CN209131224U - A kind of vacuum freshness retaining refrigerator - Google Patents
A kind of vacuum freshness retaining refrigerator Download PDFInfo
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- CN209131224U CN209131224U CN201821737747.5U CN201821737747U CN209131224U CN 209131224 U CN209131224 U CN 209131224U CN 201821737747 U CN201821737747 U CN 201821737747U CN 209131224 U CN209131224 U CN 209131224U
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- chamber
- vacuum
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- chamber door
- freezing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
A kind of vacuum freshness retaining refrigerator, including cabinet, refrigeration system, pumped vacuum systems and chamber disappear pressure device, cabinet includes box body wall, the chamber of chamber door and box house, box body wall and chamber door enclose the chamber of box house, chamber includes the vacuum chamber on upper layer and the freezing chamber of lower layer, vacuum chamber and freezing chamber are all connected with refrigeration system, vacuum chamber is also connected with pumped vacuum systems, chamber disappear pressure device connection pumped vacuum systems, refrigeration system includes electronic thermostat and refrigeration compressor, the thermometric contact of electronic thermostat is assemblied in vacuum chamber, electronic thermostat is electrically connected refrigeration compressor.The utility model vacuum sealing, efficient moisture-retention are fresh-keeping, efficiency is good, automatic adjustment, low energy consumption.
Description
Technical field
The utility model relates to refrigerator, specially a kind of vacuum freshness retaining refrigerator.
Background technique
The frost temperature value of conventional refrigerator is only used for freezing, after not having fresh-keeping function, fresh meat to be frozen into ice food
Its nutrient, pigment and moisture can all be detached from organizer, then as the ice water of defrosting is lost；Refrigeration temperature value is the breeding of bacterium
Area only has 2-4 days to the shelf-life of fruits and vegetables and prepared food.In addition, lack the setting without freeze injury low temperature can also reduce fresh-keeping quality and
Fresh-keeping timeliness.Therefore, modern refrigerator cannot only meet refrigeration effect in design, it is also necessary to meet people to fresh-keeping quality and
The demand of fresh-keeping timeliness, while to comprehensively consider the refrigeration efficiency of refrigerator.
Utility model content
In view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of realization vacuum sealings, height
Effect moisturizing is fresh-keeping, efficiency is good, automatic adjustment, the vacuum freshness retaining refrigerator that low energy consumption.
To achieve the goals above, the technical scheme adopted by the utility model is
A kind of vacuum freshness retaining refrigerator, including cabinet, refrigeration system, pumped vacuum systems and chamber disappear pressure device, and cabinet includes
The chamber of box body wall, chamber door and box house, box body wall and chamber door enclose the chamber of box house, and chamber includes the true of upper layer
The freezing chamber of empty room and lower layer, vacuum chamber and freezing chamber are all connected with refrigeration system, and vacuum chamber is also connected with pumped vacuum systems, and chamber disappears
Pressure device connects pumped vacuum systems, and refrigeration system includes electronic thermostat and refrigeration compressor, the thermometric contact of electronic thermostat
It is assemblied in vacuum chamber, electronic thermostat is electrically connected refrigeration compressor.
Box body wall from outside to inside successively include shell, thermal insulation layer and chamber liner, chamber liner include vacuum chamber liner and
Freezing chamber liner.
Chamber door include cooperate vacuum chamber vacuum chamber chamber door and cooperate freezing chamber freezing chamber chamber door, vacuum chamber chamber door from outside to
It inside successively include vacuum chamber chamber door shell, thermal insulation layer and vacuum chamber chamber door liner, freezing chamber chamber door successively includes cold from outside to inside
Freeze chamber door shell, thermal insulation layer and freezing chamber chamber door liner.
The mouth of vacuum chamber liner is cutting edge, and vacuum chamber chamber door liner is provided with one of outer channel, and outer channel is equipped with chamber door
Sealing strip, the chamber door sealing strip of vacuum chamber and the cutting edge of vacuum chamber liner cooperatively form pressure sealing structure.
