CN101957119A - Electric refrigerator with vacuum refreshing system and vacuum refreshing box - Google Patents
Electric refrigerator with vacuum refreshing system and vacuum refreshing box Download PDFInfo
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- CN101957119A CN101957119A CN2009101744978A CN200910174497A CN101957119A CN 101957119 A CN101957119 A CN 101957119A CN 2009101744978 A CN2009101744978 A CN 2009101744978A CN 200910174497 A CN200910174497 A CN 200910174497A CN 101957119 A CN101957119 A CN 101957119A
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- vacuum
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Abstract
The invention relates to an electric refrigerator with a vacuum refreshing system and a vacuum refreshing box. The vacuum refreshing box comprises a box body and a cover. According to the proposals of the invention, the vacuum refreshing box also comprises a vacuumizing device, a vacuum release device and an opening device. When the opening device is operated to open the cover on the box body, the opening device also can drive the vacuum release device at the same time; and therefore, the vacuum refreshing box can be subjected to vacuum release when opened, which is convenient for users to operate.
Description
[technical field]
The present invention relates to a kind of refrigerator, refer in particular to and a kind ofly have the refrigerator of vacuum fresh-keeping system and be used for for example vacuum crisper of refrigerator of refrigerating plant.
[background technology]
As everyone knows, food can the long period under refrigeration or freezing low temperature storage, the length of food storage time not only is subjected to the influence of temperature and humidity, also be subjected to factor affecting such as the oxygen content of food storage environmental air and bacterium, for the time that food is preserved longer, people are desirable to provide the food storage environment of a hypoxemia, low bacterium, as vacuum crisper.
European patent EP 0405680A2 has disclosed the vacuum crisper in a kind of refrigerating chamber that is arranged on refrigerator, as shown in Figure 1, this vacuum crisper comprises that a box body 17 and one are connected to openable lid 19 on the box body, rear side at box body is provided with a suction nozzle 25, this suction nozzle aligns with interface 27 on the cold storage chamber of refrigerator rear wall, close and vavuum pump when starting when door of refrigerator 12, this suction nozzle and interface are closely drawn together, and vacuum crisper is evacuated; When door of refrigerator 12 was opened, because door 12 links together with box body 18, suction nozzle 25 was dragged away from interface 27, and vacuum crisper is inflated automatically by suction nozzle 25.The defective of this design is: if open door of refrigerator 12, then vacuum crisper necessarily is inflated release, and the user does not have other selection, if the user only wants to open refrigerator doors and do not want to discharge vacuum crisper, then this design can not reach requirement.
Chinese patent ZL03245813.4 has disclosed the vacuum fresh-keeping system in the another kind of refrigerating chamber that is arranged on refrigerator, and as shown in Figure 2, the vacuum crisper and the door of refrigerator of this vacuum fresh-keeping system are separate, overcome the defective of European patent EP 0405680A2.But its design defect is: the inflation ball valve of this vacuum crisper is arranged in the capping, and the user needs the at first inside and outside air pressure of twisting inflation ball valve balance vacuum box if will open vacuum box, just can open capping then; Promptly opening vacuum box needs two steps, and this design is not easy to operator's use.And comprise in this vacuum fresh-keeping system that two are connected to the vacuum crisper that the different branches of pipeline are extracted in control, do not extract the device of pipeline break-make owing to there is special control, refrigerator can't be realized separately one in two vacuum crispers being vacuumized, when the duty of pumped vacuum systems occurs when unusual, existing design can't in time reflect this unusual.
[summary of the invention]
The object of the present invention is to provide a kind of refrigerator with vacuum fresh-keeping system, this refrigerator can be realized the long period storage of food and be convenient to user's operation.
Another object of the present invention is to provide a kind of control to have the method for the refrigerator of vacuum fresh-keeping system.
For achieving the above object, the refrigerator with vacuum fresh-keeping system of one embodiment of the present invention comprises the casing with refrigerating chamber and is placed in vacuum fresh-keeping system in the casing, this vacuum fresh-keeping system has at least one and is contained in the interior vacuum crisper of refrigerating chamber, to the draw-out device that this vacuum crisper vacuumizes, the control device of control vacuum drawn and the checkout gear that detects this vacuum fresh-keeping system duty.
