CN106352507A - Water circulating system and water flow switch cutoff value adjusting method and device of water circulating system - Google Patents
Water circulating system and water flow switch cutoff value adjusting method and device of water circulating system Download PDFInfo
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- CN106352507A CN106352507A CN201610973264.4A CN201610973264A CN106352507A CN 106352507 A CN106352507 A CN 106352507A CN 201610973264 A CN201610973264 A CN 201610973264A CN 106352507 A CN106352507 A CN 106352507A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
Abstract
The invention discloses a water circulating system and a water flow switch cutoff value adjusting method and device of the water circulating system. The method comprises: detecting a current flow value of a variable flow water pump and determining a target flow interval of a current flow value; according to a current operation mode, controlling a cutoff value of a water flow switch to be adjusted to a target cutoff value corresponding to the target flow interval under the current operation mode. According to the technical scheme, when the flow value of the variable flow water pump is changed, the cutoff value of the water flow switch is correspondingly adjusted; when the flow value of the variable flow water pump is reduced or increased, the water circulating system works normally and the reliability of the operation of the water circulating system is improved.
Description
Technical field
The present embodiments relate to air-conditioning technical field, more particularly, to a kind of water circulation system and its water flow switch stop value
Control method and device.
Background technology
Development with converter technique and the raising of awareness of saving energy, increasing variable water pump and water flow switch should
In heat pump air conditioner unit.
Wherein, variable water pump is used for controlling the size of discharge in heat pump air conditioner unit, and it has multiple flow gears, can
According to heat pump air conditioner unit practical operation situation, accordingly adjust its flow gear, and then control discharge in heat pump air conditioner unit
Size.Water flow switch, is known as flow switch or flow transducer again, for detecting the big of discharge in heat pump air conditioner unit
Little, when it detects the water flow switch stop value that discharge is less than setting, it is empty to heat pump that water flow switch will export stop signal
Adjust unit, shutdown is transported after obtaining stop signal in the case that discharge is too low by heat pump air conditioner unit to avoid or to reduce unit
OK, damage unit.
But although increasing variable water pump is applied in heat pump air conditioner unit, but water in heat pump air conditioner unit
The stop value of stream switch remains as a fixing stop value of setting.When the flow in variable water pump reduces, the current after reduction
Amount may be less than the water flow switch stop value of setting, then water flow switch sends stop signal to unit, compressor emergency shutdown, causes machine
Group produces error protection action, and the reliability of unit operation is low.
Content of the invention
The present invention provides a kind of water circulation system and its water flow switch stop value control method and device, to improve water circulation
The reliability of system operation.
In a first aspect, embodiments providing a kind of water flow switch stop value control method of water circulation system, should
Method includes:
Detect the present flow rate value of described variable water pump and determine that the target flow belonging to described present flow rate value is interval；
According to present mode of operation, control by the stop value of described water flow switch be adjusted under described present mode of operation with
The interval corresponding target stop value of described target flow.
Second aspect, the embodiment of the present invention additionally provides a kind of water flow switch cutout value adjusting device of water circulation system,
This device includes:
Flow value detection module, for detecting the present flow rate value of described variable water pump and determining described present flow rate value
Affiliated target flow is interval；
Stop value adjustment module, for according to present mode of operation, controlling and being adjusted to the stop value of described water flow switch
Corresponding target stop value interval with described target flow under described present mode of operation.
The third aspect, the embodiment of the present invention additionally provides a kind of water circulation system, and this system includes: variable water pump, water
The water flow switch cutout value adjusting device of stream switch and second aspect offer.
The present invention passes through to detect the present flow rate value of variable water pump and determine the target flow area belonging to present flow rate value
Between；According to present mode of operation, control by the stop value of water flow switch be adjusted under present mode of operation with described target flow
Interval corresponding target stop value.Target flow interval according to belonging to the present flow rate value of variable water pump for the realization is accordingly by water
The stop value of stream switch is adjusted to corresponding stop value interval with target flow under present mode of operation it is ensured that in variable water pump
In flow value when decreasing or increasing, water circulation system normal work, it is to avoid because the stop value of water flow switch is higher and relatively low,
Water circulation system is shut down, produces error protection action, improve water circulation system reliability of operation.
