CN107449102A - Hospital's fan coil self-diagnosis of trouble method, apparatus and readable storage medium storing program for executing - Google Patents
Hospital's fan coil self-diagnosis of trouble method, apparatus and readable storage medium storing program for executing Download PDFInfo
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- 238000004092 self-diagnosis Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000008859 change Effects 0.000 claims abstract description 54
- 230000001960 triggered effect Effects 0.000 claims abstract description 28
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 32
- 239000001569 carbon dioxide Substances 0.000 claims description 32
- 230000008014 freezing Effects 0.000 claims description 29
- 238000007710 freezing Methods 0.000 claims description 29
- 230000000153 supplemental effect Effects 0.000 claims description 26
- 230000007613 environmental effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 241000208340 Araliaceae Species 0.000 claims description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 235000008434 ginseng Nutrition 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 238000007726 management method Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 241001269238 Data Species 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HCUOEKSZWPGJIM-YBRHCDHNSA-N (e,2e)-2-hydroxyimino-6-methoxy-4-methyl-5-nitrohex-3-enamide Chemical compound COCC([N+]([O-])=O)\C(C)=C\C(=N/O)\C(N)=O HCUOEKSZWPGJIM-YBRHCDHNSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Abstract
The present invention relates to a kind of hospital's fan coil self-diagnosis of trouble method, apparatus and readable storage medium storing program for executing, the fan coil self-diagnosis of trouble method includes：Obtain the ambient parameter information and current operating parameter information of fan coil；Based on current environment parameter information and last moment ambient parameter information, the rate of change of calculating fan coil ambient parameter in preset time；Preset time is the time interval of current time and last moment；If the rate of change of current environment parameter information, current operating parameter information and ambient parameter meets that the first preparatory condition, or current environment parameter information meet the second preparatory condition, then control signal is produced；Fault alarm is triggered according to caused control signal.Fault pre-alarming can be realized to fan coil automatically by implementing the present invention, to adjust in time, ensured air conditioning comfortableness and improved efficiency.
Description
Technical field
The present invention relates to hospital central air-conditioning field, more specifically to a kind of hospital's fan coil self-diagnosis of trouble side
Method, device and readable storage medium storing program for executing.
Background technology
In order to obtain comfortable thermal environment, various countries will consume the substantial amounts of energy and be used for heat supply and air-conditioning every year.
The air quality needs of hospital are directed to, whether the fan coil that particularly hospital clinic is waited to see the doctor in region can be just
Often operation, whether its regulation and control area of space temperature can meet correlation function requirement is particularly important in routine maintenance procedure.
It is typically to have onsite user's complaint or regular visit could pin if traditional fan coil system breaks down
Inspection and discovery to property, this mode lack it is ageing, not only it cannot be guaranteed that air conditioning comfortableness requirement, it is also possible to cause the energy
With the significant wastage of resource.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of hospital's fan unit
Pipe self-diagnosis of trouble method, apparatus and readable storage medium storing program for executing.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of hospital's fan coil self-diagnosis of trouble side
Method, the self-diagnosis of trouble method comprise the following steps：
Obtaining fan coil ambient parameter information and current operating parameter information, the ambient parameter information includes upper a period of time
Carve ambient parameter information, current environment parameter information and subsequent time ambient parameter information；
Based on the current environment parameter information and the subsequent time ambient parameter information, calculate the fan coil and exist
The rate of change of ambient parameter in preset time period；The preset time period is period of the current time to subsequent time；
If the rate of change of the current environment parameter information, current operating parameter information and ambient parameter meets that first is pre-
If condition, or the current environment parameter information meet the second preparatory condition, then control signal is produced；
Fault alarm is triggered according to caused control signal.
Preferably, the ambient parameter information includes：Ambient temperature data, relative humidity data, the dense carbon dioxide number of degrees
According to and surface cooler temperature data；
The current operating parameter information includes：Chilled water valve opening data and fan operation supplemental characteristic；
The rate of change of the ambient parameter includes：Variation of ambient temperature rate, relative humidity variations rate, gas concentration lwevel become
Rate and surface cooler rate of temperature change.
Preferably, control signal triggering fault alarm includes caused by the basis：
Power failure alarm is triggered according to caused control signal；Or
Network failure alarm is triggered according to caused control signal；Or
Fan trouble alarm is triggered according to caused control signal；Or
Freezing valve fault alarm is triggered according to caused control signal；Or
The alarm of fresh air transmission failure is triggered according to caused control signal；Or
Chilled water is triggered according to caused control signal and send water abnormal alarm；Or
Combinations thereof.
Preferably, the rate of change of the current environment parameter information, current operating parameter information and ambient parameter meets
First preparatory condition includes：
Current environmental temperature data, current relative humidity data, current dense carbon dioxide degrees of data, current surface cooler temperature
Data are zero, and current chilled water valve opening data and fan operation supplemental characteristic are zero；Or
The variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide rate and the cold temperature change of table
Rate is zero；Or
The variation of ambient temperature rate and relative humidity variations rate are zero；Or
The fan operation supplemental characteristic is not equal to preset value.
Preferably, the current environment parameter information meets that the second preparatory condition includes：
The fan coil is after the preset time period is reached：
Current environmental temperature data are more than preset temperature threshold value, and current relative humidity data are more than default relative humidity threshold
Value；Or
Current dense carbon dioxide degrees of data is more than default gas concentration lwevel threshold value；Or
Current surface cooler temperature data is more than default surface cooler temperature threshold.
Preferably, the preset temperature threshold value includes preset temperature higher limit and preset temperature lower limit；
The default relative humidity threshold value includes default relative humidity higher limit and default relative humidity lower limit.
The present invention also provides a kind of hospital's fan coil self-diagnosis of trouble device, and the self-diagnosis of trouble device includes：
Acquisition module, for obtaining fan coil ambient parameter information and current operating parameter information, the ambient parameter
Information includes last moment ambient parameter information, current environment parameter information and subsequent time ambient parameter information；
Computing module, for based on the current environment parameter information and the last moment ambient parameter information, calculating
The rate of change of fan coil ambient parameter in preset time；The preset time is subsequent time and the difference at current time
Value；
Signal generator module, in the current environment parameter information, current operating parameter information and ambient parameter
Rate of change meet the first preparatory condition, or the current environment parameter information meet the second preparatory condition when, produce control letter
Number；
Control module, for the control signal triggering fault alarm caused by.
Preferably, the ambient parameter information includes：Ambient temperature data, relative humidity data, the dense carbon dioxide number of degrees
According to and surface cooler temperature data；
The current operating parameter information includes：Chilled water valve opening data and fan operation supplemental characteristic；
The rate of change of the ambient parameter includes：Variation of ambient temperature rate, relative humidity variations rate, gas concentration lwevel become
Rate and surface cooler rate of temperature change.
Preferably, the self-diagnosis of trouble device also includes：
Power failure trigger module, for the control signal triggering power failure alarm caused by；Or
Network failure trigger module, for the control signal triggering network failure alarm caused by；Or
Fan trouble trigger module, for the control signal triggering fan trouble alarm caused by；Or
Failsafe valve trigger module is freezed, for the control signal triggering freezing valve fault alarm caused by；Or
Person
Fresh air transmission failure trigger module, for the control signal triggering fresh air transmission failure alarm caused by；Or
Person
Chilled water send water exception-triggered module, send water to report extremely for the control signal triggering chilled water caused by
It is alert；Or
Combinations thereof.
Preferably, the rate of change of the current environment parameter information, current operating parameter information and ambient parameter meets
First preparatory condition includes：
Current environmental temperature data, current relative humidity data, current dense carbon dioxide degrees of data, current surface cooler temperature
Data are zero, and current chilled water valve opening data and fan operation supplemental characteristic are zero；Or
The variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide rate and the cold temperature change of table
Rate is zero；Or
The variation of ambient temperature rate and relative humidity variations rate are zero；Or
The fan operation supplemental characteristic is not equal to preset value.
Preferably, the current environment parameter information meets that the second preparatory condition includes：
The fan coil is after the preset time period is reached：
Current environmental temperature data are more than preset temperature threshold value, and current relative humidity data are more than default relative humidity threshold
Value；Or
Current dense carbon dioxide degrees of data is more than default gas concentration lwevel threshold value；Or
Current surface cooler temperature data is more than default surface cooler temperature threshold.
The present invention also provides a kind of computer installation, and the computer installation includes processor, and the processor is used to hold
The step of hospital's fan coil self-diagnosis of trouble method as described above is realized during the computer program stored in line storage.
The present invention also provides a kind of readable storage medium storing program for executing, is stored thereon with computer program, the computer program is located
The step of reason device realizes hospital's fan coil self-diagnosis of trouble method as described above when performing.
