CN105222507B - Refrigerator and its control method - Google Patents
Refrigerator and its control method Download PDFInfo
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- CN105222507B CN105222507B CN201510604318.5A CN201510604318A CN105222507B CN 105222507 B CN105222507 B CN 105222507B CN 201510604318 A CN201510604318 A CN 201510604318A CN 105222507 B CN105222507 B CN 105222507B
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Abstract
The present invention provides a kind of refrigerator and its control method.Wherein the refrigerator includes：Babinet；Door body；Communicating pipe, is arranged on door body or babinet, to connect outside compartment and babinet；Pressure-detecting device, was arranged in communicating pipe, and was configured to detection compartment internal gas pressure and the pressure difference value of babinet ambient outside air pressure；And control device, it is electrically connected with pressure-detecting device, and be configured to adjust the operating status of refrigerator according to pressure difference value.The refrigerator of the present invention, sets pressure-detecting device inside communicating pipe, measures the pressure difference value of itself suffered compartment internal gas and babinet extraneous gas, and is converted into corresponding electric signal.Control device adjusts the operating status of refrigerator after above-said current signal by obtaining and analyzing, and in the case where ensureing that refrigerator inside sealing is stringent, above-mentioned pressure difference value is maintained in suitable scope.
Description
Technical field
The present invention relates to refrigerator control, more particularly to a kind of refrigerator and its control method with pressure control.
Background technology
During domestic refrigerator normal use, compartment is typically in air-tight state.The temperature of refrigerator compartment is less than outside babinet
Ambient temperature, therefore the air pressure of refrigerator compartment can produce certain also below the external atmosphere pressure outside babinet, refrigerator inside and outside
Pressure differential.
Under normal circumstances, pressure above difference will not have an impact the normal use of refrigerator.But extremely make at some
With situation, such as when refrigerating plant breaks down, it is possible to occur that pressure differential is excessive, cause the feelings that door body is difficult to open occur
Condition.
In addition, the aging of sealing strip, door body are not turned off completely, when door seal actuation is not in place, the external world will have
A part of damp-heat air enters compartment, have impact on the normal work of refrigerator, and frosting icing etc. can be produced inside compartment
Phenomenon, causes user inconvenient for use.
The content of the invention
It is an object of the present invention to provide a kind of refrigerator and its control method to solve one of above-mentioned technological deficiency.
Another of the present invention is further objective is that will avoid causing door body to be not easy to beat because compartment external and internal pressure difference is excessive
Open.
Another of the present invention is further objective is that the poorly sealed situation that compartment occurs will be reminded in time.
Especially, the present invention provides a kind of refrigerator, including：Babinet, defines compartment inside it；Door body, pivotly
It is arranged at the side of babinet；Communicating pipe, is arranged on door body or babinet, to connect outside compartment and babinet；Pressure detecting fills
Put, be arranged in communicating pipe, and be configured to detection compartment internal gas pressure and the pressure differential of babinet ambient outside air pressure
Value；And control device, it is electrically connected with pressure-detecting device, and be configured to adjust the operating status of refrigerator according to pressure difference value.
Alternatively, communicating pipe is obliquely installed, and is higher than other end close to one end of compartment.
Alternatively, pressure-detecting device is diaphragm type resistance strain sensor.
Alternatively, pressure-detecting device is arranged at the one end being connected with compartment communicating pipe, and covers the transversal of communicating pipe
Face.
Alternatively, control device is configured to：After the refrigerating plant of refrigerator is opened, if the pressure differential of pressure-detecting device
Value is higher than the first preset pressure value, then controls refrigerating plant to be stopped.
Alternatively, above-mentioned refrigerator is additionally provided with alarm device, and control device is configured to：Opening refrigerating plant warp
After spending the scheduled time, if the pressure difference value of pressure-detecting device is less than the second preset pressure value, control alarm device sends police
The number of notifying, to prompt compartment poorly sealed.
According to another aspect of the present invention, a kind of control method of refrigerator is additionally provided.The control method includes：Inspection
Survey the compartment internal gas pressure of refrigerator and the pressure difference value of the babinet ambient outside air pressure of refrigerator；And according to pressure differential
The operating status of value adjustment refrigerator.
Alternatively, the step of adjusting the operating status of refrigerator according to pressure difference value further includes：Opening the refrigeration dress of refrigerator
Postpone, if pressure difference value is higher than the first preset pressure value, control refrigerating plant is stopped.
