CN107575996A - Hospital's air conditioner in machine room unit self checking method and device - Google Patents
Hospital's air conditioner in machine room unit self checking method and device Download PDFInfo
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Abstract
The present invention relates to hospital's air conditioner in machine room unit self checking method and device, this method to include：The wind pushing temperature of collection computer room air-conditioner set, indoor temperature, air quantity, the frequency and main air duct pressure feedback signal of frequency converter output in real time；Based on the frequency of wind pushing temperature, indoor temperature, air quantity and frequency converter output, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output are calculated；When wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback signal, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet to impose a condition, output control signal triggering fault alarm.The present invention can in time understand, grasp and the operation conditions of air conditioner in machine room unit is made and judge in advance, effectively ensure the safety and reliability of air conditioner in machine room unit, can both ensure calculator room equipment safe operation, can avoid the energy and the wasting of resources again.
Description
Technical field
The present invention relates to hospital's air conditioner in machine room field, more specifically to a kind of hospital's air conditioner in machine room unit from procuratorial organ
Method and device.
Background technology
Whether the air-conditioner set (CRAC, Computer Room Air conditioning unit) of hospital data computer room
Energy normal operation, whether the semen donors of its regulation and control area of space can meet correlation function requirement seems outstanding in routine maintenance procedure
To be important.
It is typically to have onsite user's complaint or regular visit could pin if traditional air conditioner in machine room unit breaks down
Inspection and discovery to property, lack ageing, it is impossible to understand and grasp the running situation of air conditioner in machine room unit in time, it is impossible to ensure
Security, the reliability of air conditioner in machine room unit, greatly reduce the efficiency of air conditioner in machine room unit, while are also possible to that computer room can be influenceed
The safe operation of interior equipment, the significant wastage of the energy and resource may also be caused while not only sacrificing air conditioning comfortableness.
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 computer room is empty
Adjust unit self checking method and device.
The technical solution adopted for the present invention to solve the technical problems is：A kind of hospital's air conditioner in machine room unit is constructed from procuratorial organ
Method, comprise the following steps：
The wind pushing temperature of collection computer room air-conditioner set, indoor temperature, air quantity, the frequency of frequency converter output and main wind in real time
Road pressure feedback signal；
Based on the frequency of the wind pushing temperature, indoor temperature, air quantity and frequency converter output, wind pushing temperature change is calculated
Rate, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output；
In the wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback signal, air-supply
When rate of temperature change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet to impose a condition,
Output control signal triggers fault alarm.
Preferably, the control signal includes power failure control signal, network failure control signal, frequency converter failure control
Signal, cooling failure control signal, air-supply failure control signal and condensed water water leakage fault control signal processed.
Preferably, the wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback letter
Number, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and frequency converter output frequency change rate meet setting
Condition includes：
The wind pushing temperature, indoor temperature, air quantity and main air duct pressure feedback signal are zero；Or
The wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and main air duct pressure feedback signal are equal
It is zero；Or
The frequency change rate of the frequency converter output is abnormal；The frequency change rate is extremely frequency change rate when default
In from the occasion of be changed into negative value or from negative value be changed on the occasion of.
Preferably, the wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback letter
Number, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and frequency converter output frequency change rate meet setting
Condition, further comprise：
The air quantity is equal to preset value, the wind pushing temperature is equal to preset value, and the indoor temperature is in preset time period
It is interior to be more than preset indoor temperature higher limit；Or the indoor temperature is less than under preset indoor temperature in the preset time period
Limit value；Or
The wind pushing temperature is equal to preset value, and the indoor temperature is more than default Indoor Temperature in the preset time period
Spend higher limit；Or the indoor temperature is less than preset indoor temperature lower limit in the preset time period.
Preferably, methods described also includes：
The alarm signal of monitoring condensed water water leakage monitoring device in real time, and leaked in condensed water leak by the condensed water
Water monitoring device triggers condensed water water leakage alarm signal.
