CN108548283A - A kind of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method and device - Google Patents
A kind of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method and device Download PDFInfo
- Publication number
- CN108548283A CN108548283A CN201810175357.1A CN201810175357A CN108548283A CN 108548283 A CN108548283 A CN 108548283A CN 201810175357 A CN201810175357 A CN 201810175357A CN 108548283 A CN108548283 A CN 108548283A
- Authority
- CN
- China
- Prior art keywords
- chilled water
- electrically operated
- operated valve
- frequency
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting methods and device, this method to include：When the refrigeration host computer normal operation of Air Conditioning Facilities, the first aperture of all electrically operated valves in K moment air conditioning terminal combined type wind cabinets is obtained, the electrically operated valve quantity N1 more than threshold value is determined according to the first aperture；If electrically operated valve quantity N1 meets the first preset condition, the first running frequency of chilled water pump is turned down according to setpoint frequency；If electrically operated valve quantity N1 meets the second preset condition, the first running frequency of chilled water pump is kept；If electrically operated valve quantity N1 meets third preset condition, the first running frequency of chilled water pump is turned up according to setpoint frequency.The present invention by monitoring the aperture of air conditioning terminal combined type wind cabinet electrically operated valve in real time, the running frequency of adjustment chilled water pump in real time, and the real time temperature of chilled water is combined to adjust, achieve the purpose that the supply water temperature for effectively adjusting chilled water, improves that hospital Air Conditioning Facilities freezing aquatic products is cold and cooling efficiency.
Description
Technical field
The present invention relates to Air Conditioning Facilities fields, more specifically to a kind of hospital's Air Conditioning Facilities chilled water supply water temperature
Adjusting method and device.
Background technology
The setting means of the supply water temperature generally use fixed value of the chilled water of traditional central air conditioner system refrigeration host computer,
I.e. before refrigeration host computer brings into operation, the supply water temperature of chilled water is set in advance, and when refrigeration host computer brings into operation, with this
Fixed supply water temperature cooling.This mode is although easy to operate, but the efficiency for being unable to refrigeration host computer compare it is relatively low.
Above-mentioned temperature setting means for some it is specific build, such as hospital, due to it is most in hospital 1 year when
Between be in the sub-load section of refrigeration duty therefore then cannot effectively lift portion load setting system according to aforesaid way
The efficiency of cold host, it is opposite it is also possible to reducing the efficiency of refrigeration host computer.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of hospital's air conditioner
Room chilled water supply water temperature adjusting method and device.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of hospital's Air Conditioning Facilities chilled water water supply
Temperature control method includes the following steps：
When the refrigeration host computer normal operation of Air Conditioning Facilities, obtain all electronic in K moment, air conditioning terminal combined type wind cabinet
First aperture of valve determines the electrically operated valve quantity N1 more than threshold value according to first aperture；
If the electrically operated valve quantity N1 meets the first preset condition, according to setpoint frequency, the first of chilled water pump is turned down
Running frequency；
If the electrically operated valve quantity N1 meets the second preset condition, the first running frequency and the freezing of chilled water pump are kept
The supply water temperature of water；
If the electrically operated valve quantity N1 meets third preset condition, according to the setpoint frequency, chilled water pump is turned up
First running frequency.
Preferably, if the electrically operated valve quantity N1 meets the first preset condition, according to setpoint frequency, freezing is turned down
Include after first running frequency step of water pump：
After refrigeration host computer operation preset time period t：
Detect the K+t moment, all electrically operated valves the second aperture, and determine all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the first preset condition, chilled water pump is turned down according to the setpoint frequency and is existed
Second running frequency at K+t moment, until the running frequency of chilled water pump reaches lower frequency limit；
When the running frequency of chilled water pump reaches lower frequency limit, preset if the electrically operated valve quantity N2 still meets first
The supply water temperature of chilled water is then turned up in condition according to set temperature.
Preferably, if the electrically operated valve quantity N1 meets the first preset condition, according to setpoint frequency, freezing is turned down
Include after the running frequency step of water pump：
After refrigeration host computer operation preset time period t：
Detect the K+t moment, all electrically operated valves the second aperture, and determine all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the second preset condition, supply water temperature of the holding chilled water at the K+t moment
With the second running frequency of chilled water pump；
If the electrically operated valve quantity N2 meets third preset condition, chilled water pump is turned up according to the setpoint frequency
Second running frequency, until the running frequency of chilled water pump reaches upper limiting frequency；
When the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve quantity N2 still meets third and presets
Condition then turns down the supply water temperature of chilled water according to set temperature.
Preferably, if the electrically operated valve quantity N1 meets third preset condition, according to the setpoint frequency, height-regulating
Include after first running frequency step of chilled water pump：
After refrigeration host computer operation preset time period t：
The second aperture of K+t moment all electrically operated valves is detected, and determines all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the first preset condition, chilled water pump is turned down according to the setpoint frequency and is existed
Second running frequency at K+t moment, until the running frequency of chilled water pump reaches lower frequency limit；
When the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve quantity N2 meets the first default item
The supply water temperature of chilled water is then turned up in part according to set temperature.