Brief description
Fig. 1 is a kind of structural representation of heat pump air conditioner unit provided in an embodiment of the present invention；
Fig. 2 is the flow process of the water flow switch stop value control method of one of the embodiment of the present invention one water circulation system
Figure；
Fig. 3 is the flow process of the water flow switch stop value control method of one of the embodiment of the present invention two water circulation system
Figure；
Fig. 4 is the schematic flow sheet of one of embodiment of the present invention two water flow switch stop value control method；
Fig. 5 is the structural frames of the water flow switch cutout value adjusting device of one of the embodiment of the present invention three water circulation system
Figure.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure is illustrate only in description, accompanying drawing.
So that water circulation system is for heat pump air conditioner unit as a example, Fig. 1 is the structural representation of heat pump air conditioner unit.As Fig. 1 institute
Show, variable water pump includes 9 flow gears altogether, and from first flow gear to the corresponding discharge of the 9th flow gear successively
Increase, flow value as corresponding in first flow gear is 0-n1, the corresponding flow value of second flow gear is n1-n2, the 3rd stream
The amount corresponding flow value of gear is n2-n3, and the corresponding flow value of the 4th flow gear is n3-n4, and the 5th flow gear is corresponding
Flow value is n4-n5, and the corresponding flow value of the 6th flow gear is n5-n6, and the corresponding flow value of the 7th flow gear is n6-
N7, the corresponding flow value of the 8th flow gear is n7-n8, and the corresponding flow value of the 9th flow gear is n8-n9.
It is as a example the 3rd flow gear, Flow-rate adjustment process to be illustrated by the present flow rate gear of variable water pump.Enter
Talent for swimming thermometer bulb and water outlet temperature-sensitive bag are used in real time or regularly detecting inflow temperature and the leaving water temperature of heat pump air conditioner unit, work as turnover
Water temperature difference δ t in critical field, i.e. α≤δ t ＜ β, variable water pump maintain current discharge, then need not adjust its flow shelves
Position；When turnover water temperature difference is less than critical field lower limit, that is, during δ t ＜ α, according to heat Calculation formula q=cm δ t, wherein, q is
Unit absorb or liberated heat, c be water specific heat capacity, m be discharge, δ t be turnover water temperature difference, then absorb or release
In the case that heat is constant, variable water pump passes through reduction discharge can make turnover water temperature difference raise, and that is, variable water pump is adjustable
Low discharge gear is until turnover water temperature difference improves to critical field；When turnover water temperature difference be higher than the critical field upper limit, that is, δ t >=
During β, according to heat Calculation formula q=cm δ t, in the case that absorption or liberated heat are constant, variable water pump passes through to increase
Add water flow so that turnover water temperature difference reduces, that is, variable water pump adjustable high flow capacity gear is until turnover water temperature difference is reduced to standard
In the range of.
Embodiment one
A kind of flow process of the water flow switch stop value control method of water circulation system that Fig. 2 provides for the embodiment of the present invention one
Figure, the present embodiment is applicable in water circulation system, the situation that the stop value of water flow switch is adjusted, and the method can be by
Executing, this device can be real in the way of using software and/or hardware for the water flow switch cutout value adjusting device of water circulation system
Existing.Referring to Fig. 2, method that the present embodiment provides specifically includes following steps:
Step 110, the present flow rate value of detection variable water pump simultaneously determine that the target flow belonging to present flow rate value is interval.
Wherein, variable water pump is generally used in flow-changing water blood circulation, can be according to the actual motion of water circulation system
Situation, accordingly adjusts its flow gear, and then according to flow gear regulating water flow size, controls discharge in water circulation system
Size.
