CN109708268A - A kind of and the united multi-line system operation method of new blower and multi-line system - Google Patents
A kind of and the united multi-line system operation method of new blower and multi-line system Download PDFInfo
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- CN109708268A CN109708268A CN201910010271.8A CN201910010271A CN109708268A CN 109708268 A CN109708268 A CN 109708268A CN 201910010271 A CN201910010271 A CN 201910010271A CN 109708268 A CN109708268 A CN 109708268A
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Abstract
The invention discloses a kind of and united multi-line system operation methods of new blower, comprising: the Current Temperatures information in each room is acquired by indoor unit；By the temperature information of the Current Temperatures information in each room of acquisition and setting, calculation process is carried out by preset algorithm；According to the method for operation of the result control multi-connected machine after calculation process.The present invention adjusts compressor frequency according to by evaporating temperature, and control is simple, according to different indoor load states, adjusts evaporating temperature, and interior machine can be made to meet building load variation.It is in sensible heat state for a long time, evaporating temperature is high, and system energy efficiency is high, and energy-saving effect is good.
Description
Technical field
The present invention relates to air-conditioner control system fields, more particularly to a kind of and united multi-line system operation side of new blower
Method and with the united multi-line system of new blower.
Background technique
With the improvement of living standards, requirement of the people to inhabitation and working environment is higher and higher, relax to air-conditioning system
Adaptive requires also higher and higher.Existing domestic air conditioning and multi-line system when summer operation, maintain always lower evaporating temperature
It runs, to maintain the requirement for cooling down to room and dehumidifying.Leaving air temp maintains always reduced levels, and comfort is poor, is also easy
It causes excessively to dehumidify, causes relative humidity relatively low.And the building load of more than half be sensible heat load, using low evaporating temperature come
Sensible heat in process chamber, then cause energy waste.Simple is the system for adjusting target with temperature, is not able to satisfy heat and moisture in the building ratio
Variation, lacks dehumidification function, and relative humidity can be made excessively high again when meeting temperature.Another problem has largely when being summer operation
Condensed water generates, and is easy to be unfavorable for indoor healthy in interior machine mould growth.When winter heats up, relative humidity is low, is air-dried.
Whole year operation temperature and humidity is unable to independent control, and comfort is poor.
Usual multi-line system summer carrys out cool-down dehumidification simultaneously by low evaporating temperature, or with temperature is individually to control mesh
Mark sacrifices relative humidity control；It is easy to cause relative humidity low when winter air-conditioning heat temperature raising, is air-dried.Transition season
When dehumidifying, temperature is low, and comfort is poor.Air-conditioning system is usually confined space, will cause air dirt for a long time.Side of the present invention
Method combines new blower, and fast cooling both may be implemented in summer, while can realize relative humidity independent control, and most of operating condition is aobvious
Heat operation, generates without condensed water；Winter can be humidified by new blower, improve relative humidity, improve comfort.Whole year operation
When, indoor evaporator is dry, prevents the risk of mould growth, guarantees indoor healthy.Enter clean fresh air by fresh air power traction, it can
Guarantee the freshness of room air.
Based on the technical problem present on, this application provides the technical solutions for solving the above technical problem.
Summary of the invention
The object of the present invention is to provide one kind to combine with the united multi-line system operation method of new blower and with new blower
Multi-line system, according to compressor frequency by evaporating temperature, is adjusted, control is simple, according to different indoor load states,
Evaporating temperature is adjusted, interior machine can be made to meet building load variation.It is in sensible heat state for a long time, evaporating temperature is high, system energy
Effect is high, and energy-saving effect is good.
Technical solution provided by the invention is as follows:
A kind of and united multi-line system operation method of new blower, comprising: the current of each room is acquired by indoor unit
Temperature information；By the temperature information of the Current Temperatures information in each room of acquisition and setting, carried out at operation by preset algorithm
Reason；According to the method for operation of the result control multi-connected machine after calculation process.
It is further preferred that including: that the Current Temperatures information in each room of acquisition and the temperature information of setting are carried out temperature
Difference is spent to calculate；Maximum temperature difference is found out in the temperature gap information obtained after computation；According to the maximum temperature found out
Degree difference is compared with the temperature difference threshold of setting；Enter the first operation side according to the result switching control multi-connected machine that difference compares
Formula.
