CN203231607U - Refrigerator with vacuum system - Google Patents
Refrigerator with vacuum system Download PDFInfo
- Publication number
- CN203231607U CN203231607U CN 201220715098 CN201220715098U CN203231607U CN 203231607 U CN203231607 U CN 203231607U CN 201220715098 CN201220715098 CN 201220715098 CN 201220715098 U CN201220715098 U CN 201220715098U CN 203231607 U CN203231607 U CN 203231607U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- measuring
- refrigerator
- container
- refrigerator according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 17
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment
Landscapes
- 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)
Abstract
The utility model provides a refrigerator with a vacuum system, and the refrigerator comprises a refrigerator body with a storage chamber and a vacuum system arranged in the refrigerator body. The vacuum system comprises at least one vacuum container (17) arranged in the storage chamber, a vacuum generating device for vacuumizing the vacuum container (17), a controlling device (14) for controlling vacuumization, and a measuring device for measuring the pressure of the vacuum container (17) and sending a measuring result to the controlling device (14). According to the suggestions of the refrigerator with the vacuum system, the measuring device is fixed on the vacuum container (17).
Description
[ technical field ]
The present invention relates to a refrigerator, and more particularly to a refrigerator having a vacuum system.
[ background art ]
The storage time of food depends on the temperature, humidity and oxygen content of the storage environment, and a low-oxygen and low-bacteria storage environment can prolong the storage time of food, such as a vacuum container used in a refrigerating chamber of a refrigerator.
The prior art discloses the following technical solutions for using a vacuum system in a refrigerator storage compartment. The vacuum system includes a vacuum pump 1A; a motor (not shown) for driving the vacuum pump; a vacuum generating duct 3A; two-position two-way valves 4A as control means for opening and closing the vacuum generating duct 3A. A joint 5A is additionally provided between the vacuum container 7A and the vacuum generating tube 3A. The check valve 8A is provided on the vacuum vessel 7A and serves as an inflator. The on-off of the vacuum generating pipeline 3A is controlled by the switch of the two-position two-way valve 4A. After the vacuum vessel 7A is evacuated, the vacuum vessel is pressurized by means of the two-position two-way valve 4A. In addition, a measuring device 9A for measuring the pressure of the vacuum system, such as a negative pressure sensor as a vacuum sensor, is provided on the vacuum container 7A. This vacuum system sets up measuring device on the pipeline of connecting vacuum vessel and vacuum pump, and the branch road of connection increases and makes the risk of gas leakage increase, and the equipment is also more troublesome, in addition, needs arrange independent space in the storage chamber outside vacuum vessel and place.
[ contents of utility model ]
An object of the utility model is to provide a refrigerator with vacuum system is in order to solve at least one problem that exists among the background art to improve the vacuum performance of refrigerator.
In order to achieve the above object, the present invention provides a refrigerator with a vacuum system, including a box body having a storage chamber and a vacuum system installed in the box body, the vacuum system includes at least one vacuum container accommodated in the storage chamber and a vacuum generating device for vacuumizing the vacuum container, the vacuum system further includes a control device for controlling vacuum extraction and a measuring device for measuring pressure of the vacuum container and sending the measuring result to the control device, the measuring device is fixed on the vacuum container.
The measuring device is arranged on the vacuum container, directly measures the pressure in the vacuum container in real time, and sends the measuring result to the control device, so that the control device can conveniently and timely open or close the vacuum generating device, the purpose of accurately controlling the pressure in the vacuum container is achieved, and the vacuum performance of the refrigerator is improved.
Other features which are, individually or in combination with other features, considered as characteristic for the invention, are set forth in the appended claims.
Optionally, the measuring device is embedded in the side wall of the vacuum container, so as to be convenient to install and use.
Optionally, the measuring device is connected with the control device through a data transmission line, the measuring result is directly transmitted through the data transmission line, the data transmission is stable, the box body of the vacuum container can be made of all-metal materials, and the compression resistance effect of the box body is good.
