CN107504623A - The control method and system of air-conditioner set water-carrying capacity - Google Patents

The control method and system of air-conditioner set water-carrying capacity Download PDF

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Publication number
CN107504623A
CN107504623A CN201710558290.5A CN201710558290A CN107504623A CN 107504623 A CN107504623 A CN 107504623A CN 201710558290 A CN201710558290 A CN 201710558290A CN 107504623 A CN107504623 A CN 107504623A
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water
water pump
flow
air
data
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CN107504623B (en
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吴迪
梅正茂
胡乾龙
李游
孙亚丽
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

This application provides a kind of control method and system of air-conditioner set water-carrying capacity, wherein, this method includes:Obtain Inlet and outlet water temperature difference data and data unit operation in air-conditioner set;According to the Inlet and outlet water temperature difference data and the data unit operation, first flow and second flow are determined;The first water pump is controlled to be run according to the first flow, the second water pump of control is run according to the second flow.Because the program by obtaining Inlet and outlet water temperature difference data and data unit operation in air-conditioner set in real time, first flow and second flow are adjusted in real time according to above-mentioned data, and then accurate and effective control can be carried out to the water-carrying capacity in unit.Therefore, the technical problem of accurate and effective regulation can not be carried out to air-conditioner set water-carrying capacity by solving present in existing method.

Description

The control method and system of air-conditioner set water-carrying capacity
Technical field
The present invention relates to air-conditioning unit allocation technical field, in particular to a kind of control of air-conditioner set water-carrying capacity Method and system processed.
Background technology
Air-conditioner set during operation, generally require by water pump for the normal operation of air-conditioner set provide satisfaction will The water-carrying capacity asked.With the popularization of converter technique, popularization, the regulation for water-carrying capacity in air-conditioner set requires more and more higher.Example Such as, it is desirable to which water pump is supplied to air-conditioner set water-carrying capacity to be adjusted in time according to the change of the operational factors such as frequency.
The control method of existing air-conditioner set water-carrying capacity it is usually used be firm discharge water pump, when it is implemented, Water pump can only be opened and closed according to service requirement, it is impossible to the flow of water pump is adjusted, can not be according to operation The situation of change of parameter is adjusted in real time.Generally during air-conditioner set is run, according to the greatest requirements of air-conditioner set, The water-carrying capacity of greatest requirements is provided.Otherwise, if water-carrying capacity is unsatisfactory for requiring, abnormal protection then occurs in air-conditioner set, seriously When be also possible to burn out unit.But if providing the water-carrying capacity of greatest requirements always, the waste of the energy can be caused again, is unfavorable for Environmental emission reduction.In summary, existing air-conditioner set water-carrying capacity control method when it is implemented, often exist can not be to air-conditioning Unit water-carrying capacity carries out the technical problem of accurate and effective regulation.
For how to solve above-mentioned technical problem present in existing method, effective settling mode is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of control method and system of air-conditioner set water-carrying capacity, to solve in existing method The existing technical problem that accurate and effective regulation can not be carried out to air-conditioner set water-carrying capacity.
The application embodiment provides a kind of control method of air-conditioner set water-carrying capacity, and methods described includes:Obtain empty Adjust Inlet and outlet water temperature difference data and data unit operation in unit;According to the Inlet and outlet water temperature difference data and the unit operation number According to determining first flow and second flow;The first water pump is controlled to be run according to the first flow, the second water pump of control is according to institute State second flow operation.
In one embodiment, methods described also includes:Whether detection air-conditioner set starts;Opened in the air-conditioner set In the case of dynamic, start first water pump according to default first aperture.
In one embodiment, methods described also includes:Whether detection load starts;In the situation that the load starts Under, start second water pump according to default second aperture.
In one embodiment, methods described also includes:Obtain water flow data;It is right according to the water flow data Load, first water pump, second water pump are adjusted.
In one embodiment, according to the water flow data, to load, first water pump, second water pump It is adjusted, including:Determine whether the water flow data meets preparatory condition;Meet in the water flow data described default In the case of condition, according to load described in lower water temperature;In the case where the water flow data is unsatisfactory for the preparatory condition, First water pump, second water pump are adjusted respectively.
