CN107741080A - Central air-conditioning starting-up method, device and central air-conditioning - Google Patents
Central air-conditioning starting-up method, device and central air-conditioning Download PDFInfo
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- CN107741080A CN107741080A CN201710946234.9A CN201710946234A CN107741080A CN 107741080 A CN107741080 A CN 107741080A CN 201710946234 A CN201710946234 A CN 201710946234A CN 107741080 A CN107741080 A CN 107741080A
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Abstract
The embodiment of the present invention provides a kind of starting-up method of central air-conditioning, device and central air-conditioning, belongs to air-conditioning technical field.A kind of starting-up method of central air-conditioning, this method include：When receiving start-up command, it is determined that the performance parameter on the central air-conditioning；According to the aggregate demand ability Q in the performance parameter with the central air-conditioningeRelevant performance parameter determines the aggregate demand ability Qe；According to the aggregate demand ability QeDetermine to influence the factor of central air-conditioning start with the performance parameter on the central air-conditioning to control at least one cooling tower, at least one cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units to open.The present invention can make central air-conditioning start shooting at steady state, smoothly enter steady operational status from open state, reduce energy resource consumption.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to central air-conditioning starting-up method, device and central air-conditioning.
Background technology
Large-size water-cooling central air conditioner system is that an equipment is more, the system for controlling complexity.Its system energy efficiency is by system
Equipment state, circuit design, outdoor climate and end load the factors such as change influence.Phase interaction between each factor
With complicated mechanism, Optimized Operation is all the pith for realizing economical operation in whole start and running.
In the start-up course of large-size water-cooling central air-conditioning, because the length of whole waterway circulating is grown, water is gone out from cold
More than 30min is usually required to cold is looped back.1h is even needed to complete once complete circulation for the cold station in center.Institute
There is large dead time effect with central air-conditioning, when starting, also because refrigeration unit is more, refrigerating water pump, cooling pump and cooling
The number of units of tower is more, and refrigeration unit is frequently necessary to be switched to more units from single unit, or even sometimes load judges inaccuracy
Could also stablize subtracting machine from more units, for cooling pump and refrigerating water pump also because flow it is initial indefinite, it is necessary to according to
System the temperature difference Real-time frequency conversion operation, can not fast and stable get off, it is possible to there is flow phenomenon bigger than normal, blower fan of cooling tower
It is likely to occur the power consumption phenomenon of standard-sized sheet.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of central air-conditioning starting-up method, device and central air-conditioning, the center
Air-conditioning starting-up method, device and central air-conditioning can make central air-conditioning start shooting at steady state, smoothly from open state
Into steady operational status, energy resource consumption is reduced.
To achieve these goals, the embodiment of the present invention provides a kind of starting-up method of central air-conditioning, and the central hollow is stealthily substituted
Include at least one cooling tower, at least one cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units, this method
Including：When receiving start-up command, it is determined that the performance parameter on the central air-conditioning；According in the performance parameter with it is described
The aggregate demand ability Q of central air-conditioningeRelevant performance parameter determines the aggregate demand ability Qe；According to the aggregate demand ability Qe
Determine that the factor for influenceing the central air-conditioning start is described at least one to control with the performance parameter on the central air-conditioning
Cooling tower, at least one cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units are opened.
Preferably, the performance parameter on the central air-conditioning includes：The indoor wet-bulb temperatures T of every air-conditioningIt is interior, chilled water
Supply water temperature T1, every air-conditioning standard wet-bulb temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning
Standard capability QMark, chilled water return water temperature T2, chilled water inflow temperature T3, cooling water return water temperature T4, cooling water leaving water temperature
T5, water specific heat capacity C and outdoor wet-bulb temperature TOutside。
Preferably, it is described according in the performance parameter with the aggregate demand ability QeDescribed in relevant performance parameter determines
Aggregate demand ability QeIncluding：According to the indoor wet-bulb temperatures T of every air-conditioningIt is interior, the chilled water supply water temperature T1, it is described every
The standard wet-bulb temperature T of platform air-conditioningIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning mark
Quasi- ability QMarkDetermine the requirement capability Q of every air-conditioningn；Add the requirement capability Q with every air-conditioningnIt is described total to obtain
Requirement capability Qe。
Preferably, it is described according to the aggregate demand ability QeDetermine to influence institute with the performance parameter on the central air-conditioning
State the factor of central air-conditioning start is included with controlling at least one chilled water pump to open：According to the aggregate demand ability Qe、
The chilled water return water temperature T2, the chilled water inflow temperature T3And the specific heat capacity C of water determines at least one chilled water pump
Initial flow MFreeze；According to the initial flow M of at least one chilled water pumpFreezeAt least one chilled water pump is controlled to open.
