CN104251535A - Heat recovery type air conditioning unit and composite operation mode control method thereof - Google Patents
Heat recovery type air conditioning unit and composite operation mode control method thereof Download PDFInfo
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- CN104251535A CN104251535A CN201310263336.2A CN201310263336A CN104251535A CN 104251535 A CN104251535 A CN 104251535A CN 201310263336 A CN201310263336 A CN 201310263336A CN 104251535 A CN104251535 A CN 104251535A
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Abstract
The invention discloses a composite operation mode control method of a heat recovery type air conditioning unit. The composite operation mode control method comprises the following steps: under the composite operation mode, setting a preferred operation state and a non-preferred operation state according to application requirements; detecting water temperature values of an execution side in the preferred operation state and the non-preferred operation state respectively; determining the startup and shutdown requirements of each execution side according to the preset startup and shutdown condition of each execution side and the detected water temperature values; setting the operation state of the air conditioning unit according to the operation state setting result and the determined startup and shutdown requirements. Through the method, the operation state is automatically switched according to the application requirements, so that the setting and switching of the operation state of the air conditioning unit are humanized and rational; by using the automatic switching of the operation state, the complexity for mode switching is reduced. The invention also discloses the heat recovery type air conditioning unit applying the control method.
Description
Technical field
The application relates to air conditioner controlling technology field, particularly relates to a kind of recovery type heat air-conditioner set and combined running mode control method thereof.
Background technology
The common operational mode of recovery type heat air-conditioner set has five kinds, comprises three kinds of single-modes (i.e. refrigeration mode, heating mode and water heating pattern) and two kinds of mixed modes (i.e. refrigeration and water heating pattern and heat and water heating pattern).Air-conditioner set, under composite mode, there will be multiple running status according to load variations.Existing air-conditioner set can only be selected to run according to the startup-shutdown demand of air-conditioning side and hot water side in multiple running status, and cannot in conjunction with the actual needs selective operation of user.
Such as heating and under water heating pattern, in air-conditioner set actual moving process, there will be the following two kinds state according to load variations: heating state and water heating state.But during practical application, may be too low due to temperature, cause user's initial stage to the demand of the demand heated higher than water heating; And according to existing control method, if current water heating shutdown demand is not yet satisfied, then air-conditioner set will be in water heating state, cannot switch to the state of heating always.Therefore, the control method of prior art lacks flexibility, really cannot meet the demand of user.
Summary of the invention
In view of this, the application's object is to provide a kind of recovery type heat air-conditioner set and combined running mode control method thereof, dumb to solve existing control method, cannot meet the problem of the demand of user.
For achieving the above object, the application provides following technical scheme:
A kind of recovery type heat air-conditioner set combined running mode control method, comprising:
Under combined running state, preferential running status and non-preferential running status are set according to application demand;
Detect the water temperature value of the execution side of described preferential running status and non-preferential running status respectively; Described execution side comprises air-conditioning side and the hot water side of described recovery type heat air-conditioner set;
According to the switching on and shutting down condition of each execution side of presetting and described in the water temperature value that detects, determine the switching on and shutting down demand of each execution side;
Result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set is set; Wherein,
Described result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set are set, comprise:
At any time, when the running status that in the switching on and shutting down demand determined if described, start demand is corresponding is preferential running status, then the running status arranging described recovery type heat air-conditioner set is preferential running status corresponding to described start demand;
If running status corresponding to the start demand determined described is non-preferential running status, when then only having shutdown demand in the execution side of described preferential running status, the running status arranging described recovery type heat air-conditioner set is non-preferential running status corresponding to described start demand.
Preferably, described switching on and shutting down condition comprises air-conditioning side and heats turn-on temperature setting value T
1, air-conditioning side heats shutoff temperature setting value T
2, hot water side turn-on temperature setting value TR
1with hot water side shutoff temperature setting value TR
2; Wherein T
1<T
2, TR
1<TR
2;
The water temperature value of the execution side of the described preferential running status of described detection and non-preferential running status comprises one or more that detect in following water temperature value: air-conditioning side inflow temperature value T
in, air-conditioning side leaving water temperature value T
out, hot water side inflow temperature value TR
in, hot water side leaving water temperature value TR
out, water tank temperature value T
tank.
Preferably, the water temperature value detected described in described basis and described switching on and shutting down condition, determine the switching on and shutting down demand of each execution side, comprising:
If described hot water side inflow temperature value TR
inwith water tank temperature value T
tankall be not more than described hot water side turn-on temperature setting value TR
1, then determine that hot water side has water heating start demand;
If described hot water side leaving water temperature value TR
outbe not less than described hot water side shutoff temperature setting value TR
2, or described water tank temperature value T
tankbe not less than hot water side shutoff temperature setting value TR
2, then determine that hot water side has water heating shutdown demand;
If described air-conditioning side inflow temperature value T
inbe not more than described air-conditioning side and heat turn-on temperature setting value, and described air-conditioning side leaving water temperature value T
outbe less than described air-conditioning side and heat shutoff temperature setting value T
2, then determine that air-conditioning side heats start demand;
If air-conditioning side leaving water temperature value T
outbe not less than described air-conditioning side and heat shutoff temperature setting value T
2, then determine that air-conditioning side heats shutdown demand.
Preferably, described combined running pattern is for heating and water heating pattern; To heat and under water heating pattern, the running status of described recovery type heat air-conditioner set comprises the state of heating and water heating state described.
Preferably, described under combined running pattern, preferential running status and non-preferential running status are set according to application demand, are specially:
The described state that heats is set to preferential running status, described water heating state is set to non-preferential running status;
Or, described water heating state is set to preferential running status, the described state that heats is set to non-preferential running status.
Preferably, when the described state that heats is set to preferential running status, when described water heating state is set to non-preferential running status, described result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set is set, is specially:
At any time, in the switching on and shutting down demand determined if described, heat start demand, then the running status of described recovery type heat air-conditioner set is set for heating state;
When having water heating start demand in the described switching on and shutting down demand determined that and if only if simultaneously and heat shutdown demand, the running status arranging described recovery type heat air-conditioner set is water heating state.
Preferably, when described water heating state is set to preferential running status, by described heat state be set to non-preferential running status time, described result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set is set, is specially:
At any time, have water heating start demand in the switching on and shutting down demand determined if described, then the running status arranging described recovery type heat air-conditioner set is water heating state;
Have in the described switching on and shutting down demand determined that and if only if simultaneously heat start demand and water heating shutdown demand time, the running status of described recovery type heat air-conditioner set is set for heating state.
Preferably, described switching on and shutting down condition also comprises hot water temperature setting value TR, hot water side turn-on temperature error set point △ T1 and hot water side shutoff temperature error set point △ T2; Wherein, TR
1=TR-△ T1, TR
2=TR+ △ T2.
A kind of recovery type heat air-conditioner set, according to the switching of any one combined running mode control method controlling run state above-mentioned.
As can be seen from above-mentioned technical scheme, the application passes through the running status prioritization under composite mode, according to each water temperature value detected and the switching on and shutting down condition determination switching on and shutting down demand preset, and the running status of air-conditioner set is set according to the priority of above-mentioned switching on and shutting down demand and setting, achieve any time, preferentially meet the application demand that preferential running status is corresponding, when application demand corresponding to preferential running status that and if only if meets completely, just likely switch to non-preferential running status by preferential running status, thus make the setting of air-conditioner set running status and switch hommization, possesses reasonability, decrease energy waste, and achieve the automatic switchover of running status, reduce the complexity that pattern switches.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The recovery type heat air-conditioner set combined running mode control method flow chart that Fig. 1 provides for the embodiment of the present application one;
The main flow chart of the recovery type heat air-conditioner set combined running mode control method that Fig. 2 (a) provides for the embodiment of the present application two;
In the recovery type heat air-conditioner set combined running mode control method that Fig. 2 (b) provides for the embodiment of the present application two, preferential running status is control flow chart when heating state;
Control flow chart when preferential running status is water heating state in the recovery type heat air-conditioner set running status control method that Fig. 2 (c) provides for the embodiment of the present application two.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
The embodiment of the present application discloses a kind of recovery type heat air-conditioner set and combined running mode control method thereof, dumb to solve existing control method, cannot meet the problem of the demand of user.
With reference to Fig. 1, the recovery type heat air-conditioner set combined running mode control method that the embodiment of the present application one provides, comprises the steps:
S101: under combined running pattern, arranges preferential running status and non-preferential running status according to application demand;
Namely according to the priority of running status under the primary-slave relation setting combined running pattern of application demand: the running status realizing main application demand is set to preferential running status, the running status realizing other secondary application demands is set to non-preferential running status.Such as, under combined running state, in real process, there will be two kinds of running statuses according to load variations, i.e. heating mode and water heating pattern, the current air-conditioner set that mainly needs heats, and the demands such as water heating are secondary demand, then heating mode is set to preferential running status, other running statuses such as water heating pattern are set to non-preferential running status.
S102: the water temperature value detecting the execution side of preferential running status and non-preferential running status respectively;
Above-mentioned execution side comprises air-conditioning side and hot water side, and the running status that air-conditioning side performs comprises the state of heating, refrigerating state etc.; The running status that hot water side performs comprises water heating state.
S103: according to the switching on and shutting down condition of each execution side of presetting and described in the water temperature value that detects, determine the switching on and shutting down demand of each execution side;
S104: result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set are set, comprise:
At any time, when the running status that in the switching on and shutting down demand determined if described, start demand is corresponding is preferential running status, then the running status arranging described recovery type heat air-conditioner set is preferential running status corresponding to described start demand;
If running status corresponding to the start demand determined described is non-preferential running status, when then only having shutdown demand in the execution side of described preferential running status, the running status arranging described recovery type heat air-conditioner set is non-preferential running status corresponding to described start demand.
From said method step, the embodiment of the present application is passed through several running status prioritization under combined running pattern, according to each water temperature value detected and the switching on and shutting down condition determination switching on and shutting down demand preset, and the running status of air-conditioner set is set according to the priority of above-mentioned switching on and shutting down demand and setting, achieve any time, preferentially meet the application demand that preferential running status is corresponding, when application demand corresponding to preferential running status that and if only if meets completely, just likely switch to non-preferential running status by preferential running status, thus make the setting of air-conditioner set running status and switch hommization, possesses reasonability, decrease energy waste, and achieve the automatic switchover of running status, reduce the complexity that pattern switches.
With reference to Fig. 2 (a) ~ Fig. 2 (c), the embodiment of the present application two provides another kind of recovery type heat air-conditioner set combined running mode control method, comprises the steps:
S210: under combined running pattern, arranges preferential running status and non-preferential running status according to application demand;
Concrete, above-mentioned combined running pattern is for heating and water heating operational mode.In actual moving process, under this pattern, the running status of air-conditioner set comprises the state of heating and water heating state.Accordingly, above-mentioned under combined running pattern, preferential running status is set according to application demand and non-preferential running status comprises following two kinds of situations:
1) the described state that heats is set to preferential running status, described water heating state is set to non-preferential running status;
2) described water heating state is set to preferential running status, the described state that heats is set to non-preferential running status.
When being applied to air-conditioner set, corresponding human-computer interaction interface can be set up in the control system of air-conditioner set, make user that preferential running status under combined running pattern can be set according to current application demand.
S220: the water temperature value detecting air-conditioning side and hot water side respectively;
Concrete, need the water temperature value detected to comprise: air-conditioning side inflow temperature value T
in, air-conditioning side leaving water temperature value T
out, hot water side inflow temperature value TR
in, hot water side leaving water temperature value TR
out, water tank temperature value T
tank.
S230: according to the switching on and shutting down condition of the described air-conditioning side of presetting and hot water side and described in the water temperature value that detects, determine the switching on and shutting down demand of air-conditioning side and hot water side;
Concrete, above-mentioned switching on and shutting down condition comprises following setting value: air-conditioning side heats turn-on temperature setting value T
1, air-conditioning side heats shutoff temperature setting value T
2, hot water side turn-on temperature setting value TR
1with hot water side shutoff temperature setting value TR
2; Wherein T
1<T
2, TR
1<TR
2.
As hot water side inflow temperature value TR
inwith water tank temperature value T
tankall be not more than hot water side turn-on temperature setting value TR
1(i.e. TR
in≤ TR
1and T
tank≤ TR
1) time, determine that hot water side has water heating start demand;
As hot water side leaving water temperature value TR
outbe not less than hot water side shutoff temperature setting value TR
2, or water tank temperature value T
tankbe not less than hot water side shutoff temperature setting value TR
2(i.e. TR
out>=TR
2or T
tank>=TR
2) time, then determine that hot water side has water heating shutdown demand;
As air-conditioning side inflow temperature value T
inbe not more than air-conditioning side and heat turn-on temperature setting value T
1and air-conditioning side leaving water temperature value T
outbe less than air-conditioning side and heat shutoff temperature setting value T
2(i.e. T
in≤ T
1and T
out< T
2) time, determine that air-conditioning side heats start demand;
As air-conditioning side leaving water temperature value T
outbe not less than air-conditioning side and heat shutoff temperature setting value T
2(i.e. T
out>=T
2) time, determine that air-conditioning side heats shutdown demand.
S240: judge that whether preferential running status is for heating state, if so, then performs step S241, otherwise performs step S250;
S241: whether the switching on and shutting down demand determined in determining step S230 heats start demand, if so, then performs step S242, otherwise performs step S243;
S242: the running status of air-conditioner set is set for heating state, this controls to terminate, and returns step S220;
S243: the switching on and shutting down demand determined in determining step S230 has water heating start demand simultaneously and heats shutdown demand, if so, then performs step S244, otherwise returns step S220;
S244: the running status arranging air-conditioner set is water heating state, this controls to terminate, and returns step S220;
S250: whether the switching on and shutting down demand determined in determining step S230 has water heating start demand, if so, then performs step S251, otherwise performs step S252;
S251: the running status arranging air-conditioner set is water heating state, this controls to terminate, and returns step S220;
S252: whether the switching on and shutting down demand determined in determining step S230 has simultaneously heats start demand and water heating shutdown demand, if so, then performs step S253, otherwise returns step S220;
S253: arrange the running status of air-conditioner set for heating state, this controls to terminate, and returns step S220.
From said method step, the embodiment of the present application, according to practical situations, to heat and under water heating composite mode, to heating state and water heating state demarcation priority, the one be about to wherein is set as preferential running status, and another kind is set as non-preferential running status; And according to the water temperature value detected and the switching on and shutting down condition determination air-conditioning side of presetting and the switching on and shutting down demand of hot water side, and then the running status of air-conditioner set is set according to the priority of this switching on and shutting down demand and above-mentioned setting, achieve when the state of heating is preferential running status, air-conditioner set preferentially meets heating needs, when water heating state is preferential running status, air-conditioner set preferentially meets water heating demand, if and only if when the demand that preferentially running status is corresponding meets completely, just likely switch to non-preferential running status.Therefore, the embodiment of the present application makes the setting of air-conditioner set running status and switches hommization, possesses reasonability, decreases energy waste; And achieve the automatic switchover of running status, reduce the complexity that pattern switches.
For improving the degree of accuracy judging switching on and shutting down demand further, for above-mentioned, within certain timing period (as 5 seconds or 10 seconds), the switching on and shutting down demand homogeneous phase of the air-conditioner set that step S230 determines simultaneously, just perform subsequent step, if in this time period, the switching on and shutting down demand of the air-conditioner set that step S230 determines is not quite similar, then restart timing and within the new timing period, carry out redefining the switching on and shutting down demand of air-conditioner set.
In addition, in above-described embodiment, switching on and shutting down condition also can comprise following setting value: hot water temperature setting value TR, hot water side turn-on temperature error set point △ T1 and hot water side shutoff temperature error set point △ T2.This three and hot water side turn-on temperature setting value TR
1with hot water side shutoff temperature setting value TR
2pass be: TR
1=TR-△ T1, TR
2=TR+ △ T2.Therefore, when switching on and shutting down condition is set, the value by TR, △ T1 and △ T2 directly can be set, then calculates TR
1and TR
2, also directly TR can be set
1and TR
2value.
Accordingly, the embodiment of the present application additionally provides a kind of recovery type heat air-conditioner set, the combined running mode control method of this recovery type heat air-conditioner set according to embodiment one or embodiment two controls the automatic switchover of self-operating state, by to several running status prioritization under combined running pattern, according to each water temperature value detected and the switching on and shutting down condition determination switching on and shutting down demand preset, and the running status of air-conditioner set is set according to the priority of above-mentioned switching on and shutting down demand and setting, achieve any time, preferentially meet the application demand that preferential running status is corresponding, when application demand corresponding to preferential running status that and if only if meets completely, just likely switch to non-preferential running status by preferential running status, thus make the setting of air-conditioner set running status and switch hommization, possesses reasonability, decrease energy waste, and achieve the automatic switchover of running status, without the need to shutting down air-conditioner set, reducing the complexity that pattern switches, solving the problem of prior art.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, described program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a recovery type heat air-conditioner set combined running mode control method, is characterized in that, comprising:
Under combined running pattern, preferential running status and non-preferential running status are set according to application demand;
Detect the water temperature value of the execution side of described preferential running status and non-preferential running status respectively; Described execution side comprises air-conditioning side and the hot water side of described recovery type heat air-conditioner set;
According to the switching on and shutting down condition of each execution side of presetting and described in the water temperature value that detects, determine the switching on and shutting down demand of each execution side;
Result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set is set; Wherein,
Described result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set are set, comprise:
At any time, when the running status that in the switching on and shutting down demand determined if described, start demand is corresponding is preferential running status, then the running status arranging described recovery type heat air-conditioner set is preferential running status corresponding to described start demand;
If running status corresponding to the start demand determined described is non-preferential running status, when then only having shutdown demand in the execution side of described preferential running status, the running status arranging described recovery type heat air-conditioner set is non-preferential running status corresponding to described start demand.
2. method according to claim 1, is characterized in that, described switching on and shutting down condition comprises air-conditioning side and heats turn-on temperature setting value T
1, air-conditioning side heats shutoff temperature setting value T
2, hot water side turn-on temperature setting value TR
1with hot water side shutoff temperature setting value TR
2; Wherein T
1<T
2, TR
1<TR
2;
The water temperature value of the execution side of the described preferential running status of described detection and non-preferential running status comprises one or more that detect in following water temperature value: air-conditioning side inflow temperature value T
in, air-conditioning side leaving water temperature value T
out, hot water side inflow temperature value TR
in, hot water side leaving water temperature value TR
out, water tank temperature value T
tank.
3. method according to claim 2, is characterized in that, the water temperature value detected described in described basis and described switching on and shutting down condition, determines the switching on and shutting down demand of each execution side, comprising:
If described hot water side inflow temperature value TR
inwith water tank temperature value T
tankall be not more than described hot water side turn-on temperature setting value TR
1, then determine that hot water side has water heating start demand;
If described hot water side leaving water temperature value TR
outbe not less than described hot water side shutoff temperature setting value TR
2, or described water tank temperature value T
tankbe not less than hot water side shutoff temperature setting value TR
2, then determine that hot water side has water heating shutdown demand;
If described air-conditioning side inflow temperature value T
inbe not more than described air-conditioning side and heat turn-on temperature setting value, and described air-conditioning side leaving water temperature value T
outbe less than described air-conditioning side and heat shutoff temperature setting value T
2, then determine that air-conditioning side heats start demand;
If air-conditioning side leaving water temperature value T
outbe not less than described air-conditioning side and heat shutoff temperature setting value T
2, then determine that air-conditioning side heats shutdown demand.
4. the method according to any one of claims 1 to 3, is characterized in that, described combined running pattern is for heating and water heating pattern; To heat and under water heating pattern, the running status of described recovery type heat air-conditioner set comprises the state of heating and water heating state described.
5. method according to claim 4, is characterized in that, described under combined running pattern, arranges preferential running status and non-preferential running status, be specially according to application demand:
The described state that heats is set to preferential running status, described water heating state is set to non-preferential running status;
Or, described water heating state is set to preferential running status, the described state that heats is set to non-preferential running status.
6. method according to claim 5, it is characterized in that, when the described state that heats is set to preferential running status, when described water heating state is set to non-preferential running status, described result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set is set, is specially:
At any time, in the switching on and shutting down demand determined if described, heat start demand, then the running status of described recovery type heat air-conditioner set is set for heating state;
When having water heating start demand in the described switching on and shutting down demand determined that and if only if simultaneously and heat shutdown demand, the running status arranging described recovery type heat air-conditioner set is water heating state.
7. method according to claim 5, it is characterized in that, when described water heating state is set to preferential running status, by described heat state be set to non-preferential running status time, described result and the described switching on and shutting down demand determined are set according to described running status, the running status of described recovery type heat air-conditioner set is set, is specially:
At any time, have water heating start demand in the switching on and shutting down demand determined if described, then the running status arranging described recovery type heat air-conditioner set is water heating state;
Have in the described switching on and shutting down demand determined that and if only if simultaneously heat start demand and water heating shutdown demand time, the running status of described recovery type heat air-conditioner set is set for heating state.
8. method according to claim 2, is characterized in that, described switching on and shutting down condition also comprises hot water temperature setting value TR, hot water side turn-on temperature error set point △ T1 and hot water side shutoff temperature error set point △ T2; Wherein, TR
1=TR-△ T1, TR
2=TR+ △ T2.
9. a recovery type heat air-conditioner set, is characterized in that, according to the switching of the combined running mode control method controlling run state as described in any one of claim 1 ~ 8.
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