CN108195034A - Control method, device, interior machine and the multi-connected air conditioner of interior machine - Google Patents
Control method, device, interior machine and the multi-connected air conditioner of interior machine Download PDFInfo
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- CN108195034A CN108195034A CN201711298895.1A CN201711298895A CN108195034A CN 108195034 A CN108195034 A CN 108195034A CN 201711298895 A CN201711298895 A CN 201711298895A CN 108195034 A CN108195034 A CN 108195034A
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- interior machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of control method of interior machine, device, interior machine, multi-connected air conditioners.Wherein, a kind of control method of interior machine, including：When multiple interior machines are shut down, judge whether machine is the interior machine finally shut down in current；When judging result is when being, when receiving the stopping signal that outer machine is sent, controls the electric expansion valve of machine in current to open to standby aperture.Pass through technical scheme of the present invention, on the one hand the pressure difference of the high and low pressure side of whole system can be balanced, ensure that multi-line system can restart, on the other hand on the basis of original master control borad hardware, software program only need to be changed, without increasing cost, it is possible to quickly and efficiently eliminate air balance noise, so as to promote user satisfaction, and fast responding market demand.
Description
Technical field
The present invention relates to air conditioner technical fields, in particular to a kind of control method of interior machine, a kind of control of interior machine
Device processed, a kind of interior machine, a kind of multi-connected air conditioner, a kind of computer equipment, a kind of computer readable storage medium.
Background technology
Multi-connected air conditioning system is generally made of machine in outer machine and Duo Tai.Every interior machine there are one electric expansion valve, so as to
Realize that the individual open and close of the interior machine and cold medium flux are adjusted.
After outer machine is shut down, when being restarted in order to ensure entire multi-line system, compressor air-discharging, return-air side are (i.e. high
Low-pressure side) pressure difference be less than design pressure difference, current way is, when outer function need to be zero, all interior machine Close Alls, then weigh
It newly opens to standby aperture, by interior machine come the pressure difference of bypass compressor high and low pressure side.But outer function is needed just to zero, whole system
High and low pressure side pressure difference is larger, and interior machine electric expansion valve is just held at once can be because airflow scouring be a burst of so as to generate to initial opening
The noise of " ", so as to influence the comfort of air-conditioning.
Invention content
The present invention is directed at least solve one of technical problem present in the prior art or the relevant technologies.
For this purpose, it is an aspect of the invention to propose a kind of control method of interior machine.
Another aspect of the present invention is to propose a kind of control device of interior machine.
Another aspect of the invention is to propose a kind of interior machine.Another aspect of the present invention is to propose a kind of multi-joint
Formula air-conditioning.
Another aspect of the present invention is to propose a kind of computer equipment.
Another aspect of the present invention is to propose a kind of computer readable storage medium.
In view of this, the present invention proposes a kind of control method of interior machine, and for multi-connected air conditioner, which stealthily substitutes
At least one outer machine and the multiple interior machines being connect at least one outer machine are included, which includes：When multiple interior machines are shut down,
Judge whether machine is the interior machine finally shut down in current；When judging result is to be, when the stopping signal for receiving outer machine transmission
When, the electric expansion valve of machine in current is controlled to open to standby aperture.
The control method of multi-connected air conditioner according to the present invention, when multi-line system is shut down, by finding last
The interior machine closed, and when determining outer organ closes, at once open the aperture of the interior machine to standby aperture, and other has been switched off
Interior machine then keeps current aperture constant, on the one hand can balance the pressure difference of the high and low pressure side of whole system in this way, it is ensured that multi-joint
Machine system can restart, and on the other hand on the basis of original master control borad hardware, only software program need to be changed, without increasing
Cost, it is possible to air balance noise is quickly and efficiently eliminated, so as to promote user satisfaction, and fast responding market demand.
In addition, according to the control method of the above-mentioned multi-connected air conditioner of the present invention, there can also be following additional technology spy
Sign：
In the above-mentioned technical solutions, it is preferable that judge the step of whether machine is the interior machine finally shut down in current, it is specific to wrap
It includes：Judge whether function need to be zero in current, if zero, start timing, obtain the first timing variable, then judge whether to receive
The signal that outer machine is shut down；When judging result is when being, judges whether the first timing variable is less than the first preset time；When the first meter
When variations per hour is less than the first preset time, then the current interior machine of judgement is the interior machine finally shut down.
