CN107192201A - A kind of refrigerator provided with food vacuum fore-cooling room - Google Patents
A kind of refrigerator provided with food vacuum fore-cooling room Download PDFInfo
- Publication number
- CN107192201A CN107192201A CN201710636767.7A CN201710636767A CN107192201A CN 107192201 A CN107192201 A CN 107192201A CN 201710636767 A CN201710636767 A CN 201710636767A CN 107192201 A CN107192201 A CN 107192201A
- Authority
- CN
- China
- Prior art keywords
- refrigerator
- cooling room
- vacuum pre
- vacuum
- room
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 235000013305 food Nutrition 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000000740 bleeding effect Effects 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 7
- 230000008014 freezing Effects 0.000 claims description 7
- 238000010025 steaming Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 2
- 230000000241 respiratory effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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
- F25D31/00—Other cooling or freezing apparatus
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- 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
- F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
- F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
-
- 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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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 invention provides a kind of refrigerator provided with food vacuum fore-cooling room, vacuum pre-cooling room is provided with refrigerator, vacuum pre-cooling room and refrigerator room be relatively independent and sealing；It is provided with compressor bin on vavuum pump, the air inlet of vavuum pump and is connected with pump-line, the pump-line other end is connected with vacuum pre-cooling room, pump-line is provided with check valve；Vacuum pre-cooling is provided with pressure sensor in room, and for detecting the pressure value in vacuum pre-cooling room in real time and feeding back to refrigerator master control borad, air bleeding valve is additionally provided with vacuum pre-cooling room, and top is provided with water vapour coagulator, and the bottom of water vapour coagulator is connected with drainage arrangement.Structure of the present invention is novel, reasonable in design, practical, can substantially reduce the respiratory intensity of food especially fruits and vegetables, extends the shelf-life of food, and reduces the energy consumption of refrigerator.
Description
Technical field
The present invention relates to refrigerator art, more specifically a kind of refrigerator provided with food vacuum fore-cooling room.
Background technology
Refrigerator has turned into the indispensable household electrical appliance of huge numbers of families, also walks the weight put on the dining table from the place of production as fresh food
Want one of link.Therefore, user increasingly payes attention to the fresh-keeping function of refrigerator.Research discovery, reserve temperature and cooling rate pair
The storage influence of fresh food is particularly important.Fresh food gets over the quick near target temperature of energy, more retains beneficial to its quality.
Many times, especially summer, user will purchase the food that takes and be placed directly within refrigerator, because refrigerator internal-external temperature difference is big,
The new food for being put into refrigerator causes refrigerator local temperature to float, it is necessary to consume substantial amounts of cold, the load of freezer compressor also with
Rise.In addition, food has condensed substantial amounts of moisture in temperature-fall period and has caused moisture accumulation on food, in the course of time,
Excessive moisture causes food decay to go bad.
For problem above, refrigerator field needs to seek a kind of technical scheme to solve the cooling rate of fresh food, from
And extend the shelf-life of food, and energy consumption of refrigerator is reduced, meet consumer demand.
The content of the invention
The present invention be for avoid present in above-mentioned prior art not enough there is provided a kind of ice provided with food vacuum fore-cooling room
Case.
To achieve the above object, the present invention is adopted the following technical scheme that：
It is provided with a kind of refrigerator provided with food vacuum fore-cooling room, the refrigerator in multiple compartments, the multiple compartment, position
At least one refrigerator room is provided with upper strata, at least one freezing compartment is provided with positioned at lower floor, the refrigerator body bottom is provided with
Compressor bin, design feature of the invention is：
It is additionally provided with vacuum pre-cooling room, the vacuum pre-cooling room and the refrigerator room be relatively independent and sealing；
It is provided with the compressor bin on vavuum pump, the air inlet of the vavuum pump and is connected with pump-line, the pumping
Pipeline is embedded in refrigerator foaming layer, and the other end is connected with the vacuum pre-cooling room, and the pump-line, which is provided with, to be used to control
Gas is from vacuum pre-cooling room to the check valve of vavuum pump one-way flow；
Pressure sensor is provided with the vacuum pre-cooling room, for detecting the pressure value in vacuum pre-cooling room in real time and anti-
Refrigerator master control borad is fed to, the pressure value and setup pressure value are compared by the refrigerator master control borad, when the pressure value is high
When setup pressure value, the refrigerator master control borad sends order and closes the vavuum pump；
Air bleeding valve is additionally provided with the vacuum pre-cooling room, top is provided with water vapour coagulator, the lower section of the water vapour coagulator
Provided with drainage arrangement, the water condensed for collecting on water vapour coagulator and discharge.
