CN106196675A - Air-conditioner - Google Patents
Air-conditioner Download PDFInfo
- Publication number
- CN106196675A CN106196675A CN201610495011.0A CN201610495011A CN106196675A CN 106196675 A CN106196675 A CN 106196675A CN 201610495011 A CN201610495011 A CN 201610495011A CN 106196675 A CN106196675 A CN 106196675A
- Authority
- CN
- China
- Prior art keywords
- compressor
- air
- main road
- heat exchanger
- port
- 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.)
- Granted
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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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
Abstract
The invention provides a kind of air-conditioner, the gas-liquid separator being connected including main road compressor, indoor heat exchanger, outdoor heat exchanger and the air entry with main road compressor and the making-up air device being connected with the gas supplementing opening of main road compressor, first end of indoor heat exchanger is connected with main road compressor, making-up air device is flash evaporation, air-conditioner also includes the port of export the being connected to gas-liquid separator bypass compressor with the air compensation of increase main road compressor, and the port of export of bypass compressor is connected with main road compressor.According to the air-conditioner of the present invention, by arranging bypass compressor, during bypass compressor operating, increase the air compensation of main road compressor, thus improve heating capacity and the heating performance of air-conditioner, meet at low ambient temperatures heat requirement.And by increasing the air compensation of main road compressor, it is also possible to reduce the delivery temperature of main road compressor.
Description
The present invention is filing date on February 28th, 2013, Application No. 201310064946.X, invention entitled " air-conditioning
Device " the divisional application of patent of invention.
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioner.
Background technology
Air source heat pump heating capacity declines decay rapidly with outdoor environment temperature and cannot meet user's request.Existing adopt
Enthalpy technology is increased with twin-stage or quasi-two-stage compression second vapor injection, middle not including the middle not exclusively cooling of two-stage throttling and one-level throttling
Cool down circulation completely, to improve low-temperature heating capacity and COPN, reduce compressor exhaust temperature simultaneously.But prior art Gas-supplying enthalpy-increasing
Ratio is the highest, causes the Gas-supplying enthalpy-increasing DeGrain to improving coefficient of performance in heating；Cold Winter outdoor environment temperature is very
Time low, heating capacity still cannot meet requirement.
Summary of the invention
It is desirable to provide a kind of air-conditioner improving heating capacity and heating performance.
The invention provides a kind of air-conditioner, including main road compressor, indoor heat exchanger, outdoor heat exchanger and with main road pressure
Gas-liquid separator that the air entry of contracting machine is connected and the making-up air device being connected with the gas supplementing opening of main road compressor, indoor are changed
First end of hot device is connected with main road compressor, and making-up air device is flash evaporation, and air-conditioner also includes being connected to gas-liquid separator
The port of export to increase the bypass compressor of air compensation of main road compressor, the port of export of bypass compressor and main road compressor phase
Connection.
Further, flash evaporation includes the first cold-producing medium port and and the main road that the second end with indoor heat exchanger is connected
The gaseous phase outlet that the gas supplementing opening of compressor is connected, and the second refrigerant port being connected with outdoor heat exchanger；Flash evaporation
The first cold-producing medium port and indoor heat exchanger between be arranged in series first throttle device, the second refrigerant port of flash evaporation with
The second throttling arrangement it is arranged in series between outdoor heat exchanger；The air entry of bypass compressor is connected with the port of export of gas-liquid separator
Logical, the air vent of bypass compressor is connected with the first cold-producing medium port of flash evaporation.
Further, flash evaporation includes the first cold-producing medium port and and the main road that the second end with indoor heat exchanger is connected
The gaseous phase outlet that the gas supplementing opening of compressor is connected, and the second refrigerant port being connected with outdoor heat exchanger；Flash evaporation
The first cold-producing medium port and indoor heat exchanger between be arranged in series first throttle device, the second refrigerant port of flash evaporation with
The second throttling arrangement it is arranged in series between outdoor heat exchanger；The air entry of bypass compressor is connected with the port of export of gas-liquid separator
Logical, the air vent of bypass compressor is connected with the gas supplementing opening of main road compressor.
According to the air-conditioner of the present invention, by arranging bypass compressor, during bypass compressor operating, increase main road compressor
Air compensation, thus improve heating capacity and the heating performance of air-conditioner, meet heating and want at low ambient temperatures
Ask.And by increasing the air compensation of main road compressor, it is also possible to reduce the delivery temperature of main road compressor.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the system schematic of the first embodiment of the air-conditioner according to the present invention；
Fig. 2 is the system schematic of the second embodiment of the air-conditioner according to the present invention；
Fig. 3 is the system schematic of the 3rd embodiment of the air-conditioner according to the present invention；And
Fig. 4 is the system schematic of the 4th embodiment of the air-conditioner according to the present invention.
Detailed description of the invention
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 4, according to the air-conditioner of the present invention, including main road compressor 1, indoor heat exchanger 3, outdoor heat exchange
Gas-liquid separator 6 that device 2 and the air entry with main road compressor 1 are connected and being connected with the gas supplementing opening of main road compressor 1
Making-up air device 5, the first end of indoor heat exchanger 3 is connected with main road compressor 1, and air-conditioner also includes being connected to gas-liquid separation
The port of export of device 6 is to increase the bypass compressor 9 of the air compensation of main road compressor 1.The air-conditioner of the present invention is by arranging bypass
Compressor 9, when bypass compressor 9 works, increases the air compensation of main road compressor 1, thus improves heating capacity and the system of air-conditioner
Hot property, meet at low ambient temperatures heat requirement.And by increasing the air compensation of main road compressor 1,
The delivery temperature of main road compressor 1 can also be reduced.
Specifically, as it is shown in figure 1, according to the first embodiment of the present invention, making-up air device 5 is economizer, including mutually every
The first refrigerant chamber and second refrigerant chamber from also heat exchange；First end of the first refrigerant chamber and the second of indoor heat exchanger 3
End is connected, and the second end of the first refrigerant chamber is connected with the first end of outdoor heat exchanger 2, and in the first refrigerant chamber and room
The second throttling arrangement 402 it is arranged in series between external heat exchanger 2；First end in second refrigerant chamber and the second of indoor heat exchanger 3
End is connected, and is arranged in series first throttle device 401, second refrigerant between indoor heat exchanger 3 and second refrigerant chamber
Second end in chamber is connected with the gas supplementing opening of main road compressor 1.Cold-producing medium after first throttle device 401 reducing pressure by regulating flow exists
Evaporation gasification in second refrigerant chamber, and the cold-producing medium in the first refrigerant chamber is formed supercool.Second refrigerant chamber is steamed
The cold-producing medium of getting angry is passed through the gas supplementing opening QI invigorating of main road compressor 1.
As it is shown in figure 1, the air entry of bypass compressor 9 is connected with the port of export of gas-liquid separator 6, i.e. bypass compressor
9 and main road compressor 1 share a gas-liquid separator 6, the second refrigerant chamber of the air vent of bypass compressor 9 and economizer
First end is connected, i.e. the aerofluxus of bypass compressor 9 mixes all with the cold-producing medium after first throttle device 401 reducing pressure by regulating flow
Making-up air device 5 is entered back into after even.Certainly, the aerofluxus of bypass compressor 9 can also be passed directly into the QI invigorating of main road compressor 1
Mouthful, i.e. the air vent of bypass compressor 9 is connected with the gas supplementing opening of main road compressor 1.
More specifically, the refrigerant cycle of the air-conditioner of first embodiment is as follows, the aerofluxus of main road compressor 1 is changed through indoor
After the condensation of hot device 3 (condenser), cold-producing medium is divided into the first branch road and the second branch road, and the cold-producing medium of the first branch road enters QI invigorating dress
Put 5 (the first refrigerant chamber of economizer) to be too cold, the most successively through the second throttling arrangement 402, outdoor heat exchanger 2 (vaporizer)
Be divided into two-way with after gas-liquid separator 6, a road enter the air entry of main road compressor 1 be compressed into after intermediate pressure with QI invigorating
Mixing is discharged from air vent after being compressed again, and another road then enters and discharges after bypass compressor 9 is compressed.After condenser condenses
The cold-producing medium of the second branch road after first throttle device 401 reducing pressure by regulating flow, become two phase refrigerant, with the row of bypass compressor 9
Enter after gas mixing making-up air device 5 (the second refrigerant chamber of economizer) further heat absorption evaporation laggard enter main road compressor QI invigorating
Mouthful.More significantly increase the air compensation of main road compressor by arranging bypass compressor 9, thus improve heating of air-conditioner
Amount, meets and heats requirement under cryogenic conditions.And more conventional leading in the case of low-temperature heating deficiency in prior art
Crossing the scheme of electrical heating auxiliary heating, by arranging bypass compressor 9 in the case of obtaining identical heating capacity, energy consumption is more
Low, thus the air-conditioner of the present embodiment has more preferable heating performance.It addition, the air compensation of main road compressor 1 increases, it is also possible to
Reduce the delivery temperature of main road compressor 1.
As in figure 2 it is shown, according to the second embodiment of the present invention, unlike first embodiment, predominantly economizer
The connected mode in second refrigerant chamber is different.Specifically, the second end phase of the first end of the first refrigerant chamber and indoor heat exchanger 3
Connection, the second end of the first refrigerant chamber by pipeline respectively with the of the first end of outdoor heat exchanger 2 and second refrigerant chamber
One end is connected, and is arranged in series the second throttling arrangement 402 between the first refrigerant chamber and outdoor heat exchanger 2, in the first system
First throttle device 401 it is arranged in series between cryogen chamber and second refrigerant chamber.The air entry of bypass compressor 9 and gas-liquid separation
The port of export of device 6 is connected, and the air vent of bypass compressor 9 is connected with first end in the second refrigerant chamber of economizer.
In this embodiment, the circulation of cold-producing medium is as follows, and the aerofluxus of main road compressor 1 is through indoor heat exchanger 3 (condenser)
Enter making-up air device 5 (the first refrigerant chamber of economizer) after condensation to be too cold, be then split into the first branch road and the second branch road,
The cold-producing medium of the first branch road is divided into after the second throttling arrangement 402, outdoor heat exchanger 2 (vaporizer) and gas-liquid separator 6
Two-way, a road enter mix with QI invigorating after the air entry of main road compressor 1 is compressed into intermediate pressure compressed again after from aerofluxus
Mouth is discharged, and another road then enters and discharges after bypass compressor 9 is compressed.After the first refrigerant chamber of economizer is too cold
The cold-producing medium of two branch roads becomes two phase refrigerant after first throttle device 401 reducing pressure by regulating flow, and the aerofluxus with bypass compressor 9 mixes
Enter after conjunction making-up air device 5 (the second refrigerant chamber of economizer) further heat absorption evaporation laggard enter main road compressor gas supplementing opening.
In this embodiment, bypass compressor 9 is set and the most more significantly increases the air compensation of main road compressor, thus improve air-conditioning
The heating capacity of device and heating performance, meet the requirement that heats under cryogenic conditions, and reduce the aerofluxus temperature of main road compressor 1
Degree.Relatively for first embodiment, in this embodiment, the second branch road cold-producing medium is too cold, and causes entering first throttle device 401
Cold-producing medium specific enthalpy relative reduction, the evaporation endothermic amount in the second refrigerant chamber of making-up air device 5 increased, thus is conducive to carrying
High heating capacity.In this embodiment, the air vent of bypass compressor 9 can also directly gas supplementing opening with main road compressor 1 be connected
It is logical, so that the aerofluxus of bypass compressor 9 is directly entered the gas supplementing opening QI invigorating of main road compressor.
As it is shown on figure 3, according to the third embodiment of the invention, unlike first embodiment, in this embodiment, mend
Device of air 5 is flash evaporation, and flash evaporation includes the first cold-producing medium port and and the main road that the second end with indoor heat exchanger 3 is connected
The gaseous phase outlet that the gas supplementing opening of compressor 1 is connected, and the second refrigerant port being connected with outdoor heat exchanger 2；Shwoot
It is arranged in series first throttle device 401, the second refrigerant of flash evaporation between first cold-producing medium port and the indoor heat exchanger 3 of device
The second throttling arrangement 402 it is arranged in series between port and outdoor heat exchanger 2；The air entry of bypass compressor 9 and gas-liquid separator 6
The port of export be connected, the air vent of bypass compressor 9 is connected with the gas supplementing opening of main road compressor 1.
In this embodiment, the circulation of cold-producing medium is as follows, and the aerofluxus of main road compressor 1 is successively through indoor heat exchanger 3 (condensation
Device), first throttle device 401 throttling become two phase refrigerant, enter flash evaporation and be divided into saturated gas and saturated liquid, saturated air
It is main road compressor 1 QI invigorating that body enters the gas supplementing opening of main road compressor 1, and saturated liquid is successively through the second throttling arrangement 402, outdoor
Being divided into two-way after heat exchanger 2 (vaporizer) and gas-liquid separator 6, a road is directly entered main road compressor 1 air entry and is compressed
Being discharged from air vent by compression after mixing with QI invigorating to intermediate pressure, another road then enters bypass compressor 9 after compression again
From entering the gas supplementing opening QI invigorating of main road compressor 1, the aerofluxus of bypass compressor 9 is more a significant increase main road compressor 1
Air compensation, thus improve heating capacity and the heating performance of air-conditioner, meet the requirement that heats under cryogenic conditions, and reduce master
The delivery temperature of road compressor 1.
As shown in Figure 4, according to the 4th embodiment of the air-conditioner of the present invention, unlike the 3rd embodiment, real at this
Executing in example, the air vent of bypass compressor 9 is connected with the first cold-producing medium port of flash evaporation.Compare the 3rd embodiment, make auxiliary
The aerofluxus of road compressor 9 was mixed homogeneously with the cold-producing medium through first throttle device 401 reducing pressure by regulating flow before entering flash evaporation,
Two phase refrigerant after first throttle device 401 throttling, it is possible to absorb the heat in the high-temperature exhaust air of bypass compressor 9, thus
Evaporation gasification, compares in the 3rd embodiment and bypass compressor 9 is passed directly into gas supplementing opening, it is possible to further increase QI invigorating
Amount, and then further improve heating capacity and air-conditioner efficiency.
The main road compressor 1 of the air-conditioner of the present invention can be the quasi-split-compressor of vortex, birotor twin-stage Gas-supplying enthalpy-increasing
Compressor or the combination of two any form of single-stage compressors, it is also possible to be band Gas-supplying enthalpy-increasing function helical-lobe compressor or from
Heart compressor.In an air conditioner in accordance with the present invention, first throttle device 401 and the second throttling arrangement 402 can be capillary tube, throttling
Short tube, heating power expansion valve, electric expansion valve, restricting orifice or aforementioned any reasonable combination.On the closed circuit of air-conditioner, also
Can plus the parts such as necessary four-way change-over valve or in addition simple modifications adapting to refrigeration, heat or the applied field such as water heating
Close.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
According to the air-conditioner of the present invention, by arranging bypass compressor, during bypass compressor operating, increase main road compressor
Air compensation, thus improve heating capacity and the heating performance of air-conditioner, meet heating and want at low ambient temperatures
Ask.And by increasing the air compensation of main road compressor, it is also possible to reduce the delivery temperature of main road compressor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (3)
1. an air-conditioner, including main road compressor (1), indoor heat exchanger (3), outdoor heat exchanger (2) and with described main road pressure
Gas-liquid separator (6) that the air entry of contracting machine (1) is connected and the benefit being connected with the gas supplementing opening of described main road compressor (1)
Device of air (5), the first end of described indoor heat exchanger (3) is connected with described main road compressor (1), it is characterised in that
Described making-up air device (5) is flash evaporation, described air-conditioner also include the port of export being connected to described gas-liquid separator (6) with
Increasing the bypass compressor (9) of the air compensation of described main road compressor (1), the port of export of described bypass compressor (9) is with described
Main road compressor (1) is connected.
Air-conditioner the most according to claim 1, it is characterised in that
Described flash evaporation include the first cold-producing medium port of being connected with the second end of described indoor heat exchanger (3) and with described master
The gaseous phase outlet that the gas supplementing opening of road compressor (1) is connected, and the second refrigerant being connected with described outdoor heat exchanger (2)
Port；
It is arranged in series first throttle device between first cold-producing medium port and the described indoor heat exchanger (3) of described flash evaporation
(401), it is arranged in series the second throttling arrangement between second refrigerant port and the described outdoor heat exchanger (2) of described flash evaporation
(402)；
The air entry of described bypass compressor (9) is connected with the port of export of described gas-liquid separator (6), described bypass compressor
(9) air vent is connected with the first cold-producing medium port of described flash evaporation.
Air-conditioner the most according to claim 1, it is characterised in that
Described flash evaporation include the first cold-producing medium port of being connected with the second end of described indoor heat exchanger (3) and with described master
The gaseous phase outlet that the gas supplementing opening of road compressor (1) is connected, and the second refrigerant end being connected with outdoor heat exchanger (2)
Mouthful；
It is arranged in series first throttle device between first cold-producing medium port and the described indoor heat exchanger (3) of described flash evaporation
(401), it is arranged in series the second throttling arrangement between second refrigerant port and the described outdoor heat exchanger (2) of described flash evaporation
(402)；
The air entry of described bypass compressor (9) is connected with the port of export of described gas-liquid separator (6), described bypass compressor
(9) air vent is connected with the gas supplementing opening of described main road compressor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495011.0A CN106196675B (en) | 2013-02-28 | 2013-02-28 | Air conditioner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495011.0A CN106196675B (en) | 2013-02-28 | 2013-02-28 | Air conditioner |
| CN201310064946.XA CN104019573B (en) | 2013-02-28 | 2013-02-28 | Air-conditioner |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064946.XA Division CN104019573B (en) | 2013-02-28 | 2013-02-28 | Air-conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106196675A true CN106196675A (en) | 2016-12-07 |
| CN106196675B CN106196675B (en) | 2019-03-01 |
Family
ID=51436467
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064946.XA Active CN104019573B (en) | 2013-02-28 | 2013-02-28 | Air-conditioner |
| CN201610495011.0A Active CN106196675B (en) | 2013-02-28 | 2013-02-28 | Air conditioner |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064946.XA Active CN104019573B (en) | 2013-02-28 | 2013-02-28 | Air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104019573B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024031A (en) * | 2017-05-27 | 2017-08-08 | 中原工学院 | A kind of three pressure high-efficiency air cooling source pumps suitable for the big temperature difference |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954066B (en) * | 2014-04-15 | 2017-05-10 | 珠海格力电器股份有限公司 | Refrigerating device |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioner system |
| CN106766332B (en) * | 2016-12-20 | 2023-05-30 | 珠海格力电器股份有限公司 | Air conditioning system unit and air conditioning system |
| CN108800639A (en) * | 2018-07-25 | 2018-11-13 | 格力电器（杭州）有限公司 | Heat-exchange system and water heater with it |
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| JP2008241069A (en) * | 2007-03-26 | 2008-10-09 | Mitsubishi Electric Corp | Air conditioning device |
| CN201429263Y (en) * | 2009-07-20 | 2010-03-24 | 广东长菱空调冷气机制造有限公司 | Heat pump system for heat pump water heater |
| CN201837135U (en) * | 2010-07-15 | 2011-05-18 | 湖北东橙新能源科技有限公司 | Heat pump system with scroll compressor and flash tank |
| CN102713463A (en) * | 2010-01-20 | 2012-10-03 | 开利公司 | Refrigeration storage in a refrigerant vapor compression system |
| CN202675717U (en) * | 2012-07-10 | 2013-01-16 | 珠海格力电器股份有限公司 | Room air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128508B (en) * | 2010-01-19 | 2014-10-29 | 珠海格力电器股份有限公司 | Ejector throttling and vapor supplementing system and heat pump or refrigerating system vapor supplementing method |
| KR101155496B1 (en) * | 2010-04-23 | 2012-06-15 | 엘지전자 주식회사 | Heat pump type speed heating apparatus |
| CN203116172U (en) * | 2013-02-28 | 2013-08-07 | 珠海格力电器股份有限公司 | Air conditioner |
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- 2013-02-28 CN CN201310064946.XA patent/CN104019573B/en active Active
- 2013-02-28 CN CN201610495011.0A patent/CN106196675B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008241069A (en) * | 2007-03-26 | 2008-10-09 | Mitsubishi Electric Corp | Air conditioning device |
| CN201429263Y (en) * | 2009-07-20 | 2010-03-24 | 广东长菱空调冷气机制造有限公司 | Heat pump system for heat pump water heater |
| CN102713463A (en) * | 2010-01-20 | 2012-10-03 | 开利公司 | Refrigeration storage in a refrigerant vapor compression system |
| CN201837135U (en) * | 2010-07-15 | 2011-05-18 | 湖北东橙新能源科技有限公司 | Heat pump system with scroll compressor and flash tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024031A (en) * | 2017-05-27 | 2017-08-08 | 中原工学院 | A kind of three pressure high-efficiency air cooling source pumps suitable for the big temperature difference |
| CN107024031B (en) * | 2017-05-27 | 2022-08-02 | 中原工学院 | Three-pressure high-efficiency air-cooled heat pump unit suitable for large temperature difference |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104019573A (en) | 2014-09-03 |
| CN106196675B (en) | 2019-03-01 |
| CN104019573B (en) | 2017-06-30 |
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