CN107449107A - Multi-module air conditioning unit water pump scheduling control method, water pump system and air conditioning unit - Google Patents
Multi-module air conditioning unit water pump scheduling control method, water pump system and air conditioning unit Download PDFInfo
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- CN107449107A CN107449107A CN201710567877.2A CN201710567877A CN107449107A CN 107449107 A CN107449107 A CN 107449107A CN 201710567877 A CN201710567877 A CN 201710567877A CN 107449107 A CN107449107 A CN 107449107A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 296
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004378 air conditioning Methods 0.000 title abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 13
- 230000006870 function Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000005086 pumping Methods 0.000 description 1
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Abstract
The invention provides a multi-module air conditioning unit water pump scheduling control method, a water pump system and an air conditioning unit. The method for controlling the water pump scheduling of the multi-module air conditioning unit comprises the following steps: arranging at least one first water pump and at least one second water pump, and connecting each module in the multi-module air conditioning unit with one first water pump and one second water pump; a controller is provided for: controlling the first water pump to be started when the multi-module air conditioning unit is started and to be closed after the multi-module air conditioning unit is shut down; and controlling the second water pump to be started under the condition that the compressor of at least one module connected with the second water pump is started, and to be stopped under the condition that the compressors of all the modules connected with the second water pump are stopped. According to the technical scheme provided by the invention, the controller is used for scheduling the multi-module public water pump, so that the number of the water pumps is reduced, the engineering installation difficulty is reduced, and the cost is saved.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of multimode air-conditioner set water pump dispatch control method, water
Pumping system and air-conditioner set.
Background technology
Air-conditioner set is when multimode is installed, and in order to save cost, tends not to give each unit a separately installed water
Pump, but the public water pump control of multi-module cascade is used, this just needs the running status pair according to each unit in multiple modules
Water pump is scheduled control.Existing multimode water pump is by installing repeater control, due to needing to install additional during project installation
Repeater, workload and installation difficulty during installation are increased, also increases cost.
The content of the invention
A kind of the defects of it is a primary object of the present invention to overcome above-mentioned prior art, there is provided multimode air-conditioner set water
Pump dispatch control method, water pump system and air-conditioner set, to solve the problems, such as that installation difficulty is big and cost is high.
One aspect of the present invention provides a kind of multimode air-conditioner set water pump dispatch control method, including：Set at least one
Individual first water pump and at least one second water pump, by each module in multimode air-conditioner set and first water pump and
One second water pump is connected；Controller is set, is used for：First water pump is controlled when multimode air-conditioner set is started shooting
Open, closed after the shutdown of multimode air-conditioner set；Second water pump is controlled at least one coupled module
Compressor open in the case of open, closed in the case where the compressor of coupled all modules is all closed.
Alternatively, the controller is additionally operable to：During first water pump operation, monitor first water pump with
When the switch that some module is connected breaks down, the switch being connected to first water pump with other modules carries out failure
The judgement of situation, if the switch that first water pump is connected with other modules all breaks down, close first water pump.
Alternatively, the controller is additionally operable to：Before the compressor of some module is opened in multimode air-conditioner set,
The switch that the module is connected with second water pump is opened, while is sent to other modules being connected with second water pump
Second water pump open signal；Other modules response being connected with second water pump receives second water pump and opens letter
Number, open the switch being connected with second water pump.
Alternatively, the controller is additionally operable to：It is connected in multimode air-conditioner set with second water pump a certain
The compressor of individual module is closed, standby or failure when, the compressor for other modules for judging to be connected with second water pump is
No all closing, standby or failure, if then closing second water pump.
Alternatively, the controller is additionally operable to：During second water pump operation, monitor second water pump with
When the switch that some module is connected breaks down, the switch being connected to second water pump with other modules carries out failure
The judgement of situation, if the switch that second water pump is connected with other modules all breaks down, close second water pump.
Alternatively, the controller is additionally operable to：First water pump is controlled to pass through after the shutdown of multimode air-conditioner set
Closed after predetermined very first time threshold time；Control second water pump coupled all modules compressor all
Closed after closing after the second predetermined time threshold time.
Another aspect of the present invention provides a kind of multimode air-conditioner set water pump system again, including：At least one first
Water pump and at least one second water pump, each module in multimode air-conditioner set with described in first water pump and one
Second water pump is connected；Controller, it is used for：First water pump is controlled to be opened when multimode air-conditioner set is started shooting, in multimode
Closed after the shutdown of block air-conditioner set；Second water pump is controlled to be opened in the compressor of at least one coupled module
In the case of open, closed in the case where the compressor of coupled all modules is all closed.