The mouth of freezing chamber liner is cutting edge, and freezing chamber chamber door liner is both provided with one of outer channel, and outer channel is equipped with case
Door weather strip, the chamber door sealing strip of freezing chamber and the cutting edge of freezing chamber liner cooperatively form pressure sealing structure.
Vacuum chamber chamber door liner is provided with one of internal channel, and the internal channel of vacuum chamber chamber door liner is equipped with permanent magnetic strip.
Refrigeration system includes evaporator, and evaporator is equipped in vacuum chamber and freezing chamber, and the evaporator setting of freezing chamber exists
Inside freezing chamber, the evaporator of vacuum chamber is symmetricly set on the left and right outside of vacuum chamber liner.
Pumped vacuum systems includes the first evacuation tube, the second evacuation tube, vacuum pump and vacuum controller, and vacuum pump, first are taken out
Blank pipe, vacuum controller, the second evacuation tube and vacuum chamber) it is sequentially connected.
Pumped vacuum systems further includes vacuum pressure switch, and vacuum pressure switch is assemblied on vacuum controller, vacuum pressure
Switch is electrically connected and controls vacuum pump, and vacuum pressure switch detects the vacuum degree in vacuum controller, and vacuum controller, second are taken out
Blank pipe and vacuum chamber.
The chamber pressure device that disappears includes time switch, disappears and press control circuit and the pressure electromagnetic valve that disappears, and time switch is voltage-controlled by disappearing
Circuit control processed disappears pressure electromagnetic valve, and the pressure electromagnetic valve that disappears is assemblied on vacuum controller.
The disappear circuit of pressure device of refrigeration system, pumped vacuum systems and chamber concentrates on motor plate.
Refrigerator is equipped with terminal box, and the input power cord of 220V is respectively turned on the electronic thermostat of refrigeration system by terminal box
With the variable-voltage power supply of pumped vacuum systems.
Variable-voltage power supply is respectively turned on disappear pressure electromagnetic valve and vacuum pressure switch, vacuum pressure switch with the 24V circuit exported
Control circuit is connected into vacuum pump.
Compared with prior art, the utility model has the beneficial effects that so that chamber is realized vacuum close for door structure design
Envelope；The three layers of drawers of vacuum chamber realize that efficient moisture-retention is fresh-keeping by corresponding closed state, make the fresh-keeping quality of meat and fruits and vegetables
It is fine with fresh-keeping timeliness；The evaporator of freezing chamber is set to inside chamber, and refrigeration is made to obtain best efficiency, and the evaporator of vacuum chamber is set
Setting makes in chamber temperature value more evenly；By the temperature value data of electronic thermostat real-time monitoring and regulation internal vacuum chamber, to ensure
Optimum state is in refrigerator；Energy consumption of refrigerator is low, and average power consumption reduces by 40% than the modern refrigerator of co-content.
Detailed description of the invention
Fig. 1 is the side the schematic diagram of the section structure of the utility model one embodiment；
Fig. 2 is the outside drawing of the utility model one embodiment；
Fig. 3 is the chamber layout of the utility model one embodiment；
Fig. 4 is that the vacuum chamber chamber door of the utility model one embodiment seals figure；
Fig. 5 is the electromechanical work schematic diagram of the utility model one embodiment；
Fig. 6 is the vacuum controller structural schematic diagram of the utility model one embodiment.
Appended drawing reference
1, decorative panel is pushed up；2, vacuum chamber；3, condenser；4, thermal insulation layer；5, the second evacuation tube；6, freezing chamber；7, electromechanical plate；
8, shell；9, cold chamber drawer；10, evaporator；11, vacuum chamber drawer；12, vacuum chamber partition；13, vacuum chamber liner；14, cold
Freeze chamber door；15, vacuum chamber chamber door；16, time switch；17, chamber door shell；18, vacuum chamber chamber door liner；19, chamber door seals
Item；20, permanent magnetic strip；21, refrigeration compressor；22, vacuum pump；23, variable-voltage power supply；24, terminal box；25, input power cord；26,
Disappear and presses control circuit；27, disappear pressure electromagnetic valve；28, vacuum pressure switch；29, vacuum controller, the 30, first evacuation tube, 31, electricity
Sub- temperature controller.