The design feature of the present invention is lain also in：
The water vapour coagulator is evaporator and is connected serially to the end of refrigerator freezing evaporator.
The drainage arrangement is to set on water spilage tray, the water spilage tray to be connected with draining in the lower section of the water vapour coagulator
Pipe, the drainpipe is embedded in refrigerator foaming layer, and the other end is extended to above the drip tray of the compressor bin.
The vacuum pre-cooling room is provided with dodge gate, when the dodge gate is closed, and the vacuum pre-cooling room is sealing state.
The vacuum pre-cooling room is arranged in the refrigerator room.
In multiple compartments of the refrigerator, it is the vacuum pre-cooling room to set one of them independent compartment.
Compared with the prior art, the present invention has the beneficial effect that：
The present invention sets vacuum by being set in refrigerator and refrigerator room is relatively independent and sealed vacuum pre-cooling room
Pump is used to vacuumize vacuum pre-cooling room, in addition, being additionally provided with pressure sensor, air bleeding valve, water vapour coagulator and drainage arrangement, leads to
Cross and vacuum pre-cooling room is vacuumized, the food at room temperature being just put into vacuum pre-cooling room is rapidly down to storage temperature, can
The respiratory intensity of food especially fruits and vegetables is substantially reduced, extends the shelf-life of food, and reduces the energy consumption of refrigerator, knot of the invention
Structure is novel, reasonable in design, practical.
Brief description of the drawings
Fig. 1 is the structural representation of refrigerator of the present invention.
In figure, 1 refrigerator；2 refrigerator rooms；3 freezing compartment；4 compressor bins；5 vacuum pre-cooling rooms；6 vavuum pumps；7 exhaust tubes
Road；8 check valves；9 pressure sensors；10 air bleeding valves；11 water vapour coagulators；12 drainpipes；13 foaming layers；14 drip trays；15 connect
Water box.
Embodiment
Embodiment one：
Referring to Fig. 1, the refrigerator provided with food vacuum fore-cooling room of the present embodiment, wherein, the upper strata of refrigerator 1 is provided with a refrigeration
Compartment 2, lower floor is provided with compressor bin 4 provided with a freezing compartment 3, the bottom half of refrigerator 1.
In the present embodiment, vacuum pre-cooling room 5 is set in refrigerator room 2, and vacuum pre-cooling room 5 is relatively only with refrigerator room 2
Vertical and sealing；
It is provided with compressor bin 4 on vavuum pump 6, the air inlet of vavuum pump 6 and is connected with pump-line 7, pump-line 7 is embedded in
In the foaming layer 13 of refrigerator 1, the other end is connected with vacuum pre-cooling room 5, and pump-line 7, which is provided with, to be used to control gas pre- from vacuum
Check valve 8 from cold house 5 to the one-way flow of vavuum pump 6；
Pressure sensor 9 is provided with vacuum pre-cooling room 5, for detecting the pressure value in vacuum pre-cooling room 5 in real time and anti-
The master control borad of refrigerator 1 is fed to, pressure value is compared by the master control borad of refrigerator 1 with setup pressure value, when pressure value is higher than setting pressure
During value, the master control borad of refrigerator 1 sends order and closes vavuum pump 6；
Air bleeding valve 10 is additionally provided with vacuum pre-cooling room 5, top is provided with water vapour coagulator 11, and the lower section of water vapour coagulator 11 is set
Put and drainpipe 12 is connected with water spilage tray 15, water spilage tray 15, drainpipe 12 is embedded in the foaming layer 13 of refrigerator 1, and the other end is extended to
The top of drip tray 14 of compressor bin 4.
In the present embodiment, as an optional scheme, water vapour coagulator 11 is evaporator and is connected serially to refrigerator freezing steaming
Send out the end of device.
Specifically, vacuum pre-cooling room 5 is provided with dodge gate (not shown), when dodge gate is closed, vacuum pre-cooling room 5 is sealing
State.