It is further preferred that including: the work frequency for adjusting compressor when maximum temperature difference is greater than the first temperature difference threshold
Rate reduces evaporating temperature to the first evaporating temperature threshold value；When maximum temperature difference is between the first temperature difference threshold and the second temperature difference threshold
When value, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；When maximum temperature difference is less than
When two temperature difference thresholds, the working frequency of compressor is adjusted, control evaporating temperature is warming up to third evaporating temperature threshold value；Wherein,
One evaporating temperature threshold value is less than third evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value.Second
Temperature difference threshold is less than the first temperature difference threshold.
It is further preferred that including: that the Current Temperatures information in each room of acquisition and the temperature information of setting are carried out temperature
It spends difference to calculate, obtains the average value of temperature difference；The average value that will acquire temperature difference is compared with the temperature difference threshold of setting；Root
Enter second method of operation according to the new blower of result switching control that difference compares.
It is further preferred that including: to adjust the work of compressor when the average value of temperature difference is greater than the first temperature difference threshold
Frequency reduces evaporating temperature to the first evaporating temperature threshold value；When the average value of temperature difference is between the first temperature difference threshold and the second temperature
When poor threshold value, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；When being averaged for most temperature difference
When value is less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to third evaporating temperature threshold value；
Wherein, the first evaporating temperature threshold value is less than third evaporating temperature threshold less than the second evaporating temperature threshold value, the second evaporating temperature threshold value
Value；Second temperature difference threshold is less than the first temperature difference threshold.
It is a kind of to apply the above-mentioned multi-line system with the united multi-line system operation method of new blower, comprising: temperature
Acquisition module acquires the Current Temperatures information in each room by indoor unit；Calculation process module, it is logical with the temperature collecting module
Letter connection, by the temperature information of the Current Temperatures information in each room of acquisition and setting, carries out calculation process by preset algorithm；
Operation control module is communicated to connect with the calculation process module, according to the operation of the result control multi-connected machine after calculation process
Mode.
It is further preferred that the calculation process module includes: the first calculation process submodule；First calculation process
Submodule specifically includes: the Current Temperatures information in each room of acquisition and the temperature information of setting are carried out temperature gap calculating；
Maximum temperature difference is found out in the temperature gap information obtained after computation；According to the maximum temperature difference and setting found out
Temperature difference threshold be compared；Enter first method of operation according to the new blower of result switching control that difference compares.
It is further preferred that first method of operation specifically includes: when maximum temperature difference is greater than the first temperature difference threshold, adjusting
The working frequency of whole compressor reduces evaporating temperature to the first evaporating temperature threshold value；When maximum temperature difference is between first temperature difference
When threshold value and the second temperature difference threshold, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；When most
When big temperature gap is less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to third evaporation
Temperature threshold；Wherein, the first evaporating temperature threshold value is steamed less than the second evaporating temperature threshold value, the second evaporating temperature threshold value less than third
Send out temperature threshold.Second temperature difference threshold is less than the first temperature difference threshold.
It is further preferred that the calculation process module includes: the second calculation process submodule；Second calculation process
Submodule specifically includes: the Current Temperatures information in each room of acquisition and the temperature information of setting are subjected to temperature gap calculating,
Obtain the average value of temperature difference；The average value that will acquire temperature difference is compared with the temperature difference threshold of setting；It is compared according to difference
Result switching control multi-connected machine enter second method of operation.
It is further preferred that second method of operation specifically includes: when the average value of temperature difference is greater than the first temperature difference threshold,
The working frequency of compressor is adjusted, reduces evaporating temperature to the first evaporating temperature threshold value；When the average value of temperature difference is between first
When temperature difference threshold and the second temperature difference threshold, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；
When the average value of most temperature difference is less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to
Third evaporating temperature threshold value；Wherein, for the first evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value is small
In third evaporating temperature threshold value；Second temperature difference threshold is less than the first temperature difference threshold.