Preferably, if the electrically operated valve quantity N1 meets third preset condition, according to the setpoint frequency, height-regulating
Include after first running frequency step of chilled water pump：
After refrigeration host computer operation preset time period t：
The second aperture of K+t moment all electrically operated valves is detected, and determines all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the second preset condition, supply water temperature of the holding chilled water at the K+t moment
With the second running frequency of chilled water pump；
If the electrically operated valve quantity N2 meets third preset condition, chilled water pump is turned up according to the setpoint frequency
Second running frequency, until the running frequency of chilled water pump reaches upper limiting frequency；
When the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve quantity N2 still meets third and presets
Condition then turns down the supply water temperature of chilled water according to set temperature.
The present invention also provides a kind of hospital's Air Conditioning Facilities chilled water water supply temperature regulating devices, including：
Acquiring unit when being used for the refrigeration host computer normal operation of Air Conditioning Facilities, obtains K moment, air conditioning terminal combined type
First aperture of all electrically operated valves in wind cabinet determines the electrically operated valve quantity N1 more than threshold value according to first aperture；
First execution unit according to setpoint frequency, is adjusted if meeting the first preset condition for the electrically operated valve quantity N1
First running frequency of low chilled water pump；
Second execution unit keeps chilled water pump if meeting the second preset condition for the electrically operated valve quantity N1
The supply water temperature of first running frequency and chilled water；
Third execution unit, if meeting third preset condition for the electrically operated valve quantity N1, according to setting frequency
Rate, the first running frequency that chilled water pump is turned up.
Preferably, further include：
First determining module, the second aperture for detecting K+t moment, all electrically operated valves, and determine air conditioning terminal
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in combined type wind cabinet；
First FM module, if meeting the first preset condition for the electrically operated valve quantity N2, according to the setting
Frequency turns down second running frequency of the chilled water pump at the K+t moment, until the running frequency of chilled water pump reaches lower frequency limit；
First temperature-regulating module, for when the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve number
Amount N2 still meets the first preset condition, then the supply water temperature of chilled water is turned up according to set temperature.
Preferably, further include：
Second determining module, the second aperture for detecting K+t moment, all electrically operated valves, and determine air conditioning terminal
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in combined type wind cabinet；
First keeps module, if meeting the second preset condition for the electrically operated valve quantity N2, keeps chilled water in K
The supply water temperature of+t moment and the second running frequency of chilled water pump；
Second FM module, if meeting third preset condition for the electrically operated valve quantity N2, according to the setting
The second running frequency of chilled water pump is turned up in frequency, until the running frequency of chilled water pump reaches upper limiting frequency；
Second temperature-regulating module, for when the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve number
Amount N2 still meets third preset condition, then the supply water temperature of chilled water is turned down according to set temperature.
Preferably, further include：
Third determining module, the second aperture for detecting K+t moment all electrically operated valves, and determine air conditioning terminal group
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in box-like wind cabinet；
Third FM module, if meeting the first preset condition for the electrically operated valve quantity N2, according to the setting
Frequency turns down second running frequency of the chilled water pump at the K+t moment, until the running frequency of chilled water pump reaches lower frequency limit；
Third temperature-regulating module, for when the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve number
It measures N2 and meets the first preset condition, then the supply water temperature of chilled water is turned up according to set temperature.
Preferably, further include：
4th determining module, the second aperture for detecting K+t moment all electrically operated valves, and determine air conditioning terminal group
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in box-like wind cabinet；
Second keeps module, if meeting the second preset condition for the electrically operated valve quantity N2, keeps chilled water in K
The supply water temperature of+t moment and the second running frequency of chilled water pump；
4th FM module, if meeting third preset condition for the electrically operated valve quantity N2, according to the setting
The second running frequency of chilled water pump is turned up in frequency, until the running frequency of chilled water pump reaches upper limiting frequency；
4th temperature-regulating module, for when the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve number
Amount N2 still meets third preset condition, then the supply water temperature of chilled water is turned down according to set temperature.
The hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method for implementing the present invention, has the advantages that：This hair
The bright aperture by monitoring air conditioning terminal combined type wind cabinet electrically operated valve in real time adjusts the running frequency of chilled water pump in real time, and
It is adjusted in conjunction with the real time temperature of chilled water, to achieve the purpose that effectively to adjust the supply water temperature of chilled water, improves hospital
Air Conditioning Facilities freeze that aquatic products is cold and cooling efficiency.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is a kind of stream of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method first embodiment provided by the invention
Journey schematic diagram；
Fig. 2 is a kind of stream of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method second embodiment provided by the invention
Journey schematic diagram；
Fig. 3 is a kind of stream of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method 3rd embodiment provided by the invention
Journey schematic diagram；
Fig. 4 is a kind of work(of hospital's Air Conditioning Facilities chilled water water supply temperature regulating device first embodiment provided by the invention
It can module map；
Fig. 5 is a kind of work(of hospital's Air Conditioning Facilities chilled water water supply temperature regulating device second embodiment provided by the invention
It can module map；
Fig. 6 is a kind of work(of hospital's Air Conditioning Facilities chilled water water supply temperature regulating device 3rd embodiment provided by the invention
It can module map.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
With reference to figure 1, Fig. 1 is that a kind of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method first provided by the invention is real
Apply the flow diagram of example.In this embodiment, this approach includes the following steps：
Step S10, it when the refrigeration host computer normal operation of Air Conditioning Facilities, obtains in K moment, air conditioning terminal combined type wind cabinet
First aperture of all electrically operated valves determines the electrically operated valve quantity N1 more than threshold value according to the first aperture.