Alternatively, the controller is additionally operable to：During first water pump operation, monitor first water pump with
When the switch that some module is connected breaks down, the switch being connected to first water pump with other modules carries out failure
The judgement of situation, if the switch that first water pump is connected with other modules all breaks down, close first water pump.
Alternatively, the controller is additionally operable to：Before the compressor of some module is opened in multimode air-conditioner set,
The switch that the module is connected with second water pump is opened, while is sent to other modules being connected with second water pump
Second water pump open signal；Other modules response being connected with second water pump receives second water pump and opens letter
Number, open the switch being connected with second water pump.
Alternatively, the controller is additionally operable to：It is connected in multimode air-conditioner set with second water pump a certain
The compressor of individual module is closed, standby or failure when, the compressor for other modules for judging to be connected with second water pump is
No all closing, standby or failure, if then closing second water pump.
Alternatively, the controller is additionally operable to：During second water pump operation, monitor second water pump with
When the switch that some module is connected breaks down, the switch being connected to second water pump with other modules carries out failure
The judgement of situation, if the switch that second water pump is connected with other modules all breaks down, close second water pump.
Alternatively, the controller is additionally operable to：First water pump is controlled to pass through after the shutdown of multimode air-conditioner set
Closed after predetermined very first time threshold time；Control second water pump coupled all modules compressor all
Closed after closing after the second predetermined time threshold time.
Another aspect of the present invention provides a kind of air-conditioner set again, has the system described in any of the above-described.
Technical scheme provided by the invention dispatches the public water pump of multimode by controller, has both reduced water pump quantity, drops again
Low project installation difficulty, so as to cost-effective.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the general frame figure of multimode air-conditioner set water pump dispatch control method provided by the invention；
Fig. 2 is the work of the first fault of water pump control of multimode air-conditioner set water pump dispatch control method provided by the invention
Make flow chart；
Fig. 3 is a kind of scheduling of preferred embodiment of multimode air-conditioner set water pump dispatch control method provided by the invention
Control flow chart；
Fig. 4 is the work of the second fault of water pump control of multimode air-conditioner set water pump dispatch control method provided by the invention
Make flow chart；
Fig. 5 is the general frame figure of multimode air-conditioner set water pump system provided by the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
One aspect of the present invention provides a kind of multimode air-conditioner set water pump dispatch control method.Fig. 1 is offer of the present invention
Multimode air-conditioner set water pump dispatch control method general frame figure.As shown in figure 1, multimode air-conditioner set water of the present invention
Pump dispatch control method includes：Step S110, at least one first water pump and at least one second water pump are set, multimode is empty
Each module in unit is adjusted to be connected with first water pump and second water pump；Step S120, control is set
Device processed, is used for：Control first water pump to be opened when multimode air-conditioner set is started shooting, closed after the shutdown of multimode air-conditioner set
Close；Control second water pump at least one coupled module compressor open in the case of open, with
The compressor of its all module being connected is closed in the case of all closing.
The multimode water pump control of prior art is by installing repeater control, it is necessary to install relaying additional during project installation
Device, workload and installation difficulty when increase is installed, also increases cost.If without using repeater during project installation, it is necessary to
Give each module separately installed one group (i.e. 2) water pump.Such as：During modularization, 16 modules can be at most cascaded, if each module
All separately installed water pump, then need 32 water pumps.The control method of the present invention, need not both install repeater, it is not required that peace
32 water pumps are filled, the switching signal of public water pump is directly controlled by controller, so as to reduce project installation difficulty, are saved
Cost.
In a preferred embodiment, whole multimode air-conditioner set shares one group of (i.e. 2) water pump, i.e. the first water
Pump and the second water pump.The start of first water pump is opened, and keeps water circulation；Second water pump links with compressor, and compressor has unlatching to need
When asking, the second water pump is opened, and otherwise the second water pump is closed, to prevent the second water pump one after all compressors in bus are turned off
The straight waste that electricity is caused in opening.
In another embodiment, when multimode controls, each module installs one group of water pump, and each module water pump is independently controlled
System, when module is more, it is necessary to installation water pump it is also more, by contrast, this embodiment cost is larger, installation difficulty also compared with
It is high.
Fig. 2 is the work of the first fault of water pump control of multimode air-conditioner set water pump dispatch control method provided by the invention
Make flow chart.As shown in Fig. 2 according to a kind of embodiment of air-conditioning method of the present invention, the controller is additionally operable to：It is described
During first water pump operation, step S210 is first carried out, monitors the switch fault that first water pump is connected with module；
When monitoring that the switch that first water pump is connected with some module breaks down, step S220 is performed, to described first
The switch that water pump is connected with other modules carries out the judgement of failure situation；If what first water pump was connected with other modules
Switch all breaks down, then performs step S230, then close first water pump.Fault management can improve the reliability of system,
Switched off the pump in time during failure, save the energy.