In one embodiment, in the case where the water flow data is unsatisfactory for the preparatory condition, respectively to institute State the first water pump, second water pump is adjusted, including:The preparatory condition, and institute are unsatisfactory in the water flow data Water flow data is stated less than in the case of threshold flow, first water pump is adjusted by reducing the first flow, And/or second water pump is adjusted by reducing the second flow;It is unsatisfactory in the water flow data described pre- If condition, and in the case that the water flow data is more than the threshold flow, by increasing the first flow to described the One water pump is adjusted, and/or, second water pump is adjusted by increasing the second flow.
Based on identical inventive concept, embodiment further provides a kind of control system of air-conditioner set water-carrying capacity by the application System, the system include:Main control module, water conservancy module, the first water pump, the second water pump, wherein, the main control module is used to obtain Inlet and outlet water temperature difference data and data unit operation in air-conditioner set, and by the Inlet and outlet water temperature difference data and the unit operation number According to being sent to the water conservancy module;The water conservancy module is used for according to the Inlet and outlet water temperature difference data and the unit operation number According to, first flow and second flow are determined, and control first water pump to be run according to the first flow, control described second Water pump is run according to the second flow.
In one embodiment, the data unit operation includes at least one of:Condensation load data, refrigeration energy Force data, heating capacity data.
In one embodiment, first water pump is that second water pump is heat source side water pump using side water pump.
In one embodiment, the water conservancy module is additionally operable to obtain water flow data, and by the water flow data It is sent to the main control module.
In one embodiment, the main control module is additionally operable to, according to the water flow data, bear air-conditioner set Load is adjusted.
In one embodiment, the load includes at least one of:Compressor, electric expansion valve, four-way valve.
In the above-described embodiments, by detecting and obtaining Inlet and outlet water temperature difference data and unit operation number in air-conditioner set in real time According to corresponding adjustment being carried out to first flow and second flow in real time further according to above-mentioned data, and then can adjust by flow Water pump accurate and effective control is carried out to the water-carrying capacity in unit, to meet the specific service requirement of air-conditioner set in real time.Cause This, solve present in the control method of existing air-conditioner set water-carrying capacity air-conditioner set water-carrying capacity can not be carried out it is accurate, The technical problem effectively adjusted, reach the technology effect that water-carrying capacity according to the carrying out practically situation of air-conditioner set, can be adjusted in real time Fruit.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the control method of air-conditioner set water-carrying capacity according to embodiments of the present invention;
Fig. 2 is the structure composition schematic diagram of the control system of air-conditioner set water-carrying capacity according to embodiments of the present invention;
Fig. 3 is the control system of the air-conditioner set water-carrying capacity of the embodiment of the present invention applied in a Sample Scenario Structure chart;
Fig. 4 is the control system of the air-conditioner set water-carrying capacity using the embodiment of the present invention in a Sample Scenario to unit The schematic diagram that water-carrying capacity is specifically controlled.
Embodiment
It is right with reference to embodiment and accompanying drawing for the object, technical solutions and advantages of the present invention are more clearly understood The present invention is described in further details.Here, the exemplary embodiment of the present invention and its illustrate to be used to explain the present invention, but simultaneously It is not as a limitation of the invention.
The water pump of firm discharge, usual nothing are often used in view of the control method of existing air-conditioner set water-carrying capacity The specific flow of water pump is adjusted method, in order to prevent the underfed provided from causing unit to enter abnormal protection, often The water pump that maximum stream flow is opened when unit operation provides the water-carrying capacity of greatest requirements for unit, in order to avoid the water-carrying capacity provided Deficiency, but so handle the problem of waste of resource occurs again.In summary, the controlling party of existing air-conditioner set water-carrying capacity When it is implemented, the technical problem that accurate and effective regulation can not be carried out to air-conditioner set water-carrying capacity often be present in method.For producing The basic reason of above-mentioned technical problem, the controllable water pump of water-carrying capacity can be introduced by, which considering, carries out specific water-carrying capacity regulation, simultaneously Disengaging water-carrying capacity in detection air-conditioner set and related operational factor in real time, according to above-mentioned data in real time by control water pump Water-carrying capacity is specifically adjusted to air-conditioner set water-carrying capacity.So as to solve the control method of existing air-conditioner set water-carrying capacity Present in the technical problem of accurate and effective regulation can not be carried out to air-conditioner set water-carrying capacity, reaching can be according to air-conditioner set Specific running situation, the technique effect of water-carrying capacity is adjusted in real time.
Based on above-mentioned thinking thinking, the application embodiment provides a kind of control method of air-conditioner set water-carrying capacity.Tool Body can refer to the schematic flow sheet of the control method of the air-conditioner set water-carrying capacity according to embodiments of the present invention shown in Fig. 1.Should Method specifically may comprise steps of.