Preferably, according to the aggregate demand ability QeIn determining that influence is described with the performance parameter on the central air-conditioning
The factor of centre air-conditioning start is included with controlling at least one handpiece Water Chilling Units to open：By by the aggregate demand ability QeWith not
The same method of salary distribution is distributed at least one handpiece Water Chilling Units corresponding with each method of salary distribution at least one to be calculated
The efficiency of handpiece Water Chilling Units；With efficiency COP maximum in the efficiencymaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe；
The requirement capability control at least one handpiece Water Chilling Units being allocated according at least one handpiece Water Chilling Units are opened.
Preferably, it is described according to the aggregate demand ability QeDetermine to influence institute with the performance parameter on the central air-conditioning
State the factor of central air-conditioning start is included with controlling at least one cooling water pump to open：According to the aggregate demand ability Qe、
The cooling water return water temperature T4, the cooling water leaving water temperature T5, the maximum efficiency COPmaxAnd the specific heat capacity C of water is true
The initial flow M of fixed at least one cooling water pumpBut；According to the initial flow M of at least one cooling water pumpButControl institute
At least one cooling water pump is stated to open.
Preferably, it is determined that influenceing the initial flow M at least one cooling water pump that at least one cooling water pump is openedBut
Including：According to the aggregate demand ability QeWith the maximum efficiency COPmaxIt is determined that condensation thermal discharge Qc；According to condensation thermal discharge
Qc, the cooling water return water temperature T4, the cooling water leaving water temperature T5And the specific heat capacity C of water determine it is described at least one cold
But the initial flow M of water pumpBut。
Preferably, it is described according to the aggregate demand ability QeDetermine to influence institute with the performance parameter on the central air-conditioning
State the factor of central air-conditioning start is included with controlling the blower fan of at least one cooling tower to open：Determine the cooling water water outlet
Temperature T5With the outdoor wet-bulb temperature TOutsideDifference；According to the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutside's
Difference controls the blower fan of at least one cooling tower to open.
Preferably, the opening sequence for the equipment that the central air-conditioning includes is：Open the wind of at least one cooling tower
Machine；Open at least one cooling water pump；Open at least one chilled water pump；And open at least one cold water
Unit.
Preferably, the requirement capability Q of every air-conditioningnCalculated by below equation：Wherein,
TIt is interiorFor indoor wet-bulb temperatures, the T of every air-conditioning1For the chilled water supply water temperature, TIn markFor the standard wet bulb of every air-conditioning
Temperature, TMark 1For standard chilled water supply water temperature, the Q of every air-conditioningMarkFor the standard capability of every air-conditioning.
Preferably, the initial flow M of at least one chilled water pumpFreezeCalculated by below equation：Wherein, QeFor the aggregate demand ability, T2For the chilled water return water temperature, T3Enter for the chilled water
Coolant-temperature gage, the specific heat capacity that C is water.
Preferably, the condensation thermal discharge QcCalculated by below equation：Wherein, QeFor institute
State aggregate demand ability, COPmaxFor the maximum efficiency.
Preferably, the initial flow M of at least one cooling water pumpButCalculated by below equation：Wherein, QcFor condensation thermal discharge, T4For the cooling water return water temperature, T5Go out water temperature for the cooling water
Degree, the specific heat capacity that C is water.
The embodiment of the present invention also provides a kind of opening device of central air-conditioning, and the central air-conditioning includes at least one cooling
Tower, at least one cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units, the device include：Detection unit
And control unit, wherein, the detection unit is used for when receiving start-up command, it is determined that the performance on the central air-conditioning is joined
Number；Described control unit is used for according to the aggregate demand ability Q in the performance parameter with the central air-conditioningeRelevant performance ginseng
Number determines the aggregate demand ability Qe；According to the aggregate demand ability QeShadow is determined with the performance parameter on the central air-conditioning
Ring the factor of central air-conditioning start with control at least one cooling tower, at least one cooling water pump, it is described extremely
A few chilled water pump and at least one handpiece Water Chilling Units are opened.
Preferably, the performance parameter on the central air-conditioning includes：The indoor wet-bulb temperatures T of every air-conditioningIt is interior, chilled water
Supply water temperature T1, every air-conditioning standard wet-bulb temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning
Standard capability QMark, chilled water return water temperature T2, chilled water inflow temperature T3, cooling water return water temperature T4, cooling water leaving water temperature
T5, water specific heat capacity C and outdoor wet-bulb temperature TOutside。
Preferably, described control unit is additionally operable to：According to the indoor wet-bulb temperatures T of every air-conditioningIt is interior, the chilled water
Supply water temperature T1, every air-conditioning standard wet-bulb temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1、
The standard capability Q of every air-conditioningMarkDetermine the requirement capability Q of every air-conditioningn；Add the demand energy with every air-conditioning
Power QnTo obtain the aggregate demand ability Qe。
Preferably, described control unit is additionally operable to：According to the aggregate demand ability Qe, the chilled water return water temperature T2, institute
State chilled water inflow temperature T3And the specific heat capacity C of water determines the initial flow M of at least one chilled water pumpFreeze；According to it is described extremely
The initial flow M of a few chilled water pumpFreezeAt least one chilled water pump is controlled to open.
