CN108332493A - A kind of cooling system for double-compressor refrigerator - Google Patents
A kind of cooling system for double-compressor refrigerator Download PDFInfo
- Publication number
- CN108332493A CN108332493A CN201810315526.7A CN201810315526A CN108332493A CN 108332493 A CN108332493 A CN 108332493A CN 201810315526 A CN201810315526 A CN 201810315526A CN 108332493 A CN108332493 A CN 108332493A
- Authority
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- Prior art keywords
- compressor
- lateral wall
- condenser
- inlet channel
- air
- 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.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 19
- 239000000428 dust Substances 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 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
- F25D23/00—General constructional features
- F25D23/003—General constructional features for cooling refrigerating machinery
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)
- Removal Of Water From Condensation And Defrosting (AREA)
Abstract
The invention discloses a kind of cooling systems for double-compressor refrigerator, are related to technical field of refrigeration equipment.Including the first compressor, the second compressor, the first condenser, the second condenser and fan assembly, the first compressor and the second compressor are mounted on the upper surface of compressor bottom board；Compressor bottom board upper surface is fixed with drip tray；Drip tray upper surface is separately installed with fan assembly, the first condenser and the second condenser；Compressor bottom board is mounted on the bottom of refrigerator body；One opposite flank of refrigerator body bottom is respectively arranged with lateral wall wind inlet channel and lateral wall exhaust air flue.The present invention sucks cold wind from air inlet, lateral wall wind inlet channel respectively by fan assembly, the hot wind in compressor warehouse is blown out from air outlet, lateral wall exhaust air flue, form effective wind path cycle, realize the forced heat radiation to compressor and condenser, to substantially improve the working efficiency and condenser heat exchange efficiency of compressor, energy consumption is reduced.
Description
Technical field
The invention belongs to technical field of refrigeration equipment, more particularly to a kind of cooling system for double-compressor refrigerator.
Background technology
Refrigerator mostly uses greatly a compressor, a condenser etc. and constitutes independent refrigeration system currently on the market.For
Big volume refrigerator may cause refrigeration insufficient or the unequal situation of refrigeration using a compressor.And existing double-compressor refrigerator is big
The mode of complete built-in heat dissipation or the combination of interior external heat radiation is mostly used, but built-in heat dissipation capacity is insufficient easily to reduce compressor operating effect
Rate.For the thin-walled refrigerator being increasingly prevailing, refrigerator two side finite thickness should not use built-in condenser；It is freely embeddable formula ice
Case, the spacing that refrigerator both sides are kept with cabinet under embedded state are less than spacing needed for built-in condenser heat dissipation.
The present invention is in place of overcoming above-mentioned the deficiencies in the prior art, to provide a kind of heat dissipation system for double-compressor refrigerator
System achievees the effect that refrigerator two side is thinning and realizes to pressure by using double-compressor and complete external forced heat radiation mode
The forced heat radiation of contracting machine and condenser reduces complete machine to substantially improve the working efficiency and condenser heat exchange efficiency of compressor
Energy consumption.
Invention content
The purpose of the present invention is to provide a kind of cooling systems for double-compressor refrigerator, pass through fan assembly, lateral wall
The effect of wind inlet channel and lateral wall exhaust air flue so that lateral wall wind inlet channel sucks cold wind, by compressor, condenser and wind turbine
Component is blown out from lateral wall exhaust air flue by hot wind, forms effective wind path cycle, and using double-compressor and complete external strong
Radiating mode processed realizes the forced heat radiation to compressor and condenser, to substantially improve working efficiency and the condensation of compressor
Device heat exchange efficiency, reduce energy consumption, solve the problems, such as thin-walled refrigerator and be freely embeddable formula refrigerator use double-compressor.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of cooling system for double-compressor refrigerator, including the first compressor, the second compressor, first
Condenser, the second condenser and fan assembly, first compressor and the second compressor are fixedly mounted on compressor bottom board
Upper surface；The compressor bottom board upper surface is fixedly connected with drip tray；The drip tray upper surface is installed with wind respectively
Thermomechanical components, the first condenser and the second condenser；
The compressor bottom board is fixedly mounted on the bottom of refrigerator body；One opposite flank of the refrigerator body bottom difference
It is provided with lateral wall wind inlet channel and lateral wall exhaust air flue；One surface of refrigerator body bottom is installed with compressor rear cover；
First condenser, the second condenser and fan assembly week side have been fixedly connected with sealing strip；The sealing
The effect of item is to be conducive to the lateral wall wind inlet channel in refrigerator body bottom, compressor bottom board, compressor rear cover and lateral wall outlet air
Closed ventilation air duct is formed between air duct, is conducive to the stabilization of wind cycle, improves heat dissipation effect.