Step S101:Obtain Inlet and outlet water temperature difference data and data unit operation in air-conditioner set.
In this present embodiment, the data unit operation can be specifically air-conditioner set according to assigned frequency or requirement Supplemental characteristic during normal operation, it can specifically include:The condensation load data of air-conditioner set, refrigerating capacity data, heating energy Force data etc..Certainly, it is necessary to which explanation is that above-mentioned cited several data unit operations are intended merely to that this is better described Embodiment, when it is implemented, can also select other supplemental characteristics as the case may be as above-mentioned data unit operation.
In the present embodiment, when it is implemented, can in real time detect and obtain by the main control module of air-conditioner set Inlet and outlet water temperature difference data and data unit operation in air-conditioner set are stated, and then can be according to the analysis in real time of above-mentioned parameter data currently The water-carrying capacity situation of moment air-conditioner set, subsequently can more accurately to carry out corresponding adjustment to water-carrying capacity.
Step S102:According to the Inlet and outlet water temperature difference data and the data unit operation, first flow and second are determined Flow.
In the present embodiment, after air-conditioner set Inlet and outlet water temperature difference data and data unit operation is obtained, in order to analyze The water-carrying capacity situation gone out in air-conditioner set and the water-carrying capacity regulation strategy according to corresponding to determining specific water-carrying capacity situation, it is specific real Shi Shi, can be that water temperature difference data and data unit operation are sent to water conservancy module, water conservancy mould by the main control module of air-conditioner set Block can analyze the water-carrying capacity situation of air-conditioner set according to water temperature difference data and data unit operation, and be worked as according to air-conditioner set The service ability of water-carrying capacity demand and water pump under preceding working condition, it is determined that corresponding water-carrying capacity regulating strategy, that is, determine energy The optimal water-carrying capacity matched with unit:First flow and second flow.And then subsequently can be according to first flow and second flow Water-carrying capacity corresponding to progress controls.
Step S103:The first water pump is controlled to be run according to the first flow, the second water pump of control is according to the second Amount operation.
In the present embodiment, first water pump and second water pump can be specifically the controllable water pumps of flow.Tool When body is implemented, above-mentioned first water pump and the second water pump are connected with water conservancy module.In this way, water conservancy module can regulate and control according to water-carrying capacity Strategy, by individually adjusting the water-carrying capacity of the first water pump, or the individually water-carrying capacity of the second water pump of regulation, or adjust the first water simultaneously The water-carrying capacity of pump and the water-carrying capacity of the second water pump reach the purpose that real-time adjustment control is carried out to air-conditioner set water-carrying capacity.
In the present embodiment, above-mentioned first water pump can be specifically to use side water pump, and above-mentioned second water pump specifically can be with It is heat source side water pump.Wherein, will be run using side water pump typically when air-conditioner set is run by opening, heat source side water pump is general Unlatching operation can be carried out according to the running situation of load, such as compressor.
In the present embodiment, in order to meet the water-carrying capacity demand of air-conditioner set, while the water-carrying capacity mistake provided is also avoided The wastes for causing resource more, for example, the waste to electric energy, when it is implemented, by water conservancy module the first water pump can be controlled to press Run, i.e., control the Flow-rate adjustment of the first water pump in first flow according to the first flow.Meanwhile water conservancy module can be passed through Control the second cup to be run according to the second flow, i.e., control the Flow-rate adjustment of the second water pump in second flow.In this way, can To meet the operation demand of air-conditioner set in real time, required water-carrying capacity can also be reasonably provided, reduces unit entirety energy Consumption, avoiding providing maximum flow of water amount all the time causes the waste of resource.
In the present embodiment, it is necessary to which explanation is in order to efficiently and accurately control above-mentioned first water pump and the second water Pump is run according to specific water-carrying capacity strategy, when it is implemented, the main control module and water conservancy module in air-conditioner set can be utilized It is combined and first water pump and the second water pump is jointly controlled accordingly.
In the application embodiment, transported by detecting and obtaining Inlet and outlet water temperature difference data and unit in air-conditioner set in real time Row data, corresponding adjustment is carried out to first flow and second flow in real time further according to above-mentioned data, and then can by flow The water pump of regulation carries out accurate and effective control to the water-carrying capacity in unit, and to meet air-conditioner set in real time, specifically operation will Ask.Therefore, solving can not be carried out present in the control method of existing air-conditioner set water-carrying capacity to air-conditioner set water-carrying capacity The technical problem of accurate and effective regulation, reach the skill that water-carrying capacity according to the carrying out practically situation of air-conditioner set, can be adjusted in real time Art effect.