The present invention also provides a kind of hospital's air conditioner in machine room unit self-checking unit, including：
Acquisition module, wind pushing temperature, indoor temperature, air quantity, frequency converter for gathering computer room air-conditioner set in real time export
Frequency and main air duct pressure feedback signal；
Computing module, for the frequency exported based on the wind pushing temperature, indoor temperature, air quantity and frequency converter, calculate
Wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output；
Control module, for frequency, the main air duct pressure exported in the wind pushing temperature, indoor temperature, air quantity, frequency converter
Feedback signal, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output are expired
When foot imposes a condition, output control signal triggering fault alarm.
Preferably, the control signal includes power failure control signal, network failure control signal, frequency converter failure control
Signal, cooling failure control signal, air-supply failure control signal and condensed water water leakage fault control signal processed.
Preferably, the wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback letter
Number, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and frequency converter output frequency change rate meet setting
Condition includes：
The wind pushing temperature, indoor temperature, air quantity and main air duct pressure feedback signal are zero；Or
The wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and main air duct pressure feedback signal are equal
It is zero；Or
The frequency change rate of the frequency converter output is abnormal；The frequency change rate is extremely frequency change rate when default
In from the occasion of be changed into negative value or from negative value be changed on the occasion of.
Preferably, the wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback letter
Number, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and frequency converter output frequency change rate meet setting
Condition, further comprise：
The air quantity is equal to preset value, the wind pushing temperature is equal to preset value, and the indoor temperature is in preset time period
It is interior to be more than preset indoor temperature higher limit；Or the indoor temperature is less than under preset indoor temperature in the preset time period
Limit value；Or
The wind pushing temperature is equal to preset value, and the indoor temperature is more than default Indoor Temperature in the preset time period
Spend higher limit；Or the indoor temperature is less than preset indoor temperature lower limit in the preset time period.
Preferably, in addition to：
Monitoring module, for monitoring the alarm signal of condensed water water leakage monitoring device in real time, and lead in condensed water leak
Cross the condensed water water leakage monitoring device triggering condensed water water leakage alarm signal.
Implement hospital's air conditioner in machine room unit self-diagnosis of trouble method and device of the present invention, have the advantages that：This hair
It is bright by the wind pushing temperature of air-conditioner set, indoor temperature, air quantity, main air duct pressure carry out in real time monitor and handle, can be in machine
Room air-conditioner set is understood and grasped in time when breaking down, and the operation conditions of air conditioner in machine room unit is made and judged in advance, right
Air conditioner in machine room unit makes maintenance and management in advance, is effectively guaranteed the security, reliability and effect of air conditioner in machine room unit
It rate, can both ensure the safe operation of equipment in computer room, the energy and the wasting of resources will not be caused again.
Brief description of the 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 hospital's air conditioner in machine room unit self checking method embodiment one of the present invention；
Fig. 2 is the logic chart of hospital's air conditioner in machine room unit self-checking unit embodiment one.
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.
The present invention is applied to hospital central air-conditioning field, more particularly to hospital data computer room air-conditioner set fault remote oneself
The method of dynamic diagnosis.Lack method that is ageing and sacrificing user's thermal comfort, this hair compared to conventional failure guarantee and inspection
Bright various kinds of sensors and execution unit feedback signal by installed in air conditioner in machine room unit, and background application software (such as IBMS,
Intelligent Building Management System) distant early warning and breakdown judge are carried out, in addition, in existing computer room
Air-conditioner set installs leak alarm sensing device additional, and IBMS software platforms are fed back to by wire/radio network, you can effective to discriminate
The air conditioner in machine room unit of other fault pre-alarming or fault alarm, failure cause is found in time, help property management personnel's timely processing
Problem, ensure the operation of air conditioner in machine room unit reliable and energy-saving and data center module manufacturability demand.