One kind provided by the invention is multi-joint in combination with the united multi-line system operation method of new blower and with new blower
Machine system, has the beneficial effect that:
In invention, the method adjusts compressor frequency, control is simple, according to different rooms according to by evaporating temperature
Internal loading state adjusts evaporating temperature, and interior machine can be made to meet building load variation.It is in sensible heat state, evaporation temperature for a long time
Degree is high, and system energy efficiency is high, and energy-saving effect is good.
In invention, the operation of summer sensible heat dry cooling condition, winter condition, indoor evaporator is drying regime, is not bred mould
The risk of bacterium, it is ensured that indoor health environment；
In invention, combine new fan operation, the fresh air of feeding can guarantee room air freshness, and winter can give room
Interior humidification improves comfort.
In invention, love mode can be set, does not like for the elderly or that the people to blow a cold wind over can bring preferable experience,
The cooling effect in other rooms is nor affected on simultaneously.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of united with new blower
Multi-line system operation method and above-mentioned characteristic, technical characteristic, advantage and its realization with the united multi-line system of new blower
Mode is further described.
Fig. 1 is a kind of flow chart with one embodiment of the united multi-line system operation method of new blower of the present invention；
Fig. 2 is a kind of process with another embodiment of the united multi-line system operation method of new blower of the present invention
Figure；
Fig. 3 is a kind of process with another embodiment of the united multi-line system operation method of new blower of the present invention
Figure；
Fig. 4 is a kind of structure chart with one embodiment of the united multi-line system of new blower of the present invention；
Fig. 5 is a kind of structure chart with another embodiment of the united multi-line system of new blower of the present invention；
Fig. 6 is a kind of structure chart with another embodiment of the united multi-line system of new blower of the present invention.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, their not generations
Its practical structures as product of table.
The present invention provides a kind of and united multi-line system operation methods of new blower, with reference to shown in Fig. 1；Include:
Step S100 acquires the Current Temperatures information in each room by indoor unit；
Step S200 carries out the temperature information of the Current Temperatures information in each room of acquisition and setting by preset algorithm
Calculation process；
Step S300 controls the method for operation of multi-connected machine according to the result after calculation process.
Specifically, with reference to shown in Fig. 1 and Fig. 4；Multi-line system is by compressor 1, condenser 2, outdoor in the present embodiment
Main electric expansion valve 3, machine connect multiple indoor units 4 by refrigerant pipe.Indoor unit 4 includes at least heat exchanger 43, filter 42,
Blower 45, coil temperature sensor 44, flow regulator (electric expansion valve) 41, further includes control unit, and control unit can
To detect room temperature, control unit operation.
When cooling in summer is run, new blower is opened, outdoor fresh air through new blower fan filtering, be sent into after cool-down dehumidification it is indoor, it is more
Online-up, multi-connected machine following methods carry out operation control.
It is example the present invention also provides one, with reference to shown in Fig. 2 and 4；Include:
Step S100 acquires the Current Temperatures information in each room by indoor unit；
The Current Temperatures information in each room of acquisition and the temperature information of setting are carried out temperature gap calculating by step S210；
The maximum temperature of capable demand indoor unit is found out in the temperature gap information that step S211 is obtained after computation
Difference；
Step S212 is compared according to the maximum temperature difference found out with the temperature difference threshold of setting；
Step S310 enters first method of operation according to the new blower of result switching control multi-connected machine that difference compares.
Preferably, first method of operation includes: to adjust compressor when maximum temperature difference is greater than the first temperature difference threshold
Working frequency reduces evaporating temperature to the first evaporating temperature threshold value；When maximum temperature difference is between the first temperature difference threshold and second
When temperature difference threshold, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；When maximum temperature difference
When less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to third evaporating temperature threshold value；Its
In, the first evaporating temperature threshold value is less than third evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value.
Second temperature difference threshold is less than the first temperature difference threshold.