Optionally, the measuring and monitoring device comprises a wireless signal transmitter, the control device comprises a wireless signal receiver matched with the wireless signal transmitter, and the integrity of the vacuum container can be maintained by using the wireless signal transmitter and the wireless signal receiver to transmit the measuring result of the measuring device, the sealing performance of the vacuum container cannot be reduced due to data transmission, and in addition, the installation is also convenient.
Optionally, the box body of the vacuum container at least comprises a part of wall made of non-metal material, and the wall made of non-metal material is beneficial to transmission of wireless signals because the box body is fully closed.
Optionally, the measuring and monitoring means comprises a sensor for measuring and monitoring the pressure within the vacuum vessel.
Optionally, the vacuum generating device comprises a vacuum pump and a vacuum generating pipeline connecting the vacuum pump and the vacuum container.
Optionally, a check valve is arranged on the vacuum generation pipeline, and the vacuum container is subjected to pressure maintaining by the check valve.
Optionally, the control device comprises a button mounted on the box for activating the vacuum generating device.
The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. Wherein,
fig. 1 is a schematic diagram of a vacuum system in the prior art.
Fig. 2 is a block diagram of a first embodiment of a vacuum system of a refrigerator having the vacuum system according to the present invention.
Fig. 3 is a block diagram of a second embodiment of a vacuum system of a refrigerator having the vacuum system according to the present invention.
[ detailed description of the invention ]
Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments will be described below to explain the present invention by referring to fig. 2 and 3.
The utility model discloses a refrigerator includes refrigeration cycle system, has the box of walk-in and freezer, and this box is equipped with the heat insulator. Since the structures of the refrigerator body, the refrigerating chamber, the freezing chamber and the like belong to the prior art, detailed description about the structures will not be repeated.
A vacuum system is arranged in a box body of the refrigerator, the vacuum system comprises a vacuum container 17 accommodated in a refrigerating chamber of the refrigerator and a vacuum generating device for vacuumizing the vacuum container 17, stored food is placed in the vacuum container 17, the vacuum generating device comprises a vacuum pump 12 and a vacuum generating pipeline 11 for connecting the vacuum pump 12 and the vacuum container 17, a valve 18 for opening and closing the vacuum generating pipeline 11 is arranged on the vacuum generating pipeline 11, the valve 18 is a one-way valve 18, when the vacuum pump 12 operates, the pressure in the vacuum generating pipeline 11 is smaller than the pressure in the vacuum container 17, the valve 18 is opened, and the vacuum container 17 is vacuumized by the vacuum pump 12; when the operation of the vacuum pump 12 is stopped and the pressure in the vacuum generating pipe 11 is greater than or equal to the pressure in the vacuum container 17, the valve 18 is closed and the vacuum container 17 is pressurized by means of the valve 18.
Fig. 2 shows a first embodiment of the present invention, the vacuum system further comprises a control device 14 for controlling vacuum pumping and a measuring device for measuring the pressure of the vacuum container 17 and sending the measurement result to the control device 14, the control device 14 is connected to the vacuum pump 12 to control the opening and closing of the vacuum pump 12.
The measuring device is located on the vacuum vessel 17, and more specifically, the measuring device includes a sensor 16, such as a pressure sensor, for measuring the pressure inside the vacuum vessel 17, and the measuring device may be fixedly disposed on the bottom wall or the side wall of the vacuum vessel 17.
In another embodiment, the measuring device is embedded in the sidewall of the vacuum vessel 17 to facilitate installation and measurement of the pressure inside the vacuum vessel 17. A hole is formed in the side wall of the vacuum vessel 17 and closed by a measuring device, the sensing end of which faces the inside of the vacuum vessel 17, and the output end of which faces the outside of the vacuum vessel 17, and the measurement results are transmitted to the control device 14 through a data transmission line 15 or wireless transmission. In order to prevent air leakage, an element for sealing the hole, such as a rubber cap, a foam rubber, etc., is additionally provided on the vacuum container 17.
The measuring device is connected with the control device 14 through a data transmission line 15, the measuring device transmits the measured pressure on the vacuum container 17 to the control device 14 in real time, the control device 14 judges whether to automatically turn on or turn off the vacuum pump 12, the measuring result is directly transmitted through the data transmission line, the data transmission is stable, the box body of the vacuum container can be made of all-metal materials, and the pressure resistance effect of the box body is good.
In addition, the control device 14 further includes a button mounted on the housing for activating the vacuum generating device, so that the vacuum pump 12 can be manually turned on.
The data transmission line 15 passes through the casing of the vacuum vessel 17 through a hole provided on the vacuum vessel 17, and thus, a sealing member is provided between the data transmission line 15 and the vacuum vessel 17 to prevent air leakage. The sealing element may be silicone or other flexible material that closes a gap that may exist between the data transmission line 15 and the vacuum vessel 17.
Fig. 3 is a second embodiment of the present invention, the measuring device is still fixedly disposed on the vacuum container 17, the measuring device includes a sensor 16 for measuring the pressure inside the vacuum container 17, and further includes a wireless signal transmitter 21, a wireless signal receiver 22 used in cooperation with the wireless signal transmitter 21 is disposed on the control device 14, the data of the pressure inside the vacuum container 17 obtained by the sensor measurement is transmitted through the wireless signal transmitter 21, and is received by the wireless signal receiver 22 and transmitted to the control device 14, and the control device 14 determines whether to automatically turn on or turn off the vacuum pump 12.
In order to avoid shielding of the wireless signal in an all-metal closed environment, at least a portion of the wall of the vacuum vessel 17 is non-metal, for example, the vacuum vessel 17 includes a box and a cover, wherein the cover is made of plastic, or a certain sidewall of the box is made of plastic, so as not to affect data transmission between the wireless signal transmitter 21 and the wireless signal receiver 22.
The first embodiment has an advantage over the second embodiment in that the vacuum vessel 17 can be made of all metal, the strength of the case body required for providing a vacuum environment is maximized, and in addition, data transmission through the data transmission line 15 is reliable and stable; the second embodiment has advantages over the first embodiment in that no holes need to be drilled in the vacuum vessel 17, i.e., there is no possible leakage due to data transmission, and the sealing performance is good, and in addition, no data lines need to be inserted, simplifying the installation process.
Claims (9)
1. A refrigerator having a vacuum system including a cabinet having a storage chamber and a vacuum system installed in the cabinet, the vacuum system comprising: at least one vacuum container (17) housed inside said storage chamber; a vacuum generating device for vacuumizing the vacuum container (17); a control device (14) for controlling the vacuum extraction; measuring means for measuring the pressure of the vacuum vessel (17) and sending the measurement to the control means (14); the method is characterized in that: the measuring device is fixed on the vacuum container (17).
2. The refrigerator according to claim 1, wherein: the measuring device is embedded on the side wall of the vacuum container (17).
3. The refrigerator according to claim 1 or 2, characterized in that: the measuring device is connected to the control device (14) via a data line (15).
4. The refrigerator according to claim 1, wherein: the measuring device comprises a wireless signal transmitter (21), and the control device (14) comprises a wireless signal receiver (22) used with the wireless signal transmitter (21).
5. The refrigerator according to claim 1 or 4, wherein: the casing of the vacuum vessel (17) comprises at least a part of a wall made of a non-metallic material.
6. The refrigerator according to claim 1, wherein: the measuring means comprise a sensor (16) for measuring the pressure in the vacuum vessel (17).
7. The refrigerator according to claim 1, characterized in that: the vacuum generating device comprises a vacuum pump (12) and a vacuum generating pipeline (11) connecting the vacuum pump (12) and the vacuum container (17).
8. The refrigerator according to claim 7, wherein: a one-way valve (18) is arranged on the vacuum generating pipeline (11).