Refering to Fig. 1, Fig. 1 is a kind of flow of hospital's air conditioner in machine room unit self checking method first embodiment provided by the invention
Schematic diagram.Hospital's air conditioner in machine room unit self checking method of the embodiment can be in IBMS systems (i.e. Intelligent Building
Management System, intelligent building management system) on realize, pass through the various kinds of sensors installed in air conditioner in machine room unit
The status signal of data acquisition and each execution unit feedback is carried out, is analyzed and processed by the software in IBMS systems, with reality
Now to the fault pre-alarming and breakdown judge of air conditioner in machine room unit, effective maximum probability of screening will appear from failure or break down
Air conditioner in machine room unit and failure cause, so as to property management personnel's timely processing.
As shown in figure 1, hospital's air conditioner in machine room unit self checking method of the embodiment comprises the following steps：
S11, in real time the collection wind pushing temperature of computer room air-conditioner set, indoor temperature, air quantity, frequency converter output frequency and
Main air duct pressure feedback signal.
Specifically, wind pushing temperature, indoor temperature can carry out data acquisition by temperature sensor, real by temperature sensor
When gather wind pushing temperature and indoor temperature at computer room air-conditioner set air outlet, and by the temperature data real-time Transmission gathered extremely
The background control system of air-conditioner set.Air quantity installed in the air flow sensor of air conditioner in machine room unit by carrying out monitoring and data in real time
Collection, the frequency of frequency converter output are fed directly to the background control system of air-conditioner set, main wind by the monitoring modular of frequency converter
Road pressure feedback signal can be by installed in the pressure monitoring device of main air duct pressure monitoring point monitor and incite somebody to action, main air duct in real time
Pressure condition background control system is fed back in a manner of signal.
In this step, collection of each sensor to data is transmitted as a process for continuing, being spaced, wherein, data are adopted
The time interval of collection can be configured in advance, and such as 1 minute, 2 minutes, 5 minutes or 15 minutes, the present invention is not especially limited.
S12, the frequency based on the output of wind pushing temperature, indoor temperature, air quantity and frequency converter, calculate wind pushing temperature change
Rate, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output.
In this step, the rate of change of wind pushing temperature can be by the wind pushing temperature at current time and the wind pushing temperature of last moment
Make after difference operation again divided by prefixed time interval, to obtain rate of change.For example, it is assumed that the wind pushing temperature of last moment is
Tt-1, the wind pushing temperature at current time is Tt, prefixed time interval is △ t, then the rate of change of wind pushing temperature is (Tt-1-Tt)/△t。
Similarly, indoor temperature, air quantity and frequency converter output frequency rate of change can the computational methods carry out calculating acquisition.
It is to be appreciated that in actual application, collected when each sensor corresponding to information after, real-time Transmission is to rear
The controller of platform management system, controller first cache to the information received, are carried out further according to corresponding rule at analysis
Reason.For example, when the processor (or controller) in IBMS systems with data operation processing function receives last moment and works as
During the data that preceding moment each sensor uploads, received data is stored in corresponding memory, then is carried out by processor
Calculate, i.e., by processor that the value at current time and the value of last moment work is poor, then divided by time interval can obtain phase
The rate of change answered.
Further, the background controller of the present embodiment includes but is not limited to microprocessor, microcontroller, at data signal
Manage device, micro calculator or central processing unit etc..
S13, the frequency exported in wind pushing temperature, indoor temperature, air quantity, frequency converter, main air duct pressure feedback signal, air-supply
When rate of temperature change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet to impose a condition,
Output control signal triggers fault alarm.
On imposing a condition, can pre-set to obtain by administrative staff.For example, administrative staff can be first in central air conditioner system
Set and impose a condition in advance during secondary start.Or can also be a certain pre- by inputting in central air conditioner system running
Setting to be imposed a condition after password etc. is put, the embodiment of the present invention is not specifically limited.The present invention can pass through various storages
What device storage was set imposes a condition, and each memory device can be realized by one or more storage assemblies.