In one embodiment, first water pump is the use of side water pump, second water pump to be pyrogen side water pump Corresponding regulation is carried out to air-conditioner set water-carrying capacity according to the carrying out practically situation of air-conditioner set, when it is implemented, empty starting When adjusting unit, methods described can also comprise the following steps.
S1-1:Whether detection air-conditioner set starts.
S1-2:In the case where the air-conditioner set starts, start first water pump according to default first aperture.
In the present embodiment, when it is implemented, can detect whether the air-conditioner set starts by main control module, In the case of determining that the air-conditioner set starts, default first aperture can be sent to water conservancy module, water conservancy by main control module Module can control the operation of the first starting mode of pump according to above-mentioned default first aperture.
In the present embodiment, above-mentioned default first aperture can be specifically the first water pump when air-conditioner set normally starts The initial water-carrying capacity provided is provided.Certainly, when it is implemented, can require that setting is specific with Specific construction as the case may be Numerical value is as above-mentioned default first aperture.
In one embodiment, after air-conditioner set starts, for the startup situation in view of load, specific implementation When, after air-conditioner set is started, when starting to start air-conditioner set load, methods described can also specifically comprise the following steps.
S2-1:Whether detection load starts.
S2-2:In the case where the load starts, start second water pump according to default second aperture.
In the present embodiment, when it is implemented, can be detected by main control module the air-conditioner set load whether Start, in the case of it is determined that the load starts, default second aperture can be sent to water conservancy module, water by main control module Sharp module can control the operation of the second starting mode of pump according to above-mentioned default second aperture.
In the present embodiment, what above-mentioned default second aperture was similar can be specifically that load in air-conditioner set is normal The second water pump needs the initial water-carrying capacity provided during startup.Certainly, when it is implemented, can as the case may be and Specific construction It is required that the specific numerical value of setting is as above-mentioned default first aperture.
In the present embodiment, above-mentioned load can be specifically the compressor, electric expansion valve, four-way valve of air-conditioner set Deng.Certainly, it is necessary to which explanation, above-mentioned cited several loads are intended merely to that the application embodiment is better described, had When body is implemented, as the case may be, other devices can also be introduced and specifically considered as above-mentioned load.
In one embodiment, using the application embodiment provide air-conditioner set water-carrying capacity control method except It can in real time obtain and water-carrying capacity is controlled according to the Inlet and outlet water temperature difference data of air-conditioner set and data unit operation etc. outside, Corresponding control adjustment can also be carried out to load and water pump according to the situation of water-carrying capacity in air-conditioner set.When it is implemented, can To comprise the following steps.
S3-1:Obtain water flow data.
S3-2:According to the water flow data, load, first water pump, second water pump are adjusted.
In the present embodiment, water conservancy module can in real time detect and obtain water flow data in air-conditioner set and will be above-mentioned Water flow data is sent to main control module, and so that main control module is according to specific water flow data, joint water conservancy module is to air-conditioning Load, the first water pump in unit, the second water pump are specifically controlled to adjust, to ensure that air-conditioner set can be with preferably state Stable operation.
In one embodiment, it is above-mentioned according to the water flow data, to load, first water pump, described second Water pump is adjusted, and can specifically include herein below.
S3-2-1:Determine whether the water flow data meets preparatory condition.
S3-2-2:In the case where the water flow data meets the preparatory condition, according to load described in lower water temperature.
S3-2-3:In the case where the water flow data is unsatisfactory for the preparatory condition, respectively to first water pump, Second water pump is adjusted.
In the present embodiment, the preparatory condition is specifically determined for water-carrying capacity and air-conditioner set work at present shape The evaluation criterion whether condition matches.Meet the preparatory condition, it can be determined that water-carrying capacity and the working condition of air-conditioner set be in compared with Matching state, load can further be adjusted.It is unsatisfactory for the preparatory condition, it can be determined that water-carrying capacity and air-conditioner set Working condition is in the situation for being matching, it is necessary to first carry out related adjustment to water-carrying capacity or load so that water-carrying capacity meets to preset After condition, load that could be to air-conditioner set is further adjusted.In this way, it can preferably avoid water-carrying capacity appearance less than normal The abnormal protection of unit reduces energy consumption so that air-conditioner set can integrally stablize, efficiently normal operation.