It is to be appreciated that the K moment is any time in the refrigeration host computer normal course of operation in Air Conditioning Facilities.
In the embodiment, all electrically operated valves in air conditioning terminal combined type wind cabinet are adjustable electric valve, each electricity
The adjustable extent of the aperture of movable valve is 0%-100%.Wherein, the real-time aperture of electrically operated valve can be by air-conditioning system
Controller monitors acquisition in real time.Specifically, all electrically operated valves in air conditioning terminal combined type wind cabinet carry out in fact with controller
When data communicate, when the aperture of any one electrically operated valve changes, can feed back an electric signal to controller, controller connect
It receives and the aperture that processing conversion obtains the electrically operated valve is carried out to the electric signal.
Specifically, at the K moment, the aperture feelings of all electrically operated valves corresponding to air conditioning terminal combined type wind cabinet are detected
Condition, and the aperture of each electrically operated valve is recorded, and then count the quantity that aperture is more than the electrically operated valve of threshold value.Optionally, originally
The aperture threshold value of the electrically operated valve of invention can be set as 95%.
It is to be appreciated that the first aperture is an array, i.e. the first aperture is all electricity of air conditioning terminal combined type wind cabinet
Real-time aperture of the movable valve at the K moment.For example, if there are three electrically operated valve, these three electricity altogether for air conditioning terminal combined type wind cabinet
Aperture of the movable valve at the K moment is respectively 80%, 85%, 90%, then the first aperture={ 80%, 85%, 90% }.
If step S20, electrically operated valve quantity N1 meets the first preset condition, according to setpoint frequency, chilled water pump is turned down
First running frequency.
First running frequency is real time execution frequency of the chilled water pump at the K moment.Setpoint frequency can currently run frequency
The 10% of rate, i.e., using the 10% of current operation frequency as the amplitude of accommodation.
In the embodiment, the first preset condition is：At the K moment, all electrically operated valves of air conditioning terminal combined type wind cabinet
Aperture neither one be more than 95%, i.e., at the K moment, the valvular aperture of institute of air conditioning terminal combined type wind cabinet is below
95%.Therefore, at the K moment, if electrically operated valve quantity N1 is less than 1, that is to say, that when N1 is equal to 0, according to setpoint frequency tune
First running frequency of low chilled water pump.
Specifically, at the K moment, when N1 is equal to 0, the first running frequency is turned down according to the 10% of the first running frequency,
Obtain the second running frequency.I.e.
Wherein, f1 ch,pumpIndicate the first running frequency, f2 ch,pumpIndicate the second running frequency.N1KIndicate the K moment, the
One aperture is more than the quantity of the electrically operated valve of threshold value.
The present invention determines that the valvular aperture neither one of institute of air conditioning terminal combined type wind cabinet is more than at the K moment
When 95%, control is adjusted to the running frequency of chilled water pump immediately, has been reached rapidly to chilled water supply and semen donors
Control, accelerate the response speed to indoor comfort, be more suitable for the situation of peak period building load fluctuation, such as in morning
The upper or dusk, indoor comfort degree can be preferably adjusted, the comfort of indoor occupant is promoted.
If step S30, electrically operated valve quantity N1 meet the second preset condition, keep chilled water pump the first running frequency and
The supply water temperature of chilled water.
The supply water temperature of chilled water is supply water temperature of the chilled water at the K moment, wherein the supply water temperature of chilled water can be with
Data acquisition is carried out by the water temperature sensor being arranged in chilled water feed pipe to obtain.
In the embodiment, the second preset condition is：At the K moment, all electrically operated valves of air conditioning terminal combined type wind cabinet
Aperture one and only one be more than 95%, i.e. N1 be equal to 1.If that is, at the K moment, in all electrically operated valves only
The aperture of one electrically operated valve is more than 95%, at this point, not executing any adjusting to the supply water temperature of chilled water pump and chilled water, only
The supply water temperature of running frequency (the first running frequency) and current chilled water that chilled water pump need to be kept current.
If step S40, electrically operated valve quantity N1 meets third preset condition, according to setpoint frequency, chilled water pump is turned up
First running frequency.
In the embodiment, third preset condition is；At the K moment, all electrically operated valves of air conditioning terminal combined type wind cabinet
Aperture have 2 or 2 or more, i.e. N1 is greater than or equal to 2.When N1 is greater than or equal to 2, chilled water is turned up according to setpoint frequency
First running frequency of pump obtains the second running frequency, at this point, first running frequency of the second running frequency=1.1.I.e.
It is to be appreciated that the second running frequency is not a fixed numerical value it can be seen from step S20 and step S30,
It changes with the different adjustment to the running frequency of chilled water pump.
The present invention determines that the valvular aperture of institute of air conditioning terminal combined type wind cabinet has 2 or 2 or more at the K moment
When more than 95%, control is adjusted to the running frequency of chilled water pump immediately, has been reached rapidly to chilled water supply and confession
The control of cold accelerates the response speed to indoor comfort, is more suitable for the situation of peak period building load fluctuation, such as
In the morning or at dusk, indoor comfort degree can be preferably adjusted, the comfort of indoor occupant is promoted.