As a further improvement on the present invention, described draw-out device comprises vavuum pump, the extraction pipeline that is connected with vavuum pump, and be installed in the joint that extraction pipeline one end docks with vacuum crisper; Described control device comprises the valving of control extraction pipeline break-make and the button that is installed in the startup vacuum fresh-keeping system on the casing; Described checkout gear comprises vacuum induction device and the warning device when vacuum fresh-keeping system abnormal work state that is installed in detection system vacuum in the draw-out device.
A kind of control method of one embodiment of the present invention with refrigerator of vacuum fresh-keeping system, this vacuum fresh-keeping system comprises at least one vacuum crisper and the draw-out device that this vacuum crisper is vacuumized, it is characterized in that this control method may further comprise the steps:
The control device of a control vacuum drawn is provided;
A checkout gear that detects the vacuum fresh-keeping system duty is provided;
Control device sends this draw-out device of instruction startup to begin this vacuum crisper is vacuumized;
The vacuum of checkout gear detection system;
Control device is according to the operating condition of the signal deciding draw-out device of checkout gear feedback.
As a further improvement on the present invention, described control device comprises step by step following according to the step of the operating condition of the signal deciding draw-out device of checkout gear feedback:
After draw-out device running one period scheduled time, if checkout gear detects the vacuum no change of system, the alarm signal when then control device sends vacuum fresh-keeping system abnormal work state, and stop the work of draw-out device simultaneously;
After draw-out device turns round one period scheduled time, if detecting the vacuum of system, checkout gear reaches predeterminated level, then control device stops the work of draw-out device.
As a further improvement on the present invention, described vacuum crisper is used to have the refrigerating plant of vacuum fresh-keeping system, as household electric refrigerator, this vacuum crisper comprises a box body, the lid that can be installed to the place of moving on the box body, a device that vacuumizes, a device that discharges vacuum, and an opening device, operation opening device with lid when box body is opened, this opening device also drives the device of this release vacuum, makes the inside and outside pressure balance of vacuum crisper.
As a further improvement on the present invention, this opening device is a movable handle, and when box body was opened, the pressure that the device of this release vacuum is subjected to handle was released operating handle with lid; The device of this release vacuum can be a check valve, and this check valve is installed on the lid and is positioned at the below of this handle.
As a further improvement on the present invention, this device that vacuumizes is a check valve that is positioned at vacuum crisper one end, this opening device is positioned at another opposite end of vacuum crisper, and the device that vacuumizes is installed on one of lid or box body, and opening device is installed on one of lid or box body.
The beneficial effect of refrigerator of the present invention is: 1. the vacuum fresh-keeping system in the refrigerator has increased the storage time of food; 2. the control method of the refrigerator of vacuum fresh-keeping system can truly reflect the duty of pumped vacuum systems; 3. the vacuum crisper of vacuum fresh-keeping system can be released vacuum when opening, and is convenient to user's operation.
[Brief Description Of Drawings]
Fig. 1 is a kind of existing schematic diagram with refrigerator of vacuum fresh-keeping system;
Fig. 2 is another kind of existing schematic diagram with refrigerator of vacuum fresh-keeping system;
Fig. 3 is the schematic diagram of the refrigerator vacuum fresh-keeping system of one embodiment of the present invention;
Fig. 4 is the schematic diagram of the refrigerator vacuum fresh-keeping system of another embodiment of the present invention;
Fig. 5 is the control method schematic diagram of the refrigerator of the present invention with vacuum fresh-keeping system;
Fig. 6 is the control method flow chart of the refrigerator of the present invention with vacuum fresh-keeping system;
Fig. 7 is the three-dimensional combination figure of the vacuum crisper of the refrigerator of the present invention with vacuum fresh-keeping system;
Fig. 8 is the three-dimensional exploded view of the vacuum crisper of the refrigerator of the present invention with vacuum fresh-keeping system;
Fig. 9 is the fragmentary cross-sectional view of inflation check valve and handle on the vacuum crisper shown in Figure 7.