In one embodiment, can be according in the case where the water flow data is unsatisfactory for the preparatory condition In the following manner is specifically adjusted to first water pump, second water pump respectively.
The preparatory condition is unsatisfactory in the water flow data, and the water flow data is less than the situation of threshold flow Under, first water pump is adjusted by reducing the first flow, and/or, by reducing the second flow to institute The second water pump is stated to be adjusted;
The preparatory condition is unsatisfactory in the water flow data, and the water flow data is more than the threshold flow In the case of, first water pump is adjusted by increasing the first flow, and/or, by increasing the second flow Second water pump is adjusted.
In the present embodiment, above-mentioned threshold flow can be specifically the stream determined according to air-conditioner set specific works state Value.When the water flow data is less than the threshold flow, it can be determined that the water-carrying capacity that air-conditioner set provides is less, it is impossible to full The demand of sufficient air-conditioner set normal work, the risk for the generation abnormal protection for causing unit because water-carrying capacity is too small be present.At this moment, Can be to closing or reducing fractional load, the first water pump of increase, the water-carrying capacity of the second water pump, until air-conditioner set water flow data After reaching the threshold flow, then load is further adjusted.When the water flow data is more than the threshold flow, It may determine that the water-carrying capacity that air-conditioner set provides is more, already exceed the demand of air-conditioner set normal work, waste air-conditioning be present The problem of unit entirety energy consumption, waste of resource.At this moment, the first water pump, the water-carrying capacity of the second water pump can suitably be reduced so that empty The water flow data of unit is adjusted to drop to the threshold flow.
In the present embodiment, it is necessary to which explanation is that above-mentioned threshold flow specifically can be according to the specific works of air-conditioner set The horsepower requirements of concrete condition and the air-conditioner set entirety loaded in pattern, air-conditioner set determine.Certainly, when it is implemented, Above-mentioned threshold flow can also be determined according to other correlation circumstances.On the other hand, the application is not construed as limiting.
As can be seen from the above description, the air-conditioner set water provided compared to existing method, the application embodiment The control method of flow, by detecting and obtaining Inlet and outlet water temperature difference data and data unit operation in air-conditioner set, then root in real time Carry out corresponding adjustment to first flow and second flow in real time according to above-mentioned data, and then the adjustable water pump pair of flow can be passed through Water-carrying capacity in unit carries out accurate and effective control, to meet the specific service requirement of air-conditioner set in real time.Therefore, solve Present in the control method of existing air-conditioner set water-carrying capacity accurate and effective regulation can not be carried out to air-conditioner set water-carrying capacity Technical problem, reach the technique effect that water-carrying capacity according to the carrying out practically situation of air-conditioner set, can be adjusted in real time;Further through Acquisition and the water flow data in air-conditioner set in real time, are accordingly adjusted to load, the first water pump, the second water pump, are reached To the technique effect for ensureing the operation of air-conditioner set monolithic stability;Also by the way that main control module and water conservancy module are combined, joined Close the efficient control for controlling and reaching to air-conditioner set water-carrying capacity.
Based on same inventive concept, a kind of control using above-mentioned air-conditioner set water-carrying capacity is additionally provided in the embodiment of the present invention The control system of the similar air-conditioner set water-carrying capacity of method processed, as described in the following examples.Due to air-conditioner set water-carrying capacity The principle that control system solves problem is similar to the control method of air-conditioner set water-carrying capacity, therefore the control of air-conditioner set water-carrying capacity The implementation of system may refer to the implementation of the control method of air-conditioner set water-carrying capacity, repeats part and repeats no more.Need what is illustrated It is that used in present specification, term " unit " or " module " can realize the software and/or hardware of predetermined function Combination.Although device described by following examples is preferably realized with software, hardware, or the group of software and hardware The realization of conjunction is also what may and be contemplated.Fig. 2 is the device of the control system of the air-conditioner set water-carrying capacity of the embodiment of the present invention Structural representation.Refer to Fig. 2.The system can specifically include following structure:Main control module 201, water conservancy module 202, One water pump 203, the second water pump 204, wherein,
The main control module 201 specifically can be used for obtaining Inlet and outlet water temperature difference data and unit operation number in air-conditioner set According to, and the Inlet and outlet water temperature difference data and the data unit operation are sent to the water conservancy module 202;
The water conservancy module 202 specifically can be used for according to the Inlet and outlet water temperature difference data and the data unit operation, First flow and second flow are determined, and controls first water pump 203 to be run according to the first flow, control described second Water pump 204 is run according to the second flow.
