CN106885387A - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
- Publication number
- CN106885387A CN106885387A CN201510946345.0A CN201510946345A CN106885387A CN 106885387 A CN106885387 A CN 106885387A CN 201510946345 A CN201510946345 A CN 201510946345A CN 106885387 A CN106885387 A CN 106885387A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- expansion valve
- pipeline
- air
- compressor
- 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
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides a kind of air-conditioning system, including：One compressor, compressor has one first compression chamber and one second compression chamber, and the exhaust outlet of compressor is sequentially connected in series a condenser, one first electric expansion valve and a flash evaporation；One first pipeline, the first end of the first pipeline connects the exhaust outlet of flash evaporation, and the second end connects the first compression chamber of compressor, and the first pipeline includes one second expansion valve, one first evaporator and one first reservoir that are sequentially connected in series；And one second pipeline, the first end of the second pipeline connects the leakage fluid dram of flash evaporation, second end connects the second compression chamber of compressor, second pipeline includes one the 3rd expansion valve, one second evaporator and one second reservoir that are sequentially connected in series, the evaporating temperature of the evaporating temperature higher than the second evaporator of the first evaporator.The present invention can make one of evaporator maintain evaporating temperature operating higher for a long time, can improve the heating energy efficiency ratio of system overall operation.
Description
Technical field
It is more particularly to a kind of that there are two air-conditioning systems of evaporating temperature the present invention relates to a kind of air-conditioning system
System.
Background technology
At present, indoor remaining wet using the exclusion of wet air condensation dehumanization method, evaporator surface temperature needs low
In the dew-point temperature of room air, it is considered to which heat transfer temperature difference conveys the temperature difference with medium, as realized 16.6 DEG C
Dew-point temperature needs less than about 7 DEG C of evaporating temperature.Often in order to reach the purpose of dehumidifying, reduce as far as possible
Evaporating temperature, for compressor, pressure ratio increase enters power increase, runs uneconomical.Meanwhile, system
In order to reach dehumidifying purpose relatively low evaporating temperature, make indoor leaving air temp relatively low, human body comfort compared with
Difference.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of air-conditioning system, overcome
The difficulty of prior art, can suitably adjust two evaporating temperatures according to the change of indoor load, make it
In evaporator maintain evaporating temperature operating higher for a long time, the system of system overall operation can be improved
Hot Energy Efficiency Ratio.
According to an aspect of the present invention, there is provided a kind of air-conditioning system, including：
One compressor, the compressor has one first compression chamber and one second compression chamber, the compressor
Exhaust outlet be sequentially connected in series a condenser, one first electric expansion valve and a flash evaporation, first electricity
Sub- expansion valve carries out first time throttling to refrigerant, and the flash evaporation has an exhaust outlet and a leakage fluid dram；
One first pipeline, the first end of first pipeline connects the exhaust outlet of the flash evaporation, the second end
The first compression chamber of the compressor is connected, first pipeline includes one second expansion being sequentially connected in series
Valve, one first evaporator and one first reservoir, second expansion valve is to the system in first pipeline
Cryogen carries out second throttling；And
One second pipeline, the first end of second pipeline connects the leakage fluid dram of the flash evaporation, the second end
The second compression chamber of the compressor is connected, second pipeline includes one the 3rd expansion being sequentially connected in series
Valve, one second evaporator and one second reservoir, the 3rd expansion valve is to the system in second pipeline
Cryogen carries out second throttling, the steaming of the evaporating temperature higher than second evaporator of first evaporator
Hair temperature.
Preferably, in sensible heat load, second evaporator operation is in latent heat for first evaporator operation
Load.
Preferably, refrigerant sequentially passes through second expansion valve, the first evaporator in first pipeline
With the first reservoir.
Preferably, refrigerant sequentially passes through the 3rd expansion valve, one second evaporation in second pipeline
Device and one second reservoir.
Preferably, also including one first fan, the air channel of first fan is by the condenser.
Preferably, also it is co-located at including an indoor set, first evaporator and second evaporator
The indoor set.
Preferably, also including one second fan, the air channel of second fan first passes through first evaporation
Device, after by second evaporator.
Preferably, also including a sensible heat indoor set and a latent heat indoor set, first evaporator is located at institute
Sensible heat indoor set is stated, second evaporator is located at the latent heat indoor set.
Preferably, also including one second fan and a three fan, the air channel of second fan is by institute
The first evaporator is stated, the air channel of the three fan is by second evaporator.
Preferably, the compressor, condenser, the first electric expansion valve, flash evaporation, the 3rd expansion valve,
Second reservoir, the 3rd expansion valve, one second reservoir are located outside；First evaporator and second
Evaporator is located at interior.
Condensator outlet, into flash evaporation, is separated into two-way by two after once throttling in the present invention
Secondary throttling, into different evaporators, realizes different evaporating temperatures；The refrigerant of evaporator outlet point
Not Jin Ru double suction gas, the SSLC compressors of double reservoirs, be circulated.
Due to having used above technology, air-conditioning system of the invention to set two evaporators by indoor,
Different evaporating temperatures are respectively provided with, dehumidifying, the purpose of cooling is reached.The leaving air temp of indoor is moderate,
Comfortableness is improved.Two evaporator outlet refrigerants of different evaporating pressures, respectively enter double suction gas, double
The compressor of reservoir, realizes different pressures of inspiration(Pi).
Brief description of the drawings
Technical scheme is described in detail below in conjunction with the drawings and specific embodiments, so that
Characteristic of the invention and advantage become apparent.
Fig. 1 is the connection diagram of the air-conditioning system of the first embodiment of the present invention；And
Fig. 2 is the connection diagram of the air-conditioning system of the second embodiment of the present invention.
Reference
11 compressors
12 exhaust outlets
13 condensers
14 first fans
15 first reservoirs
16 first compression chambers
17 second reservoirs
18 second compression chambers
21 first electric expansion valves
22 flash evaporations
23 second electric expansion valves
24 first evaporators
25 second fans
26 the 3rd electric expansion valves
27 second evaporators
28 second fans
Specific embodiment
Hereinafter will embodiments of the invention be given with detailed description.Although the present invention will be specific with reference to some
Implementation method is illustrated and illustrates, but should be noted that the present invention is not merely confined to these realities
Apply mode.Conversely, the modification carried out to the present invention or equivalent, all should cover in power of the invention
In the middle of sharp claimed range.
In addition, in order to better illustrate the present invention, being given in specific embodiment below numerous
Detail.It will be understood by those skilled in the art that without these details, the present invention equally can be real
Apply.In other example, it is not described in detail for known structure and part, in order to
Highlight purport of the invention.
First embodiment
Fig. 1 is the connection diagram of the air-conditioning system of the first embodiment of the present invention.As shown in figure 1, this
A kind of air-conditioning system of invention, a compressor 11, a condenser 13, one first fan 14, one first
Electric expansion valve 21, a flash evaporation 22, the first pipeline and the second pipeline.Compressor 11 has one first
The compression chamber 18 of compression chamber 16 and 1 second, the exhaust outlet 12 of compressor 11 is sequentially connected in series a condenser
13rd, one first electric expansion valve 21 and a flash evaporation 22, the first electric expansion valve 21 is to refrigerant
First time throttling is carried out, flash evaporation 22 has an exhaust outlet and a leakage fluid dram.The air channel of the first fan 14
By condenser 13.
The first end of the first pipeline connects the exhaust outlet of flash evaporation 22, and the of the second end connection compressor 11
One compression chamber 16, the first pipeline includes one second expansion valve 23, one first evaporator 24 that are sequentially connected in series
With one first reservoir 15, refrigerant sequentially passes through the second expansion valve 23, first and evaporates in the first pipeline
The reservoir 15 of device 24 and first.Refrigerant in second the first pipeline of expansion valve 23 pairs is carried out second
Throttling.First evaporator 24 works in sensible heat load.
The first end of the second pipeline connects the leakage fluid dram of flash evaporation 22, and the of the second end connection compressor 11
Two compression chambers 18, the second pipeline includes one the 3rd expansion valve 26, one second evaporator 27 that are sequentially connected in series
With one second reservoir 17, refrigerant sequentially passes through the steaming of the 3rd expansion valve 26, one second in the second pipeline
The hair reservoir 17 of device 27 and 1 second.Refrigerant in 3rd the second pipeline of expansion valve 26 pairs carries out
Second throttle.Second evaporator 27 works in latent heat load.The evaporating temperature of the first evaporator 24 is higher than
The evaporating temperature of the second evaporator 27.
Wherein, compressor 11, condenser 13, the first electric expansion valve 21, flash evaporation the 22, the 3rd
Expansion valve 26, the second reservoir 17, the 3rd expansion valve 26, one second reservoir 17 are located outside,
To reduce noise.First evaporator 24 and the second evaporator 27 are located at interior.
Present invention additionally comprises an indoor set and one second fan 25, the first evaporator 24 and the second evaporator
27 are co-located at indoor set.The air channel of the second fan 25 first passes through the first evaporator 24, after by second
Evaporator 27.
Specific embodiment of the invention is as follows：
After the exhaust of compressor of the invention 11 enters condenser 13, enter into the first electric expansion valve 21
Row once throttles；Enter flash evaporation 22 afterwards.The inner refrigerant liquid of flash evaporation 22 is stored in bottom, shwoot
Gas be placed in top, Main Function be ensure throttling before liquid refrigerant stabilization, have enough degree of supercoolings,
Improve heat exchange efficiency.Flash evaporation 22 is exported and divides a two-way, exhaust outlet of the refrigerant based on gaseous state from top
First compression chamber 16 is returned to by one first pipeline；Liquid refrigerant passes through one second from the leakage fluid dram of bottom
Pipeline returns to the second compression chamber 18.Flash evaporation gaseous state is that main refrigerant steams by entering first after second throttle
Hair device 24 (sensible heat evaporator)；Flash evaporation liquid is that main refrigerant steams by entering second after second throttle
Hair device 27 (latent heat evaporation device), is adjusted and enters first respectively by respective electric expansion valve 23,26
The refrigerant flow of the evaporator 27 of evaporator 24 and second and the air quantity of indoor set, realize two evaporations
The different evaporating temperature of device；The refrigerant of two evaporator outlets respectively enters the respective of suction side
Reservoir.
The present invention sets a flash evaporation after condensator outlet, electric expansion valve, and the way outlet of flash evaporation one connects
Connect sensible heat evaporator, another way outlet by throttling again, into latent heat evaporation device.Two different evaporations
The evaporator outlet of temperature (pressure) is connected with double suction gas, double reservoir suction sides respectively, complete
Into system circulation.The present invention suitably adjusts two evaporating temperatures according to the change of indoor load, makes wherein
One evaporator maintains evaporating temperature operating higher for a long time, can improve heating for system overall operation
Energy Efficiency Ratio.
Second embodiment
Fig. 2 is the connection diagram of the air-conditioning system of the second embodiment of the present invention.As shown in Fig. 2
Another air-conditioning system of the invention, be with first embodiment identical, a kind of air-conditioning of the invention
System, a compressor 11, a condenser 13, one first fan 14, one first electric expansion valve
21st, a flash evaporation 22, the first pipeline and the second pipeline.Compressor 11 has one first compression chamber
16 and one second compression chamber 18, the exhaust outlet 12 of compressor 11 be sequentially connected in series a condenser 13,
One first electric expansion valve 21 and a flash evaporation 22, the first electric expansion valve 21 is to refrigerant
First time throttling is carried out, flash evaporation 22 has an exhaust outlet and a leakage fluid dram.First fan 14
Air channel by condenser 13.
The first end of the first pipeline connects the exhaust outlet of flash evaporation 22, and the of the second end connection compressor 11
One compression chamber 16, the first pipeline includes one second expansion valve 23, one first evaporator 24 that are sequentially connected in series
With one first reservoir 15, refrigerant sequentially passes through the second expansion valve 23, first and evaporates in the first pipeline
The reservoir 15 of device 24 and first.Refrigerant in second the first pipeline of expansion valve 23 pairs is carried out second
Throttling.First evaporator 24 works in sensible heat load.
The first end of the second pipeline connects the leakage fluid dram of flash evaporation 22, and the of the second end connection compressor 11
Two compression chambers 18, the second pipeline includes one the 3rd expansion valve 26, one second evaporator 27 that are sequentially connected in series
With one second reservoir 17, refrigerant sequentially passes through the steaming of the 3rd expansion valve 26, one second in the second pipeline
The hair reservoir 17 of device 27 and 1 second.Refrigerant in 3rd the second pipeline of expansion valve 26 pairs carries out
Second throttle.Second evaporator 27 works in latent heat load.The evaporating temperature of the first evaporator 24 is higher than
The evaporating temperature of the second evaporator 27.