[specific embodiment]
Referring to Fig. 3, disclosed the schematic diagram of the vacuum fresh-keeping system in the refrigerator of one embodiment of the present invention, this refrigerator is a kind of existing household electric refrigerator by the cooling cycle system refrigeration, it comprises a casing with refrigerating chamber and refrigerating chamber, casing is filled the foaming layer of heat-insulating material and wraps up, because structures such as the casing of refrigerator, refrigerating chamber belong to prior art, do not repeat them here.
Referring to Fig. 3, this vacuum fresh-keeping system comprises vavuum pump 1A, drive the motor (not indicating among the figure) of vavuum pump, extract pipeline 3A, extract two 2/2-way valve 4A of the control device of pipeline 3A break-make as control, joint 5A between vacuum crisper 7A and the extraction pipeline 3A is arranged on the last check valve 8A as aerating device of vacuum crisper 7A.Control the break-make that extracts pipeline by the switch of 2/2-way valve 4A, after vacuum crisper 7A is evacuated, rely on 2/2-way valve 4A that vacuum box is carried out pressurize.In addition, a checkout gear 9A who detects vacuum is set on vacuum crisper 7A, as negative-pressure vacuum sensor, to detect the vacuum of vacuum box as the vacuum induction device.
Referring to Fig. 4, vacuum fresh-keeping system in the refrigerator of another embodiment of the invention comprises vavuum pump 1B, drive the motor 2B of vavuum pump, extract pipeline 3B, extract a three-position four-way valve 4B of the control device of pipeline 3B break-make as control, joint 5B is arranged on vacuum crisper 7B and goes up as the check valve 6B of air extractor with as the check valve 8B of aerating device.Control the break-make that extracts pipeline by the switch of three-position four-way valve 4B, after vacuum crisper 7B is evacuated, rely on three-position four-way valve 4B that vacuum box is carried out pressurize.Be provided with a checkout gear 9B who detects vacuum in the porch of vavuum pump 1B, as a negative vacuum pressure sensor with continuous process amount as the vacuum induction device.
Referring to Fig. 5, the control system of the vacuum fresh-keeping system of refrigerator of the present invention comprises checkout gear, control device, and draw-out device.Wherein this checkout gear can be the checkout gear 9A of the detection vacuum that is provided with on vacuum crisper 7A, or the checkout gear 9B of the detection vacuum that is provided with in the porch of vavuum pump 1B, warning device when this checkout gear also is included in vacuum system abnormal work state, this warning device can be a buzzer, it also can be LED light, warning device can be arranged on refrigerator the door body outer surface on, also can be arranged on the inwall of refrigerating chamber; Described control device comprises two 2/2-way valve 4A that control the control device that extracts pipeline 3A break-make or a three-position four-way valve 4B who controls the control device that extracts pipeline 3B break-make, the button that also comprises the startup vacuum fresh-keeping system that is installed on the casing, this button can be arranged on refrigerator the door body outer surface on, also can be arranged on the inwall of refrigerating chamber; Described draw-out device then comprises vavuum pump 1A, 1B, drives motor 2A, the 2B of vavuum pump, extracts pipeline 3A, 3B, joint 5A, 5B etc.
Referring to Fig. 6, the control method of the vacuum fresh-keeping system of refrigerator of the present invention may further comprise the steps:
Step 1: the user begins vacuum crisper is vacuumized by the button startup draw-out device of operation control system;
Step 2: checkout gear begins to detect the variation of vacuum in the vacuum fresh-keeping system;
Step 3: change if checkout gear detects the vacuum of system, then control device makes the draw-out device continuous service, and checkout gear continues to detect the situation of change of vacuum in the vacuum insurance system, when the vacuum of system reaches predetermined value, control device sends control signal makes draw-out device out of service, and vacuumizing of vacuum fresh-keeping system finishes;
Step 4: do not change if checkout gear detects the vacuum of system, then control device makes draw-out device continuous service preset time (about two minutes), if checkout gear detects the vacuum no change still in the vacuum fresh-keeping system after the scheduled time, then control device sends control signal and makes draw-out device out of service, and sends the alarm signal of vacuum fresh-keeping system misoperation simultaneously by warning device.
