CN110068107A - A kind of modularity control method - Google Patents
A kind of modularity control method Download PDFInfo
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- CN110068107A CN110068107A CN201910274597.1A CN201910274597A CN110068107A CN 110068107 A CN110068107 A CN 110068107A CN 201910274597 A CN201910274597 A CN 201910274597A CN 110068107 A CN110068107 A CN 110068107A
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- water temperature
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- 238000000034 method Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000008400 supply water Substances 0.000 claims abstract description 29
- 230000002528 anti-freeze Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000008014 freezing Effects 0.000 claims abstract description 5
- 238000007710 freezing Methods 0.000 claims abstract description 5
- 241001653634 Russula vesca Species 0.000 claims abstract description 4
- 238000010257 thawing Methods 0.000 claims description 18
- 238000005057 refrigeration Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 13
- 235000013399 edible fruits Nutrition 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002123 temporal effect Effects 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F24F11/41—Defrosting; Preventing freezing
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- 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
Abstract
The invention discloses a kind of modularity control methods, its system includes at least 2 air-conditioner sets, water pump and several connections, air-conditioner set includes compressor, water-side heat, the second heat exchanger, throttle mechanism, controller, the supply water temperature sensor and return water temperature sensor installed in the water side of water-side heat for water return outlet, after more air-conditioner sets carry out modularization joint control, with the supply and return water temperature of host, modular system can regulate and control benchmark processed as a whole, according to judgement can be adjusted to carry out calculating the condition that can flirt；Host can transfer works according to supply and return water temperature judgement, if currently needing off-load, standby, antifreeze and currently running unit quantity of freezing greater than 1, it is not protected in operating unit in calculating current system, can off-load unit unit number of units NP.The present invention passes through hardware simplicity, simply communicates the team control for realizing machine group between unit, realizes stable operation, the stable operation of unit of supply and return water temperature, realizes unit equilibrium operating, energy-saving run.
Description
Technical field
The present invention relates to air source heat pump technical field, in particular to a kind of modularity control method.
Background technique
Current domestic heat pump water-heating machine in the market, many heat pump water-heating machine control methods majorities are single machine control, only
One small part unit is modularity control, but the control program of the heat pump water-heating machine of this sub-fraction modellingization control is also ginseng
It is incompatible according to the service condition of central air-conditioning control methods and heat pump water-heating machine, modularization effect and purpose is not achieved.
Existing technology can not realize team control control when more air-conditioner hosts are mounted in a water system, run model
Enclose it is small, adjust heating capacity ability it is limited.
Summary of the invention
Invention is designed to provide a kind of modularity control method, by hardware simplicity, simply communicates between unit
Stable operation, the stable operation of unit of supply and return water temperature are realized in the team control for realizing machine group, realize unit equilibrium operating, energy conservation
Operation, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of modularity control method, system include extremely
Few 2 air-conditioner sets, water pump and several connections, water pump are connect by water pipe with air-conditioner set, and the air-conditioner set includes
Compressor, the second heat exchanger, throttle mechanism, controller, is installed for water return outlet in the water side of water-side heat water-side heat
Supply water temperature sensor and return water temperature sensor, compressor connect water-side heat and the second heat exchanger, compression by water pipe
Machine connects controller by connection, installs throttle mechanism, supply water temperature on the connection that controller is connected with water-side heat
Sensor and return water temperature sensor, are numbered the air-conditioner set, set wherein that a unit is host, other machines
Group is slave, the main control unit by host as modularity control, according to the supply water temperature of host or/and return water temperature and in advance
If the deviation of target temperature, judge whether unit needs plus unload or mostly extraordinarily unload, alternatively, according to the supply water temperature of host
Or/and return water temperature and pre-set target temperature deviation and supply water temperature or/and return water temperature and change rate, to judge machine
Whether group needs plus unloads or mostly extraordinarily unload.
Further, the water pump is connected on the controller of air-conditioner set by connection.