Further, the fan assembly uses axial flow blower；The axial flow blower is by the way of forced heat radiation；It is described
Axial flow blower has that slow ventilation, cooling-down effect is good, specific energy consumption is low, ventilating occasion is easily grasped, is less prone to moisture condensation, conveniently
Flexible advantage；While slow ventilation, dust entering side side wind inlet channel greatly reduced；To greatly slow down ash
The deposition of dirt.
Further, the lateral wall wind inlet channel is rectangular frame structure；The lateral wall wind inlet channel inner surface is fixedly connected
There are a baffles；The cross section of the baffle is parallelogram or isosceles trapezoidal structure；The baffle is in vertical placement and carries on the back
Separate out air port direction；The lateral wall wind inlet channel lateral surface is installed with an Air Filter；The Air Filter is concave structure；Institute
The length for stating Air Filter is bigger 1cm-10cm than the length of lateral wall wind inlet channel；The height of the Air Filter is than lateral wall wind inlet channel
Highly big 1cm-20cm；The thickness of the Air Filter is 1mm-20mm；The area of the Air Filter is more than lateral wall wind inlet channel
Effect is to increase the area of air inlet, just reduces intake velocity relatively so that the dust in wind cycle is easy to be attached to Air Filter
And baffle；And Air Filter is screwed mounted on lateral wall wind inlet channel lateral surface, is readily disassembled cleaning, and when baffle is transversal
When face is isosceles trapezoidal structure, Convenient mopping cloth wiping has the advantages that slow down dust deposit and dust easy to clean；It is described dust-proof
The effect that the thickness of net is smaller is to avoid thickness is larger from causing inconvenient influence.
Further, the lateral wall exhaust air flue is rectangular frame structure；The lateral wall exhaust air flue inner surface is uniformly arranged
There is wind deflector；The wind deflector of the lateral wall exhaust air flue is upward in horizontal positioned and direction.
Further, rectangular array has air inlet and air outlet respectively on one surface of compressor rear cover；The air inlet
Be oriented horizontal and deviate from air outlet direction；The air outlet is oriented straight up.
Further, the double-compressor refrigerator in a kind of cooling system for double-compressor refrigerator of the invention includes two
Refrigeration system is covered, it includes a compressor, a condenser, a capillary and an evaporator etc. often to cover the refrigeration system
Component.
The invention has the advantages that：
1, the present invention is realized by using double-compressor and complete external forced heat radiation mode to double-compressor, condenser
Forced heat radiation, have it is simple in structure at low cost, can meet thin-walled, built-in refrigerator use double-compressor the advantages of.
2, the present invention uses the effect of axial flow blower by fan assembly, is forced to the compressor and condenser of both sides
Heat dissipation, reasonable structural arrangement effectively improve compressor operating efficiency and condenser heat exchange efficiency.