As shown in Fig. 2, being hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method second embodiment provided by the invention
Flow diagram.The present embodiment is on the basis of first embodiment, further includes step after step S20 further
S211, step S212 and step S213.
Specifically：
Step S211, after refrigeration host computer operation preset time period t：
Detect the K+t moment, all electrically operated valves the second aperture, and determine all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value.
Due to that at the K moment, after the first running frequency of chilled water pump is adjusted, can not reach required immediately
Effect, therefore, it is necessary to continue to monitor to the operating status of refrigeration host computer after adjustment, i.e., when turning down chilled water according to setpoint frequency
After first running frequency of pump, after refrigeration host computer runs preset time period t, continue to detect institute in air conditioning terminal combined type wind cabinet
There is the aperture situation of electrically operated valve.
Specifically, the second aperture of all electrically operated valves in air conditioning terminal combined type wind cabinet is acquired at the K+t moment, and from
It in second aperture, selects aperture and is more than the motor-driven valve of threshold value, and count the quantity of motor-driven valve, that is, count the second aperture and be more than threshold value
Electrically operated valve quantity N2.
If step S212, electrically operated valve quantity N2 meets the first preset condition, chilled water pump is turned down according to setpoint frequency
In second running frequency at K+t moment, until the running frequency of chilled water pump reaches lower frequency limit.
In this embodiment, the lower frequency limit of chilled water pump is generally 35Hz.
Specifically, when the K+t moment, when the electrically operated valve quantity N2 that aperture is more than threshold value is equal to 0, then according to setpoint frequency
The second running frequency of chilled water pump is turned down, until the running frequency of chilled water pump reaches 35Hz.When the operation frequency of chilled water pump
When rate reaches 35Hz, step S213 is executed.
Step S213, when the running frequency of chilled water pump reaches lower frequency limit, if electrically operated valve quantity N2 still meets
The supply water temperature of chilled water is then turned up in one preset condition according to set temperature.
When the running frequency of chilled water pump reaches lower frequency limit, continue the aperture situation for monitoring all electrically operated valves, such as
Fruit is more than at this time 95% still without the aperture of an electrically operated valve, then be accordingly turned up according to set temperature chilled water for water temperature
Degree.I.e.
Wherein, Tk+t supIndicate the setting value of K+t moment chilled water supply water temperatures, Tk supIndicate that K moment chilled waters supply
The measured value of coolant-temperature gage.
Further, further include step S221, step S222 and step S223 after step S20.
Step S221, after refrigeration host computer operation preset time period t：
Detect the K+t moment, all electrically operated valves the second aperture, and determine all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value.
If step S222, electrically operated valve quantity N2 meets the second preset condition, water supply of the holding chilled water at the K+t moment
Second running frequency of temperature and chilled water pump.
If step S223, electrically operated valve quantity N2 meets third preset condition, chilled water pump is turned up according to setpoint frequency
The second running frequency, until the running frequency of chilled water pump reaches upper limiting frequency.
In this embodiment, the upper limiting frequency of chilled water pump is generally 50Hz.
Specifically, when the K+t moment, the electrically operated valve quantity N2 that aperture is more than threshold values has 2 or 2 or more, then basis
The second running frequency of chilled water pump is turned up in setpoint frequency, until the running frequency of chilled water pump reaches 50Hz.Work as chilled water pump
Running frequency when reaching 50Hz, execute step S224.
Step S224, when the running frequency of chilled water pump reaches upper limiting frequency, if electrically operated valve quantity N2 still meets
Three preset conditions then turn down the supply water temperature of chilled water according to set temperature.
When the running frequency of chilled water pump reaches upper limiting frequency, continue the aperture situation for monitoring all electrically operated valves, such as
It is more than 95% that fruit has the aperture of 2 or 2 or more electrically operated valves at this time, then according to the temperature of setting height-regulating chilled water for water temperature
Degree.I.e.
Wherein, fk+t ch,pumpIndicate the running frequency of K+t moment chilled water pumps, fk ch,pumpIndicate K moment chilled waters
The running frequency of pump.
As shown in figure 3, to invent the hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method 3rd embodiment provided
Flow diagram.The present embodiment is on the basis of first embodiment, into one, after the step s 40, further include step S411,
Step S412 and step S413.
Specifically：
Step S411, after refrigeration host computer operation preset time period t：
The second aperture of K+t moment all electrically operated valves is detected, and determines all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value.
Specifically, the second aperture of all electrically operated valves in air conditioning terminal combined type wind cabinet is acquired at the K+t moment, and from
It in second aperture, selects aperture and is more than the motor-driven valve of threshold value, and count the quantity of motor-driven valve, that is, count the second aperture and be more than threshold value
Electrically operated valve quantity N2.
If step S412, electrically operated valve quantity N2 meets the first preset condition, chilled water pump is turned down according to setpoint frequency
In second running frequency at K+t moment, until the running frequency of chilled water pump reaches lower frequency limit.
In this embodiment, the lower frequency limit of chilled water pump is generally 35Hz.
Specifically, when the K+t moment, when the electrically operated valve quantity N2 that aperture is more than threshold value is equal to 0, then according to setpoint frequency
The second running frequency of chilled water pump is turned down, until the running frequency of chilled water pump reaches 35Hz.When the operation frequency of chilled water pump
When rate reaches 35Hz, step S213 is executed.