A kind of modularity control method, includes the following steps:
S1: after more air-conditioner sets carry out modularization joint control, with the supply and return water temperature of host modularization system as a whole
System can regulate and control benchmark processed, judge to carry out to calculate the condition that can flirt according to that can adjust；
S2: host controls slave plus unloading and standby, when if necessary to load, preferentially load it is in operating status lower and
The minimum unit of not protected running frequency；If having ready conditions identical unit, the shortest unit load of runing time；
If also having ready conditions identical unit, loaded by the minimum unit of unit sequential value；
S3: when if necessary to off-load, preferential off-load lower and not protected running frequency in operating status is highest
Unit；If having ready conditions identical unit, the shortest unit load of runing time；If also having ready conditions identical unit,
By the unit load that unit sequential value is minimum；
S4: if necessary to increase unit, then the shortest unit of runing time in the unit for not receiving protection is preferentially opened, such as
Fruit is also had ready conditions identical unit, then the unit load minimum by unit sequential value；
S5: host can transfer work according to supply and return water temperature judgement, if currently needing to load, calculate and run in current system
The number of units NP of unit unit that is not protected in unit, can loading；
S6: host can transfer work according to supply and return water temperature judgement, if currently needed, off-load, standby, refrigeration is antifreeze and works as
The unit quantity of preceding operation is less than or equal to 1, then presses single machine off-load, standby operation；
S7: host can transfer work according to supply and return water temperature judgement, if currently needed, off-load, standby, refrigeration is antifreeze and works as
The unit quantity of preceding operation is greater than 1, calculate in current system it is not protected in operating unit, can off-load unit unit platform
Number NP；
S8: it defrosting control: if current operating unit number of units is less than or equal to 1, is handled by the single unit method of operation, such as
The current operating unit number of units of fruit is greater than 1, then after having unit to reach defrosting condition, only allows at most current operation in temporal sequence
1/2 unit of unit enters defrosting, once there is unit to enter defrosting, then correspond to by do not receive protection, be in standby
Unit, which is pressed, opens heating operation to equal number of units.
Further, the unit of S1 can adjust be subject to host transmission can adjust requirement, and the autoprotection of unit controls excellent
First.
Further, S2 can only control the slave under operation or standby mode, and the slave being not yet switched on is uncontrolled.
Further, S5 the following steps are included:
S501: the unit that cannot subtract load refers to that frequency will decrease to the highest frequency value of operation operation or limited not
Raising frequency or by limitation raising frequency, or it is continuous re-loaded and actual motion frequency does not increase if that's the case once there is frequency
Rate has increase then to exit the identification；
S502: if NP > 1, in unit number of units NM≤current system that basis loads if necessary in operating unit not
The number of units NP of shielded unit is then loaded (1X load) by above-mentioned running selection NM platform unit；If fruit NM ∈ (NP, 2*
NP], then select this NP platform unit to carry out 2X load；If fruit NM ∈ (2*NP, 3*NP], then it selects this NP platform unit to carry out 3X and adds
It carries；If fruit NM > 3*NP, this NP platform unit is selected to carry out 4X load；
S503: it if NP=1, directly corresponds to the unit and carries out corresponding to more times of loads；
S504: if NP=0, and currently calculating can be adjusted to belong to 3X load and the above load demand according to host, then it allows not
Shielded, standby unit carries out standby starting and transmission load signal, and 3 can adjust in the period no longer to other units hair
Send load signal；
S505: if NP=0, and currently calculating could be adjusted to belong to 2X load and following loading demand, instinct according to host
The period is adjusted not adjust.
Further, S7 the following steps are included:
S701: the unit for being unable to off-load refers to that frequency will decrease to the lowest frequency value of operation operation or subtract for continuous 2 times
It carries and actual motion frequency is not reduced, exits the identification if the frequency of occurrences is reduced if that's the case；
S702: if NP > 2, if needing off-load according to energy mileometer adjustment lattice, [NP*2/3] (rounding) unit is carried out
Off-load；If standby according to energy mileometer adjustment lattice needs, off-load is carried out to this NP platform；
S703: if NP=2, if needing off-load according to energy mileometer adjustment lattice, off-load is carried out to this NP platform unit；If
It is standby according to energy mileometer adjustment lattice needs, then 2 times of off-loads are carried out to this NP platform unit；
S704: it if NP=1, directly corresponds to the unit and carries out corresponding 3 times of off-loads；
S705: if NP=0, if needing off-load according to energy mileometer adjustment lattice, this period is uncomfortable whole；If continuous 3
Period requires off-load or needs are standby, then according to priority 1 unit is selected to carry out Opportunity awaiting control for linear, and in following 3 energy
It adjusts in the period without off-load or standby command；
S706: if occurred in refrigeration mode, 1 grade of anti-frost protection, then 1 unit is according to priority selected to carry out immediately standby
Control；If occurred in refrigeration mode, 1 grade of anti-frost protection, then according to priority selection [all operating unit number of units * 2/3] and
At least 2 immediately enter Opportunity awaiting control for linear.
Further, the controller of air-conditioner set is connected by control line with corresponding motor-driven valve, controls opening for its motor-driven valve
Close, the unit other than host, other units before activation first shift to an earlier date the TM1 time opens motor-driven valve or first in advance TM1 when
Between increase corresponding water pump；After compressor emergency shutdown, corresponding motor-driven valve is closed after the TM2 time or closes correspondence after the TM2 time
Water pump.
Further, according to host confession or/and return water temperature judge system need load, unloading, more times load or
More times of unloadings.
Further, if the supply water temperature that host supply water temperature or return water temperature sensor break down and be correspondingly arranged
Or return water temperature control, then host is automatically regulated to be with the slave without the failure, original host is adjusted to slave.