Preferably, described control unit is additionally operable to include：By by the aggregate demand ability QeWith the different methods of salary distribution
Distribute at least one handpiece Water Chilling Units so that the energy of at least one handpiece Water Chilling Units corresponding with each method of salary distribution is calculated
Effect；With efficiency COP maximum in the efficiencymaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe；According to it is described at least
The allocated requirement capability control at least one handpiece Water Chilling Units of one handpiece Water Chilling Units are opened.
Preferably, described control unit is additionally operable to：According to the aggregate demand ability Qe, the cooling water return water temperature T4, institute
State cooling water leaving water temperature T5, the maximum efficiency COPmaxAnd the specific heat capacity C of water determines at least one cooling water pump
Initial flow MBut；According to the initial flow M of at least one cooling water pumpButAt least one cooling water pump is controlled to open
Open.
Preferably, described control unit is additionally operable to：According to the aggregate demand ability QeWith the maximum efficiency COPmaxReally
Surely thermal discharge Q is condensedc；According to condensation thermal discharge Qc, the cooling water return water temperature T4, the cooling water leaving water temperature T5And
The specific heat capacity C of water determines the initial flow M of at least one cooling water pumpBut。
Preferably, described control unit is additionally operable to：Determine the cooling water leaving water temperature T5With the outdoor wet-bulb temperature
TOutsideDifference；According to the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference control at least one cooling tower
Blower fan open.
Preferably, the opening sequence for the equipment that the central air-conditioning includes is：Open the wind of at least one cooling tower
Machine；Open at least one cooling water pump；Open at least one chilled water pump；And open at least one cold water
Unit.
The present invention also provides a kind of central air-conditioning, and the central air-conditioning includes the opening device of central air-conditioning described above.
Pass through above-mentioned technical proposal, should using central air-conditioning starting-up method, device and central air-conditioning provided by the invention
Method includes：When receiving start-up command, it is determined that the performance parameter on the central air-conditioning；According in the performance parameter with
The aggregate demand ability Q of the central air-conditioningeRelevant performance parameter determines the aggregate demand ability Qe；According to the aggregate demand energy
Power QeDetermine to influence the factor of central air-conditioning start with the performance parameter on the central air-conditioning with control it is described at least
One cooling tower, at least one cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units
Open.Indoor load before being started shooting by Accurate Prediction central air-conditioning, by refrigerating water pump, cooling pump, cooling tower and handpiece Water Chilling Units
Accurately open under stable state corresponding to the load, smoothly can enter steady operational status from open state, reduce energy
Source consumes.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and a part for constitution instruction, with
The embodiment in face is used to explain the embodiment of the present invention together, but does not form the limitation to the embodiment of the present invention.Attached
In figure：
Fig. 1 is the flow chart of the starting-up method for the central air-conditioning that one embodiment of the invention provides；
Fig. 2 is the flow chart of the determination method of the aggregate demand ability for the central air-conditioning that one embodiment of the invention provides；
Fig. 3 is the flow chart of the open method of the chilled water pump for the central air-conditioning that one embodiment of the invention provides；
Fig. 4 is the flow chart of the open method of the handpiece Water Chilling Units for the central air-conditioning that one embodiment of the invention provides；
Fig. 5 is the flow chart of the open method of the cooling water pump for the central air-conditioning that one embodiment of the invention provides；
Fig. 6 is the stream of the initial flow method for determination of amount of the cooling water pump for the central air-conditioning that another embodiment of the present invention provides
Cheng Tu；
Fig. 7 is the flow chart of the open method of the blower fan of the cooling tower for the central air-conditioning that one embodiment of the invention provides；
Fig. 8 is the structural representation of the opening device for the central air-conditioning that one embodiment of the invention provides.
Description of reference numerals
The control unit of 1 detection unit 2.
Embodiment
The embodiment of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this
The embodiment of place description is merely to illustrate and explain the present invention embodiment, is not intended to limit the invention embodiment.
Fig. 1 is the flow chart of the starting-up method for the central air-conditioning that one embodiment of the invention provides.It is as shown in figure 1, of the invention
Embodiment provides a kind of starting-up method of central air-conditioning, and the central air-conditioning includes at least one cooling tower, at least one cooling water
Pump, at least one chilled water pump and at least one handpiece Water Chilling Units, this method include：When receiving start-up command, it is determined that on
The performance parameter (step S11) of the central air-conditioning；According to the aggregate demand ability in the performance parameter with the central air-conditioning
QeRelevant performance parameter determines the aggregate demand ability Qe(step S12)；According to the aggregate demand ability QeWith in described
The performance parameter of centre air-conditioning determine to influence the factor of central air-conditioning start with control at least one cooling tower, it is described extremely
A few cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units open (step S13).
