CN108180540A - A kind of control method and device of air-conditioning system - Google Patents
A kind of control method and device of air-conditioning system Download PDFInfo
- Publication number
- CN108180540A CN108180540A CN201711394148.8A CN201711394148A CN108180540A CN 108180540 A CN108180540 A CN 108180540A CN 201711394148 A CN201711394148 A CN 201711394148A CN 108180540 A CN108180540 A CN 108180540A
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- China
- Prior art keywords
- compressor
- conditioning system
- air
- outdoor unit
- indoor unit
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Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
Abstract
The invention discloses a kind of control method and device of air-conditioning system, which includes:When the indoor unit and the outdoor unit communicating interrupt, the pressure of inspiration(Pi) of compressor is acquired;The compressor is controlled according to the pressure of inspiration(Pi) of acquisition.The present invention provides emergency flight control logic when a kind of indoor unit, outdoor unit communicating interrupt, can indoors machine, outdoor unit communicating interrupt when ensure that air-conditioning system is not shut down.
Description
Technical field
The present invention relates to air conditioner technical field, it particularly relates to a kind of control method and device of air-conditioning system.
Background technology
Data center machine room air-conditioning is different from normal domestic use and business air conditioner, and the operation of data center machine room air-conditioning whole year stops
Loss is huge caused by machine.To ensure the operation of data center machine room air-conditioning whole year, shutdown is avoided to cause damages, in control technology side
Face will avoid every machine halt trouble.
A kind of control method of the prior art is multi-connected machine decentralized autonomous control technology, in decentralized autonomous control system
In, all parts realize self-discipline control according to the status information that the communication of itself acquisition condition and remaining part is sent.
1991, TDC (the Time Delay Control) control methods of Panasonic Corporation based on multi-online air-conditioning system proposed
Model reference fuzzy adaptive control method, employs the mutually independent control method of indoor unit and outdoor unit, with compressor frequency control
Suck and exhaust pressure processed controls return air temperature and the evaporator outlet degree of superheat with indoor electronic expansion valve opening.
The compressor of normal domestic use and business air conditioner is mainly controlled according to being indoor return air temperature, is set when return air temperature is higher than
During definite value, compressor raising frequency, when return air temperature is near or below setting value, compressor frequency reducing or shutdown, when indoor unit and outdoor unit leads to
When news are interrupted, compressor loses control foundation, compressor emergency shutdown.
But for data center machine room air-conditioning, being shut down caused by communicating terminal can bring about great losses, therefore need one
Kind control method is shut down to avoid caused by indoor unit and outdoor unit communicating interrupt.
Invention content
For the above problem in the relevant technologies, the present invention proposes a kind of control method and device of air-conditioning system, can
A kind of emergency flight control logic when indoor unit, outdoor unit communicating interrupt is provided, can indoors machine, outdoor unit communicating interrupt when ensure
Air-conditioning system is not shut down.
The technical proposal of the invention is realized in this way:
According to an aspect of the invention, there is provided a kind of control method of air-conditioning system, air-conditioning system includes indoor unit
And outdoor unit, control method include:
When indoor unit and outdoor unit communicating interrupt, the pressure of inspiration(Pi) of compressor is acquired;
Compressor is controlled according to the pressure of inspiration(Pi) of acquisition.
In one embodiment, it further includes:When indoor unit and outdoor unit communicating interrupt, control indoor fan and outdoor wind
Machine operates.
In one embodiment, it after compressor operation is controlled according to the pressure of inspiration(Pi) of acquisition, further includes:If compressor
It shuts down, then indoor fan is controlled to operate.
In one embodiment, it further includes:When indoor unit and normal outdoor unit communication, the return air temperature of indoor unit is acquired
Degree;Compressor is controlled according to the return air temperature of acquisition.
In one embodiment, it further includes:When indoor unit and outdoor unit communicating interrupt, alarm.
According to another aspect of the present invention, a kind of control device of air-conditioning system is provided, air-conditioning system includes indoor unit
And outdoor unit, control device include:Inspiratory pressure sensor, for when the indoor unit and the outdoor unit communicating interrupt,
Acquire the pressure of inspiration(Pi) of compressor;Compressor control module is connected to the inspiratory pressure sensor, for the institute according to acquisition
Pressure of inspiration(Pi) is stated to control the compressor.
In one embodiment, control device further includes:Fan control module, for working as the indoor unit and the outdoor
During machine communicating interrupt, the operating of control indoor fan and outdoor fan operating.
In one embodiment, control device further includes:Fan control module if the compressor is shut down, is controlled
Indoor fan operating processed.
In one embodiment, control device further includes:Return air temperature sensor, for working as the indoor unit and the room
When outer machine communicates normal, the return air temperature of indoor unit is acquired;Wherein, the compressor control module is additionally operable to according to the return air
The return air temperature of temperature sensor acquisition controls the compressor.
In one embodiment, control device further includes:Warning device leads to for working as the indoor unit and the outdoor unit
News are alarmed when interrupting.
It, can machine, outdoor indoors the present invention provides emergency flight control logic when a kind of indoor unit, outdoor unit communicating interrupt
Ensure that air-conditioning system is not shut down during machine communicating interrupt.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow chart of the control method of air-conditioning system according to embodiments of the present invention;
Schematic diagram when Fig. 2 is air-conditioning system normal communication according to embodiments of the present invention;
Schematic diagram when Fig. 3 is air-conditioning system communicating interrupt according to embodiments of the present invention;
Alarm schematic diagram when Fig. 4 is air-conditioning system communicating interrupt according to embodiments of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Range.
As needed, specific embodiments of the present invention are disclosed in present specification;It is, however, to be understood that it is disclosed
Embodiment be only that can pass through the example of the present invention that a variety of, alternative form is implemented.Attached drawing is not necessarily to scale;It can be with
Some features are expanded or shunk to show the details of particular elements.Same or similar reference numeral may indicate that identical parameters and portion
Part or modifications and substitutions object similar therewith.In the following description, multiple behaviour are described in multiple embodiments of conception
Make parameter and component.These specific parameters and component only are not meant to limit as example in the present specification.Therefore,
Specific structure and function details disclosed in this specification should not be construed limitation, and be only used for instructing skill in the art
Art personnel implement the representative basis of the present invention in a variety of forms.
As shown in Figure 1, the control method of air-conditioning system according to embodiments of the present invention includes the following steps:
S112 when indoor unit and outdoor unit communicating interrupt, acquires the pressure of inspiration(Pi) of compressor;It should be noted that room
Interior machine and outdoor unit communicating interrupt refer to that exception occur in the indoor unit of air-conditioning system and outdoor unit normal data transfer, and outdoor unit is adopted
For collection less than indoor signal, indoor unit does not acquire outside signal yet.
S114 controls compressor according to the pressure of inspiration(Pi) of acquisition.
The above-mentioned technical proposal of the present invention, provides emergency flight control logic when a kind of indoor unit, outdoor unit communicating interrupt,
Can indoors machine, outdoor unit communicating interrupt when ensure air-conditioning system do not shut down.The control method can be applied to data center machine room
Air-conditioning so as to ensure that data center machine room air-conditioning whole year runs, avoids loss caused by shutting down.
In some embodiments, it further includes:When indoor unit and normal outdoor unit communication, the return air temperature of indoor unit is acquired
Degree;Compressor is controlled according to the return air temperature of acquisition.
Specifically, the present invention will be described with reference to shown in Fig. 2 and Fig. 3.Fig. 2 and air-conditioning system shown in Fig. 3 include room
Interior machine 10 and outdoor unit 20, indoor unit 10 include evaporator 14, indoor fan, indoor machine controller 12, return air temperature sensor
11 and electric expansion valve 15;Outdoor unit 20 includes compressor 21, frequency converter 25, condenser 24, outdoor fan 23, pressure of inspiration(Pi) and passes
Sensor 26.As shown in Fig. 2, under normal circumstances, indoor unit 20 can by return air temperature in indoor 12 collection room of machine controller, and by
The connection 30 of indoor unit and outdoor unit passes to outdoor controller 22, is judged by outdoor unit 20, determines compressor 21
Should raising frequency or frequency reducing, compressor frequency signal is passed into frequency converter 25, then control 21 rotating speed of compressor by frequency converter 25, it is real
Existing indoor temperature is adjusted.When machine 10 and outdoor unit 20 communicate normal indoors, the main purpose that compressor is adjusted is to realize interior
The accurate control of temperature.As shown in figure 3, when 20 communicating interrupt of indoor unit 10 and outdoor unit, outdoor controller 22 can not be adopted
Collect indoor return air temperature signal, whether can not judge indoor return air temperature higher than setting value, so when outdoor controller 22
Can compressor control foundation be used as using pressure of inspiration(Pi) by inspiratory pressure sensor 26, suction pressure of compressor control is being closed
In the range of reason.Indoors, during outer machine communicating interrupt, the top priority of compressor control be ensure unit do not shut down and compressor not
Damage.
In some embodiments, it further includes:When indoor unit and outdoor unit communicating interrupt, alarm.Specifically, as schemed
Shown in 4, when indoor unit and outdoor unit communicating interrupt, air-conditioning system can immediately be alerted by outdoor unit with notify maintenance personal into
Row maintenance, alarm name is " AL*11Indoor Unit Offline " in Fig. 4.
In one embodiment, it further includes:When indoor unit and outdoor unit communicating interrupt, control indoor fan and outdoor wind
Machine operates.As shown in figure 3, indoor fan 13 is controlled by indoor unit 10, it is indoor when 20 communicating interrupt of indoor unit 10 and outdoor unit
Wind turbine 13 runs well, and outdoor unit 23 also runs well to provide refrigeration.
In one embodiment, after step sl 14, it further includes:If compressor is shut down, indoor fan is controlled
Operating.As shown in figure 3, if the compressor 21 of outdoor unit 20 occurs self-protection and shuts down, indoor fan 23 keeps former rotating speed not
Become, continue heat sinking function, ensure the circulation of machine room air, to slow down indoor temperature rise speed.
According to an embodiment of the invention, a kind of control device of air-conditioning system is additionally provided, air-conditioning system includes indoor unit
And outdoor unit, control device include:
Inspiratory pressure sensor, for when indoor unit and outdoor unit communicating interrupt, acquiring the pressure of inspiration(Pi) of compressor;
Compressor control module, is connected to inspiratory pressure sensor, for the pressure of inspiration(Pi) according to acquisition to compressor into
Row control.
In one embodiment, control device may also include:Fan control module, for working as indoor unit and outdoor unit communication
During interruption, the operating of control indoor fan and outdoor fan operating.
In one embodiment, control device may also include:Fan control module if compressor is shut down, controls
Indoor fan operates.
In one embodiment, control device may also include:Return air temperature sensor leads to for working as indoor unit and outdoor unit
When interrogating normal, the return air temperature of indoor unit is acquired;Wherein, compressor control module is additionally operable to be acquired according to return air temperature sensor
Return air temperature compressor is controlled.
In one embodiment, control device may also include:Warning device, for working as indoor unit and outdoor unit communicating interrupt
Shi Jinhang alarms.
In conclusion by means of above-mentioned technical proposal of the invention, it can be achieved that indoor unit, outdoor unit are in normal communication situation
Lower accurate control indoor temperature;Ensure that air-conditioning system does not shut down and ensures compression in the case of machine, outdoor unit communicating interrupt indoors
Machine does not damage;And indoors machine, outdoor unit communicating interrupt when, outdoor unit alarm, maintenance personal is notified to be overhauled.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of control method of air-conditioning system, which is characterized in that the air-conditioning system includes indoor unit and outdoor unit, the control
Method processed includes:
When the indoor unit and the outdoor unit communicating interrupt, the pressure of inspiration(Pi) of compressor is acquired;
The compressor is controlled according to the pressure of inspiration(Pi) of acquisition.
2. the control method of air-conditioning system according to claim 1, which is characterized in that further include:
When the indoor unit and the outdoor unit communicating interrupt, indoor fan and outdoor fan operating are controlled.
3. the control method of air-conditioning system according to claim 1, which is characterized in that in the pressure of inspiration(Pi) according to acquisition
After power controls the compressor operation, further include:
If the compressor is shut down, indoor fan is controlled to operate.
4. the control method of air-conditioning system according to claim 1, which is characterized in that further include:
When the indoor unit and normal outdoor unit communication, the return air temperature of indoor unit is acquired;
The compressor is controlled according to the return air temperature of acquisition.
5. the control method of air-conditioning system according to claim 1, which is characterized in that further include:
When the indoor unit and the outdoor unit communicating interrupt, alarm.
6. a kind of control device of air-conditioning system, which is characterized in that the air-conditioning system includes indoor unit and outdoor unit, the control
Device processed includes:
Inspiratory pressure sensor, for when the indoor unit and the outdoor unit communicating interrupt, acquiring the pressure of inspiration(Pi) of compressor
Power;
Compressor control module is connected to the inspiratory pressure sensor, for according to the pressure of inspiration(Pi) of acquisition to described
Compressor is controlled.
7. the control device of air-conditioning system according to claim 6, which is characterized in that further include:
Fan control module, for when the indoor unit and the outdoor unit communicating interrupt, the operating of control indoor fan and room
Outer wind turbine operating.
8. the control device of air-conditioning system according to claim 6, which is characterized in that further include:
Fan control module if the compressor is shut down, controls indoor fan to operate.
9. the control device of air-conditioning system according to claim 6, which is characterized in that further include:
Return air temperature sensor, for when the indoor unit and normal outdoor unit communication, acquiring the return air temperature of indoor unit
Degree;
Wherein, the return air temperature that the compressor control module is additionally operable to be acquired according to the return air temperature sensor is to institute
Compressor is stated to be controlled.
10. the control device of air-conditioning system according to claim 1, which is characterized in that further include:
Warning device, for alarming when the indoor unit and the outdoor unit communicating interrupt.
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CN201711394148.8A CN108180540A (en) | 2017-12-21 | 2017-12-21 | A kind of control method and device of air-conditioning system |
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CN201711394148.8A CN108180540A (en) | 2017-12-21 | 2017-12-21 | A kind of control method and device of air-conditioning system |
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Cited By (3)
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CN110553366A (en) * | 2019-09-20 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Self-adaptive control method and device of air conditioner and air conditioner |
CN111174475A (en) * | 2020-01-09 | 2020-05-19 | 珠海格力电器股份有限公司 | Condensing unit dual-system closed-loop control method and device and condensing unit |
CN113108420A (en) * | 2021-03-30 | 2021-07-13 | 深圳市共济科技股份有限公司 | Control method of air conditioner and air conditioning system |
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CN105444363A (en) * | 2015-12-31 | 2016-03-30 | 深圳市共济科技有限公司 | Control method for communication redundant faults of air-conditioning system and air-conditioning system |
CN105650827A (en) * | 2016-03-02 | 2016-06-08 | 珠海格力电器股份有限公司 | Self-adaption failure operation control method and system and air conditioner unit |
CN105674472A (en) * | 2014-11-19 | 2016-06-15 | 艾默生网络能源有限公司 | Refrigeration control method and device for machine room |
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JP2009228924A (en) * | 2008-03-19 | 2009-10-08 | Mitsubishi Electric Corp | Air conditioner |
CN105674472A (en) * | 2014-11-19 | 2016-06-15 | 艾默生网络能源有限公司 | Refrigeration control method and device for machine room |
CN104613609A (en) * | 2014-12-22 | 2015-05-13 | 曙光信息产业(北京)有限公司 | Air conditioning system |
CN105444363A (en) * | 2015-12-31 | 2016-03-30 | 深圳市共济科技有限公司 | Control method for communication redundant faults of air-conditioning system and air-conditioning system |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110553366A (en) * | 2019-09-20 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Self-adaptive control method and device of air conditioner and air conditioner |
CN111174475A (en) * | 2020-01-09 | 2020-05-19 | 珠海格力电器股份有限公司 | Condensing unit dual-system closed-loop control method and device and condensing unit |
CN113108420A (en) * | 2021-03-30 | 2021-07-13 | 深圳市共济科技股份有限公司 | Control method of air conditioner and air conditioning system |
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Address after: 100193 building 36, Zhongguancun Software Park, 8 North East West Road, Haidian District, Beijing. Applicant after: Dawning data infrastructure innovation technology (Beijing) Co.,Ltd. Address before: 100193 room 528, 5th floor, building 36, courtyard 8, Dongbeiwang West Road, Haidian District, Beijing Applicant before: SUGON ENERGY-SAVING TECHNOLOGY (BEIJING) Co.,Ltd. |
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Application publication date: 20180619 |