CN109269162A - Air conditioner and control method - Google Patents
Air conditioner and control method Download PDFInfo
- Publication number
- CN109269162A CN109269162A CN201811213358.7A CN201811213358A CN109269162A CN 109269162 A CN109269162 A CN 109269162A CN 201811213358 A CN201811213358 A CN 201811213358A CN 109269162 A CN109269162 A CN 109269162A
- Authority
- CN
- China
- Prior art keywords
- air
- conditioning
- mode
- heat exchanger
- temperature
- 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
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 238000010438 heat treatment Methods 0.000 claims abstract description 88
- 238000005057 refrigeration Methods 0.000 claims abstract description 71
- 238000004378 air conditioning Methods 0.000 claims description 116
- 238000009833 condensation Methods 0.000 claims description 22
- 230000005494 condensation Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 30
- 238000010586 diagram Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 108010053481 Antifreeze Proteins Proteins 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000004781 supercooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 206010008469 Chest discomfort Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Analytical Chemistry (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an air conditioner and a control method, wherein the air conditioner comprises: the heat exchange component is arranged on the gas-liquid separator and is used for condensing the gas flowing through the gas-liquid separator; the heat exchange quantity of the heat exchange component is less than that of the outdoor heat exchanger; a first four-way valve for directing compressor discharge gas to the heat exchange section in a first mode; the first mode includes: a low temperature cooling mode, and/or a start-up phase of a low temperature heating mode. According to the technical scheme provided by the invention, in the starting stage of the low-temperature refrigeration mode and/or the low-temperature heating mode, the high-temperature and high-pressure gas discharged by the compressor is condensed by the heat exchange component, so that the anti-freezing protection of the indoor unit of the air conditioner and the liquid impact phenomenon of the compressor are prevented, and the reliability of the system is improved.
Description
Technical field
The present invention relates to air conditioner controlling technology fields, and in particular to a kind of air-conditioning and control method.
Background technique
Currently, when outdoor environment temperature is relatively low, indoor unit is easy starting anti-freeze protection when refrigeration, influences air-conditioning
It works normally；When low-temperature heating, after air-conditioning is shut down, a part of refrigerant can move to be condensed in the biggish vapour liquid separator of volume
(there are two-phases, i.e. liquid refrigerants and steam state refrigerant during system circulation for refrigerant), if starting of air conditioner at this time, due to major part
Refrigerant exists in vapour liquid separator with liquid refrigerants, is likely to result in compressor liquid hit phenomenon (since refrigerant liquid is pressed
Contracting machine sucking, cause the abnormal impact accident of compressor) so that refrigerant can not Rapid Circulation, influence the normal work of air-conditioning.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the present invention provides a kind of air-conditioning and controlling party
Method, to solve the problem of that air-conditioning air-conditioning in cryogenic refrigeration and low-temperature heating is easy to appear failure in the prior art.
According to a first aspect of the embodiments of the present invention, a kind of air-conditioning is provided, comprising:
Heat exchanger components are arranged on vapour liquid separator, for carrying out condensation process to the gas flowed through；The heat exchanger components
Heat exchange amount be less than outdoor heat exchanger heat exchange amount；
First four-way valve, in the flrst mode, the gas that compressor is discharged to be drained into the heat exchanger components；Institute
Stating first mode includes: cryogenic refrigeration mode, and/or, the startup stage of low-temperature heating pattern.
Preferably, the outdoor heat exchanger, for carrying out condensation process to the gas flowed through under normal refrigeration mode；
First four-way valve, is also used in normal refrigeration mode, and the gas that compressor is discharged is drained into the room
External heat exchanger；
The outdoor heat exchanger is also used to for condensed liquid being transported in the first circulation pipeline of air-conditioning.
Preferably, the air-conditioning, further includes:
Indoor heat exchanger, for carrying out condensation process to the gas flowed through under common heating mode；
First four-way valve, is also used in common heating mode, and/or, in the non-start up rank of low-temperature heating pattern
The gas that compressor is discharged is drained into the indoor heat exchanger by section；
The indoor heat exchanger is also used to for condensed liquid being transported in the second circulation pipeline of air-conditioning.
Preferably, the heat exchanger components, are also used to:
When the first mode is cryogenic refrigeration mode, condensed liquid is transported to the first circulation pipeline of air-conditioning
In, the first circulation pipeline are as follows: condensed circulation line under normal refrigeration mode；And/or
When the first mode is the startup stage of low-temperature heating pattern, condensed liquid is transported to the of air-conditioning
In two circulation lines, the second circulation pipeline are as follows: condensed circulation line under common heating mode.
Preferably, the bottom of the vapour liquid separator is arranged in the heat exchanger components.
Preferably, the contact portion of the heat exchanger components and the vapour liquid separator is also coated with Heat Conduction Material.