After vacuum crisper 1A, the 1B of vacuum fresh-keeping system were evacuated, the vacuum state of this vacuum crisper 1A, 1B can keep the quite a long time; The user also can the manual release vacuum crisper vacuum state, Fig. 7 to Fig. 9 has disclosed the vacuum crisper that a kind of user of being convenient to opens.
Referring to Fig. 7 to Fig. 9, the vacuum crisper of one embodiment of the present invention comprises a box body 1, a lid 2, be installed in the handle 5 and the inflation check valve 4 that is positioned at handle 5 belows of lid 2 one ends, be positioned at the snap close piece 6 of lid 2 another opposite ends and the check valve 3 of bleeding, wherein handle 5 and snap close piece 6 link together box body 1 and lid 2.In the present embodiment, inflation check valve 4 is the devices that discharge vacuum, and it is positioned in the recess 22 on lid 2 one ends by prelocalization piece 7, and the check valve 3 of bleeding is the devices that vacuumize, and it is positioned in the recess 20 on lid 2 other ends by back locating piece 8.In other embodiments of the present invention, the device that discharges vacuum and the device that vacuumizes also can be other element such as switching devices etc., as long as this device can be realized bleeding or charge operation to vacuum crisper on predetermined direction.
The check valve 3 of bleeding comprises connector portions 30, connecting portion 31 and spool 32, and wherein connector portions 30 can be docked with the joint of outside extracting vacuum pipeline, and connecting portion 31 docks with interface 200 in the recess 20, and spool 32 is inserted in the connecting portion 31.Inflation check valve 3 was opened when spool 32 was stressed, and the air of vacuum crisper inside is drawn out of by the pipeline of interface 200 from extracting vacuum.Back locating piece 8 is arranged on the top of connecting portion 31, offers the connecting hole at two intervals on it, by this connecting hole back locating piece 8 is fixed in the recess 20 of lid 2.Snap close piece 6 one ends are connected in the recess 20, and the other end snaps on the edge of box body 1, thereby the end of box body 1 with lid 2 snapped into; The end that trip lock fastener 6 is connected on the box body 1 can unload snap close piece 6 from vacuum crisper.
Inflation check valve 4 comprises cantilever portion 40, connecting portion 41 and spool 42; During assembling, an end of arm 40 is inserted into spool 42, and spool 42 is inserted in the connecting portion 41 again.Connecting portion 41 docks with interface 220 in the recess 22, and prelocalization piece 7 is arranged on the top of connecting portion 41, offers the connecting hole at two intervals on it, by this connecting hole prelocalization piece 7 is fixed in the recess 22 of lid 2.Handle 5 movably be connected on the edge of recess 22 and relatively lid 2 rotate, handle 5 comprises and roughly bends the rectangular handle portion 51 and the portion 50 that exerts pressure, the portion 50 that wherein exerts pressure is positioned at cantilever portion 40 tops of inflation check valve 4, and the protuberance on the handle portion 51 500 is corresponding with the recess 400 on the cantilever portion 40.The lower end of handle portion 51 can fasten with the edge of box body 1 one ends.
During vacuum crisper after unlatching is evacuated, the handle portion 51 of pulling handle 5 makes the edge rotation of handle 5 beginnings around lid 2, exert pressure this moment portion 50 is stressed and pressure is passed to the cantilever portion 40 of inflation check valve 4 by protuberance 500, cantilever portion 40 stressed ends are moved downward and the part of cantilever portion 40 in spool 42 is upturned, open the interface 220 in the recess 22 that is sealed by spool 42, air outside is entered in the vacuum crisper by interface 220, the external and internal pressure of balance vacuum crisper is opened lid 2 thereby be convenient to further pulling handle from box body 1.
Compared with prior art, the action of the present invention by pulling handle 5 can realize inflation and the unlatching to vacuum crisper simultaneously, simplified operating procedure, made things convenient for operator's use, and the position of unidirectional charge valve 4 is hidden, makes the overall appearance of vacuum crisper more succinctly attractive in appearance.
In the present embodiment, the check valve 3 of bleeding all is arranged on the lid 2 with the check valve 4 of bleeding, in other embodiments, the device that vacuumizes also can all be arranged on the box body 1 with the device that discharges vacuum, perhaps one is arranged on the box body, another is arranged on the lid, all can realize purpose of the present invention.
Claims (18)
1. refrigerator with vacuum fresh-keeping system, it comprises the casing with refrigerating chamber and is placed in vacuum fresh-keeping system in the casing, this vacuum fresh-keeping system has at least one and is contained in vacuum crisper in the refrigerating chamber and the draw-out device that this vacuum crisper is vacuumized, and this vacuum fresh-keeping system also comprises the control device of controlling vacuum drawn and the checkout gear that detects this vacuum fresh-keeping system duty; Described vacuum crisper comprises box body and lid, and described lid is provided with extraction valve that docks with draw-out device and the charge valve that discharges vacuum state; Described vacuum crisper also comprises the handle that lid is opened from box body, and when this handle of operation was opened vacuum crisper, this handle drove the charge valve of this release vacuum state simultaneously.
2. refrigerator as claimed in claim 1 is characterized in that described draw-out device comprises vavuum pump, the extraction pipeline that is connected with vavuum pump, and be installed in the joint that extraction pipeline one end docks with vacuum crisper.
3. refrigerator as claimed in claim 2 is characterized in that, described control device comprises the valving of control extraction pipeline break-make, and the button that starts vacuum fresh-keeping system.
4. refrigerator as claimed in claim 3 is characterized in that, described valving is arranged on and extracts ducted 2/2-way valve, or three-position four-way valve.
5. refrigerator as claimed in claim 3 is characterized in that, described button is arranged on the inwall of described refrigerating chamber, perhaps be arranged on described refrigerator the door body outer surface on.
6. refrigerator as claimed in claim 1 is characterized in that, described checkout gear comprises the vacuum induction device that is used for detection system vacuum.
7. refrigerator as claimed in claim 6 is characterized in that, described vacuum induction device comprises the vacuum transducer that is arranged on the vacuum crisper.
8. refrigerator as claimed in claim 6 is characterized in that described draw-out device comprises vavuum pump, and described vacuum induction device comprises the vacuum transducer of the porch that is arranged on described vavuum pump.
9. as above any described refrigerator of claim, it is characterized in that the warning device when described checkout gear also is included in vacuum fresh-keeping system abnormal work state.
10. vacuum crisper, be used to have the refrigerating plant of vacuum fresh-keeping system, as household electric refrigerator, this vacuum crisper comprises box body, lid, it is characterized in that, also comprise the device that vacuumizes, discharge the device of vacuum, and opening device, when box body was opened, this opening device also drove the device of this release vacuum to the operation opening device simultaneously with lid.
11. vacuum crisper as claimed in claim 10 is characterized in that, this opening device comprises a movable handle, and when box body was opened, the pressure that the device of this release vacuum is subjected to handle was released operating handle with lid.
12. vacuum crisper as claimed in claim 11 is characterized in that, the device of this release vacuum is an inflation check valve.
13. vacuum crisper as claimed in claim 12 is characterized in that, described inflation check valve is arranged in the recess on the lid.
14., it is characterized in that this handle movably is connected on the lid as claim 12 or 13 described vacuum crispers, this check valve is installed on the lid and is positioned at the below of this handle.
15. vacuum crisper as claimed in claim 14 is characterized in that, described inflation check valve comprises connecting portion, is inserted into the spool in the connecting portion, and an end is inserted into the cantilever portion in the spool; Wherein cantilever portion contacts with handle, the stressed inflation one-way valve opens of spool.
16. vacuum crisper as claimed in claim 15 is characterized in that, comprises that also will inflate check valve for one is positioned at locating piece in the recess.