Compared with prior art, the beneficial effects of the present invention are:
1, modularity control method proposed by the present invention, by hardware simplicity, more air-conditioner hosts are mounted on a water system
In system, by the communication connection between daily unit, the team control for realizing machine group is simply communicated between unit.
2, modularity control method proposed by the present invention, host can transfer work according to supply and return water temperature judgement, if currently
Need to load, calculate not protected in operating unit, the number of units NP of unit unit that can load in current system, host according to
Supply and return water temperature judgement can transfer work, if off-load, standby, antifreeze and currently running unit quantity of freezing currently is needed to be less than
Equal to 1, then press single machine off-load, standby operation, host according to supply and return water temperature judgement can transfer work, if currently need off-load,
It is standby, refrigeration is antifreeze and currently running unit quantity is greater than 1, calculate in current system it is not protected in operating unit, can
The number of units NP of the unit unit of off-load then according to priority selects 1 unit vertical if occurred in refrigeration mode, 1 grade of anti-frost protection
Carry out Opportunity awaiting control for linear；If occurred in refrigeration mode, 1 grade of anti-frost protection realizes that the stable operation of supply and return water temperature, unit are steady
Fixed operation.
3, modularity control method proposed by the present invention, if current operating unit number of units is less than or equal to 1, by separate unit machine
Group method of operation processing, if current operating unit number of units is greater than 1, after having unit to reach defrosting condition, in temporal sequence
1/2 unit of at most current operating unit is only allowed to enter defrosting, once there is unit to enter defrosting, then correspondence will not receive protection
, the unit being in standby by equal number of units open heating operation, realize unit equilibrium operating, energy-saving run.
Detailed description of the invention
Fig. 1 is system structure diagram 1 of the invention；
Fig. 2 is system structure diagram 2 of the invention；
Fig. 3 is the composition schematic diagram of air-conditioner set of the invention.
Fig. 4 is load flow chart of the invention；
Fig. 5 is off-load flow chart of the invention.
In figure: 1, air-conditioner set；11, compressor；12, water-side heat；13, the second heat exchanger；14, throttle mechanism；15,
Controller；16, supply water temperature sensor；17, return water temperature sensor；2, water pump；3, connection.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Such as Fig. 1-5, a kind of modularity control method, system includes at least 2 air-conditioner sets 1, water pump 2 and several logical
Line 3 is interrogated, water pump 2 is connect by water pipe with air-conditioner set 1, and air-conditioner set 1 is changed including compressor 11, water-side heat 12, second
Hot device 13, throttle mechanism 14, controller 15, the supply water temperature sensor 16 installed in the water side of water-side heat 12 for water return outlet
And return water temperature sensor 17, water pump 2 are connected on the controller 15 of air-conditioner set 1 by connection 3, are controlled by controller 15
The operation of water pump 2, compressor 11 connects water-side heat 12 by water pipe and the second heat exchanger 13, compressor 11 pass through connection
Throttle mechanism 14 is installed on the connection 3 of 3 connection controllers 15, controller 15 and the connection of water-side heat 12, supply water temperature passes
Sensor 16 and return water temperature sensor 17, pair air-conditioner set 1 be numbered, set wherein that a unit is host, other machines
Group is slave, the main control unit by host as modularity control, according to the supply water temperature of host or/and return water temperature and in advance
If the deviation of target temperature, judge unit whether need plus unloading or more extraordinarily unloading (such as 2X load, 3X load, 2X unloading,
Greatly then plus unloading is fast than target value deviation, otherwise plus unloading is slow), alternatively, according to the supply water temperature of host or/and return water temperature with
The deviation and supply water temperature or/and return water temperature of pre-set target temperature and change rate, to judge whether unit needs plus unload
It carries or mostly extraordinarily unloads (such as 2X load, 3X load, 2X unloading).Host, slave (setting address), unit are set in machine group
Start logic routinely logic, Ths: according to the return water temperature of the return water temperature of unit probe detection, unit can also be passed through
The supply water temperature of supply water temperature probe detection, is controlled by identical algorithm.
Change rate VThs=Ths (current)-Ths (last time) for defining Ths, according to return water temperature Ths and its variation feelings
Condition judges the state whether unit needs to act by the period, as host or non-joint control unit, then can adjust and correspond to according to itself
Into judgement, unit has been carried out joint control and as slave supply and return water temperature state, then can adjust and order is sent plus unloaded according to host
It carries out plus unloads, but protection is protected by the parameter of itself.
The controller of air-conditioner set is connected by control line with corresponding motor-driven valve, the switch of its motor-driven valve is controlled, in addition to master
Unit other than machine, first the TM1 time opens motor-driven valve to other units in advance before activation or first the TM1 time increases correspondence in advance
Water pump；After compressor emergency shutdown, corresponding motor-driven valve is closed after the TM2 time or closes corresponding water pump after the TM2 time；Entirely
Water system may may have motor-driven valve there are many mode, it is also possible to not have motor-driven valve, may need to increase water pump in control.