Preferably, in this step, wind pushing temperature, indoor temperature, air quantity, frequency, the main air duct pressure of frequency converter output
Feedback signal, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output are expired
Foot impose a condition including：Wind pushing temperature, indoor temperature, air quantity and main air duct pressure feedback signal are zero；Or air-supply temperature
It is zero to spend rate of change, indoor temperature change generated in case rate, air quantity rate of change and main air duct pressure feedback signal；Or frequency converter output
Frequency change rate be not equal to preset value.
Specifically control and be：When received wind pushing temperature, indoor temperature, air conditioner in machine room unit air quantity and main air duct
The pressure feedback signal of pressure monitoring point is zero, then can determine whether that power failure occurs in air conditioner in machine room unit, and then produce electric power
Failure control signal is alarmed with triggering power failure.
Or when wind pushing temperature rate of change, indoor temperature change generated in case rate, the air quantity rate of change of air conditioner in machine room unit, main air duct pressure
The pressure feedback signal of power monitoring point is zero, then can determine whether that network failure occurs in air conditioner in machine room unit, and then produce network event
Barrier control signal is alarmed with triggering network failure.
Or when the frequency change rate exception of frequency converter output, can determine whether that frequency converter failure occurs in air conditioner in machine room unit,
And then frequency converter failure control signal is produced to trigger frequency converter failure alarm.Here, it should be noted that what frequency converter exported
Frequency change rate extremely for frequency change rate in preset time from the occasion of being changed into negative value or be changed into from negative value on the occasion of that is, pre-
If frequency change rate occurs on the occasion of there is negative value again in the time, i.e., it is on the occasion of being negative value for a moment for a moment.It is to be appreciated that when default
Between be the of short duration time, such as can be 5 seconds etc., wherein, the concrete numerical value of preset time can be set according to field condition, and
Not limited to this example.
Further, wind pushing temperature, indoor temperature, air quantity, frequency converter output frequency, main air duct pressure feedback signal,
Wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet setting bar
Part, further comprise：
Air quantity is equal to preset value, wind pushing temperature is equal to preset value, and indoor temperature is more than default room in preset time period
Interior temperature upper limit；Or indoor temperature is less than preset indoor temperature lower limit in preset time period；Or wind pushing temperature etc.
In preset value, and indoor temperature is more than preset indoor temperature higher limit in preset time period；Or indoor temperature is when default
Between be less than preset indoor temperature lower limit in section.
Specifically control and be：If air conditioner in machine room unit blasting air air quantity is equal to preset value and wind pushing temperature is also equal to preset value, and
Indoor temperature is more than preset indoor temperature higher limit in preset time period, then can determine whether that cooling event occurs in air conditioner in machine room unit
Barrier, and then cooling failure control signal is produced to trigger cooling fault alarm.Or if indoor temperature is less than preset indoor temperature
It lower limit, then can determine whether that cooling failure occurs in air conditioner in machine room unit, and then produce cooling failure control signal to trigger cooling event
Barrier alarm.
For example, it is assumed that air quantity preset value is Vset, wind pushing temperature preset value is 15 degrees Celsius, preset indoor temperature higher limit
For 26.5 degrees Celsius, preset indoor temperature lower limit is 20.5 degrees Celsius, and preset time period is 5 minutes.Then when air conditioner in machine room machine
The air quantity of group is equal to Vset, and wind pushing temperature is equal to 15 degrees Celsius, and indoor temperature continues still to hold for 5 minutes more than 26.5 degrees Celsius
The continuous trend risen；Or indoor temperature continues still to have continuous decrease trend in 5 minutes less than 20.5 degrees Celsius, then can determine whether computer room
There is cooling failure in air-conditioner set, and then produces cooling failure control signal to trigger cooling fault alarm.