Alternatively, the step of adjusting the operating status of refrigerator according to pressure difference value further includes：Opening the refrigeration dress of refrigerator
Put after the scheduled time, if pressure difference value is less than the second preset pressure value, the alarm device of control refrigerator sends alarm signal
Number, to prompt compartment poorly sealed.
Alternatively, the step of detecting compartment internal gas pressure and the pressure difference value of babinet ambient outside air pressure is also wrapped
Include：One end for being connected using the communicating pipe for being arranged at refrigerator with compartment and cover the diaphragm type resistance of the cross section of communicating pipe should
Become sensor, compartment internal gas pressure and the pressure difference value of babinet ambient outside air pressure are detected, wherein connecting
Pipe is arranged in the door body or babinet of refrigerator, to connect outside compartment and babinet.
The refrigerator of the present invention, communicating pipe is set on refrigerator door or babinet, sets pressure detecting to fill inside communicating pipe
Put.Pressure-detecting device can measure the pressure difference value of itself suffered compartment internal gas and babinet extraneous gas, and be converted into
Corresponding electric signal.Control device is electrically connected by pressure above detection device, can be obtained and be adjusted after analyzing above-said current signal
The operating status of whole refrigerator, in the case where ensureing that refrigerator inside sealing is stringent, makes above-mentioned pressure difference value be maintained at suitable model
In enclosing.
Further, refrigerator of the invention, after refrigerating plant is initiated through the scheduled time, in definite above-mentioned pressure difference value
In the case of the second preset pressure value, it is stringent to infer that refrigerator inside does not seal, it is corresponding to control alarm device to send out in time
Go out alarm, remind user to check whether door body closes completely or whether door seal is attracted in place, prevents damp-heat air due to pressure
Difference enters refrigerator inside and forms frost, influences the normal use of refrigerator.
Further, refrigerator of the invention, after refrigerating plant startup, can continue to detect above-mentioned pressure difference value.If pressure
Force difference value is higher than the first preset pressure value, it was demonstrated that compartment internal pressure is too low, door body can be caused to be difficult to situation about opening, at this time by force
Row control refrigerating plant is stopped, and indoor air pressure is gone up, and reduces indoor outer pressure differential, easy to open door body.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of detailed description of the present invention by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the perspective schematic view of refrigerator according to an embodiment of the invention；
Fig. 2 is the schematic partial enlarged view of the communicating tube structure of refrigerator according to an embodiment of the invention；
Fig. 3 is the control block diagram of refrigerator according to an embodiment of the invention；
Fig. 4 is the schematic diagram of the control method of refrigerator according to an embodiment of the invention；And
Fig. 5 is the flow chart of the control method of the refrigerator of another embodiment according to the present invention.
Embodiment
Embodiment of the invention discloses that a kind of refrigerator, as shown in Figure 1, the refrigerator includes：Babinet 10, defines inside it
Compartment 12；Door body 11, is pivotably disposed in the side of babinet 10；Communicating pipe 20, is arranged on door body 11 or babinet 10, with even
Outside logical compartment 12 and babinet 10；Pressure-detecting device 21, was arranged in communicating pipe 20, and was configured to inside detection compartment 12
Gas pressure and the pressure difference value of 10 ambient outside air pressure of babinet；And control device, it is electrically connected with pressure-detecting device 21
Connect, and be configured to adjust the operating status of refrigerator according to pressure difference value.
Fig. 2 is the schematic partial enlarged view of the through-pipe structure of refrigerator according to an embodiment of the invention, connection
Pipe 20 is obliquely installed, and is higher than other end close to one end of compartment 12.Pressure-detecting device 21 is diaphragm type resistance-strain
Sensor, is arranged at the one end being connected with compartment 12 communicating pipe 20, and covers the cross section of communicating pipe 20.
20 slant setting of communicating pipe of the refrigerator of the present embodiment, prevents the foreign matters such as the dust in the external world from entering by communicating pipe 20
Refrigerator.Diaphragm type resistance strain sensor 21 is arranged at the one end being connected with compartment 12 communicating pipe 20, prevents the ice of refrigerator inside
The foreign matters such as frost are downwardly into communicating pipe 20, are adsorbed onto the inner side of diaphragm type resistance strain sensor 21, influence its use.Diaphragm type
Resistance strain sensor 21 needs to cover the cross section of whole communicating pipe 20, compartment 12 is formed the space of closing, outer to prevent
Boundary's air flows into, and freezes to form frost at communicating pipe 20, influences its use.Diaphragm type resistance strain sensor 21 is inspection
The device of itself pressure is surveyed, and need to try one's best be vertically arranged it to be detected to prevent self gravitation impacts.