Preferably, the Heat Conduction Material is electric silica gel.
Preferably, the heat exchanger components are heat exchanger plates.
Preferably, the heat exchanger plates are sticked on the vapour liquid separator.
Preferably, the heat exchanger plates include:
Chassis is fixedly mounted on the vapour liquid separator；And
Disk sets the hollow copper tubing for being mounted on the chassis surface.
According to a second aspect of the embodiments of the present invention, a kind of control method is provided, comprising:
Determine the current operation mode of air-conditioning；
It is cryogenic refrigeration mode in the current operation mode, and/or, when the startup stage of low-temperature heating pattern, control
First four-way valve drains into the gas that compressor is discharged in heat exchanger components, so that the heat exchanger components carry out the gas flowed through
Condensation process；
Wherein, the heat exchanger components are arranged on vapour liquid separator, and the heat exchange amount of the heat exchanger components is less than outdoor heat exchange
The heat exchange amount of device.
Preferably, the method, further includes:
When the operating mode is normal refrigeration mode, the first four-way valve of control drains into the gas that compressor is discharged
In the outdoor heat exchanger；
It controls the outdoor heat exchanger and condensation process is carried out to the gas flowed through, and condensed liquid is transported to air-conditioning
First circulation pipeline in.
Preferably, the method, further includes:
When the operating mode is common heating mode, and/or, in the non-start up stage of low-temperature heating pattern, control
First four-way valve drains into the gas that compressor is discharged in indoor heat exchanger；
It controls the indoor heat exchanger and condensation process is carried out to the gas flowed through, and condensed liquid is transported to air-conditioning
Second circulation pipeline in.
Preferably, the method, further includes:
When the first mode is cryogenic refrigeration mode, the heat exchanger components are controlled by condensed liquid and are transported to sky
In the first circulation pipeline of tune, the first circulation pipeline are as follows: condensed circulation line under normal refrigeration mode；And/or
When the first mode is the startup stage of low-temperature heating pattern, the heat exchanger components are controlled by condensed liquid
Body is transported in the second circulation pipeline of air-conditioning, the second circulation pipeline are as follows: condensed circulation pipe under common heating mode
Road.
Preferably, the current operation mode of the determining air-conditioning, comprising:
According to the operating parameter of outdoor environment temperature and air-conditioning, the current operation mode of air-conditioning is determined.
Preferably, the operating parameter, comprising:
Operational mode, and/or, the operation duration after unlatching.
Preferably, the current operation mode of the determining air-conditioning, comprising:
If the outdoor environment temperature is equal to or less than the first preset temperature, and the operational mode of air-conditioning is refrigeration mode,
The current operation mode for determining air-conditioning is cryogenic refrigeration mode；
If the outdoor environment temperature is equal to or less than the first preset temperature, and the operational mode of air-conditioning is heating mode,
The current operation mode for determining air-conditioning is low-temperature heating pattern；
If the outdoor environment temperature is greater than the second preset temperature, and the operational mode of air-conditioning is refrigeration mode, is determined empty
The current operation mode of tune is normal refrigeration mode；
If the outdoor environment temperature is greater than the second preset temperature, and the operational mode of air-conditioning is heating mode, is determined empty
The current operation mode of tune is common heating mode.
Preferably, the method, further includes:
If the outdoor environment temperature is greater than the first preset temperature, it is less than or equal to the second preset temperature, and the fortune of air-conditioning
Row mode is heating mode, determines that the current operation mode of air-conditioning is common heating mode；
If the outdoor environment temperature is greater than the first preset temperature, it is less than or equal to the second preset temperature, and the fortune of air-conditioning
Row mode is refrigeration mode, determines that the current operation mode of air-conditioning is normal refrigeration mode.
Preferably, the method, further includes:
If air-conditioning is opened with low-temperature heating pattern and is run, after opening operation preset duration, determine the work at present mould of air-conditioning
Formula is common heating mode.
The technical solution that the embodiment of the present invention provides can include the following benefits:
Under cryogenic refrigeration mode, since the heat exchange amount of heat exchanger components is less than the heat exchange amount of outdoor heat exchanger, the compression
After heat exchanger components condense, the degree of supercooling of system becomes smaller the high temperature and high pressure gas of machine discharge, is able to ascend the evaporation of indoor unit
Temperature reduces the frequency of indoor unit starting anti-freeze protection, improves reliability of the system in cryogenic refrigeration.