Implement hospital's fan coil self-diagnosis of trouble method of the present invention, have the advantages that：The present invention passes through installation
The corresponding data or signal of each sensor and execution unit feedback on fan coil, can voluntarily judge working as fan coil
Whether the rate of change of preceding ambient parameter information, current operating parameter information and ambient parameter meets the first preparatory condition, and works as
Whether preceding ambient parameter information meets the second preparatory condition, if one of both meets, produces a control signal, and then basis should
Control signal voluntarily triggers fault alarm.So, administrative staff avoid the need for spending special time detecting fan coil or
Just find that fan coil breaks down, and can not only find failure cause in time until customer complaint is fed back, help administrative staff
Timely processing failure problems, it ensure that reliability, the security of coil pipe of air-conditioner blower system, it is ensured that the thermal comfort of air-conditioning
Property, improve Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description simply to introduce, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the schematic flow sheet of the first embodiment of hospital's fan coil self-diagnosis of trouble method provided by the invention；
Fig. 2 is the structural representation of the first embodiment of hospital's fan coil self-diagnosis of trouble device provided by the invention；
Fig. 3 is a kind of structural representation of the first embodiment of computer installation provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of first embodiment of hospital's fan coil self-diagnosis of trouble method provided by the invention
Schematic flow sheet, the fan coil self-diagnosis of trouble method of the embodiment can be applied to the field of central air-conditioning of hospital clinic.Should
Method can by computer software platform (such as IBM System, i.e. Intelligent Building Management System,
Intelligent building management system) and collection be arranged on fan coil on each sensor and execution unit feedback signal sentenced
It is disconnected, long-range, early warning breakdown judge, maximum probability of screening effective in advance it can will appear from failure in backstage progress or event occurred
The fan coil of barrier, and the reason for prejudge failure, so that property management personnel is according to fault pre-alarming and alert notice, in time
Solve fan coil failure, ensure that fan coil system is safe and reliable and efficient operation, final realize timely respond to user's sky
Adjust the purpose of thermal comfort demand and energy-conservation.
As shown in figure 1, the fan coil self-diagnosis of trouble method of the embodiment comprises the following steps：
S11, the ambient parameter information and current operating parameter information for obtaining fan coil, the ambient parameter information include
Last moment ambient parameter information, current environment parameter information and subsequent time ambient parameter information.
Specifically, current environment parameter information includes the ambient temperature data, relative humidity data, titanium dioxide at current time
Concentration of carbon data and surface cooler temperature data.
Current operating parameter information includes current chilled water valve opening data and fan operation supplemental characteristic.
Subsequent time ambient parameter information includes：Ambient temperature data, relative humidity data, the carbon dioxide of subsequent time
Concentration data and surface cooler temperature data.
It is to be appreciated that subsequent time is apart from the recent time of origin for obtaining data of current time.Further
The time interval at ground, subsequent time and current time can be set according to the practical operation situation of air-conditioning system, such as may be configured as 1
Minute, 2 minutes, 5 minutes or 15 minutes etc., the present invention is not especially limited.Similarly, last moment is nearest apart from current time
The preceding invention moment for once obtaining data, time interval between subsequent time and current time be equal to last moment with it is current
Time interval between moment.
Preferably, ambient temperature data can carry out data acquisition by existing conventional air temperature sensor, relatively wet
Degrees of data can carry out data acquisition by humidity sensor；Dense carbon dioxide degrees of data can be entered by gas concentration lwevel sensor
Row data acquisition, surface cooler temperature data can carry out data acquisition by infrared temperature sensor.Freeze valve opening data
The open and close of freezing valve then can be included by the aperture data feedback of itself of the freezing valve goalkeeper with feedback performance to controller
Or unlatching ratio etc..
Fan operation supplemental characteristic is included by information datas such as unlatching, stopping or the gear signals of blower fan of blower fan feedback,
The trip information of itself can be fed back to controller by it by possessing the blower fan of feedback performance.
S12, based on the current environment parameter information and the last moment ambient parameter information, calculate the fan unit
The rate of change of pipe ambient parameter in preset time period；The preset time period is between the time of current time and last moment
Every.
The rate of change of ambient parameter includes in preset time period：Variation of ambient temperature rate, relative humidity variations rate, titanium dioxide
Concentration of carbon rate of change and surface cooler rate of temperature change.
The ambient parameter information and the ambient parameter of last moment of the fan coil at current time are collected when each sensor
After information, ambient parameter information may be output in IBMS systems the built-in processor with data operation processing function and (or control
Device processed), and the trip information of itself is fed back to processing by each execution unit (such as freezing valve, blower fan) of fan coil
After device, calculated, obtained corresponding according to the ambient parameter information of current environment parameter information and last moment by processor
Rate of change.
Specifically, when the processor (or controller) for having data operation processing function in IBMS systems receives upper a period of time
When carving the data uploaded with current time each sensor, received data is stored in corresponding memory, then pass through place
Reason device is calculated, i.e., by processor that the value at current time and the value of last moment work is poor, then divided by time interval is
Corresponding rate of change can be obtained.
Wherein, processor (or controller) includes but is not limited to microprocessor, microcontroller, digital information processor, micro-
Type calculator, central processing unit etc..
For example, variation of ambient temperature rate is, by the environment temperature numerical value at current time and the environment temperature number of last moment
It is poor that value is made, and obtains the environment temperature difference in preset time period, and then reuse environment temperature gap divided by time interval are (current
Moment and the difference of last moment) variation of ambient temperature rate can be obtained.
If S13, the current environment parameter information, the rate of change of current operating parameter information and ambient parameter meet the
One preparatory condition, or the current environment parameter information meet the second preparatory condition, then produce control signal.
When the processor in IBMS systems receives the ambient parameter information of the fan coil at current time, current fan unit
The trip information of pipe, and after calculating the rate of change of ambient parameter, current environment parameter information, current is judged by processor
Whether trip information and the rate of change of ambient parameter meet the first preparatory condition, or current environment parameter information whether
Meet the second preparatory condition.
On the first preparatory condition and the second preparatory condition, can pre-set to obtain by administrative staff.For example, administrative staff
First preparatory condition and the second preparatory condition can be set when central air conditioner system first powers on；Or transported in central air conditioner system
During row, setting of the first preparatory condition and the second preparatory condition etc. is carried out by inputting after a certain preset password, the present invention
Embodiment does not limit.The present invention can store the first preparatory condition set and the second default bar by various memory devices
Part, each memory device can be realized by one or more storage assemblies.
Preferably, in this step, judge current fan coil current environment parameter information, current operating parameter information with
And whether the rate of change of ambient parameter meets that the first preparatory condition may particularly include：
Judge current environmental temperature data, current relative humidity data, current dense carbon dioxide degrees of data, current surface cooler
Whether temperature data is zero, and whether current chilled water valve opening data and fan operation supplemental characteristic are zero, if
A control signal is then produced, the control signal is used to trigger fault alarm.
Or judge that the variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide rate and table are cold
Whether rate of temperature change is zero；If then producing a control signal, the control signal is used to trigger fault alarm.
Or judge whether the variation of ambient temperature rate and relative humidity variations rate are zero；If then produce a control
Signal processed, the control signal are used to trigger fault alarm.
Or judge whether the fan operation supplemental characteristic is equal to preset value, if being not equal to preset value, produce a control
Signal processed, the control signal are used to trigger fault alarm.
S14, the control signal triggering fault alarm caused by.
Preferably, fault alarm is triggered according to caused control signal may particularly include：
Power failure alarm can trigger according to caused control signal；Or
Network failure alarm is triggered according to caused control signal；Or
Fan trouble alarm is triggered according to caused control signal；Or
Freezing valve fault alarm is triggered according to caused control signal；Or
The alarm of fresh air transmission failure is triggered according to caused control signal；Or
Combinations thereof.
For example, when the rate of change for judging current environment parameter information, current operating parameter information and ambient parameter is expired
During the first preparatory condition of foot, i.e.,：
When judge current ambient temperature data, current relative humidity data and dense carbon dioxide degrees of data and
Current surface cooler temperature data is zero, and the aperture data of current freezing penstock and fan operation supplemental characteristic are zero
(i.e. feedback signal is 0), then can determine whether out that now power failure occurs in fan coil system, and trigger power failure alarm.
When judging variation of ambient temperature rate, relative humidity variations rate, deep carbon dioxide rate of change and surface cooler temperature
When degree rate of change is zero, then judge that now network communication failure occurs in fan coil system, and trigger network failure alarm.
When it is zero to judge variation of ambient temperature rate and relative humidity variations rate, then now fan unit piping is judged
There is fan trouble in system, and triggers fan trouble alarm；Or when judging that fan operation supplemental characteristic is not equal to preset value,
Now fan trouble is can determine whether out, and triggers fan trouble alarm.It is to be appreciated that the preset value of fan operation supplemental characteristic is
0 or 1 alarm preset value, when the data of the operational factor of blower fan feedback are both non-zero nor when 1, illustrate that blower fan is in abnormality,
Therefore, now fan trouble, triggering fan trouble alarm be can determine whether out.
And for example, current environment parameter information meets that the second preparatory condition includes：
Fan coil is after preset time period is reached：
If current environmental temperature data exceed preset temperature threshold value, and current relative humidity data exceed default relative humidity
During threshold value, then judge to freeze failsafe valve, and trigger freezing valve fault alarm.Wherein, preset temperature threshold value includes default
Temperature upper limit and preset temperature lower limit；Default relative humidity threshold value includes default relative humidity higher limit and preset relatively wet
Spend lower limit.
So that preset time period is 5 minutes as an example：
Current environmental temperature data are more than preset temperature higher limit and current environmental temperature is still after preset time period is reached
Continue to rise, and current relative humidity data are more than default relative humidity higher limit and current relative after preset time period is reached
Humidity data continues to rise, then can determine whether out that the freezing valve of now fan coil system breaks down, and trigger freezing valve
Door fault alarm.
And for example, current environmental temperature data are less than preset temperature lower limit and the current environment temperature after preset time period is reached
Degree continues to decline, and current relative humidity data are less than default relative humidity lower limit and current after preset time period is reached
Relative humidity data continues to decline, then can determine whether out that the freezing valve of now fan coil system breaks down, and trigger cold
Freeze failsafe valve alarm.
Or current dense carbon dioxide degrees of data is more than default gas concentration lwevel threshold value, and after arrival preset time period
Current gas concentration lwevel continues to rise, then can determine whether out that now fan coil system fresh air transmission failure occurs and triggered
Fault alarm.
Or current surface cooler temperature data is more than default surface cooler temperature threshold, and it is current after arrival preset time period
Surface cooler temperature continues to rise, then can determine whether out that now water delivery temperature of freezing water occurs in fan coil system or flow is different
Often, and trigger chilled water and send water abnormal alarm.
Further, hospital's fan coil autodiagnosis method of the invention, may also include one or more in above-mentioned upper step
Individual combination.
Refering to Fig. 2, Fig. 2 is a kind of knot of the first embodiment of hospital's fan coil self-diagnosis of trouble device provided by the invention
Structure schematic diagram, hospital's fan coil self-diagnosis of trouble device of the embodiment can be applied to the field of central air-conditioning of hospital clinic,
The device can pass through computer software platform (such as IBM System, i.e. Intelligent Building Management
System, intelligent building management system) and collection be arranged on fan coil on each sensor and execution unit feedback letter
Number judged, can carry out long-range, early warning breakdown judge on backstage, it is effective in advance screen maximum probability will appear from failure or
The fan coil to have broken down, and the reason for prejudge failure, so that property management personnel is according to fault pre-alarming and alarm
Notice, solve fan coil failure in time, ensure that fan coil system is safe and reliable and efficient operation, it is final realize it is timely
Respond the purpose of user's air-conditioning thermal comfort demand and energy-conservation.
As shown in Fig. 2 hospital's fan coil self-diagnosis of trouble device of the embodiment includes acquisition module 10, computing module
20th, signal generator module 30 and control module 40.Each module is illustrated below：
In this embodiment, acquisition module 10 is used to obtain the current environment parameter information of fan coil, current operation ginseng
Number information and subsequent time ambient parameter information.
Specifically, current environment parameter information includes the ambient temperature data, relative humidity data, titanium dioxide at current time
Concentration of carbon data and surface cooler temperature data.
Current operating parameter information includes current chilled water valve opening data and fan operation supplemental characteristic.
Subsequent time ambient parameter information includes：Ambient temperature data, relative humidity data, the carbon dioxide of subsequent time
Concentration data and surface cooler temperature data.
It is to be appreciated that subsequent time is apart from the recent time of origin for obtaining data of current time.Further
The time interval at ground, subsequent time and current time can be set according to the practical operation situation of air-conditioning system, such as may be configured as 1
Minute, 2 minutes, 5 minutes or 15 minutes etc., the present invention is not especially limited.
Preferably, ambient temperature data can carry out data acquisition by existing conventional air temperature sensor, relatively wet
Degrees of data can carry out data acquisition by humidity sensor；Dense carbon dioxide degrees of data can be entered by gas concentration lwevel sensor
Row data acquisition, surface cooler temperature data can carry out data acquisition by infrared temperature sensor.Freeze valve opening data
The open and close of freezing valve then can be included by the aperture data feedback of itself of the freezing valve goalkeeper with feedback performance to controller
Or unlatching ratio etc..
Fan operation supplemental characteristic is included by information datas such as unlatching, stopping or the gear signals of blower fan of blower fan feedback,
The trip information of itself can be fed back to controller by it by possessing the blower fan of feedback performance.
Computing module 20, for based on the current environment parameter information, the subsequent time ambient parameter information, calculating
The rate of change of fan coil ambient parameter in preset time；The preset time be current time and last moment when
Between be spaced.
The rate of change of ambient parameter includes in preset time period：Variation of ambient temperature rate, relative humidity variations rate, titanium dioxide
Concentration of carbon rate of change and surface cooler rate of temperature change.
The ambient parameter information and the ambient parameter of last moment of the fan coil at current time are collected when each sensor
After information, ambient parameter information may be output in IBMS systems the built-in processor with data operation processing function and (or control
Device processed), and the trip information of itself is fed back to processing by each execution unit (such as freezing valve, blower fan) of fan coil
After device, calculated, obtained corresponding according to the ambient parameter information of current environment parameter information and last moment by processor
Rate of change.
Specifically, when the processor (or controller) for having data operation processing function in IBMS systems receives upper a period of time
When carving the data uploaded with current time each sensor, received data is stored in corresponding memory, then pass through place
Reason device is calculated, i.e., by processor that the value at current time and the value of last moment work is poor, then divided by time interval is
Corresponding rate of change can be obtained.
Wherein, processor (or controller) includes but is not limited to microprocessor, microcontroller, digital information processor, micro-
Type calculator, central processing unit etc..
For example, variation of ambient temperature rate is, by the environment temperature numerical value at current time and the environment temperature number of last moment
It is poor that value is made, and obtains the environment temperature difference in preset time period, and then reuse environment temperature gap divided by time interval are (current
Moment and the difference of last moment) variation of ambient temperature rate can be obtained.
Signal generator module 30, for joining in the current environment parameter information, current operating parameter information and environment
Several rates of change meets the first preparatory condition, or during the current environment parameter information the second preparatory condition of satisfaction, produces control
Signal.
When the processor in IBMS systems receives the ambient parameter information of the fan coil at current time, current fan unit
The trip information of pipe, and after calculating the rate of change of ambient parameter, current environment parameter information, current is judged by processor
Whether trip information and the rate of change of ambient parameter meet the first preparatory condition, or current environment parameter information whether
Meet the second preparatory condition.
On the first preparatory condition and the second preparatory condition, can pre-set to obtain by administrative staff.For example, administrative staff
First preparatory condition and the second preparatory condition can be set when central air conditioner system first powers on；Or transported in central air conditioner system
During row, setting of the first preparatory condition and the second preparatory condition etc. is carried out by inputting after a certain preset password, the present invention
Embodiment does not limit.The present invention can store the first preparatory condition set and the second default bar by various memory devices
Part, each memory device can be realized by one or more storage assemblies.
Preferably, in this step, judge current fan coil current environment parameter information, current operating parameter information with
And whether the rate of change of ambient parameter meets that the first preparatory condition may particularly include：
Judge current environmental temperature data, current relative humidity data, current dense carbon dioxide degrees of data, current surface cooler
Whether temperature data is zero, and whether current chilled water valve opening data and fan operation supplemental characteristic are zero, if
A control signal is then produced, the control signal is used to trigger fault alarm.
Or judge that the variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide rate and table are cold
Whether rate of temperature change is zero；If then producing a control signal, the control signal is used to trigger fault alarm.
Or judge whether the variation of ambient temperature rate and relative humidity variations rate are zero；If then produce a control
Signal processed, the control signal are used to trigger fault alarm.
Or judge whether the fan operation supplemental characteristic is equal to preset value, if being not equal to preset value, produce a control
Signal processed, the control signal are used to trigger fault alarm.
Control module 40, for the control signal triggering fault alarm caused by.
Preferably, in this embodiment, control module 40 may particularly include：
Power failure trigger module 401, for the control signal triggering power failure alarm caused by；Or network
Failure trigger module 402, for the control signal triggering network failure alarm caused by；Or fan trouble trigger module
403, for the control signal triggering fan trouble alarm caused by；Or freezing failsafe valve trigger module 404, it is used for
Freezing valve fault alarm is triggered according to caused control signal；Or fresh air conveying exception-triggered module 405, for basis
Caused control signal triggering fresh air transmission failure alarm；Or chilled water send water exception-triggered module 406, for according to institute
Caused control signal triggering chilled water send water abnormal alarm.
The specific control process of each trigger module is as follows：
Judge current ambient temperature data, current relative humidity data and dense carbon dioxide degrees of data for example, working as
And current surface cooler temperature data is zero, and the aperture data of current freezing penstock and fan operation supplemental characteristic are
Zero (i.e. feedback signal is 0), power failure trigger module 401 judges that now power failure occurs in fan coil system, and touch
Electricity fault alarm.
When judging variation of ambient temperature rate, relative humidity variations rate, deep carbon dioxide rate of change and surface cooler temperature
When degree rate of change is zero, network failure trigger module 402 judges that now network communication failure occurs in fan coil system, and
Trigger network failure alarm.
When it is zero to judge variation of ambient temperature rate and relative humidity variations rate, then now fan unit piping is judged
There is fan trouble in system, and triggers fan trouble alarm；Or when judging that fan operation supplemental characteristic is not equal to preset value,
Fan trouble trigger module 403 judges now fan trouble, and triggers fan trouble alarm.It is to be appreciated that fan operation
The preset value of supplemental characteristic is 0 or 1 alarm preset value, when the numerical value in the trip information of blower fan feedback is both non-zero nor 1
When, illustrate that blower fan is in abnormality, therefore, fan trouble trigger module 403 can determine whether out now fan trouble, trigger blower fan
Fault alarm.
Fan coil is after preset time period is reached：
If current environmental temperature data exceed preset temperature threshold value, and current relative humidity data exceed default relative humidity
During threshold value, freezing failsafe valve trigger module 404 is judged to freeze failsafe valve, and triggers freezing valve fault alarm.Wherein,
Preset temperature threshold value includes preset temperature higher limit and preset temperature lower limit；Default relative humidity threshold value includes default relatively wet
Spend higher limit and default relative humidity lower limit.
So that preset time period is 5 minutes as an example：
Current environmental temperature data are more than preset temperature higher limit and current environmental temperature is still after preset time period is reached
Continue to rise, and current relative humidity data are more than default relative humidity higher limit and current relative after preset time period is reached
Humidity data continues to rise, and freezing failsafe valve trigger module 404 can determine whether out the freezing valve of now fan coil system
Break down, and trigger freezing valve fault alarm.
And for example, current environmental temperature data are less than preset temperature lower limit and the current environment temperature after preset time period is reached
Degree continues to decline, and current relative humidity data are less than default relative humidity lower limit and current after preset time period is reached
Relative humidity data continues to decline, and freezing failsafe valve trigger module 404 can determine whether out the freezing of now fan coil system
Valve breaks down, and triggers freezing valve fault alarm.
Or current dense carbon dioxide degrees of data is more than default gas concentration lwevel threshold value, and after arrival preset time period
Current gas concentration lwevel continues to rise, and fresh air conveying exception-triggered module 405 can determine whether out that now fan coil system goes out
Show fresh air transmission failure and trigger fault alarm.
Or current surface cooler temperature data is more than default surface cooler temperature threshold, and it is current after arrival preset time period
Surface cooler temperature continues to rise, and chilled water send water exception-triggered module 406 to can determine whether out that now fan coil system occurs
Water delivery temperature of freezing water or Traffic Anomaly, and trigger chilled water and give water abnormal alarm.
Fig. 3 is a kind of structural representation of the first embodiment of computer installation provided by the invention, the meter of the embodiment
Calculation machine device can be remote control terminal.As shown in figure 3, the computer installation of the embodiment includes processor 200 and memory
100, processor 200 is used to realize hospital's fan coil as described above when performing the computer program stored in memory 100
The step of self-diagnosis of trouble method.
The present invention also provides a kind of readable storage medium storing program for executing, computer program is stored thereon with, moreover, the computer program
The step of hospital's fan coil self-diagnosis of trouble method as described above is realized when being performed by processor 200.
Above example only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art
Scholar can understand present disclosure and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention
The equivalent changes and modifications that scope is done are sought, the covering scope of the claims in the present invention all should be belonged to.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (13)
- A kind of 1. hospital's fan coil self-diagnosis of trouble method, it is characterised in that the self-diagnosis of trouble method comprises the following steps：The ambient parameter information and current operating parameter information of fan coil are obtained, the ambient parameter information includes last moment Ambient parameter information, current environment parameter information and subsequent time ambient parameter information；Based on the current environment parameter information and the last moment ambient parameter information, the fan coil is calculated default The rate of change of ambient parameter in period；The preset time period is the time interval of current time and last moment；If the rate of change of the current environment parameter information, current operating parameter information and ambient parameter meets the first default bar Part, or the current environment parameter information meet the second preparatory condition, then produce control signal；Fault alarm is triggered according to caused control signal.
- 2. hospital's fan coil self-diagnosis of trouble method according to claim 1, it is characterised in that the ambient parameter information Including：Ambient temperature data, relative humidity data, dense carbon dioxide degrees of data and surface cooler temperature data；The current operating parameter information includes：Chilled water valve opening data and fan operation supplemental characteristic；The rate of change of the ambient parameter includes：Variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide Rate and surface cooler rate of temperature change.
- 3. hospital's fan coil self-diagnosis of trouble method according to claim 2, it is characterised in that caused by the basis Control signal triggering fault alarm includes：Power failure alarm is triggered according to caused control signal；OrNetwork failure alarm is triggered according to caused control signal；OrFan trouble alarm is triggered according to caused control signal；OrFreezing valve fault alarm is triggered according to caused control signal；OrThe alarm of fresh air transmission failure is triggered according to caused control signal；OrChilled water is triggered according to caused control signal and send water abnormal alarm；OrCombinations thereof.
- 4. hospital's fan coil self-diagnosis of trouble method according to claim 2, it is characterised in that the current environment parameter The rate of change of information, current operating parameter information and ambient parameter meets that the first preparatory condition includes：Current environmental temperature data, current relative humidity data, current dense carbon dioxide degrees of data and current surface cooler temperature Data are zero, and current chilled water valve opening data and fan operation supplemental characteristic are zero；OrThe variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide rate and the cold rate of temperature change of table are equal It is zero；OrThe variation of ambient temperature rate and relative humidity variations rate are zero；OrThe fan operation supplemental characteristic is not equal to preset value.
- 5. hospital's fan coil self-diagnosis of trouble method according to claim 2, it is characterised in that the current environment parameter Information meets that the second preparatory condition includes：The fan coil is after the preset time period is reached：Current environmental temperature data are more than preset temperature threshold value, and current relative humidity data are more than default relative humidity threshold value； OrCurrent dense carbon dioxide degrees of data is more than default gas concentration lwevel threshold value；OrCurrent surface cooler temperature data is more than default surface cooler temperature threshold.
- 6. hospital's fan coil self-diagnosis of trouble method according to claim 5, it is characterised in that the preset temperature threshold value Including preset temperature higher limit and preset temperature lower limit；The default relative humidity threshold value includes default relative humidity higher limit and default relative humidity lower limit.
- 7. a kind of hospital's fan coil self-diagnosis of trouble device, it is characterised in that the self-diagnosis of trouble device includes：Acquisition module, for obtaining the ambient parameter information and current operating parameter information of fan coil, the ambient parameter letter Breath includes last moment ambient parameter information, current environment parameter information and subsequent time ambient parameter information；Computing module, for based on the current environment parameter information and the last moment ambient parameter information, described in calculating The rate of change of fan coil ambient parameter in preset time；The preset time is subsequent time and the difference at current time；Signal generator module, for the change in the current environment parameter information, current operating parameter information and ambient parameter Rate meets the first preparatory condition, or during the current environment parameter information the second preparatory condition of satisfaction, produces control signal；Control module, for the control signal triggering fault alarm caused by.
- 8. hospital's fan coil self-diagnosis of trouble device according to claim 7, it is characterised in that the ambient parameter information Including：Ambient temperature data, relative humidity data, dense carbon dioxide degrees of data and surface cooler temperature data；The current operating parameter information includes：Chilled water valve opening data and fan operation supplemental characteristic；The rate of change of the ambient parameter includes：Variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide Rate and surface cooler rate of temperature change.
- 9. hospital's fan coil self-diagnosis of trouble device according to claim 8, it is characterised in that the control module bag Include：Power failure trigger module, for the control signal triggering power failure alarm caused by；OrNetwork failure trigger module, for the control signal triggering network failure alarm caused by；OrFan trouble trigger module, for the control signal triggering fan trouble alarm caused by；OrFailsafe valve trigger module is freezed, for the control signal triggering freezing valve fault alarm caused by；OrFresh air transmission failure trigger module, for the control signal triggering fresh air transmission failure alarm caused by；OrChilled water send water exception-triggered module, and water abnormal alarm is sent for the control signal triggering chilled water caused by；Or PersonCombinations thereof.
- 10. hospital's fan coil self-diagnosis of trouble device according to claim 8, it is characterised in that the current environment ginseng The rate of change of number information, current operating parameter information and ambient parameter meets that the first preparatory condition includes：Current environmental temperature data, current relative humidity data, current dense carbon dioxide degrees of data, current surface cooler temperature data It is zero, and current chilled water valve opening data and fan operation supplemental characteristic are zero；OrThe variation of ambient temperature rate, relative humidity variations rate, changes of concentrations of carbon dioxide rate and the cold rate of temperature change of table are equal It is zero；OrThe variation of ambient temperature rate and relative humidity variations rate are zero；OrThe fan operation supplemental characteristic is not equal to preset value.
- 11. hospital's fan coil self-diagnosis of trouble device according to claim 8, it is characterised in that the current environment ginseng Number information meets that the second preparatory condition includes：The fan coil is after the preset time period is reached：Current environmental temperature data are more than preset temperature threshold value, and current relative humidity data are more than default relative humidity threshold value； OrCurrent dense carbon dioxide degrees of data is more than default gas concentration lwevel threshold value；OrCurrent surface cooler temperature data is more than default surface cooler temperature threshold.
- 12. a kind of computer installation, it is characterised in that the computer installation includes processor, and the processor is used to perform Realized during the computer program stored in memory hospital's fan coil failure as described in any one in claim 1-6 oneself The step of examining method.
- 13. a kind of readable storage medium storing program for executing, is stored thereon with computer program, it is characterised in that the computer program is processed The step of hospital's fan coil self-diagnosis of trouble method as described in any one in claim 1-6 is realized when device performs.
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| CN110160210A (en) * | 2019-05-15 | 2019-08-23 | 北京上格云技术有限公司 | Fault detection method, device, storage medium and the electronic equipment of fan coil |
| CN110243052A (en) * | 2019-06-21 | 2019-09-17 | 宁波奥克斯电气股份有限公司 | Air conditioner self checking method, device and air conditioner |
| CN110414022A (en) * | 2018-04-27 | 2019-11-05 | 新疆金风科技股份有限公司 | A kind of method for early warning and system of wind generator set blade cracking |
| CN112710059A (en) * | 2020-12-28 | 2021-04-27 | 椭圆方程（深圳）信息技术有限公司 | Automatic fault diagnosis method and device for building air conditioning cabinet |
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| CN115400858B (en) * | 2022-08-29 | 2024-07-26 | 西安热工研究院有限公司 | Coal mill blocking and grinding early warning method and device and electronic equipment |
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