And for example, when the wind pushing temperature of air conditioner in machine room unit is equal to preset value (such as 15 degrees Celsius), and indoor temperature be more than it is pre-
If indoor temperature higher limit (such as 26.5 degrees Celsius) and the still lasting rising in 5 minutes, then can determine whether that air conditioner in machine room unit occurs
Air-supply failure, and then air-supply failure control signal is produced to trigger air-supply fault alarm.Or when indoor temperature is less than default room
Interior temperature upper limit value (such as 20.5 degrees Celsius) and the still continuous decrease in 5 minutes, then can determine whether that air conditioner in machine room unit is blown
Failure, and then air-supply failure control signal is produced to trigger air-supply fault alarm.
Preferably, hospital's air conditioner in machine room unit self checking method of the invention also includes：
The alarm signal of monitoring condensed water water leakage monitoring device in real time, and supervised in condensed water leak by condensed water leak
Survey device triggering condensed water water leakage alarm signal.In other words, when the alarm signal of the condensed water water leakage monitoring device of collection is touched
During hair, then can determine whether that condensed water leak occurs in air conditioner in machine room unit corresponding region, so produce condensed water leak control signal with
Trigger condensed water water leakage alarm.
Refering to Fig. 2, Fig. 2 is the logic chart of hospital's air conditioner in machine room unit self-checking unit embodiment one.The hospital of the embodiment
Air conditioner in machine room unit self-checking unit includes：
Acquisition module 10, wind pushing temperature, indoor temperature, air quantity, the frequency converter for gathering computer room air-conditioner set in real time are defeated
The frequency and main air duct pressure feedback signal gone out.
Specifically, wind pushing temperature, indoor temperature can carry out data acquisition by temperature sensor, real by temperature sensor
When gather wind pushing temperature and indoor temperature at computer room air-conditioner set air outlet, and by the temperature data real-time Transmission gathered extremely
The background control system of air-conditioner set.Air quantity installed in the air flow sensor of air conditioner in machine room unit by carrying out monitoring and data in real time
Collection, the frequency of frequency converter output are fed directly to the background control system of air-conditioner set, main wind by the monitoring modular of frequency converter
Road pressure feedback signal can be by installed in the pressure monitoring device of main air duct pressure monitoring point monitor and incite somebody to action, main air duct in real time
Pressure condition background control system is fed back in a manner of signal.
It is to be appreciated that collection of each sensor to data is transmitted as a process for continuing, being spaced, wherein, data are adopted
The time interval of collection can be configured in advance, and such as 1 minute, 2 minutes, 5 minutes or 15 minutes, the present invention is not especially limited.
Computing module 12, for the frequency exported based on wind pushing temperature, indoor temperature, air quantity and frequency converter, calculating is sent
Air temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output.
The rate of change of wind pushing temperature can be carried out making poor fortune by the wind pushing temperature and the wind pushing temperature of last moment at current time
After calculation again divided by prefixed time interval, to obtain rate of change.For example, it is assumed that the wind pushing temperature of last moment is Tt-1, current time
Wind pushing temperature be Tt, prefixed time interval is △ t, then the rate of change of wind pushing temperature is (Tt-1-Tt)/△t.Similarly, Indoor Temperature
Degree, air quantity and frequency converter output frequency rate of change can the computational methods carry out calculating acquisition.
It is to be appreciated that in actual application, collected when each sensor corresponding to information after, real-time Transmission is to rear
The controller of platform management system, controller first cache to the information received, are carried out further according to corresponding rule at analysis
Reason.For example, when the processor (or controller) in IBMS systems with data operation processing function receives last moment and works as
During the data that preceding moment each sensor uploads, received data is stored in corresponding memory, then is carried out by processor
Calculate, i.e., by processor that the value at current time and the value of last moment work is poor, then divided by time interval can obtain phase
The rate of change answered.
Further, the background controller of the present embodiment includes but is not limited to microprocessor, microcontroller, at data signal
Manage device, micro calculator or central processing unit etc..