9. The refrigerator according to claim 1, wherein: the control device (14) comprises a key arranged on the box body and used for starting the vacuum generating device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220715098 CN203231607U (en) | 2012-12-20 | 2012-12-20 | Refrigerator with vacuum system |
| EP13198021.1A EP2746702A3 (en) | 2012-12-20 | 2013-12-18 | Refrigerator having vacuum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220715098 CN203231607U (en) | 2012-12-20 | 2012-12-20 | Refrigerator with vacuum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203231607U true CN203231607U (en) | 2013-10-09 |
Family
ID=49287730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220715098 Expired - Lifetime CN203231607U (en) | 2012-12-20 | 2012-12-20 | Refrigerator with vacuum system |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2746702A3 (en) |
| CN (1) | CN203231607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712408A (en) * | 2013-12-31 | 2014-04-09 | 海信容声(广东)冰箱有限公司 | Vacuum preservation system and control method thereof |
| EP2930488A1 (en) * | 2014-04-10 | 2015-10-14 | Nexans | Device for determining the pressure in a vacuum chamber |
| CN105333665A (en) * | 2014-06-04 | 2016-02-17 | 博西华电器（江苏）有限公司 | Household appliance with vacuum system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0437419A3 (en) * | 1990-01-09 | 1991-10-23 | Sm Vacuum Solich & Mayer | Process for storing and keeping food fresh as well as apparatus for carrying out this process |
| IT1252155B (en) * | 1991-12-03 | 1995-06-05 | Whirlpool Italia | PERFECTED REFRIGERATOR, FOR EXAMPLE A DOMESTIC REFRIGERATOR, A FREEZER OR SIMILAR, WITH VACUUM COMPARTMENT |
| JP2001012837A (en) * | 1999-06-29 | 2001-01-19 | Matsushita Refrig Co Ltd | Refrigerator equipped with vacuum cooling device |
| DE10248510A1 (en) * | 2002-10-17 | 2004-04-29 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigerator with an evacuable storage compartment |
| CN2901196Y (en) * | 2006-05-19 | 2007-05-16 | 博西华电器（江苏）有限公司 | Electric refrigerator with vacuum freshness preserving system |
| FR2909165A1 (en) * | 2006-11-28 | 2008-05-30 | Eurocave Sa Sa | Parameter e.g. temperature, controlling device for e.g. wine vaults, has display with receiving unit receiving signal representing parameter value, and box with transmitter transmitting signal according to information provided by sensor |
| US20080134706A1 (en) * | 2006-12-07 | 2008-06-12 | Patrick G. Ellis-Jones | Refrigerator |
| US8052235B2 (en) * | 2007-06-06 | 2011-11-08 | Electrolux Home Products, Inc. | Storage compartment |
| US8281606B2 (en) * | 2008-02-06 | 2012-10-09 | Whirlpool Corporation | Refrigerator vacuum storage system |
| WO2010133479A2 (en) * | 2009-05-22 | 2010-11-25 | Arcelik Anonim Sirketi | A refrigerator comprising a shelf |
| CH704557B1 (en) * | 2012-06-08 | 2021-09-30 | V Zug Ag | Cooling device with vacuum tank. |
-
2012
- 2012-12-20 CN CN 201220715098 patent/CN203231607U/en not_active Expired - Lifetime
-
2013
- 2013-12-18 EP EP13198021.1A patent/EP2746702A3/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712408A (en) * | 2013-12-31 | 2014-04-09 | 海信容声(广东)冰箱有限公司 | Vacuum preservation system and control method thereof |
| CN103712408B (en) * | 2013-12-31 | 2016-01-13 | 海信容声(广东)冰箱有限公司 | A kind of vacuum fresh-keeping system and control method thereof |
| EP2930488A1 (en) * | 2014-04-10 | 2015-10-14 | Nexans | Device for determining the pressure in a vacuum chamber |
| CN105333665A (en) * | 2014-06-04 | 2016-02-17 | 博西华电器（江苏）有限公司 | Household appliance with vacuum system |
| CN105333665B (en) * | 2014-06-04 | 2020-04-14 | 博西华电器（江苏）有限公司 | Household appliance with vacuum system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2746702A2 (en) | 2014-06-25 |
| EP2746702A3 (en) | 2014-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |
|
| CX01 | Expiry of patent term |