Specifically, in the present embodiment, with reference to shown in Fig. 2 and Fig. 4；When cooling in summer is run, new blower is opened, outdoor new
Wind is sent into indoor through new blower fan filtering, after cool-down dehumidification, and multi-connected machine is opened, and multi-connected machine is run as follows: indoor unit difference
Corresponding room temperature Ti and set temperature Tsi are acquired, i represents interior machine serial number, calculating temperature difference △ Ti=Ti-Tsi, and finds out it
In have the ability demand indoor unit maximum value △ Tmax；
When the temperature difference △ T1 of △ Tmax >=first, judgement has room load larger at this time, by adjusting compressor frequency, makes to steam
Hair temperature is lower evaporating temperature Te1, and interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.
Multi-connected machine and new blower handle hot humidity load simultaneously.At this time can be with fast cooling, and new blower is cooperateed with to dehumidify.
When the second temperature difference △ T2 < △ Tmax < first temperature difference △ T1, adjusting compressor frequency makes evaporating temperature evaporation temperature
Te2 is spent, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.The evaporating temperature is indoor comfortable
The dew-point temperature of temperature humidity range, indoor unit slightly dehumidify or do not dehumidify, wet more than interior to be handled by new blower, while having preferable
Cooling effect.
When second temperature difference △ T2 >=△ Tmax, indoor load is smaller at this time, and adjusting compressor frequency steams evaporating temperature
Temperature Te3 is sent out, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.This evaporating temperature highest, and
And it is higher than indoor dew-point temperature, indoor unit handles sensible heat completely, wet more than interior to be handled by new blower.Unit frozen-free elutriation at this time
Out, evaporator dry, water pond greatly reduce the possibility for generating mould without ponding.
Wherein evaporating temperature is defined as the average value of indoor unit coil temperature, evaporating temperature Te3 > Te2 > Te1, the second temperature
Poor △ T2 < first temperature difference △ T1；
Particularly, to prevent from being manually set lower temperature, system maximum temperature difference △ Tmax is made to maintain the larger value for a long time,
Multi-connected machine long-play high-frequency causes energy waste and discomfort to meet low evaporating temperature, and love mould can be set
Formula, △ Tmax=max { Ti }-max { Tsi } under this mode, max { Ti } be have the ability demand indoor unit environment temperature it is maximum
Value, max { Tsi } are the set temperature maximum value of capable demand indoor unit.
Preferably, comprising: step S100 acquires the Current Temperatures information in each room by indoor unit；Step S220 will be acquired
The Current Temperatures information in each room and the temperature information of setting carry out temperature gap calculating, obtain the demand indoor unit of having the ability
The average value of temperature difference；Step S211 will acquire the average value of temperature difference and be compared with the temperature difference threshold of setting；Step S320
Enter second method of operation according to the new blower of result switching control that difference compares.
Preferably, second method of operation specifically includes: the adjustment when the average value of temperature difference is greater than the first temperature difference threshold
The working frequency of compressor reduces evaporating temperature to the first evaporating temperature threshold value；When the average value of temperature difference is between first temperature difference
When threshold value and the second temperature difference threshold, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；When most
When the average value of temperature difference is less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to third
Evaporating temperature threshold value；Wherein, the first evaporating temperature threshold value is less than the second evaporating temperature threshold value, and the second evaporating temperature threshold value is less than
Three evaporating temperature threshold values；Second temperature difference threshold is less than the first temperature difference threshold.
Specifically, with reference to shown in Fig. 3 and Fig. 4；Second of method of operation calculates all capable demand rooms in this application
The average value △ Tavg=avg { △ T i } of the difference of interior machine, actual temperature and set temperature；I represents interior machine serial number；
When the temperature difference △ T1 of △ Tavg >=first, determine that the room load of capable demand at this time is larger, multi-connected machine and fresh air
Machine handles hot humidity load simultaneously, by adjusting compressor frequency, makes evaporating temperature evaporating temperature Te1, interior machine is swollen by electronics
Swollen valve adjusts the degree of superheat, makes each interior machine flow distribution according to need.At this time can be with fast cooling, and new blower is cooperateed with to dehumidify.
When the second temperature difference △ T2 < △ Tavg < first temperature difference △ T1, adjusting compressor frequency makes evaporating temperature evaporation temperature
Te2 is spent, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.For indoor comfortable temperature humidity range
Dew-point temperature, indoor unit slightly dehumidifies or do not dehumidify, wet more than interior to be handled by new blower, while having preferable cooling effect.