Exemplary, variable water pump includes 9 flow gears altogether, and the corresponding flow value of first flow gear is 0-n1,
The corresponding flow value of second flow gear is n1-n2, and the corresponding flow value of the 3rd flow gear is n2-n3, the 4th flow gear
Corresponding flow value is n3-n4, and the corresponding flow value of the 5th flow gear is n4-n5, the corresponding flow value of the 6th flow gear
For n5-n6, the corresponding flow value of the 7th flow gear is n6-n7, and the corresponding flow value of the 8th flow gear is n7-n8, the 9th
The corresponding flow value of flow gear is n8-n9, optional 0-n3 is defined as first flow is interval, n3-n6 is defined as second flow
Interval, n6-n9 is defined as the 3rd flow rate zone, then can determine current stream according to the present flow rate value in the variable water pump of detection
Target flow belonging to value is interval.
It will be understood by those skilled in the art that also optional in other embodiments include at least two flow rate zone, such as 2
Or 4 flow rate zone, the numbers of gear steps of different types of variable water pump may be different, and flow rate zone is corresponding with flow gear
Relation can also be one-to-one or one-to-many, do not carry out concrete restriction in the present invention.In the present embodiment with variable water pump
Discharge illustrates as a example being divided into three flow rate zone.
Exemplary, can present flow rate value in real-time detection variable water pump to determine the target belonging to present flow rate value
Flow rate zone, the stop value of the target flow intervals control water flow switch according to belonging to the real-time present flow rate value determining it is ensured that
Interval to the target flow belonging to the present flow rate value in real time corresponding regulation of the stop value of water flow switch.Also optional according to setting time
Interval timing detects the present flow rate value of variable water pump and determines that the target flow belonging to present flow rate value is interval, when such as setting
Between be spaced apart 1 minute, then every the present flow rate value of 1 minute timing detection variable water pump and determine belonging to present flow rate value
Target flow is interval, it is to avoid detection is excessively frequent, causes the wasting of resources.
Step 120, according to present mode of operation, control by the stop value of water flow switch be adjusted under present mode of operation with
The interval corresponding target stop value of target flow.
The operational mode of water circulation system has multiple, such as refrigeration mode, heating mode and dehumidification mode isotype.Water circulation
System can switch over to operational mode according to the switching command of user input, or can be according to automatic to the detection of local environment
Running mode switching.Optional operational mode at least includes refrigeration mode and heating mode in the present embodiment.
Preferably, under any one operational mode, the flow rate zone of variable water pump is with the stop value of water flow switch one by one
Corresponding, under different operational modes, the stop value of the water flow switch corresponding to same flow rate zone of variable water pump may be different.
As in cooling mode, to should have the first refrigeration stop value δ 1, second flow interval n3-n6 is to should have for first flow interval 0-n3
Corresponding 3rd refrigeration the stop value δ 3, wherein δ 1 ＜ δ 2 ＜ δ 3 of second refrigeration stop value δ 2, the 3rd flow rate zone n6-n9.In system
Under heat pattern, to first should be had to heat stop value ε 1, second flow interval n3-n6 is to should have the second system for first flow interval 0-n3
Hot stop value ε 2, the 3rd flow rate zone n6-n9 heat stop value ε 3, wherein ε 1 ＜ ε 2 ＜ ε 3 to should have the 3rd.
