects and is used for driving described air door door-plate to rotate, and described collision piece is located at institute
Stating on driven gear, described stop part is for when described air door door-plate completely closes described in backstop
Collision piece；Described MOD also includes master control borad and pressure transducer, described pressure transducer
It is located at one end for collision piece described in backstop of described stop part, and connects with described master control borad
Connect, when collision piece described in described stop part backstop, the described collision piece described pressure sensing of conflict
Device sends the signal of telecommunication to trigger described pressure transducer to described master control borad.
Preferably, described MOD also includes that driving means, described driving means are arranged on institute
Stating in gear-box and be connected with described master control borad, described driving means is for according to described master control borad
Control signal drive described gear-box driven gear rotate or stop operating.
Preferably, when described master control borad receives the described signal of telecommunication, described master control borad controls institute
State driving means to stop operating.
Preferably, described MOD also include air door doorframe and be located at described air door door-plate with
Heater between described air door doorframe, described heater is connected with described master control borad, and
For heating according to the control signal of described master control borad.
Preferably, control the default amount of spin of described driving means rotation when described master control borad and do not connect
When receiving the described signal of telecommunication, described master control borad controls described heater and heats.
Preferably, described heater includes that heater strip, described air door doorframe are provided with storage tank,
Described heater strip is placed in be fixed with described air door doorframe in described storage tank.
Preferably, described MOD also includes that alarm device, described alarm device are located at described
On master control borad, and for sending alarm signal according to the control signal of described master control borad.
Preferably, control the default amount of spin of described driving means rotation when described master control borad and do not connect
When receiving the described signal of telecommunication, described master control borad controls described alarm device and sends alarm signal.
Preferably, described pressure transducer is semiconductor pressure resistance type pressure transducer or direct capacitance
Amount type pressure transducer.
Additionally, for achieving the above object, the present invention also provides for a kind of refrigerator, including described electricity
Wind symptom door.
The MOD that the present invention provides is by being located at one end conflicted with collision piece of stop part
Pressure transducer detection air door door-plate whether completely close, and supported at this pressure transducer
The signal of telecommunication is sent to master control borad, so that have this MOD during the conflict pressure of contact element
Wind cooling refrigerator can determine whether whether this air door door-plate completely closes in closing process, in order to this wind
Cold refrigerator reminds user to carry out respective handling when air door door-plate needs to cut out and do not completely closes,
Thus avoid the severe phenomenons such as the supercool even icing of cold room, reduce by this kind of wind cooling refrigerator quality and ask
The generation of topic, improves the intelligent of this kind of wind cooling refrigerator.
Accompanying drawing explanation
Fig. 1 is the structural representation of MOD one embodiment of the present invention；
Fig. 2 is the knot between the air door door-plate of MOD in Fig. 1, gear-box and air door doorframe
Structure schematic diagram；
Fig. 3 is the enlarged diagram in Fig. 1 at III.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings
Further illustrate.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
The present invention provides a kind of MOD.
Referring to figs. 1 through Fig. 3, in one embodiment, this MOD includes air door door-plate 10
And gear-box 20, this gear-box 20 includes driven gear 21, collision piece 23 and stop part 22,
Wherein, driven gear 21 is connected with air door door-plate 10 and is used for driving air door door-plate 10 to rotate,
Collision piece 23 is located on driven gear 21, and this stop part 22 is for complete at air door door-plate 10
This collision piece 23 of backstop during closedown；This MOD also includes master control borad 50 and pressure transducer
60, this pressure transducer 60 is located at one end for backstop collision piece 23 of stop part 22,
And be connected with master control borad 50 by wire, when stop part 22 backstop collision piece 23, conflict
Part 23 this pressure transducer 60 of conflicting sends to master control borad 50 to trigger this pressure transducer 60
The signal of telecommunication.
In the present embodiment, when air door door-plate 10 completely closes, this stop part 22 backstop should
Collision piece 23, during to prevent air door door-plate 10 from completely closing, driven gear 21 still rotates；And
Pressure transducer 60 is located at the upper end of stop part 22, so that stop part 22 this collision piece of backstop
Conflict when 23 this pressure transducer 60, i.e. when this pressure transducer 60 is by collision piece 23
During conflict pressure, representing that air door door-plate 10 completely closes, now this pressure transducer 60 is to master
Control plate 50 sends the signal of telecommunication, so being transmitted across when master control borad 50 receives pressure transducer 60
During the signal of telecommunication come, the wind cooling refrigerator with this MOD can determine whether that this air door door-plate 10 exists
Whether closing process completely closes.In the present embodiment, pressure transducer 60 and stop part 22
Fixed form can be but be not limited to riveting.
In the present embodiment, this pressure transducer 60 can be but be not limited to semiconductor pressure resistance type pressure
Force transducer or capacitance-type pressure transducer, wherein, deposition tube resistance pressure sensing
Device is to form semiconductor strain pressure at sheet surface, makes thin metal plate by external force (pressure)
And produce Piezoelectric Impedance effect, so that the change of impedance is converted into the signal of telecommunication；Capacitance-type
Pressure transducer, is that the movable the most relative of the fixed pole of glass and silicon is formed electric capacity, can be by
The change being made deformation produced static capacity in its movable pole by external force (pressure) is converted into electricity
Signal.
The MOD that the present embodiment is provided is by being located at conflicting for backstop of stop part 22
The pressure transducer 60 of one end of part 23 detects whether air door door-plate 10 completely closes, and
Telecommunications is sent to master control borad 50 when this pressure transducer 60 is by the conflict pressure of collision piece 23
Number, so that the wind cooling refrigerator with this MOD can determine whether that this air door door-plate 10 is closing
Whether completely close during closing, in order to this wind cooling refrigerator needs to close at air door door-plate 10
And when not completely closing, remind user to carry out respective handling, thus avoid that cold room is supercool even to be tied
The severe phenomenon such as ice, reduces the generation of this kind of wind cooling refrigerator quality problems, improves this kind of air-cooled ice
Case intelligent.
Further, in the present embodiment, this MOD also includes driving means 70, should
Driving means 70 is arranged in gear-box 20 and is connected with master control borad 50 by wire, and this drives
Dynamic device 70 drives the driven gear of gear-box 20 for the control signal according to master control borad 50
21 rotate, thus drive air door door-plate 10 to be turned on or off, and this driving means 70 is also used
The driven gear 21 driving gear-box 20 in the control signal according to master control borad 50 stops operating,
So that air door door-plate 10 stops at open position or closed position.In the present embodiment, when
Master control borad 50 controls this driving means 70 and have rotated default amount of spin and do not receive pressure sensing
During the signal of telecommunication that device 60 sends over, this master control borad 50 may proceed to control this driving means 70
Rotating, i.e. when this driving means 70 have rotated default amount of spin, air door door-plate 10 closes the most completely
When closing, driving means 70 may proceed to rotate and drive air door door-plate 10 to close；Until this master control
Plate 50 receives the signal of telecommunication that pressure transducer 60 sends over, and this master control borad 50 just controls
This driving means 70 power down stops operating, and so, MOD can be avoided in the process closed
In the air door door-plate 10 that caused by external interference be not completely turned off phenomenon.The present embodiment
In, this driving means 70 can be but be not limited to motor, and presetting amount of spin is this step
Enter the default stepping-in amount of motor.
Further, in the present embodiment, this MOD also include air door doorframe 30 and
The heater 40 being located between air door door-plate 10 and air door doorframe 30, this heater 40
It is connected with master control borad 50 by wire, and for adding according to the control signal of master control borad 50
Heat.
Concrete, in the present embodiment, this heater 40 includes heater strip, air door doorframe
30 are provided with storage tank 31, and heater strip is placed in this storage tank 31 and air door doorframe 30
Fixing, control the default amount of spin of this driving means 70 rotation when master control borad 50 and do not receive pressure
During the signal of telecommunication that force transducer 60 sends over, master control borad 50 controls this heater 40 and enters
Row heating, now occurs in that driving means 70 rotates default amount of spin and air door door-plate 10 is the completeest
The situation of contract fully, this situation is most likely due on air door door-plate 10 there is little ice pellets and stops
Being caused, the heater 40 being fixed in air door doorframe 30 carries out heating and can melt little ice
Grain is so that air door door-plate 10 is further turned off, thus gets rid of because little ice pellets stops the wind caused
Severe phenomenon (for the purpose of safety, heater 40 that door board 10 is unable to completely close
The laser heating time unsuitable long).
Further, in the present embodiment, this MOD also includes alarm device 80, should
Alarm device 80 is located on master control borad 50, and for sending out according to the control signal of master control borad 50
Go out alarm signal.Concrete, in the present embodiment, when master control borad 50 controls driving means 70 turns
When moving default amount of spin and do not receive the signal of telecommunication that pressure transducer 60 sends over, master control
Plate 50 controls this alarm device 80 and sends alarm signal, i.e. have rotated when this driving means 70
Presetting amount of spin and air door door-plate 10 when not completely closing, alarm device 80 can send alarm signal
Number, to notify that user has the refrigerator of this MOD and occurs in that air door door-plate 10 is cutting out
During the phenomenon that is interfered, thus remind this user to pay close attention to the situation of this refrigerator, to avoid
The article of the supercool and freezing user of cold room, reduce refrigerator and the damage of user during quality problems occur
Lose.
In the present embodiment, master control borad 50 draws 8 wires altogether, and wherein 2 wires are used for
Connect 60,4 wires of pressure transducer to be used for connecting control driving means 70 to realize air door
Door-plate 10 is turned on or off and 2 wires are for connecting control heater strip heating or stopping
Only heating.
The present invention also provides for a kind of refrigerator.
In one embodiment, this refrigerator includes the MOD in previous embodiment.
These are only the preferred embodiments of the present invention, not thereby limit the patent model of the present invention
Enclosing, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process become
Change, or be directly or indirectly used in other relevant technical fields, be the most in like manner included in the present invention
Scope of patent protection in.
Claims (10)
1. a MOD, it is characterised in that described MOD include air door door-plate and
Gear-box, is provided with driven gear, collision piece and stop part, described driven tooth in described gear-box
Wheel is connected with described air door door-plate and is used for driving described air door door-plate to rotate, and described collision piece sets
On described driven gear, described stop part is for the backstop when described air door door-plate completely closes
Described collision piece；Described MOD also includes master control borad and pressure transducer, and described pressure passes
Sensor is located at one end for collision piece described in backstop of described stop part, and with described master control borad
Connecting, when collision piece described in described stop part backstop, the described collision piece described pressure of conflict passes
Sensor sends the signal of telecommunication to trigger described pressure transducer to described master control borad.
2. MOD as claimed in claim 1, it is characterised in that described MOD
Also include driving means, described driving means be arranged in described gear-box and with described master control borad
Connecting, described driving means drives described gear-box for the control signal according to described master control borad
Driven gear rotate or stop operating.
3. MOD as claimed in claim 2, it is characterised in that when described master control borad
When receiving the described signal of telecommunication, described master control borad controls described driving means and stops operating.
4. MOD as claimed in claim 2, it is characterised in that described MOD
Also include air door doorframe and be located at the heating between described air door door-plate and described air door doorframe
Device, described heater is connected with described master control borad, and for the control according to described master control borad
Signal processed heats.
5. MOD as claimed in claim 4, it is characterised in that when described master control borad
When controlling the default amount of spin of described driving means rotation and do not receive the described signal of telecommunication, described master
Control plate controls described heater and heats.
6. MOD as claimed in claim 4, it is characterised in that described heater
Including heater strip, described air door doorframe is provided with storage tank, and described heater strip is placed in described appearance
Put in groove and fix with described air door doorframe.
7. MOD as claimed in claim 2, it is characterised in that described MOD
Also include that alarm device, described alarm device are located on described master control borad, and for according to described
The control signal of master control borad sends alarm signal.
8. MOD as claimed in claim 7, it is characterised in that when described master control borad
When controlling the default amount of spin of described driving means rotation and do not receive the described signal of telecommunication, described master
Control plate controls described alarm device and sends alarm signal.
9. MOD as claimed in claim 1, it is characterised in that described pressure sensing
Device is semiconductor pressure resistance type pressure transducer or capacitance-type pressure transducer.
10. a refrigerator, it is characterised in that described refrigerator includes such as claim 1 to 9 times
One described MOD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410528322.3A CN104279811B (en) | 2014-10-09 | 2014-10-09 | Electric air door and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410528322.3A CN104279811B (en) | 2014-10-09 | 2014-10-09 | Electric air door and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279811A CN104279811A (en) | 2015-01-14 |
| CN104279811B true CN104279811B (en) | 2017-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410528322.3A Active CN104279811B (en) | 2014-10-09 | 2014-10-09 | Electric air door and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279811B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879996B (en) * | 2015-05-29 | 2017-05-31 | 海信容声(广东)冰箱有限公司 | A kind of detection position limiting structure of cold storage plant air door |
| KR101741751B1 (en) * | 2015-06-17 | 2017-05-31 | 동부대우전자 주식회사 | Refrigerator having cool airflowload damper apparatus and controlling method for the same |
| CN109869971A (en) * | 2017-12-04 | 2019-06-11 | 浙江三花智能控制股份有限公司 | A kind of throttle setting |
| CN108420626B (en) * | 2018-03-15 | 2019-11-12 | 刘敏 | A kind of novel clinical nursing auxiliary uprisal device |
| CN110906609B (en) * | 2018-09-17 | 2021-12-21 | 重庆海尔制冷电器有限公司 | Air-cooled refrigerator |
| CN115289741B (en) * | 2022-07-01 | 2024-06-04 | 长虹美菱股份有限公司 | Wall-mounted refrigerator capable of automatically switching air paths |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3313974B2 (en) * | 1996-05-30 | 2002-08-12 | 株式会社三協精機製作所 | Damper device |
| JP3372172B2 (en) * | 1996-09-10 | 2003-01-27 | 株式会社東芝 | refrigerator |
| JP4157447B2 (en) * | 2003-09-09 | 2008-10-01 | 日本電産サンキョー株式会社 | Damper device |
| JP2009002545A (en) * | 2007-06-20 | 2009-01-08 | Nidec Sankyo Corp | Refrigerator |
| CN102706071A (en) * | 2012-05-15 | 2012-10-03 | 深圳市万至达电机制造有限公司 | Air door motor temperature control device |
| CN203036942U (en) * | 2012-12-10 | 2013-07-03 | 合肥美的荣事达电冰箱有限公司 | Electric air door used for refrigeration equipment, and refrigerator provided with the same |
| CN103900342B (en) * | 2014-04-04 | 2016-02-24 | 合肥美的电冰箱有限公司 | Air door is closed into level detecting apparatus and refrigerating plant |
| 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 |
| CN204177019U (en) * | 2014-10-09 | 2015-02-25 | 合肥美的电冰箱有限公司 | MOD and refrigerator |
-
2014
- 2014-10-09 CN CN201410528322.3A patent/CN104279811B/en active Active
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| CN104279811A (en) | 2015-01-14 |
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