According to a kind of embodiment of air-conditioning method of the present invention, the controller is additionally operable to：In multimode air conditioner
Before the compressor of some module is opened in group, open the switch that the module is connected with second water pump, at the same to
Other modules that second water pump is connected send the second water pump open signal；Other moulds being connected with second water pump
Block response receives the second water pump open signal, opens the switch being connected with second water pump.
According to a kind of embodiment of air-conditioning method of the present invention, the controller is additionally operable to：In multimode air conditioner
The compressor of some module being connected in group with second water pump is closed, standby or failure when, judge and described second
Whether the compressor for other modules that water pump is connected all closes, standby or failure, if then closing second water pump.Specifically
Ground, occur closing in the compressor for some module being connected with the second water pump, standby or failure these three situations for the moment,
Whether the compressor of other modules for judging to be connected with second water pump, which all occurs, is closed, standby or failure these three feelings
One of condition, if then closing second water pump.Such as：The compressor for some module being connected with the second water pump is closed
When, then the compressor of pair other modules being connected with the second water pump while judge：If the compressor of other modules is all
Second water pump is then closed through closing；Another situation, if other modules compressor all in holding state if close institute
State the second water pump；Another situation, if the compressor some of other modules is turned off, some is in holding state, some appearance
Failure, but be not on opening running status, such case is also to close second water pump to reduce kwh loss；In addition
Another situation, if having in the compressor of other modules in running status is opened, second water pump keeps it turned on shape
State is run.
These three front and rear situations are to correspond, and just calculate "Yes"；Or above judge it is standby, behind judge close,
It is considered "Yes".
In embodiment of above, the second water pump links with compressor, had both ensured the conveying of compressor water, and had avoided causing again
The unnecessary waste of electric energy.
Fig. 3 is a kind of scheduling of preferred embodiment of multimode air-conditioner set water pump dispatch control method provided by the invention
Control flow chart.Fig. 3 shares one group of water pump (2 water pumps, i.e. the first water pump and the second water pump) with whole multimode air-conditioner set
Exemplified by, such as Fig. 3, the first water pump being connected with all modules is opened after the start of multimode unit；Needed in current block
In the case of opening compressor or being had turned in the presence of other water pumps of module second, the water pump of current block second is opened；Current
In the case that module compressor is turned off, judge whether that compressor is turned off in all buses, if then all modules are closed
Second water pump；If running multimode unit after a period of time to shut down, all modules close the first water pump.
Fig. 4 is the work of the second fault of water pump control of multimode air-conditioner set water pump dispatch control method provided by the invention
Make flow chart.As shown in figure 4, according to a kind of embodiment of air-conditioning method of the present invention, the controller is additionally operable to：It is described
During second water pump operation, step S410 is performed, monitors the switch fault that second water pump is connected with module；Monitoring
When the switch being connected to second water pump with some module breaks down, step S420 is performed, to second water pump
The switch being connected with other modules carries out the judgement of failure situation；If the switch that second water pump is connected with other modules
All break down, then perform step S430, close second water pump.Fault management can improve the reliability of system, event occur
Switched off the pump in time during barrier, save the energy.
According to a kind of embodiment of air-conditioning method of the present invention, the controller is additionally operable to：Control first water
Pump is closed after the shutdown of multimode air-conditioner set after predetermined very first time threshold time；Second water pump is controlled to exist
The compressor of coupled all modules is closed after all closing after the second predetermined time threshold time.If air-conditioning
Unit shuts down or compressor close after switches off the pump at once, compressor abnormal protection can be caused due to water shortage, therefore will be through
Water pump is turned off after a period of time.The very first time threshold value and second time threshold according to the position of water pump,
It is exactly that the distance of distance is set, the time threshold apart from remote respective settings is big.
Specifically, the above-mentioned control for the first water pump is summarized as follows：Still one group is shared with whole multimode air-conditioner set
Exemplified by water pump (2 water pumps, i.e. the first water pump and the second water pump), after multimode unit is started shooting, that is, the first water pump is opened.If
During first water pump operation, the water flow switch failure of the water pump of connection first of some module, then to the connection of other modules
The water flow switch of first water pump is judged simultaneously, if water flow switch failure also all occur in other modules, closes first
Water pump, otherwise, the first water pump are still kept it turned on, and trouble-free module will can continue to normal operation.When multimode unit
After shutdown (and after all compressors close certain time), all modules close the first water pump.
Specifically, the above-mentioned control for the second water pump is summarized as follows：Still one group is shared with whole multimode air-conditioner set
Exemplified by water pump (2 water pumps, i.e. the first water pump and the second water pump), after multimode unit is started shooting, expire if there is operational blocks which partition system
The unlocking condition of sufficient compressor, then the second water pump of current block is opened immediately, meanwhile, after the unlatching of the second water pump, tell it
His module " the existing water pump of module second is opened ", after other modules receive the signal, opens the second water pump of itself.It is if current
After module operation a period of time, compressor has been switched off (standby or failure), then judges the compression of other modules in bus
Whether machine has been switched off, if the compressor of other modules also all has been switched off, closing the second water pump of all modules (reduces electricity
Amount loss), otherwise the second water pump keeps it turned on operation.If during the second water pump operation, the connection of some module
The water flow switch failure of second water pump, then the water flow switch of the water pump of connection second to other modules simultaneously judge, if
Also all there is water flow switch failure in other modules, then close the second water pump, and otherwise, the second water pump is still kept it turned on.When
After the shutdown of multimode unit (and after all compressors close certain time), all modules close the second water pump.
Another aspect of the present invention provides a kind of multimode air-conditioner set water pump system again.Fig. 5 is provided by the invention
The general frame figure of multimode air-conditioner set water pump system.As shown in figure 5, multimode air-conditioner set water pump system bag of the present invention
Include：At least one first water pump and at least one second water pump, each module in multimode air-conditioner set with one described the
One water pump and second water pump are connected；Controller, it is used for：First water pump is controlled to be opened in multimode air-conditioner set
Open during machine, closed after the shutdown of multimode air-conditioner set；Control second water pump coupled at least one
The compressor of module is opened in the case of opening, and is closed in the case where the compressor of coupled all modules is all closed
Close.
According to a kind of embodiment of multimode air-conditioner set water pump system of the present invention, the controller is additionally operable to：It is described
It is right when the switch for monitoring that first water pump is connected with some module breaks down during first water pump operation
The switch that first water pump is connected with other modules carries out the judgement of failure situation, if first water pump and other modules
The switch being connected all breaks down, then closes first water pump.
According to a kind of embodiment of multimode air-conditioner set water pump system of the present invention, the controller is additionally operable to：More
Before the compressor of some module is opened in module air-conditioner set, open the module and opened with what second water pump was connected
Close, while the second water pump open signal is sent to other modules being connected with second water pump；With the second water pump phase
Other modules response of connection receives the second water pump open signal, opens the switch being connected with second water pump.
According to a kind of embodiment of multimode air-conditioner set water pump system of the present invention, the controller is additionally operable to：More
The compressor of some module being connected in module air-conditioner set with second water pump is closed, standby or failure when, judge
Whether the compressor for other modules being connected with second water pump all closes, standby or failure, if then closing described the
Two water pumps.
According to a kind of embodiment of multimode air-conditioner set water pump system of the present invention, the controller is additionally operable to：It is described
It is right when the switch for monitoring that second water pump is connected with some module breaks down during second water pump operation
The switch that second water pump is connected with other modules carries out the judgement of failure situation, if second water pump and other modules
The switch being connected all breaks down, then closes second water pump.
According to a kind of embodiment of multimode air-conditioner set water pump system of the present invention, the controller is additionally operable to：Control
First water pump is closed after the shutdown of multimode air-conditioner set after predetermined very first time threshold time；Described in control
Second water pump after the compressor of coupled all modules is all closed after the second predetermined time threshold time
Close.
Another aspect of the present invention provides a kind of air-conditioner set again, has the system described in any of the above-described.
Technical scheme provided by the invention dispatches the public water pump of multimode by controller, has both reduced water pump quantity, drops again
Low project installation difficulty, so as to cost-effective.
Function described herein can be implemented in hardware, by the software of computing device, firmware or its any combinations.
If implement in the software by computing device, then computer can be stored in using function as one or more instructions or code
Transmitted on readable media or via computer-readable media.Other examples and embodiment will in of the invention and appended right
Ask in the scope and spirit of book.For example, be attributed to the property of software, function described above can be used by processor,
Hardware, firmware, hardwired appoint the software implementation that the combination of whichever performs in these.In addition, each functional unit can integrate
In a processing unit or unit is individually physically present, can also two or more units be integrated in
In one unit.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, as control fill
The part put can be or may not be physical location, can both be located at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (13)
- A kind of 1. multimode air-conditioner set water pump dispatch control method, it is characterised in that including：At least one first water pump and at least one second water pump are set, by each module in multimode air-conditioner set and one First water pump and second water pump are connected；Controller is set, is used for：First water pump is controlled to be opened when multimode air-conditioner set is started shooting, in multimode air conditioner Closed after group shutdown；Second water pump is controlled in the case where the compressor of at least one coupled module is opened Open, closed in the case where the compressor of coupled all modules is all closed.
- 2. according to the method for claim 1, it is characterised in that the controller is additionally operable to：The first water pump operation mistake Cheng Zhong, when monitoring that switch that first water pump is connected with some module breaks down, to first water pump with The switch that other modules are connected carries out the judgement of failure situation, if the switch that first water pump is connected with other modules is all Break down, then close first water pump.
- 3. method according to claim 1 or 2, it is characterised in that the controller is additionally operable to：In multimode air-conditioner set In some module compressor open before, open the switch that the module is connected with second water pump, at the same to institute State other modules that the second water pump is connected and send the second water pump open signal；Other modules being connected with second water pump Response receives the second water pump open signal, opens the switch being connected with second water pump.
- 4. according to the method any one of claim 1-3, it is characterised in that the controller is additionally operable to：In multimode The compressor of some module being connected in air-conditioner set with second water pump is closed, standby or failure when, judge and institute State other modules that the second water pump is connected compressor whether all close, standby or failure, he if then closes second water Pump.
- 5. according to the method any one of claim 1-4, it is characterised in that the controller is additionally operable to：Described second During water pump operation, when the switch for monitoring that second water pump is connected with some module breaks down, to described The switch that second water pump is connected with other modules carries out the judgement of failure situation, if second water pump is connected with other modules The switch connect all breaks down, then closes second water pump.
- 6. according to the method any one of claim 1-5, it is characterised in that the controller is additionally operable to：First water pump is controlled to be closed after the shutdown of multimode air-conditioner set after predetermined very first time threshold time；Second water pump is controlled when after the compressor of coupled all modules is all closed by predetermined second Between close after threshold time.
- A kind of 7. multimode air-conditioner set water pump system, it is characterised in that including：At least one first water pump and at least one second water pump, each module in multimode air-conditioner set with one described the One water pump and second water pump are connected；Controller, it is used for：Control first water pump to be opened when multimode air-conditioner set is started shooting, closed in multimode air-conditioner set Closed after machine；Second water pump is controlled to be opened in the case where the compressor of at least one coupled module is opened Open, closed in the case where the compressor of coupled all modules is all closed.
- 8. system according to claim 7, it is characterised in that the controller is additionally operable to：The first water pump operation mistake Cheng Zhong, when monitoring that switch that first water pump is connected with some module breaks down, to first water pump with The switch that other modules are connected carries out the judgement of failure situation, if the switch that first water pump is connected with other modules is all Break down, then close first water pump.
- 9. the system according to claim 7 or 8, it is characterised in that the controller is additionally operable to：In multimode air-conditioner set In some module compressor open before, open the switch that the module is connected with second water pump, at the same to institute State other modules that the second water pump is connected and send the second water pump open signal；Other modules being connected with second water pump Response receives the second water pump open signal, opens the switch being connected with second water pump.
- 10. according to the system any one of claim 7-9, it is characterised in that the controller is additionally operable to：In multimode The compressor of some module being connected in air-conditioner set with second water pump is closed, standby or failure when, judge and institute State other modules that the second water pump is connected compressor whether all close, standby or failure, he if then closes second water Pump.
- 11. according to the system any one of claim 7-10, it is characterised in that the controller is additionally operable to：Described During two water pump operations, when the switch for monitoring that second water pump is connected with some module breaks down, to institute The judgement that the switch that the second water pump is connected with other modules carries out failure situation is stated, if second water pump and other module phases The switch of connection all breaks down, then closes second water pump.
- 12. according to the system any one of claim 7-11, it is characterised in that the controller is additionally operable to：First water pump is controlled to be closed after the shutdown of multimode air-conditioner set after predetermined very first time threshold time；Second water pump is controlled when after the compressor of coupled all modules is all closed by predetermined second Between close after threshold time.
- 13. a kind of air-conditioner set, it is characterised in that there is the system as any one of claim 7-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567877.2A CN107449107B (en) | 2017-07-13 | 2017-07-13 | Multi-module air conditioning unit water pump scheduling control method, water pump system and air conditioning unit |
Applications Claiming Priority (1)
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| CN113899073A (en) * | 2021-10-29 | 2022-01-07 | 四川虹美智能科技有限公司 | Control system and method for circulating water pump of hot water unit |
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