Specific embodiment
Vacuum freshness retaining refrigerator provided by the utility model is made further to illustrate in detail, completely below with reference to embodiment.
The embodiments described below is exemplary, and is only used for explaining the utility model, and should not be understood as the limit to the utility model
System.
A kind of vacuum freshness retaining refrigerator, including cabinet, refrigeration system, pumped vacuum systems and chamber disappear pressure device.
As shown in Figures 1 to 4, cabinet includes the chamber of box body wall, chamber door and box house.Box body wall is from outside to inside successively
Including shell 8, thermal insulation layer 4 and chamber liner, top of the box is top decorative panel 1.Setting can be opened/be closed to chamber door, box body wall and
Chamber door encloses the chamber of box house.Chamber includes the vacuum chamber 2 on upper layer and the freezing chamber 6 of lower layer, and vacuum chamber 2 includes from upper
Two layers of the vacuum chamber partition 12 and three layers of vacuum chamber drawer 11 being arranged successively under, freezing chamber 6 include three layers of cold chamber drawer 9.
Chamber door includes the freezing chamber chamber door 14 of the vacuum chamber chamber door 15 and lower layer positioned at upper layer, and vacuum chamber chamber door 15 is used to open vacuum chamber
2, freezing chamber chamber door 14 is used to open freezing chamber 6.Chamber liner includes vacuum chamber liner 13 and freezing chamber liner, vacuum chamber liner
13 are located on the cabinet wall of vacuum chamber 2, and freezing chamber liner is located on the cabinet wall of freezing chamber 6.Vacuum chamber chamber door 15 is from outer
To it is interior successively include vacuum chamber chamber door shell 17, thermal insulation layer 4 and vacuum chamber chamber door liner 18, freezing chamber chamber door 14 from outside to inside according to
Secondary includes freezing chamber chamber door shell, thermal insulation layer 4 and freezing chamber chamber door liner.The mouth of vacuum chamber liner 13 and the mouth of freezing chamber liner
Be Cutting Edge Design, vacuum chamber chamber door liner 18 be both provided with freezing chamber chamber door liner together with outer channel internal channel with together with,
Outer channel is equipped with chamber door sealing strip 19.The chamber door sealing strip 19 of vacuum chamber 2 and the cutting edge of vacuum chamber liner 13 cooperatively form pressure
Power sealing structure, the chamber door sealing strip 19 of freezing chamber 6 and the cutting edge of freezing chamber liner cooperatively form pressure sealing structure.Vacuum chamber
The internal channel of chamber door liner 18 and freezing chamber chamber door liner is each equipped with permanent magnetic strip 20, and the cutting edge of respectively vacuum chamber chamber door 15 is close
The sealing of the cutting edge of envelope and freezing chamber chamber door 14 provides specified initial pressure, and such structure design realizes vacuum chamber 2 and freezing chamber 6
Vacuum sealing.Vacuum chamber liner 13, freezing chamber liner, vacuum chamber chamber door liner 18 and freezing chamber chamber door liner are all stainless steel
Plate is through mold compression moulding.The three layers of drawers of vacuum chamber 2 by corresponding closed state realize efficient moisture-retention it is fresh-keeping, make meat and
The fresh-keeping quality and fresh-keeping timeliness of fruits and vegetables are fine.Shell 8, chamber door shell 17, the material and technique of chamber liner and thermal insulation layer 4 are equal
For the mature technology of modern refrigerator, vacuum chamber liner 13 implements reinforcing rib design because negative pressure needs.