In the present embodiment, performance parameter of the present invention preferably on the central air-conditioning includes：The interior of every air-conditioning
Wet-bulb temperature TIt is interior, chilled water supply water temperature T1, every air-conditioning standard wet-bulb temperature TIn mark, every air-conditioning standard chilled water supply
Coolant-temperature gage TMark 1, every air-conditioning standard capability QMark, chilled water return water temperature T2, chilled water inflow temperature T3, cooling water backwater temperature
Spend T4, cooling water leaving water temperature T5, water specific heat capacity C and outdoor wet-bulb temperature TOutside。
Above-mentioned performance parameter is obtained by the mode such as detecting and inquiring about, and passes through above-mentioned performance parameter and calculates central air-conditioning
Aggregate demand ability Qe, aggregate demand ability QeIt can be understood as needing whole central air-conditioning under conditions present within the time per second
Refrigerating capacity.According to aggregate demand ability QeIt can determine to influence the factor of the central air-conditioning start with above-mentioned performance parameter, point
The factor of at least one cooling tower, the factor of at least one cooling water pump of influence, at least one chilled water pump of influence Wei not influenceed
Factor and influence the factors of at least one handpiece Water Chilling Units.And at least one cooling tower, at least one are controlled by above-mentioned factor
Individual cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units are opened.
Fig. 2 is the flow chart of the determination method of the aggregate demand ability for the central air-conditioning that one embodiment of the invention provides.Such as Fig. 2
Shown, this method includes：According to the indoor wet-bulb temperatures T of every air-conditioningIt is interior, the chilled water supply water temperature T1, it is described every
The standard wet-bulb temperature T of platform air-conditioningIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning mark
Quasi- ability QMarkDetermine the requirement capability Q of every air-conditioningn(step S21)；Add the requirement capability Q with every air-conditioningnWith
To the aggregate demand ability Qe(step S22).
Using part and aggregate demand ability Q in the present embodimenteRelevant performance parameter, the demand of every air-conditioning is calculated first
Ability Qn, can specifically be realized by below equation：
Wherein, TIt is interiorFor indoor wet-bulb temperatures, the T of every air-conditioning1Supplied for the chilled water
Coolant-temperature gage, TIn markFor standard wet-bulb temperature, the T of every air-conditioningMark 1For standard chilled water supply water temperature, the Q of every air-conditioningMarkFor every
The standard capability of air-conditioning.
Then by the air-conditioned requirement capability Q of institutenSum up, obtain the aggregate demand ability Q of whole central air-conditioninge。
Fig. 3 is the flow chart of the open method of the chilled water pump for the central air-conditioning that one embodiment of the invention provides.Such as Fig. 3 institutes
Show, this method includes：According to the aggregate demand ability Qe, the chilled water return water temperature T2, the chilled water inflow temperature T3With
And the specific heat capacity C of water determines the initial flow M of at least one chilled water pumpFreeze(step S31)；According at least one chilled water
The initial flow M of pumpFreezeAt least one chilled water pump is controlled to open (step S32).
The present embodiment provides the method for controlling at least one chilled water pump to open, wherein according to aggregate demand ability QeIt can obtain
To the factor for influenceing at least one chilled water pump：Initial flow MFreeze, can be realized by below equation：
Wherein, QeFor the aggregate demand ability, T2For the chilled water return water temperature, T3To be described
Chilled water inflow temperature, the specific heat capacity that C is water.
At least one chilled water pump is controlled according to initial flow MFreezeOpen, at least one chilled water pump is reached the initial flow
Measure MFreeze。
Fig. 4 is the flow chart of the open method of the handpiece Water Chilling Units for the central air-conditioning that one embodiment of the invention provides.Such as Fig. 4 institutes
Show, this method includes：By by the aggregate demand ability QeDistributed with the different methods of salary distribution at least one cooling-water machine
Group is to be calculated the efficiency (step S41) of at least one handpiece Water Chilling Units corresponding with each method of salary distribution；With in the efficiency
Maximum efficiency COPmaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe(step S42)；According to described at least one cold
The allocated requirement capability control at least one handpiece Water Chilling Units of water dispenser group open (step S43).
The present embodiment provides the method for controlling at least one handpiece Water Chilling Units to open, wherein according to aggregate demand ability QeIt can obtain
To the factor for influenceing at least one handpiece Water Chilling Units：The allocated requirement capability of each handpiece Water Chilling Units.Wherein, first by will always need
Seek ability QeDistributed with the different methods of salary distribution at least one handpiece Water Chilling Units, such as by aggregate demand ability QeIt is divided into n parts,
N handpiece Water Chilling Units are given in a manner of decile or not decile according to the performance of each handpiece Water Chilling Units, so as to obtain each cooling-water machine
Power of the group for allocated requirement capability.Then aggregate demand ability Q is usedeDivided by the cold water of all allocated requirement capabilities
The sum of the power of unit, so as to obtain efficiency COP.Finally, the multiple efficiency COP obtained with the different methods of salary distribution are carried out pair
Than finding maximum efficiency COPmax, use the efficiency COP of maximummaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe。
Handpiece Water Chilling Units can be opened according to allocated requirement capability, handpiece Water Chilling Units is reached allocated requirement capability.
Fig. 5 is the flow chart of the open method of the cooling water pump for the central air-conditioning that one embodiment of the invention provides.Such as Fig. 5 institutes
Show, this method includes：According to the aggregate demand ability Qe, the cooling water return water temperature T4, the cooling water leaving water temperature T5、
The maximum efficiency COPmaxAnd the specific heat capacity C of water determines the initial flow M of at least one cooling water pumpBut(step
S51)；According to the initial flow M of at least one cooling water pumpButAt least one cooling water pump is controlled to open (step
S52)。
The present embodiment provides the method for controlling at least one cooling water pump to open, wherein according to aggregate demand ability QeIt can obtain
To the factor for influenceing at least one cooling water pump：Initial flow MBut, and at least one cooling water pump is controlled according to initial flow MBut
Open, at least one cooling water pump is reached initial flow MBut。
Fig. 6 is the stream of the initial flow method for determination of amount of the cooling water pump for the central air-conditioning that another embodiment of the present invention provides
Cheng Tu.As shown in fig. 6, this method includes：According to the aggregate demand ability QeWith the maximum efficiency COPmaxIt is determined that condensation is put
Heat Qc(step S61)；According to condensation thermal discharge Qc, the cooling water return water temperature T4, the cooling water leaving water temperature T5And
The specific heat capacity C of water determines the initial flow M of at least one cooling water pumpBut(step S62).
Initial flow M is provided in the present embodimentButComputational methods, specially first calculate condensation thermal discharge Qc, can be with
Realized using below equation：
Wherein, QeFor the aggregate demand ability, COPmaxFor the maximum efficiency.
Then in condensation thermal discharge QcOn the basis of, calculate initial flow M using below equationBut：
Wherein, QcFor condensation thermal discharge, T4For the cooling water return water temperature, T5For the cooling
Water leaving water temperature, the specific heat capacity that C is water.
Fig. 7 is the flow chart of the open method of the blower fan of the cooling tower for the central air-conditioning that one embodiment of the invention provides.Such as
Shown in Fig. 7, this method includes：Determine the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference (step S71)；
According to the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference control the blower fan of at least one cooling tower
Open (step S72).
The present embodiment provides the method for controlling the blower fan of at least one cooling tower to open, wherein according to cooling water leaving water temperature
T5With the outdoor wet-bulb temperature TOutsideThe difference of the two can be obtained, in cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutside
When identical, the blower fan of at least one cooling tower is not turned on；In cooling water leaving water temperature T5More than the outdoor wet-bulb temperature TOutsideWhen,
The blower fan of at least one cooling tower is opened, with cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference it is bigger, extremely
The quantity that the blower fan of a few cooling tower is opened is more and frequency is bigger.
In addition, the present invention controlled according to above example the blower fan of at least one cooling tower, at least one cooling water pump,
While at least one chilled water pump and at least one handpiece Water Chilling Units are opened, while it may be referred to following order and open above-mentioned set
It is standby：The blower fan of at least one cooling tower is first turned on, then opens at least one cooling water pump, followed by unlatching institute
At least one chilled water pump is stated, finally opens at least one handpiece Water Chilling Units.
Fig. 8 is the structural representation of the opening device for the central air-conditioning that one embodiment of the invention provides.As shown in figure 8, this
Inventive embodiments also provide a kind of opening device of central air-conditioning, and the central air-conditioning includes at least one cooling tower, at least one
Cooling water pump, at least one chilled water pump and at least one handpiece Water Chilling Units, the device include：Detection unit 1 and control unit
2, wherein, the detection unit 1 is used for when receiving start-up command, it is determined that the performance parameter on the central air-conditioning；It is described
Control unit 2 is used for according to the aggregate demand ability Q in the performance parameter with the central air-conditioningeRelevant performance parameter determines
The aggregate demand ability Qe；According to the aggregate demand ability QeDetermined with the performance parameter on the central air-conditioning described in influence
The factor of central air-conditioning start is to control at least one cooling tower, at least one cooling water pump, described at least one
Chilled water pump and at least one handpiece Water Chilling Units are opened.