Step S413, when the running frequency of chilled water pump reaches lower frequency limit, if electrically operated valve quantity N2 meets first
The supply water temperature of chilled water is then turned up in preset condition according to set temperature.
When the running frequency of chilled water pump reaches lower frequency limit, continue the aperture situation for monitoring all electrically operated valves, such as
Fruit is more than at this time 95% still without the aperture of an electrically operated valve, then the supply water temperature of chilled water is turned up according to set temperature.I.e.
Wherein, Tk+t supIndicate the setting value of K+t moment chilled water supply water temperatures, Tk supIndicate that K moment chilled waters supply
The measured value of coolant-temperature gage.
Further, after the step s 40, further include step S421, step S422 and step S423.
Step S421, after refrigeration host computer operation preset time period t：
The second aperture of K+t moment all electrically operated valves is detected, and determines all electricity in air conditioning terminal combined type wind cabinet
Second aperture of movable valve is more than the electrically operated valve quantity N2 of threshold value.
If step S422, electrically operated valve quantity N2 meets the second preset condition, water supply of the holding chilled water at the K+t moment
Second running frequency of temperature and chilled water pump.
If step S423, electrically operated valve quantity N2 meets third preset condition, chilled water pump is turned up according to setpoint frequency
The second running frequency, until the running frequency of chilled water pump reaches upper limiting frequency.
In this embodiment, the upper limiting frequency of chilled water pump is generally 50Hz.
Specifically, when the K+t moment, the electrically operated valve quantity N2 that aperture is more than threshold values has 2 or 2 or more, then basis
The second running frequency of chilled water pump is turned up in setpoint frequency, until the running frequency of chilled water pump reaches 50Hz.Work as chilled water pump
Running frequency when reaching 50Hz, execute step S424.
Step S424, when the running frequency of chilled water pump reaches upper limiting frequency, if electrically operated valve quantity N2 still meets
Three preset conditions then turn down the supply water temperature of chilled water according to set temperature.
When the running frequency of chilled water pump reaches upper limiting frequency, continue the aperture situation for monitoring all electrically operated valves, such as
It is more than 95% that fruit has the aperture of 2 or 2 or more electrically operated valves at this time, then according to the temperature of setting turn down chilled water for water temperature
Degree.I.e.
Wherein, fk+t ch,pumpIndicate the running frequency of K+t moment chilled water pumps, fk ch,pumpIndicate K moment chilled waters
The running frequency of pump.
As shown in figure 4, real for a kind of hospital's Air Conditioning Facilities chilled water water supply temperature regulating device first provided by the invention
The structural schematic diagram of example is applied, the water supply temperature regulating device of the embodiment includes：
Acquiring unit 10 when being used for the refrigeration host computer normal operation of Air Conditioning Facilities, obtains K moment, air conditioning terminal combination
First aperture of all electrically operated valves in formula wind cabinet determines the electrically operated valve quantity N1 more than threshold value according to the first aperture.
First execution unit 20 according to setpoint frequency, is turned down if meeting the first preset condition for electrically operated valve quantity N1
First running frequency of chilled water pump.
Second execution unit 40 keeps the of chilled water pump if meeting the second preset condition for electrically operated valve quantity N1
The supply water temperature of one running frequency and chilled water.
Third execution unit 30 according to setpoint frequency, is turned up if meeting third preset condition for electrically operated valve quantity N1
First running frequency of chilled water pump.
As shown in figure 5, real for a kind of hospital's Air Conditioning Facilities chilled water water supply temperature regulating device second provided by the invention
The functional block diagram for applying example further comprises on the basis of the water supply temperature regulating device is in first embodiment：
First determining module 211, the second aperture for detecting K+t moment, all electrically operated valves, and determine air-conditioning end
The second aperture of all electrically operated valves in combined type wind cabinet is held to be more than the electrically operated valve quantity N2 of threshold value.
First FM module 212, if meeting the first preset condition for electrically operated valve quantity N2, according to setpoint frequency tune
Second running frequency of the low chilled water pump at the K+t moment, until the running frequency of chilled water pump reaches lower frequency limit.
First temperature-regulating module 213, for when the running frequency of chilled water pump reaches lower frequency limit, if electrically operated valve quantity
N2 still meets the first preset condition, then the supply water temperature of chilled water is turned up according to set temperature.
Second determining module 221, the second aperture for detecting K+t moment, all electrically operated valves, and determine air-conditioning end
The second aperture of all electrically operated valves in combined type wind cabinet is held to be more than the electrically operated valve quantity N2 of threshold value.
First keeps module 224, if meeting the second preset condition for electrically operated valve quantity N2, keeps chilled water in K+
The supply water temperature of t moment and the second running frequency of chilled water pump.
Second FM module 222, if meeting third preset condition for electrically operated valve quantity N2, according to setpoint frequency tune
Second running frequency of high chilled water pump, until the running frequency of chilled water pump reaches upper limiting frequency.
Second temperature-regulating module 223, for when the running frequency of chilled water pump reaches upper limiting frequency, if electrically operated valve quantity
N2 still meets third preset condition, then the supply water temperature of chilled water is turned down according to set temperature.