In the present embodiment, when it is implemented, above-mentioned main control module 201 and water conservancy module 202 can be combined, to first Water pump 203, and/or, the second water pump 204 more accurate and effective jointly control.
In the present embodiment, the water conservancy module 2022 is when it is implemented, can be according to the Inlet and outlet water temperature difference data Control individually is adjusted to the flow of first water pump 203 with the data unit operation, can also be single-ended to the second water Control is adjusted in the flow of pump 204, control can also be adjusted to the first water pump 203 and the second water pump 204 simultaneously.
In the present embodiment, the data unit operation includes at least one of:Condensation load data, refrigerating capacity Data, heating capacity data.Certainly, above-mentioned cited several data unit operations are intended merely to that the application reality is better described Mode is applied, when it is implemented, can also be as the case may be using other related datas as above-mentioned data unit operation.
In one embodiment, first water pump 203 is specifically as follows using side water pump, second water pump 204 It is specifically as follows heat source side water pump.Also, in order to which the flow of above-mentioned water pump is adjusted, above-mentioned first water pump 203, second Water pump 204 is specifically as follows the controllable water pump of flow, i.e., is not the water pump of firm discharge.
In one embodiment, main control module 201 and water conservancy module 202 are except can be according to Inlet and outlet water in air-conditioner set , can also be according to the water flow data of air-conditioner set to air-conditioner set outside temperature difference data and data unit operation regulating water flow Load is accordingly adjusted.It can specifically be performed according to herein below.
The water conservancy module 202 specifically be can be also used for obtaining water flow data, and the water flow data is sent to The main control module 201.
The main control module 201 specifically be can be also used for according to the water flow data, and the load to air-conditioner set is carried out Regulation.
In the present embodiment, the load can specifically include at least one of:Compressor, electric expansion valve, four Port valve.Certainly when it is implemented, other apparatus can also be selected as above-mentioned load as the case may be.On the other hand, this Application is not construed as limiting.
In one embodiment, main control module 201 and water conservancy module 202 can be combined to determine the water-carrying capacity number According to whether meeting preparatory condition;And in the case where the water flow data meets the preparatory condition, according to lower water temperature institute State load;In the case where the water flow data is unsatisfactory for the preparatory condition, respectively to first water pump, described second Water pump is adjusted.
In one embodiment, in the case where the water flow data is unsatisfactory for the preparatory condition, main control module 201 and water conservancy module 202 specifically first water pump, second water pump specifically can be adjusted respectively in such a way Section.
The preparatory condition is unsatisfactory in the water flow data, and the water flow data is less than the situation of threshold flow Under, first water pump is adjusted by reducing the first flow, and/or, by reducing the second flow to institute The second water pump is stated to be adjusted;
The preparatory condition is unsatisfactory in the water flow data, and the water flow data is more than the threshold flow In the case of, first water pump is adjusted by increasing the first flow, and/or, by increasing the second flow Second water pump is adjusted.
As can be seen from the above description, it can be seen that compared to existing system, what the application embodiment provided The control system of air-conditioner set water-carrying capacity, by being used in combination main control module and water conservancy module detects and obtains air-conditioner set in real time Middle Inlet and outlet water temperature difference data and data unit operation, first flow and second flow are carried out in real time further according to above-mentioned data corresponding It is determined that and then can be by the control accurate and effective to the water-carrying capacity progress in unit of the adjustable water pump of flow, with full in real time The sufficient specific service requirement of air-conditioner set.Therefore, solves nothing present in the control method of existing air-conditioner set water-carrying capacity Method carries out the technical problem of accurate and effective regulation to air-conditioner set water-carrying capacity, and reaching can be according to the carrying out practically of air-conditioner set Situation, the technique effect of water-carrying capacity is adjusted in real time;Further through the acquisition in real time of water conservancy module and the water-carrying capacity in air-conditioner set Data, load, the first water pump, the second water pump are accordingly adjusted, reach the technology for ensureing the operation of air-conditioner set monolithic stability Effect;Also by the way that main control module and water conservancy module are combined, jointly control and reach to the efficient of air-conditioner set water-carrying capacity Control.
In a specific Sample Scenario, the control system of the air-conditioner set water-carrying capacity provided using the application is empty to certain Adjusting system starts, run, the water-carrying capacity in closing process is specifically adjusted.Specifically can be with reference to shown in Fig. 3 a field Shown in the structure chart of the control system of the air-conditioner set water-carrying capacity of the embodiment of the present invention applied in scape example, Fig. 4 one The control system of air-conditioner set water-carrying capacity in individual Sample Scenario using the embodiment of the present invention is specifically controlled to unit water-carrying capacity The schematic diagram of system, is performed according to herein below.
S1:Air-conditioner set is opened, main control module opens the initial of water pump 1 (the first water pump i.e. in the application embodiment) Degree K1 (i.e. default first aperture) is sent to water conservancy module, and water conservancy module opens water pump 1 according to initial opening K1.When there is air-conditioning When compressor in unit needs to open, main control module is initial by water pump 2 (the second water pump i.e. in the application embodiment) Aperture K2 (i.e. default second aperture) is sent to water conservancy module, and water conservancy module opens water pump 2 with initial opening K2, and water pump is opened Afterwards, water conservancy module by water pump 1, water pump 2 open degree feedback to main control module.
S2:After compressor is opened, main control module is by the disengaging water temperature difference of unit, condensation load and refrigerating/heating ability etc. (i.e. data unit operation) is sent to water conservancy module, and optimal water-carrying capacity (i.e. first is calculated by data above in water conservancy module Flow and second flow), and according to the aperture of optimal flux regulation water pump 1, water pump 2, and in real time by current water-carrying capacity number According to feeding back to main control module.
S3:Main control module is after the water flow data of water conservancy module feedback is received, it can be determined that the current of air-conditioner set Whether amount meets the regulatory demand of compressor even load.If it is satisfied, then adjust compressor frequency, electronics according to conditions such as water temperatures Expansion valve opening even load, to keep unit to be run according to specified requirement on stable;Provided that water-carrying capacity it is less than normal, then Water conservancy module is fed back in time to be adjusted while carry out suitable control to load, is carried out again after water-carrying capacity meets to require corresponding Load regulation, to prevent from occurring the abnormal protection of unit because water-carrying capacity is less than normal;If water-carrying capacity is bigger than normal, water conservancy mould is fed back to Block, carry out turning down regulation, by controlling water pump 1 and water pump 2 to reduce flow, to reduce unit entirety energy consumption.
S4:After use is terminated, herein below can specifically be included by closing air-conditioner set.When all compression offices in unit After closing, main control module sends minimum water-carrying capacity demand and gives water conservancy module, and water conservancy module transports the aperture regulation of water pump 2 to minimum OK, energy consumption is both reduced, the frequent opening and closing of water pump can be avoided again, cause service life to shorten.If air-conditioner set closes Machine, then main control module give water pump shutdown signal to water conservancy module, water conservancy module can switch off the pump 2 and water successively according to the signal Pump 1.
In the present embodiment, it is necessary to which what is supplemented is optimal water-carrying capacity (the i.e. first flow and second of water pump 1, water pump 2 Amount) it can specifically determine in such a way.
The optimal water-carrying capacity (i.e. the first water-carrying capacity) of water pump 1 can be expressed as:H1=a*Q.Wherein, a is the Inlet and outlet water of water pump 1 Temperature difference coefficient, Q are unit refrigerating/heating ability.
The optimal water-carrying capacity (i.e. the second water-carrying capacity) of water pump 2 can be expressed as:H2=b*P.Wherein, b is the Inlet and outlet water of water pump 2 Temperature difference coefficient, P are condensation load.
By above-mentioned Sample Scenario, the control system of the air-conditioner set water-carrying capacity provided using the application embodiment is demonstrated System and method can solve really can not be to air-conditioner set current present in the control method of existing air-conditioner set water-carrying capacity Amount carries out the technical problem of accurate and effective regulation, and current can be adjusted in real time according to the carrying out practically situation of air-conditioner set by reaching The technique effect of amount.
In another embodiment, a kind of software is additionally provided, the software is used to perform above-described embodiment and preferred reality Apply the technical scheme described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored with the storage medium, should Storage medium includes but is not limited to:CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with Realized with general computing device, they can be concentrated on single computing device, or are distributed in multiple computing devices On the network formed, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to by it Store and performed in the storage device by computing device, and in some cases, can be to be held different from order herein They, are either fabricated to each integrated circuit modules or will be multiple in them by the shown or described step of row respectively Module or step are fabricated to single integrated circuit module to realize.So, the embodiment of the present invention is not restricted to any specific hard Part and software combine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles of the invention, made Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.

Claims (12)

  1. A kind of 1. control method of air-conditioner set water-carrying capacity, it is characterised in that including:
    Obtain Inlet and outlet water temperature difference data and data unit operation in air-conditioner set;
    According to the Inlet and outlet water temperature difference data and the data unit operation, first flow and second flow are determined;
    The first water pump is controlled to be run according to the first flow, the second water pump of control is run according to the second flow.
  2. 2. according to the method for claim 1, it is characterised in that methods described also includes:
    Whether detection air-conditioner set starts;
    In the case where the air-conditioner set starts, start first water pump according to default first aperture.
  3. 3. according to the method for claim 1, it is characterised in that methods described also includes:
    Whether detection load starts;
    In the case where the load starts, start second water pump according to default second aperture.
  4. 4. according to the method for claim 1, it is characterised in that methods described also includes:
    Obtain water flow data;
    According to the water flow data, load, first water pump, second water pump are adjusted.
  5. 5. according to the method for claim 4, it is characterised in that according to the water flow data, to load, first water Pump, second water pump are adjusted, including:
    Determine whether the water flow data meets preparatory condition;
    In the case where the water flow data meets the preparatory condition, according to load described in lower water temperature;
    In the case where the water flow data is unsatisfactory for the preparatory condition, respectively to first water pump, second water Pump is adjusted.
  6. 6. according to the method for claim 5, it is characterised in that be unsatisfactory for the preparatory condition in the water flow data In the case of, first water pump, second water pump are adjusted respectively, including:
    The preparatory condition is unsatisfactory in the water flow data, and in the case that the water flow data is less than threshold flow, First water pump is adjusted by reducing the first flow, and/or, by reducing the second flow to described Two water pumps are adjusted;
    The preparatory condition is unsatisfactory in the water flow data, and the water flow data is more than the situation of the threshold flow Under, first water pump is adjusted by increasing the first flow, and/or, by increasing the second flow to institute The second water pump is stated to be adjusted.
  7. 7. a kind of control system of air-conditioner set water-carrying capacity, it is characterised in that the system includes:
    Main control module, water conservancy module, the first water pump, the second water pump, wherein,
    The main control module is used to obtain Inlet and outlet water temperature difference data and data unit operation in air-conditioner set, and by the Inlet and outlet water Temperature difference data and the data unit operation are sent to the water conservancy module;
    The water conservancy module is used for according to the Inlet and outlet water temperature difference data and the data unit operation, determines first flow and the Two flows, and control first water pump to be run according to the first flow, second water pump is controlled according to the second Amount operation.
  8. 8. system according to claim 7, it is characterised in that the data unit operation includes at least one of:It is cold Solidifying load data, refrigerating capacity data, heating capacity data.
  9. 9. system according to claim 7, it is characterised in that first water pump is to use side water pump, second water Pump is heat source side water pump.
  10. 10. system according to claim 7, it is characterised in that
    The water conservancy module is additionally operable to obtain water flow data, and the water flow data is sent into the main control module.
  11. 11. system according to claim 10, it is characterised in that
    The main control module is additionally operable to according to the water flow data, and the load to air-conditioner set is adjusted.
  12. 12. system according to claim 11, it is characterised in that the load includes at least one of:Compress mechanical, electrical Sub- expansion valve, four-way valve.
CN201710558290.5A 2017-07-10 2017-07-10 Control method and system for water flow of air conditioning unit Active CN107504623B (en)

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CN204943783U (en) * 2015-06-23 2016-01-06 北京启能科技发展有限公司 Freezing water system of central air conditioner silent energy-saving running device
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CN101769586A (en) * 2010-02-04 2010-07-07 无锡永信能源科技有限公司 Cold (warm) water circulation energy efficiency control method and cold (warm) water circulation energy efficiency control device for central air-conditioning system
GB2500966A (en) * 2012-04-04 2013-10-09 Ibm Cooling control system and method for a data centre
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CN204943783U (en) * 2015-06-23 2016-01-06 北京启能科技发展有限公司 Freezing water system of central air conditioner silent energy-saving running device
CN105004002A (en) * 2015-07-06 2015-10-28 西安建筑科技大学 Energy saving control system and energy saving control method used for central air conditioner cooling water system
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