3, the air inlet and air outlet of lateral wall wind inlet channel of the present invention and lateral wall exhaust air flue and compressor rear cover closes
The air guide structure of reason design inlet and outlet, makes air inlet/outlet separate and avoids path short circuit, improve radiating efficiency.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of cooling system for double-compressor refrigerator of the present invention；
Fig. 2 be refrigerator body, lateral wall exhaust air flue and compressor rear cover structural schematic diagram；
Fig. 3 is the structure right view of Fig. 1；
Fig. 4 is the structural schematic diagram of lateral wall wind inlet channel；
Fig. 5 is the structural schematic diagram of Air Filter；
In attached drawing, parts list represented by the reference numerals are as follows：
1- refrigerator bodies, 2- fan assemblies, 3- lateral wall wind inlet channels, 4- lateral wall exhaust air flues, 5- compressor bottom boards, 6- connect
Water pond, the first compressors of 7-, the second compressors of 8-, the first condensers of 9-, the second condensers of 10-, 11- compressor rear covers, 12- are close
Strip of paper used for sealing, 301- baffles, 302- Air Filters, 401- wind deflectors, 1101- air inlets, 1102- air outlets.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " trepanning ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the position relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
It please refers to Fig.1 shown in -5, the present invention is a kind of cooling system for double-compressor refrigerator, including the first compressor
7, the second compressor 8, the first condenser 9, the second condenser 10 and fan assembly 2, it is characterised in that：First compressor 7 and
Two compressors 8 are fixedly mounted on the upper surface of compressor bottom board 5；5 upper surface of compressor bottom board is fixedly connected with drip tray 6；It connects
6 upper surface of water pond is installed with fan assembly 2, the first condenser 9 and the second condenser 10 respectively；
Compressor bottom board 5 is fixedly mounted on the bottom of refrigerator body 1；1 bottom of refrigerator body, one opposite flank is respectively set
There are lateral wall wind inlet channel 3 and lateral wall exhaust air flue 4；1 bottom of refrigerator body, one surface is installed with compressor rear cover 11；
2 weeks first condenser 9, the second condenser 10 and fan assembly sides have been fixedly connected with sealing strip 12；Sealing strip
12 effect is to be conducive to the lateral wall wind inlet channel 3 in 1 bottom of refrigerator body, compressor bottom board 5, compressor rear cover 11 and side
Closed ventilation air duct is formed between side exhaust air flue 4, is conducive to the stabilization of wind cycle, improves heat dissipation effect.
Wherein, fan assembly 2 uses axial flow blower；Axial flow blower carries out forcing to dissipate to the compressor and condenser of both sides
Heat；Axial flow blower have slow ventilation, cooling-down effect is good, specific energy consumption is low, ventilating occasion is easily grasped, be less prone to moisture condensation,
Convenient, flexible advantage；While slow ventilation, dust entering side side wind inlet channel 3 greatly reduced；To greatly subtract
The deposition of dust is delayed.
Wherein as in Figure 3-5, lateral wall wind inlet channel 3 is rectangular frame structure；3 inner surface of lateral wall wind inlet channel is fixedly connected
There are a baffles 301；The cross section of baffle 301 is parallelogram or isosceles trapezoidal structure；Baffle 301 is in vertical placement and carries on the back
Separate out 1102 direction of air port；3 lateral surface of lateral wall wind inlet channel is installed with an Air Filter 302；Air Filter 302 is concave knot
Structure；The length of Air Filter 302 is bigger 1cm-10cm than the length of lateral wall wind inlet channel 3；The height of Air Filter 302 enters the wind wind than lateral wall
The big 1cm-20cm of height in road 3；The thickness of Air Filter 302 is 1mm-20mm；The area of Air Filter 302 is more than lateral wall wind inlet channel
3 effect is to increase the area of air inlet, just reduces intake velocity relatively so that the dust in wind cycle is easy to be attached to anti-
Dirt net 302 and baffle 301；And Air Filter 302 is screwed mounted on 3 lateral surface of lateral wall wind inlet channel, is readily disassembled clear
It washes, and when baffle cross section is isosceles trapezoidal structure, Convenient mopping cloth wiping has and slows down dust deposit and dust easy to clean
The advantages of；The effect that the thickness of Air Filter 302 is smaller is to avoid thickness is larger from causing inconvenient influence.