Control module 11, it is anti-for frequency, the main air duct pressure in wind pushing temperature, indoor temperature, air quantity, frequency converter output
Feedback signal, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet
When imposing a condition, output control signal triggering fault alarm.
On imposing a condition, can pre-set to obtain by administrative staff.For example, administrative staff can be first in central air conditioner system
Set and impose a condition in advance during secondary start.Or can also be a certain pre- by inputting in central air conditioner system running
Setting to be imposed a condition after password etc. is put, the embodiment of the present invention is not specifically limited.The present invention can pass through various storages
What device storage was set imposes a condition, and each memory device can be realized by one or more storage assemblies.
Preferably, wind pushing temperature, indoor temperature, air quantity, frequency converter output frequency, main air duct pressure feedback signal, give
Air temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet to impose a condition
Including：Wind pushing temperature, indoor temperature, air quantity and main air duct pressure feedback signal are zero；Or wind pushing temperature rate of change, room
Interior rate of temperature change, air quantity rate of change and main air duct pressure feedback signal are zero；Or the frequency change of frequency converter output
Rate is not equal to preset value.
Specifically control and be：When received wind pushing temperature, indoor temperature, air conditioner in machine room unit air quantity and main air duct
The pressure feedback signal of pressure monitoring point is zero, then can determine whether that power failure occurs in air conditioner in machine room unit, and then produce electric power
Failure control signal is alarmed with triggering power failure.
Or when wind pushing temperature rate of change, indoor temperature change generated in case rate, the air quantity rate of change of air conditioner in machine room unit, main air duct pressure
The pressure feedback signal of power monitoring point is zero, then can determine whether that network failure occurs in air conditioner in machine room unit, and then produce network event
Barrier control signal is alarmed with triggering network failure.
Or when the frequency change rate exception of frequency converter output, can determine whether that frequency converter failure occurs in air conditioner in machine room unit,
And then frequency converter failure control signal is produced to trigger frequency converter failure alarm.Here, it should be noted that what frequency converter exported
Frequency change rate extremely for frequency change rate in preset time from the occasion of being changed into negative value or be changed into from negative value on the occasion of that is, pre-
If frequency change rate occurs on the occasion of there is negative value again in the time, i.e., it is on the occasion of being negative value for a moment for a moment.It is to be appreciated that when default
Between be the of short duration time, such as can be 5 seconds etc., wherein, the concrete numerical value of preset time can be set according to field condition, and
Not limited to this example.
Further, wind pushing temperature, indoor temperature, air quantity, frequency converter output frequency, main air duct pressure feedback signal,
Wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet setting bar
Part, further comprise：
Air quantity is equal to preset value, wind pushing temperature is equal to preset value, and indoor temperature is more than default room in preset time period
Interior temperature upper limit；Or indoor temperature is less than preset indoor temperature lower limit in preset time period；Or wind pushing temperature etc.
In preset value, and indoor temperature is more than preset indoor temperature higher limit in preset time period；Or indoor temperature is when default
Between be less than preset indoor temperature lower limit in section.
Specifically control and be：If air conditioner in machine room unit blasting air air quantity is equal to preset value and wind pushing temperature is also equal to preset value, and
Indoor temperature is more than preset indoor temperature higher limit in preset time period, then can determine whether that cooling event occurs in air conditioner in machine room unit
Barrier, and then cooling failure control signal is produced to trigger cooling fault alarm.Or if indoor temperature is less than preset indoor temperature
It lower limit, then can determine whether that cooling failure occurs in air conditioner in machine room unit, and then produce cooling failure control signal to trigger cooling event
Barrier alarm.
For example, it is assumed that air quantity preset value is Vset, wind pushing temperature preset value is 15 degrees Celsius, preset indoor temperature higher limit
For 26.5 degrees Celsius, preset indoor temperature lower limit is 20.5 degrees Celsius, and preset time period is 5 minutes.Then when air conditioner in machine room machine
The air quantity of group is equal to Vset, and wind pushing temperature is equal to 15 degrees Celsius, and indoor temperature continues still to hold for 5 minutes more than 26.5 degrees Celsius
The continuous trend risen；Or indoor temperature continues still to have continuous decrease trend in 5 minutes less than 20.5 degrees Celsius, then can determine whether computer room
There is cooling failure in air-conditioner set, and then produces cooling failure control signal to trigger cooling fault alarm.
And for example, when the wind pushing temperature of air conditioner in machine room unit is equal to preset value (such as 15 degrees Celsius), and indoor temperature be more than it is pre-
If indoor temperature higher limit (such as 26.5 degrees Celsius) and the still lasting rising in 5 minutes, then can determine whether that air conditioner in machine room unit occurs
Air-supply failure, and then air-supply failure control signal is produced to trigger air-supply fault alarm.Or when indoor temperature is less than default room
Interior temperature upper limit value (such as 20.5 degrees Celsius) and the still continuous decrease in 5 minutes, then can determine whether that air conditioner in machine room unit is blown
Failure, and then air-supply failure control signal is produced to trigger air-supply fault alarm.
Preferably, hospital's air conditioner in machine room unit self-checking unit of the invention also includes：
Monitoring module, for monitoring the alarm signal of condensed water water leakage monitoring device in real time, and pass through when condensed water leaks
Condensed water water leakage monitoring device triggers condensed water water leakage alarm signal.
I.e. monitoring module monitors the alarm signal of condensed water water leakage monitoring device in real time, and in condensed water leak by cold
Condensate water leakage monitoring device triggers condensed water water leakage alarm signal.In other words, when collection condensed water water leakage monitoring device report
When alert signal is triggered, then monitoring module judges that condensed water leak occurs in air conditioner in machine room unit corresponding region, and then produces condensation
Water leak control signal is to trigger condensed water water leakage alarm.
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 (10)
1. a kind of hospital's air conditioner in machine room unit self checking method, it is characterised in that comprise the following steps：
The wind pushing temperature of collection computer room air-conditioner set, indoor temperature, air quantity, the frequency and main air duct pressure of frequency converter output in real time
Force feedback signal；
Based on the frequency of the wind pushing temperature, indoor temperature, air quantity and frequency converter output, wind pushing temperature rate of change, room are calculated
The frequency change rate of interior rate of temperature change, air quantity rate of change and frequency converter output；
In the wind pushing temperature, indoor temperature, air quantity, the frequency of frequency converter output, main air duct pressure feedback signal, wind pushing temperature
When rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet to impose a condition, output
Control signal triggers fault alarm.
2. hospital's air conditioner in machine room unit self checking method according to claim 1, it is characterised in that the control signal includes
Power failure control signal, network failure control signal, frequency converter failure control signal, cooling failure control signal, air-supply event
Hinder control signal and condensed water water leakage fault control signal.
3. hospital's air conditioner in machine room unit self checking method according to claim 1, it is characterised in that the wind pushing temperature, room
Interior temperature, air quantity, frequency, main air duct pressure feedback signal, wind pushing temperature rate of change, the indoor temperature change generated in case of frequency converter output
Rate, air quantity rate of change and frequency converter output frequency change rate meet impose a condition including：
The wind pushing temperature, indoor temperature, air quantity and main air duct pressure feedback signal are zero；Or
The wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and main air duct pressure feedback signal are zero；
Or
The frequency change rate of the frequency converter output is abnormal；The frequency change rate is extremely frequency change rate in preset time
From on the occasion of be changed into negative value or from negative value be changed on the occasion of.
4. hospital's air conditioner in machine room unit self checking method according to claim 1, it is characterised in that the wind pushing temperature, room
Interior temperature, air quantity, frequency, main air duct pressure feedback signal, wind pushing temperature rate of change, the indoor temperature change generated in case of frequency converter output
The frequency change rate of rate, air quantity rate of change and frequency converter output meets to impose a condition, and further comprises：
The air quantity is equal to preset value, the wind pushing temperature is equal to preset value, and the indoor temperature is big in preset time period
In preset indoor temperature higher limit；Or the indoor temperature is less than preset indoor temperature lower limit in the preset time period
Value；Or
The wind pushing temperature is equal to preset value, and the indoor temperature is more than in preset indoor temperature in the preset time period
Limit value；Or the indoor temperature is less than preset indoor temperature lower limit in the preset time period.
5. hospital's air conditioner in machine room unit self checking method according to claim 1, it is characterised in that methods described also includes：
The alarm signal of monitoring condensed water water leakage monitoring device in real time, and supervised in condensed water leak by the condensed water leak
Survey device triggering condensed water water leakage alarm signal.
A kind of 6. hospital's air conditioner in machine room unit self-checking unit, it is characterised in that including：
Acquisition module, the frequency that wind pushing temperature, indoor temperature, air quantity, frequency converter for gathering computer room air-conditioner set in real time export
Rate and main air duct pressure feedback signal；
Computing module, for the frequency exported based on the wind pushing temperature, indoor temperature, air quantity and frequency converter, calculate air-supply
Rate of temperature change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output；
Control module, for frequency, the main air duct pressure feedback exported in the wind pushing temperature, indoor temperature, air quantity, frequency converter
Signal, wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and the frequency change rate of frequency converter output meet to set
During fixed condition, output control signal triggering fault alarm.
7. hospital's air conditioner in machine room unit self-checking unit according to claim 6, it is characterised in that the control signal includes
Power failure control signal, network failure control signal, frequency converter failure control signal, cooling failure control signal, air-supply event
Hinder control signal and condensed water water leakage fault control signal.
8. hospital's air conditioner in machine room unit self-checking unit according to claim 6, it is characterised in that the wind pushing temperature, room
Interior temperature, air quantity, frequency, main air duct pressure feedback signal, wind pushing temperature rate of change, the indoor temperature change generated in case of frequency converter output
Rate, air quantity rate of change and frequency converter output frequency change rate meet impose a condition including：
The wind pushing temperature, indoor temperature, air quantity and main air duct pressure feedback signal are zero；Or
The wind pushing temperature rate of change, indoor temperature change generated in case rate, air quantity rate of change and main air duct pressure feedback signal are zero；
Or
The frequency change rate of the frequency converter output is abnormal；The frequency change rate is extremely frequency change rate in preset time
From on the occasion of be changed into negative value or from negative value be changed on the occasion of.
9. hospital's air conditioner in machine room unit self-checking unit according to claim 6, it is characterised in that the wind pushing temperature, room
Interior temperature, air quantity, frequency, main air duct pressure feedback signal, wind pushing temperature rate of change, the indoor temperature change generated in case of frequency converter output
The frequency change rate of rate, air quantity rate of change and frequency converter output meets to impose a condition, and further comprises：
The air quantity is equal to preset value, the wind pushing temperature is equal to preset value, and the indoor temperature is big in preset time period
In preset indoor temperature higher limit；Or the indoor temperature is less than preset indoor temperature lower limit in the preset time period
Value；Or
The wind pushing temperature is equal to preset value, and the indoor temperature is more than in preset indoor temperature in the preset time period
Limit value；Or the indoor temperature is less than preset indoor temperature lower limit in the preset time period.
10. hospital's air conditioner in machine room unit self-checking unit according to claim 6, it is characterised in that also include：
Monitoring module, for monitoring the alarm signal of condensed water water leakage monitoring device in real time, and pass through institute in condensed water leak
State condensed water water leakage monitoring device triggering condensed water water leakage alarm signal.
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| CN113074833A (en) * | 2021-03-31 | 2021-07-06 | 重庆广通实业发展有限责任公司 | Machine room health state early warning system and method |
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