As shown in fig. 6, being hospital's Air Conditioning Facilities chilled water water supply temperature regulating device 3rd embodiment provided by the invention
Structural schematic diagram, the water supply temperature regulating device of the embodiment further comprises on the basis of first embodiment：
Third determining module 311, the second aperture for detecting K+t moment all electrically operated valves, and determine air-conditioning end
The second aperture of all electrically operated valves in combined type wind cabinet is held to be more than the electrically operated valve quantity N2 of threshold value.
Third FM module 312, if meeting the first preset condition for electrically operated valve quantity N2, according to setpoint frequency tune
Second running frequency of the low chilled water pump at the K+t moment, until the running frequency of chilled water pump reaches lower frequency limit.
Third temperature-regulating module 313, for when the running frequency of chilled water pump reaches lower frequency limit, if electrically operated valve quantity
N2 meets the first preset condition, then the supply water temperature of chilled water is turned up according to set temperature.
4th determining module 321, the second aperture for detecting K+t moment all electrically operated valves, and determine air-conditioning end
The second aperture of all electrically operated valves in combined type wind cabinet is held to be more than the electrically operated valve quantity N2 of threshold value.
Second keeps module 324, if meeting the second preset condition for electrically operated valve quantity N2, keeps chilled water in K+
The supply water temperature of t moment and the second running frequency of chilled water pump.
4th FM module 322, if meeting third preset condition for electrically operated valve quantity N2, according to setpoint frequency tune
Second running frequency of high chilled water pump, until the running frequency of chilled water pump reaches upper limiting frequency.
4th temperature-regulating module 323, for when the running frequency of chilled water pump reaches upper limiting frequency, if electrically operated valve quantity
N2 still meets third preset condition, then the supply water temperature of chilled water is turned down according to set temperature.
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 range is done are sought, the covering scope of the claims in the present invention should all be belonged to.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
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 Conditioning Facilities chilled water supply water temperature adjusting method, which is characterized in that include the following steps：
When the refrigeration host computer normal operation of Air Conditioning Facilities, all electrically operated valves in K moment, air conditioning terminal combined type wind cabinet are obtained
The first aperture, according to first aperture determine more than threshold value electrically operated valve quantity N1；
If the electrically operated valve quantity N1 meets the first preset condition, according to setpoint frequency, the first operation of chilled water pump is turned down
Frequency；
If the electrically operated valve quantity N1 meets the second preset condition, the first running frequency and chilled water of chilled water pump are kept
Supply water temperature；
If the electrically operated valve quantity N1 meets third preset condition, according to the setpoint frequency, it is turned up the first of chilled water pump
Running frequency.
2. hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method according to claim 1, which is characterized in that if described
The electrically operated valve quantity N1 meets the first preset condition, is walked according to setpoint frequency, the first running frequency for turning down chilled water pump
Include after rapid：
After refrigeration host computer operation preset time period t：
Detect the K+t moment, all electrically operated valves the second aperture, and determine all motor-driven valves in air conditioning terminal combined type wind cabinet
Second aperture of door is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the first preset condition, chilled water pump is turned down in K+ according to the setpoint frequency
Second running frequency of t moment, until the running frequency of chilled water pump reaches lower frequency limit；
When the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve quantity N2 still meets the first default item
The supply water temperature of chilled water is then turned up in part according to set temperature.
3. hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method according to claim 1, which is characterized in that if described
The electrically operated valve quantity N1 meets the first preset condition, according to setpoint frequency, turn down chilled water pump running frequency step it
After include：
After refrigeration host computer operation preset time period t：
Detect the K+t moment, all electrically operated valves the second aperture, and determine all motor-driven valves in air conditioning terminal combined type wind cabinet
Second aperture of door is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the second preset condition, keep chilled water in the supply water temperature at K+t moment and cold
Freeze the second running frequency of water pump；
If the electrically operated valve quantity N2 meets third preset condition, the second of chilled water pump is turned up according to the setpoint frequency
Running frequency, until the running frequency of chilled water pump reaches upper limiting frequency；
When the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve quantity N2 still meets third and presets item
Part then turns down the supply water temperature of chilled water according to set temperature.
4. hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method according to claim 1, which is characterized in that if described
The electrically operated valve quantity N1 meets third preset condition, and according to the setpoint frequency, the first operation of chilled water pump is turned up frequently
Include after rate step：
After refrigeration host computer operation preset time period t：
The second aperture of K+t moment all electrically operated valves is detected, and determines all motor-driven valves in air conditioning terminal combined type wind cabinet
Second aperture of door is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the first preset condition, chilled water pump is turned down in K+ according to the setpoint frequency
Second running frequency of t moment, until the running frequency of chilled water pump reaches lower frequency limit；
When the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve quantity N2 meets the first preset condition,
The supply water temperature of chilled water is then turned up according to set temperature.
5. hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method according to claim 1, which is characterized in that if described
The electrically operated valve quantity N1 meets third preset condition, and according to the setpoint frequency, the first operation of chilled water pump is turned up frequently
Include after rate step：
After refrigeration host computer operation preset time period t：
The second aperture of K+t moment all electrically operated valves is detected, and determines all motor-driven valves in air conditioning terminal combined type wind cabinet
Second aperture of door is more than the electrically operated valve quantity N2 of threshold value；
If the electrically operated valve quantity N2 meets the second preset condition, keep chilled water in the supply water temperature at K+t moment and cold
Freeze the second running frequency of water pump；
If the electrically operated valve quantity N2 meets third preset condition, the second of chilled water pump is turned up according to the setpoint frequency
Running frequency, until the running frequency of chilled water pump reaches upper limiting frequency；
When the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve quantity N2 still meets third and presets item
Part then turns down the supply water temperature of chilled water according to set temperature.