Performance parameter on the central air-conditioning includes：The indoor wet-bulb temperatures T of every air-conditioningIt is interior, chilled water supply water temperature
Spend T1, every air-conditioning standard wet-bulb temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning standard
Ability QMark, chilled water return water temperature T2, chilled water inflow temperature T3, cooling water return water temperature T4, cooling water leaving water temperature T5, water
Specific heat capacity C and outdoor wet-bulb temperature TOutside。
Described control unit 2 is additionally operable to：According to the indoor wet-bulb temperatures T of every air-conditioningIt is interior, the chilled water supplies water temperature
Spend T1, every air-conditioning standard wet-bulb temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, it is described every
The standard capability Q of platform air-conditioningMarkDetermine the requirement capability Q of every air-conditioningn；Add the requirement capability Q with every air-conditioningnWith
Obtain the aggregate demand ability Qe。
Described control unit 2 is additionally operable to：According to the aggregate demand ability Qe, the chilled water return water temperature T2, the freezing
Water inflow temperature T3And the specific heat capacity C of water determines the initial flow M of at least one chilled water pumpFreeze；According to described at least one
The initial flow M of chilled water pumpFreezeAt least one chilled water pump is controlled to open.
Described control unit 2 is additionally operable to include：By by the aggregate demand ability QeWith the different methods of salary distribution distribute to
At least one handpiece Water Chilling Units are to be calculated the efficiency of at least one handpiece Water Chilling Units corresponding with each method of salary distribution；With institute
State efficiency COP maximum in efficiencymaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe；According to described at least one cold
The allocated requirement capability control at least one handpiece Water Chilling Units of water dispenser group are opened.
Described control unit 2 is additionally operable to：According to the aggregate demand ability Qe, the cooling water return water temperature T4, the cooling
Water leaving water temperature T5, the maximum efficiency COPmaxAnd the specific heat capacity C of water determines the initial of at least one cooling water pump
Flow MBut；According to the initial flow M of at least one cooling water pumpButAt least one cooling water pump is controlled to open.
Described control unit 2 is additionally operable to：According to the aggregate demand ability QeWith the maximum efficiency COPmaxIt is determined that condensation
Thermal discharge Qc；According to condensation thermal discharge Qc, the cooling water return water temperature T4, the cooling water leaving water temperature T5And the ratio of water
Thermal capacitance C determines the initial flow M of at least one cooling water pumpBut。
Described control unit 2 is additionally operable to：Determine the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference；
According to the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference control the blower fan of at least one cooling tower
Open.
The opening sequence for the equipment that the central air-conditioning includes is：Open the blower fan of at least one cooling tower；Open
At least one cooling water pump；Open at least one chilled water pump；And open at least one handpiece Water Chilling Units.
The present invention also provides a kind of central air-conditioning, and the central air-conditioning includes the opening device of central air-conditioning described above.
Pass through above-mentioned technical proposal, using central air-conditioning starting-up method, device and central air-conditioning provided by the invention, lead to
The indoor load crossed before the start of Accurate Prediction central air-conditioning, refrigerating water pump, cooling pump, cooling tower and handpiece Water Chilling Units are accurately opened
Under stable state corresponding to the load, it smoothly can enter steady operational status from open state, reduce energy resource consumption.
The optional embodiment of the embodiment of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is simultaneously
The detail being not limited in above-mentioned embodiment, can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical scheme for applying example carries out a variety of simple variants, and these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair
Various combinations of possible ways no longer separately illustrate.
It will be appreciated by those skilled in the art that realize that all or part of step in above-described embodiment method is to pass through
Program instructs the hardware of correlation to complete, and the program storage is in the storage medium, including some instructions are causing list
Piece machine, chip or processor (processor) perform all or part of step of each embodiment methods described of the application.It is and preceding
The storage medium stated includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In addition, it can also be combined between a variety of embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is run counter to, it should equally be considered as disclosure of that of the embodiment of the present invention.
Claims (23)
1. a kind of starting-up method of central air-conditioning, the central air-conditioning includes at least one cooling tower, at least one cooling water pump, extremely
A few chilled water pump and at least one handpiece Water Chilling Units, it is characterised in that this method includes：
When receiving start-up command, it is determined that the performance parameter on the central air-conditioning；
According to the aggregate demand ability Q in the performance parameter with the central air-conditioningeRelevant performance parameter determines the aggregate demand
Ability Qe；
According to the aggregate demand ability QeDetermine to influence the central air-conditioning start with the performance parameter on the central air-conditioning
Factor is to control at least one cooling tower, at least one cooling water pump, at least one chilled water pump and institute
At least one handpiece Water Chilling Units are stated to open.
2. the starting-up method of central air-conditioning according to claim 1, it is characterised in that the performance on the central air-conditioning
Parameter includes：
The indoor wet-bulb temperatures T of every air-conditioningIt is interior, chilled water supply water temperature T1, every air-conditioning standard wet-bulb temperature TIn mark, every sky
The standard chilled water supply water temperature T of tuneMark 1, every air-conditioning standard capability QMark, chilled water return water temperature T2, chilled water inflow temperature
T3, cooling water return water temperature T4, cooling water leaving water temperature T5, water specific heat capacity C and outdoor wet-bulb temperature TOutside。
3. the starting-up method of central air-conditioning according to claim 2, it is characterised in that described according in the performance parameter
With the aggregate demand ability QeRelevant performance parameter determines the aggregate demand ability QeIncluding：
According to the indoor wet-bulb temperatures T of every air-conditioningIt is interior, the chilled water supply water temperature T1, every air-conditioning standard it is wet
Ball temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning standard capability QMarkDetermine institute
State the requirement capability Q of every air-conditioningn；
Add the requirement capability Q with every air-conditioningnTo obtain the aggregate demand ability Qe。
4. the starting-up method of central air-conditioning according to claim 3, it is characterised in that described according to the aggregate demand ability
QeDetermine to influence the factor of central air-conditioning start with the performance parameter on the central air-conditioning to control described at least one
Individual chilled water pump, which is opened, to be included：
According to the aggregate demand ability Qe, the chilled water return water temperature T2, the chilled water inflow temperature T3And the specific heat of water
Hold the initial flow M that C determines at least one chilled water pumpFreeze；
According to the initial flow M of at least one chilled water pumpFreezeAt least one chilled water pump is controlled to open.
5. the starting-up method of central air-conditioning according to claim 3, it is characterised in that according to the aggregate demand ability QeWith
Performance parameter on the central air-conditioning determines that the factor for influenceing the central air-conditioning start is described at least one cold to control
Water dispenser group, which is opened, to be included：
By by the aggregate demand ability QeDistributed with the different methods of salary distribution at least one handpiece Water Chilling Units to be calculated
The efficiency of at least one handpiece Water Chilling Units corresponding with each method of salary distribution；
With efficiency COP maximum in the efficiencymaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe；
The requirement capability control at least one handpiece Water Chilling Units being allocated according at least one handpiece Water Chilling Units are opened.
6. the starting-up method of central air-conditioning according to claim 5, it is characterised in that described according to the aggregate demand ability
QeDetermine to influence the factor of central air-conditioning start with the performance parameter on the central air-conditioning to control described at least one
Individual cooling water pump, which is opened, to be included：
According to the aggregate demand ability Qe, the cooling water return water temperature T4, the cooling water leaving water temperature T5, it is described maximum
Efficiency COPmaxAnd the specific heat capacity C of water determines the initial flow M of at least one cooling water pumpBut；
According to the initial flow M of at least one cooling water pumpButAt least one cooling water pump is controlled to open.
7. the starting-up method of central air-conditioning according to claim 6, it is characterised in that it is determined that influenceing described at least one cold
But the initial flow M at least one cooling water pump that water pump is openedButIncluding：
According to the aggregate demand ability QeWith the maximum efficiency COPmaxIt is determined that condensation thermal discharge Qc；
According to condensation thermal discharge Qc, the cooling water return water temperature T4, the cooling water leaving water temperature T5And the specific heat capacity C of water
Determine the initial flow M of at least one cooling water pumpBut。
8. the starting-up method of central air-conditioning according to claim 2, it is characterised in that described according to the aggregate demand ability
QeDetermine to influence the factor of central air-conditioning start with the performance parameter on the central air-conditioning to control described at least one
The blower fan of individual cooling tower, which is opened, to be included：
Determine the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference；
According to the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference control the wind of at least one cooling tower
Machine is opened.
9. the starting-up method of central air-conditioning according to claim 1, it is characterised in that the equipment that the central air-conditioning includes
Opening sequence be：
Open the blower fan of at least one cooling tower；
Open at least one cooling water pump；
Open at least one chilled water pump；And
Open at least one handpiece Water Chilling Units.
10. the starting-up method of central air-conditioning according to claim 3, it is characterised in that the demand energy of every air-conditioning
Power QnCalculated by below equation：
Wherein, TIt is interiorFor indoor wet-bulb temperatures, the T of every air-conditioning1Supplied water for the chilled water warm
Degree, TIn markFor standard wet-bulb temperature, the T of every air-conditioningMark 1For standard chilled water supply water temperature, the Q of every air-conditioningMarkFor every air-conditioning
Standard capability.
11. the starting-up method of central air-conditioning according to claim 4, it is characterised in that at least one chilled water pump
Initial flow MFreezeCalculated by below equation：
Wherein, QeFor the aggregate demand ability, T2For the chilled water return water temperature, T3For the freezing
Water inflow temperature, the specific heat capacity that C is water.
12. the starting-up method of central air-conditioning according to claim 7, it is characterised in that the condensation thermal discharge QcBy with
Lower formula calculates：
Wherein, QeFor the aggregate demand ability, COPmaxFor the maximum efficiency.
13. the starting-up method of central air-conditioning according to claim 7, it is characterised in that at least one cooling water pump
Initial flow MButCalculated by below equation：
Wherein, QcFor condensation thermal discharge, T4For the cooling water return water temperature, T5Go out for the cooling water
Coolant-temperature gage, the specific heat capacity that C is water.
14. a kind of opening device of central air-conditioning, the central air-conditioning include at least one cooling tower, at least one cooling water pump,
At least one chilled water pump and at least one handpiece Water Chilling Units, it is characterised in that the device includes：
Detection unit and control unit, wherein,
The detection unit is used for when receiving start-up command, it is determined that the performance parameter on the central air-conditioning；
Described control unit is used for according to the aggregate demand ability Q in the performance parameter with the central air-conditioningeRelevant performance ginseng
Number determines the aggregate demand ability Qe；According to the aggregate demand ability QeShadow is determined with the performance parameter on the central air-conditioning
Ring the factor of central air-conditioning start with control at least one cooling tower, at least one cooling water pump, it is described extremely
A few chilled water pump and at least one handpiece Water Chilling Units are opened.
15. the opening device of central air-conditioning according to claim 14, it is characterised in that the property on the central air-conditioning
Energy parameter includes：
The indoor wet-bulb temperatures T of every air-conditioningIt is interior, chilled water supply water temperature T1, every air-conditioning standard wet-bulb temperature TIn mark, every sky
The standard chilled water supply water temperature T of tuneMark 1, every air-conditioning standard capability QMark, chilled water return water temperature T2, chilled water inflow temperature
T3, cooling water return water temperature T4, cooling water leaving water temperature T5, water specific heat capacity C and outdoor wet-bulb temperature TOutside。
16. the opening device of central air-conditioning according to claim 15, it is characterised in that described control unit is additionally operable to：
According to the indoor wet-bulb temperatures T of every air-conditioningIt is interior, the chilled water supply water temperature T1, every air-conditioning standard it is wet
Ball temperature TIn mark, every air-conditioning standard chilled water supply water temperature TMark 1, every air-conditioning standard capability QMarkDetermine institute
State the requirement capability Q of every air-conditioningn；
Add the requirement capability Q with every air-conditioningnTo obtain the aggregate demand ability Qe。
17. the opening device of central air-conditioning according to claim 16, it is characterised in that described control unit is additionally operable to：
According to the aggregate demand ability Qe, the chilled water return water temperature T2, the chilled water inflow temperature T3And the specific heat of water
Hold the initial flow M that C determines at least one chilled water pumpFreeze；
According to the initial flow M of at least one chilled water pumpFreezeAt least one chilled water pump is controlled to open.
18. the opening device of central air-conditioning according to claim 16, it is characterised in that described control unit is additionally operable to wrap
Include：
By by the aggregate demand ability QeDistributed with the different methods of salary distribution at least one handpiece Water Chilling Units to be calculated
The efficiency of at least one handpiece Water Chilling Units corresponding with each method of salary distribution；
With efficiency COP maximum in the efficiencymaxThe corresponding method of salary distribution distributes the aggregate demand ability Qe；
The requirement capability control at least one handpiece Water Chilling Units being allocated according at least one handpiece Water Chilling Units are opened.
19. the opening device of central air-conditioning according to claim 18, it is characterised in that described control unit is additionally operable to：
According to the aggregate demand ability Qe, the cooling water return water temperature T4, the cooling water leaving water temperature T5, it is described maximum
Efficiency COPmaxAnd the specific heat capacity C of water determines the initial flow M of at least one cooling water pumpBut；
According to the initial flow M of at least one cooling water pumpButAt least one cooling water pump is controlled to open.
20. the opening device of central air-conditioning according to claim 19, it is characterised in that described control unit is additionally operable to：
According to the aggregate demand ability QeWith the maximum efficiency COPmaxIt is determined that condensation thermal discharge Qc；
According to condensation thermal discharge Qc, the cooling water return water temperature T4, the cooling water leaving water temperature T5And the specific heat capacity C of water
Determine the initial flow M of at least one cooling water pumpBut。
21. the opening device of central air-conditioning according to claim 15, it is characterised in that described control unit is additionally operable to：
Determine the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference；
According to the cooling water leaving water temperature T5With the outdoor wet-bulb temperature TOutsideDifference control the wind of at least one cooling tower
Machine is opened.
22. the opening device of central air-conditioning according to claim 14, it is characterised in that what the central air-conditioning included sets
Standby opening sequence is：
Open the blower fan of at least one cooling tower；
Open at least one cooling water pump；
Open at least one chilled water pump；And
Open at least one handpiece Water Chilling Units.
23. a kind of central air-conditioning, it is characterised in that the central air-conditioning includes any one claim in claim 14-22
The opening device of described central air-conditioning.
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| CN110332848A (en) * | 2019-08-08 | 2019-10-15 | 长江慧控科技(武汉)有限公司 | A kind of cooling tower energy conservation increasing longevity control method, device and equipment based on BA |
| CN110686381A (en) * | 2019-10-15 | 2020-01-14 | 广东美的暖通设备有限公司 | Air conditioner control method and device and computer readable storage medium |
| CN114576797A (en) * | 2022-03-28 | 2022-06-03 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
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