Wherein, compressor 11, condenser 13, the first electric expansion valve 21, flash evaporation the 22, the 3rd
Expansion valve 26, the second reservoir 17, the 3rd expansion valve 26, one second reservoir 17 are located outside,
To reduce noise.First evaporator 24 and the second evaporator 27 are located at interior.
From unlike first embodiment, present invention additionally comprises in a sensible heat indoor set, a latent heat room
Machine, one second fan 25 and a three fan 28, the first evaporator 22 are located at sensible heat indoor set,
Second evaporator 26 is located at latent heat indoor set.The air channel of the second fan 25 is by the first evaporator
24, the air channel of three fan 28 is by the second evaporator 27.So that the air-conditioning in second embodiment
System can use two independent indoor sets：Sensible heat indoor set (evaporating temperature higher) and latent
Hot indoor set (relatively low evaporating temperature).Sensible heat indoor set and latent heat indoor set in the present embodiment
The different zones of the same interior space can be distributed in, be conducive to being carried out respectively in the case of subregion
The control of humidity, humidity.
In summary, air-conditioning system of the invention sets two evaporators by indoor, is respectively provided with not
Same evaporating temperature, reaches dehumidifying, the purpose of cooling.The leaving air temp of indoor is moderate, and comfortableness is carried
It is high.Two evaporator outlet refrigerants of different evaporating pressures, respectively enter double suction gas, double reservoirs
Compressor, realizes different pressures of inspiration(Pi).
The above is only concrete application example of the invention, do not constitute any limit to protection scope of the present invention
System.In addition to the implementation, the present invention can also have other embodiment.All use equivalents are waited
The technical scheme that effect conversion is formed, all falls within scope of the present invention.
Claims (10)
1. a kind of air-conditioning system, it is characterised in that including：
One compressor (11), the compressor (11) is with one first compression chamber (16) and one second
Compression chamber (18), the exhaust outlet (12) of the compressor (11) be sequentially connected in series a condenser (13),
One first electric expansion valve (21) and a flash evaporation (22), first electric expansion valve (21)
First time throttling is carried out to refrigerant, the flash evaporation (22) is with an exhaust outlet and a leakage fluid dram；
One first pipeline, the first end of first pipeline connects the exhaust outlet of the flash evaporation (22),
Second end connects first compression chamber (16) of the compressor (11), and first pipeline is included successively
One second expansion valve (23), one first evaporator (24) and one first reservoir (15) connected,
Second expansion valve (23) carries out second throttling to the refrigerant in first pipeline；And
One second pipeline, the first end of second pipeline connects the leakage fluid dram of the flash evaporation (22),
Second end connects second compression chamber (18) of the compressor (11), and second pipeline is included successively
One the 3rd expansion valve (26), one second evaporator (27) and one second reservoir (17) connected,
3rd expansion valve (26) carries out second throttling, described to the refrigerant in second pipeline
Evaporating temperature of the evaporating temperature of one evaporator (24) higher than second evaporator (27).
2. air-conditioning system as claimed in claim 1, it is characterised in that：First evaporator (24)
Sensible heat load is worked in, second evaporator (27) works in latent heat load.
3. air-conditioning system as claimed in claim 2, it is characterised in that：Freeze in first pipeline
Agent sequentially passes through second expansion valve (23), the first evaporator (24) and the first reservoir (15).
4. air-conditioning system as claimed in claim 2, it is characterised in that：Freeze in second pipeline
Agent sequentially passes through the 3rd expansion valve (26), one second evaporator (27) and one second reservoir (17).
5. air-conditioning system as claimed in claim 1, it is characterised in that：Also include one first fan (14),
The air channel of first fan (14) is by the condenser (13).
6. the air-conditioning system as described in any one in claim 1 to 5, it is characterised in that：Also wrap
An indoor set is included, first evaporator (24) and second evaporator (27) are co-located at described
Indoor set.
7. air-conditioning system as claimed in claim 6, it is characterised in that：Also include one second fan (25),
The air channel of second fan (25) first passes through first evaporator (24), after by described second
Evaporator (27).
8. the air-conditioning system as described in any one in claim 1 to 5, it is characterised in that：Also wrap
A sensible heat indoor set and a latent heat indoor set are included, first evaporator (22) is in the sensible heat room
Machine, second evaporator (26) is positioned at the latent heat indoor set.