Wherein as shown in Figure 1, lateral wall exhaust air flue 4 is rectangular frame structure；4 inner surface of lateral wall exhaust air flue is evenly arranged with
Wind deflector 401；The wind deflector 401 of lateral wall exhaust air flue 4 is upward in horizontal positioned and direction.
Wherein as shown in Fig. 2, rectangular array has air inlet 1101 and air outlet 1102 respectively on compressor rear cover 11 1 surface；
Air inlet 1101 is oriented horizontal and deviates from 1102 direction of air outlet；Air outlet 1102 is oriented straight up.
Preferably, the first compressor 7 of double-compressor and the second compressor 8 are located at compressor bottom board in the present embodiment
One opposite sides of 5 upper surfaces；First condenser 9 and the second condenser 10 are located at the one opposite two of 6 upper surface of drip tray
Side；Fan assembly 2 is located at the centre position of 6 upper surface of drip tray, which is the optimal arrangement mode of heat dissipation effect.
Preferably, the first compressor 7 of double-compressor and the second compressor 8 can also be located side by side on compressor bottom board 5
The side of the close lateral wall exhaust air flue 4 on surface；First condenser 9 and the second condenser 10 are located at 6 upper surface of drip tray
An opposite sides or be located side by side at 6 upper surface of drip tray close lateral wall wind inlet channel 3 side；Fan assembly 2, which is located at, to be connect
The other side of 6 upper surface of water pond.
Preferably, the arrangement mode of drip tray 6, the first compressor 7 and the second compressor 8 in 5 upper surface of compressor bottom board
Maximum thermal effect can be directed to, maximize the effects that energy saving, be combined into a variety of different arrangement modes；First condensation
The arrangement mode of device 9, the second condenser 10 and fan assembly 2 in 6 upper surface of drip tray can be directed to maximum thermal effect, most
Change the effects that energy saving greatly, is combined into a variety of different arrangement modes.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of cooling system for double-compressor refrigerator, including the first compressor (7), the second compressor (8), the first condensation
Device (9), the second condenser (10) and fan assembly (2), it is characterised in that：First compressor (7) and the second compressor (8)
It is fixedly mounted on the upper surface of compressor bottom board (5)；Compressor bottom board (5) upper surface is fixedly connected with drip tray (6)；Institute
It states drip tray (6) upper surface and is installed with fan assembly (2), the first condenser (9) and the second condenser (10) respectively；
The compressor bottom board (5) is fixedly mounted on the bottom of refrigerator body (1)；One opposite side of refrigerator body (1) bottom
Face is respectively arranged with lateral wall wind inlet channel (3) and lateral wall exhaust air flue (4)；Peace is fixed on one surface of refrigerator body (1) bottom
Equipped with compressor rear cover (11)；
The all sides of first condenser (9), the second condenser (10) and fan assembly (2) have been fixedly connected with sealing strip
(12)。
2. a kind of cooling system for double-compressor refrigerator according to claim 1, which is characterized in that the blower fan group
Part (2) uses axial flow blower；The axial flow blower is by the way of forced heat radiation.
3. a kind of cooling system for double-compressor refrigerator according to claim 1, which is characterized in that the lateral wall into
Wind air duct (3) is rectangular frame structure；Lateral wall wind inlet channel (3) inner surface is fixedly connected with a baffles (301)；The gear
The cross section of plate (301) is parallelogram or isosceles trapezoidal structure；The baffle (301) is placed and in vertical away from air outlet
(1102) direction；Lateral wall wind inlet channel (3) lateral surface is installed with an Air Filter (302)；The Air Filter (302) is
Concave structure；The length of the Air Filter (302) is bigger 1cm-10cm than the length of lateral wall wind inlet channel (3)；The Air Filter
(302) height is bigger 1cm-20cm than the height of lateral wall wind inlet channel (3)；The thickness of the Air Filter (302) is 1mm-20mm.