21 self-resistance of diaphragm type resistance strain sensor changes with pressure, therefore can measure suffered by itself
The pressure difference value of 10 extraneous gas of 12 internal gas of compartment and babinet, and this physical signal can be converted into corresponding telecommunications
Number, it is transferred on the control device being electrically connected.Control device after obtaining and analyzing above-said current signal by adjusting refrigerator
Operating status, in the case where ensureing that refrigerator inside sealing is stringent, makes above-mentioned pressure difference value be maintained in suitable scope.
After the startup of refrigerating plant 30, it can continue to detect above-mentioned pressure difference value.If it is higher than the first preset pressure value, it was demonstrated that
12 internal pressure of room is too low, and door body 11 can be caused to be difficult to situation about opening, and controls refrigerating plant 30 to be stopped by force at this time,
Air pressure is gone up in room 12, and above-mentioned pressure difference value reduces, and door body 11 is easy to be opened.
In addition, after refrigerating plant 30 is initiated through the scheduled time, the pressure of diaphragm type resistance strain sensor 21 can be detected
Force difference value.If being less than the second preset pressure value, it is stringent to prove that refrigerator inside does not seal, and alarm device can be controlled timely
Ground sends alarm, reminds user to check whether door body 11 closes completely or whether door seal is attracted in place.
Fig. 3 is the control block diagram of refrigerator according to an embodiment of the invention, and pressure-detecting device 21 can detect it certainly
The inside of compartment 12 suffered by body and the pressure difference value outside babinet 10, and its resistance value can become with above-mentioned pressure difference value Development pattern
Change.Between the control device 304 being electrically connected with pressure-detecting device 21 is obtained by obtaining the testing result of pressure-detecting device 21
Pressure condition in room 12.Control device 304 adjusts the operating status of refrigerator after above-said current signal by obtaining and analyzing.Such as
Change the start and stop state for including refrigerating plant 306 and control alarm device 308 sends prompting sealing standby signal.Ensureing refrigerator
In the case that inner sealing is stringent, above-mentioned pressure difference value is set to be maintained in suitable scope.
The embodiment of the present invention additionally provides a kind of control method of refrigerator, which can be to one reality of any of the above
The refrigerator for applying example is controlled, and adjusts the operating status of refrigerator.As shown in figure 4, the control method of the refrigerator in general manner can be with
Including：
Step S402, obtains the pressure difference value of pressure-detecting device 21；
Step S404, judges to detect the pressure difference value whether in defined scope；
Step S406, if the testing result of step S404 is no, adjusts the operating status of refrigerator；
Step S404, detecting the step of pressure difference value is whether in defined scope includes, and whether the pressure difference value
Higher than the first preset pressure value, the first preset pressure value can be configured according to refrigerator size, model, its equipping rules is：It is right
During refrigerator normal operating conditions, tested inside compartment with the gas pressure difference outside refrigerator, and it is poor to different pressures
The pulling force that lower door body is opened, which is summarized, to be drawn.Such as the continuous firing with refrigerating plant 30, the air pressure inside compartment 12 are got over
Come lower, door body 11 is increasingly not easy to be opened.First preset pressure value, can be according to pole during refrigerator normal operating conditions
The air pressure of compartment is configured under limit worst cold case, using air pressure difference at this time as above-mentioned first preset pressure value；Or root
The dynamics opened according to refrigerator door is configured, and is that the air pressure difference for being difficult to be opened is preset as above-mentioned first using door body 11
Pressure value.
One kind of step S404 optionally performs mode, and (ice is determined after refrigerating plant 30 has brought into operation the scheduled time
Case enters stable working status), judge whether pressure difference value has exceeded the second preset pressure value.The big I of the scheduled time
According to refrigerator size, the power of model and refrigerating plant 30 is configured, and is configured to slightly larger than closed this kind of good ice
Case starts to its compartment 12 since refrigerating plant 30 and reaches the highest normal cryogenic temperature required time；Second default pressure
Force value also can be according to refrigerator size, and the power of model and refrigerating plant 30 is configured, its equipping rules is：According to closed
Pressure difference value of this kind of good refrigerator under the normal refrigerating state of maximum temperature suffered by pressure-detecting device 21 is set
Put.Second preset pressure value is generally less than above-mentioned first preset pressure value.
Step S406, adjusting the operating status of refrigerator can include：After refrigerating plant 30 starts to work the scheduled time, if
Above-mentioned pressure difference value is less than the second preset pressure value, then controls alarm device to send alarm, to prompt user that refrigerator is poorly sealed.
Alarm can by sound, light, image, send the various ways such as alarming short message to customer mobile terminal and realize.
Fig. 5 is the flow chart of the control method of refrigerator according to another embodiment of the present invention.This method includes in general manner：
Step S502, opens refrigerating plant 30；
Step S504, judges whether the pressure difference value of detection device 21 is more than the first preset pressure value；
Step S506, if the judging result of step S504 is yes, control refrigerating plant 30 is stopped；
Step S508, if the judging result of step S504 is no, then judges whether the refrigerating plant opening time exceedes
The scheduled time, if the refrigerating plant opening time not less than the scheduled time, back to step S504；
Step S510, if the judging result of step S508 is yes, continues to judge whether above-mentioned pressure difference value is pre- less than second
If pressure value, if pressure difference value is greater than or equal to the second preset pressure value, back to step S504；
Step S512, if the judging result of step S510 is yes, control alarm device sends alarm；
Step S506, after refrigerating plant 30 is stopped, refrigerator inside air pressure rise, door body 11 is easy to be opened.
Step S512, after the unlatching of refrigerating plant 30 exceedes the scheduled time, and above-mentioned pressure difference value is less than the second default pressure
During force value, illustrate that door body 11 is not closed tight or door seal is attracted not in place, control alarm device to send alarm at this time, remind user into
Row leak detection, it is therefore prevented that the extraneous damp-heat air of babinet 10 freezes to form frost since draught head enters compartment 12.
The refrigerator of the present embodiment, sets communicating pipe on refrigerator door or babinet, pressure detecting is set inside communicating pipe
Device.Pressure-detecting device can measure the pressure difference value of itself suffered compartment internal gas and babinet extraneous gas, and change
Into corresponding electric signal.Control device is electrically connected by pressure above detection device, after can obtaining and analyzing above-said current signal
The operating status of refrigerator is adjusted, in the case where ensureing that refrigerator inside sealing is stringent, above-mentioned pressure difference value is maintained at suitable
In the range of.
After refrigerating plant is initiated through the scheduled time, feelings of the above-mentioned pressure difference value less than the second preset pressure value are being determined
Under condition, it is stringent to infer that refrigerator inside does not seal, it is corresponding to control alarm device to send alarm in time, remind user to check door body
Whether close completely or whether door seal be attracted in place, prevent damp-heat air from forming frost since pressure differential enters refrigerator inside,
Influence the normal use of refrigerator.
After refrigerating plant startup, the lasting above-mentioned pressure difference value of detection can be passed through.If pressure difference value is default higher than first
Pressure value, it was demonstrated that compartment internal pressure is too low, and door body can be caused to be difficult to situation about opening, and controls refrigerating plant to stop by force at this time
Work, makes indoor air pressure go up, and reduces indoor outer pressure differential, easy to open door body.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present invention disclosure it is direct
Determine or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (8)
1. a kind of refrigerator, including：
Babinet, defines compartment inside it；
Door body, is pivotably disposed in the side of the babinet；
Communicating pipe, is arranged on the door body or the babinet, to connect outside the compartment and the babinet；
Pressure-detecting device, was arranged in the communicating pipe, and was configured to detect the compartment internal gas pressure and the case
The pressure difference value of pressure of ambient gas outside body；And
Control device, is electrically connected with the pressure-detecting device, and is configured to after the refrigerating plant of the refrigerator is opened, if institute
The pressure difference value for stating pressure-detecting device is higher than the first preset pressure value, then controls the refrigerating plant to be stopped.
2. refrigerator according to claim 1, wherein
The communicating pipe is obliquely installed, and is higher than other end close to one end of the compartment.
3. refrigerator according to claim 1, wherein
The pressure-detecting device is diaphragm type resistance strain sensor.
4. the refrigerator according to Claims 2 or 3, wherein
The pressure-detecting device is arranged at the one end being connected with the compartment communicating pipe, and covers the communicating pipe
Cross section.