Refrigeration system includes evaporator 10, condenser 3, refrigeration compressor 21 and electronic thermostat 31.The evaporation of freezing chamber 6
Device 10 is arranged inside freezing chamber 6 to obtain best efficiency, and the evaporator of vacuum chamber 2 is symmetricly set on vacuum chamber liner 13
Left and right outside, to realize the evening ratio of 2 temperature value of vacuum chamber.It is evaporated in the area of evaporator 10 and freezing chamber 6 in vacuum chamber 2
The area of device 10 is different, the disengagement area setting principle of the two evaporator 10 are as follows: make vacuum chamber 2 and freezing chamber 6 while reaching not
Same set temperature.I.e. the temperature of vacuum chamber 2 and freezing chamber 6 is corresponding.The inner face of cabinet rear casing is arranged in condenser 3,
Pass through rear casing heat conduction and heat radiation.Refrigeration is technique using direct-cooling type technology.The thermometric contact of electronic thermostat 31 is arranged in vacuum
In room 2, electronic thermostat 31 is electrically connected refrigeration compressor 21 by control circuit, and electronic thermostat 31 monitors the temperature of vacuum chamber 2
Degree and the stopping and starting that refrigeration compressor 21 is controlled according to the temperature value of setting.According to the temperature pair of vacuum chamber 2 and freezing chamber 6
It should be related to, obtain the temperature of vacuum chamber 2, the temperature of freezing chamber 6 will also realize that dawn.
Pumped vacuum systems is as shown in Figure 5 and Figure 6, including the first evacuation tube 30, the second evacuation tube 5, vacuum pump 22, vacuum pressure
Power switch 28 and vacuum controller 29.Vacuum pump 22 connects vacuum controller 29,5 both ends of the second evacuation tube through the first evacuation tube 30
It is respectively communicated with vacuum controller 29 and vacuum chamber 2, i.e. vacuum pump 22, the first evacuation tube 30, vacuum controller 29, the second evacuation tube
5 and vacuum chamber 2 be sequentially connected.Vacuum controller 29, the second evacuation tube 5 are connected to vacuum chamber 2, so their vacuum degree phase
Together.The upper surface of vacuum controller 29 is equipped with vacuum pressure switch 28, and vacuum pressure switch 28 is electrically connected vacuum pump 22, vacuum
Pressure switch 28 detects vacuum degree, and the vacuum degree control of vacuum degree and setting by detecting controls the starting of vacuum pump 22
And stopping.Vacuum pressure switch 28 detects the vacuum degree in vacuum controller 29, the as vacuum degree of vacuum chamber 2.
Chamber disappear pressure device include disappear press control circuit 26, disappear pressure electromagnetic valve 27 and time switch 16.Disappear pressure electromagnetic valve 27
It is assemblied in the side end face of vacuum controller 29.Time switch 16 disappears and presses control circuit 26 and the pressure electromagnetic valve 27 that disappears is sequentially connected, i.e.,
Time switch 16 is electrically connected and controls opening or closing for the pressure electromagnetic valve 27 that disappears: when the pressure electromagnetic valve 27 that disappears is closed, vacuum controller
29 are not connected to external environment；The pressure electromagnetic valve 27 that disappears open when, vacuum controller 29 is connected to external environment, external environment, very
Empty controller 29, the second evacuation tube 5 and vacuum chamber 2 are sequentially communicated, and negative pressure is eliminated in vacuum chamber 2.
The disappear circuit of pressure device of refrigeration system, pumped vacuum systems and chamber concentrates on electromechanical plate 7, and terminal box 24 is by 220V
Input power cord 25 be respectively turned on the electronic thermostat 31 of refrigeration system and the variable-voltage power supply 23 of pumped vacuum systems.Electronic temperature control
Device 31 is electrically connected refrigeration compressor 21, controls stopping for compressor 21 according to the setting lower limit of 2 temperature value of vacuum chamber and the setting upper limit
Machine and starting.Variable-voltage power supply 23 is respectively turned on disappear pressure electromagnetic valve 27 and vacuum pressure switch 28, vacuum pressure with the 24V circuit of output
Power switch 28 is electrically connected and controls vacuum pump 22, the control circuit according to the setting upper limit of 2 vacuum degree of vacuum chamber and setting lower limit
The disconnection and closure of contact.Time switch 16 is provided in the control circuit for disappearing pressure electromagnetic valve 27, for the door Shi Qidong that unpacks
The pressure electromagnetic valve 27 that disappears eliminates 2 negative pressure of vacuum chamber.
Since freezing chamber 6 does not have fresh-keeping function to food, it is only used for ice making and ice storage, setting temperature value only needs subzero 6 to take the photograph
Family name's degree, and volume is freezed again smaller than general refrigerator, therefore freezing energy consumption is effectively reduced.Vacuum chamber 2 is quick because vacuum environment
Cooling and adiabatic condition can be such that energy consumption for cooling significantly reduces, and evacuating rated power is 30 watts.The evacuated time of switch chamber door every time
It is 2.5 minutes, 1 kwh was enough with 60 days, and the average power consumption of this product reduces by 40% than the modern refrigerator of co-content, in vacuum
The design of the suction strength of gallbladder and vacuum chamber door has 100% safety coefficient.
The working principle of the utility model vacuum freshness retaining refrigerator is as follows:
When vacuum freshness retaining refrigerator closes chamber door, the setting magnetic force of permanent magnetic strip 20 can make chamber door sealing strip 19 and chamber liner
Cutting edge sealing is formed, when energized, it is same to freezing chamber 6 and vacuum chamber 2 that electronic thermostat 31 electrically activates refrigeration compressor 21
Step refrigeration, while electronic thermostat 31 starts thermometric contact to the Temperature-control Monitoring of vacuum chamber 2, when vacuum chamber is cooled to+1 degree Celsius
When, the power-off of electronic thermostat 31 stops refrigeration compressor 21, and 6 temperature value of lower layer's freezing chamber is about -6 degrees Celsius at this time, works as vacuum chamber
When temperature value goes back up to+3 degrees Celsius, electronic thermostat 31 is re-energised starting refrigeration compressor 21.Vacuum pressure switch 28 obtains electric
Starting vacuum pump 22 is synchronous with vacuum chamber 2 to vacuum controller 29 afterwards evacuates, and supervises in real time to the vacuum degree of vacuum controller 29
It surveys.When the vacuum degree of vacuum controller 29 and vacuum chamber 2 is extracted into upper limit set value, the power-off of vacuum pressure switch 28 stops vacuum
Pump 22, when the vacuum degree of vacuum chamber 2 and vacuum controller 29 drops into lower limit set value, vacuum pressure switch 28 is re-energised
Start vacuum pump 22.When vacuum chamber 2 needs enabling to take object or storage food, presses time switch 16 and start the pressure electromagnetic valve that disappears
The elimination of 15 pressure of vacuum chamber chamber door, which can open the door, after 27,4-6 seconds takes object or storage, within the time that vacuum chamber 2 presses off door clearly, very
Empty pressure switch 28 is still powered to vacuum pump 22 by working procedure, and starting vacuumizes work, makes air and vacuum in vacuum chamber 2
The outer air in room 2 carries out circulation exchange.
Be it is necessary to described herein finally: above embodiments are served only for making the technical solution of the utility model further
It explains in detail, should not be understood as the limitation to scope of protection of the utility model, those skilled in the art is practical new according to this
Some nonessential modifications and adaptations that the above content of type is made belong to the protection scope of the utility model.
Claims (10)
1. a kind of vacuum freshness retaining refrigerator, which is characterized in that disappear pressure device including cabinet, refrigeration system, pumped vacuum systems and chamber,
Cabinet includes the chamber of box body wall, chamber door and box house, and box body wall and chamber door enclose the chamber of box house, and chamber includes
The vacuum chamber (2) on upper layer and the freezing chamber (6) of lower layer, vacuum chamber (2) and freezing chamber (6) are all connected with refrigeration system, vacuum chamber (2)
It is also connected with pumped vacuum systems, chamber disappears pressure device connection pumped vacuum systems, and refrigeration system includes electronic thermostat (31) and refrigeration
Compressor (21), the thermometric contact of electronic thermostat (31) are assemblied in vacuum chamber (2), electronic thermostat (31) electrical connection refrigeration pressure
Contracting machine (21).
2. vacuum freshness retaining refrigerator according to claim 1, it is characterised in that: box body wall successively includes shell from outside to inside
(8), thermal insulation layer (4) and chamber liner, chamber liner include vacuum chamber liner (13) and freezing chamber liner.
3. vacuum freshness retaining refrigerator according to claim 2, it is characterised in that: chamber door includes the vacuum of cooperation vacuum chamber (2)
Chamber door (15) and the freezing chamber chamber door (14) for cooperating freezing chamber (6), vacuum chamber chamber door (15) successively include vacuum from outside to inside
Chamber door shell (17), thermal insulation layer (4) and vacuum chamber chamber door liner (18), freezing chamber chamber door (14) successively include cold from outside to inside
Freeze chamber door shell, thermal insulation layer (4) and freezing chamber chamber door liner.
4. vacuum freshness retaining refrigerator according to claim 3, it is characterised in that: the mouth of vacuum chamber liner (13) is cutting edge, very
Empty room chamber door liner (18) is provided with one of outer channel, and outer channel is equipped with chamber door sealing strip (19), and the chamber door of vacuum chamber (2) is close
Strip of paper used for sealing (19) and the cutting edge of vacuum chamber liner (13) cooperatively form pressure sealing structure.
5. vacuum freshness retaining refrigerator according to claim 3, it is characterised in that: the mouth of freezing chamber liner is cutting edge, freezing chamber
Chamber door liner is both provided with one of outer channel, and outer channel is equipped with chamber door sealing strip (19), the chamber door sealing strip of freezing chamber (6)
(19) pressure sealing structure is cooperatively formed with the cutting edge of freezing chamber liner.
6. vacuum freshness retaining refrigerator according to claim 4, it is characterised in that: vacuum chamber chamber door liner (18) is provided with together
Internal channel, the internal channel of vacuum chamber chamber door liner (18) are equipped with permanent magnetic strip (20).
7. vacuum freshness retaining refrigerator according to claim 2, it is characterised in that: refrigeration system includes evaporator (10), vacuum
It being equipped with evaporator (10) in room (2) and freezing chamber (6), evaporator (10) setting of freezing chamber (6) is internal in freezing chamber (6),
The evaporator of vacuum chamber (2) is symmetricly set on the left and right outside of vacuum chamber liner (13).
8. vacuum freshness retaining refrigerator according to claim 1, it is characterised in that: pumped vacuum systems includes the first evacuation tube
(30), the second evacuation tube (5), vacuum pump (22) and vacuum controller (29), vacuum pump (22), the first evacuation tube (30), vacuum
Controller (29), the second evacuation tube (5) and vacuum chamber (2) are sequentially connected.
9. vacuum freshness retaining refrigerator according to claim 8, it is characterised in that: pumped vacuum systems further includes vacuum pressure switch
(28), vacuum pressure switch (28) is assemblied on vacuum controller (29), and vacuum pressure switch (28) is electrically connected and controls vacuum
It pumps (22), vacuum pressure switch (28) detects the vacuum degree in vacuum controller (29), vacuum controller (29), the second evacuation tube
(5) it is connected to vacuum chamber (2).
10. vacuum freshness retaining refrigerator according to claim 8, it is characterised in that: the chamber pressure device that disappears includes time switch
(16), disappear and press control circuit (26) and the pressure electromagnetic valve that disappears (27), time switch (16) presses control circuit (26) control to disappear by disappearing
Pressure electromagnetic valve (27), the pressure electromagnetic valve that disappears (27) are assemblied on vacuum controller (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737747.5U CN209131224U (en) | 2018-10-25 | 2018-10-25 | A kind of vacuum freshness retaining refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737747.5U CN209131224U (en) | 2018-10-25 | 2018-10-25 | A kind of vacuum freshness retaining refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209131224U true CN209131224U (en) | 2019-07-19 |
Family
ID=67232661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821737747.5U Active CN209131224U (en) | 2018-10-25 | 2018-10-25 | A kind of vacuum freshness retaining refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209131224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829262A (en) * | 2020-07-30 | 2020-10-27 | 宣昌黎 | Vacuum air-conditioning fresh-keeping refrigerator |
-
2018
- 2018-10-25 CN CN201821737747.5U patent/CN209131224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829262A (en) * | 2020-07-30 | 2020-10-27 | 宣昌黎 | Vacuum air-conditioning fresh-keeping refrigerator |
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