Load, unloading, more times of loads or the more times of unloadings that system needs are judged according to the confession of host or/and return water temperature.
Its decision logic is as follows:
Unit is controlled with Water temperature control or with return water temperature, can be configured in control.If it is selected with
Water temperature control, then unit plus unloading judge to be controlled with supply water temperature according to following logic, if select with return water temperature
Degree control, then unit plus unloading judge to be controlled with return water temperature according to following,
If 1, unit is set as heating mode, it is as follows:
| The deviation of supply water temperature or/and return water temperature and target value | Adjust code |
| [P1+DT*2,+∞) | It is standby |
| [P1+DT,P1+DT*2) | -2 |
| (P1,P1+DT) | -1 |
| (P1-DT,P1] | 0 |
| (P1-DT*2,P1-DT] | 1 |
| (P1-DT*3,P1-DT*2] | 1 |
| (-∞,P1-DT*3] | 2 |
If 2, unit is set as refrigeration mode, it is as follows:
Illustrate that: P1 is target water temperature, setup parameter, DT is setup parameter, supply water temperature or/and return water temperature according to supplying back
Water temperature sensor detection.
According to the deviation and supply water temperature of the supply water temperature of host or/and return water temperature and pre-set target temperature or/and
Return water temperature and change rate, to judge whether unit needs plus unloading or more extraordinarily unloading (such as 2X load, 3X load, 2X
Unloading) judgment method:
According to the code that can adjust being adjustable in table, execution can transfer work accordingly, be as follows:
The invention also includes heating mode, refrigeration mode and work can be transferred.
(1) heating mode
Work as P6=0, then unit directly presses the maximum frequency operation of current state operation.
Work as P6=1, then judge that the table of unit action state is as follows:
Judge whether unit needs to add unloading or mostly extraordinarily (such as 2X is loaded, 3X is loaded, 2X unloading, compares target value for unloading
Greatly then plus unloading is fast, otherwise plus unloading is slow for deviation) judgment method.
(2) refrigeration mode
Work as P6=0, then unit directly presses the maximum frequency operation of current state operation.
Work as P6=1, then judge that the table of unit action state is as follows:
Illustrate that: P1 is target water temperature, setup parameter, DT is setup parameter, supply water temperature or/and return water temperature according to supplying back
Water temperature sensor detection.
(2) according to the code that can adjust being adjustable in table, execution can transfer work accordingly, be as follows:
A kind of modularity control method, the adjusting control of machine group, includes the following steps:
Step 1: after more air-conditioner sets 1 carry out modularization joint control, with the supply and return water temperature of host module as a whole
Change system can regulate and control benchmark processed, and according to judgement can be adjusted to carry out calculating the condition that can flirt, capable of adjusting for unit can be adjusted with what host was sent
Subject to it is required that, but the autoprotection control of unit is preferential；Even if host protected control logic limitation, still will according to itself
Modular system can be adjusted plus be unloaded supply and return water temperature as a whole, unless it is by the corresponding water supply of energy temperature regulating selection or return water problem
Sensor fault.If there is the temperature sensor fault, then by sequence do not receive protection, under standby or operating status from
For machine as host, original host becomes slave (its slave sequence is not replaced slave sequence)；
Step 2: host control slave plus unloading and it is standby, can only control in operation or standby mode under slave,
The slave being not yet switched on is uncontrolled, when if necessary to load, preferentially loads lower and not protected fortune in operating status
The minimum unit of line frequency；If having ready conditions identical unit, the shortest unit load of runing time；If also having ready conditions phase
Same unit, then the unit load minimum by unit sequential value；
Step 3: when if necessary to off-load, preferential off-load lower and not protected running frequency highest in operating status
Unit；If having ready conditions identical unit, the shortest unit load of runing time；If also having ready conditions identical unit,
The then unit load minimum by unit sequential value；
Step 4: if necessary to increase unit, then the shortest unit of runing time in the unit for not receiving protection preferentially being opened
It opens, if also having ready conditions identical unit, is loaded by the minimum unit of unit sequential value；
Step 5: host can transfer work according to supply and return water temperature judgement, if currently needing to load, calculate in current system
The number of units NP of unit unit that is not protected in operating unit, can loading, loads process such as Fig. 4；
(1) unit that cannot subtract load refers to that frequency will decrease to the highest frequency value of operation operation or must not limit
Raising frequency or by limitation raising frequency, once it is continuous re-loaded and actual motion frequency does not increase the frequency of occurrences if that's the case
There is increase then to exit the identification；
(2) if NP > 1, according to upper table if necessary in operating unit in unit number of units NM≤current system of load
The number of units NP of not protected unit is then loaded (1X load) by above-mentioned running selection NM platform unit；If fruit NM ∈ (NP,
2*NP], then select this NP platform unit to carry out 2X load；If fruit NM ∈ (2*NP, 3*NP], then it selects this NP platform unit to carry out 3X and adds
It carries；If fruit NM > 3*NP, this NP platform unit is selected to carry out 4X load；
(3) it if NP=1, directly corresponds to the unit and carries out corresponding to more times of loads；
(4) if NP=0, and currently according to host can adjust calculating belong to 3X load and the above load demand, then allow not by
Unit protect, standby carries out standby starting and transmission load signal, and 3 can adjust in the period no longer to the transmission of other units
Load signal；
(5) if NP=0, and currently calculating can be adjusted to belong to 2X load and following load demand, instinct tune according to host
Period does not adjust.