When second temperature difference △ T2 >=△ Tavg, indoor load is smaller at this time, and adjusting compressor frequency steams evaporating temperature
Temperature Te3 is sent out, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.This evaporating temperature highest, and
And it is higher than indoor dew-point temperature, indoor unit handles sensible heat completely, wet more than interior to be handled by new blower.Unit frozen-free elutriation at this time
Out, evaporator dry, water pond greatly reduce the possibility for generating mould without ponding.Wherein evaporating temperature is defined as indoor unit coil pipe
The average value of temperature, evaporating temperature Te3 > Te2 > Te1, the second temperature difference △ T2 < first temperature difference △ T1.
In the present invention, when transition season, proper temperature is few to temperature regulatory demand, and humidity is higher, to dehumidification
Greatly, it can only open new blower outdoor air dehumidifies, dry air is sent into indoor dehumidification.Multi-joint indoor unit can be opened
Air supply pattern guarantees air circulation, or opens Smaller load heating mode, to balance the refrigeration duty after new blower dehumidifying.
In the present invention, when winter operation, multi-connected machine heating is opened, while can open after new blower heats fresh air and be sent into
Multi-connected machine heating load is reduced or shared in interior.Moisture can be brought into interior while being sent into fresh air, when room air is special
When dry, the humidification function for opening new blower can control, to indoor humidification, improve comfort.
The present invention also provides a kind of and united multi-line systems of new blower, with reference to shown in Figure 4 and 5；It include: that temperature is adopted
Collect module 100, the Current Temperatures information in each room is acquired by indoor unit；Calculation process module 200, with the temperature acquisition mould
Block 100 communicates to connect, and the temperature information of the Current Temperatures information in each room of acquisition and setting is transported by preset algorithm
Calculation processing；Operation control module 300 is communicated to connect with the calculation process module 200, is controlled according to the result after calculation process
The method of operation of multi-connected machine.
Specifically, in the present embodiment, with reference to shown in figure；For multi-line system by compressor 1, outdoor heat exchanger 2 is outdoor swollen
Swollen valve 3 and more indoor units 4 pass through related refrigerant pipe connection.Indoor unit includes at least heat exchanger 43, filter 42, wind
Machine 45, coil temperature sensor 44, flow regulator (electric expansion valve) 41 further includes control unit, and control unit can be with
Detect room temperature, control unit operation.
Preferably, the first calculation process submodule 210；First calculation process submodule specifically includes: by each room of acquisition
Between Current Temperatures information and setting temperature information carry out temperature gap calculating；In the temperature gap information obtained after computation
Find out the maximum temperature difference in capable demand room；According to the temperature difference threshold of the maximum temperature difference and setting that find out into
Row compares；Enter first method of operation 310 according to the new blower of result switching control that difference compares.First method of operation is specifically wrapped
It includes: when maximum temperature difference is greater than the first temperature difference threshold, adjusting the working frequency of compressor, reduce evaporating temperature to the first steaming
Send out temperature threshold；When maximum temperature difference is between the first temperature difference threshold and the second temperature difference threshold, the work frequency of compressor is adjusted
Rate, control evaporating temperature to the second evaporating temperature threshold value；When maximum temperature difference is less than the second temperature difference threshold, compressor is adjusted
Working frequency, control evaporating temperature be warming up to third evaporating temperature threshold value；Wherein, the first evaporating temperature threshold value is steamed less than second
Temperature threshold is sent out, the second evaporating temperature threshold value is less than third evaporating temperature threshold value.Second temperature difference threshold is less than the first temperature difference threshold.
Specifically, in the present embodiment, with reference to shown in Fig. 4 and 6；When cooling in summer is run, new blower is opened, outdoor fresh air
Through new blower fan filtering, interior is sent into after cool-down dehumidification, multi-connected machine is opened, and multi-connected machine is run as follows: indoor unit is adopted respectively
Collect corresponding room temperature Ti and set temperature Tsi, i represents interior machine serial number calculating temperature difference △ Ti=Ti-Tsi, and finds out wherein
The maximum value △ Tmax of capable demand indoor unit；
When the temperature difference △ T1 of △ Tmax >=first, judgement has room load larger at this time, by adjusting compressor frequency, makes to steam
Hair temperature is lower evaporating temperature Te1, and interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.
Multi-connected machine and new blower handle hot humidity load simultaneously.At this time can be with fast cooling, and new blower is cooperateed with to dehumidify.
When the second temperature difference △ T2 < △ Tmax < first temperature difference △ T1, adjusting compressor frequency makes evaporating temperature evaporation temperature
Te2 is spent, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.The evaporating temperature is indoor comfortable
The dew-point temperature of temperature humidity range, indoor unit slightly dehumidify or do not dehumidify, wet more than interior to be handled by new blower, while having preferable
Cooling effect.
When second temperature difference △ T2 >=△ Tmax, indoor load is smaller at this time, and adjusting compressor frequency steams evaporating temperature
Temperature Te3 is sent out, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.This evaporating temperature highest, and
And it is higher than indoor dew-point temperature, indoor unit handles sensible heat completely, wet more than interior to be handled by new blower.Unit frozen-free elutriation at this time
Out, evaporator dry, water pond greatly reduce the possibility for generating mould without ponding.
Wherein evaporating temperature is defined as the average value of indoor unit coil temperature, evaporating temperature Te3 > Te2 > Te1, the second temperature
Poor △ T2 < first temperature difference △ T1；
Particularly, to prevent from being manually set lower temperature, system maximum temperature difference △ Tmax is made to maintain the larger value for a long time,
Multi-connected machine long-play high-frequency causes energy waste and discomfort to meet low evaporating temperature, and love mould can be set
Formula, △ Tmax=max { Ti }-max { Tsi } under this mode, max { Ti } be have the ability demand indoor unit environment temperature it is maximum
Value, max { Tsi } are the set temperature maximum value of capable demand indoor unit.
Preferably, the second calculation process submodule 220 specifically includes: by the Current Temperatures information in each room of acquisition with set
Fixed temperature information carries out temperature gap calculating, obtains the average value of the temperature difference for demand indoor unit of having the ability；It will acquire temperature
The average value of difference is compared with the temperature difference threshold of setting；Enter the second fortune according to the new blower of result switching control that difference compares
Line mode 320.Second method of operation specifically includes: when the average value of temperature difference is greater than the first temperature difference threshold, adjusting compressor
Working frequency, reduce evaporating temperature to the first evaporating temperature threshold value；When temperature difference average value between the first temperature difference threshold and
When the second temperature difference threshold, the working frequency of compressor, control evaporating temperature to the second evaporating temperature threshold value are adjusted；When most temperature difference
Average value less than the second temperature difference threshold when, adjust the working frequency of compressor, control evaporating temperature is warming up to third evaporation temperature
Spend threshold value；Wherein, the first evaporating temperature threshold value is evaporated less than the second evaporating temperature threshold value, the second evaporating temperature threshold value less than third
Temperature threshold；Second temperature difference threshold is less than the first temperature difference threshold.
Specifically, with reference to shown in Fig. 4 and 6；Second of method of operation calculates in all capable demand rooms in this application
The average value △ Tavg=avg { △ Ti } of the difference of machine, actual temperature and set temperature；I represents interior machine serial number；
When the temperature difference △ T1 of △ Tavg >=first, determine that the room load of capable demand at this time is larger, multi-connected machine and fresh air
Machine handles hot humidity load simultaneously, by adjusting compressor frequency, makes evaporating temperature evaporating temperature Te1, interior machine is swollen by electronics
Swollen valve adjusts the degree of superheat, makes each interior machine flow distribution according to need.At this time can be with fast cooling, and new blower is cooperateed with to dehumidify.
When the second temperature difference △ T2 < △ Tavg < first temperature difference △ T1, adjusting compressor frequency makes evaporating temperature evaporation temperature
Te2 is spent, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.For indoor comfortable temperature humidity range
Dew-point temperature, indoor unit slightly dehumidifies or do not dehumidify, wet more than interior to be handled by new blower, while having preferable cooling effect.
When second temperature difference △ T2 >=△ Tavg, indoor load is smaller at this time, and adjusting compressor frequency steams evaporating temperature
Temperature Te3 is sent out, interior machine adjusts the degree of superheat by electric expansion valve, makes each interior machine flow distribution according to need.This evaporating temperature highest, and
And it is higher than indoor dew-point temperature, indoor unit handles sensible heat completely, wet more than interior to be handled by new blower.Unit frozen-free elutriation at this time
Out, evaporator dry, water pond greatly reduce the possibility for generating mould without ponding.Wherein evaporating temperature is defined as indoor unit coil pipe
The average value of temperature, evaporating temperature Te3 > Te2 > Te1, the second temperature difference △ T2 < first temperature difference △ T1.
In the present invention, when transition season, proper temperature is few to temperature regulatory demand, and humidity is higher, to dehumidification
Greatly, it can only open new blower outdoor air dehumidifies, dry air is sent into indoor dehumidification.Multi-joint indoor unit can be opened
Air supply pattern guarantees air circulation, or opens Smaller load heating mode, to balance the refrigeration duty after new blower dehumidifying.
In the present invention, when winter operation, multi-connected machine heating is opened, while can open after new blower heats fresh air and be sent into
Multi-connected machine heating load is reduced or shared in interior.Moisture can be brought into interior while being sent into fresh air, when room air is special
When dry, the humidification function for opening new blower can control, to indoor humidification, improve comfort.
In invention, the method adjusts compressor frequency, control is simple, according to different rooms according to by evaporating temperature
Internal loading state adjusts evaporating temperature, and interior machine can be made to meet building load variation.It is in sensible heat state, evaporation temperature for a long time
Degree is high, and system energy efficiency is high, and energy-saving effect is good.
In invention, the operation of summer sensible heat dry cooling condition, winter condition, indoor evaporator is drying regime, is not bred mould
The risk of bacterium, it is ensured that indoor health environment；
In invention, combine new fan operation, the fresh air of feeding can guarantee room air freshness, and winter can give room
Interior humidification improves comfort.
In invention, it is equipped with love mode, does not like for the elderly or that the people to blow a cold wind over can bring preferable experience,
The cooling effect in other rooms is nor affected on simultaneously.
It should be noted that above-described embodiment can be freely combined as needed.The above is only preferred implementations of the invention
Mode, it is noted that for those skilled in the art, without departing from the principle of the present invention, also
Several improvements and modifications can be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of and united multi-line system operation method of new blower characterized by comprising
The Current Temperatures information in each room is acquired by indoor unit；
By the temperature information of the Current Temperatures information in each room of acquisition and setting, calculation process is carried out by preset algorithm；
According to the method for operation of the result control multi-connected machine after calculation process.
2. a kind of and united multi-line system operation method of new blower according to claim 1, which is characterized in that packet
It includes:
The Current Temperatures information in each room of acquisition and the temperature information of setting are subjected to temperature gap calculating；
Maximum temperature difference is found out in the temperature gap information obtained after computation；
It is compared according to the maximum temperature difference found out with the temperature difference threshold of setting；
Enter first method of operation according to the result switching control multi-connected machine that difference compares.
3. a kind of and united multi-line system operation method of new blower according to claim 2, which is characterized in that described
First method of operation includes:
When maximum temperature difference is greater than the first temperature difference threshold, the working frequency of compressor is adjusted, reduces evaporating temperature to first
Evaporating temperature threshold value；
When maximum temperature difference is between the first temperature difference threshold and the second temperature difference threshold, the working frequency of compressor is adjusted, is controlled
Evaporating temperature is to the second evaporating temperature threshold value；
When maximum temperature difference is less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to
Third evaporating temperature threshold value.
Wherein, for the first evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value is less than third evaporation temperature
Spend threshold value.Second temperature difference threshold is less than the first temperature difference threshold.
4. a kind of and united multi-line system operation method of new blower according to claim 1, which is characterized in that packet
It includes:
The Current Temperatures information in each room of acquisition and the temperature information of setting are subjected to temperature gap calculating, obtain temperature difference
Average value；
The average value that will acquire temperature difference is compared with the temperature difference threshold of setting；
Enter second method of operation according to the result switching control multi-connected machine that difference compares.
5. a kind of and united multi-line system operation method of new blower according to claim 4, which is characterized in that described
Second method of operation includes:
When the average value of temperature difference is greater than the first temperature difference threshold, the working frequency of compressor is adjusted, reduce evaporating temperature to the
One evaporating temperature threshold value；
When the average value of temperature difference is between the first temperature difference threshold and the second temperature difference threshold, the working frequency of compressor is adjusted, is controlled
Evaporating temperature processed is to the second evaporating temperature threshold value；
When the average value of most temperature difference is less than the second temperature difference threshold, the working frequency of compressor is adjusted, controls evaporating temperature liter
Temperature is to third evaporating temperature threshold value.
Wherein, for the first evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value is less than third evaporation temperature
Spend threshold value；Second temperature difference threshold is less than the first temperature difference threshold.
6. a kind of can be applied to any multi-connected machine with the united multi-line system operation method of new blower of claim 1-5
System characterized by comprising
Temperature collecting module acquires the Current Temperatures information in each room by indoor unit；
Calculation process module, with the temperature collecting module communicate to connect, by the Current Temperatures information in each room of acquisition with set
Fixed temperature information carries out calculation process by preset algorithm；
Operation control module is communicated to connect with the calculation process module, according to the result control multi-connected machine after calculation process
The method of operation.
7. the according to claim 6 and united multi-line system of new blower, which is characterized in that the calculation process module
It include: the first calculation process submodule；
The first calculation process submodule specifically includes:
The Current Temperatures information in each room of acquisition and the temperature information of setting are subjected to temperature gap calculating；
Maximum temperature difference is found out in the temperature gap information obtained after computation；
It is compared according to the maximum temperature difference found out with the temperature difference threshold of setting；
Enter first method of operation according to the result switching control multi-connected machine that difference compares.
8. the according to claim 7 and united multi-line system of new blower, which is characterized in that first method of operation is specific
Include:
When maximum temperature difference is greater than the first temperature difference threshold, the working frequency of compressor is adjusted, reduces evaporating temperature to first
Evaporating temperature threshold value；
When maximum temperature difference is between the first temperature difference threshold and the second temperature difference threshold, the working frequency of compressor is adjusted, is controlled
Evaporating temperature is to the second evaporating temperature threshold value；
When maximum temperature difference is less than the second temperature difference threshold, the working frequency of compressor is adjusted, control evaporating temperature is warming up to
Third evaporating temperature threshold value；
Wherein, for the first evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value is less than third evaporation temperature
Spend threshold value.Second temperature difference threshold is less than the first temperature difference threshold.
9. the according to claim 6 and united multi-line system of new blower, which is characterized in that the calculation process module
It include: the second calculation process submodule；
The second calculation process submodule specifically includes:
The Current Temperatures information in each room of acquisition and the temperature information of setting are subjected to temperature gap calculating, obtain temperature difference
Average value；
The average value that will acquire temperature difference is compared with the temperature difference threshold of setting；
Enter second method of operation according to the result switching control multi-connected machine that difference compares.
10. the according to claim 9 and united multi-line system of new blower, which is characterized in that the second operation side
Formula specifically includes:
When the average value of temperature difference is greater than the first temperature difference threshold, the working frequency of compressor is adjusted, reduce evaporating temperature to the
One evaporating temperature threshold value；
When the average value of temperature difference is between the first temperature difference threshold and the second temperature difference threshold, the working frequency of compressor is adjusted, is controlled
Evaporating temperature processed is to the second evaporating temperature threshold value；
When the average value of most temperature difference is less than the second temperature difference threshold, the working frequency of compressor is adjusted, controls evaporating temperature liter
Temperature is to third evaporating temperature threshold value；
Wherein, for the first evaporating temperature threshold value less than the second evaporating temperature threshold value, the second evaporating temperature threshold value is less than third evaporation temperature
Spend threshold value；Second temperature difference threshold is less than the first temperature difference threshold.
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| CN113685913A (en) * | 2021-08-02 | 2021-11-23 | 重庆海尔空调器有限公司 | Control method of fresh air conditioner |
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