CN107726567A - The control method and system of new blower fan, new blower fan and multi-online air-conditioning system - Google Patents
The control method and system of new blower fan, new blower fan and multi-online air-conditioning system Download PDFInfo
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- CN107726567A CN107726567A CN201711008867.1A CN201711008867A CN107726567A CN 107726567 A CN107726567 A CN 107726567A CN 201711008867 A CN201711008867 A CN 201711008867A CN 107726567 A CN107726567 A CN 107726567A
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Abstract
The present invention proposes the control method and system of a kind of new blower fan, new blower fan and multi-online air-conditioning system.Wherein, new blower fan is used for multi-online air-conditioning system, and fresh air machine has the valve body of heat exchange unit and control into the refrigerant flow of heat exchange unit, and the control method of new blower fan includes：In system operation, the total load of new blower fan load and multi-online air-conditioning system is obtained；Judge whether the ratio of new blower fan load and total load is less than or equal to preset value；When judged result is no, application valve body reduces aperture.The present invention is by system operation, detect the proportion that new blower fan load accounts for the total load of multi-online air-conditioning system, when new blower fan load accounting weight is larger, timely application valve body reduces aperture, reduce the refrigerant amount for entering new blower fan, can effectively avoid new blower fan from taking refrigerant amount excessively causes the refrigeration of other interior machines in multi-online air-conditioning system or heating effect to be deteriorated, and improves Consumer's Experience.
Description
Technical field
The invention belongs to air conditioner technical field, in particular to a kind of control method of new blower fan, a kind of fresh air
The control system of machine, a kind of new blower fan and a kind of multi-online air-conditioning system.
Background technology
As China's economy develops rapidly, people's health, environmental consciousness gradually strengthen, and new blower fan is more and more applied to
In the production of people, life.But it is undeniable to be, because new blower fan is from the characteristic of outdoor return, and its larger heat exchange
Area, new blower fan often accommodate most of refrigerant in multi-online air-conditioning system, cause to be in same multi-connected machine with new blower fan
The heat exchanger inner refrigerant amount of the indoor set of air-conditioning system reduces, and influences other indoor set cooling and warmings of multi-online air-conditioning system
Effect, influence Consumer's Experience.
The content of the invention
Present invention seek to address that one of technical problem present in prior art.
Therefore, the first aspect of the present invention proposes a kind of control method of new blower fan.
The second aspect of the present invention proposes a kind of control system of new blower fan.
The third aspect of the present invention proposes a kind of new blower fan.
The fourth aspect of the present invention proposes a kind of multi-online air-conditioning system.
In view of this, first aspect present invention proposes a kind of control method of new blower fan, and it is empty that new blower fan is used for multi-connected machine
Adjusting system, fresh air machine have heat exchange unit and control into the valve body of the refrigerant flow of heat exchange unit, the controlling party of new blower fan
Method includes：In system operation, the total load of new blower fan load and multi-online air-conditioning system is obtained；Judge new blower fan load with it is total
Whether the ratio of load is less than or equal to preset value；When judged result is no, application valve body reduces aperture.
Multi-online air-conditioning system includes new blower fan and multi-connected machine, wherein the refrigerant total amount one that new blower fan and multi-connected machine share
Fixed, because new blower fan is needed from outdoor return, heat exchange area is big, and then the refrigerant amount that new blower fan takes is more, causes multi-joint
The refrigerant amount that the indoor set of machine takes is reduced, and has a strong impact on the refrigeration or heating effect of multi-connected machine.The present invention is by system
During operation, the proportion that new blower fan load accounts for the total load of multi-online air-conditioning system is detected, the system that new blower fan takes can be reflected
Cryogen amount number, and then when new blower fan load accounting weight is larger, i.e., when new blower fan refrigerant occupancy is larger, can and time control
Valve body processed reduces aperture, reduces the refrigerant flow for entering new blower fan, and then increases the refrigerant into the indoor set of multi-connected machine
Flow, effectively avoiding new blower fan from taking refrigerant amount excessively causes the refrigeration or system of other interior machines in multi-online air-conditioning system
Thermal effect is deteriorated, and improves Consumer's Experience.Preferably, valve body is electric expansion valve.
In addition, the control method of the new blower fan in above-mentioned technical proposal provided by the invention can also have additional skill as follows
Art feature：
In the above-mentioned technical solutions, it is preferable that after application valve body reduces aperture, in addition to：Start timing, and up to
To after the first preset time, the total load for performing and obtaining new blower fan load and multi-online air-conditioning system is returned.
In the technical scheme, valve body reduce aperture after, carry out timing, and reach the first preset time it
Afterwards, the total load of new blower fan load and multi-online air-conditioning system is reacquired, recalculates the ratio that new blower fan load accounts for total load
Weight, on the one hand, after the first preset time gives the reduction of valve body aperture, the time of new blower fan load variations, avoid subtracting in valve body
New blower fan load variations are smaller and cause new blower fan of the normal condition lower valve body under the aperture to be born in short time after small guide vane
There is gross error with the information after obtaining in lotus, and ultimately results in the aperture control inaccuracy of valve body, influences new blower fan and multi-connected machine
Operational effect, on the other hand, after the first preset time is reached, reacquire new blower fan load and total load, can be timely
After detecting that valve body aperture reduces, the change of new blower fan load, reflect that valve body whether can under current aperture in time
Meet that new blower fan load takes the ratio of total load within a preset range, when new blower fan load take total load ratio be less than or
During equal to preset value, now, what valve body was controlled under the aperture will not take into the refrigerant flow in heat exchange unit
It is more, the refrigerant requirements of the indoor set of multi-connected machine are not interfered with, the overall operation effect of new blower fan and multi-connected machine is improved, works as fresh air
When the ratio that machine load takes total load is more than preset value, illustrates that the refrigerant amount that new blower fan takes is still very big, continue to control
Valve body reduces aperture, and the refrigerant flow for the heat exchange unit for entering new blower fan is further limited by valve body.
In any of the above-described technical scheme, it is preferable that fresh air machine has at least two heat exchange units and at least two valve bodies,
Valve body corresponds with heat exchange unit, and any two heat exchange unit is parallel with one another at least two heat exchange units, and application valve body subtracts
Small guide vane specifically includes：Calculate the number for reaching the first preset time；According to the preset order control corresponding with number at least
One valve body reduces aperture.
In the technical scheme, fresh air machine has at least two heat exchange units and corresponding extremely with heat exchange unit one-to-one corresponding
Few two valve bodies, any two heat exchange unit at least two heat exchange units is parallel with one another, when new blower fan load and total load
Ratio when being more than preset value, now can be at least one according to the corresponding sequential control of the number with reaching the first preset time
Valve body reduces aperture.For example, when the number for reaching the first preset time is zero degree, first at least two valve bodies can control
Individual valve body reduces aperture, and first valve body is any valve body, and valve body is numbered merely to description is convenient, pre- when reaching
It if the number of time is one time, can control second valve body to reduce aperture, also can control second valve body and the 3rd valve body
Reduce aperture simultaneously, also can control first valve body to completely close, can be according to actual conditions, according to appropriate sequential control valve body
Aperture.Further refined by the control at least two valve bodies, can be as more as possible in the refrigerant amount that new blower fan takes
In the case of, meet the refrigerant requirements of multi-connected machine, make the overall operation effect of new blower fan and multi-connected machine while be guaranteed, keep away
Exempt from only to pursue the operational effect of multi-connected machine and cause new blower fan heat exchange unit refrigerant inlet very few so as to influence new blower fan
Normal operation.
In any of the above-described technical scheme, it is preferable that after application valve body reduces aperture, in addition to：When judging fresh air
When the ratio of machine load and total load is less than or equal to preset value, application valve body keeps current aperture；When judging new blower fan load
When being more than preset value with the ratio of total load, judge whether at least two valve bodies all close；When judging that at least two valve bodies are complete
When portion closes, application valve body is kept closed；When judging that at least two valve bodies do not close all, perform and control the valve body
Reduce aperture.
In the technical scheme, after application valve body reduces aperture, new blower fan load and total load are reacquired, is laid equal stress on
Newly judge whether the ratio of new blower fan load and total load is less than or equal to preset value, when judged result for when being, maintenance is now
The aperture of valve body, new blower fan is continued to run with the case of the refrigerant inlet that valve body is controlled, meet new blower fan and more
Online running status, wherein, the aperture of now valve body can be maintained always until receiving shutdown command, also can be default the 3rd
After time, release the extra control to valve body, make valve body according to new blower fan fresh air program adjust aperture, be easy to new blower fan according to
The adjustment information that the user received sends, adjusts valve body, to adapt to user's request in time.Preferably, when receive user hair
During the adjust instruction gone out, according to the aperture of fresh air programme-control valve body, start counting up, after the 4th preset time is reached, start
The total load for obtaining new blower fan load and multi-online air-conditioning system is performed, the step in any of the above-described technical scheme is performed, with right
Valve body is adjusted.In addition, when the ratio for judging new blower fan load and total load is more than preset value, at least two are determined whether
Whether individual valve body all closes, and when judging that at least two valve bodies all close, now can not continue to reduce opening for valve body
Degree, and then application valve body keeps current closure state, reduces the refrigerant occupancy of new blower fan as far as possible.
In any of the above-described technical scheme, it is preferable that obtaining the total load of new blower fan load and multi-online air-conditioning system
Afterwards, in addition to：Judge whether new blower fan load is equal with total load, when being judged as YES, control new blower fan to continue executing with newly
Fetch sequence.
In the technical scheme, after the total load of new blower fan load and multi-online air-conditioning system is obtained, also judge new
Whether blower fan load is equal with total load, when new blower fan load is equal to total load, now in multi-online air-conditioning system, and only fresh air
Machine is being run, and enters the running situation without comprehending multi-connected machine, can be directly according to the operation of the new blower fan of fresh air programme-control, its
In, first judge whether new blower fan load equal with total load, then judge new blower fan load and total load ratio whether be less than or
Equal to preset value.
In any of the above-described technical scheme, it is preferable that when the ratio for judging new blower fan load and total load is less than or equal to
During preset value, new blower fan is controlled to continue executing with fresh air program.
In the technical scheme, non-application valve body reduce aperture on the premise of, judge for the first time new blower fan load with
When the ratio of total load is less than or equal to preset value, now, the valve body aperture of new blower fan directly meets new blower fan and multi-connected machine
The demand of refrigerant amount, directly can be, it is necessary to illustrate, when application valve body is smaller according to the new fan operation of fresh air programme-control
Aperture and then the total load for reacquiring new blower fan load and multi-online air-conditioning system, new blower fan load is born with total again
When whether the ratio of lotus is judged less than or equal to preset value, when the ratio for judging new blower fan load and total load is less than or waits
When preset value, the current aperture of valve body, rather than the fresh air programme-control valve body according to new blower fan are only kept.
In any of the above-described technical scheme, it is preferable that after controlling new blower fan to continue executing with fresh air program, in addition to：
Start timing, and after the second preset time is reached, return to execution and obtain the total negative of new blower fan load and multi-online air-conditioning system
Lotus.
In the technical scheme, after controlling new blower fan to continue executing with new blower fan program, start timing, and it is pre- second
If after the time, the total load of new blower fan load and multi-online air-conditioning system is reacquired, new blower fan can be reflected at any time
Whether refrigerant occupancy is excessive, to adjust the aperture of valve body in time, avoids new blower fan from being adjusted under the control of fresh air program
After valve body aperture, the load that new blower fan takes becomes big, and the refrigerant quantitative change of occupancy is big, and influences the operational effect of multi-connected machine.
Second aspect of the present invention proposes a kind of control system of new blower fan, and new blower fan is used for multi-online air-conditioning system, newly
Blower fan has the valve body of heat exchange unit and control into the refrigerant flow of heat exchange unit, and the control system of new blower fan includes：Obtain
Unit is taken, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；First judging unit,
For judging whether the ratio of new blower fan load and total load is less than or equal to preset value；First control unit, for when judgement
When being as a result no, application valve body reduces aperture.
The present invention, in system operation, obtains the total negative of new blower fan load and multi-online air-conditioning system by acquiring unit
Lotus, and judge that new blower fan load accounts for the proportion of the total load of multi-online air-conditioning system by the first judging unit, it can reflect
The refrigerant amount that new blower fan takes number, and then when new blower fan load accounting weight is larger, i.e., new blower fan refrigerant occupancy compared with
When big, the first control unit can reduce aperture by application valve body in time, reduce the refrigerant flow for entering new blower fan, and then increase
Into the refrigerant flow of the indoor set of multi-connected machine, effectively avoiding new blower fan from taking refrigerant amount excessively causes multi-gang air-conditioner
The refrigeration or heating effect of other interior machines in system are deteriorated, and improve Consumer's Experience.Preferably, valve body is electric expansion valve.
In addition, the control system of the new blower fan in above-mentioned technical proposal provided by the invention can also have additional skill as follows
Art feature：
In the above-mentioned technical solutions, it is preferable that the control system of new blower fan also includes：First timing unit, for swashing
Start timing after control unit living, and after the first preset time is reached, activate acquiring unit.
In the technical scheme, after the aperture that valve body reduces, the first technical unit carries out timing, and is reaching first
After preset time, acquiring unit is activated, the total load of new blower fan load and multi-online air-conditioning system is reacquired, recalculates
New blower fan load accounts for the proportion of total load, on the one hand, after the first preset time gives the reduction of valve body aperture, new blower fan load becomes
The time of change, avoid within the short time after valve body reduces aperture new blower fan load variations smaller and cause normal condition lower valve body
There is gross error with the information after obtaining in new blower fan load under the aperture, and the aperture control for ultimately resulting in valve body is inaccurate
Really, the operational effect of new blower fan and multi-connected machine is influenceed, on the other hand, after the first preset time is reached, reacquires new blower fan
Load and total load, after can detecting that valve body aperture reduces in time, the change of new blower fan load, reflect that valve body exists in time
Whether disclosure satisfy that new blower fan load takes the ratio of total load within a preset range under current aperture, when new blower fan load accounts for
When being less than or equal to preset value with the ratio of total load, now, valve body controlled under the aperture into heat exchange unit
Refrigerant flow will not take the refrigerant requirements for excessively, not interfering with the indoor set of multi-connected machine, improve new blower fan and multi-connected machine
Overall operation effect, when the ratio that new blower fan load takes total load is more than preset value, illustrate the refrigeration of new blower fan occupancy
Dosage is still very big, continues application valve body and reduces aperture, the system for the heat exchange unit for entering new blower fan is further limited by valve body
Cryogen flow.
In any of the above-described technical scheme, it is preferable that fresh air machine has at least two heat exchange units and at least two valve bodies,
Valve body corresponds with heat exchange unit；First control unit is specifically used for：Calculate the number for reaching the first preset time；According to
The corresponding preset order of number controls at least one valve body to reduce aperture.
In the technical scheme, fresh air machine has at least two heat exchange units and corresponding extremely with heat exchange unit one-to-one corresponding
Few two valve bodies, any two heat exchange unit at least two heat exchange units is parallel with one another, when new blower fan load and total load
Ratio when being more than preset value, now can be at least one according to the corresponding sequential control of the number with reaching the first preset time
Valve body reduces aperture.For example, when the number for reaching the first preset time is zero degree, first at least two valve bodies can control
Individual valve body reduces aperture, and first valve body is any valve body, and valve body is numbered merely to description is convenient, pre- when reaching
It if the number of time is one time, can control second valve body to reduce aperture, also can control second valve body and the 3rd valve body
Reduce aperture simultaneously, also can control first valve body to completely close, can be according to actual conditions, according to appropriate sequential control valve body
Aperture.Further refined by the control at least two valve bodies, can be as more as possible in the refrigerant amount that new blower fan takes
In the case of, meet the refrigerant requirements of multi-connected machine, make the overall operation effect of new blower fan and multi-connected machine while be guaranteed, keep away
Exempt from only to pursue the operational effect of multi-connected machine and cause new blower fan heat exchange unit refrigerant inlet very few so as to influence new blower fan
Normal operation.
In any of the above-described technical scheme, it is preferable that the control system of new blower fan also includes：Second control unit, is used for
When the ratio for judging new blower fan load and total load is less than or equal to preset value, application valve body keeps current aperture；Second sentences
Disconnected unit, for when the ratio for judging new blower fan load and total load is more than preset value, judging whether at least two valve bodies are complete
Portion closes；3rd control unit, for when judging that at least two valve bodies all close, application valve body to be kept closed；The
Four control units, when judging that at least two valve bodies do not close all, perform and control the valve body to reduce aperture.
In the technical scheme, after application valve body reduces aperture, new blower fan load and total load are reacquired, is laid equal stress on
Newly judge whether the ratio of new blower fan load and total load is less than or equal to preset value, when judged result for when being, maintenance is now
The aperture of valve body, new blower fan is continued to run with the case of the refrigerant inlet that valve body is controlled, meet new blower fan and more
Online running status, wherein, the aperture of now valve body can be maintained always until receiving shutdown command, also can be default the 3rd
After time, release the extra control to valve body, make valve body according to new blower fan fresh air program adjust aperture, be easy to new blower fan according to
The adjustment information that the user received sends, adjusts valve body, to adapt to user's request in time.Preferably, when receive user hair
During the adjust instruction gone out, according to the aperture of fresh air programme-control valve body, start counting up, after the 4th preset time is reached, start
The total load for obtaining new blower fan load and multi-online air-conditioning system is performed, the step in any of the above-described technical scheme is performed, with right
Valve body is adjusted.In addition, when the ratio for judging new blower fan load and total load is more than preset value, at least two are determined whether
Whether individual valve body all closes, and when judging that at least two valve bodies all close, now can not continue to reduce opening for valve body
Degree, and then application valve body keeps current closure state, reduces the refrigerant occupancy of new blower fan as far as possible.
In any of the above-described technical scheme, it is preferable that the control system of new blower fan also includes：3rd judging unit, is used for
Judge whether new blower fan load is equal with total load；5th control unit, for when the 3rd judging unit is judged as YES, controlling
New blower fan continues executing with fresh air program.
In the technical scheme, after the total load of new blower fan load and multi-online air-conditioning system is obtained, also judge new
Whether blower fan load is equal with total load, when new blower fan load is equal to total load, now in multi-online air-conditioning system, and only fresh air
Machine is being run, and enters the running situation without comprehending multi-connected machine, can be directly according to the operation of the new blower fan of fresh air programme-control, its
In, first judge whether new blower fan load equal with total load, then judge new blower fan load and total load ratio whether be less than or
Equal to preset value.
In any of the above-described technical scheme, it is preferable that the first control unit, which is additionally operable to work as, judges that new blower fan load is born with total
When the ratio of lotus is less than or equal to preset value, new blower fan is controlled to continue executing with fresh air program.
In the technical scheme, non-application valve body reduce aperture on the premise of, judge for the first time new blower fan load with
When the ratio of total load is less than or equal to preset value, now, the valve body aperture of new blower fan directly meets new blower fan and multi-connected machine
The demand of refrigerant amount, directly can be, it is necessary to illustrate, when application valve body is smaller according to the new fan operation of fresh air programme-control
Aperture and then the total load for reacquiring new blower fan load and multi-online air-conditioning system, new blower fan load is born with total again
When whether the ratio of lotus is judged less than or equal to preset value, when the ratio for judging new blower fan load and total load is less than or waits
When preset value, the current aperture of valve body, rather than the fresh air programme-control valve body according to new blower fan are only kept.
In any of the above-described technical scheme, it is preferable that the control system of new blower fan also includes：Second timing unit, is used for
Start timing after new blower fan continues executing with fresh air program, and after the second preset time is reached, activate acquiring unit.
In the technical scheme, after controlling new blower fan to continue executing with new blower fan program, the second timing unit starts to count
When, and after the second preset time, acquiring unit is activated, reacquire the total negative of new blower fan load and multi-online air-conditioning system
Lotus, it can reflect whether the refrigerant occupancy of new blower fan is excessive at any time, to adjust the aperture of valve body in time, avoid fresh air
After machine adjusts valve body aperture under the control of fresh air program, the load that new blower fan takes becomes big, and the refrigerant quantitative change of occupancy is big, and
Influence the operational effect of multi-connected machine.
Third aspect present invention proposes a kind of new blower fan, and new blower fan is used for multi-online air-conditioning system, and new blower fan includes：Extremely
A few heat exchange unit；At least one valve body, valve body correspond with heat exchange unit, and valve body is used to control into heat exchange unit
Refrigerant flow；And control panel, control panel are provided with the control system of the new blower fan such as any one of above-mentioned technical scheme.
In the technical scheme, fresh air machine have at least one heat exchange unit and with heat exchange unit one-to-one at least one
Individual valve body, when the number of heat exchange unit is multiple, it is arranged in parallel between any two heat exchange unit, has on control panel and deposit
Reservoir, for storing the control system of the new blower fan such as any one of above-mentioned technical scheme, to be controlled to new blower fan, and then
Beneficial effect with any of the above-described technical scheme, is not repeated one by one herein.Preferably, the number of heat exchange unit is two, valve
The number of body is two.
Fourth aspect present invention proposes a kind of multi-online air-conditioning system, including：Multi-connected machine and new blower fan, fresh air machine have
Such as the control system of the new blower fan of any one of above-mentioned technical scheme.
In the technical scheme, there is the new blower fan in multi-connected machine and above-mentioned technical proposal due to multi-online air-conditioning system,
And then the beneficial effect with above-mentioned technical proposal, do not repeat one by one herein.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 shows the schematic flow diagram of the control method of the new blower fan of one embodiment of the present invention；
Fig. 2 shows the schematic flow diagram of the control method of the new blower fan of second embodiment of the present invention；
Fig. 3 shows the schematic flow diagram of the control method of the new blower fan of the 3rd embodiment of the present invention；
Fig. 4 shows the schematic flow diagram of the control method of the new blower fan of the 4th embodiment of the present invention；
Fig. 5 shows the schematic flow diagram of the control method of the new blower fan of the 5th embodiment of the present invention；
Fig. 6 shows the schematic flow diagram of the control method of the new blower fan of the 6th embodiment of the present invention；
Fig. 7 shows the schematic flow diagram of the control method of the new blower fan of the 7th embodiment of the present invention；
Fig. 8 shows the schematic block diagram of the control system of the new blower fan of one embodiment of the present invention；
Fig. 9 shows the schematic block diagram of the control system of the new blower fan of second embodiment of the present invention；
Figure 10 shows the schematic block diagram of the control system of the new blower fan of the 3rd embodiment of the present invention；
Figure 11 shows the schematic block diagram of the control system of the new blower fan of the 4th embodiment of the present invention；
Figure 12 shows the schematic block diagram of the control system of the new blower fan of the 5th embodiment of the present invention；
Figure 13 shows the schematic block diagram of the control system of the new blower fan of the 6th embodiment of the present invention；
Figure 14 shows the schematic block diagram of the control system of the new blower fan of the 7th embodiment of the present invention；
Figure 15 shows the new blower fan layout structure schematic diagram of one embodiment of the present of invention.
Wherein, the corresponding relation in Figure 15 between reference and component names is：
12 heat exchange units (heat exchange units of 12a first, the heat exchange units of 12b second), the 14 valve bodies (valve bodies of 14a first, 14b
Two valve bodies).
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 to Fig. 7 shows the schematic flow diagram of the control method of the new blower fan of the embodiment of first aspect present invention.
As shown in figure 1, the control method for the new blower fan that one embodiment of the present invention provides, including：
Step S102, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S104, judges whether the ratio of new blower fan load and total load is less than or equal to preset value；
Step S106, when judged result is no, application valve body reduces aperture.
In this embodiment, the total load of multi-online air-conditioning system is accounted for by system operation, detecting new blower fan load
Proportion, can reflect the refrigerant amount that new blower fan takes number, and then when new blower fan load accounting weight is larger, i.e., newly
When blower fan refrigerant occupancy is larger, aperture can be reduced by application valve body in time, reduce the refrigerant flow for entering new blower fan, and then
Into the refrigerant flow of the indoor set of multi-connected machine, effectively avoiding new blower fan from taking refrigerant amount excessively causes multi-connected machine for increase
The refrigeration or heating effect of other interior machines in air-conditioning system are deteriorated, and improve Consumer's Experience.Preferably, valve body is electronic expansion
Valve.
As shown in Fig. 2 the control method for the new blower fan that second embodiment of the present invention provides, including：
Step S202, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S204, judges whether the ratio of new blower fan load and total load is less than or equal to preset value；
Step S206, when judged result is no, application valve body reduces aperture.
Step S208, start timing, and after the first preset time is reached, return to step S202.
In this embodiment, on the one hand, after the first preset time gives the reduction of valve body aperture, new blower fan load variations
Time, avoid within the short time after valve body reduces aperture new blower fan load variations smaller and cause normal condition lower valve body at this
There is gross error with the information after obtaining in new blower fan load under aperture, and ultimately results in the aperture control inaccuracy of valve body, shadow
Ring the operational effect of new blower fan and multi-connected machine, on the other hand, after the first preset time is reached, reacquire new blower fan load and
Total load, after can detecting that valve body aperture reduces in time, the change of new blower fan load, reflect valve body current in time
Whether disclosure satisfy that new blower fan load takes the ratio of total load within a preset range under aperture, to adjust valve body in time.Separately
Outside, because the time for judging and sending control instruction is very short, therefore, application valve body reduce aperture first it is default between after,
The total load of new blower fan load and multi-online air-conditioning system is obtained again, is also equal to and is directly just weighed at interval of the first preset time
Multiple step S202 belongs to protection scope of the present invention to step S206.
As shown in figure 3, the control method for the new blower fan that the 3rd embodiment of the present invention provides, including：
Step S302, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S304, judges whether the ratio of new blower fan load and total load is less than or equal to preset value；
Step S306, when judged result is no, calculate the number for reaching the first preset time；
Step S308, when the number for reaching the first preset time is n, judge whether n+1 is less than or equal to of valve body
Number m；
Step S310, when judged result for when being, (n+1)th valve body at least two valve bodies of control reduces aperture；
Step S312, when judged result is no, the n-th-m at least two valve bodies valve bodies are controlled to close completely；
Step S314, start timing, and after the first preset time is reached, return to step S302.
In this embodiment, fresh air machine has at least two heat exchange units and corresponding at least with heat exchange unit one-to-one corresponding
Two valve bodies, any two heat exchange unit at least two heat exchange units is parallel with one another, when new blower fan load and total load
, now can be according at least one valve of the corresponding sequential control of the number with reaching the first preset time when ratio is more than preset value
Body reduces aperture.For example, when the number for reaching the first preset time is zero degree, first at least two valve bodies can control
Valve body reduces aperture, and first valve body is any valve body, and valve body is numbered merely to description is convenient, default when reaching
It when the number of time is one time, can control second valve body to reduce aperture, also can control second valve body and the 3rd valve body same
When reduce aperture, also can control first valve body completely close, can be according to actual conditions, according to appropriate sequential control valve body
Aperture.Further refined by the control at least two valve bodies, can be as much as possible in the refrigerant amount that new blower fan takes
In the case of, meet the refrigerant requirements of multi-connected machine, make the overall operation effect of new blower fan and multi-connected machine while be guaranteed.
As shown in figure 4, the control method for the new blower fan that the 4th embodiment of the present invention provides, including：
Step S402, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S404, judges whether the ratio of new blower fan load and total load is less than or equal to preset value；
Step S406, when judged result is no, calculate the frequency n for reaching the first preset time；
Step S408, judges whether n is equal to 0；
Step S410, when judging that n is equal to 0, judge whether at least two valve bodies all close；
Step S412, when judging that at least two valve bodies do not close all or when n is not equal to 0, according to relative with frequency n
The preset order answered controls at least one valve body to reduce aperture；
Step S414, when judging that at least two valve bodies all close, application valve body is kept closed；
Step S416, start timing, and after the first preset time is reached, return to step S402；
Step S418, when n is not equal to 0, and when the ratio of new blower fan load and total load is less than or equal to preset value,
Application valve body keeps current aperture.
In this embodiment, after application valve body reduces aperture, new blower fan load and total load are reacquired, and again
Judge whether the ratio of new blower fan load and total load is less than or equal to preset value, when judged result is to be, maintain now valve
The aperture of body, new blower fan is continued to run with the case of the refrigerant inlet that valve body is controlled, meet new blower fan and multi-joint
The running status of machine, wherein, the aperture of now valve body can be maintained always until receiving shutdown command, also can be when the 3rd is default
Between after, release the extra control to valve body, valve body is adjusted aperture according to the fresh air program of new blower fan, be easy to new blower fan according to connecing
The adjustment information that the user received sends, adjusts valve body, to adapt to user's request in time.Preferably, send when receiving user
Adjust instruction when, according to the aperture of fresh air programme-control valve body, start timing, after the 4th preset time is reached, start to hold
Row obtains the total load of new blower fan load and multi-online air-conditioning system, the step in any of the above-described technical scheme is performed, with to valve
Body is adjusted.
As shown in figure 5, the control method for the new blower fan that the 5th embodiment of the present invention provides, including：
Step S502, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S504, judge whether new blower fan load is equal with total load；
Step S506, when being judged as YES, new blower fan is controlled to continue executing with fresh air program；
Step S508, judges whether the ratio of new blower fan load and total load is less than or equal to preset value, works as judged result
During to be, new blower fan is controlled to continue executing with fresh air program；
Step S510, when judged result is no, application valve body reduces aperture.
In this embodiment, after the total load of new blower fan load and multi-online air-conditioning system is obtained, fresh air is also judged
Whether machine load is equal with total load, when new blower fan load is equal to total load, now in multi-online air-conditioning system, and only new blower fan
Running, entering the running situation without comprehending multi-connected machine, can be directly according to the operation of the new blower fan of fresh air programme-control.
As shown in fig. 6, the control method for the new blower fan that the 6th embodiment of the present invention provides, including：
Step S602, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S604, judge whether new blower fan load is equal with total load；
Step S606, when being judged as YES, new blower fan is controlled to continue executing with fresh air program；
Step S608, start timing, and after the second preset time is reached, return to step S602.
Step S610, judges whether the ratio of new blower fan load and total load is less than or equal to preset value, works as judged result
During to be, return to step S606.
Step S612, when judged result is no, application valve body reduces aperture.
In this embodiment, on the premise of non-application valve body reduces aperture, judge for the first time new blower fan load with it is total
When the ratio of load is less than or equal to preset value, now, the valve body aperture of new blower fan directly meets the system of new blower fan and multi-connected machine
The demand of cryogen amount, directly can be, it is necessary to which explanation, be opened when application valve body is smaller according to the new fan operation of fresh air programme-control
The total load of new blower fan load and multi-online air-conditioning system is spent and then reacquires, again to new blower fan load and total load
Ratio when whether being judged less than or equal to preset value, when the ratio for judging new blower fan load and total load is less than or equal to
During preset value, the current aperture of valve body, rather than the fresh air programme-control valve body according to new blower fan are only kept.Control new blower fan after
After the continuous new blower fan program of execution, start timing, and after the second preset time, reacquire new blower fan load and multi-connected machine
The total load of air-conditioning system, it can reflect whether the refrigerant occupancy of new blower fan is excessive at any time, to adjust valve body in time
Aperture, after avoiding new blower fan from adjusting valve body aperture under the control of fresh air program, the load that new blower fan takes becomes big, occupancy
Refrigerant quantitative change is big, and influences the operational effect of multi-connected machine.
As shown in fig. 7, the control method for the new blower fan that the 7th embodiment of the present invention provides, including：
Step S702, in system operation, obtain the total load of new blower fan load and multi-online air-conditioning system；
Step S704, judge whether new blower fan load is equal with total load；
Step S706, when being judged as YES, new blower fan is controlled to continue executing with fresh air program；
Step S708, start timing, and after the second preset time is reached, return to step S702；
Step S710, judges whether the ratio of new blower fan load and total load is less than or equal to preset value；
Step S712, when judged result when being, to judge whether the number for reaching the first preset time is equal to 0, work as judgement
As a result it is when being, to perform step S706；
Step S714, when judged result is no, application valve body keeps current aperture；
Step S716, when whether the ratio for judging new blower fan load and total load is less than or equal to the judged result of preset value
For it is no when, calculate and reach the number of the first preset time；
Step S718, judges whether the number for reaching the first preset time is equal to 0；
Step S720, when judged result is no, judge whether at least two valve bodies all close；
Step S722, when judging that at least two valve bodies all close, application valve body is kept closed；
Step S724, when judging that at least two valve bodies do not close all or when the number for reaching the first preset time
When 0, at least one valve body is controlled to reduce aperture according to the preset order corresponding with frequency n；
Step S726, start timing, and after the first preset time is reached, return to step S702.
In this embodiment, it is necessary to illustrate, because the time for judging, sending control instruction and calculating is very short, therefore
When the first preset time and the second preset time it is equal or and its it is close when, directly setting obtained again at interval of the first preset time
New blower fan load and total load are taken, and carries out corresponding subsequent step, regardless of whether which kind of state valve body and new blower fan are in,
Belong in protection scope of the present invention.
Fig. 8 to Figure 13 shows the schematic block diagram of the control system of the new blower fan of the embodiment of second aspect of the present invention.
As shown in figure 8, the control system 100 for the new blower fan that one embodiment of the present invention provides, including：
Acquiring unit 102, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
First judging unit 104, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 106, for when judged result is no, application valve body to reduce aperture.
In this embodiment, the total load of multi-online air-conditioning system is accounted for by system operation, detecting new blower fan load
Proportion, can reflect the refrigerant amount that new blower fan takes number, and then when new blower fan load accounting weight is larger, i.e., newly
When blower fan refrigerant occupancy is larger, aperture can be reduced by application valve body in time, reduce the refrigerant flow for entering new blower fan, and then
Into the refrigerant flow of the indoor set of multi-connected machine, effectively avoiding new blower fan from taking refrigerant amount excessively causes multi-connected machine for increase
The refrigeration or heating effect of other interior machines in air-conditioning system are deteriorated, and improve Consumer's Experience.Preferably, valve body is electronic expansion
Valve.
As shown in figure 9, the control system 200 for the new blower fan that second embodiment of the present invention provides, including：
Acquiring unit 202, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
First judging unit 204, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 206, for when judged result is no, application valve body to reduce aperture；
First timing unit 208, after reducing aperture in application valve body, start timing, and it is default reaching first
After time, acquiring unit 202 is activated.
In this embodiment, on the one hand, after the first preset time gives the reduction of valve body aperture, new blower fan load variations
Time, avoid within the short time after valve body reduces aperture new blower fan load variations smaller and cause normal condition lower valve body at this
There is gross error with the information after obtaining in new blower fan load under aperture, and ultimately results in the aperture control inaccuracy of valve body, shadow
Ring the operational effect of new blower fan and multi-connected machine, on the other hand, after the first preset time is reached, reacquire new blower fan load and
Total load, after can detecting that valve body aperture reduces in time, the change of new blower fan load, reflect valve body current in time
Whether disclosure satisfy that new blower fan load takes the ratio of total load within a preset range under aperture, to adjust valve body in time.
As shown in Figure 10, the control system 300 for the new blower fan that the 3rd embodiment of the invention provides, including：
Acquiring unit 302, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
First judging unit 304, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 306, for when judged result is no, calculating the number for reaching the first preset time；When up to
When number to the first preset time is n, judge whether n+1 is less than or equal to the number m of valve body；When judged result is to be,
(n+1)th valve body at least two valve bodies is controlled to reduce aperture；When judged result is no, control at least two valve bodies
N-th-m valve bodies close completely；
First timing unit 308, after reducing aperture in application valve body, start timing, and it is default reaching first
After time, acquiring unit 302 is activated.
In this embodiment, fresh air machine has at least two heat exchange units and corresponding at least with heat exchange unit one-to-one corresponding
Two valve bodies, any two heat exchange unit at least two heat exchange units is parallel with one another, when new blower fan load and total load
, now can be according at least one valve of the corresponding sequential control of the number with reaching the first preset time when ratio is more than preset value
Body reduces aperture.For example, when the number for reaching the first preset time is zero degree, first at least two valve bodies can control
Valve body reduces aperture, and first valve body is any valve body, and valve body is numbered merely to description is convenient, default when reaching
It when the number of time is one time, can control second valve body to reduce aperture, also can control second valve body and the 3rd valve body same
When reduce aperture, also can control first valve body completely close, can be according to actual conditions, according to appropriate sequential control valve body
Aperture.Further refined by the control at least two valve bodies, can be as much as possible in the refrigerant amount that new blower fan takes
In the case of, meet the refrigerant requirements of multi-connected machine, make the overall operation effect of new blower fan and multi-connected machine while be guaranteed.
As shown in figure 11, the control system 400 for the new blower fan that the 4th embodiment of the invention provides, including：
Acquiring unit 402, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
First judging unit 404, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 410, for when judged result is no, calculating the number for reaching the first preset time；
Second judging unit 406, for when the ratio for judging new blower fan load and total load is more than preset value, and when reaching
When number to the first preset time is zero degree, judge whether at least two valve bodies all close；
4th control unit 416, for when judging that at least two valve bodies do not close all or when reach first it is default when
Between number when being not equal to 0, control at least one valve body to reduce aperture according to the preset order corresponding with number；
3rd control unit 414, for when judging that at least two valve bodies all close, application valve body to remain closed shape
State；
First timing unit 408, after reducing aperture in application valve body, start timing, and it is default reaching first
After time, acquiring unit 402 is activated；
Second control unit 412, for when the number for reaching the first preset time is not equal to 0, and working as new blower fan load
When being less than or equal to preset value with the ratio of total load, application valve body keeps current aperture.
In this embodiment, after application valve body reduces aperture, new blower fan load and total load are reacquired, and again
Judge whether the ratio of new blower fan load and total load is less than or equal to preset value, when judged result is to be, maintain now valve
The aperture of body, new blower fan is continued to run with the case of the refrigerant inlet that valve body is controlled, meet new blower fan and multi-joint
The running status of machine, wherein, the aperture of now valve body can be maintained always until receiving shutdown command, also can be when the 3rd is default
Between after, release the extra control to valve body, valve body is adjusted aperture according to the fresh air program of new blower fan, be easy to new blower fan according to connecing
The adjustment information that the user received sends, adjusts valve body, to adapt to user's request in time.It should be noted that first judges list
The judging unit 406 of member 404 and second can be a judging unit, and the control unit 416 of the first control unit 410 to the 4th is alternatively
One control unit.
As shown in figure 12, the control system 500 for the new blower fan that the 5th embodiment of the invention provides, including：
Acquiring unit 502, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
3rd judging unit 506, for judging whether new blower fan load is equal with total load；
5th control unit 510, for when being judged as YES, controlling new blower fan to continue executing with fresh air program；
First judging unit 504, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 508, for when judged result is to be, controlling new blower fan to continue executing with fresh air program；When sentencing
When disconnected result is no, application valve body reduces aperture.
In this embodiment, after the total load of new blower fan load and multi-online air-conditioning system is obtained, fresh air is also judged
Whether machine load is equal with total load, when new blower fan load is equal to total load, now in multi-online air-conditioning system, and only new blower fan
Running, entering the running situation without comprehending multi-connected machine, can directly according to the operation of the new blower fan of fresh air programme-control, wherein,
First judge whether new blower fan load is equal with total load, then judge whether the ratio of new blower fan load and total load is less than or equal to
Preset value.In addition, the first judging unit 504 and the 3rd judging unit 506 can be a judging unit, the first control unit 508
Can be a control unit with the 5th control unit 510.
As shown in figure 13, the control system 600 for the new blower fan that the 6th embodiment of the invention provides, including：
Acquiring unit 602, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
3rd judging unit 606, for judging whether new blower fan load is equal with total load；
5th control unit 610, for when the 3rd judging unit 606 is judged as YES, controlling new blower fan to continue executing with newly
Fetch sequence；
Second timing unit 612, for starting timing after continuing executing with fresh air program in new blower fan, and reaching second
After preset time, acquiring unit 602 is activated.
First judging unit 604, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 608, for when judged result is to be, controlling new blower fan to continue executing with fresh air program, activating
Second timing unit；When judged result is no, application valve body reduces aperture.
In this embodiment, on the premise of non-application valve body reduces aperture, judge for the first time new blower fan load with it is total
When the ratio of load is less than or equal to preset value, now, the valve body aperture of new blower fan directly meets the system of new blower fan and multi-connected machine
The demand of cryogen amount, directly can be, it is necessary to which explanation, be opened when application valve body is smaller according to the new fan operation of fresh air programme-control
The total load of new blower fan load and multi-online air-conditioning system is spent and then reacquires, again to new blower fan load and total load
Ratio when whether being judged less than or equal to preset value, when the ratio for judging new blower fan load and total load is less than or equal to
During preset value, the current aperture of valve body, rather than the fresh air programme-control valve body according to new blower fan are only kept.Control new blower fan after
After the continuous new blower fan program of execution, start timing, and after the second preset time, reacquire new blower fan load and multi-connected machine
The total load of air-conditioning system, it can reflect whether the refrigerant occupancy of new blower fan is excessive at any time, to adjust valve body in time
Aperture, after avoiding new blower fan from adjusting valve body aperture under the control of fresh air program, the load that new blower fan takes becomes big, occupancy
Refrigerant quantitative change is big, and influences the operational effect of multi-connected machine.
As shown in figure 14, the control system 700 for the new blower fan that the 7th embodiment of the invention provides, including：
Acquiring unit 702, in system operation, obtaining the total load of new blower fan load and multi-online air-conditioning system；
3rd judging unit 708, for judging whether new blower fan load is equal with total load；
5th control unit 722, for when being judged as YES, controlling new blower fan to continue executing with fresh air program；
Second timing unit 712, for starting timing after continuing executing with fresh air program in new blower fan, and reaching second
After preset time, acquiring unit 702 is activated；
First judging unit 704, for judging whether the ratio of new blower fan load and total load is less than or equal to preset value；
First control unit 714, for when the number for reaching the first preset time is zero degree, and when judged result is yes
When, control new blower fan to continue executing with fresh air program, activate the second timing unit 712；
Second control unit 716, for being preset when whether the ratio for judging new blower fan load and total load is less than or equal to
The judged result of value is when being, application valve body keeps current aperture；
First control unit 714, it is additionally operable to when whether the ratio for judging new blower fan load and total load is less than or equal in advance
If the judged result of value is no, the number for reaching the first preset time is calculated；
Second judging unit 706, the judged result whether number for reaching the first preset time when judgement is equal to 0 are
When no, judge whether at least two valve bodies all close；
3rd control unit 718, for when judging that at least two valve bodies all close, application valve body to remain closed shape
State；
4th control unit 720, for when judging that at least two valve bodies do not close all or when reach first it is default when
Between number when being not equal to 0, control at least one valve body to reduce aperture according to the preset order corresponding with frequency n；
First timing unit 710, for starting timing after controlling at least one valve body to reduce aperture, and reaching the
After one preset time, acquiring unit 702 is activated.
As shown in figure 15, the third aspect of the present invention embodiment proposes a kind of new blower fan, and it is empty that new blower fan is used for multi-connected machine
Adjusting system, new blower fan include：Such as the control system of the new blower fan of any one of above-mentioned embodiment.
In this embodiment, fresh air machine has at least one heat exchange unit 12 and one-to-one at least with heat exchange unit 12
One valve body 14, when the number of heat exchange unit 12 is multiple, it is arranged in parallel between any two heat exchange unit 12, control panel
It is upper that there is memory, for storing the control system of the new blower fan such as any one of above-mentioned technical scheme, to be carried out to new blower fan
Control, and then the beneficial effect with any of the above-described technical scheme, are not repeated one by one herein.Preferably, of heat exchange unit 12
Number is two, respectively the first heat exchange unit 12a and the second heat exchange unit 12b, and the number of valve body 14 is two, respectively first
Valve body 14a and the second valve body 14b.In addition, the first timing unit 710 and the second timing unit 712 can be a timing unit, the
The control unit 722 of one control unit 714 to the 5th can be a control unit, the judging unit of the first judging unit 704 to the 3rd
708 can be a judging unit.
Fourth aspect present invention proposes a kind of multi-online air-conditioning system of embodiment, including：Multi-connected machine and new blower fan, fresh air
Control system of the equipment just like the new blower fan of any one of above-described embodiment.
In this embodiment, there is the new blower fan in multi-connected machine and above-mentioned technical proposal due to multi-online air-conditioning system, enter
And the beneficial effect with above-described embodiment, do not repeat one by one herein.
Fifth aspect present invention embodiment proposes a kind of computer equipment, including memory, processor and is stored in
On reservoir and the computer program that can run on a processor, it is characterised in that processor is used to perform as in above-mentioned embodiment
The step of control method of the new blower fan of any one.
Sixth aspect present invention embodiment proposes a kind of computer-readable recording medium, is stored thereon with computer journey
Sequence, it is characterised in that realized when computer program is executed by processor such as the control of the new blower fan of any one of above-mentioned embodiment
The step of method.
In the present invention, term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, can also
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, and can also be indirectly connected by intermediary.It is right
For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (16)
1. a kind of control method of new blower fan, the new blower fan is used for multi-online air-conditioning system, and the fresh air machine has heat exchange single
Member and control enter the valve body of the refrigerant flow of heat exchange unit, it is characterised in that including：
In system operation, the total load of new blower fan load and the multi-online air-conditioning system is obtained；
Judge whether the new blower fan load and the ratio of the total load are less than or equal to preset value；
When judged result is no, the valve body is controlled to reduce aperture.
2. the control method of new blower fan according to claim 1, it is characterised in that reduce in the control valve body and open
After degree, in addition to：
Start timing, and after the first preset time is reached, return to the execution new blower fan load of acquisition and the multi-connected machine is empty
The total load of adjusting system.
3. the control method of new blower fan according to claim 2, it is characterised in that the fresh air machine has at least two to change
Hot cell and at least two valve bodies, the valve body correspond with the heat exchange unit, appoint at least two heat exchange unit
Two heat exchange units of anticipating are parallel with one another, and the control valve body reduces aperture and specifically included：
Calculate the number for reaching first preset time；
Reduce aperture according to the preset order control at least one valve body corresponding with the number.
4. the control method of new blower fan according to claim 3, it is characterised in that reduce in the control valve body and open
After degree, in addition to：
When the ratio for judging the new blower fan load and the total load is less than or equal to preset value, the valve body is controlled to keep
Current aperture；
When the ratio for judging the new blower fan load and the total load is more than preset value, judge that at least two valve body is
No all closures；
When judging that at least two valve body all closes, the valve body is controlled to be kept closed；
When judging that at least two valve body does not close all, perform the control valve body and reduce aperture.
5. the control method of new blower fan according to claim 1, it is characterised in that obtain new blower fan load and institute described
After the total load for stating multi-online air-conditioning system, in addition to：
Judge whether the new blower fan load is equal with the total load, when being judged as YES, control the new blower fan to continue to hold
Row fresh air program.
6. the control method of new blower fan according to claim 1, it is characterised in that
When the ratio for judging the new blower fan load and the total load is less than or equal to preset value, the control new blower fan after
It is continuous to perform fresh air program.
7. the control method of the new blower fan according to claim 5 or 6, it is characterised in that in the control new blower fan
After continuing executing with fresh air program, in addition to：
Start timing, and after the second preset time is reached, return to the execution new blower fan load of acquisition and the multi-connected machine is empty
The total load of adjusting system.
8. a kind of control system of new blower fan, the new blower fan is used for multi-online air-conditioning system, and the fresh air machine has heat exchange single
Member and control enter the valve body of the refrigerant flow of heat exchange unit, it is characterised in that including：
Acquiring unit, in system operation, obtaining the total load of new blower fan load and the multi-online air-conditioning system；
First judging unit, it is default whether the ratio for judging the new blower fan load and the total load is less than or equal to
Value；
First control unit, for when judged result is no, controlling the valve body to reduce aperture.
9. the control system of new blower fan according to claim 8, it is characterised in that also include：
First timing unit, for starting timing after described control unit is activated, and after the first preset time is reached, swash
The acquiring unit living.
10. the control system of new blower fan according to claim 9, it is characterised in that the fresh air machine has at least two
Heat exchange unit and at least two valve bodies, the valve body correspond with the heat exchange unit, at least two heat exchange unit
Heat exchange unit is parallel with one another described in any two；
First control unit is specifically used for：Calculate the number for reaching first preset time；According to the number phase
The corresponding at least one valve body of preset order control reduces aperture.
11. the control system of new blower fan according to claim 10, it is characterised in that also include：
Second control unit, judge that the new blower fan load and the ratio of the total load are less than or equal to preset value for working as
When, control the valve body to keep current aperture；
Second judging unit, for when the ratio for judging the new blower fan load and the total load is more than preset value, judging
Whether at least two valve body all closes；
3rd control unit, for when judging that at least two valve body all closes, controlling the valve body to remain closed shape
State；
4th control unit, when judging that at least two valve body does not close all, perform the control valve body and reduce
Aperture.
12. the control system of new blower fan according to claim 1, it is characterised in that also include：
3rd judging unit, for judging whether the new blower fan load is equal with the total load；
5th control unit, for when the 3rd judging unit is judged as YES, controlling the new blower fan to continue executing with fresh air
Program.
13. the control system of new blower fan according to claim 1, it is characterised in that
First control unit is additionally operable to when the ratio for judging the new blower fan load and the total load is less than or equal in advance
If during value, the new blower fan is controlled to continue executing with fresh air program.
14. the control system of the new blower fan according to claim 12 or 13, it is characterised in that also include：
Second timing unit, for starting timing after continuing executing with fresh air program in the new blower fan, and it is pre- reaching second
If after the time, activate the acquiring unit.
15. a kind of new blower fan, the new blower fan is used for multi-online air-conditioning system, it is characterised in that the new blower fan includes：
At least one heat exchange unit；
At least one valve body, the valve body correspond with the heat exchange unit, and the valve body, which is used to control, enters the heat exchange
The refrigerant flow of unit；With
Control panel, the control panel are provided with the control system of the new blower fan as any one of claim 8 to 14.
A kind of 16. multi-online air-conditioning system, it is characterised in that including：
Multi-connected machine and new blower fan as claimed in claim 15.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954712A (en) * | 2018-07-23 | 2018-12-07 | 广东美的暖通设备有限公司 | The control method and control system and air conditioner of air conditioner |
| WO2020038006A1 (en) * | 2018-08-20 | 2020-02-27 | 青岛海尔空调电子有限公司 | Control method for multi-split air conditioning system |
| CN111121153A (en) * | 2019-12-20 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Multi-connected indoor unit and fresh air fan hybrid system and control method thereof |
| CN111121152A (en) * | 2019-12-20 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Multi-connected outdoor unit and fresh air fan mixed connection system and control method thereof |
| CN111561770A (en) * | 2020-05-21 | 2020-08-21 | 广东美的暖通设备有限公司 | Fresh air system, control method thereof and computer-readable storage medium |
| CN112781200A (en) * | 2019-11-01 | 2021-05-11 | 广东美的制冷设备有限公司 | Wall-penetrating type air conditioner, control method and device thereof and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0331631A (en) * | 1989-06-28 | 1991-02-12 | Matsushita Refrig Co Ltd | Multicompartment type air conditioner |
| CN2752657Y (en) * | 2004-07-18 | 2006-01-18 | 无锡小天鹅中央空调有限公司 | Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner |
| CN102032629A (en) * | 2010-12-06 | 2011-04-27 | 上海朗诗建筑科技有限公司 | Load adjustable double working condition integrated heat pump system |
| CN102032630A (en) * | 2010-12-06 | 2011-04-27 | 东南大学 | Dual-working condition integrated heat pump device with adjustable load and drive method |
| CN106500404A (en) * | 2016-12-27 | 2017-03-15 | 江苏天舒电器股份有限公司 | A kind of pair of transfiguration heat pump cold-hot combined supply system and its control method |
-
2017
- 2017-10-25 CN CN201711008867.1A patent/CN107726567B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0331631A (en) * | 1989-06-28 | 1991-02-12 | Matsushita Refrig Co Ltd | Multicompartment type air conditioner |
| CN2752657Y (en) * | 2004-07-18 | 2006-01-18 | 无锡小天鹅中央空调有限公司 | Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner |
| CN102032629A (en) * | 2010-12-06 | 2011-04-27 | 上海朗诗建筑科技有限公司 | Load adjustable double working condition integrated heat pump system |
| CN102032630A (en) * | 2010-12-06 | 2011-04-27 | 东南大学 | Dual-working condition integrated heat pump device with adjustable load and drive method |
| CN106500404A (en) * | 2016-12-27 | 2017-03-15 | 江苏天舒电器股份有限公司 | A kind of pair of transfiguration heat pump cold-hot combined supply system and its control method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954712A (en) * | 2018-07-23 | 2018-12-07 | 广东美的暖通设备有限公司 | The control method and control system and air conditioner of air conditioner |
| CN108954712B (en) * | 2018-07-23 | 2020-12-18 | 广东美的暖通设备有限公司 | Control method and control system of air conditioner and air conditioner |
| WO2020038006A1 (en) * | 2018-08-20 | 2020-02-27 | 青岛海尔空调电子有限公司 | Control method for multi-split air conditioning system |
| CN112781200A (en) * | 2019-11-01 | 2021-05-11 | 广东美的制冷设备有限公司 | Wall-penetrating type air conditioner, control method and device thereof and readable storage medium |
| CN111121153A (en) * | 2019-12-20 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Multi-connected indoor unit and fresh air fan hybrid system and control method thereof |
| CN111121152A (en) * | 2019-12-20 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Multi-connected outdoor unit and fresh air fan mixed connection system and control method thereof |
| CN111121153B (en) * | 2019-12-20 | 2021-10-22 | 宁波奥克斯电气股份有限公司 | Multi-connected indoor unit and fresh air fan hybrid system and control method thereof |
| CN111561770A (en) * | 2020-05-21 | 2020-08-21 | 广东美的暖通设备有限公司 | Fresh air system, control method thereof and computer-readable storage medium |
| CN111561770B (en) * | 2020-05-21 | 2021-09-21 | 广东美的暖通设备有限公司 | Fresh air system, control method thereof and computer-readable storage medium |
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