In the startup stage of low-temperature heating pattern, since the high temperature and high pressure gas of compressor discharge first passes through vapour liquid separator
Condensation is equivalent to and preheats to vapour liquid separator.When being placed due to air conditioner low temperature, refrigerant can largely move to the vapour-liquid of outdoor unit
It is condensed in separator, is first preheated to vapour liquid separator, can prevent refrigerant from condensing, refrigerant is made to be constantly in steam state, prevent from compressing
The generation of machine liquid hit phenomenon recycles the refrigerant in pipeline rapidly, ensures that air-conditioning system operates normally, and improves system low
Reliability when temperature heating.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of electrical structure signal of the air-conditioning shown according to an exemplary embodiment under cryogenic refrigeration mode
Figure；
Fig. 2 is a kind of electrical structure signal of the air-conditioning shown according to an exemplary embodiment under normal refrigeration mode
Figure；
Fig. 3 is a kind of electrical structure signal of the air-conditioning shown according to an exemplary embodiment under common heating mode
Figure；
Fig. 4 is a kind of electrical knot of the air-conditioning shown according to an exemplary embodiment in the startup stage of low-temperature heating pattern
Structure schematic diagram；
Fig. 5 is the schematic view of the mounting position of heat exchanger components shown according to an exemplary embodiment；
Fig. 6 is the schematic diagram of internal structure of heat exchanger components shown according to an exemplary embodiment；
Fig. 7 is the flow chart of control method shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Fig. 1 is a kind of electrical structure signal of the air-conditioning shown according to an exemplary embodiment under cryogenic refrigeration mode
Figure, as shown in Figure 1, the air-conditioning includes:
Heat exchanger components 1 are arranged on vapour liquid separator 3, for carrying out condensation process to the gas flowed through；The heat exchanging part
The heat exchange amount of part 1 is less than the heat exchange amount of outdoor heat exchanger 5；
First four-way valve 2, in the flrst mode, the gas that compressor 4 is discharged being drained into the heat exchanger components 1
In；The first mode includes: cryogenic refrigeration mode, and/or, the startup stage of low-temperature heating pattern.
Technical solution provided in this embodiment, under cryogenic refrigeration mode, since the heat exchange amount of heat exchanger components is less than outdoor
The heat exchange amount of heat exchanger, after heat exchanger components condense, the degree of supercooling of system becomes the high temperature and high pressure gas of the compressor discharge
It is small, it is able to ascend the evaporating temperature of indoor unit, the frequency of indoor unit starting anti-freeze protection is reduced, improves system in cryogenic refrigeration
When reliability.
In the startup stage of low-temperature heating pattern, since the high temperature and high pressure gas of compressor discharge first passes through vapour liquid separator
Condensation is equivalent to and preheats to vapour liquid separator.When being placed due to air conditioner low temperature, refrigerant can largely move to the vapour-liquid of outdoor unit
It is condensed in separator, is first preheated to vapour liquid separator, can prevent refrigerant from condensing, refrigerant is made to be constantly in steam state, prevent from compressing
The generation of machine liquid hit phenomenon recycles the refrigerant in pipeline rapidly, ensures that air-conditioning system operates normally, and improves system low
Reliability when temperature heating.
Preferably, the outdoor heat exchanger 5, for carrying out condensation process to the gas flowed through under normal refrigeration mode；
First four-way valve 2, is also used in normal refrigeration mode, the gas that compressor 4 is discharged is drained into described
Outdoor heat exchanger 5；
The outdoor heat exchanger 5 is also used to for condensed liquid being transported in the first circulation pipeline of air-conditioning.
Fig. 2 gives electrical structure schematic diagram of the air-conditioning under normal refrigeration mode, as shown in Fig. 2, in commonly refrigeration mould
Under formula:
System controls compressor 4 and starts, 2 power down of the first four-way valve, 6 power down of the second four-way valve, and electric expansion valve is opened, electricity
Magnet valve is opened；
High temperature and high pressure gas is discharged from exhaust outlet of compressor in system refrigerant, and the high temperature and high pressure gas successively passes through the one or four
Port valve, the second four-way valve, the liquid of medium temperature high pressure is condensed into outdoor heat exchanger, and the liquid of the medium temperature high pressure enters the room
After heat exchanger throttling, evaporation, become the gas of low-temp low-pressure, the gas of the low-temp low-pressure successively passes through the second four-way valve and vapour
Liquid/gas separator is directed back in compressor.
Preferably, the air-conditioning, further includes:
Indoor heat exchanger, for carrying out condensation process to the gas flowed through under common heating mode；
First four-way valve 2, is also used in common heating mode, and/or, in the non-start up rank of low-temperature heating pattern
Section, drains into the indoor heat exchanger for the gas that compressor 4 is discharged；
The indoor heat exchanger is also used to for condensed liquid being transported in the second circulation pipeline of air-conditioning.
Fig. 3 gives electrical structure schematic diagram of the air-conditioning under common heating mode, as shown in figure 3, in commonly heating mould
Under formula:
System controls compressor 4 and starts, 2 power down of the first four-way valve, and the second four-way valve 6 obtains electric, electric expansion valve unlatching, electricity
Magnet valve is opened；
High temperature and high pressure gas is discharged from exhaust outlet of compressor in system refrigerant, and the high temperature and high pressure gas successively passes through the one or four
Port valve, the second four-way valve, enter the room the liquid that heat exchanger is condensed into medium temperature high pressure, and the liquid of the medium temperature high pressure enters outdoor
Electric expansion valve throttling, the evaporation of heat exchanger, become the gas of low-temp low-pressure, the low temperature low pressure gas successively passes through the two or four
Port valve and vapour liquid separator, are directed back in compressor.
Preferably, the heat exchanger components 1, are also used to:
When the first mode is cryogenic refrigeration mode, condensed liquid is transported to the first circulation pipeline of air-conditioning
In, the first circulation pipeline are as follows: condensed circulation line under normal refrigeration mode；And/or
When the first mode is the startup stage of low-temperature heating pattern, condensed liquid is transported to the of air-conditioning
In two circulation lines, the second circulation pipeline are as follows: condensed circulation line under common heating mode.
Fig. 1 gives electrical structure schematic diagram of the air-conditioning under cryogenic refrigeration mode, as shown in Figure 1, in cryogenic refrigeration mould
Under formula:
System controls compressor 4 and starts, and the first four-way valve 2 obtains electric, 6 power down of the second four-way valve, and electric expansion valve is closed, electricity
Magnet valve is opened；
System refrigerant is from the gas of exhaust outlet of compressor discharge high temperature and pressure, and the gas of the high temperature and pressure is by vapour-liquid point
After device condensation, it is condensed into the liquid of medium temperature high pressure, after the liquid of the medium temperature high pressure enters the room heat exchanger throttling, evaporation,
Become the gas of low-temp low-pressure, the gas of the low-temp low-pressure successively passes through the second four-way valve and vapour liquid separator, is directed back to pressure
In contracting machine.
It is understood that under cryogenic refrigeration mode, since the heat exchange amount of heat exchanger components is less than changing for outdoor heat exchanger
Heat, after heat exchanger components condense, the degree of supercooling of system becomes smaller the high temperature and high pressure gas of the compressor discharge, is able to ascend
The evaporating temperature of indoor unit reduces the frequency of indoor unit starting anti-freeze protection, improves reliability of the system in cryogenic refrigeration.
Further it will be understood that the degree of superheat is generally divided into two during air conditioner refrigerating, one is discharge superheat,
The other is suction superheat；Discharge superheat subtracts pressure at expulsion equal to delivery temperature and corresponds to saturation temperature, discharge superheat
Be present to ensure that high pressure chest compressor air-discharging will not liquefy in high pressure chest, avoid refrigeration oil and be diluted；Suction superheat
Pressure of inspiration(Pi) is subtracted equal to suction temperature and corresponds to saturation temperature, and being present to ensure that for suction superheat returns to pressure without liquid refrigerants
Contracting machine avoids compressor liquid hammer.Therefore, the high temperature and high pressure gas of compressor discharge first passes through heat exchanger components condensation, enters back into and follows
Endless tube road also improves the compressor air suction degree of superheat and discharge superheat, improves the reliability of system.
Fig. 4 gives air-conditioning in the electrical structure schematic diagram of the startup stage of low-temperature heating pattern, as shown in figure 4, low
The startup stage of warm heating mode:
System control compressor 4 start, the first four-way valve 2 it is electric, the second four-way valve 6 it is electric, electric expansion valve open, electricity
Magnet valve is closed；
High temperature and high pressure gas is discharged from exhaust outlet of compressor in system refrigerant, and the high temperature and high pressure gas passes through vapour liquid separator
It is condensed into the liquid of medium temperature high pressure, the liquid of the medium temperature high pressure throttles by electric expansion valve, evaporates into outdoor heat exchanger,
Become the gas of low-temp low-pressure, the gas of the low-temp low-pressure successively passes through the second four-way valve and vapour liquid separator, is directed back to pressure
In contracting machine.
It is understood that in the startup stage of low-temperature heating pattern, since the high temperature and high pressure gas of compressor discharge is first
It is condensed by vapour liquid separator, is equivalent to and is preheated to vapour liquid separator.When being placed due to air conditioner low temperature, refrigerant can largely be migrated
It is condensed into the vapour liquid separator of outdoor unit, is first preheated to vapour liquid separator, can prevent refrigerant from condensing, be constantly in refrigerant
Steam state prevents the generation of compressor liquid hit phenomenon, recycles the refrigerant in pipeline rapidly, ensures that air-conditioning system is normally transported
Row improves reliability of the system in low-temperature heating.
Electrical principle of the air-conditioning in the non-start up stage of low-temperature heating pattern, with air-conditioning shown in Fig. 3 in commonly heating mould
Electrical principle under formula is identical, and details are not described herein.
Air-conditioning is in the startup stage or non-start up stage of low-temperature heating pattern, after being opened according to air-conditioning when
Length is judged.For example, the B minute after setting compressor start success is interior for startup stage.Described B minutes according to historical experience
Value, or be configured according to experimental data, such as be set as 5 minutes or 6 minutes etc..
Further it will be understood that the electrical structure schematic diagram as shown in FIG. 1 to FIG. 4, it will thus be seen that
1, the first four-way valve is mainly used for control switching cryogenic refrigeration mode and low-temperature heating pattern；Second four-way valve is main
Switch common refrigeration and common heating mode for controlling.
2, outdoor heat exchanger can be used as condenser and evaporator.
3, electric expansion valve primarily serves the effect of reducing pressure by regulating flow.
4, vapour liquid separator is mainly for separating of steam state and liquid refrigerants, anti-non-return liquid phenomenon.
Referring to Fig. 5, it is preferable that the bottom of the vapour liquid separator 2 is arranged in the heat exchanger components 1.
It is it is understood that the advantages of bottom of vapour liquid separator is arranged in heat exchanger components, easy for installation, contact is filled
Point, good effect of heat exchange.
Preferably, the contact portion of the heat exchanger components 1 and the vapour liquid separator 2 is also coated with Heat Conduction Material.
It is understood that the contact portion in heat exchanger components and vapour liquid separator is coated with Heat Conduction Material, it can be not
Under the premise of occupying extra installation space, the heat-conducting effect of heat exchanger components is further increased, user satisfaction is high.
Preferably, the Heat Conduction Material is electric silica gel.
Referring to Fig. 6, it is preferable that the heat exchanger components 1 are heat exchanger plates.
Preferably, the heat exchanger plates 1 are sticked on the vapour liquid separator 2.
Preferably, the heat exchanger plates 1 include:
Chassis 11 is fixedly mounted on the vapour liquid separator 2；And
Disk sets the hollow copper tubing 12 for being mounted on 11 surface of chassis.
It is understood that heat exchanger components use heat exchanger plates, and be sticked on vapour liquid separator, it is ensured that heat exchanger plates with
Vapour liquid separator comes into full contact with, and guarantees that heat transfer effect, user experience are high.
Fig. 7 is a kind of flow chart of control method shown according to an exemplary embodiment, as shown in fig. 7, this method packet
It includes:
Step S11, the current operation mode of air-conditioning is determined；
It step S12, is cryogenic refrigeration mode in the current operation mode, and/or, the startup stage of low-temperature heating pattern
When, the first four-way valve of control drains into the gas that compressor is discharged in heat exchanger components, so that the heat exchanger components are to flowing through
Gas carries out condensation process；
Wherein, the heat exchanger components are arranged on vapour liquid separator, and the heat exchange amount of the heat exchanger components is less than outdoor heat exchange
The heat exchange amount of device.
It should be noted that technical solution provided in this embodiment, suitable for above-mentioned air-conditioning.
Technical solution provided in this embodiment, under cryogenic refrigeration mode, since the heat exchange amount of heat exchanger components is less than outdoor
The heat exchange amount of heat exchanger, after heat exchanger components condense, the degree of supercooling of system becomes the high temperature and high pressure gas of the compressor discharge
It is small, it is able to ascend the evaporating temperature of indoor unit, the frequency of indoor unit starting anti-freeze protection is reduced, improves system in cryogenic refrigeration
When reliability.
In the startup stage of low-temperature heating pattern, since the high temperature and high pressure gas of compressor discharge first passes through vapour liquid separator
Condensation is equivalent to and preheats to vapour liquid separator.When being placed due to air conditioner low temperature, refrigerant can largely move to the vapour-liquid of outdoor unit
It is condensed in separator, is first preheated to vapour liquid separator, can prevent refrigerant from condensing, refrigerant is made to be constantly in steam state, prevent from compressing
The generation of machine liquid hit phenomenon recycles the refrigerant in pipeline rapidly, ensures that air-conditioning system operates normally, and improves system low
Reliability when temperature heating.
Preferably, the method, further includes:
When the operating mode is normal refrigeration mode, the first four-way valve of control drains into the gas that compressor is discharged
In the outdoor heat exchanger；
It controls the outdoor heat exchanger and condensation process is carried out to the gas flowed through, and condensed liquid is transported to air-conditioning
First circulation pipeline in.
Preferably, the method, further includes:
When the operating mode is common heating mode, and/or, in the non-start up stage of low-temperature heating pattern, control
First four-way valve drains into the gas that compressor is discharged in indoor heat exchanger；
It controls the indoor heat exchanger and condensation process is carried out to the gas flowed through, and condensed liquid is transported to air-conditioning
Second circulation pipeline in.
Preferably, the method, further includes:
When the first mode is cryogenic refrigeration mode, the heat exchanger components are controlled by condensed liquid and are transported to sky
In the first circulation pipeline of tune, the first circulation pipeline are as follows: condensed circulation line under normal refrigeration mode；And/or
When the first mode is the startup stage of low-temperature heating pattern, the heat exchanger components are controlled by condensed liquid
Body is transported in the second circulation pipeline of air-conditioning, the second circulation pipeline are as follows: condensed circulation pipe under common heating mode
Road.
As shown from the above technical solution, technical solution provided in this embodiment, compared with prior art, air-conditioner outdoor unit is added
Heat exchange structure and the first solenoid valve, on the basis of improved air conditioner structure, system control method is also changed.Low
The startup stage of warm refrigeration mode and low-temperature heating pattern first condenses the high temperature and high pressure gas of compressor discharge, then will
Condensed liquid drain is into circulation line, thus when improving cryogenic refrigeration and low-temperature heating, the reliability of system.And general
Under logical refrigeration mode or common heating mode, being cooperated by the first four-way valve and the second four-way valve, (the first four-way valve is main
For controlling switching cryogenic refrigeration mode and low-temperature heating pattern；Second four-way valve be mainly used for the common refrigeration of control switching with it is general
Logical heating mode), realize refrigerating/heating switching, control method is simple, and operating mode covering is comprehensive, system reliability and stabilization
Property it is good, user experience is high.
Preferably, the current operation mode of the determining air-conditioning, comprising:
According to the operating parameter of outdoor environment temperature and air-conditioning, the current operation mode of air-conditioning is determined.
Preferably, the operating parameter, comprising:
Operational mode, and/or, the operation duration after unlatching.
Preferably, the current operation mode of the determining air-conditioning, comprising:
If the outdoor environment temperature is equal to or less than the first preset temperature, and the operational mode of air-conditioning is refrigeration mode,
The current operation mode for determining air-conditioning is cryogenic refrigeration mode；
If the outdoor environment temperature is equal to or less than the first preset temperature, and the operational mode of air-conditioning is heating mode,
The current operation mode for determining air-conditioning is low-temperature heating pattern；
If the outdoor environment temperature is greater than the second preset temperature, and the operational mode of air-conditioning is refrigeration mode, is determined empty
The current operation mode of tune is normal refrigeration mode；
If the outdoor environment temperature is greater than the second preset temperature, and the operational mode of air-conditioning is heating mode, is determined empty
The current operation mode of tune is common heating mode.
It should be noted that the second preset temperature of the first preset temperature <, first preset temperature and second is in advance
If temperature, it is configured according to historical experience value or experimental data.
Preferably, the method, further includes:
If the outdoor environment temperature is greater than the first preset temperature, it is less than or equal to the second preset temperature, and the fortune of air-conditioning
Row mode is heating mode, determines that the current operation mode of air-conditioning is common heating mode；
If the outdoor environment temperature is greater than the first preset temperature, it is less than or equal to the second preset temperature, and the fortune of air-conditioning
Row mode is refrigeration mode, determines that the current operation mode of air-conditioning is normal refrigeration mode.
Preferably, the method, further includes:
If air-conditioning is opened with low-temperature heating pattern and run, after opening operation preset duration, switch the work at present mould of air-conditioning
Formula is common heating mode.
It is understood that run if air-conditioning is opened with low-temperature heating pattern, it is steady to system after opening operation preset duration
After fixed, then it is switched to common heating mode, the reliability of system can be improved.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (19)
1. a kind of air-conditioning characterized by comprising
Heat exchanger components are arranged on vapour liquid separator, for carrying out condensation process to the gas flowed through；The heat exchanger components change
Heat is less than the heat exchange amount of outdoor heat exchanger；
First four-way valve, in the flrst mode, the gas that compressor is discharged to be drained into the heat exchanger components；Described
One mode includes: cryogenic refrigeration mode, and/or, the startup stage of low-temperature heating pattern.
2. air-conditioning according to claim 1, which is characterized in that
The outdoor heat exchanger, for carrying out condensation process to the gas flowed through under normal refrigeration mode；
First four-way valve, is also used in normal refrigeration mode, and the gas that compressor is discharged is drained into the outdoor and is changed
Hot device；
The outdoor heat exchanger is also used to for condensed liquid being transported in the first circulation pipeline of air-conditioning.
3. air-conditioning according to claim 1 or 2, which is characterized in that further include:
Indoor heat exchanger, for carrying out condensation process to the gas flowed through under common heating mode；
First four-way valve, is also used in common heating mode, and/or, it, will in the non-start up stage of low-temperature heating pattern
The gas of compressor discharge drains into the indoor heat exchanger；
The indoor heat exchanger is also used to for condensed liquid being transported in the second circulation pipeline of air-conditioning.
4. air-conditioning according to claim 1, which is characterized in that the heat exchanger components are also used to:
When the first mode is cryogenic refrigeration mode, condensed liquid is transported in the first circulation pipeline of air-conditioning,
The first circulation pipeline are as follows: condensed circulation line under normal refrigeration mode；And/or
When the first mode is the startup stage of low-temperature heating pattern, second that condensed liquid is transported to air-conditioning is followed
In endless tube road, the second circulation pipeline are as follows: condensed circulation line under common heating mode.
5. air-conditioning according to claim 1, which is characterized in that
The bottom of the vapour liquid separator is arranged in the heat exchanger components.
6. air-conditioning according to claim 5, which is characterized in that
The contact portion of the heat exchanger components and the vapour liquid separator is also coated with Heat Conduction Material.
7. air-conditioning according to claim 6, which is characterized in that
The Heat Conduction Material is electric silica gel.
8. air-conditioning according to claim 1, which is characterized in that
The heat exchanger components are heat exchanger plates.
9. air-conditioning according to claim 8, which is characterized in that
The heat exchanger plates are sticked on the vapour liquid separator.
10. air-conditioning according to claim 8, which is characterized in that the heat exchanger plates include:
Chassis is fixedly mounted on the vapour liquid separator；And
Disk sets the hollow copper tubing for being mounted on the chassis surface.
11. a kind of control method characterized by comprising
Determine the current operation mode of air-conditioning；
It is cryogenic refrigeration mode in the current operation mode, and/or, when the startup stage of low-temperature heating pattern, control first
Four-way valve drains into the gas that compressor is discharged in heat exchanger components, so that the heat exchanger components condense the gas flowed through
Processing；
Wherein, the heat exchanger components are arranged on vapour liquid separator, and the heat exchange amount of the heat exchanger components is less than outdoor heat exchanger
Heat exchange amount.
12. according to the method for claim 11, which is characterized in that further include:
When the operating mode is normal refrigeration mode, the first four-way valve of control drains into the gas that compressor is discharged described
In outdoor heat exchanger；
It controls the outdoor heat exchanger and condensation process is carried out to the gas that flows through, and condensed liquid is transported to the of air-conditioning
In one circulation line.
13. method according to claim 11 or 12, which is characterized in that further include:
When the operating mode is common heating mode, and/or, in the non-start up stage of low-temperature heating pattern, control first
Four-way valve drains into the gas that compressor is discharged in indoor heat exchanger；
It controls the indoor heat exchanger and condensation process is carried out to the gas that flows through, and condensed liquid is transported to the of air-conditioning
In two circulation lines.
14. according to the method for claim 11, which is characterized in that further include:
When the first mode is cryogenic refrigeration mode, the heat exchanger components are controlled by condensed liquid and are transported to air-conditioning
In first circulation pipeline, the first circulation pipeline are as follows: condensed circulation line under normal refrigeration mode；And/or
When the first mode is the startup stage of low-temperature heating pattern, the heat exchanger components are controlled condensed liquid is defeated
It is sent in the second circulation pipeline of air-conditioning, the second circulation pipeline are as follows: condensed circulation line under common heating mode.
15. according to the method for claim 11, which is characterized in that the current operation mode of the determining air-conditioning, comprising:
According to the operating parameter of outdoor environment temperature and air-conditioning, the current operation mode of air-conditioning is determined.
16. according to the method for claim 15, which is characterized in that the operating parameter, comprising:
Operational mode, and/or, the operation duration after unlatching.
17. according to the method for claim 16, which is characterized in that the current operation mode of the determining air-conditioning, comprising:
If the outdoor environment temperature is equal to or less than the first preset temperature, and the operational mode of air-conditioning is refrigeration mode, is determined
The current operation mode of air-conditioning is cryogenic refrigeration mode；
If the outdoor environment temperature is equal to or less than the first preset temperature, and the operational mode of air-conditioning is heating mode, is determined
The current operation mode of air-conditioning is low-temperature heating pattern；
If the outdoor environment temperature is greater than the second preset temperature, and the operational mode of air-conditioning is refrigeration mode, determines air-conditioning
Current operation mode is normal refrigeration mode；
If the outdoor environment temperature is greater than the second preset temperature, and the operational mode of air-conditioning is heating mode, determines air-conditioning
Current operation mode is common heating mode.
18. according to the method for claim 17, which is characterized in that further include:
If the outdoor environment temperature is greater than the first preset temperature, it is less than or equal to the second preset temperature, and the operation mould of air-conditioning
Formula is heating mode, determines that the current operation mode of air-conditioning is common heating mode；
If the outdoor environment temperature is greater than the first preset temperature, it is less than or equal to the second preset temperature, and the operation mould of air-conditioning
Formula is refrigeration mode, determines that the current operation mode of air-conditioning is normal refrigeration mode.
19. according to the method for claim 17, which is characterized in that further include:
If air-conditioning is opened with low-temperature heating pattern and is run, after opening operation preset duration, determine that the current operation mode of air-conditioning is
Common heating mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213358.7A CN109269162A (en) | 2018-10-18 | 2018-10-18 | Air conditioner and control method |
| PCT/CN2018/122910 WO2020077830A1 (en) | 2018-10-18 | 2018-12-22 | Air conditioner and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213358.7A CN109269162A (en) | 2018-10-18 | 2018-10-18 | Air conditioner and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109269162A true CN109269162A (en) | 2019-01-25 |
Family
ID=65193008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213358.7A Pending CN109269162A (en) | 2018-10-18 | 2018-10-18 | Air conditioner and control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109269162A (en) |
| WO (1) | WO2020077830A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110920A (en) * | 2021-11-08 | 2022-03-01 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522805Y (en) * | 2001-10-10 | 2002-11-27 | 清华同方人工环境有限公司 | Gas-liquid separator used in heat-pump system |
| US20030230105A1 (en) * | 2002-06-12 | 2003-12-18 | Lg Electronics Inc. | Multi-type air conditioner and method for operating the same |
| CN105202663A (en) * | 2015-10-13 | 2015-12-30 | 侯根香 | Exhausting and heating heat pump air conditioning unit |
| CN209147520U (en) * | 2018-10-18 | 2019-07-23 | 珠海格力电器股份有限公司 | Air conditioner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275435A (en) * | 2005-03-30 | 2006-10-12 | Fujitsu General Ltd | Gas-liquid separator and air-conditioner |
| JP2008175433A (en) * | 2007-01-17 | 2008-07-31 | Matsushita Electric Ind Co Ltd | Gas-liquid separator for air conditioner, and air conditioner |
| CN102444967A (en) * | 2011-12-12 | 2012-05-09 | 青岛海尔空调电子有限公司 | Air-conditioning system waste heat recovery method and system thereof |
| CN207035591U (en) * | 2017-06-06 | 2018-02-23 | 中山市莱利科茨节能科技有限公司 | Gas-liquid separator and refrigeration system |
| CN207641223U (en) * | 2017-11-15 | 2018-07-24 | 广东米特拉电器科技有限公司 | A kind of gas-liquid separator of band supercooling |
| CN207635666U (en) * | 2017-12-07 | 2018-07-20 | 深圳市创信节能科技有限公司 | A kind of gas-liquid separator with superheater |
-
2018
- 2018-10-18 CN CN201811213358.7A patent/CN109269162A/en active Pending
- 2018-12-22 WO PCT/CN2018/122910 patent/WO2020077830A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522805Y (en) * | 2001-10-10 | 2002-11-27 | 清华同方人工环境有限公司 | Gas-liquid separator used in heat-pump system |
| US20030230105A1 (en) * | 2002-06-12 | 2003-12-18 | Lg Electronics Inc. | Multi-type air conditioner and method for operating the same |
| CN105202663A (en) * | 2015-10-13 | 2015-12-30 | 侯根香 | Exhausting and heating heat pump air conditioning unit |
| CN209147520U (en) * | 2018-10-18 | 2019-07-23 | 珠海格力电器股份有限公司 | Air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110920A (en) * | 2021-11-08 | 2022-03-01 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020077830A1 (en) | 2020-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4906894B2 (en) | Heat pump device and outdoor unit of heat pump device | |
| JP5641875B2 (en) | Refrigeration equipment | |
| US20110192181A1 (en) | Refrigerant system | |
| AU2006258762A1 (en) | Refrigeration system | |
| WO2008069559A1 (en) | Air conditioning system with heat recovery function | |
| JP3882056B2 (en) | Refrigeration air conditioner | |
| US20220186987A1 (en) | Heat source-side unit and refrigeration apparatus | |
| KR100796452B1 (en) | Heat pump and demist method | |
| JPH10267503A (en) | Method for circulating refrigerant for defrosting, and refrigerator using the method | |
| CN209147520U (en) | Air conditioner | |
| JP2007309585A (en) | Refrigerating device | |
| JP4622901B2 (en) | Air conditioner | |
| CN109269162A (en) | Air conditioner and control method | |
| JP3714348B2 (en) | Refrigeration equipment | |
| JP3998035B2 (en) | Refrigeration equipment | |
| JPH10160299A (en) | Freezer | |
| JP2013108729A (en) | Air conditioner | |
| JP4023387B2 (en) | Refrigeration equipment | |
| KR100470476B1 (en) | Cooling system | |
| KR100505236B1 (en) | Air-conditioner | |
| KR200300268Y1 (en) | refrigeration system | |
| JP6704513B2 (en) | Refrigeration cycle equipment | |
| JP2004116978A (en) | Controller for multi-room air conditioner | |
| KR100626756B1 (en) | Heat pump air-conditioner | |
| KR100468473B1 (en) | Air conditioning system |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |