CN104567164A - Heat recovery unit and control method and device thereof - Google Patents
Heat recovery unit and control method and device thereof Download PDFInfo
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- CN104567164A CN104567164A CN201510031687.XA CN201510031687A CN104567164A CN 104567164 A CN104567164 A CN 104567164A CN 201510031687 A CN201510031687 A CN 201510031687A CN 104567164 A CN104567164 A CN 104567164A
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- heat exchanger
- unit
- recuperation
- heat
- judging
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a heat recovery unit and a control method and device of the heat recovery unit. The control method of the heat recovery unit includes: timing the working time of the heat recovery unit and obtaining a first timing time; judging whether the first timing time reaches a first preset time; extracting coolants from a first heat exchanger to a second heat exchanger under the condition that the first timing time reaches to the first preset time, the first heat exchanger is a heat exchanger which is in a non-working status in the heat recovery unit, and the second heat exchanger is a heat exchanger which is in working status in the heat recovery unit. The heat recovery unit and the control method and device of the heat recovery unit solve the problem that fault is easy to occur for the existing heat recovery units and improve the operational stability and the reliability of the heat recovery unit.
Description
Technical field
The present invention relates to household appliance technical field, in particular to a kind of recuperation of heat unit and control method thereof and device.
Background technology
For current recovery type heat unit, generally there are five kinds of patterns :+the hot water that freezes, heats, freezes, water heating, heat+water heating; Unit has air-conditioning package, hot water package and fin tracheae 3 heat exchangers altogether, and no matter unit runs in what mode, all can only use 2 heat exchangers wherein, makes remaining 1 heat exchanger be in idle state.
Because the processing of each components and parts of system and manufacture all exist certain error, there is inevitable defect in components and parts itself, wherein all there is certain leakage in the valve such as electric expansion valve, check valve, magnetic valve, cross valve, make in recuperation of heat unit running process, refrigerant can be revealed toward idle package place, and after heat recovery machine group long-play, the coolant quantity needed for system cloud gray model is less, cause recuperation of heat unit to occur abnormal, affect the Performance And Reliability of recuperation of heat unit.
For the easy out of order problem of recuperation of heat unit in prior art, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of recuperation of heat unit and control method thereof and device, to solve the easy out of order problem of recuperation of heat unit in prior art.
To achieve these goals, according to an aspect of the embodiment of the present invention, a kind of control method of recuperation of heat unit is provided.
Control method according to recuperation of heat unit of the present invention comprises: carry out timing to the running time of described recuperation of heat unit, obtain the first timing time; Judge whether described first timing time reaches the first Preset Time; And when judging that described first timing time reaches described first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, described First Heat Exchanger is the heat exchanger being in off working state in described recuperation of heat unit, and described second heat exchanger is heat exchanger in running order in described recuperation of heat unit.
Further, when judging that described first timing time reaches described first Preset Time, and before extracting refrigerant to the second heat exchanger from First Heat Exchanger, described control method also comprises: the compressor shutdown controlling described recuperation of heat unit; Monitor the duty parameter of described recuperation of heat unit; Judge whether described duty parameter meets the compressor start up condition of described compressor; And when judging that described duty parameter meets the compressor start up condition of described compressor, control described compressor again to start, wherein, when described compressor start-up time reaches the second Preset Time again, extract refrigerant to described second heat exchanger from described First Heat Exchanger.
Further, when judging that described first timing time reaches described first Preset Time, and before extracting refrigerant to the second heat exchanger from First Heat Exchanger, described control method also comprises: the operational mode obtaining described recuperation of heat unit; And judge whether described operational mode is preset mode, wherein, described preset mode is defrost pattern or anti-freezing pattern, wherein, when judging that described operational mode is described preset mode, after described recuperation of heat unit exits described operational mode, extract refrigerant to described second heat exchanger from described First Heat Exchanger.
Further, when judging that described first timing time reaches described first Preset Time, extracting refrigerant to the second heat exchanger from First Heat Exchanger and comprising: the magnetic valve controlling described First Heat Exchanger and described second heat exchanger all powers on; Timing is carried out to the power-on time of the magnetic valve of described First Heat Exchanger, obtains the second timing time; Judge whether described second timing time reaches the 3rd Preset Time; And when judging that described second timing time reaches described 3rd Preset Time, control the magnetic valve power-off of described First Heat Exchanger.
Further, in the equal power up of magnetic valve controlling described First Heat Exchanger and described second heat exchanger, described control method also comprises: the air-conditioner water pump controlling described recuperation of heat unit is opened.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of control device of recuperation of heat unit.
Control device according to recuperation of heat unit of the present invention comprises: timing unit, for carrying out timing the running time of described recuperation of heat unit, obtains the first timing time; First judging unit, for judging whether described first timing time reaches the first Preset Time; And extracting unit, for when judging that described first timing time reaches described first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, described First Heat Exchanger is the heat exchanger being in off working state in described recuperation of heat unit, and described second heat exchanger is heat exchanger in running order in described recuperation of heat unit.
Further, described control device also comprises: the first control unit, for controlling the compressor shutdown of described recuperation of heat unit; Monitoring means, for monitoring the duty parameter of described recuperation of heat unit; Second judging unit, for judging whether described duty parameter meets the compressor start up condition of described compressor; And second control unit, for when judging that described duty parameter meets the compressor start up condition of described compressor, control described compressor again to start, wherein, when described compressor start-up time reaches the second Preset Time again, described extracting unit extracts refrigerant to described second heat exchanger from described First Heat Exchanger.
Further, described control device also comprises: acquiring unit, for obtaining the operational mode of described recuperation of heat unit; And the 3rd judging unit, for judging whether described operational mode is preset mode, wherein, described preset mode is defrost pattern or anti-freezing pattern, wherein, when judging that described operational mode is described preset mode, after described recuperation of heat unit exits described operational mode, described extracting unit extracts refrigerant to described second heat exchanger from described First Heat Exchanger.
Further, described extracting unit comprises: the first control module, all powers on for the magnetic valve controlling described First Heat Exchanger and described second heat exchanger; Timing module, the power-on time for the magnetic valve to described First Heat Exchanger carries out timing, obtains the second timing time; Judge module, for judging whether described second timing time reaches the 3rd Preset Time; And second control module, for when judging that described second timing time reaches described 3rd Preset Time, control the magnetic valve power-off of described First Heat Exchanger.
Further, described control device also comprises: the 3rd control unit, and in the equal power up of magnetic valve controlling described First Heat Exchanger and described second heat exchanger, the air-conditioner water pump controlling described recuperation of heat unit is opened.
To achieve these goals, according to the another aspect of the embodiment of the present invention, provide a kind of recuperation of heat unit.
Recuperation of heat unit according to the present invention comprise that foregoing provides any one described in the control device of recuperation of heat unit.
According to inventive embodiments, adopting carrying out timing the running time of described recuperation of heat unit, obtaining the first timing time; Judge whether described first timing time reaches the first Preset Time; And when judging that described first timing time reaches described first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, described First Heat Exchanger is the heat exchanger being in off working state in described recuperation of heat unit, and described second heat exchanger is heat exchanger in running order in described recuperation of heat unit.By the operation control method of change recuperation of heat unit; the heat exchanger of refrigerant to duty is extracted from the heat exchanger of idle state after unit operation a period of time; by this drawing liquid action, the refrigerant needed for unit is extracted in unit again; ensure the coolant quantity needed for unit operation; unit is avoided to occur cancel closedown because refrigerant reduces; solve the easy out of order problem of recuperation of heat unit in prior art, reach the effect improving recuperation of heat unit operation stability and reliability.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method of recuperation of heat unit according to the embodiment of the present invention;
Fig. 2 is the workflow schematic diagram of control method under water heating pattern according to the recuperation of heat unit of the embodiment of the present invention; And
Fig. 3 is the schematic diagram of the control device of recuperation of heat unit according to the embodiment of the present invention.
Detailed description of the invention
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in description of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment 1
According to the embodiment of the present invention, provide a kind of embodiment of the method that may be used for implementing the application's device embodiment, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
According to the embodiment of the present invention, provide a kind of control method of recuperation of heat unit.Fig. 1 is the flow chart of the control method of recuperation of heat unit according to the embodiment of the present invention, and as shown in Figure 1, the method comprises following step S102 to step S106:
S102: carry out timing to the running time of recuperation of heat unit, obtain the first timing time, particularly, refers to carrying out timing the running time of the compressor of recuperation of heat unit carrying out timing the running time of recuperation of heat unit.
S104: judge whether the first timing time reaches the first Preset Time, namely, are compared the running time of compressor and the first Preset Time preset, wherein, the concrete duration of the first Preset Time can be arranged according to demand.
S106: when judging that the first timing time reaches the first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, First Heat Exchanger is the heat exchanger being in off working state in recuperation of heat unit, second heat exchanger is heat exchanger in running order in recuperation of heat unit, namely, the running time of the compressor of recuperation of heat unit, when being greater than or equal to the first Preset Time, the heat exchanger being in off working state from recuperation of heat unit extracted heat exchanger in running order in refrigerant to recuperation of heat unit.In the present embodiment, recuperation of heat unit has five kinds of mode of operations, be refrigeration mode, heating mode, refrigeration mode+hot-water mode, water heating pattern, heating mode+water heating pattern respectively, recuperation of heat unit comprises 3 heat exchangers, is air-conditioning package, hot water package and fin tracheae respectively.No matter when which kind of mode of operation this recuperation of heat unit be, all only have two heat exchanger work.Such as: when the mode of operation of recuperation of heat unit is water heating pattern, First Heat Exchanger is air-conditioning package, and the second heat exchanger comprises hot water package and fin tracheae.
In embodiments of the present invention; by the operation control method of change recuperation of heat unit; the heat exchanger of refrigerant to duty is extracted from the heat exchanger of idle state after unit operation a period of time; by this drawing liquid action, the refrigerant needed for unit is extracted in unit again; ensure the coolant quantity needed for unit operation; unit is avoided to occur cancel closedown because refrigerant reduces; solve the easy out of order problem of recuperation of heat unit in prior art, reach the effect improving recuperation of heat unit operation stability and reliability.
Particularly, when judging that the first timing time reaches the first Preset Time, and before extracting refrigerant to the second heat exchanger from First Heat Exchanger, the control method that the invention process arranges the recuperation of heat unit provided also comprises: the compressor shutdown controlling recuperation of heat unit; The duty parameter of monitoring recuperation of heat unit, particularly, duty parameter comprises the parameter such as environment temperature, package Inlet and outlet water temperature; Judge whether duty parameter meets the compressor start up condition of compressor, that is, judge whether the parameter such as environment temperature, package Inlet and outlet water temperature monitored meets the compressor start up condition of compressor; When judging that duty parameter meets the compressor start up condition of compressor, controlling compressor and again starting, wherein, when compressor start-up time reaches the second Preset Time again, extract refrigerant to the second heat exchanger from First Heat Exchanger.Particularly, the concrete duration of the second Preset Time also can be arranged according to demand, and can be identical with the duration of the first Preset Time, also can be different from the duration of the first Preset Time.
It should be noted that, the compressor start up condition of the recuperation of heat unit of different model is different, in embodiments of the present invention, can arrange concrete compressor start up condition according to the concrete model of recuperation of heat unit.
Fig. 2 is the workflow schematic diagram of control method under water heating pattern according to the recuperation of heat unit of the embodiment of the present invention.See Fig. 2, First Heat Exchanger is air-conditioning package, and the second heat exchanger is at least one heat exchanger in hot water package and fin tracheae.Run in the compressor start of recuperation of heat unit and start timing, after having run the first Preset Time, enforce compression machine is shut down, the duty parameter of monitoring recuperation of heat unit, and judges whether the duty parameter monitored meets compressor start up condition.When the duty parameter judging to monitor meets the compressor start up condition of recuperation of heat unit, compressor starts again.When after compressor again startup optimization second Preset Time, air-conditioning package (namely, First Heat Exchanger) magnetic valve open, drawing liquid to the second heat exchanger (hot water package) is carried out from air-conditioning package (First Heat Exchanger), the magnetic valve power-off of air-conditioning package (First Heat Exchanger) after drawing liquid completes, recuperation of heat unit continues normal operation.
Particularly, when judging that the first timing time reaches the first Preset Time, and before extracting refrigerant to the second heat exchanger from First Heat Exchanger, the control method that the invention process arranges the recuperation of heat unit provided also comprises: the operational mode obtaining recuperation of heat unit, particularly, the compressor of recuperation of heat unit can comprise plurality of operating modes, such as defrost pattern, anti-freezing pattern etc.; Judge whether operational mode is preset mode, wherein, preset mode is defrost pattern or anti-freezing pattern, that is, judge whether the operational mode got is defrost pattern or anti-freezing pattern; Wherein, when judging that operational mode is preset mode, after recuperation of heat unit pattern out of service, extract refrigerant to the second heat exchanger from First Heat Exchanger.
In embodiments of the present invention, if the operational mode of compressor is defrost pattern, then after defrost completes, then perform from First Heat Exchanger extraction refrigerant to the second heat exchanger; Same, if the operational mode of compressor is anti-freezing pattern, then after antifreeze completing, then perform from First Heat Exchanger extraction refrigerant to the second heat exchanger.
It should be noted that, if the operational mode of the compressor of the recuperation of heat unit got be defrost pattern or anti-freezing pattern time, to carrying out in timing course the running time of recuperation of heat unit, the running time of defrost pattern or anti-freezing pattern also calculates in this timing time.
Particularly, when judging that the first timing time reaches the first Preset Time, extracting refrigerant to the second heat exchanger from First Heat Exchanger and comprising: the magnetic valve controlling First Heat Exchanger and the second heat exchanger all powers on; Carry out timing to the power-on time of the magnetic valve of First Heat Exchanger, obtain the second timing time, particularly, the second timing time is the time extracting refrigerant to the second heat exchanger from First Heat Exchanger; Judge whether the second timing time reaches the 3rd Preset Time, namely, judge whether the time from First Heat Exchanger extraction to the second heat exchanger reaches the 3rd Preset Time, the 3rd Preset Time is that default refrigerant extracts the time, and the length of concrete time can be determined according to demand; When judging that the second timing time reaches the 3rd Preset Time, control the magnetic valve power-off of First Heat Exchanger, namely, when reaching the default refrigerant extraction time from First Heat Exchanger extraction to the time of the second heat exchanger, no longer refrigerant is extracted from First Heat Exchanger.
Preferably, in the equal power up of magnetic valve controlling First Heat Exchanger and the second heat exchanger, the control method that the invention process arranges the recuperation of heat unit provided also comprises the air-conditioner water pump unlatching controlling recuperation of heat unit.
In embodiments of the present invention; by in the process powered on to the magnetic valve of First Heat Exchanger and the second heat exchanger; open the water pump of air-conditioner; serve and protect First Heat Exchanger and the second heat exchanger not to be damaged by frost, and then reach the effect in the security improving recuperation of heat unit and the service life extending recuperation of heat unit.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in description all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that can add required general hardware platform by software according to the method for above-described embodiment and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 2
According to the embodiment of the present invention, additionally provide a kind of control device of recuperation of heat unit of the control method for implementing above-mentioned recuperation of heat unit, this control device is mainly used in the control method that execution embodiment of the present invention foregoing provides, and does concrete introduction below to the control device of the recuperation of heat unit that the embodiment of the present invention provides:
Fig. 3 is the schematic diagram of the control device of recuperation of heat unit according to the embodiment of the present invention, and as shown in Figure 3, this device mainly comprises timing unit 10, first judging unit 20 and extracting unit 30, wherein:
Timing unit 10, for carrying out timing the running time of recuperation of heat unit, obtains the first timing time, particularly, refers to carrying out timing the running time of the compressor of recuperation of heat unit carrying out timing the running time of recuperation of heat unit.
First judging unit 20 is for judging whether the first timing time reaches the first Preset Time, and namely, are compared the running time of compressor and the first Preset Time preset, wherein, the concrete duration of the first Preset Time can be arranged according to demand.
Extracting unit 30 is for when judging that the first timing time reaches the first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, First Heat Exchanger is the heat exchanger being in off working state in recuperation of heat unit, second heat exchanger is heat exchanger in running order in recuperation of heat unit, namely, the running time of the compressor of recuperation of heat unit, when being greater than or equal to the first Preset Time, the heat exchanger being in off working state from recuperation of heat unit extracted heat exchanger in running order in refrigerant to recuperation of heat unit.In the present embodiment, recuperation of heat unit has five kinds of mode of operations, be refrigeration mode, heating mode, refrigeration mode+hot-water mode, water heating pattern, heating mode+water heating pattern respectively, recuperation of heat unit comprises 3 heat exchangers, is air-conditioning package, hot water package and fin tracheae respectively.No matter when which kind of mode of operation this recuperation of heat unit be, all only have two heat exchanger work.Such as: when the mode of operation of recuperation of heat unit is water heating pattern, First Heat Exchanger is air-conditioning package, and the second heat exchanger comprises hot water package and fin tracheae.
In embodiments of the present invention; by the operation control method of change recuperation of heat unit; the heat exchanger of refrigerant to duty is extracted from the heat exchanger of idle state after unit operation a period of time; by this drawing liquid action, the refrigerant needed for unit is extracted in unit again; ensure the coolant quantity needed for unit operation; unit is avoided to occur cancel closedown because refrigerant reduces; solve the easy out of order problem of recuperation of heat unit in prior art, reach the effect improving recuperation of heat unit operation stability and reliability.
Particularly, the control device of the recuperation of heat unit that the embodiment of the present invention provides also comprises the first control unit, monitoring means, the second judging unit and the second control unit, and wherein, the first control unit is for controlling the compressor shutdown of recuperation of heat unit; Monitoring means is for monitoring the duty parameter of recuperation of heat unit, and particularly, duty parameter comprises the parameter such as environment temperature, package Inlet and outlet water temperature; Second judging unit for judging whether duty parameter meets the compressor start up condition of compressor, that is, judges whether the parameter such as environment temperature, package Inlet and outlet water temperature monitored meets the compressor start up condition of compressor; Second control unit is used for when judging that duty parameter meets the compressor start up condition of compressor, control compressor again to start, wherein, when compressor start-up time reaches the second Preset Time again, extracting unit extracts refrigerant to the second heat exchanger from First Heat Exchanger.Particularly, the concrete duration of the second Preset Time also can be arranged according to demand, and can be identical with the duration of the first Preset Time, also can be different from the duration of the first Preset Time.
It should be noted that, the compressor start up condition of the recuperation of heat unit of different model is different, in embodiments of the present invention, can arrange concrete compressor start up condition according to the concrete model of recuperation of heat unit.
Particularly, the control device of the recuperation of heat unit that the embodiment of the present invention provides also comprises acquiring unit and the 3rd judging unit, wherein, acquiring unit is for obtaining the operational mode of recuperation of heat unit, particularly, the compressor of recuperation of heat unit can comprise plurality of operating modes, such as defrost pattern, anti-freezing pattern etc.; 3rd judging unit, for judging whether operational mode is preset mode, wherein, preset mode is defrost pattern or anti-freezing pattern, wherein, when judging that operational mode is preset mode, after recuperation of heat unit pattern out of service, extracting unit extracts refrigerant to the second heat exchanger from First Heat Exchanger.
In embodiments of the present invention, if the operational mode of compressor is defrost pattern, then after defrost completes, then perform from First Heat Exchanger extraction refrigerant to the second heat exchanger; Same, if the operational mode of compressor is anti-freezing pattern, then after antifreeze completing, then perform from First Heat Exchanger extraction refrigerant to the second heat exchanger.
It should be noted that, if the operational mode of the compressor of the recuperation of heat unit got be defrost pattern or anti-freezing pattern time, to carrying out in timing course the running time of recuperation of heat unit, the running time of defrost pattern or anti-freezing pattern also calculates in this timing time.
Particularly, extracting unit 30 comprises the first control module, timing module, judge module and the second control module, wherein:
First control module all powers on for the magnetic valve controlling First Heat Exchanger and the second heat exchanger.
Timing module is used for carrying out timing to the power-on time of the magnetic valve of First Heat Exchanger, obtains the second timing time, and particularly, the second timing time is the time extracting refrigerant to the second heat exchanger from First Heat Exchanger.
Judge module is for judging whether the second timing time reaches the 3rd Preset Time, namely, judge whether the time from First Heat Exchanger extraction to the second heat exchanger reaches the 3rd Preset Time, the 3rd Preset Time is that default refrigerant extracts the time, and the length of concrete time can be determined according to demand.
Second control module is used for when judging that the second timing time reaches the 3rd Preset Time, control the magnetic valve power-off of First Heat Exchanger, namely, when reaching the default refrigerant extraction time from First Heat Exchanger extraction to the time of the second heat exchanger, no longer extract refrigerant from First Heat Exchanger.
Preferably, the control device of the recuperation of heat unit that the embodiment of the present invention provides also comprises the 3rd control unit, 3rd control unit is used in the equal power up of magnetic valve controlling First Heat Exchanger and the second heat exchanger, and the air-conditioner water pump controlling recuperation of heat unit is opened.
In embodiments of the present invention; by in the process powered on to the magnetic valve of First Heat Exchanger and the second heat exchanger; open the water pump of air-conditioner; serve and protect First Heat Exchanger and the second heat exchanger not to be damaged by frost, and then reach the effect in the security improving recuperation of heat unit and the service life extending recuperation of heat unit.
In addition, the embodiment of the present invention additionally provides a kind of recuperation of heat unit, and this recuperation of heat unit comprises the control device of any one recuperation of heat unit that embodiment of the present invention foregoing provides.
As can be seen from the above description, the invention solves the easy out of order problem of recuperation of heat unit in prior art, reach the effect improving recuperation of heat unit operation stability and reliability.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed client, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a control method for recuperation of heat unit, is characterized in that, comprising:
Timing is carried out to the running time of described recuperation of heat unit, obtains the first timing time;
Judge whether described first timing time reaches the first Preset Time; And
When judging that described first timing time reaches described first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, described First Heat Exchanger is the heat exchanger being in off working state in described recuperation of heat unit, and described second heat exchanger is heat exchanger in running order in described recuperation of heat unit.
2. control method according to claim 1, is characterized in that, when judging that described first timing time reaches described first Preset Time, and before extracting refrigerant to the second heat exchanger from First Heat Exchanger, described control method also comprises:
Control the compressor shutdown of described recuperation of heat unit;
Monitor the duty parameter of described recuperation of heat unit;
Judge whether described duty parameter meets the compressor start up condition of described compressor; And
When judging that described duty parameter meets the compressor start up condition of described compressor, controlling described compressor and again starting,
Wherein, when described compressor start-up time reaches the second Preset Time again, extract refrigerant to described second heat exchanger from described First Heat Exchanger.
3. control method according to claim 1, is characterized in that, when judging that described first timing time reaches described first Preset Time, and before extracting refrigerant to the second heat exchanger from First Heat Exchanger, described control method also comprises:
Obtain the operational mode of described recuperation of heat unit; And
Judge whether described operational mode is preset mode, wherein, described preset mode is defrost pattern or anti-freezing pattern,
Wherein, when judging that described operational mode is described preset mode, after described recuperation of heat unit exits described operational mode, extract refrigerant to described second heat exchanger from described First Heat Exchanger.
4. control method according to claim 1, is characterized in that, when judging that described first timing time reaches described first Preset Time, extracting refrigerant to the second heat exchanger comprise from First Heat Exchanger:
The magnetic valve controlling described First Heat Exchanger and described second heat exchanger all powers on;
Timing is carried out to the power-on time of the magnetic valve of described First Heat Exchanger, obtains the second timing time;
Judge whether described second timing time reaches the 3rd Preset Time; And
When judging that described second timing time reaches described 3rd Preset Time, control the magnetic valve power-off of described First Heat Exchanger.
5. control method according to claim 4, is characterized in that, in the equal power up of magnetic valve controlling described First Heat Exchanger and described second heat exchanger, described control method also comprises:
The air-conditioner water pump controlling described recuperation of heat unit is opened.
6. a control device for recuperation of heat unit, is characterized in that, comprising:
Timing unit, for carrying out timing the running time of described recuperation of heat unit, obtains the first timing time;
First judging unit, for judging whether described first timing time reaches the first Preset Time; And
Extracting unit, for when judging that described first timing time reaches described first Preset Time, refrigerant to the second heat exchanger is extracted from First Heat Exchanger, wherein, described First Heat Exchanger is the heat exchanger being in off working state in described recuperation of heat unit, and described second heat exchanger is heat exchanger in running order in described recuperation of heat unit.
7. control device according to claim 6, is characterized in that, described control device also comprises:
First control unit, for controlling the compressor shutdown of described recuperation of heat unit;
Monitoring means, for monitoring the duty parameter of described recuperation of heat unit;
Second judging unit, for judging whether described duty parameter meets the compressor start up condition of described compressor; And
Second control unit, for when judging that described duty parameter meets the compressor start up condition of described compressor, controlling described compressor and again starting,
Wherein, when described compressor start-up time reaches the second Preset Time again, described extracting unit extracts refrigerant to described second heat exchanger from described First Heat Exchanger.
8. control device according to claim 6, is characterized in that, described control device also comprises:
Acquiring unit, for obtaining the operational mode of described recuperation of heat unit; And
3rd judging unit, for judging whether described operational mode is preset mode, wherein, described preset mode is defrost pattern or anti-freezing pattern,
Wherein, when judging that described operational mode is described preset mode, after described recuperation of heat unit exits described operational mode, described extracting unit extracts refrigerant to described second heat exchanger from described First Heat Exchanger.
9. control device according to claim 6, is characterized in that, described extracting unit comprises:
First control module, all powers on for the magnetic valve controlling described First Heat Exchanger and described second heat exchanger;
Timing module, the power-on time for the magnetic valve to described First Heat Exchanger carries out timing, obtains the second timing time;
Judge module, for judging whether described second timing time reaches the 3rd Preset Time; And
Second control module, for when judging that described second timing time reaches described 3rd Preset Time, controls the magnetic valve power-off of described First Heat Exchanger.
10. control device according to claim 9, is characterized in that, described control device also comprises:
3rd control unit, in the equal power up of magnetic valve controlling described First Heat Exchanger and described second heat exchanger, the air-conditioner water pump controlling described recuperation of heat unit is opened.
11. 1 kinds of recuperation of heat units, is characterized in that, comprise the control device of the recuperation of heat unit according to any one of claim 6 to 10.
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| CN201510031687.XA CN104567164A (en) | 2015-01-21 | 2015-01-21 | Heat recovery unit and control method and device thereof |
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| CN201510031687.XA CN104567164A (en) | 2015-01-21 | 2015-01-21 | Heat recovery unit and control method and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201806A (en) * | 2015-10-13 | 2015-12-30 | 珠海格力电器股份有限公司 | Heat recovery water pump control method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03236559A (en) * | 1990-02-09 | 1991-10-22 | Matsushita Electric Ind Co Ltd | Operation control method for heat pump type cooling heating hot water feeder |
| JPH10238892A (en) * | 1997-02-27 | 1998-09-08 | Daikin Ind Ltd | Heat pump hot water heater |
| CN102364270A (en) * | 2011-09-30 | 2012-02-29 | 林志辉 | Triple co-generation heat pump system control method and device |
| CN103363720A (en) * | 2013-08-06 | 2013-10-23 | 特灵空调系统(中国)有限公司 | Multi-functional air conditioner hot water system |
| US20140245770A1 (en) * | 2011-12-21 | 2014-09-04 | Nordyne Llc | Refrigerant charge management in a heat pump water heater |
| WO2014188575A1 (en) * | 2013-05-24 | 2014-11-27 | 三菱電機株式会社 | Refrigeration cycle device |
-
2015
- 2015-01-21 CN CN201510031687.XA patent/CN104567164A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03236559A (en) * | 1990-02-09 | 1991-10-22 | Matsushita Electric Ind Co Ltd | Operation control method for heat pump type cooling heating hot water feeder |
| JPH10238892A (en) * | 1997-02-27 | 1998-09-08 | Daikin Ind Ltd | Heat pump hot water heater |
| CN102364270A (en) * | 2011-09-30 | 2012-02-29 | 林志辉 | Triple co-generation heat pump system control method and device |
| US20140245770A1 (en) * | 2011-12-21 | 2014-09-04 | Nordyne Llc | Refrigerant charge management in a heat pump water heater |
| WO2014188575A1 (en) * | 2013-05-24 | 2014-11-27 | 三菱電機株式会社 | Refrigeration cycle device |
| CN103363720A (en) * | 2013-08-06 | 2013-10-23 | 特灵空调系统(中国)有限公司 | Multi-functional air conditioner hot water system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201806A (en) * | 2015-10-13 | 2015-12-30 | 珠海格力电器股份有限公司 | Heat recovery water pump control method and system |
| CN105201806B (en) * | 2015-10-13 | 2017-03-22 | 珠海格力电器股份有限公司 | Heat recovery water pump control method and system |
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