CN106594994A - Method and system for automatic and quick start for power-off of unit as well as air conditioner - Google Patents
Method and system for automatic and quick start for power-off of unit as well as air conditioner Download PDFInfo
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- CN106594994A CN106594994A CN201611198491.0A CN201611198491A CN106594994A CN 106594994 A CN106594994 A CN 106594994A CN 201611198491 A CN201611198491 A CN 201611198491A CN 106594994 A CN106594994 A CN 106594994A
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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
- Electronic Switches (AREA)
Abstract
The invention relates to a method and a system for automatic and quick start for power-off of a unit as well as an air conditioner. The method comprises steps as follows: the operation state of a unit is detected, and operation parameters of the unit at the moment of power-off are recorded when the unit is powered off; when the unit is powered on, power-off faults are eliminated, and the unit enters the quick start phase; and when real-time working parameters of the unit reach the operation parameters at the moment of power-off, the quick start phase is ended, and the unit enters the normal operation state. With the method and the system, the function of automatic and quick start after power-off is increased, and the unit automatically enters the quick start phase under the conditions that the power-off time and the unit power-on temperature after power-on meet preset start conditions, so that the unit reaches the working parameters at the moment of power-off again, the restart time after power-off of the unit is shortened, and the load of the unit is prevented from fluctuating.
Description
Technical field
The present invention relates to technical field of electrical automation control, more particularly to a kind of unit power-off quick startup side automatically
Method, system and air-conditioning.
Background technology
Current centrifugal chiller does not have quick startup function, and if necessary to quick centrifugal chiller is started, when power-off occurs weight
During new incoming call, need artificial operation to change unit parameter and eliminate failure, so as to realize the purpose that unit is turned back on, shortcoming
For：Unit cannot realize automatic, and artificial operation is needed during power-off restarting.Especially it is powered off the running parameter of rear unit
Lose, need operator to reset new running parameter according to the instant load of unit, on the one hand cumbersome, the opposing party
The newly-installed running parameter in face there may be unmatched situation with the current workload of unit.
The content of the invention
The technical problem to be solved is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of unit power-off is automatic
Quick start method and system.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
According to one aspect of the present invention, there is provided a kind of automatic quick start method of unit power-off, comprise the steps：
Step 1：Detection operating states of the units, the operational factor of shutdown transient unit is recorded when unit power-off；
Step 2：On unit during electricity, disconnection fault is eliminated, and into quick startup stage；
Step 3：When the real time operation parameter of unit reaches the operational factor of shutdown transient, terminate quick startup stage simultaneously
Into normal operating condition.
A kind of automatic quick start method of unit power-off of the present invention, increased automatic quick startup function after power-off, and
Automatically into quick startup stage in the case that after the power-up electro-temperature meets default entry condition on power-off time and unit, make
The running parameter that unit reaches shutdown transient again is obtained, the time that unit power-off is restarted is shortened, it is ensured that unit load does not go out
Now fluctuate.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement：
Further：Judge whether unit is in being implemented as off-position in the step 1：When compressor emergency shutdown,
The voltage of detection unit end of incoming cables, if the voltage of unit end of incoming cables is zero, unit is in off-position, and otherwise unit is in
Non- off-position.
The beneficial effect of above-mentioned further scheme is：By detecting that the voltage of unit end of incoming cables can be with more convenient accurate
Judge that unit is in non-power-off stopped status in power-off stopped status, be easy to control unit to be in quick during off-position
Restarting.
Further：On unit during electricity, also acquisition is default judges parameter, and judges that parameter meets default trip bar default
Unit is controlled during part and enters quick startup stage.
The beneficial effect of above-mentioned further scheme is：Can be selectively to unit disconnected by arranging default entry condition
The situation of upper electricity carries out classification control after electricity, and and if only if the default judgement parameter controls unit when meeting default entry condition
Into quick startup stage, convenient for unit is gone up after a loss of power, electricity is automatic to be quickly actuated for control, it is to avoid without the need for quick
Start in the case of the situation of startup or inappropriate startup, so as to bring adverse consequencess.
Further：It is described default to judge parameter for the power-off between the unit shutdown transient supreme electric moment in the step 2
Time and it is upper electric when unit temperature.
Further：It is described pre-conditioned including the first default entry condition in the step 2, and described first default open
Dynamic condition is：The power-off time is less than or waits less than or equal to default starting time threshold value, and unit temperature when upper electric
In default start-up temperature threshold value.
The beneficial effect of above-mentioned further scheme is：Opening after unit power-off can be arranged with personalized by the way
Dynamic condition, switches especially for the power supply of short time, without the need for artificial operation, just can be restarted quickly unit, and retains
The running parameter of shutdown transient, is easy to unit quickly to reach the working condition before power-off, shortens starting time, reduces as far as possible
Impact of the power-off to unit normal work.
Further：In the step 2, it is described it is pre-conditioned also include the second default entry condition, and described second default
Entry condition is：Coasting time of the power-off time more than or equal to unit.
The beneficial effect of above-mentioned further scheme is：After the unit power-off can be controlled by the way, in unit
Coasting time terminate after, i.e., after unit quits work completely, then quickly start unit again, can so improve Unit Commitment
The safety of moment, reduces the mechanical damage of unit, extends the physical life of unit.
According to another aspect of the present invention, there is provided a kind of automatic quick start system of unit power-off, including power-off is known
Other module and main control module.The power-off identification module is used to detect the operating states of the units of unit；The main control module
For the operational factor for recording unit shutdown transient in unit power-off；It is additionally operable to eliminate disconnection fault during the electricity on unit, and
Into quick startup stage；When the real time operation parameter of unit reaches the operational factor of shutdown transient, terminate quick startup rank
Section simultaneously enters normal operating condition.
The automatic quick start system of a kind of unit power-off of the present invention, by break-make of the power-off identification module to unit
Electricity condition effectively recognized, and when re-powering after unit power-off, eliminates disconnection fault, and when power is off between and unit on
Electro-temperature was met when presetting entry condition automatically into quick startup stage so that unit reaches the work ginseng of shutdown transient again
Number, shortens the time that unit power-off is restarted, it is ensured that unit load occurs without fluctuation.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement：
Further：The power-off identification module includes shutting down detector unit and outage detection unit.It is described to shut down detection list
Unit is used to judge whether unit shuts down；The outage detection unit is arranged on unit end of incoming cables, for detecting in compressor emergency shutdown
The voltage of unit end of incoming cables, if the voltage of unit end of incoming cables is zero, unit is in off-position, and otherwise unit is in non-disconnected
Electricity condition.
The beneficial effect of above-mentioned further scheme is：Prejudge whether the unit stops by the shutdown detector unit
Machine, and whether off-position is in by the outage detection unit judges unit in compressor emergency shutdown, because unit is normal
Certainly "on" position is in during operating, situation during unit normal work can be so excluded, only the shutdown situation of unit is entered
One step judges, so as to realize that subsequently controlling unit in the power-off state is restarted quickly.
Further：On unit during electricity, the main control module is also obtained to preset and judges parameter, and judges parameter default
Control unit enters quick startup stage when meeting default entry condition.
The beneficial effect of above-mentioned further scheme is：Can be selectively to unit disconnected by arranging default entry condition
The situation of upper electricity carries out classification control after electricity, and and if only if the default judgement parameter controls unit when meeting default entry condition
Into quick startup stage, convenient for unit is gone up after a loss of power, electricity is automatic to be quickly actuated for control, it is to avoid without the need for quick
Start in the case of the situation of startup or inappropriate startup, so as to bring adverse consequencess.
Further：It is described it is default judge parameter for the power-off time between the unit shutdown transient supreme electric moment and it is upper electric when
Unit temperature.
Further：Pre-conditioned the presetting including first starts, and the described first default entry condition condition is：It is described
Power-off time is less than or equal to default starting time threshold value, and unit temperature when upper electric is less than or equal to default start-up temperature
Threshold value.
The beneficial effect of above-mentioned further scheme is：Opening after unit power-off can be arranged with personalized by the way
Dynamic condition, switches especially for the power supply of short time, without the need for artificial operation, just can be restarted quickly unit, and retains
The running parameter of shutdown transient, is easy to unit quickly to reach the working condition before power-off, shortens starting time, reduces as far as possible
Impact of the power-off to unit normal work.And when the power-off time is more than default starting time threshold value, or machine when upper electric
When group temperature is more than default start-up temperature threshold value, it is left intact, keeps unit to stay cool, is at this moment accomplished by operation
Personnel more meet actual rule of operation manually booting unit.
Further：It is described it is pre-conditioned also include the second default entry condition, and the described second default entry condition is：Institute
State coasting time of the power-off time more than or equal to unit.
The beneficial effect of above-mentioned further scheme is：Determine whether whether power-off time is big by the main control module
Can control after the unit power-off in the coasting time of unit, after the coasting time of unit terminates, i.e., unit stops completely
After work, then quickly start unit again, can so improve the safety of Unit Commitment moment, reduce the machinery damage of unit
Wound, extends the physical life of unit.