The refrigerator provided with food vacuum fore-cooling room of the present embodiment, its concrete operating principle is as follows：
User opens vacuum pre-cooling room 5 and is put into after fresh food, closes vacuum pre-cooling room 5, vavuum pump 6 starts, to vacuum
Fore-cooling room 5 is vacuumized, in the process, and the moisture of food surface and inside evaporates rapidly in a low voltage state, and condenses
On water vapour coagulator 11, drop to and connect under gravity after the water accumulated on water vapour coagulator 11 is reached to a certain degree
In water box 15, drained into by drainpipe 12 in drip tray 14.During vacuumizing, pressure sensor 9 detects vacuum in real time
Pressure value in fore-cooling room 5 simultaneously feeds back to the master control borad of refrigerator 1, and pressure value is compared by the master control borad of refrigerator 1 with setup pressure value,
When pressure value is higher than setup pressure value, the master control borad of refrigerator 1 sends order and closes vavuum pump 6.After after a period of time, user can press
Pressure exhaust valve 10 is opened vacuum pre-cooling room 5 and taken out in food, other regions or the refrigerating chamber that place into refrigerating chamber again, or, after
Continue food storing in the vacuum pre-cooling room 5 in low-pressure state.
Embodiment two：
The refrigerator provided with food vacuum fore-cooling room of the present embodiment, its basic structure is identical with embodiment one, and difference is,
The present embodiment sets one of them independent compartment as vacuum pre-cooling room in multiple compartments of refrigerator.
Claims (6)
1. being provided with a kind of refrigerator provided with food vacuum fore-cooling room, the refrigerator in multiple compartments, the multiple compartment, it is located at
Upper strata is provided with least one refrigerator room, is provided with least one freezing compartment positioned at lower floor, the refrigerator body bottom is provided with pressure
Contracting cabin, it is characterized in that：
It is additionally provided with vacuum pre-cooling room, the vacuum pre-cooling room and the refrigerator room be relatively independent and sealing；
It is provided with the compressor bin on vavuum pump, the air inlet of the vavuum pump and is connected with pump-line, the pump-line
It is embedded in refrigerator foaming layer, the other end is connected with the vacuum pre-cooling room, the pump-line, which is provided with, to be used to control gas
From vacuum pre-cooling room to the check valve of vavuum pump one-way flow；
Pressure sensor is provided with the vacuum pre-cooling room, for detecting the pressure value in vacuum pre-cooling room in real time and feeding back to
The pressure value and setup pressure value are compared by refrigerator master control borad, the refrigerator master control borad, are set when the pressure value is higher than
During level pressure force value, the refrigerator master control borad sends order and closes the vavuum pump；
Air bleeding valve is additionally provided with the vacuum pre-cooling room, top is provided with water vapour coagulator, and the lower section of the water vapour coagulator is provided with
Drainage arrangement, the water condensed for collecting on water vapour coagulator and discharge.
2. the refrigerator according to claim 1 provided with food vacuum fore-cooling room, it is characterized in that：The water vapour coagulator is steaming
Hair device and the end for being connected serially to refrigerator freezing evaporator.
3. the refrigerator according to claim 1 provided with food vacuum fore-cooling room, it is characterized in that：The drainage arrangement is in institute
State and be connected with drainpipe on the lower section setting water spilage tray of water vapour coagulator, the water spilage tray, the drainpipe is embedded in refrigerator foaming
In layer, the other end is extended to above the drip tray of the compressor bin.
4. the refrigerator according to claim 1 provided with food vacuum fore-cooling room, it is characterized in that：Set on the vacuum pre-cooling room
There is dodge gate, when the dodge gate is closed, the vacuum pre-cooling room is sealing state.
5. the refrigerator according to claim 1 provided with food vacuum fore-cooling room, it is characterized in that：The vacuum pre-cooling room is set
In the refrigerator room.
6. the refrigerator according to claim 1 provided with food vacuum fore-cooling room, it is characterized in that：Multiple compartments of the refrigerator
In, it is the vacuum pre-cooling room to set one of them independent compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636767.7A CN107192201A (en) | 2017-07-31 | 2017-07-31 | A kind of refrigerator provided with food vacuum fore-cooling room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636767.7A CN107192201A (en) | 2017-07-31 | 2017-07-31 | A kind of refrigerator provided with food vacuum fore-cooling room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107192201A true CN107192201A (en) | 2017-09-22 |
Family
ID=59884210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710636767.7A Pending CN107192201A (en) | 2017-07-31 | 2017-07-31 | A kind of refrigerator provided with food vacuum fore-cooling room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107192201A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679897A (en) * | 2018-03-29 | 2018-10-19 | 中国农业科学院兰州畜牧与兽药研究所 | Reagent freezing vacuum storage box |
| CN110895084A (en) * | 2019-12-03 | 2020-03-20 | 珠海格力电器股份有限公司 | Refrigerator control method and refrigerator |
| CN111765695A (en) * | 2020-07-01 | 2020-10-13 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| WO2021114957A1 (en) * | 2019-12-12 | 2021-06-17 | 海信（山东）冰箱有限公司 | Refrigerator |
| CN112984906A (en) * | 2019-12-12 | 2021-06-18 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| WO2023039039A1 (en) * | 2021-09-08 | 2023-03-16 | Culinary Sciences, Inc. | Extreme vacuum cooling with adaptive chamber pressure control and added clean air |
| CN117053459A (en) * | 2023-09-21 | 2023-11-14 | 中冷环境科技有限公司 | Efficient energy-saving cooling equipment |
| US12161141B2 (en) | 2022-03-31 | 2024-12-10 | Culinary Sciences, Inc. | Extreme vacuum cooling with adaptive chamber pressure control for food flavor infusion |
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| US20080006041A1 (en) * | 2004-03-01 | 2008-01-10 | Yasutaka Nakata | Refrigerator, Freezer, Storage Container and Cold Storage |
| CN201028926Y (en) * | 2007-04-29 | 2008-02-27 | 合肥美菱股份有限公司 | Vacuum freshness retaining box of refrigerator |
| CN102116553A (en) * | 2009-12-31 | 2011-07-06 | 海尔集团公司 | Refrigerator with temperature varying and/or vacuum preservation system and control method thereof |
| CN202630556U (en) * | 2012-04-28 | 2012-12-26 | 上海理工大学 | Fridge with function of quick cooling |
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| CN207050298U (en) * | 2017-07-31 | 2018-02-27 | 合肥美菱股份有限公司 | A kind of refrigerator provided with food vacuum fore-cooling room |
-
2017
- 2017-07-31 CN CN201710636767.7A patent/CN107192201A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| US20080006041A1 (en) * | 2004-03-01 | 2008-01-10 | Yasutaka Nakata | Refrigerator, Freezer, Storage Container and Cold Storage |
| CN201028926Y (en) * | 2007-04-29 | 2008-02-27 | 合肥美菱股份有限公司 | Vacuum freshness retaining box of refrigerator |
| CN102116553A (en) * | 2009-12-31 | 2011-07-06 | 海尔集团公司 | Refrigerator with temperature varying and/or vacuum preservation system and control method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679897A (en) * | 2018-03-29 | 2018-10-19 | 中国农业科学院兰州畜牧与兽药研究所 | Reagent freezing vacuum storage box |
| CN110895084A (en) * | 2019-12-03 | 2020-03-20 | 珠海格力电器股份有限公司 | Refrigerator control method and refrigerator |
| CN110895084B (en) * | 2019-12-03 | 2021-09-28 | 珠海格力电器股份有限公司 | Refrigerator control method and refrigerator |
| WO2021114957A1 (en) * | 2019-12-12 | 2021-06-17 | 海信（山东）冰箱有限公司 | Refrigerator |
| CN112984906A (en) * | 2019-12-12 | 2021-06-18 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN111765695A (en) * | 2020-07-01 | 2020-10-13 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| WO2023039039A1 (en) * | 2021-09-08 | 2023-03-16 | Culinary Sciences, Inc. | Extreme vacuum cooling with adaptive chamber pressure control and added clean air |
| US11638436B2 (en) | 2021-09-08 | 2023-05-02 | Culinary Sciences, Inc. | Extreme vacuum cooling with adaptive chamber pressure control and added clean air |
| US12053006B2 (en) | 2021-09-08 | 2024-08-06 | Culinary Sciences, nc. | Method and apparatus of extreme vacuum cooling |
| US12161141B2 (en) | 2022-03-31 | 2024-12-10 | Culinary Sciences, Inc. | Extreme vacuum cooling with adaptive chamber pressure control for food flavor infusion |
| CN117053459A (en) * | 2023-09-21 | 2023-11-14 | 中冷环境科技有限公司 | Efficient energy-saving cooling equipment |
| CN117053459B (en) * | 2023-09-21 | 2023-12-08 | 中冷环境科技有限公司 | Efficient energy-saving cooling equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
|
| RJ01 | Rejection of invention patent application after publication |