9. air-conditioning system as claimed in claim 8, it is characterised in that：Also include one second fan (25)
With a three fan (28), the air channel of second fan (25) by first evaporator (24),
The air channel of the three fan (28) is by second evaporator (27).
10. air-conditioning system as claimed in claim 1, it is characterised in that：The compressor (11),
Condenser (13), the first electric expansion valve (21), flash evaporation (22), the 3rd expansion valve (26),
Second reservoir (17), the 3rd expansion valve (26), one second reservoir (17) are located outside；Institute
The first evaporator (24) and the second evaporator (27) are stated positioned at interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946345.0A CN106885387A (en) | 2015-12-16 | 2015-12-16 | A kind of air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946345.0A CN106885387A (en) | 2015-12-16 | 2015-12-16 | A kind of air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106885387A true CN106885387A (en) | 2017-06-23 |
Family
ID=59175546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510946345.0A Pending CN106885387A (en) | 2015-12-16 | 2015-12-16 | A kind of air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106885387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560210A (en) * | 2017-08-21 | 2018-01-09 | 珠海格力电器股份有限公司 | A kind of refrigeration system |
| CN112776556A (en) * | 2019-11-11 | 2021-05-11 | 郑州宇通客车股份有限公司 | Vehicle fixed-displacement single-compressor double-area air conditioning system and liquid impact prevention method thereof |
| CN112796996A (en) * | 2021-01-10 | 2021-05-14 | 青岛腾远设计事务所有限公司 | Scroll compressor |
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| CN1136350A (en) * | 1994-10-05 | 1996-11-20 | 株式会社日立制作所 | Air-conditioner |
| JPH10339513A (en) * | 1997-06-06 | 1998-12-22 | Sanyo Electric Co Ltd | Air conditioning system |
| CN1991276A (en) * | 2005-12-26 | 2007-07-04 | 日立空调·家用电器株式会社 | Air adjustor |
| KR100854152B1 (en) * | 2007-01-26 | 2008-08-26 | 엘지전자 주식회사 | air conditioning system |
| US20110146306A1 (en) * | 2008-10-02 | 2011-06-23 | Taras Michael F | Start-up for refrigerant system with hot gas reheat |
| CN104251515A (en) * | 2013-06-25 | 2014-12-31 | 上海日立电器有限公司 | Household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat |
| CN105042915A (en) * | 2015-07-27 | 2015-11-11 | 湖南大学 | Refrigerating system with oil cooling compression circulation and air supplementing enthalpy increasing circulation |
-
2015
- 2015-12-16 CN CN201510946345.0A patent/CN106885387A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1136350A (en) * | 1994-10-05 | 1996-11-20 | 株式会社日立制作所 | Air-conditioner |
| JPH10339513A (en) * | 1997-06-06 | 1998-12-22 | Sanyo Electric Co Ltd | Air conditioning system |
| CN1991276A (en) * | 2005-12-26 | 2007-07-04 | 日立空调·家用电器株式会社 | Air adjustor |
| KR100854152B1 (en) * | 2007-01-26 | 2008-08-26 | 엘지전자 주식회사 | air conditioning system |
| US20110146306A1 (en) * | 2008-10-02 | 2011-06-23 | Taras Michael F | Start-up for refrigerant system with hot gas reheat |
| CN104251515A (en) * | 2013-06-25 | 2014-12-31 | 上海日立电器有限公司 | Household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat |
| CN105042915A (en) * | 2015-07-27 | 2015-11-11 | 湖南大学 | Refrigerating system with oil cooling compression circulation and air supplementing enthalpy increasing circulation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560210A (en) * | 2017-08-21 | 2018-01-09 | 珠海格力电器股份有限公司 | A kind of refrigeration system |
| CN107560210B (en) * | 2017-08-21 | 2023-11-03 | 珠海格力电器股份有限公司 | Refrigerating system |
| CN112776556A (en) * | 2019-11-11 | 2021-05-11 | 郑州宇通客车股份有限公司 | Vehicle fixed-displacement single-compressor double-area air conditioning system and liquid impact prevention method thereof |
| CN112796996A (en) * | 2021-01-10 | 2021-05-14 | 青岛腾远设计事务所有限公司 | Scroll compressor |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170623 |
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| RJ01 | Rejection of invention patent application after publication |