Present invention also offers a kind of air-conditioning, it adopts the described automatic quick start system of unit power-off.
Description of the drawings
Fig. 1 is a kind of automatic quick start method schematic flow sheet of unit power-off of the present invention；
Fig. 2 is a kind of automatic quick start system structural representation of unit power-off of the present invention.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
Embodiment one, a kind of automatic quick start method of unit power-off.Below in conjunction with a kind of machines of the Fig. 1 to the present embodiment
The automatic quick start method of group power-off describes in detail.
As shown in figure 1, a kind of automatic quick start method of unit power-off, comprises the steps：
Step 1：Detection operating states of the units, the operational factor of shutdown transient unit is recorded when unit power-off；
Step 2：On unit during electricity, disconnection fault is eliminated, and into quick startup stage；
Step 3：When the real time operation parameter of unit reaches the operational factor of shutdown transient, terminate quick startup stage simultaneously
Into normal operating condition.
In the present embodiment, judge whether unit is in being implemented as off-position in the step 1：Work as compressor emergency shutdown
When, the voltage of unit end of incoming cables is detected, if the voltage of unit end of incoming cables is zero, unit is in off-position, otherwise unit
In non-off-position.By detecting that the voltage of unit end of incoming cables can be shut down with more convenient accurate judgement unit in power-off
State is in non-power-off stopped status, is easy to control to be restarted quickly when unit is in off-position.
It is to be herein pointed out only unit just detects the voltage of unit unit end of incoming cables when shutting down, unit is judged
Whether off-position is in.Situation during unit normal work can be so excluded, only the shutdown situation of unit is further sentenced
It is disconnected, so as to realize that subsequently controlling unit in the power-off state is restarted quickly.
Certainly, in practice, the rotating speed of unit can also be detected by devices such as sensors to judge whether unit is located
In stopped status.Specifically, when the rotating speed of unit is zero, unit is shown in stopped status, otherwise unit is in operation shape
State.
On unit during electricity, also acquisition is default judges parameter, and judges that parameter meets default entry condition time control default
Unit processed enters quick startup stage.The feelings of electricity selectively can be after a loss of power gone up to unit by arranging default entry condition
Condition carries out classification control, and and if only if control unit enters quick startup when the default judgement parameter meets default entry condition
It is stage, convenient electric to be quickly actuated for control automatically for unit go up after a loss of power, it is to avoid in situation about need not quickly start or
Start in the case of the inappropriate startup of person, so as to bring adverse consequencess.
It is described it is default judge parameter for the power-off time between the unit shutdown transient supreme electric moment and it is upper electric when unit
Temperature.Certainly, default judgement parameter described here is also an option that the other specifications such as the work Asia green grass or young crops of unit as default judgement
Parameter, or plural unit parameter (such as temperature, power-off time and operating pressure) is chosen while as default judgement
Parameter carrys out the foundation to quickly starting as control unit.
It is described pre-conditioned including the first default entry condition in the step 2 in the present embodiment and described first pre-
If entry condition is：The power-off time is less than less than or equal to default starting time threshold value, and unit temperature when upper electric
Or equal to default start-up temperature threshold value.By the way can be with the personalized entry condition arranged after unit power-off, especially
Switch for the power supply of short time, without the need for artificial operation, just can be restarted quickly unit, and retain the work of shutdown transient
Make parameter, be easy to unit quickly to reach the working condition before power-off, shorten starting time, power-off is reduced as far as possible to unit just
The often impact of work.
Preferably, the default starting time threshold range is 1-5min, and the default start-up temperature threshold value is 0-60 degree.
Preferably, it is described it is pre-conditioned also include the second default entry condition, and the described second default entry condition is：Institute
State coasting time of the power-off time more than or equal to unit.After the unit power-off can be controlled by the way, in unit
After coasting time terminates, i.e., after unit quits work completely, then quickly start unit again, so can improve Unit Commitment wink
Between safety, reduce unit mechanical damage, extend unit physical life.
A kind of automatic quick start method of unit power-off of the present invention, increased automatic quick startup function after power-off, and
Automatically into quick startup stage in the case that after the power-up electro-temperature meets default entry condition on power-off time and unit, make
The running parameter that unit reaches shutdown transient again is obtained, the time that unit power-off is restarted is shortened, it is ensured that unit load does not go out
Now fluctuate.
Embodiment two, a kind of automatic quick start system of unit power-off.Below in conjunction with a kind of machines of the Fig. 2 to the present embodiment
The automatic quick start system of group power-off describes in detail.
As shown in Fig. 2 a kind of automatic quick start system of unit power-off, including power-off identification module and main control module.