17. vacuum crisper as claimed in claim 10 is characterized in that, this device that vacuumizes comprises a check valve of bleeding that is positioned at box body one end.
18. vacuum crisper as claimed in claim 17 is characterized in that, the check valve of bleeding comprises connector portions, connecting portion, and spool; Wherein connector portions can be docked with the joint that pipeline is extracted in the outside, the spool one-way valve opens of bleeding when stressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910174497 CN101957119B (en) | 2006-08-18 | 2006-08-18 | Electric refrigerator with vacuum refreshing system and vacuum refreshing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910174497 CN101957119B (en) | 2006-08-18 | 2006-08-18 | Electric refrigerator with vacuum refreshing system and vacuum refreshing box |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610041376A Division CN100582612C (en) | 2006-08-18 | 2006-08-18 | Refrigerator with vacuum fresh-keeping system and controlling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101957119A true CN101957119A (en) | 2011-01-26 |
| CN101957119B CN101957119B (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910174497 Active CN101957119B (en) | 2006-08-18 | 2006-08-18 | Electric refrigerator with vacuum refreshing system and vacuum refreshing box |
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| CN (1) | CN101957119B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398524A (en) * | 2013-08-07 | 2013-11-20 | 合肥美菱股份有限公司 | Method for controlling vacuum system capable of automatically compensating pressure |
| CN104528174A (en) * | 2014-12-10 | 2015-04-22 | 四川长虹电器股份有限公司 | Movable preservation box |
| CN109984565A (en) * | 2018-01-02 | 2019-07-09 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and its vacuum reserve fresh-keeping control method |
| CN111780486A (en) * | 2020-07-06 | 2020-10-16 | 卢建强 | Vacuum box for refrigerator |
| WO2021217779A1 (en) * | 2020-04-26 | 2021-11-04 | 海信（山东）冰箱有限公司 | Refrigerator |
| CN113932544A (en) * | 2020-07-13 | 2022-01-14 | 青岛海尔电冰箱有限公司 | Vacuum storage device and refrigerator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295971Y (en) * | 1997-05-05 | 1998-10-28 | 回世昌 | Vacuum preserving box for electric refrigerator |
| CN2407298Y (en) * | 2000-01-25 | 2000-11-22 | 朱杰 | Vacuum preservative refrigerator |
| CN2624137Y (en) * | 2003-05-14 | 2004-07-07 | 河南新飞电器有限公司 | Vacuum fresh-keeping refrigerator |
| DE202005004130U1 (en) * | 2005-03-11 | 2005-06-02 | Cofresco Frischhalteprodukte Gmbh & Co. Kg | Food container with a lower part and with a lid |
-
2006
- 2006-08-18 CN CN 200910174497 patent/CN101957119B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398524A (en) * | 2013-08-07 | 2013-11-20 | 合肥美菱股份有限公司 | Method for controlling vacuum system capable of automatically compensating pressure |
| CN104528174A (en) * | 2014-12-10 | 2015-04-22 | 四川长虹电器股份有限公司 | Movable preservation box |
| CN109984565A (en) * | 2018-01-02 | 2019-07-09 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and its vacuum reserve fresh-keeping control method |
| CN109984565B (en) * | 2018-01-02 | 2021-09-21 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and vacuum reservation fresh-keeping control method thereof |
| WO2021217779A1 (en) * | 2020-04-26 | 2021-11-04 | 海信（山东）冰箱有限公司 | Refrigerator |
| CN111780486A (en) * | 2020-07-06 | 2020-10-16 | 卢建强 | Vacuum box for refrigerator |
| CN113932544A (en) * | 2020-07-13 | 2022-01-14 | 青岛海尔电冰箱有限公司 | Vacuum storage device and refrigerator |
| WO2022012266A1 (en) * | 2020-07-13 | 2022-01-20 | 重庆海尔制冷电器有限公司 | Vacuum storage device and refrigerator |
| CN113932544B (en) * | 2020-07-13 | 2023-07-14 | 青岛海尔电冰箱有限公司 | Vacuum storage device and refrigerator |
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| CN101957119B (en) | 2013-03-06 |
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