Step 6: host according to supply and return water temperature judgement can transfer work, if currently need off-load, it is standby, freeze it is antifreeze and
Currently running unit quantity is less than or equal to 1, then presses single machine off-load, standby operation；
Step 7: host according to supply and return water temperature judgement can transfer work, if currently need off-load, it is standby, freeze it is antifreeze and
Currently running unit quantity is greater than 1, calculate in current system it is not protected in operating unit, can off-load unit unit
Number of units NP, off-load process such as Fig. 5；
(1) unit for being unable to off-load refers to that frequency will decrease to the lowest frequency value or continuous 2 off-loads that operation is run
And actual motion frequency is not reduced, exits the identification if the frequency of occurrences is reduced if that's the case；
(2) if NP > 2, if needing off-load according to energy mileometer adjustment lattice, [NP*2/3] (rounding) unit is subtracted
It carries；If standby according to energy mileometer adjustment lattice needs, off-load is carried out to this NP platform；
(3) if NP=2, if needing off-load according to energy mileometer adjustment lattice, off-load is carried out to this NP platform unit；If root
It is standby according to energy mileometer adjustment lattice needs, then 2 times of off-loads are carried out to this NP platform unit；
(4) it if NP=1, directly corresponds to the unit and carries out corresponding 3 times of off-loads；
(5) if NP=0, if needing off-load according to energy mileometer adjustment lattice, this period is uncomfortable whole；If continuous 3 week
Phase requires off-load or needs are standby, then according to priority 1 unit is selected to carry out Opportunity awaiting control for linear, and can adjust at following 3
Without off-load or standby command in period；
(6) if occurred in refrigeration mode, 1 grade of anti-frost protection then according to priority selects 1 unit to carry out standby control immediately
System；If occurred in refrigeration mode, 1 grade of anti-frost protection, then according to priority selection [all operating unit number of units * 2/3] and extremely
Few 2 immediately enter Opportunity awaiting control for linear.
(7) it defrosting control: if current operating unit number of units is less than or equal to 1, is handled by the single unit method of operation, such as
The current operating unit number of units of fruit is greater than 1, then after having unit to reach defrosting condition, only allows at most current operation in temporal sequence
1/2 unit of unit enters defrosting, once there is unit to enter defrosting, then correspond to by do not receive protection, be in standby
Unit, which is pressed, opens heating operation to equal number of units.
In conclusion modularity control method proposed by the present invention, by hardware simplicity, more air-conditioner hosts are mounted on one
In a water system, by the communication connection between daily unit, the team control for realizing machine group is simply communicated between unit.Host
Work can be transferred according to supply and return water temperature judgement, if currently needing to load, is calculated not protected in operating unit in current system
, the number of units NP of the unit unit that can be loaded, host can transfer work according to supply and return water temperature judgement, if currently need off-load,
It is standby, refrigeration is antifreeze and currently running unit quantity is less than or equal to 1, then presses single machine off-load, standby operation, host is according to supplying back
Coolant-temperature gage judgement can transfer work, if off-load, standby, antifreeze and currently running unit quantity of freezing currently is needed to be greater than 1, meter
Calculate in current system it is not protected in operating unit, can off-load unit unit number of units NP, if occurred in refrigeration mode,
1 grade of anti-frost protection then according to priority selects 1 unit to carry out Opportunity awaiting control for linear immediately；If occurred in refrigeration mode, 1 grade antifreeze
Protection, realizes stable operation, the stable operation of unit of supply and return water temperature.If current operating unit number of units is less than or equal to 1, press
Single unit method of operation processing, if current operating unit number of units is greater than 1, after having unit to reach defrosting condition, on time
Between sequence only allow 1/2 unit of at most current operating units to enter defrosting, once there is unit to enter defrosting, then correspondence will not
Unit receiving protection, being in standby opens heating operation by equal number of units, realizes unit equilibrium operating, energy conservation
Operation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of modularity control method, system includes at least 2 air-conditioner sets (1), water pump (2) and several connections
(3), water pump (2) is connect by water pipe with air-conditioner set (1), which is characterized in that the air-conditioner set (1) includes compressor
(11), water-side heat (12), the second heat exchanger (13), throttle mechanism (14), controller (15), in water-side heat (12)
The supply water temperature sensor (16) and return water temperature sensor (17) that water side is installed for water return outlet, compressor (11) are connected by water pipe
Water-side heat (12) and the second heat exchanger (13) are connect, compressor (11) passes through connection (3) connection controller (15), controller
(15) and on the connection (3) of water-side heat (12) connection throttle mechanism (14), supply water temperature sensor (16) are installed and returned
The air-conditioner set (1) is numbered in water temperature sensor (17), sets wherein that a unit is host, other units
For slave, main control unit by host as modularity control, according to the supply water temperature of host or/and return water temperature and default
The deviation of target temperature, judges whether unit needs plus unload or mostly extraordinarily unload, alternatively, according to the supply water temperature of host
Or/and return water temperature and pre-set target temperature deviation and supply water temperature or/and return water temperature and change rate, to judge machine
Whether group needs plus unloads or mostly extraordinarily unload.