4. a kind of cooling system for double-compressor refrigerator according to claim 1, which is characterized in that the lateral wall goes out
Wind air duct (4) is rectangular frame structure；Lateral wall exhaust air flue (4) inner surface is evenly arranged with wind deflector (401)；It is described
Wind deflector (401) is upward in horizontal positioned and direction.
5. a kind of cooling system for double-compressor refrigerator according to claim 1, which is characterized in that the compressor
Rectangular array has air inlet (1101) and air outlet (1102) respectively on rear cover (11) one surface；The direction of the air inlet (1101)
For level and deviate from air outlet (1102) direction；Air outlet (1102) are oriented straight up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810315526.7A CN108332493A (en) | 2018-04-10 | 2018-04-10 | A kind of cooling system for double-compressor refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810315526.7A CN108332493A (en) | 2018-04-10 | 2018-04-10 | A kind of cooling system for double-compressor refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108332493A true CN108332493A (en) | 2018-07-27 |
Family
ID=62932931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810315526.7A Pending CN108332493A (en) | 2018-04-10 | 2018-04-10 | A kind of cooling system for double-compressor refrigerator |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487001A (en) * | 2019-09-11 | 2019-11-22 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN112665282A (en) * | 2021-01-15 | 2021-04-16 | 长虹美菱股份有限公司 | Condensation heat radiation structure |
| CN113154765A (en) * | 2021-04-29 | 2021-07-23 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN113639513A (en) * | 2021-08-17 | 2021-11-12 | 长虹美菱股份有限公司 | Water pan structure and refrigerator with same |
| CN113701437A (en) * | 2021-09-07 | 2021-11-26 | 长虹美菱股份有限公司 | Small-size compressor cavity structure |
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| CN102889738A (en) * | 2011-07-20 | 2013-01-23 | Lg电子株式会社 | Refrigerator |
| CN102967104A (en) * | 2011-08-31 | 2013-03-13 | 三星电子株式会社 | Refrigerator and method for controlling the same |
| WO2014201892A1 (en) * | 2013-06-17 | 2014-12-24 | 海尔集团公司 | Refrigerator |
| CN105928299A (en) * | 2016-04-29 | 2016-09-07 | 合肥华凌股份有限公司 | Refrigerator |
| CN208139668U (en) * | 2018-04-10 | 2018-11-23 | 长虹美菱股份有限公司 | A kind of cooling system for double-compressor refrigerator |
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2018
- 2018-04-10 CN CN201810315526.7A patent/CN108332493A/en active Pending
Patent Citations (6)
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| CN102889738A (en) * | 2011-07-20 | 2013-01-23 | Lg电子株式会社 | Refrigerator |
| CN102967104A (en) * | 2011-08-31 | 2013-03-13 | 三星电子株式会社 | Refrigerator and method for controlling the same |
| WO2014201892A1 (en) * | 2013-06-17 | 2014-12-24 | 海尔集团公司 | Refrigerator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487001A (en) * | 2019-09-11 | 2019-11-22 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN112665282A (en) * | 2021-01-15 | 2021-04-16 | 长虹美菱股份有限公司 | Condensation heat radiation structure |
| CN113154765A (en) * | 2021-04-29 | 2021-07-23 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN113639513A (en) * | 2021-08-17 | 2021-11-12 | 长虹美菱股份有限公司 | Water pan structure and refrigerator with same |
| CN113639513B (en) * | 2021-08-17 | 2022-08-12 | 长虹美菱股份有限公司 | Water pan structure and refrigerator with same |
| CN113701437A (en) * | 2021-09-07 | 2021-11-26 | 长虹美菱股份有限公司 | Small-size compressor cavity structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230000 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Applicant after: CHANGHONG MEILING Co.,Ltd. Address before: 230000 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Applicant before: HEFEI MEILING Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |
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| RJ01 | Rejection of invention patent application after publication |