6. a kind of hospital's Air Conditioning Facilities chilled water water supply temperature regulating device, which is characterized in that including：
Acquiring unit when being used for the refrigeration host computer normal operation of Air Conditioning Facilities, obtains K moment, air conditioning terminal combined type wind cabinet
In all electrically operated valves the first aperture, according to first aperture determine more than threshold value electrically operated valve quantity N1；
First execution unit, if for the electrically operated valve quantity N1 meet the first preset condition, according to setpoint frequency, turn down it is cold
Freeze the first running frequency of water pump；
Second execution unit keeps the first of chilled water pump if meeting the second preset condition for the electrically operated valve quantity N1
The supply water temperature of running frequency and chilled water；
Third execution unit, if meeting third preset condition for the electrically operated valve quantity N1, according to the setpoint frequency, tune
First running frequency of high chilled water pump.
7. hospital's Air Conditioning Facilities chilled water water supply temperature regulating device according to claim 6, which is characterized in that also wrap
It includes：
First determining module, the second aperture for detecting K+t moment, all electrically operated valves, and determine air conditioning terminal combination
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in formula wind cabinet；
First FM module, if meeting the first preset condition for the electrically operated valve quantity N2, according to the setpoint frequency
Second running frequency of the chilled water pump at the K+t moment is turned down, until the running frequency of chilled water pump reaches lower frequency limit；
First temperature-regulating module, for when the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve quantity N2
Still meet the first preset condition, then the supply water temperature of chilled water is turned up according to set temperature.
8. hospital's Air Conditioning Facilities chilled water water supply temperature regulating device according to claim 6, which is characterized in that also wrap
It includes：
Second determining module, the second aperture for detecting K+t moment, all electrically operated valves, and determine air conditioning terminal combination
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in formula wind cabinet；
First keeps module, if meeting the second preset condition for the electrically operated valve quantity N2, keeps chilled water in K+t
The supply water temperature at quarter and the second running frequency of chilled water pump；
Second FM module, if meeting third preset condition for the electrically operated valve quantity N2, according to the setpoint frequency
The second running frequency of chilled water pump is turned up, until the running frequency of chilled water pump reaches upper limiting frequency；
Second temperature-regulating module, for when the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve quantity N2
Still meet third preset condition, then turns down the supply water temperature of chilled water according to set temperature.
9. hospital's Air Conditioning Facilities chilled water water supply temperature regulating device according to claim 6, which is characterized in that also wrap
It includes：
Third determining module, the second aperture for detecting K+t moment all electrically operated valves, and determine air conditioning terminal combined type
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in wind cabinet；
Third FM module, if meeting the first preset condition for the electrically operated valve quantity N2, according to the setpoint frequency
Second running frequency of the chilled water pump at the K+t moment is turned down, until the running frequency of chilled water pump reaches lower frequency limit；
Third temperature-regulating module, for when the running frequency of chilled water pump reaches lower frequency limit, if the electrically operated valve quantity N2
Meet the first preset condition, then the supply water temperature of chilled water is turned up according to set temperature.
10. hospital's Air Conditioning Facilities chilled water water supply temperature regulating device according to claim 6, which is characterized in that also wrap
It includes：
4th determining module, the second aperture for detecting K+t moment all electrically operated valves, and determine air conditioning terminal combined type
The second aperture of all electrically operated valves is more than the electrically operated valve quantity N2 of threshold value in wind cabinet；
Second keeps module, if meeting the second preset condition for the electrically operated valve quantity N2, keeps chilled water in K+t
The supply water temperature at quarter and the second running frequency of chilled water pump；
4th FM module, if meeting third preset condition for the electrically operated valve quantity N2, according to the setpoint frequency
The second running frequency of chilled water pump is turned up, until the running frequency of chilled water pump reaches upper limiting frequency；
4th temperature-regulating module, for when the running frequency of chilled water pump reaches upper limiting frequency, if the electrically operated valve quantity N2
Still meet third preset condition, then turns down the supply water temperature of chilled water according to set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175357.1A CN108548283B (en) | 2018-03-02 | 2018-03-02 | Method and device for adjusting supply water temperature of chilled water of air conditioner room of hospital |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175357.1A CN108548283B (en) | 2018-03-02 | 2018-03-02 | Method and device for adjusting supply water temperature of chilled water of air conditioner room of hospital |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108548283A true CN108548283A (en) | 2018-09-18 |
| CN108548283B CN108548283B (en) | 2020-08-07 |
Family