2. a kind of modularity control method according to claim 1, which is characterized in that the water pump (2) passes through connection
(3) it is connected on the controller (15) of air-conditioner set (1).
3. a kind of modularity control method according to claim 1, which comprises the steps of:
S1: after more air-conditioner sets (1) carry out modularization joint control, with the supply and return water temperature of host modular system as a whole
Can regulate and control benchmark processed, can flirt condition according to judgement can be adjusted calculate；
S2: host controls slave plus unloading and standby, when if necessary to load, preferentially load it is in operating status lower and not by
The minimum unit of the running frequency of protection；If having ready conditions identical unit, the shortest unit load of runing time；If
It also has ready conditions identical unit, then the unit load minimum by unit sequential value；
S3: when if necessary to off-load, the preferential off-load lower and not protected highest unit of running frequency in operating status；
If having ready conditions identical unit, the shortest unit load of runing time；If identical unit is also had ready conditions, by unit
The minimum unit load of sequential value；
S4: if necessary to increase unit, then preferentially opening the shortest unit of runing time in the unit for not receiving protection, if also
It has ready conditions identical unit, then the unit load minimum by unit sequential value；
S5: host can transfer work according to supply and return water temperature judgement, if currently needing to load, calculate operating unit in current system
In not protected, the number of units NP of unit unit that can load；
S6: host can transfer work according to supply and return water temperature judgement, if currently needing off-load, standby, antifreeze and current fortune of freezing
Capable unit quantity is less than or equal to 1, then presses single machine off-load, standby operation；
S7: host can transfer work according to supply and return water temperature judgement, if currently needing off-load, standby, antifreeze and current fortune of freezing
Capable unit quantity is greater than 1, calculate in current system it is not protected in operating unit, can off-load unit unit number of units
NP；
S8: it defrosting control: if current operating unit number of units is less than or equal to 1, is handled by the single unit method of operation, if worked as
Preceding operating unit number of units is greater than 1, then after having unit to reach defrosting condition, only allows at most current operating unit in temporal sequence
1/2 unit enter defrosting, once there is unit to enter defrosting, then correspond to unit not receiving protection, being in standby
Heating operation is opened by equal number of units.
4. a kind of modularity control method according to claim 3, which is characterized in that capable of adjusting for the unit of S1 is sent out with host
That send can adjust subject to requirement, and the autoprotection control of unit is preferential.
5. a kind of modularity control method according to claim 3, which is characterized in that S2 can only control in operation or to
Slave under machine state, the slave being not yet switched on are uncontrolled.
6. a kind of modularity control method according to claim 3, which is characterized in that S5 the following steps are included:
S501: the unit that cannot subtract load refers to that frequency will decrease to the highest frequency value of operation operation or must not limit and rises
Frequency or by limitation raising frequency, once it is continuous re-loaded and actual motion frequency does not increase the frequency of occurrences if that's the case and has
The identification is then exited in increase；
S502: if NP > 1, basis in operating unit in unit number of units NM≤current system of load if necessary to not protected
The number of units NP of the unit of shield is then loaded (1X load) by above-mentioned running selection NM platform unit；If fruit NM ∈ (NP, 2*NP],
This NP platform unit is then selected to carry out 2X load；If fruit NM ∈ (2*NP, 3*NP], then select this NP platform unit to carry out 3X load；If
Fruit NM > 3*NP then selects this NP platform unit to carry out 4X load；
S503: it if NP=1, directly corresponds to the unit and carries out corresponding to more times of loads；
S504: if NP=0, and currently calculating can be adjusted to belong to 3X load and the above load demand according to host, then it allows and is not protected
Shield, standby unit carries out standby starting and transmission load signal, and 3 can adjust no longer other units are sent in the period plus
Information carrying number；
S505: if NP=0, and currently calculating could be adjusted to belong to 2X load and following loading demand, instinct tune week according to host
Phase does not adjust.
7. a kind of modularity control method according to claim 3, which is characterized in that S7 the following steps are included:
S701: be unable to off-load unit refer to frequency will decrease to operation operation lowest frequency value or continuous 2 off-loads and
Actual motion frequency is not reduced, exits the identification if the frequency of occurrences is reduced if that's the case；
S702: if NP > 2, if needing off-load according to energy mileometer adjustment lattice, off-load is carried out to [NP*2/3] (rounding) unit；
If standby according to energy mileometer adjustment lattice needs, off-load is carried out to this NP platform；
S703: if NP=2, if needing off-load according to energy mileometer adjustment lattice, off-load is carried out to this NP platform unit；If according to
Energy mileometer adjustment lattice needs are standby, then carry out 2 times of off-loads to this NP platform unit；
S704: it if NP=1, directly corresponds to the unit and carries out corresponding 3 times of off-loads；
S705: if NP=0, if needing off-load according to energy mileometer adjustment lattice, this period is uncomfortable whole；If continuous 3 periods
It requires off-load or needs is standby, then according to priority 1 unit is selected to carry out Opportunity awaiting control for linear, and week can be adjusted at following 3
Without off-load or standby command in phase；
S706: if occurred in refrigeration mode, 1 grade of anti-frost protection then according to priority selects 1 unit to carry out standby control immediately
System；If occurred in refrigeration mode, 1 grade of anti-frost protection, then according to priority selection [all operating unit number of units * 2/3] and extremely
Few 2 immediately enter Opportunity awaiting control for linear.
8. a kind of modularity control method according to claim 3, which is characterized in that the controller of air-conditioner set (1)
(15) it is connected by control line with corresponding motor-driven valve, controls the switch of its motor-driven valve, the unit other than host, other units
First the TM1 time opens motor-driven valve in advance before activation or first the TM1 time increases corresponding water pump in advance；After compressor emergency shutdown,
Corresponding motor-driven valve is closed after the TM2 time or corresponding water pump is closed after the TM2 time.
9. a kind of modularity control method according to claim 1, which is characterized in that according to the confession of host or/and return water
Temperature judges load, unloading, more times of loads or the more times of unloadings that system needs.
10. a kind of modularity control method according to claim 1, it is characterised in that: if host supply water temperature or return
Supply water temperature or the return water temperature control that water temperature sensor breaks down and is correspondingly arranged, then it is automatic with the slave without the failure
It is adjusted to host, original host is adjusted to slave.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631283A (en) * | 2019-10-08 | 2019-12-31 | 广东纽恩泰新能源科技发展有限公司 | Loading and unloading control method and system for heat pump multi-machine parallel system |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004278814A (en) * | 2003-03-12 | 2004-10-07 | Sanyo Electric Co Ltd | Freezing device and its controlling method |
| JP2006071127A (en) * | 2004-08-31 | 2006-03-16 | Toyo Netsu Kogyo Kk | Cold/hot heat source machine output distribution control method for cold/hot water system |
| CN103375878A (en) * | 2012-04-26 | 2013-10-30 | 上海宝信软件股份有限公司 | Group control method for central air conditioning refrigerating unit |
| CN104913559A (en) * | 2015-06-15 | 2015-09-16 | 江苏苏源光一科技有限公司 | Method for refrigerating unit group control based on host coefficient of performance (COP) value |
| CN105042938A (en) * | 2015-08-06 | 2015-11-11 | 广东美的暖通设备有限公司 | Air-cooled heat pump hot and cold water dispenser system and loading and unloading control method thereof |
| CN105444482A (en) * | 2015-12-11 | 2016-03-30 | 重庆美的通用制冷设备有限公司 | Water-cooling water chilling unit and energy-saving operation control method thereof |
| CN105546757A (en) * | 2016-01-05 | 2016-05-04 | 珠海格力电器股份有限公司 | Group control method and system for water chilling units |
| CN106705476A (en) * | 2016-12-19 | 2017-05-24 | 大连圣鼎工业装备有限公司 | Modular type air source heat pump heat supply unit |
| CN106871492A (en) * | 2017-03-14 | 2017-06-20 | 挪信能源技术（上海）有限公司 | A kind of group control system of earth source heat pump |
| CN107655175A (en) * | 2017-10-28 | 2018-02-02 | 深圳市华科科技有限公司 | A kind of central air-conditioning group control energy-saving intelligence control system |