After determining the target flow interval of variable water pump, according to present mode of operation, the stop value of water flow switch is adjusted
Save as corresponding target stop value interval with target flow under present mode of operation.As in a heating mode, variable-flow is detected
The present flow rate of water pump, determines its affiliated flow rate zone according to the present flow rate value of variable water pump, and such as present flow rate value is less than
N6 and second flow is interval it is determined that present flow rate value belongs to more than n3, then its corresponding target stop value is ε 2, controls water
The stop value of stream switch is adjusted to target stop value ε 2.If the flow in variable water pump reduces, find when such as detecting again to become
The present flow rate value of flow water pump is less than n3, and it is determined that present flow rate value belongs to, first flow is interval, and it is according to first flow area
Between corresponding target stop value be ε 1, control the stop value of water flow switch is adjusted to target stop value ε 1.If variable water pump
In flow increase, find when such as detecting again that the present flow rate value of variable water pump is more than n6 and is less than n9, determine current stream
Value belongs to the 3rd flow rate zone, and it is ε 3 according to the corresponding target stop value of the 3rd flow rate zone, controls water flow switch
Stop value is adjusted to target stop value ε 3.
When being achieved in the flow value changes in variable water pump, the stop value of corresponding adjustment water flow switch it is ensured that
When flow value in variable water pump decreases or increases, water circulation system normal work, it is to avoid due to the stop value of water flow switch
Higher and relatively low so that water circulation system shut down, produce error protection action, improve water circulation system reliability of operation.
Exemplary, under any one operational mode, the one-to-one water flow switch of the flow rate zone of variable water pump is disconnected
The big I of flow valuve is set according to experimental result.
Exemplary, under refrigeration mode, to be more than same traffic under heating mode interval for the corresponding stop value of arbitrary flow rate zone
Corresponding stop value.Its reason is, in cooling mode, if the leaving water temperature of water circulation system is relatively low, can lead to water circulation
Heat exchanger in system is freezing, therefore in cooling mode, discharge in variable water pump can larger so that variable water pump
Turnover water temperature difference less, and then make leaving water temperature too low, protect heat exchanger.
Exemplary, open with the current corresponding to the same flow rate zone of variable water pump under refrigeration mode under dehumidification mode
The stop value closing is identical.
The technical scheme of the present embodiment, by detecting the present flow rate value of variable water pump and determining belonging to present flow rate value
Target flow interval；According to present mode of operation, control by the stop value of water flow switch be adjusted under present mode of operation with
The interval corresponding target stop value of target flow.The target flow realized according to belonging to the present flow rate value of variable water pump is interval
Corresponding the stop value of water flow switch is adjusted under present mode of operation corresponding stop value interval with target flow it is ensured that becoming
When flow value in flow water pump decreases or increases, water circulation system normal work, it is to avoid due to water flow switch stop value relatively
High and relatively low so that water circulation system shut down, produce error protection action, improve water circulation system reliability of operation.
Embodiment two
A kind of flow process of the water flow switch stop value control method of water circulation system that Fig. 3 provides for the embodiment of the present invention two
Figure.The present embodiment is to be optimized further on the basis of above-described embodiment.Participate in Fig. 3, the method that this example provides is concrete
Including:
Step 210, set up water flow data storehouse.
Set up water flow data storehouse, wherein, the first flow interval that is stored with water flow data storehouse is to m flow rate zone, and deposits
Contain interval the refrigeration to the one-to-one first refrigeration stop value of m flow rate zone of first flow under refrigeration mode to m to stop
Value, and under the heating mode that is also stored with, first flow interval heats stop value extremely to m flow rate zone one-to-one first
M heats stop value.
Exemplary, in water flow data storehouse, first flow interval increases successively to the corresponding flow value of m flow rate zone
Plus, the such as interval corresponding flow value of first flow is 0-m1, and the interval corresponding flow value of second flow is m1-m2 ..., and m flows
Measuring interval corresponding flow value is mn-1-mm, wherein m1 ＜ m2 ＜ ... ＜ mn-1 ＜ mm, and under refrigeration mode, first flow interval is extremely
The one-to-one first refrigeration stop value of m flow rate zone is respectively ρ 1 to ρ m to m refrigeration stop value, first under heating mode
Flow rate zone to m flow rate zone one-to-one first heat stop value to m heat stop value be respectively μ 1 to μm.Wherein
ρ 1 to ρ m increases successively, and μ 1 is to μm increasing successively.
Exemplary, ρ 1 to ρ m can respectively with μ 1 to μm identical, also can differ.
Preferably, ρ 1 ＞ μ 1 ..., ＞ μm of ρ m.
Step 220, the present flow rate value of detection variable water pump simultaneously determine that the target flow belonging to present flow rate value is interval.
Step 230, according to water flow data storehouse, determine under present mode of operation the interval corresponding target cutout of target flow
Value.
After determining the interval of the target flow belonging to present flow rate, then the information according to storage in water flow data storehouse, can be true
Determine the interval corresponding target stop value of target flow under present mode of operation.If the present flow rate value of detection variable water pump is
C, and m1 ＜ c ＜ m2, then the target flow belonging to present flow rate value of variable water pump is interval interval for second flow, if water follows
The current operational mode of loop systems is refrigeration mode, then under refrigeration mode, the interval corresponding target stop value of second flow is ρ 2,
If the current operational mode of water circulation system is heating mode, the interval corresponding target stop value of second flow under heating mode
For μ 2.
The stop value of water flow switch is adjusted to target stop value by step 240, control.
Determine the interval corresponding target stop value of target flow under present mode of operation, then control the cutout of water flow switch
Value is adjusted to target stop value so that water flow switch is under target stop value, and the discharge in water circulation system is detected,
Water circulation system is protected.
Fig. 4 is the schematic flow sheet of water flow switch stop value control method.Referring to Fig. 4, empty for heat pump with water circulation system
As a example adjusting unit.After heat pump air conditioner unit launches into normal operation, first determine whether the present mode of operation of heat pump air conditioner unit
For heating mode or refrigeration mode.
After determining heat pump air conditioner unit present mode of operation, water inlet temperature-sensitive bag and the timing of water outlet temperature-sensitive bag detect heat pump air conditioner
The inflow temperature of unit and leaving water temperature.
If entering water temperature difference α≤δ t ＜ β, variable water pump maintains present flow rate, then according to the variable water pump detecting
In flow value can determine that the affiliated flow rate zone of present flow rate value does not change, then target stop value is constant.
If entering water temperature difference δ t ＜ α, variable water pump turns down flow, according to present flow rate variable water pump is detected
Value determines the flow rate zone belonging to present flow rate value, then according to water flow data storehouse it may be determined that flow area belonging to present flow rate value
Between corresponding stop value in this operating mode, control and water flow switch stop value be adjusted to this stop value, realize in variable-flow
When discharge in water pump reduces, the corresponding water flow switch stop value that adjusts reduces.
If entering water temperature difference δ t >=β, variable water pump heightens flow, according to present flow rate variable water pump is detected
Value determines the flow rate zone belonging to present flow rate value, then according to water flow data storehouse it may be determined that flow area belonging to present flow rate value
Between corresponding stop value in this operating mode, control and water flow switch stop value be adjusted to this stop value, realize in variable-flow
When discharge in water pump increases, the corresponding water flow switch stop value that adjusts improves.
The technical scheme of the embodiment of the present invention, by setting up water flow data storehouse；The present flow rate value of detection variable water pump
And determine that the target flow belonging to present flow rate value is interval；According to water flow data storehouse, determine target flow under present mode of operation
Interval corresponding target stop value；Control and the stop value of water flow switch is adjusted to target stop value.Realize in water flow data storehouse
Each flow rate zone under each flow rate zone and refrigeration mode and heating mode is stored corresponding respectively in middle storage water flow data storehouse
Each stop value, thus in the present flow rate value detecting variable water pump and determine that the target flow belonging to present flow rate value is interval
Afterwards, target stop value can be determined so that water flow switch breaks in target rapidly and accurately according to the information storing in water flow data storehouse
More accurately water circulation system is protected under flow valuve.
