CN107576011A - Air-conditioning emergency control method and device - Google Patents
Air-conditioning emergency control method and device Download PDFInfo
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- CN107576011A CN107576011A CN201710785987.6A CN201710785987A CN107576011A CN 107576011 A CN107576011 A CN 107576011A CN 201710785987 A CN201710785987 A CN 201710785987A CN 107576011 A CN107576011 A CN 107576011A
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Abstract
This application provides a kind of air-conditioning emergency control method and device, wherein, this method includes：Whether detection air-conditioning there is preset failure, and preset failure includes：Return air probe failure, exhaust temperature-sensitive bag failure, evaporator outlet pipe temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure；In the case where preset failure occurs in air-conditioning, obtain the history log of air-conditioning, history log be air-conditioning in the case of normal work, according to preset rules generation；According to preset failure, history log, it is determined that corresponding preset strategy；And according to preset strategy, control operation of air conditioner.This method is by case of a failure, obtaining the history log generated during air-conditioning normal work；And according to history log and preset failure, corresponding preset strategy is automatically determined to carry out emergency flight control to air-conditioning, so as to solve the technical problem that can not carry out effectively controlling accordingly to air-conditioning automatically, exactly in the case of failure present in existing method.
Description
Technical field
The present invention relates to air conditioner controlling technology field, in particular to a kind of air-conditioning emergency control method and device.
Background technology
Part air-conditioning in air-conditioning, for example, air conditioner in machine room, main service object be mostly computer, data processor,
The electronic equipments such as programme-controlled exchange.For above-mentioned cited service object, this kind of air-conditioning is once broken down, generation is shut down,
Computer room can not be freezed, temperature in computer room can be caused to raise, the electronics such as computer, processor, interchanger are in turn resulted in and set
Standby machine of delaying, or even above-mentioned electronic equipment is caused to damage.Therefore, for above-mentioned air-conditioning, it is desirable to relatively can be higher.Generally
Above-mentioned air-conditioning is asked to take some emergency measures in time when breaking down, so as to promptly be freezed to computer room.
At present, in the case of in order to be broken down in air-conditioning, emergency flight control is carried out to air-conditioning in time, it will usually in air-conditioning
One emergency button of upper setting.Occur in air-conditioning it is abnormal, can not in the case of normal work, staff can utilize it is above-mentioned should
Anxious switch, emergent control is carried out to air-conditioning.But the above method is when it is implemented, because method itself is relatively simple, Wu Fagen
Accurately control is carried out targetedly according to specific failure situation, ambient conditions；Meanwhile the implementation of the above method, it is also necessary to people
Participation, i.e., can not automatically carry out emergency flight control, user experience is poor.In summary, existing method is when it is implemented, past
Toward the technical problem that when air-conditioning failure be present, can not be accordingly controlled air-conditioning automatically, exactly.
For how to solve above-mentioned technical problem present in existing method, effective settling mode is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of air-conditioning emergency control method and device, with solve present in existing method
In the case that air-conditioning breaks down, the technical problem that can not accordingly be controlled air-conditioning automatically, exactly.
The application embodiment provides a kind of air-conditioning emergency control method, including：Whether detection air-conditioning there is default event
Barrier, the preset failure include at least one of：Return air probe failure, exhaust temperature-sensitive bag failure, evaporator outlet pipe temperature-sensitive bag
Failure, evaporator inlet pipe temperature-sensitive bag failure；In the case where the preset failure occurs in the air-conditioning, going through for the air-conditioning is obtained
History log, wherein, the history log be air-conditioning in the case of normal work, according to preset rules generation；
According to the preset failure, the history log, it is determined that corresponding preset strategy；And according to the preset strategy, control
The operation of air conditioner.
In one embodiment, the history log includes at least one of：In multiple preset time periods
The exhaust temperature in electronic expansion valve opening data, multiple preset time periods in the dutycycle of compressor, multiple preset time periods
Degrees of data, wherein, the preset time period is 4 hours.
In one embodiment, the electronic expansion valve opening data include at least one of：Electric expansion valve
Initial opening, the maximum opening of electric expansion valve, the minimum aperture of electric expansion valve, the average aperture of electric expansion valve；It is described
Exhaust temperature data includes：Maximum exhaust temperature, and/or average exhaust.
In one embodiment, in the case where the preset failure is return air probe failure, according to the default event
Barrier, the history log, it is determined that corresponding preset strategy, including：According to the history log of the air-conditioning, it is determined that working as
Preceding compressor dutycycle；The current compressor dutycycle and predetermined threshold value are compared, obtain the first comparative result；
According to first comparative result, it is determined that corresponding preset strategy.
In one embodiment, in the case where the preset failure is exhaust temperature-sensitive bag failure, according to described default
Failure, the history log, it is determined that corresponding preset strategy, including：First duration is defined as into compressor continuously to run
Time, the second duration is defined as the compressor off-air time；Institute will be controlled according to first duration, second duration
The operation of compressor is stated, as the preset strategy.
In one embodiment, described first when a length of 30 minutes, a length of 6 minutes when described second.
In one embodiment, it is evaporator outlet pipe temperature-sensitive bag failure, and/or evaporator inlet pipe in the preset failure
In the case of temperature-sensitive bag failure, according to the preset failure, the history log, it is determined that corresponding preset strategy, including：
Obtain current exhaust gas temperature；According to the history log, when the initial opening of the electric expansion valve is defined as into first
Between section first operation aperture；The current exhaust gas temperature and the average exhaust are compared, second is obtained and compares
As a result；According to second comparative result, adjustment the first operation aperture, and the first operation aperture after adjustment is defined as
Second operation aperture of second time period；Will be swollen according to the described first operation aperture control electronics in the first time period
Swollen valve；In the second time period, according to the described second operation aperture control electric expansion valve, as the preset strategy.
In one embodiment, aperture is run according to second comparative result, adjustment described first, including：Institute
The difference of current exhaust gas temperature and the average exhaust is stated more than in the case of first threshold, increase first operation is opened
Degree；In the case where the difference of the current exhaust gas temperature and the average exhaust is less than Second Threshold, reduce described the
One operation aperture；It is less than or equal to first threshold in the difference of the current exhaust gas temperature and the average exhaust, and is more than
In the case of Second Threshold, keep the first operation aperture constant.
In one embodiment, it is to be vented temperature-sensitive bag failure in the preset failure, and evaporator outlet pipe temperature-sensitive bag
In the case of at least one of failure and evaporator inlet pipe temperature-sensitive bag failure, according to the preset failure, the history run
Record, it is determined that corresponding preset strategy, including：According to the history log, by the initial opening of the electric expansion valve
It is defined as the first operation aperture of first time period, the average aperture of the electric expansion valve is defined as the of second time period
Two operation apertures；First duration is defined as compressor continuous operating time, the second duration is defined as into compressor is stopped
Time；Will be in the first time period, according to the described first operation aperture control electric expansion valve；In the second time period
It is interior, according to the described second operation aperture control electric expansion valve；The pressure is controlled according to first duration, second duration
The operation of contracting machine, as the preset strategy.
In one embodiment, in the case where communication failure occurs in the air-conditioning, methods described also includes：According to pre-
If order parameter, operation of air conditioner is controlled.
Present invention also provides a kind of air-conditioning emergency control apparatus, including：Detection module, for detecting whether air-conditioning occurs
Preset failure, the preset failure include at least one of：Return air probe failure, exhaust temperature-sensitive bag failure, evaporator outlet pipe
Temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure；Acquisition module, for occurring the situation of the preset failure in the air-conditioning
Under, obtain the history log of the air-conditioning, wherein, the history log be air-conditioning in the case of normal work,
According to preset rules generation；Control module, for according to the preset failure, the history log, it is determined that corresponding
Preset strategy；And according to the preset strategy, control the operation of air conditioner.
In the above-described embodiments, in the case of by being broken down in air-conditioning, obtain air-conditioning normal work when generate go through
History log；And according to history log and specific preset failure, corresponding preset strategy is automatically determined, so as to basis
Preset strategy, can not be certainly in the case of failure present in existing method so as to solve to emergency flight control corresponding to air-conditioning progress
Technical problem that is dynamic, accordingly being controlled air-conditioning exactly, reaches and air-conditioning can be entered automatically according to specific failure situation
The technique effect of the more accurate and effective emergency flight control of row.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of air-conditioning emergency control method according to embodiments of the present invention；
Fig. 2 is that the flow for generating the history log of air-conditioning according to preset rules in the case of air-conditioning normal work is shown
It is intended to；
Fig. 3 is the structure composition schematic diagram of air-conditioning emergency control apparatus according to embodiments of the present invention；
Fig. 4 be in a Sample Scenario using air-conditioning emergency control method provided in an embodiment of the present invention and device according to
Specific failure carries out the schematic flow sheet of emergency flight control to air-conditioning.
Embodiment
It is right with reference to embodiment and accompanying drawing for the object, technical solutions and advantages of the present invention are more clearly understood
The present invention is described in further details.Here, the exemplary embodiment of the present invention and its illustrate to be used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In view of existing air-conditioning emergency control method, one emergency button is simply simply set on air-conditioning mostly,
When air-conditioning breaks down, by manual control emergency button with to air-conditioning progress emergent control.The above method when it is implemented, by
In the limitation of method in itself, it is targetedly accurate to air-conditioning progress according to specific failure situation, ambient conditions to lead to not
Control；The participation of people is also needed to, i.e., can not automatically carry out emergency flight control, user experience is poor.In summary, existing side
Method when it is implemented, when air-conditioning failure often be present, ask by the technology that can not be accordingly controlled air-conditioning automatically, exactly
Topic.Basic reason for producing above-mentioned technical problem, the application consider that it is normal air-conditioning can be obtained when air-conditioning breaks down
History log under working condition, according to specific failure situation, using history log as reference, air-conditioning is carried out
Corresponding control, so as to solve that phase can not be carried out to air-conditioning automatically, exactly in the case of failure present in existing method
The technical problem that should be controlled, more accurate and effective emergent control can be carried out to air-conditioning automatically according to specific failure situation by reaching
The technique effect of system.
Based on above-mentioned thinking thinking, the application embodiment provides a kind of air-conditioning emergency control method.It can specifically join
Read the schematic flow sheet of the air-conditioning emergency control method according to embodiments of the present invention shown in Fig. 1.The air-conditioning emergency control method
Specifically it may comprise steps of.
S101：Whether detection air-conditioning there is preset failure, and the preset failure includes at least one of：Return air probe event
Barrier, exhaust temperature-sensitive bag failure, evaporator outlet pipe temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure.
In the present embodiment, above-mentioned air-conditioning can be specifically provided in a certain target area, for target area
The air-conditioning equipment to be freezed.Specifically, above-mentioned target area can be laid with the electronics such as computer, processor, interchanger
The computer room of equipment；Accordingly, above-mentioned air-conditioning can be then air conditioner in machine room.Certainly, it is necessary to which explanation, above-mentioned air-conditioning can be machine
Room air-conditioning, but it is not limited to air conditioner in machine room.When it is implemented, other corresponding environment can be selected with concrete condition and specific requirement
Region is as above-mentioned target area, using the air-conditioning in target area as above-mentioned air-conditioning.
In the present embodiment, above-mentioned return air probe is commonly used for detecting and obtains the temperature data of target area,
For example, the return air temperature in building environment, determines whether target area reaches so as to the return air temperature in target area
Default temperature has been arrived, and then air-conditioning can be adjusted correspondingly according to the actual temperature in target area, controlled.
In the present embodiment, can be specifically that air-conditioning can not detect exactly when return air probe failure occurs in air-conditioning
And the return air temperature in the environment of target area is obtained, and then air-conditioning can not determine the real temperature in target area.In such case
Under, according to original control program, without return air temperature as basis for estimation, can not determine to the air-conditioning under present case how
Adjustment, control corresponding to carrying out, and then lead to not carry out effective, accurate emergency flight control to air-conditioning.
In the present embodiment, above-mentioned temperature-sensitive bag can be specifically a kind of part of expansion valve.Specifically, for example feel
Thermometer bulb can be arranged on evaporator escape pipe, as evaporator outlet pipe temperature-sensitive bag, to detect the temperature of evaporator outlet, and
Temperature information is converted into pressure information, passes to electric expansion valve, so that electric expansion valve can be adjusted according to pressure information
The aperture of electric expansion valve, so as to play a part of adjusting flow.Similar, evaporator inlet pipe temperature-sensitive bag can be specifically arranged on
In evaporator air inlet pipe, to detect and obtain the temperature of evaporator.Exhaust temperature-sensitive bag can specifically be arranged on blast pipe
On, to detect and obtain the temperature of blast pipe.
In the present embodiment, when evaporator outlet pipe temperature-sensitive bag failure occurs in air-conditioning, can be specifically can not be exactly
Detect and obtain the temperature of evaporator outlet, cause electric expansion valve can not determine how this adjusts electronic expansion under present case
The aperture of valve.Similar, can be specifically that can not detect and obtain exactly when evaporator inlet pipe temperature-sensitive bag failure occurs in air-conditioning
Take the temperature of evaporator；Can be specifically that can not detect and obtain exactly when blast pipe temperature-sensitive bag failure occurs in air-conditioning
Take the temperature of blast pipe.And then lead to not carry out effective, accurate emergency flight control to air-conditioning.
In the present embodiment, it is necessary to which explanation, it can be specifically that air-conditioning occurs that preset failure, which occurs, in above-mentioned air-conditioning
One kind or air-conditioning in above-mentioned cited failure occur it is a variety of in above-mentioned cited failure, for example, air-conditioning
There is exhaust temperature-sensitive bag failure and evaporator outlet pipe temperature-sensitive bag failure etc. simultaneously.
S102：In the case where the preset failure occurs in the air-conditioning, the history log of the air-conditioning is obtained, its
In, the history log be air-conditioning in the case of normal work, according to preset rules generation.
In the present embodiment, above-mentioned historical record can be specifically under the situation of air-conditioning normal work, gather air-conditioning
Associated parameter data during normal operation, the record generated according to preset rules.The record can reflect under normal operation
The setting rule of air-conditioning relevant parameter, therefore can instruct in the case of failure to the emergency flight control of air-conditioning.
In one embodiment, the history log can specifically include at least one of：When multiple default
Between the dutycycle of compressor in section, the electronic expansion valve opening data in multiple preset time periods, in multiple preset time periods
Exhaust temperature data, wherein, the preset time period is 4 hours.Certainly, it is necessary to illustrate, when it is implemented, also may be used
So that as the case may be, other related supplemental characteristics recorded in the history log.
In one embodiment, the electronic expansion valve opening data can specifically include at least one of：Electronics
The initial opening of expansion valve, the maximum opening of electric expansion valve, the minimum aperture of electric expansion valve, electric expansion valve are averaged out
Degree；The exhaust temperature data includes：Maximum exhaust temperature, and/or average exhaust.Certainly, it is necessary to which explanation, above-mentioned
Cited specific parameter is intended merely to be illustrated more clearly that the application embodiment, when it is implemented, can also be according to tool
Body situation, introduce other related design parameters.
In one embodiment, in order to generate above-mentioned sign effect relatively preferably, the of a relatively high history of reference value
Log, remember refering to the history run for generating air-conditioning according to preset rules in the case of air-conditioning normal work shown in Fig. 2
The schematic flow sheet of record, in the case of air-conditioning normal work, the history log of the air-conditioning is generated according to preset rules,
Herein below can specifically be included.
When starting first, n=0 can be taken.Wherein, n is the numbering of preset time period.Every 4 hours are default as one
Period, i.e. a time of day.The cumulative time t that each preset time period inner compressor is opened is counted and recorded respectivelyON(unit
For minute)；And in each preset time period, after compressor is opened 3 minutes, count and to record electronics in preset time period swollen
The aperture data of swollen valve：Maximum opening Kmax (n), the minimum aperture Kmin (n) of electric expansion valve, the electronics of electric expansion valve are swollen
The average aperture Kavr (n) of swollen valve, the initial opening K0 (n) of electric expansion valve；And exhaust temperature data in preset time period：
Maximum exhaust temperature Tmax (n), average exhaust Tavr (n).Wherein, the average aperture Kavr (n) of electric expansion valve can be with
Averaged determination by the return air temperature to previous minute and current return air temperature.
Then can be according to the accumulated time t of the compressor of preset time periodONWith the total duration of the preset time period, it is determined that
The dutycycle P (n) of compressor in the preset time period.In the present embodiment, preset time period is 4 hours, corresponding pre-
If the total duration of time can be expressed as 240 minutes, the dutycycle of compressor specifically can be with table in the corresponding preset time period
It is shown as P (n)=tON/240.By the dutycycle P (n) of the compressor in the preset time period；Electronics in the preset time period is swollen
Swollen valve opening data：Maximum opening Kmax (n), the minimum aperture Kmin (n) of electric expansion valve, the electronic expansion of electric expansion valve
The average aperture Kavr (n) of valve, the initial opening K0 (n) of electric expansion valve；And exhaust temperature data in the preset time period：
Maximum exhaust temperature Tmax (n), average exhaust Tavr (n), arranged, recorded, obtain the history of the preset time period
Log.In this way, can record exactly a preset time period it is hollow adjust normal work when, each relevant parameter it is specific
Numerical value, subsequently to may be referred to use.
A preset time period is often completed as the duration of a preset time period using 4 hours again, that is, is completed 4 small
When statistic record, into next preset time period, i.e., the numbering of preset time period is changed into n+1 from n, and then can enter pair
The collection of the history log of next preset time period, statistics.
In the present embodiment, for the ease of follow-up Data Management Analysis, the normal work of air-conditioning can be used as using 24 hours
The process cycle made.When it is implemented, the normal operation condition history fortune of air-conditioning can be recorded again at interval of 24 hours
Row record.That is, by n zero setting：N=0, repetition record the dutycycle of compressor in each preset time period, electric expansion valve
Aperture data, exhaust temperature data, with each data in more new record：P(n)、Kmax(n)、Kmin(n)、Kavr(n)、
Tmax (n), Tavr (n), so as to obtain the history log of the air-conditioning corresponding to this 24 hours.
In the present embodiment, it is necessary to illustrate be, when it is implemented, the preset rules can be specifically：With 24 hours
As a process cycle, using preset time period in 4 hours as one process cycle, and then each preset time is counted respectively
Associated parameter data in section, obtains the history log of each preset time period, has counted all pre- in a process cycle
If the history log of period, you can to obtain the history log of the process cycle.Certainly, when it is implemented,
The duration of above-mentioned process cycle and the duration of preset time period can be redefined as the case may be and construction requirement.On the other hand,
The application does not repeat.
S103：According to the preset failure, the history log, it is determined that corresponding preset strategy；And according to described
Preset strategy, control the operation of air conditioner.
In the present embodiment, in order to according to different preset failures, to different failure situations targetedly should
Anxious control, when it is implemented, it is above-mentioned according to the preset failure, the history log, it is determined that corresponding preset strategy；And
According to the preset strategy, can specifically include：According to the particular type of preset failure, knot and history log, pin is determined
For the preset strategy of the preset failure of the type.In this way, default plan corresponding to different preset failures can be respectively adopted
Slightly, more accurate and effective emergency flight control is carried out.
In one embodiment, in the case where the preset failure is return air probe failure, according to the default event
Barrier, the history log, it is determined that corresponding preset strategy, can specifically include herein below.
S1：According to the history log of the air-conditioning, it is determined that current compressor dutycycle.
S2：The current compressor dutycycle and predetermined threshold value are compared, obtain the first comparative result.
S3：According to first comparative result, it is determined that the corresponding preset strategy.
In the present embodiment, according to the history log of the air-conditioning, it is determined that current compressor dutycycle, specifically
It can include：According to the history log of air-conditioning, it is determined that with the compressor in the preset time period corresponding to current time
Dutycycle P (n)；Dutycycle P (n) with the compressor in the preset time period corresponding to current time is defined as to current pressure
Contracting machine dutycycle.
In the present embodiment, during specific implementation can by the dutycycle of current compressor respectively not with multiple default thresholds
Value is compared, it is determined that the preset threshold range that the dutycycle of current compressor is located at, using the preset threshold range as
First comparative result；According to the first comparative result, according to the preset strategy table shown in following table, it is determined that corresponding preset strategy.
The preset strategy table of table 1
In the present embodiment, specifically, for example, determining that the current time that above-mentioned return air probe failure occurs corresponds to sky
The preset time period that numbering is 2 in the history log of tune；According to history log, the preset time that numbering is 2 is obtained
The dutycycle P (2) of compressor in section:20% as current compressor dutycycle；By current compressor dutycycle 20%
Respectively compared with predetermined threshold value, it is determined that the preset threshold range that current compressor dutycycle is located at；And then can root
According to table 1, according to residing preset threshold range, it is determined that corresponding preset strategy.Wherein, the predetermined threshold value can be specifically each
End value in individual preset threshold range, for example, for [15%, 24%] this preset threshold range, it is corresponding with two default thresholds
Value can be：15% and 24%.In the present embodiment, current compressor dutycycle P (2) be 20%, the value be more than 15%, and
Less than 24%, i.e., in the preset range of [15%, 24%], the mark according to corresponding to table 1 can determine the preset threshold range
Number be 1 gear, and then can using the preset strategy corresponding to the gear in table 1 marked as 1 as corresponding to preset strategy, i.e.,
It is determined that corresponding preset strategy is：Compressor is opened 12 minutes, is stopped 48 minutes, (operation) 4 cycles.You need to add is that in table 1
Preset strategy specifically can according in history log related data carry out corresponding to modification and adjust.In this way, can be with
According to the concrete condition of compressor operating, in the situation of return air probe failure, according to the dutycycle of current compressor, it is determined that corresponding
Preset strategy, so as to carry out targetedly emergency flight control to the air-conditioning under different situations.
In one embodiment, in the case where the preset failure is exhaust temperature-sensitive bag failure, according to described default
Failure, the history log, it is determined that corresponding preset strategy, can specifically include herein below.
S1：First duration is defined as compressor continuous operating time, the second duration is defined as into compressor is stopped
Time.
In one embodiment, first duration is specifically as follows 30 minutes, and second duration is specifically as follows 6
Minute.Certainly, it is necessary to which explanation, above-mentioned the first cited duration, the second duration are intended merely to that the application is better described
Embodiment, when it is implemented, can also as the case may be and construction requirement, it is determined that other numerical parameters are as above-mentioned
One duration, the second duration.
S2：The operation of the compressor will be controlled according to first duration, second duration, as the default plan
Slightly.
In the present embodiment, when it is implemented, compressor can be controlled continuously to be worked in this preset time period, work is treated
After the time reaches the first duration；Control compressor is stopped, and after stopping rest and reaching the second duration, then controls compressor
Work.Specifically, for example, in a preset time period compressor can be controlled to force stopping to be stopped per continuous work 30 minutes
Breath 6 minutes, reworked after the time of having a rest is full 6 minutes.
In one embodiment, it is evaporator outlet pipe temperature-sensitive bag failure, and/or evaporator inlet pipe in the preset failure
In the case of temperature-sensitive bag failure, according to the preset failure, the history log, it is determined that corresponding preset strategy, specifically
Herein below can be included.
S1：Obtain current exhaust gas temperature TRow。
S2：According to the history log, by the initial opening K of the electric expansion valve0It is defined as first time period
The first operation aperture K.
In the present embodiment, when it is implemented, can be first according to the first operation aperture control electric expansion valve, at one section
Between after, such as 3 branches and then according to current exhaust gas temperature, average exhaust to first operation aperture be adjusted.
S3：The current exhaust gas temperature and the average exhaust Tavr (n) are compared, second is obtained and compares knot
Fruit.
S4：According to second comparative result, adjustment the first operation aperture, and first after adjustment is run into aperture
It is defined as the second operation aperture of second time period.
S5：Will be in the first time period, according to the described first operation aperture control electric expansion valve；Described second
In period, according to the described second operation aperture control electric expansion valve, as the preset strategy.
, can be swollen by adjusting electronics when opening compressor is freezed in the present embodiment, it is necessary to supplement
The aperture of swollen valve controls specific refrigerant flow, so as to reaching the specific control to air-conditioning work process.
In one embodiment, opened in order to relatively accurately adjust the operation of electric expansion valve as the case may be
Degree, it is above-mentioned according to second comparative result, adjustment the first operation aperture, it can specifically include herein below.
S1：In the case where the difference of the current exhaust gas temperature and the average exhaust is more than first threshold, increase
The big first operation aperture.
S2：In the case where the difference of the current exhaust gas temperature and the average exhaust is less than Second Threshold, subtract
The small first operation aperture.
S3：It is less than or equal to first threshold in the difference of the current exhaust gas temperature and the average exhaust, and is more than
In the case of Second Threshold, keep the first operation aperture constant.
In the present embodiment, specifically, for example can be with：First opened according to history log by the initial of electric expansion valve
Spend K0Electric expansion valve is controlled to run 3 minutes；After 3 minutes, according to the average row that preset time period is corresponded in history log
Temperature degree Tavr (n) adjusts initial opening, with the initial opening control electric expansion valve operation after adjustment.Can be with during specific implementation
Perform in such a way：
In TRow-Tavr(n)>In the case of Δ 3, the operation aperture K of increase by first, and ensure K≤Kmax (n)；
In TRow-Tavr(n)<In the case of-Δ 3, reduce the first operation K, and ensure K≤Kmin (n)；
In -3≤T of ΔRowIn the case of-Tavr (n)≤Δ 3, keep the first aperture K constant.
Wherein, Δ 3 is first threshold, and-Δ 3 is Second Threshold, the specific span of Δ 3 may be greater than equal to 3 and
Less than or equal to 5.Kmax (n) is the maximum opening of the electric expansion valve in the preset time period, and Kmin (n) is the preset time period
In electric expansion valve minimum aperture, Kmax (n) and Kmin (n) can specifically determine according to history log.
In the present embodiment, it is necessary to which explanation is to protect the device in air-conditioning, work as T during specific implementationRow>Kmax
(n)+5 or TRow>At 80 DEG C continuous 3 minutes, compressor shutdown simultaneously enters the high protection of exhaust；T was detected when continuous 3 minutesRow<
Tavr (n) DEG C and shut down 6 minutes after, compressor just resumes operation.In this way, can be preferably to devices such as the compressors in air-conditioning
Protected.
One implementation, the preset failure for exhaust temperature-sensitive bag failure, and evaporator outlet pipe temperature-sensitive bag failure and
In the case of at least one of evaporator inlet pipe temperature-sensitive bag failure, according to the preset failure, the history log, really
Preset strategy corresponding to fixed, can specifically include herein below.
In the present embodiment, it is necessary to which explanation, above-mentioned failure situation can specifically include following several situations：Exhaust
Temperature-sensitive bag failure, and evaporator outlet pipe temperature-sensitive bag failure；It is vented temperature-sensitive bag failure, and evaporator inlet pipe temperature-sensitive bag failure；Exhaust
Temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure, and evaporator outlet pipe temperature-sensitive bag failure.
S1：According to the history log, the initial opening of the electric expansion valve is defined as first time period
First operation aperture, the average aperture of the electric expansion valve is defined as to the second operation aperture of second time period.
In the present embodiment, when being vented in temperature-sensitive bag, and evaporator outlet pipe temperature-sensitive bag and evaporator inlet pipe temperature-sensitive bag
It is at least one and meanwhile when breaking down, due to can not be carried out by suction superheat or delivery temperature to the aperture of electric expansion valve
Corresponding regulation, therefore, it can be averaged open according to the initial opening of the electric expansion valve in history log, electric expansion valve
Degree, is specifically controlled electric expansion valve.Wherein, it is above-mentioned that the aperture of electric expansion valve is accordingly adjusted by suction superheat
Section, can be specifically air-conditioning in the case of normal work, the aperture of electric expansion valve is controlled according to suction superheat, it is specific real
Can be using evaporator outlet pipe temperature and evaporator inlet pipe temperature gap as the suction superheat when applying.
S2：First duration is defined as compressor continuous operating time, the second duration is defined as into compressor is stopped
Time.
S3：Will be in the first time period, according to the described first operation aperture control electric expansion valve；Described second
In period, according to the described second operation aperture control electric expansion valve；Controlled according to first duration, second duration
The operation of the compressor, as the preset strategy.
In the present embodiment, by above-mentioned concrete scheme respectively according to the type of different preset failures, with reference to history
Log, it is determined that preset strategy corresponding with preset failure；And then corresponding preset strategy can be utilized, under different situations
Air-conditioning carry out targetedly emergency flight control.
In the application embodiment, in the case of being broken down in air-conditioning, generated when obtaining air-conditioning normal work
History log；And according to history log and specific preset failure, corresponding preset strategy is automatically determined, so as to
Emergency flight control corresponding to being carried out according to preset strategy to air-conditioning, occurs so as to solve present in existing method in air-conditioning
The technical problem that can not be accordingly controlled air-conditioning automatically, exactly in the case of failure, reaching can be according to specific failure
Situation, the technique effect of more accurate and effective emergency flight control is carried out to air-conditioning automatically.
In one embodiment, in the case where communication failure occurs in the air-conditioning, in order to carry out emergent control to air-conditioning
System, methods described can also specifically include：According to preset instructions parameter, operation of air conditioner is controlled.Wherein, the preset instructions parameter
For the order parameter inputted before communication failure occurs.
As can be seen from the above description, compared to existing method, the emergent control of air-conditioning that the application embodiment provides
Method processed, in the case of being broken down in air-conditioning, obtain the history log generated during air-conditioning normal work；And according to
History log and specific preset failure, automatically determine corresponding preset strategy, so as to according to preset strategy to sky
Transfer in row corresponding to emergency flight control, so as to solve present in existing method air-conditioning failure in the case of can not automatically,
The technical problem accordingly controlled air-conditioning exactly, reach and air-conditioning can be carried out automatically according to specific failure situation
The technique effect of more accurate and effective emergency flight control；In addition, also the air-conditioning failure of appearance is specifically analyzed, according to
Different faults determine corresponding preset strategy, are answered so as to which the air-conditioning progress specific aim exactly to different faults is stronger
Anxious control, improves control effect, improves user experience.
Based on same inventive concept, a kind of air-conditioning emergency control apparatus is additionally provided in the embodiment of the present invention, as following
Described in embodiment.It is similar to air-conditioning emergency control method to solve the principle of problem by air-conditioning emergency control apparatus, thus it is empty
Adjust the implementation of emergency control apparatus to may refer to the implementation of air-conditioning emergency control method, repeat part and repeat no more.
Present invention also provides a kind of air-conditioning emergency control apparatus, can specifically refer to real according to the present invention shown in Fig. 3
Apply the structure composition schematic diagram of the air-conditioning emergency control apparatus of example.The device can specifically include：Detection module 301, obtain mould
The structures such as block 302, control module 303, above-mentioned each structure is specifically described below.
Detection module 301, it specifically can be used for detecting whether air-conditioning preset failure occurs, the preset failure includes following
At least one：Return air probe failure, exhaust temperature-sensitive bag failure, evaporator outlet pipe temperature-sensitive bag failure, the event of evaporator inlet pipe temperature-sensitive bag
Barrier.
Acquisition module 302, it specifically can be used for, in the case where the preset failure occurs in the air-conditioning, obtaining the sky
The history log of tune, wherein, the history log be air-conditioning in the case of normal work, given birth to according to preset rules
Into.
Control module 303, specifically it can be used for according to the preset failure, the history log, it is determined that corresponding
Preset strategy；And according to the preset strategy, control the operation of air conditioner.
As can be seen from the above description, compared to existing method, the emergent control of air-conditioning that the application embodiment provides
Device processed, by acquisition module in the case where air-conditioning breaks down, obtain the history run note generated during air-conditioning normal work
Record；And corresponding preset strategy is automatically determined according to history log and specific preset failure by control module, so as to
Emergency flight control corresponding to being carried out according to preset strategy to air-conditioning, occurs so as to solve present in existing method in air-conditioning
The technical problem that can not be accordingly controlled air-conditioning automatically, exactly in the case of failure, reaching can be according to specific failure
Situation, the technique effect of more accurate and effective emergency flight control is carried out to air-conditioning automatically；In addition, also to the air-conditioning failure of appearance
Specifically analyzed, corresponding preset strategy is determined according to different faults by control module, so as to right exactly
The air-conditioning of different faults carries out the stronger emergency flight control of specific aim, improves control effect, improves user experience.
In a specific Sample Scenario, the air-conditioning emergency control method and device provided using the application is in failure
Air conditioner in machine room carry out emergent control, to avoid, because air-conditioning failure can not normally freeze, causing the damage of equipment in computer room.Tool
Body implementation process can refer to herein below.
It is determined that specific fault type, according to different fault types, with reference to history log, it is determined that corresponding default
Strategy, so that preset strategy carries out corresponding emergency flight control to air-conditioning corresponding to.
In one embodiment, when to determine failure be communication failure, because air-conditioning mainboard can not obtain newly-installed ginseng again
Number data.It is usually fixed in view of the temperature parameter set by air conditioner in machine room, therefore, when it is implemented, can be by mainboard
The arrange parameter (i.e. preset instructions parameter) preserved is controlled to air-conditioning.For air conditioner in machine room, general control air-conditioning only enters
Enter refrigeration mode, without entering heating or humidifying mode.
In one embodiment, when to determine failure be return air probe failure, it is contemplated that air conditioner in machine room is typically by return air
Probe detects and obtains computer room (i.e. target area) environment temperature TReturn, and according to TReturnControl specific refrigerating operaton.Specifically, work as
TReturn>TSetting+Δ1, compressor cooling can be started；Work as TReturn<TSetting-Δ2, compressor cooling can be stopped.Wherein, Δ1With Δ2For temperature
Dead band value is adjusted, its specific span can be 0.5~2.0.
Therefore, when it is implemented, when return air probe failure occur, due to T can not be detectedReturn, cause that judgement system can be lost
The ability of the condition of cold operation.In such a case, it is possible to the dutycycle of the compressor in history log controls
Control the operation of compressor.When it is implemented, can as corresponding to determining current time preset time period numbering n, Jin Erke
To obtain the dutycycle P (n) of the compressor in the preset time period that numbering is n from history log, by comparative analysis,
The default compressor start-stop cycle in preset strategy table as shown in table 1 carries out refrigeration control and (presets plan corresponding to determining
Slightly, emergency flight control is carried out according to corresponding preset strategy).Specifically, for example, work as P (n)<When 15%, show cooling load very
It is small, it is not necessary to enter emergent refrigeration, can be with close compressor.As P (n)>When 15%, 8 different stalls can be divided into by table 1.
Wherein, during concrete analysis processing, when can work as P (n) ∈ [15%, 24%], by 4 cycles, each 60 minutes cycles, compressor
Open 12 minutes, stop 48 minutes, wherein, compressor operating dutycycle is 20% (default plan corresponding to determining under the contingency mode
Slightly, and according to preset strategy emergency flight control is carried out)；, can be by 6 cycles, each cycle 40 when P (n) ∈ [25%, 34%]
Minute, compressor is opened 12 minutes, stopped 28 minutes, wherein, compressor operating dutycycle is 30% under the contingency mode.
In one embodiment, determine that (above-mentioned temperature-sensitive bag failure includes at least one of to failure for temperature-sensitive bag failure：Row
Gas temperature-sensitive bag failure, evaporator outlet pipe temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure) when, air conditioner in machine room can utilize electricity
Sub- expansion valve as throttling arrangement adjust accordingly, controlled.Specifically, compressor cooling can opened simultaneously, pass through
The aperture of variable expansion valve (electric expansion valve) controls refrigerant flow, reaches refrigeration efficiency.For example, during normal work, can
To adjust aperture using suction superheat, to adjust the working condition of air-conditioning, to ensure normal kind of refrigeration cycle.Wherein, have
When body is implemented, the difference of evaporator outlet pipe temperature and evaporator inlet pipe temperature can be defined as above-mentioned suction superheat.
In the present embodiment, it is necessary to which supplement, can be also used for air-conditioning device during exhaust temperature-sensitive bag is specifically used
Protection (protection of exhaust temperature-sensitive bag).Specifically, when delivery temperature is higher (for example, delivery temperature>90 DEG C), then aperture can only increase
It can not reduce.When excessive discharge temperature is (for example, delivery temperature>110 DEG C) when, to ensure the compressor life-span, avoid compressor
Damage, with close compressor delivery temperature can be waited to drop to normal value (for example, delivery temperature<80 DEG C) and shut down full 3 minutes
More than, then reopen compressor.In this way, compressor can be protected preferably, extend the service life of compressor.
In the present embodiment, there is evaporator outlet pipe temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure or exhaust
In the case of temperature-sensitive bag failure, it can specifically refer in a Sample Scenario shown in Fig. 4 using provided in an embodiment of the present invention
Air-conditioning emergency control method and device carry out the schematic flow sheet of emergency flight control according to specific failure to air-conditioning, in such a way
It is adjusted correspondingly and controls, with emergency flight control corresponding to being carried out to air conditioner in machine room.
Specifically, when being vented the failure of temperature-sensitive bag, the bag protection of exhaust temperature-sensitive is lost, to ensure the compressor life-span,
Prevent compressor from continuously running and excessive discharge temperature occur, when it is implemented, periodically stopping compressor operating.For example, compressor
When continuously running 30 minutes, forced stoppage 6 minutes.
When evaporator outlet pipe temperature-sensitive bag, evaporator inlet pipe temperature-sensitive bag break down, it is impossible to opened by suction superheat regulation
Degree, when it is implemented, being adjusted by delivery temperature according to history log, controlling expansion valve opening：By initial opening K0
Average exhaust Tavr (n) controls in historical record are pressed in operation after 3 minutes, 3 minutes, Δ 3 is aperture regulation dead band value, is taken
It is 3~5 to be worth scope.Also, in TRow>During Tavr (n)+Δ 3, aperture K increases and K≤Kmax (n)；In TRow<Tavr(n)-Δ3
When, aperture K is reduced and K≤Kmin (n)；In Tavr (n) -3≤T of ΔRowDuring≤Tavr (n)+Δ 3, aperture K keeps constant.In addition,
Also need to supplement, TRow>Kmax (n)+5 or TRow>80 DEG C continuous 3 minutes, and compressor shutdown enters the high protection of exhaust, continuously
Detect T within 3 minutesRow<Tavr (n) DEG C and shut down 6 minutes after, compressor resumes operation.
When evaporator outlet pipe temperature-sensitive bag, evaporator inlet pipe temperature-sensitive bag break down with exhaust temperature-sensitive bag simultaneously, due to not
Can be by suction superheat or delivery temperature regulation aperture, can be according to history log, by initial opening K during specific implementation0
Operation is run after 3 minutes, 3 minutes by average aperture Kavr (n).Also, work as the continuous ETAD expected time of arrival and departure of compressor (the i.e. continuous work of compressor
Make the time)>30 minutes, forced stoppage 6 minutes, prevent compressor from continuously running and excessive discharge temperature occur.
By above-mentioned Sample Scenario, control system and the side of the air-conditioner temperature provided using the application embodiment are demonstrated
In the case that method in air-conditioning by breaking down, the history log generated during air-conditioning normal work is obtained；And according to history
Log and specific preset failure, automatically determine corresponding preset strategy, so as to be entered according to preset strategy to air-conditioning
Emergency flight control corresponding to row, so as to can solve not can oneself in the case of air-conditioning failure present in existing method really
Technical problem that is dynamic, accordingly being controlled air-conditioning exactly, reach according to specific failure situation, automatically to air-conditioning progress compared with
For the technique effect of accurate, effective emergency flight control.
In another embodiment, a kind of software is additionally provided, the software is used to perform above-described embodiment and preferred reality
Apply the technical scheme described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored with the storage medium, should
Storage medium includes but is not limited to：CD, floppy disk, hard disk, erasable storage device etc..
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
Realized with general computing device, they can be concentrated on single computing device, or are distributed in multiple computing devices
On the network formed, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and performed in the storage device by computing device, and in some cases, can be to be held different from order herein
They, are either fabricated to each integrated circuit modules or will be multiple in them by the shown or described step of row respectively
Module or step are fabricated to single integrated circuit module to realize.So, the embodiment of the present invention is not restricted to any specific hard
Part and software combine.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (11)
- A kind of 1. air-conditioning emergency control method, it is characterised in that including：Whether detection air-conditioning there is preset failure, and the preset failure includes at least one of：Return air probe failure, exhaust sense Thermometer bulb failure, evaporator outlet pipe temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure；In the case where the preset failure occurs in the air-conditioning, the history log of the air-conditioning is obtained, wherein, it is described to go through History log be air-conditioning in the case of normal work, according to preset rules generation；According to the preset failure, the history log, it is determined that corresponding preset strategy；And according to the preset strategy, Control the operation of air conditioner.
- 2. according to the method for claim 1, it is characterised in that the history log includes at least one of：It is more It is electronic expansion valve opening data in the dutycycle of compressor in individual preset time period, multiple preset time periods, multiple default Exhaust temperature data in period, wherein, the preset time period is 4 hours.
- 3. according to the method for claim 2, it is characterised in that the electronic expansion valve opening data include it is following at least it One：The initial opening of electric expansion valve, the maximum opening of electric expansion valve, the minimum aperture of electric expansion valve, electric expansion valve Average aperture；The exhaust temperature data includes：Maximum exhaust temperature, and/or average exhaust.
- 4. according to the method for claim 2, it is characterised in that in the situation that the preset failure is return air probe failure Under, according to the preset failure, the history log, it is determined that corresponding preset strategy, including：According to the history log of the air-conditioning, it is determined that current compressor dutycycle；The current compressor dutycycle and predetermined threshold value are compared, obtain the first comparative result；According to first comparative result, it is determined that corresponding preset strategy.
- 5. according to the method for claim 1, it is characterised in that the situation in the preset failure for exhaust temperature-sensitive bag failure Under, according to the preset failure, the history log, it is determined that corresponding preset strategy, including：First duration is defined as compressor continuous operating time, the second duration is defined as the compressor off-air time；The operation of the compressor will be controlled according to first duration, second duration, as the preset strategy.
- 6. according to the method for claim 5, it is characterised in that a length of 30 minutes when described first, a length of 6 when described second Minute.
- 7. according to the method for claim 3, it is characterised in that former for evaporator outlet pipe temperature-sensitive bag in the preset failure In the case of barrier, and/or evaporator inlet pipe temperature-sensitive bag failure, according to the preset failure, the history log, it is determined that pair The preset strategy answered, including：Obtain current exhaust gas temperature；According to the history log, the initial opening of the electric expansion valve is defined as to the first operation of first time period Aperture；The current exhaust gas temperature and the average exhaust are compared, obtain the second comparative result；According to second comparative result, adjustment the first operation aperture, and the first operation aperture after adjustment is defined as Second operation aperture of second time period；Will be in the first time period, according to the described first operation aperture control electric expansion valve；In the second time period It is interior, according to the described second operation aperture control electric expansion valve, as the preset strategy.
- 8. according to the method for claim 7, it is characterised in that according to second comparative result, adjustment first fortune Row aperture, including：In the case where the difference of the current exhaust gas temperature and the average exhaust is more than first threshold, increase described the One operation aperture；In the case where the difference of the current exhaust gas temperature and the average exhaust is less than Second Threshold, reduce described the One operation aperture；It is less than or equal to first threshold in the difference of the current exhaust gas temperature and the average exhaust, and more than or equal to second In the case of threshold value, keep the first operation aperture constant.
- 9. according to the method for claim 3, it is characterised in that the preset failure for exhaust temperature-sensitive bag failure, and In the case of at least one of evaporator outlet pipe temperature-sensitive bag failure and evaporator inlet pipe temperature-sensitive bag failure, according to the default event Barrier, the history log, it is determined that corresponding preset strategy, including：According to the history log, the initial opening of the electric expansion valve is defined as to the first operation of first time period Aperture, the average aperture of the electric expansion valve is defined as to the second operation aperture of second time period；First duration is defined as compressor continuous operating time, the second duration is defined as the compressor off-air time；Will be in the first time period, according to the described first operation aperture control electric expansion valve；In the second time period It is interior, according to the described second operation aperture control electric expansion valve；The pressure is controlled according to first duration, second duration The operation of contracting machine, as the preset strategy.
- 10. according to the method for claim 1, it is characterised in that described in the case where communication failure occurs in the air-conditioning Method also includes：According to preset instructions parameter, operation of air conditioner is controlled.
- A kind of 11. air-conditioning emergency control apparatus, it is characterised in that including：Detection module, for detecting whether air-conditioning preset failure occurs, the preset failure includes at least one of：Return air is visited Head failure, exhaust temperature-sensitive bag failure, evaporator outlet pipe temperature-sensitive bag failure, evaporator inlet pipe temperature-sensitive bag failure；Acquisition module, in the case of there is the preset failure in the air-conditioning, obtain the history run note of the air-conditioning Record, wherein, the history log be air-conditioning in the case of normal work, according to preset rules generation；Control module, for according to the preset failure, the history log, it is determined that corresponding preset strategy；And according to The preset strategy, control the operation of air conditioner.
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| CN114857741A (en) * | 2022-05-20 | 2022-08-05 | 江苏科技大学 | Air conditioning system with fault diagnosis and emergency starting functions and control method thereof |
| CN115264756A (en) * | 2022-07-13 | 2022-11-01 | 青岛海信日立空调系统有限公司 | Emergency processing method and device for air conditioning system |
| CN115264756B (en) * | 2022-07-13 | 2023-08-01 | 青岛海信日立空调系统有限公司 | Emergency treatment method and device for air conditioning system |
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