In the technical scheme, be failure or off-mode when interior machine reaches set temperature or operating status, i.e., interior function
It need to be zero, start timing at this time, then judge whether outer machine shuts down, when receiving the signal that outer machine is shut down, then compare first
Whether timing variable is less than the first preset time, wherein when the first preset time is according to once communicating required between internal-external machine
Between and design, if the first timing variable is less than the first preset time, can determine that machine is last closing in current
Interior machine.The offer control method of the present invention is closed by calculating from interior organ to the time for receiving outer machine and being turned off signal, to judge
Whether machine is interior machine that last is closed in current, when determining outer machine shutdown, the electronic expansion of interior machine that will finally close
Valve is opened at once to standby aperture, and other interior machines having been switched off then keep current aperture constant, need not both increase cost in this way,
The air balance noise during electric expansion valve opening of machine in multi-connected machine can be quickly reduced again, so as to which the use for improving air-conditioning is relaxed
Adaptive, and it is enable to respond quickly the market demand.
In any of the above-described technical solution, it is preferable that when the judging result for the signal for judging whether to receive outer machine shutdown
During to be, which further includes：Start timing, obtain the second timing variable；When judging whether the first timing variable is less than
The judging result of first preset time is more than or equal to then the current interior machine of control keeps current aperture, and in the second timing variable
After reaching the second preset time, open to standby aperture.
In the technical scheme, it is preset if the time being turned off after organ closes in current to determining outer machine is more than or equal to first
Time, then can be determined that machine in current is not the interior machine that last is closed, and machine keeps current aperture not in control at this time is current
Become, opened again to standby aperture after the second timing variable reaches the second preset time, wherein the second preset time is according to multi-joint
Shortest time for restarting after formula air-conditioning is shut down and design, only need to be by an interior machine come by this way when outer machine is shut down
The pressure difference of logical compressor high and low pressure side, without by all interior machines come the pressure difference of bypass compressor high and low pressure side, and the interior machine
Still the interior machine finally closed can quickly and efficiently eliminate air-flow when machine electric expansion valve is opened in multi-connected machine and put down in this way
Weigh noise, while ensures that multi-line system can restart, and ensures the reliability service of system.
In any of the above-described technical solution, it is preferable that the value range of the first preset time：15S to 30S；Second is default
The value range of time：5min to 7min.
In the technical scheme, the first preset time was set according to the time needed for the primary communication of progress between internal-external machine
Meter, preferably its value range in 15S between 30S, but not limited to this；Second preset time is shut down according to multi-connected air conditioner
Shortest time for restarting afterwards and design, value is generally higher than 1min, preferably its value range 5min to 7min it
Between, but not limited to this.
In any of the above-described technical solution, it is preferable that judge in current function need to when whether the judging result for being zero is zero,
Whether the aperture for judging the electric expansion valve of machine in current again has been zero, if not zero, aperture is assigned a value of zero, and by first
Timing variable assignments is zero；And when it is to be to judge whether the judging result for receiving the signal that outer machine is shut down, then judge outer
Whether needing for machine has been zero, if not zero, the energy of outer machine need to be assigned a value of zero, and be zero by the second timing variable assignments.
In the technical scheme, it when the energy of machine need to be zero in current, is opened by the electric expansion valve for judging the interior machine
Whether degree is zero, to determine the time zero of the first timing variable, if specifically, the aperture of the electric expansion valve is not zero,
Illustrate that the interior machine is just closed, be zero by the first timing variable assignments at this time by the way that aperture is assigned a value of zero, to determine that timing rises
Point (also first resets the first timing variable, in reclocking).Equally, when current interior machine receives the signal of outer machine shutdown
When, can need to whether be zero by judge outer machine, to determine the time zero of the second timing variable, if specifically, outer
The energy of machine need to be not zero, and illustrate that outer machine is just shut down, and at this time by the way that the energy of outer machine need to be assigned a value of zero, the second timing variable is assigned
Value is zero, to determine delay time zero (also first resetting the second timing variable, in reclocking).
The invention also provides a kind of control devices of interior machine, and for multi-connected air conditioner, which is included at least
One outer machine and the multiple interior machines being connect at least one outer machine, the control device include：Judging unit, for working as multiple interior machines
During shutdown, judge whether machine is the interior machine finally shut down in current；Control unit, for when judging result is when being, works as reception
During the stopping signal sent to outer machine, the electric expansion valve of interior machine finally shut down is controlled to open to standby aperture.
The control device of multi-connected air conditioner according to the present invention, when multi-line system is shut down, by finding last
The interior machine closed, and when determining outer organ closes, at once open the aperture of the interior machine to standby aperture, and other has been switched off
Interior machine then keeps current aperture constant, on the one hand can balance the pressure difference of the high and low pressure side of whole system in this way, it is ensured that multi-joint
Machine system can restart, and on the other hand on the basis of original master control borad hardware, only software program need to be changed, without increasing
Cost, it is possible to air balance noise is quickly and efficiently eliminated, so as to promote user satisfaction, and fast responding market demand.
In the above-mentioned technical solutions, it is preferable that judging unit is specifically used for：Judge whether function need to be zero in current, if
It is zero, starts timing, obtain the first timing variable, then judges whether to receive the signal that outer machine is shut down；When judging result is yes
When, judge whether the first timing variable is less than the first preset time；When the first timing variable is less than the first preset time, then sentence
Machine is the interior machine finally shut down in before settled.
In the technical scheme, be failure or off-mode when interior machine reaches set temperature or operating status, i.e., interior function
It need to be zero, start timing at this time, then judge whether outer machine shuts down, when receiving the signal that outer machine is shut down, then compare first
Whether timing variable is less than the first preset time, wherein when the first preset time is according to once communicating required between internal-external machine
Between and design, if the first timing variable is less than the first preset time, can determine that machine is last closing in current
Interior machine.The offer control method of the present invention is closed by calculating from interior organ to the time for receiving outer machine and being turned off signal, to judge
Whether machine is interior machine that last is closed in current, when determining outer machine shutdown, the electronic expansion of interior machine that will finally close
Valve is opened at once to standby aperture, and other interior machines having been switched off then keep current aperture constant, need not both increase cost in this way,
The air balance noise during electric expansion valve opening of machine in multi-connected machine can be quickly reduced again, so as to which the use for improving air-conditioning is relaxed
Adaptive, and it is enable to respond quickly the market demand.
In any of the above-described technical solution, it is preferable that when the judging result for the signal for judging whether to receive outer machine shutdown
During to be, control unit is additionally operable to：Start timing, obtain the second timing variable；When judging whether the first timing variable is less than the
The judging result of one preset time is more than or equal to then the current interior machine of control keeps current aperture, and reach in the second timing variable
To after the second preset time, open to standby aperture.
In the technical scheme, it is preset if the time being turned off after organ closes in current to determining outer machine is more than or equal to first
Time, then can be determined that machine in current is not the interior machine that last is closed, and machine keeps current aperture not in control at this time is current
Become, opened again to standby aperture after the second timing variable reaches the second preset time, wherein the second preset time is according to multi-joint
Shortest time for restarting after formula air-conditioning is shut down and design, only need to be by an interior machine come by this way when outer machine is shut down
The pressure difference of logical compressor high and low pressure side, without by all interior machines come the pressure difference of bypass compressor high and low pressure side, and the interior machine
Still the interior machine finally closed can quickly and efficiently eliminate air-flow when machine electric expansion valve is opened in multi-connected machine and put down in this way
Weigh noise, while ensures that multi-line system can restart, and ensures the reliability service of system.
In any of the above-described technical solution, it is preferable that the value range of the first preset time：15S to 30S；Second is default
The value range of time：5min to 7min.
In the technical scheme, the first preset time was set according to the time needed for the primary communication of progress between internal-external machine
Meter, preferably its value range in 15S between 30S, but not limited to this；Second preset time is shut down according to multi-connected air conditioner
Shortest time for restarting afterwards and design, value is generally higher than 1min, preferably its value range 5min to 7min it
Between, but not limited to this.
In any of the above-described technical solution, it is preferable that timing unit, for judging whether function in current need to be zero to sentence
When disconnected result is zero, then judge whether the aperture of the electric expansion valve of machine in current has been zero, if not zero, by aperture assignment
It is zero, and is zero by the first timing variable assignments；And timing unit, it is additionally operable to work as the letter for judging whether to receive outer machine shutdown
Number judging result for be when, then judge outer machine can need whether be zero, if not zero, the energy of outer machine need to be assigned a value of
Zero, and be zero by the second timing variable assignments.
In the technical scheme, it when the energy of machine need to be zero in current, is opened by the electric expansion valve for judging the interior machine
Whether degree is zero, to determine the time zero of the first timing variable, if specifically, the aperture of the electric expansion valve is not zero,
Illustrate that the interior machine is just closed, be zero by the first timing variable assignments at this time by the way that aperture is assigned a value of zero, to determine that timing rises
Point (also first resets the first timing variable, in reclocking).Equally, when current interior machine receives the signal of outer machine shutdown
When, can need to whether be zero by judge outer machine, to determine the time zero of the second timing variable, if specifically, outer
The energy of machine need to be not zero, and illustrate that outer machine is just shut down, and at this time by the way that the energy of outer machine need to be assigned a value of zero, the second timing variable is assigned
Value is zero, to determine delay time zero (also first resetting the second timing variable, in reclocking).
The invention also provides a kind of interior machine, including：Such as the control device of the interior machine of any one of above-mentioned technical proposal.
The invention also provides a kind of multi-connected air conditioners, including at least one outer machine, further include and connect at least one outer machine
The multiple interior machines as in above-described embodiment or the control device of the interior machine such as any one of above-mentioned technical proposal connect.
Multi-connected air conditioner according to the present invention, using the control device of the interior machine of such as any one of above-mentioned technical proposal, because
And the advantageous effect of the control device whole with the interior machine, details are not described herein.
The fourth aspect of the present invention, it is proposed that a kind of computer equipment including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, processor are used to perform such as the step of any one of above-mentioned technical proposal method
Suddenly.
Computer equipment according to the present invention, comprising processor for performing as in any of the above-described technical solution
The step of control method of machine, thus the computer equipment can realize whole advantageous effects of the control method of the interior machine,
This is repeated no more.
The fifth aspect of the present invention, it is proposed that a kind of computer readable storage medium is stored thereon with computer program, meter
Calculation machine program is realized when being executed by processor such as the step of any one of above-mentioned technical proposal method.
Computer readable storage medium according to the present invention, the computer program stored thereon are realized when being executed by processor
As in any of the above-described technical solution the step of the control method of interior machine, thus the computer readable storage medium can realize this
Whole advantageous effects of the control method of interior machine, details are not described herein.
The additional aspect and advantage of the present invention will become practice apparent or by the present invention in following description section
Recognize.
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
Significantly and it is readily appreciated that, wherein：
Fig. 1 shows the flow diagram of the control method of interior machine according to an embodiment of the invention；
Fig. 2 shows the flow diagrams of the control method of interior machine according to another embodiment of the invention；
Fig. 3 shows the flow diagram of the control method of interior machine according to still a further embodiment；
Fig. 4 shows the flow diagram of the control method of interior machine according to still another embodiment of the invention；
Fig. 5 shows the schematic block diagram of the control device of interior machine according to an embodiment of the invention；
Fig. 6 shows the schematic block diagram of the control device of interior machine according to another embodiment of the invention；
Fig. 7 shows the schematic block diagram of multi-connected air conditioner according to an embodiment of the invention；
Fig. 8 shows the flow diagram of the control method of the interior machine of a specific embodiment according to the present invention；
Fig. 9 shows the schematic diagram of computer equipment according to an embodiment of the invention.
Specific embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
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 implemented using other different from other modes described here, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As shown in Figure 1, the flow diagram of the control method of interior machine according to an embodiment of the invention.Wherein, should
Multi-connected air conditioner includes at least one outer machine and the multiple interior machines being connect at least one outer machine, which includes：
Step 102, when multiple interior machines are shut down, judge whether machine is the interior machine finally shut down in current；
Step 104, when judging result is when being, when receiving the stopping signal that outer machine is sent, controls machine in current
Electric expansion valve is opened to standby aperture.
The control method of interior machine provided by the invention, when multi-line system is shut down, by finding last closing
Interior machine, and when determining outer organ closes, at once open the aperture of the interior machine to standby aperture, and other interior machines having been switched off are then
It keeps current aperture constant, on the one hand can balance the pressure difference of the high and low pressure side of whole system in this way, it is ensured that multi-line system
It can restart, on the other hand on the basis of original master control borad hardware, only need to change software program, without increasing cost,
Air balance noise can be quickly and efficiently eliminated, so as to promote user satisfaction, and fast responding market demand.
As shown in Fig. 2, the flow diagram of the control method of interior machine according to another embodiment of the invention.Wherein,
The multi-connected air conditioner includes at least one outer machine and the multiple interior machines being connect at least one outer machine, which includes：
Step 202, judge whether function need to be zero in current；
Step 204, if zero, start timing, obtain the first timing variable；
Step 206, judge whether to receive the signal that outer machine is shut down；If not shutting down, return to step 204；
Step 208, when judging result is to receive the signal that outer machine shuts down, then judge whether the first timing variable is less than the
One preset time；
Step 210, when judging result is less than the first preset time for the first timing variable, then the current interior machine of judgement is last
The interior machine shut down controls the electric expansion valve of machine in current to open to standby aperture.
In this embodiment, it is failure or off-mode when interior machine reaches set temperature or operating status, i.e., interior function needs
It is zero, starts timing at this time, then judge whether outer machine shuts down, when receiving the signal that outer machine is shut down, then compares the first meter
Whether variations per hour is less than the first preset time, wherein the first preset time is according to once communicating the required time between internal-external machine
And design, if the first timing variable is less than the first preset time, it can determine that machine is the interior of last closing in current
Machine.The offer control method of the present invention is closed by calculating from interior organ to the time for receiving outer machine and being turned off signal, to judge to work as
Whether preceding interior machine is interior machine that last is closed, when determining the shutdown of outer machine, the electric expansion valve of interior machine that will finally close
It is opened at once to standby aperture, and other interior machines having been switched off then keep current aperture constant, need not only increase cost in this way, but also
The air balance noise during electric expansion valve opening of machine in multi-connected machine can be quickly reduced, it is comfortable so as to improve the use of air-conditioning
Property, and it is enable to respond quickly the market demand.
As shown in figure 3, the flow diagram of the control method of interior machine according to still a further embodiment.Wherein,
The multi-connected air conditioner includes at least one outer machine and the multiple interior machines being connect at least one outer machine, which includes：
Step 302, judge whether function need to be zero in current；
Step 304, if zero, start timing, obtain the first timing variable；
Step 306, judge whether to receive the signal that outer machine is shut down；
Step 308, when judging result is when being, starts timing, obtain the second timing variable；
Step 310, judge whether the first timing variable is less than the first preset time；
Step 312, when judging result is less than the first preset time for the first timing variable, then the current interior machine of judgement is last
The interior machine shut down controls the electric expansion valve of machine in current to open to standby aperture；
Step 314, when judge the first timing variable whether be less than the first preset time judging result for more than or equal to then
Machine keeps current aperture, and after the second timing variable reaches the second preset time, open to standby aperture in control is current.
In this embodiment, if to when determining that the time that outer machine is turned off is default more than or equal to first after organ closes in current
Between, then can be determined that current interior machine is not the interior machine that last is closed, and the current aperture of machine holding is constant in control currently at this time,
It is opened again to standby aperture after the second timing variable reaches the second preset time, wherein the second preset time is according to multiple air conditioner
Shortest time for being restarted after mediation machine and design, only need to be by an interior machine come bypass compression in this way when outer machine is shut down
The pressure difference of contracting machine high and low pressure side, without, come the pressure difference of bypass compressor high and low pressure side, and the interior machine is still by all interior machines
The interior machine finally closed can quickly and efficiently eliminate air balance when machine electric expansion valve is opened in multi-connected machine and make an uproar in this way
Sound, while ensure that multi-line system can restart, ensure the reliability service of system.
In any of the above-described embodiment, it is preferable that the value range of the first preset time：15S to 30S；Second it is default when
Between value range：5min to 7min.
In this embodiment, the first preset time was designed according to the time needed for the primary communication of progress between internal-external machine
, preferably its value range in 15S between 30S, but not limited to this；Second preset time is after being shut down according to multi-connected air conditioner
The shortest time of restarting and design, value is generally higher than 1min, preferably its value range in 5min between 7min,
But not limited to this.
As shown in figure 4, the flow diagram of the control method of interior machine according to still another embodiment of the invention.Wherein,
The multi-connected air conditioner includes at least one outer machine and the multiple interior machines being connect at least one outer machine, which includes：
Step 402, judge whether function need to be zero in current；
Step 404, if zero, whether the aperture for judging the electric expansion valve of machine in current has been zero；
Step 406, if the aperture of the electric expansion valve is not zero, aperture is assigned a value of zero, by the first timing variable assignments
It is zero, and starts timing；
Step 408, judge whether to receive the signal that outer machine is shut down；
Step 410, when judging result is when being, judges whether outer function need to be zero；
Step 412, when judging result is no, outer function need to be assigned a value of zero, be zero by the second timing variable assignments, and
Start timing；
Step 414, judge whether the first timing variable is less than the first preset time；
Step 416, when judging result is less than the first preset time for the first timing variable, then the current interior machine of judgement is last
The interior machine shut down controls the electric expansion valve of machine in current to open to standby aperture；
Step 418, when judging whether timing variable is less than the judging result of the first preset time for more than or equal to then controlling
Machine keeps current aperture in current, and after timing variable reaches the second preset time, opens to standby aperture.
In this embodiment, when the energy of current interior machine need to be zero, the aperture of the electric expansion valve by judging the interior machine
Whether it is zero, to determine the time zero of the first timing variable, if specifically, the aperture of the electric expansion valve is not zero, says
The bright interior machine is just closed, and is zero by the first timing variable assignments, to determine time zero at this time by the way that aperture is assigned a value of zero
(also the first timing variable first being reset, in reclocking).Equally, when current interior machine receives the signal that outer machine is shut down,
By judge outer machine can need whether be zero, to determine the time zero of the second timing variable, if specifically, outer machine
It can need to be not zero, illustrate that outer machine is just shut down, at this time by the way that the energy of outer machine need to be assigned a value of zero, be by the second timing variable assignments
Zero, to determine delay time zero (also first resetting the second timing variable, in reclocking).
As shown in figure 5, the schematic block diagram of the control device of interior machine according to an embodiment of the invention.Wherein, this is more
Connection formula air-conditioning includes at least one outer machine and the multiple interior machines being connect at least one outer machine, which includes：
Judging unit 502, for when multiple interior machines are shut down, judging whether machine is the interior machine finally shut down in current；
Control unit 504, for when judging result is when being, when receiving the stopping signal that outer machine is sent, control is most
The electric expansion valve of interior machine shut down afterwards is opened to standby aperture.
The control device 500 of interior machine provided by the invention, when multi-line system is shut down, by finding last closing
Interior machine, and when determining outer organ closes, the aperture of the interior machine is opened to standby aperture at once, and other interior machines having been switched off
It then keeps current aperture constant, on the one hand can balance the pressure difference of the high and low pressure side of whole system in this way, it is ensured that multi-connected machine system
System can restart, and on the other hand on the basis of original master control borad hardware, only software program need to be changed, without being added to
This, it is possible to air balance noise is quickly and efficiently eliminated, so as to promote user satisfaction, and fast responding market demand.
In the above embodiment, it is preferable that judging unit 502, is specifically used for：Judge whether function need to be zero in current,
If zero, start timing, obtain the first timing variable, then judge whether to receive the signal that outer machine is shut down；When judging result is
When being, judge whether the first timing variable is less than the first preset time；When the first timing variable is less than the first preset time, then
Machine is the interior machine finally shut down in judgement is current.
In this embodiment, it is failure or off-mode when interior machine reaches set temperature or operating status, i.e., interior function needs
It is zero, starts timing at this time, then judge whether outer machine shuts down, when receiving the signal that outer machine is shut down, then compares the first meter
Whether variations per hour is less than the first preset time, wherein the first preset time is according to once communicating the required time between internal-external machine
And design, if the first timing variable is less than the first preset time, it can determine that machine is the interior of last closing in current
Machine.The offer control method of the present invention is closed by calculating from interior organ to the time for receiving outer machine and being turned off signal, to judge to work as
Whether preceding interior machine is interior machine that last is closed, when determining the shutdown of outer machine, the electric expansion valve of interior machine that will finally close
It is opened at once to standby aperture, and other interior machines having been switched off then keep current aperture constant, need not only increase cost in this way, but also
The air balance noise during electric expansion valve opening of machine in multi-connected machine can be quickly reduced, it is comfortable so as to improve the use of air-conditioning
Property, and it is enable to respond quickly the market demand.
In any of the above-described embodiment, it is preferable that when the judging result for judging whether to receive the signal that outer machine is shut down is
When being, control unit 504 is additionally operable to：Start timing, obtain the second timing variable；When judging whether the first timing variable is less than the
The judging result of one preset time is more than or equal to then the current interior machine of control keeps current aperture, and reach in the second timing variable
To after the second preset time, open to standby aperture.
In this embodiment, if to when determining that the time that outer machine is turned off is default more than or equal to first after organ closes in current
Between, wherein the first preset time is designed according to the required time is once communicated between internal-external machine, then can be determined that in current
Machine is not the interior machine that last is closed, and the current interior machine of control at this time keeps current aperture constant, and second is reached in timing variable
Opened again after preset time to standby aperture, wherein the second preset time be restarted after being shut down according to multi-connected air conditioner it is most short
Time and design.By the control method of the present invention, it can quickly and efficiently eliminate machine electric expansion valve in multi-connected machine and open
When air balance noise, while ensure that multi-line system can restart, ensure the reliability service of system.
In any of the above-described embodiment, it is preferable that the value range of the first preset time：15S to 30S；Second it is default when
Between value range：5min to 7min.
In this embodiment, the first preset time was designed according to the time needed for the primary communication of progress between internal-external machine
, preferably its value range in 15S between 30S, but not limited to this；Second preset time is after being shut down according to multi-connected air conditioner
The shortest time of restarting and design, value is generally higher than 1min, preferably its value range in 5min between 7min,
But not limited to this.
As shown in fig. 6, the schematic block diagram of the control device of interior machine according to another embodiment of the invention.Wherein, should
Multi-connected air conditioner includes at least one outer machine and the multiple interior machines being connect at least one outer machine, which includes：
Judging unit 602, for when multiple interior machines are shut down, judging whether machine is the interior machine finally shut down in current；
Wherein, judging unit 602 is specifically used for：Judge whether function need to be zero in current, if zero, start timing, obtain
To the first timing variable, then judge whether to receive the signal that outer machine is shut down；When judging result is when being, judges that the first timing becomes
Whether amount is less than the first preset time；When the first timing variable is less than the first preset time, then the current interior machine of judgement is last
The interior machine shut down；
Control unit 604, for when judging result is when being, when receiving the stopping signal that outer machine is sent, control is most
The electric expansion valve of interior machine shut down afterwards is opened to standby aperture；
Wherein, when the judging result for judging whether to receive the signal that outer machine is shut down is when being, control unit 604 is also used
In：Start timing, obtain the second timing variable；When judge the first timing variable whether be less than the first preset time judging result
To be more than or equal to, then control it is current in machine keep current aperture, and after the second timing variable reaches the second preset time, open to
Standby aperture；
The control device 600 further includes：Timing unit 606, for judging whether function need to be zero in current judgement knot
When fruit is zero, then judge whether the aperture of the electric expansion valve of machine in current has been zero, if not zero, aperture is assigned a value of
Zero, and be zero by the first timing variable assignments；And timing unit 606, it is additionally operable to judge whether to receive what outer machine was shut down
The judging result of signal for be when, then judge outer machine can need whether be zero, if not zero, the energy of outer machine need to be assigned a value of
Zero, and be zero by the second timing variable assignments.
In this embodiment, when the energy of current interior machine need to be zero, the aperture of the electric expansion valve by judging the interior machine
Whether it is zero, to determine the time zero of the first timing variable, if specifically, the aperture of the electric expansion valve is not zero, says
The bright interior machine is just closed, and is zero by the first timing variable assignments, to determine time zero at this time by the way that aperture is assigned a value of zero
(also the first timing variable first being reset, in reclocking).Equally, when current interior machine receives the signal that outer machine is shut down,
By judge outer machine can need whether be zero, to determine the time zero of the second timing variable, if specifically, outer machine
It can need to be not zero, illustrate that outer machine is just shut down, at this time by the way that the energy of outer machine need to be assigned a value of zero, be by the second timing variable assignments
Zero, to determine delay time zero (also first resetting the second timing variable, in reclocking).
Third aspect present invention embodiment additionally provides a kind of interior machine, including：Such as the interior machine of any one of above-described embodiment
Control device.
As shown in fig. 7, the schematic block diagram of multi-connected air conditioner according to an embodiment of the invention.Wherein, the multiple
Air-conditioning 700, the multiple interior machines being connect including at least one outer machine and at least one outer machine, further includes：In above-described embodiment
The control device 702 of the interior machine of any one.
Multi-connected air conditioner 700 provided by the invention, using the control device of the interior machine of such as any one of above-described embodiment
702, thus effective effect of 702 whole of control device with the interior machine, details are not described herein.
Specific embodiment：A kind of adjusting method of electric expansion valve when air-conditioning is shut down is provided, including following steps,
As shown in Figure 8：
Step 802, judge whether indoor function need to be 0；
Step 804, judge that the aperture of the electric expansion valve of the indoor unit whether for 0, is not 0, then carries out step
806, it is 0, then carries out step 808；
Step 806, electric expansion valve setting aperture PMVSet is assigned a value of 0P, and indoor function needs InDoorPower to be assigned a value of
0, timing variable PMVTime is assigned a value of 0；
Step 808, judge whether outdoor unit (compressor) closes, if closing, carry out step 810, if being not turned off, timing
Add up, then return to step 806；
Step 810, judge that outdoor function needs OutDoorPower to be not 0, then carry out step 812, be whether for 0
0, then carry out step 814；
Step 812, outdoor function needs OutDoorPower to be assigned a value of 0, and timing variable PMVDelayTime is assigned a value of 0；
Step 814, judge timing variable PMVTime whether be less than T, if being less than, carry out step 818, if not less than into
Row step 816；
Step 816, judge whether timing variable PMVDelayTime is more than presetting delay time value Tdelay, if greatly
In, then step 818 is carried out, if being not more than, return to step 802；
Step 818, electric expansion valve sets aperture PMVSet as standby aperture.
Wherein, standby aperture preferably may be configured as 300P；Time T is set according to a communication time between internal-external machine
Meter, by taking 25S as an example；1min≤Tdelay<The shortest time that the outer machine of multi-connected machine restarts after shutting down.
In this embodiment, it by the communication between interior machine and outer machine, calculates to close to receiving outer machine from interior organ and is turned off
The time of signal to determine whether the interior machine of last closing, on the basis of original master control borad, only need to change program,
The effect of noise-decreasing is just can reach, improves the comfort of multi-connected air conditioner, so as to fast responding market demand.
The present invention another specific embodiment in, also can by the communication between interior machine and interior machine, know whether for
Last interior machine closed.
As shown in figure 9, the schematic diagram of computer equipment according to an embodiment of the invention.The wherein computer equipment
1, including memory 12, processor 14 and the computer program that can be run on memory 12 and on processor 14 is stored in, is located
Device 14 is managed for performing such as the step of any one of above-described embodiment method.
Computer equipment 1 according to the present invention, comprising processor 14 for performing as in above-mentioned any embodiment
The step of control method of interior machine, thus the computer equipment 1 can realize whole advantageous effects of the control method of the interior machine,
Details are not described herein.
The fifth aspect of the present invention embodiment, it is proposed that a kind of computer readable storage medium is stored thereon with computer
Program is realized when computer program is executed by processor such as the step of any one of above-described embodiment method.
Computer readable storage medium according to the present invention, the computer program stored thereon are realized when being executed by processor
As in above-mentioned any embodiment the step of the control method of interior machine, thus the computer readable storage medium can realize that this is interior
Whole advantageous effects of the control method of machine, details are not described herein.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of control method of interior machine, which is characterized in that for multi-connected air conditioner, the multi-connected air conditioner includes at least one
Outer machine and the multiple interior machines being connect at least one outer machine, the control method include：
When the multiple interior machine is shut down, judge whether machine is the interior machine finally shut down in current；
When judging result is when being, when receiving the stopping signal that the outer machine is sent, controls the electronics of the current interior machine
Expansion valve is opened to standby aperture.
2. control method according to claim 1, which is characterized in that described to judge whether machine finally shuts down in current
The step of interior machine, specifically includes：
Judge whether the current interior function need to be zero, if zero, start timing, obtain the first timing variable, then judge whether
Receive the signal that outer machine is shut down；
When judging result is when being, judges whether the first timing variable is less than the first preset time；
When the first timing variable is less than first preset time, then judge that the current interior machine is the last shutdown
Interior machine.
3. control method according to claim 2, which is characterized in that when judging whether to receive signal that outer machine shuts down
Judging result is when being, the control method further includes：
Start timing, obtain the second timing variable；
When judge the first timing variable whether be less than the first preset time judging result be more than or equal to, then control described in
Machine keeps current aperture in current, and after the second timing variable reaches the second preset time, opens to the standby aperture.
4. control method according to claim 3, which is characterized in that
The value range of first preset time：15S to 30S；
The value range of second preset time：5min to 7min.
5. control method according to any one of claim 2 to 4, which is characterized in that the control method further includes：
Judge it is described it is current in function need to when whether the judging result for being zero is zero, then judge it is described it is current in machine electronic expansion
Whether the aperture of valve has been zero, if not zero, the aperture is assigned a value of zero, and be by the first timing variable assignments
Zero；And
When it is to be to judge whether the judging result for receiving the signal that outer machine is shut down, then whether needing for the outer machine judged
Through being zero, if not zero, the energy of the outer machine need to be assigned a value of zero, and be zero by the second timing variable assignments.
6. a kind of control device of interior machine, which is characterized in that for multi-connected air conditioner, the multi-connected air conditioner includes at least one
Outer machine and the multiple interior machines being connect at least one outer machine, the control device include：
Judging unit, for when the multiple interior machine is shut down, judging whether machine is the interior machine finally shut down in current；
Control unit, for when judging result is when being, when receiving the stopping signal that the outer machine is sent, described in control most
The electric expansion valve of interior machine shut down afterwards is opened to standby aperture.
7. control device according to claim 6, which is characterized in that the judging unit is specifically used for：
Judge whether the current interior function need to be zero, if zero, start timing, obtain the first timing variable, then judge whether
Receive the signal that outer machine is shut down；
When judging result is when being, judges whether the first timing variable is less than the first preset time；
When the first timing variable is less than first preset time, then judge that the current interior machine is the last shutdown
Interior machine.
8. control device according to claim 7, which is characterized in that when judging whether to receive signal that outer machine shuts down
Judging result is when being, described control unit is additionally operable to：Start timing, obtain the second timing variable；
When judge the first timing variable whether be less than the first preset time judging result be more than or equal to, then control described in
Machine keeps current aperture in current, and after the second timing variable reaches the second preset time, opens to the standby aperture.
9. control device according to claim 8, which is characterized in that
The value range of first preset time：15S to 30S；
The value range of second preset time：5min to 7min.
10. the control device according to any one of claim 7 to 9, which is characterized in that the control device further includes：
Timing unit, for judge it is described it is current in function need to whether the judging result for being zero is zero when, then judge described current
Whether the aperture of the electric expansion valve of interior machine has been zero, if not zero, the aperture is assigned a value of zero, and described first is counted
Variations per hour is assigned a value of zero；And
The timing unit is additionally operable to when it is to be to judge whether the judging result for receiving the signal that outer machine is shut down, then judges
Whether needing for the outer machine be zero, if not zero, the energy of the outer machine need to be assigned a value of zero, and by second timing
Variable assignments is zero.
11. a kind of interior machine, which is characterized in that including：The control device of interior machine as described in any one of claim 6 to 10.
12. a kind of multi-connected air conditioner, which is characterized in that including at least one outer machine, further include and connect at least one outer machine
The multiple interior machines as claimed in claim 11 or the control device of the interior machine as described in any one of claim 6 to 10 connect.
13. a kind of computer equipment, including memory, processor and it is stored on the memory and can be on the processor
The computer program of operation, which is characterized in that the processor is for execution such as any one of claim 1 to 5 the method
The step of.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
It is realized when being executed by processor such as the step of any one of claim 1 to 5 the method.
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| CN201711298895.1A CN108195034B (en) | 2017-12-08 | 2017-12-08 | Control method and device of inner unit, inner unit and multi-connected air conditioner |
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