The power-off identification module is used to detect the operating states of the units of unit；The main control module is used to be recorded in unit power-off
The operational factor of unit shutdown transient；It is additionally operable to eliminate disconnection fault during the electricity on unit, and into quick startup stage；Work as machine
When the real time operation parameter of group reaches the operational factor of shutdown transient, terminate quick startup stage and enter normal operating condition.
In the present embodiment, the power-off identification module includes shutting down detector unit and outage detection unit；It is described to shut down inspection
Surveying unit is used to judge whether unit shuts down；The outage detection unit is arranged on unit end of incoming cables, in compressor emergency shutdown
The voltage of detection unit end of incoming cables, if the voltage of unit end of incoming cables is zero, unit is in off-position, and otherwise unit is in
Non- off-position.Prejudge whether the unit shuts down by the shutdown detector unit, and pass through institute in compressor emergency shutdown
Outage detection unit judges unit is stated whether in off-position, because unit is in "on" position when running well certainly,
Situation during unit normal work can be so excluded, only the shutdown situation of unit is determined whether, so as to realize subsequently existing
Control unit under off-position to be restarted quickly.
On unit during electricity, the main control module also obtain it is default judge parameter, and to judge that parameter meets pre- presetting
If unit is controlled during entry condition enters quick startup stage.
It is described it is default judge parameter for the power-off time between the unit shutdown transient supreme electric moment and it is upper electric when unit
Temperature.
It is described pre-conditioned to be including the first default entry condition, and the described first default entry condition in the present embodiment：
The power-off time is less than or equal to default starting time threshold value, and unit temperature when upper electric is less than or equal to default startup
Temperature threshold.By the way can be with the personalized entry condition arranged after unit power-off, especially for the short time
Power supply switches, and without the need for artificial operation, just can be restarted quickly unit, and retains the running parameter of shutdown transient, is easy to machine
Group quickly reaches the working condition before power-off, shortens starting time, and impact of the power-off to unit normal work is reduced as far as possible.
And when the power-off time is more than default starting time threshold value, or unit temperature when upper electric is more than default start-up temperature threshold value
When, it is left intact, keep unit to stay cool, at this moment it is accomplished by operator to manually boot unit, more meet
Actual rule of operation.
Preferably, the default starting time threshold range is 1-5min, and the default start-up temperature threshold value is 0-60 degree.
Preferably, it is described it is pre-conditioned also include the second default entry condition, and the described second default entry condition is：Institute
State coasting time of the power-off time more than or equal to unit.Determine whether whether power-off time is more than by the main control module
The coasting time of unit can be controlled after the unit power-off, and after the coasting time of unit terminates, i.e., unit stops completely work
After work, then quickly start unit again, can so improve the safety of Unit Commitment moment, reduce the mechanical damage of unit,
Extend the physical life of unit.
It is noted that when coasting time of the power-off time less than or equal to unit, when unit needs to shut down one section
Between, quick startup stage is entered back into after the coasting time of unit terminates.
The automatic quick start system of a kind of unit power-off of the present invention, by break-make of the power-off identification module to unit
Electricity condition effectively recognized, and when re-powering after unit power-off, eliminates disconnection fault, and when power is off between and unit on
Electro-temperature was met when presetting entry condition automatically into quick startup stage so that unit reaches the work ginseng of shutdown transient again
Number, shortens the time that unit power-off is restarted, it is ensured that unit load occurs without fluctuation.
Present invention also offers a kind of air-conditioning, it adopts the described automatic quick start system of unit power-off.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (13)
1. the automatic quick start method of a kind of unit power-off, it is characterised in that comprise the steps：
Step 1：Detection operating states of the units, the operational factor of shutdown transient unit is recorded when unit power-off；
Step 2：On unit during electricity, disconnection fault is eliminated, and into quick startup stage；
Step 3：When the real time operation parameter of unit reaches the operational factor of shutdown transient, terminate quick startup stage and enter
Normal operating condition.
2. the automatic quick start method of unit power-off according to claim 1, it is characterised in that judge in the step 1
Whether unit is in being implemented as off-position：When compressor emergency shutdown, the voltage of unit end of incoming cables is detected, if unit enters
The voltage of line end is zero, then unit is in off-position, and otherwise unit is in non-off-position.
3. the automatic quick start method of unit power-off according to claim 1 and 2, it is characterised in that：On unit during electricity,
Also obtain to preset and judge parameter, and unit is controlled when presetting and judging that parameter meets default entry condition and enter quick startup rank
Section.
4. the automatic quick start method of unit power-off according to claim 3, it is characterised in that：The default judgement parameter
For the power-off time between the unit shutdown transient supreme electric moment and it is upper electric when unit temperature.
5. the automatic quick start method of unit power-off according to claim 4, it is characterised in that described in the step 2
It is pre-conditioned to be including the first default entry condition, and the described first default entry condition：The power-off time is less than or waits
In default starting time threshold value, and unit temperature when upper electric is less than or equal to default start-up temperature threshold value.
6. the automatic quick start method of unit power-off according to claim 5, it is characterised in that described in the step 2
It is pre-conditioned also to include that second presets entry condition, and the described second default entry condition is：The power-off time is more than or equal to
The coasting time of unit.
7. the automatic quick start system of a kind of unit power-off, it is characterised in that：Including power-off identification module and main control module；
The power-off identification module is used to detect the operating states of the units of unit；
The main control module is used to record the operational factor of unit shutdown transient in unit power-off；It is additionally operable to the electricity on unit
When eliminate disconnection fault, and into quick startup stage；When the real time operation parameter of unit reaches the operational factor of shutdown transient
When, terminate quick startup stage and enter normal operating condition.
8. the automatic quick start system of unit power-off according to claim 7, it is characterised in that：The power-off identification module
Including shutdown detector unit and outage detection unit；
The shutdown detector unit is used to judge whether unit shuts down；
The outage detection unit is arranged on unit end of incoming cables, for the voltage for detecting unit end of incoming cables in compressor emergency shutdown, such as
The voltage of fruit unit end of incoming cables is zero, then unit is in off-position, and otherwise unit is in non-off-position.
9. the automatic quick start system of unit power-off according to claim 8, it is characterised in that：On unit during electricity, institute
State main control module and also obtain to preset and judge parameter, and unit is controlled when presetting and judging that parameter meets default entry condition and enter
Quick startup stage.
10. the automatic quick start system of unit power-off according to claim 9, it is characterised in that：The default judgement ginseng
Number for the power-off time between the unit shutdown transient supreme electric moment and it is upper electric when unit temperature.
The automatic quick start system of 11. unit power-off according to claim 10, it is characterised in that：The pre-conditioned bag
The first default entry condition is included, and the described first default entry condition is：The power-off time is less than or equal to default startup
Time threshold, and unit temperature when upper electric is less than or equal to default start-up temperature threshold value.
The automatic quick start system of 12. unit power-off according to claim 11, it is characterised in that：It is described it is pre-conditioned also
It is including the second default entry condition, and the described second default entry condition：Running down of the power-off time more than or equal to unit
Time.
A kind of 13. air-conditionings, it is characterised in that：It adopts the unit power-off described in any one of claim 7-12 quickly to start automatically
System.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198491.0A CN106594994B (en) | 2016-12-22 | 2016-12-22 | A kind of unit powers off automatic quick start method, system and air-conditioning |
| PCT/CN2017/097699 WO2018113323A1 (en) | 2016-12-22 | 2017-08-16 | Method and system for automatically and rapidly starting up unit after de-energization, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198491.0A CN106594994B (en) | 2016-12-22 | 2016-12-22 | A kind of unit powers off automatic quick start method, system and air-conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN106594994A true CN106594994A (en) | 2017-04-26 |
| CN106594994B CN106594994B (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611198491.0A Active CN106594994B (en) | 2016-12-22 | 2016-12-22 | A kind of unit powers off automatic quick start method, system and air-conditioning |
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| CN (1) | CN106594994B (en) |
| WO (1) | WO2018113323A1 (en) |
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| CN110410935A (en) * | 2019-08-09 | 2019-11-05 | 宁波奥克斯电气股份有限公司 | A kind of control method of air-conditioning power down Auto Power On |
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| CN114165730B (en) * | 2021-12-06 | 2024-11-19 | 武汉科技大学 | A one-button pressurization intelligent control method for mixed gas |
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| CN112783678A (en) * | 2019-11-11 | 2021-05-11 | 上海博泰悦臻电子设备制造有限公司 | Vehicle-mounted terminal power-off processing method and system and vehicle-mounted terminal |
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| CN114893921B (en) * | 2022-05-24 | 2023-08-08 | 青岛海信日立空调系统有限公司 | Magnetic suspension water chilling unit |
| CN117991653A (en) * | 2024-04-07 | 2024-05-07 | 珠海格力电器股份有限公司 | Control method and device of equipment, computer equipment and storage medium |
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| Publication number | Publication date |
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| WO2018113323A1 (en) | 2018-06-28 |
| CN106594994B (en) | 2019-07-26 |
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