5. refrigerator according to claim 4, is additionally provided with alarm device, and
The control device is configured to：Refrigerating plant is being opened after the scheduled time, if the institute of the pressure-detecting device
State pressure difference value and be less than the second preset pressure value, then the alarm device signal an alert is controlled, to prompt the compartment close
Feng Buyan.
6. a kind of control method of refrigerator, including：
Detect the compartment internal gas pressure of the refrigerator and the pressure difference value of the babinet ambient outside air pressure of the refrigerator；
And
After the refrigerating plant of the refrigerator is opened, if the pressure difference value is higher than the first preset pressure value, the system is controlled
Device for cooling is stopped.
7. according to the method described in claim 6, the step of adjusting the operating status of the refrigerator according to the pressure difference value is also
Including：
The refrigerating plant of the refrigerator is being opened after the scheduled time, if the pressure difference value is less than the second preset pressure value,
The alarm device signal an alert of the refrigerator is then controlled, to prompt the compartment poorly sealed.
8. the method according to claim 6 or 7, detects the compartment internal gas pressure and the babinet external environment condition gas
The step of pressure difference value of body pressure, further includes：
One end for being connected using the communicating pipe for being arranged at the refrigerator with the compartment and cover the cross section of the communicating pipe
Diaphragm type resistance strain sensor, to the pressure of the compartment internal gas pressure and the babinet ambient outside air pressure
Difference is detected, wherein the communicating pipe is arranged in the door body or the babinet of the refrigerator, with connect the compartment with
And outside the babinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604318.5A CN105222507B (en) | 2015-09-21 | 2015-09-21 | Refrigerator and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604318.5A CN105222507B (en) | 2015-09-21 | 2015-09-21 | Refrigerator and its control method |
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| Publication Number | Publication Date |
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| CN105222507A CN105222507A (en) | 2016-01-06 |
| CN105222507B true CN105222507B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510604318.5A Active CN105222507B (en) | 2015-09-21 | 2015-09-21 | Refrigerator and its control method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017193233A1 (en) * | 2016-05-07 | 2017-11-16 | 康丰生 | Refrigerator with function of door closing prompt |
| US10794629B2 (en) * | 2018-06-29 | 2020-10-06 | Midea Group Co., Ltd. | Negative pressure sensing for an appliance door closure |
| CN108917272B (en) * | 2018-07-19 | 2021-06-22 | 海信（山东）冰箱有限公司 | Defrosting control method and device for refrigerator and refrigerator |
| CN109813050B (en) * | 2018-12-28 | 2023-03-17 | 海尔智家股份有限公司 | Refrigerant leakage detection method and device for refrigerator |
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|---|---|---|---|---|
| KR20010047232A (en) * | 1999-11-18 | 2001-06-15 | 윤종용 | Refrigerator and Control Method Thereof |
| CN101280991A (en) * | 2007-04-05 | 2008-10-08 | 深圳清华大学研究院 | Device and method for automatically regulating refrigerated container body inside and outside air pressure balance |
| CN201398677Y (en) * | 2009-03-31 | 2010-02-10 | 青岛澳柯玛股份有限公司 | Novel cellaret with humidity control and stabilization system |
| CN204494950U (en) * | 2015-02-13 | 2015-07-22 | 合肥美菱股份有限公司 | A kind of pressure balancing structure of direct cooling refrigerator refrigerating chamber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7340916B2 (en) * | 2005-11-17 | 2008-03-11 | Kim Brian S | Pressure equalizing device for refrigerators |
-
2015
- 2015-09-21 CN CN201510604318.5A patent/CN105222507B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010047232A (en) * | 1999-11-18 | 2001-06-15 | 윤종용 | Refrigerator and Control Method Thereof |
| CN101280991A (en) * | 2007-04-05 | 2008-10-08 | 深圳清华大学研究院 | Device and method for automatically regulating refrigerated container body inside and outside air pressure balance |
| CN201398677Y (en) * | 2009-03-31 | 2010-02-10 | 青岛澳柯玛股份有限公司 | Novel cellaret with humidity control and stabilization system |
| CN204494950U (en) * | 2015-02-13 | 2015-07-22 | 合肥美菱股份有限公司 | A kind of pressure balancing structure of direct cooling refrigerator refrigerating chamber |
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| CN105222507A (en) | 2016-01-06 |
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