Embodiment three
A kind of structure of the water flow switch cutout value adjusting device of water circulation system that Fig. 5 provides for the embodiment of the present invention three
Block diagram.Referring to Fig. 5, this control device includes: flow value detection module 310 and stop value adjustment module 320, wherein,
Flow value detection module 310, for detecting the present flow rate value of described variable water pump and determining described current stream
Target flow belonging to value is interval；
Stop value adjustment module 320, for according to present mode of operation, controlling and adjusting the stop value of described water flow switch
For corresponding target stop value interval with described target flow under described present mode of operation.
In such scheme, optionally, described flow value detection module specifically for: according to setting time interval, regularly
Detect the present flow rate value of described variable water pump and determine that the target flow belonging to described present flow rate value is interval.
In such scheme, optionally, the operational mode of described water circulation system at least includes: refrigeration mode and heat mould
Formula.
In such scheme, optionally, also include:
Database module, is used for setting up water flow data storehouse, and wherein, be stored with described water flow data storehouse first flow
Interval interval to described m flow rate zone one by one to first flow described under described m flow rate zone, and the refrigeration mode that is stored with
Corresponding first refrigeration stop value is to described first flow interval under m refrigeration stop value, and the heating mode that is also stored with extremely
The one-to-one m+1 of described m flow rate zone heats stop value and heats stop value to 2m.
In such scheme, optionally, described stop value adjustment module includes:
Target stop value determining unit, for according to described water flow data storehouse, determining described target under present mode of operation
Flow rate zone corresponding target stop value；
The stop value of described water flow switch is adjusted to described target stop value for controlling by adjustment unit.
Example IV
The embodiment of the present invention four additionally provides a kind of water circulation system, and this water circulation system includes variable water pump, current
Switch and the cutout value adjusting device of the water flow switch described in above-mentioned any embodiment, and be used for executing described in above-mentioned any embodiment
Water flow switch stop value control method.
Exemplary, water circulation system is air conditioning unit.
Preferably, water circulation system is heat pump air conditioner unit.
It will be understood by those skilled in the art that possessing variable water pump and any one water circulation system of water flow switch is equal
Fall into protection scope of the present invention.
The water circulation system that the present embodiment provides can be according to the target flow area belonging to present flow rate value in variable water pump
Between, the corresponding water flow switch stop value that adjusts is the interval corresponding target cutout of target flow under water circulation system present mode of operation
Value it is ensured that when the flow value in variable water pump decreases or increases, water circulation system normal work, it is to avoid due to water flow switch
Stop value higher and relatively low so that water circulation system shut down, produce error protection action, improve water circulation system run reliability
Property.
Said apparatus can perform the method that the embodiment of the present invention one and embodiment two are provided, and possesses execution said method phase
The functional module answered and beneficial effect.The not ins and outs of detailed description in the present embodiment, can be found in the embodiment of the present invention one
The method being provided with embodiment two.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. a kind of water flow switch stop value control method of water circulation system is it is characterised in that configure in described water circulation system
There are variable water pump and water flow switch, this water flow switch stop value control method includes:
Detect the present flow rate value of described variable water pump and determine that the target flow belonging to described present flow rate value is interval；
According to present mode of operation, control by the stop value of described water flow switch be adjusted under described present mode of operation with described
The interval corresponding target stop value of target flow.
2. method according to claim 1 is it is characterised in that the present flow rate of the described variable water pump of described detection is simultaneously true
The interval concrete implementation procedure of target flow belonging to fixed described present flow rate value is: detects institute according to the timing of setting time interval
State the present flow rate value of variable water pump and determine that the target flow belonging to described present flow rate value is interval.
3. method according to claim 1 is it is characterised in that the operational mode of described water circulation system at least includes: system
Chill formula and heating mode.
4. method according to claim 3 is it is characterised in that detecting the present flow rate value of described variable water pump and determining
Before target flow interval belonging to described present flow rate value, also include:
Set up water flow data storehouse, wherein, the first flow interval that is stored with described water flow data storehouse is to m flow rate zone, and deposits
Contain described first flow under refrigeration mode interval to the one-to-one first refrigeration stop value of described m flow rate zone to m
Under refrigeration stop value, and the heating mode that is also stored with, described first flow is interval one-to-one to described m flow rate zone
First heats stop value heats stop value to m.
5. method according to claim 4 is it is characterised in that according to present mode of operation, control described water flow switch
Stop value be adjusted to corresponding target stop value interval with described target flow under described present mode of operation, comprising:
According to described water flow data storehouse, determine the interval corresponding target stop value of described target flow under present mode of operation；
Control and the stop value of described water flow switch is adjusted to described target stop value.
6. a kind of water flow switch cutout value adjusting device of water circulation system is it is characterised in that configure in described water circulation system
There are variable water pump and water flow switch, this water flow switch cutout value adjusting device includes:
Flow value detection module, for detecting the present flow rate value of described variable water pump and determining belonging to described present flow rate value
Target flow interval；
Stop value adjustment module, for according to present mode of operation, the stop value of described water flow switch is adjusted to described by control
Corresponding target stop value interval with described target flow under present mode of operation.
7. device according to claim 6 it is characterised in that described flow value detection module specifically for: according to setting
Time interval, regularly detects the present flow rate value of described variable water pump and determines the target flow belonging to described present flow rate value
Interval.
8. device according to claim 6 is it is characterised in that the operational mode of described water circulation system at least includes: system
Chill formula and heating mode.
9. device according to claim 8 is it is characterised in that also include:
Database module, is used for setting up water flow data storehouse, and wherein, the first flow that is stored with described water flow data storehouse is interval
To described m flow rate zone, and the refrigeration mode that is stored with, the interval extremely described m flow rate zone of described first flow corresponds
The first refrigeration stop value to described first flow under m refrigeration stop value, and the heating mode that is also stored with interval to described
The one-to-one m+1 of m flow rate zone heats stop value and heats stop value to 2m.
10. device according to claim 9 is it is characterised in that described stop value adjustment module includes:
Target stop value determining unit, for according to described water flow data storehouse, determining described target flow under present mode of operation
Interval corresponding target stop value；
The stop value of described water flow switch is adjusted to described target stop value for controlling by adjustment unit.
A kind of 11. water circulation systems it is characterised in that including, variable water pump, water flow switch and as arbitrary in claim 6-10
Water flow switch cutout value adjusting device described in.
12. water circulation systems according to claim 11 are it is characterised in that described water circulation system is heat-pump air-conditioner
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973264.4A CN106352507B (en) | 2016-11-07 | 2016-11-07 | A kind of water circulation system and its water flow switch stop value adjusting method and device |
Applications Claiming Priority (1)
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| CN201610973264.4A CN106352507B (en) | 2016-11-07 | 2016-11-07 | A kind of water circulation system and its water flow switch stop value adjusting method and device |
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| CN109539472A (en) * | 2018-10-10 | 2019-03-29 | 珠海格力电器股份有限公司 | Target chip water flow switch, cooler, control method, equipment and medium |
| CN110779163A (en) * | 2019-10-21 | 2020-02-11 | 珠海格力电器股份有限公司 | Air conditioning unit control method and device |
| CN111412624A (en) * | 2020-03-20 | 2020-07-14 | 青岛海尔空调电子有限公司 | Air conditioning unit and compressor frequency control method thereof |
| CN112049788A (en) * | 2020-06-19 | 2020-12-08 | 珠海维尔康生物科技有限公司 | Perfusion pump flow control method and device |
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| CN110779163B (en) * | 2019-10-21 | 2021-07-09 | 珠海格力电器股份有限公司 | Air conditioning unit control method and device |
| CN111412624A (en) * | 2020-03-20 | 2020-07-14 | 青岛海尔空调电子有限公司 | Air conditioning unit and compressor frequency control method thereof |
| CN112049788A (en) * | 2020-06-19 | 2020-12-08 | 珠海维尔康生物科技有限公司 | Perfusion pump flow control method and device |
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