| CN108168030A (en) * | 2017-12-14 | 2018-06-15 | 南京师范大学 | A kind of intelligent control method based on refrigeration performance curve |
| CN108534394A (en) * | 2018-04-03 | 2018-09-14 | 安徽郁金香新能源科技有限公司 | A kind of earth source heat pump two-shipper group adds unloading team control optimal control method |
-
2019
- 2019-04-08 CN CN201910274597.1A patent/CN110068107B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004278814A (en) * | 2003-03-12 | 2004-10-07 | Sanyo Electric Co Ltd | Freezing device and its controlling method |
| JP2006071127A (en) * | 2004-08-31 | 2006-03-16 | Toyo Netsu Kogyo Kk | Cold/hot heat source machine output distribution control method for cold/hot water system |
| CN103375878A (en) * | 2012-04-26 | 2013-10-30 | 上海宝信软件股份有限公司 | Group control method for central air conditioning refrigerating unit |
| CN104913559A (en) * | 2015-06-15 | 2015-09-16 | 江苏苏源光一科技有限公司 | Method for refrigerating unit group control based on host coefficient of performance (COP) value |
| CN105042938A (en) * | 2015-08-06 | 2015-11-11 | 广东美的暖通设备有限公司 | Air-cooled heat pump hot and cold water dispenser system and loading and unloading control method thereof |
| CN105444482A (en) * | 2015-12-11 | 2016-03-30 | 重庆美的通用制冷设备有限公司 | Water-cooling water chilling unit and energy-saving operation control method thereof |
| CN105546757A (en) * | 2016-01-05 | 2016-05-04 | 珠海格力电器股份有限公司 | Group control method and system for water chilling units |
| CN106705476A (en) * | 2016-12-19 | 2017-05-24 | 大连圣鼎工业装备有限公司 | Modular type air source heat pump heat supply unit |
| CN106871492A (en) * | 2017-03-14 | 2017-06-20 | 挪信能源技术（上海）有限公司 | A kind of group control system of earth source heat pump |
| CN107655175A (en) * | 2017-10-28 | 2018-02-02 | 深圳市华科科技有限公司 | A kind of central air-conditioning group control energy-saving intelligence control system |
| CN108168030A (en) * | 2017-12-14 | 2018-06-15 | 南京师范大学 | A kind of intelligent control method based on refrigeration performance curve |
| CN108534394A (en) * | 2018-04-03 | 2018-09-14 | 安徽郁金香新能源科技有限公司 | A kind of earth source heat pump two-shipper group adds unloading team control optimal control method |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631283B (en) * | 2019-10-08 | 2021-04-09 | 广东纽恩泰新能源科技发展有限公司 | Loading and unloading control method for heat pump multi-machine parallel system |
| CN110631283A (en) * | 2019-10-08 | 2019-12-31 | 广东纽恩泰新能源科技发展有限公司 | Loading and unloading control method and system for heat pump multi-machine parallel system |
| CN110887177A (en) * | 2019-10-10 | 2020-03-17 | 南方电网综合能源股份有限公司 | Control method, equipment and storage medium for transformer substation air conditioner linkage |
| CN110864417A (en) * | 2019-11-27 | 2020-03-06 | 无锡同方人工环境有限公司 | Energy-saving control method, device and system for air conditioning system |
| CN110986289A (en) * | 2019-12-19 | 2020-04-10 | 江苏联宏智慧能源股份有限公司 | Air conditioner fan coil and modular variable frequency air conditioner host linkage control method |
| CN110986289B (en) * | 2019-12-19 | 2021-01-26 | 江苏联宏智慧能源股份有限公司 | Air conditioner fan coil and modular variable frequency air conditioner host linkage control method |
| CN110953628A (en) * | 2019-12-20 | 2020-04-03 | 珠海格力电器股份有限公司 | Multistage series heat pump system and control method thereof |
| CN111121219A (en) * | 2019-12-28 | 2020-05-08 | 维克（天津）有限公司 | Air-cooled module machine loading and unloading control mode |
| CN113834111A (en) * | 2020-06-24 | 2021-12-24 | 国网浙江省电力有限公司电力科学研究院 | Control method of natural gas distributed energy system |
| CN112728724A (en) * | 2021-02-01 | 2021-04-30 | 南京天加环境科技有限公司 | Energy adjusting mode of central air conditioning system |
| CN112728724B (en) * | 2021-02-01 | 2023-02-28 | 南京天加环境科技有限公司 | Energy adjusting mode of central air conditioning system |
| CN113237197A (en) * | 2021-05-31 | 2021-08-10 | 青岛海尔空调电子有限公司 | Air conditioning unit and control method thereof |
| CN113639493A (en) * | 2021-08-13 | 2021-11-12 | 广东纽恩泰新能源科技发展有限公司 | Module control method of low-temperature air source heat pump system |
| CN114413456A (en) * | 2022-01-14 | 2022-04-29 | 埃能科技(广州)有限公司 | Group control method and equipment for chilled water system of central air conditioner |
| CN114413456B (en) * | 2022-01-14 | 2023-09-08 | 埃能科技(广州)有限公司 | Group control method and equipment for chilled water system of central air conditioner |
| CN115451600A (en) * | 2022-09-21 | 2022-12-09 | 孚莱美科(江苏)环境科技有限公司 | Combined air-cooled modular unit and energy regulation and control method thereof |
| CN115451600B (en) * | 2022-09-21 | 2024-01-23 | 孚莱美科(江苏)环境科技有限公司 | Combined air-cooled module unit and energy control method thereof |
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