ID=63516453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175357.1A Active CN108548283B (en) | 2018-03-02 | 2018-03-02 | Method and device for adjusting supply water temperature of chilled water of air conditioner room of hospital |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548283B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918539A (en) * | 2020-08-31 | 2020-11-10 | 北京世纪互联宽带数据中心有限公司 | Method and device for determining upper limit value of water supply temperature and storage medium |
| CN113339972A (en) * | 2021-06-07 | 2021-09-03 | 博彦物联科技(北京)有限公司 | Water system control method and device and storage medium |
| CN114076367A (en) * | 2020-08-20 | 2022-02-22 | 王晓 | Control system based on minimum hydraulic power dispatching loss |
| CN114484556A (en) * | 2022-01-22 | 2022-05-13 | 天津大学 | Water supply temperature regulation and control method based on target energy consumption management and control |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053115A1 (en) * | 2006-09-01 | 2008-03-06 | Flow Design, Inc. | Electronically Based Control Valve with Feedback to a Building Management System (BMS) |
| CN104456843A (en) * | 2014-11-19 | 2015-03-25 | 北京百度网讯科技有限公司 | Energy saving control method and device of air conditioner at tail end of data center machine room |
| JP2016008782A (en) * | 2014-06-25 | 2016-01-18 | アズビル株式会社 | Air conditioning system and air conditioning control method |
| CN105546759A (en) * | 2016-01-12 | 2016-05-04 | 重庆大学 | Central air-conditioning energy-saving control system and control strategy thereof |
| CN106679103A (en) * | 2017-01-10 | 2017-05-17 | 深圳达实智能股份有限公司 | Water supply control method and device for freezing pump of central air conditioning system |
-
2018
- 2018-03-02 CN CN201810175357.1A patent/CN108548283B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053115A1 (en) * | 2006-09-01 | 2008-03-06 | Flow Design, Inc. | Electronically Based Control Valve with Feedback to a Building Management System (BMS) |
| JP2016008782A (en) * | 2014-06-25 | 2016-01-18 | アズビル株式会社 | Air conditioning system and air conditioning control method |
| CN104456843A (en) * | 2014-11-19 | 2015-03-25 | 北京百度网讯科技有限公司 | Energy saving control method and device of air conditioner at tail end of data center machine room |
| CN105546759A (en) * | 2016-01-12 | 2016-05-04 | 重庆大学 | Central air-conditioning energy-saving control system and control strategy thereof |
| CN106679103A (en) * | 2017-01-10 | 2017-05-17 | 深圳达实智能股份有限公司 | Water supply control method and device for freezing pump of central air conditioning system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076367A (en) * | 2020-08-20 | 2022-02-22 | 王晓 | Control system based on minimum hydraulic power dispatching loss |
| CN114076367B (en) * | 2020-08-20 | 2023-02-28 | 王晓 | Control system based on minimum hydraulic power is lost dispatch |
| CN111918539A (en) * | 2020-08-31 | 2020-11-10 | 北京世纪互联宽带数据中心有限公司 | Method and device for determining upper limit value of water supply temperature and storage medium |
| CN111918539B (en) * | 2020-08-31 | 2023-04-07 | 北京世纪互联宽带数据中心有限公司 | Method and device for determining upper limit value of water supply temperature and storage medium |
| CN113339972A (en) * | 2021-06-07 | 2021-09-03 | 博彦物联科技(北京)有限公司 | Water system control method and device and storage medium |
| CN114484556A (en) * | 2022-01-22 | 2022-05-13 | 天津大学 | Water supply temperature regulation and control method based on target energy consumption management and control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108548283B (en) | 2020-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108548283A (en) | A kind of hospital's Air Conditioning Facilities chilled water supply water temperature adjusting method and device | |
| US11415336B2 (en) | Method and apparatus for controlling heating operation of air conditioner | |
| CN101995069B (en) | Air conditioner and method for controlling same to operate in energy-saving manner | |
| CN104501369B (en) | Air conditioner and its temperature control method | |
| CN104676837B (en) | Energy-saving and frequency-variable method applied to the whole temperature difference control of freezing water system of central air conditioner | |
| CN105972760B (en) | Central air-conditioner control method and device | |
| CN109323377B (en) | Air conditioner and control method and control device thereof | |
| CN106679065B (en) | Air conditioner control method and device | |
| CN104566769B (en) | Air conditioner energy saving control method and system | |
| CN108917117B (en) | Air conditioner and control method and device thereof | |
| CN106152396B (en) | Control method and control device for startup and shutdown of air conditioner and air conditioner | |
| CN206207606U (en) | Central air conditioner system | |
| CN106352490A (en) | Air conditioning control method, air conditioning control device and air conditioner | |
| CN104748326A (en) | Chilled water precision air conditioner and energy-conservation control method thereof | |
| CN111023431B (en) | Time-control temperature-regulation method and device with adjustable frequency conversion coefficient of variable-frequency air conditioner and air conditioner | |
| CN106839279B (en) | Air conditioner sleep control method | |
| US9816721B2 (en) | System and method for optimizing energy consumption in an HVAC unit by minimizing chiller activity | |
| CN110686393A (en) | Monitoring method and system based on air conditioner and computer readable storage medium | |
| CN105352119A (en) | Method and device for controlling refrigeration water system in air conditioner | |
| CN107091509B (en) | Magnetic suspension water cooling unit | |
| CN109210710A (en) | Method and device based on human comfort control compressor of air conditioner | |
| CN112628961A (en) | Frequency modulation mode for controlling variable frequency air conditioner by temperature regulator | |
| CN108870651A (en) | Hotel guest room environmental monitoring regulating system and method based on comfort level | |
| CN110686374A (en) | Air conditioner energy-saving control method, computer readable storage medium and air conditioner | |
| CN210921724U (en) | Temperature difference control device of air conditioner water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |