CN105571023B - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
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- CN105571023B CN105571023B CN201510614884.4A CN201510614884A CN105571023B CN 105571023 B CN105571023 B CN 105571023B CN 201510614884 A CN201510614884 A CN 201510614884A CN 105571023 B CN105571023 B CN 105571023B
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- Prior art keywords
- temperature
- water
- air
- heat exchange
- heat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1932—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces
- G05D23/1934—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces each space being provided with one sensor acting on one or more control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention provides a kind of air-conditioning system, has air conditioner；Adjust heat exchange coolant-temperature gage and between the first set water temperature and the second set water temperature optionally switch its adjust temperature heat power supply device；With the control device that should be switched to the switching signal of which set water temperature and read poor preset indoor temperature allowable range, target water temperature, setting value of indoor temperature, setting feed air temperature is sent to the heat power supply device.Air conditioner has the water regulating valve of the heat exchange coolant-temperature gage difference for the entrance side for adjusting heat exchanger.Control device executes heat source device and sends the switching signal switched to the first set water temperature and operate the first adjusting action that the temperature difference of heat exchange water is adjusted to target water temperature difference by water regulating valve when temperature is setting value indoors；Not for setting value when execute heat source device send switching signal switch to the second set water temperature and operate water regulating valve by the feed air temperature of idle call air be adjusted to setting feed air temperature the second adjusting action.
Description
Technical field
The present invention relates to indoor air-conditioning system, the system for adjusting indoor temperature is related generally to.
Background technology
" air conditioning " is referred to as " air-conditioning " in the present specification.Water is being used to carry out profit as air conditioner energy source heat exchange
In air-conditioning system, such as there is air-conditioning system shown in Japanese Unexamined Patent Publication 2013-53836.The system is by such as lower part
It constitutes：Adjust the heat power supply device of the temperature of heat exchange water；There is the heat exchanger of heat exchange water to adjust idle call using circulation
The feed air temperature of air is to carry out the air conditioner of room air adjusting；With so that heat exchange is recycled to the air conditioner and heat with water
The water circulating apparatus of source device；
After carrying out neither endothermic nor exothermic to idle call air by heat exchanger, if the temperature departure setting of heat exchange water
Water temperature, then heat power supply device the heat exchange in heat power supply device is cooled down or is heated with water to close to the set water temperature.
Invention content
Problems to be solved by the invention：
In the case where heat exchange is cold water with water, set water temperature is higher, and the energy being cooled to needed for set water temperature is fewer,
Therefore set water temperature can be reached with less heat power supply device energy consumption.Conversely, the case where it is warm water that heat exchange is with water
Under, set water temperature is lower, and the energy being heated to needed for set temperature is fewer, therefore just with less heat power supply device energy consumption
It can reach set water temperature.That is, in the case where heat exchange is cold water with water and in the case of warm water, with less heat power supply device energy
Measuring consumption, just accessible set temperature is different；
However, the set water temperature always remains unchanged, therefore temperature stablizes the permission model in setting indoor temperature indoors
In the case that the air conditioner load of intergrade when enclosing interior or in whole year other than summer and winter etc. is smaller, by heat exchange
It is the thing for consuming energy in vain to be heated or cooled to set water temperature with water.In addition, most of period is air conditioner load in whole year
And off-peak period, therefore many energy of heat power supply device are all wasted；
The object of the present invention is to provide the air-conditioning systems for the energy waste that can inhibit heat power supply device.
The means solved the problems, such as：
Air-conditioning system according to the present invention has：The feed air temperature of idle call air is adjusted with water by heat exchange
And by the idle call air to the air conditioner of indoor air-supply；The temperature of heat exchange water is adjusted, and with it is low
Available energy is corresponding and preset first set water temperature and corresponding with high available energy and preset second set water temperature it
Between, the heat power supply device that should adjust temperature of optionally switch heat exchange water；It should be switched to heat power supply device transmission
The switching signal of which of first set water temperature and the second set water temperature, and read preset indoor temperature and allow model
It encloses, target water temperature is poor, the control device of the setting value of indoor temperature and setting feed air temperature；
The air conditioner has：Circulation has the heat exchanger of heat exchange water；It is handed over to the heat to circulate in the heat exchanger
The amount for using water instead is increased and decreased that the heat exchange of heat exchanger entrance side and outlet side is adjusted with coolant-temperature gage difference, in turn
Adjust the water regulating valve of the feed air temperature of idle call air；
The control device is configured to execute following action：Indoors temperature be the setting value in the case of, execute to
The heat power supply device sends the switching signal switched to the first set water temperature, and is operated to the water regulating valve, so that
The temperature difference of heat exchange water reaches the first adjusting action that the form of target water temperature difference is adjusted；Temperature is not indoors
In the case of the setting value, executes to the heat power supply device and send the switching signal switched to the second set water temperature, and to institute
It states water regulating valve to be operated, so that the form that the feed air temperature of idle call air reaches setting feed air temperature is adjusted
Second adjusting acts.
The first form according to the present invention, available energy（exergy）Refer to that " certain system reaches equilibrium state with surrounding
The ceiling capacity that can be released when only ", low available energy are that the energy that refers to release is less, and high available energy is to refer to release
The energy of releasing is more.Therefore, " corresponding with low available energy and preset first set water temperature and corresponding with high available energy
And preset second who determine water temperature " record specifically refer in the case where heat exchange is cold water with water, first setting water
Temperature is higher than the second set water temperature.This is because set water temperature is higher, the energy being cooled to needed for set water temperature is fewer.In heat exchange
The case where with water being warm water refers to that the first set water temperature is less than the second set water temperature.This is because set water temperature is lower, it is heated to
Energy needed for set temperature is fewer.Like this, it the case where heat exchange is cold water with water and in the case of warm water, is set by making
Determine water temperature difference, the energy dissipation of heat power supply device can be inhibited with this；
Also, in the case that temperature is setting value indoors, by the heat exchange water of the entrance side of heat exchanger and outlet side
Temperature difference be adjusted to that target water temperature is poor, with this can prevent to the chilling of heat exchange water but with anxious heating etc. and inhibit energy
Waste；
Also, in the case that temperature is not setting value indoors, it is contemplated that the case where air conditioner load increases, by heat exchange water
The temperature that should adjust be set as the second set water temperature.By means of this, the variation of indoor temperature can be suppressed to minimum, while can
By the rapid cooling of the feed air temperature of idle call air or it is heated to setting feed air temperature, stability can be executed and comfort is excellent
Air conditioning.
In the present invention, can also be the control device indoors described in temperature departure when indoor temperature allowable range,
The switching signal switched to the second set water temperature is exported to the heat power supply device, and temperature reaches the setting value simultaneously indoors
By setting after the time, if indoor temperature maintains the state in indoor temperature allowable range, filled to the heat source
Set the switching signal that output switches to the first set water temperature；
Second form according to the present invention, indoors temperature indoor temperature allowable range is still within after setting time
In the case of interior, it is believed that the variation of air conditioner load is less or does not have, therefore the temperature that should adjust of heat exchange water is set as
The first set water temperature corresponding with low available energy.By means of this, in the operation of heat power supply device, the temperature of heat exchange water is prevented
Frequent switching --- it is referred to as trembling（chattering）The phenomenon that occur, the reliability and stabilization of heat power supply device can be improved
Property；
Also, by setting indoor temperature allowable range, it is possible to reduce used along with heat exchange in the operation of heat power supply device
The temperature of water switches and the supercooling that occurs and crosses heating etc..Therefore, the overshoot of indoor temperature can simply be inhibited
（overshoot）With lower overshoot（undershoot）Deng stability and the excellent air conditioning of comfort can be executed.
In the present invention, can also be in the case where heat exchange is cold water with water, the first set temperature is set as 9~11
DEG C, the second set water temperature is set as 6~8 DEG C, in the case where heat exchange is warm water with water, the first set water temperature is set as 34~
36 DEG C, the second set water temperature is set as 39~41 DEG C, and target water temperature difference is set as 9~11 DEG C；
The third form inventor according to the present invention etc. has found in the case where heat exchange is cold water with water, and first is set
Determine water temperature and be set as 9~11 DEG C, the second set water temperature is set as 6~8 DEG C, and the energy of heat power supply device can be effectively cut down with this
Consumption.Inventor also found in the case where heat exchange is warm water with water, and the first set water temperature is set as 34~36 DEG C,
Two set water temperatures are set as 39~41 DEG C, and same effect can be also obtained with this.
In the present invention, can also be have make the heat exchange water the heat power supply device and the heat exchanger it
Between the water circulating apparatus that recycles；
The water circulating apparatus has：Circulation has the circulating chilled water access of the heat exchange water as cold water；Circulation has work
For the Warm water circulation access of the heat exchange water of warm water；With by the circulating chilled water access, the Warm water circulation access and described
Heat exchanger is attached, and the heat exchange circulated in the heat exchanger is switched to appointing in cold water or warm water with water
The water circulation path switching mechanism of meaning one；
4th kind of form according to the present invention can carry out the refrigeration of room air and heating by a kind of heat exchanger
Switching, with setting refrigeration it is special and heat special two kinds of heat exchangers the case where compared with, it is possible to reduce air-supply power and seek to save
Energy.Also, air conditioner can be made to minimize.Add also, can eliminate supercooling in the air conditioner load lower period of intergrade etc. and cross
Heat etc. can execute comfortable air conditioning.
In the present invention, can also be the heat exchanger include the heat-transfer pipe for keeping heat exchange flow logical, the heat-transfer pipe
Section be formed as ellipse；
5th kind of form according to the present invention is made the heat-transfer pipe of heat exchanger be formed as ellipse, can be reduced with this logical
Wind resistance.By means of this, pressure loss when ventilation is reduced, and increase the contact area of heat-transfer pipe and wind pushing air, improved
Heat exchanger effectiveness, and improve energy saving.
Description of the drawings
Fig. 1 is the skeleton diagram for showing air-conditioning system；
Fig. 2 is the figure for showing heat exchanger；
Fig. 3 is the figure for showing table in memory；
Fig. 4 is the flow chart for the action for showing air-conditioning system；
Symbol description：
1 air conditioner；
2 heat power supply devices；
3 heat exchangers；
4 water circulating apparatus；
5 control devices；
6 water regulating valves；
8 circulating chilled water accesses；
9 Warm water circulation accesses；
100 air-conditioning systems.
Specific implementation mode
Fig. 1 is the skeleton diagram for the air-conditioning system for showing a kind of implementation form according to the present invention.The air-conditioning system 100 has
It is standby：Idle call air is cooled down or heated with water by heat exchange by adjusts feed air temperature, and by idle call air to room
The air conditioner 1 of interior conveying；The temperature of heat exchange water is adjusted, and corresponding with low available energy and preset
Between one set water temperature and corresponding with high available energy and preset second set water temperature, optionally switch heat exchange is used
The heat power supply device 2 that should adjust temperature of water；The water cycle that heat exchange is recycled with water between heat power supply device 2 and air conditioner 1 is set to set
Standby 4；The switching letter of which of the first set water temperature and the second set water temperature should be switched to by being sent with heat source device 2
Number, and preset indoor temperature allowable range T1, target water temperature difference S1, setting are read by time Z1 and setting gas supply
The control device 5 of temperature W1.Indoor temperature allowable range T1, target water temperature difference S1, setting are by time Z1 and setting gas supply
Temperature W1 is included in the table for the memory 50 being connect with control device 5（With reference to Fig. 3）It is interior, and set containing by time Z1
Justice is described in detail later.Also, the user of air-conditioning system 100 inputs indoor temperature by control device 5 externally to memory 50
Setting value T2；
In the air-conditioning system 100 of Fig. 1, have four air conditioners 1, but the number of units of the air conditioner 1 is according to air-conditioning system
What the air handling capacity of system 100 determined.
Air conditioner 1 has in cabinet 70：Circulation has a heat exchanger 3 of heat exchange water；By increasing and decreasing in the heat
The water of the heat exchange water to circulate in exchanger 3, to adjust the entrance side of heat exchanger 3 and the heat exchange water of outlet side
The water regulating valve 6 of the feed air temperature of temperature difference and idle call air；It is introduced in cabinet 70 and makes with by idle call air
It passes through the fan 7 blown to outside cabinet 70 after heat exchanger 3.The idle call air that heat exchange is carried out in heat exchanger 3 becomes
After cold wind or warm air, supplied to indoor by conditioned space.Alternatively, it is also possible to setting humidifier and filter in cabinet 70
Deng.Also, water regulating valve 6 can also be set to outside cabinet 70.
Heat exchanger 3 is formed as such as lower structure as shown in Figure 2：In order to allow idle call air by by between each other across
On the multiple heat transfer plates 30 being positioned apart from, sinuous heat-transfer pipe 31 is installed.The heat exchange circulated in the heat-transfer pipe 31 is used
Water and heat exchange is carried out by the idle call air of heat transfer plate 30.It is that ellipse is divulged information with reducing that the heat-transfer pipe, which is preferably section,
It is circle that resistance, which can also be section,.
In the heat exchanger 3 of air conditioner 1 to idle call air carry out neither endothermic nor exothermic and deviate from the first set water temperature or
The heat exchange water of second set water temperature is cooled down or is heated by heat power supply device 2, to be adjusted to the first set water temperature or second set
Determine water temperature.Also, heat power supply device 2 is carried out at the same time the temperature of the temperature adjusting of the heat exchange water of cold water and the heat exchange water of warm water
It adjusts；
Water circulating apparatus 4 has：Make the circulating chilled water access 8 that the heat exchange as cold water is led to flow；Make as warm water
Heat exchange with flow lead to Warm water circulation access 9；The heat exchange circulated in heat exchanger 3 is switched to cold water or temperature with water
The water circulation path switching mechanism 10 of water；With conveying pump 11, and by they carry out piping connection and constitute water circulating apparatus 4.
Water circulation path switching mechanism 10 by the first three-way switch valve 12a by the cold water of circulating chilled water access 8 toward road portion,
The warm water of Warm water circulation access 9 is attached toward road portion and heat exchanger 3, and by the second three-way switch valve 12b by cold water
The cold water of circulation path 8 answers road portion, the warm water of Warm water circulation access 9 answers road portion and heat exchanger 3 is attached.In Fig. 1, needle
To multiple air conditioners 1, four one water circulation path switching mechanisms 10 of setting of air conditioners 1 are specifically directed to, but can also
It is that water circulation path switching mechanism 10 is respectively set for each air conditioner 1.In addition, for the circulation path of heat exchange water,
Four tubular types for making cold water and warm water while circulation are shown, but two pipes for making cold water and warm water switch circulation can also be formed as
Formula.
Control device 5 is made of microprocessor etc., and is connect with following detector：The past of air conditioner 1 is led in detection
First detector 25 of the heat exchange coolant-temperature gage in road；Detection originates in the heat exchange coolant-temperature gage in the multiple road of air conditioner 1
The second detector 26；It is disposed in indoor indoor temperature detector 72；It is examined with the feed air temperature for being set to 70 outlet side of cabinet
Survey device 71.First detector 25, the second detector 26, indoor temperature detector 72 and feed air temperature detector 71 are by sensor
It constitutes.Also, in Fig. 1, the first detector 25, the second detector 26 and feed air temperature detector 71 are set to an air conditioner
In 1, but it can also be set to all or in arbitrary air conditioner 1；
Calculating part 13, comparing section 14 and signal switching part 15 are provided in control device 5.Control device 5 also has will be interior
Portion's clock is divided and measures the timer function by the time.The operation for coming from the air-conditioning system 100 of user starts/
Stop signal is input to control device 5.
Calculating part 13 calculates the water temperature difference of the heat exchange water detected by the first detector 25 and the second detector 26.Than
Judge whether the indoor temperature detected by indoor temperature detector 72 reaches setting value T2 compared with portion 14.Sentence by comparing portion 14
Break in the case of reaching setting value T2 for indoor temperature, 15 heat source device 2 of signal switching part is exported to be cut to the first set water temperature
The switching signal changed, and water regulating valve 6 is operated, so that by 13 calculated water temperature difference of calculating part in target water temperature
Form within poor S1 is controlled.Also, the case where being judged as indoor temperature and not up to setting value T2 by comparing portion 14
Under, 15 heat source device 2 of signal switching part exports the switching signal switched to the second set water temperature, and to water regulating valve 6
It is operated, so that the form that the feed air temperature detected by feed air temperature detector 71 reaches setting feed air temperature W1 is controlled
System.Also, after temperature reaches setting value T2 indoors, beyond in the case of indoor temperature allowable range T1, signal switching part 15 to
Heat power supply device 2 exports the switching signal switched to the second set water temperature, and when temperature reaches setting value T2 again indoors, opens
Begin to passing through time counting.This by the time be more than setting by time Z1 and indoor temperature still indoors temperature allow model
When enclosing in T1,15 heat source device 2 of signal switching part exports the switching signal switched to the first set water temperature.
In the case where heat exchange is cold water with water, the first set water temperature is set as 9~11 DEG C, the setting of the second set water temperature
It is 6~8 DEG C.In the case where heat exchange is warm water with water, the first set water temperature is set as 34~36 DEG C, and the second set water temperature is set
It is set to 39~41 DEG C.Target water temperature difference S1 is 9~11 DEG C.Feed air temperature W1 is set as 13~16 DEG C, set by time Z1 as
20~40 minutes.When it is cold water that heat exchange is with water, indoor temperature allowable range T1 is indoor temperature setting value T2 and the setting
Value T2 is plus the range between 1~2 DEG C of obtained value.It is indoor temperature setting value T2 and this in heat exchange water level warm water
Setting value T2 subtracts the range between 1~2 DEG C of obtained value.The plus and minus calculation of indoor temperature allowable range T1 is found out by counting
Calculation portion 13 executes；
Target water temperature difference S1 is generally 5 DEG C or so, but is become twice as value, i.e. 9~11 DEG C of left and right, can be with this
It is half degree by the discharge reduction of the heat exchange water to circulate in heat exchanger 3.By means of this, heat exchange water can be sought
Water supply energy consumption reduction；
Also, if feed air temperature W1 is set as 13 DEG C or so when freezing, air quantity reduction is supplied compared with ordinary circumstance,
It can seek the reduction of air-supply energy consumption.In addition, these specific numerical value only illustrate, however it is not limited to these numerical value.
Fig. 4 is the flow chart for the action for showing air-conditioning system 100.Start letter to the input operation of control device 5 in user
Number when, air-conditioning system 100 brings into operation；
When initially bringing into operation, the temperature that should adjust of heat exchange water is set as the second set water temperature by heat power supply device 2（Step
Rapid S1）.The comparing section 14 of control device 5 judges whether the indoor temperature detected by indoor temperature detector 72 reaches setting value
T2（Step S2）.When temperature reaches setting value T2 indoors, control device 5, which will reset by the time and start to measure, passes through the time
（Step S3）.By the time not up to set by time Z1 when, judge by 13 calculated water temperature difference of calculating part whether
Within target water temperature difference S1（Step S4, S6）.If water temperature difference is more than target water temperature difference S1, control device 5 is to runoff investigation
Valve 6 carries out operation and so that form of the water temperature difference within target water temperature difference S1 is controlled（Step S7）.Here it is the present invention
In " the first adjusting action "；
When water temperature difference is within target water temperature difference S1, judge whether user inputs operation and stop（Step S8）If
Whether indoors operation is not inputted to stop, then judge the indoor temperature detected by indoor temperature detector 72 temperature allowed range
In T1（Step S9）.
If indoor temperature deviates indoor temperature allowable range T1, step S1 is returned to, if indoor temperature is warm indoors
It spends in allowable range T1, then return to step S4 and waits for until being more than that time Z1 is passed through in setting by the time.Super by the time
Cross setting by time Z1 and maintain indoor temperature indoors in temperature allowed range T1 state when, thus it is speculated that at air conditioner load
In stable state, therefore 5 heat source device 2 of control device exports the switching signal switched to the first set water temperature（Step S5）.
By means of this, the temperature switching that heat exchange water frequently occurs in the operation of heat power supply device 2 is prevented, heat power supply device can be improved
2 reliability and stability.In addition, for the judgement that the operation of step S8 stops, appointing in the flow chart of Fig. 4 can be set to
Meaning position.
On the other hand, when indoor temperature deviates setting value T2 in step s 2, control device 5 should be adjusted heat exchange water
Section temperature is set as in the state of the second set water temperature, judges whether feed air temperature reaches setting feed air temperature W1（Step S10）.
When feed air temperature deviates setting feed air temperature W1, control device 5 operates water regulating valve 6 and so that feed air temperature reaches
Form to setting feed air temperature W1 is controlled（Step S11）.Here it is " the second adjusting actions " in the present invention；
When feed air temperature reaches setting feed air temperature W1, step S1 is returned to, and export to second in heat source device 2
In the state of the switching signal of set water temperature switching, control action is executed until indoor temperature reaches setting value T2.
It is had the following effects that according to the air-conditioning system 100 of this implementation form：
In the case that temperature is setting value T2 indoors, by the heat exchange water of the entrance side of heat exchanger 3 and outlet side
Temperature difference be adjusted to target water temperature difference S1, can be prevented to the chilling of heat exchange water but with this or anxious heating etc. is to inhibit
The waste of energy；
Also, in the case that temperature is not setting value T2 indoors, it is contemplated that the case where air conditioner load increases, and by heat exchange
It is set as the second set water temperature with the temperature that should adjust of water.By means of this, the variation of indoor temperature can be suppressed to minimum, together
When can be cooling rapidly by the feed air temperature of idle call air or be heated to setting feed air temperature W1, stability and comfortable can be carried out
The excellent air conditioning of property.
The present invention is not limited to above-mentioned implementation forms.For example, the idle call air for being introduced to air conditioner 1 can be outer gas（Room
Outer air）, return-air（Room air）, outer gas and return-air mixing air in any one.Also, in above-mentioned embodiment,
The example uniformly controlled multiple air conditioners 1 by a control device 5 is shown, but can also be to each air conditioner
1 is respectively set control device 5.
Claims (5)
1. a kind of air-conditioning system, which is characterized in that have：
The feed air temperature of idle call air is adjusted with water by heat exchange and by the idle call air to indoor air-supply
Air conditioner；
The temperature of heat exchange water is adjusted, and in corresponding with low available energy and preset first setting water
Between temperature and corresponding with high available energy and preset second set water temperature, optionally switch heat exchange water should be adjusted
Save the heat power supply device of temperature；With
The switching signal of which of the first set water temperature and the second set water temperature should be switched to by being sent to the heat power supply device,
And read poor preset indoor temperature allowable range, target water temperature, setting value of indoor temperature and setting feed air temperature
Control device；
The air conditioner has：
Circulation has the heat exchanger of heat exchange water；With
The amount of the heat exchange water to circulate in the heat exchanger is increased and decreased to heat exchanger entrance side and outlet side
Heat exchange is adjusted with coolant-temperature gage difference, and then adjusts the water regulating valve of the feed air temperature of idle call air；
The control device is configured to execute following action：
In the case that temperature is the setting value indoors, executes to send to the heat power supply device and switch to the first set water temperature
Switching signal, and the water regulating valve is operated, only to make the temperature difference of heat exchange water reach target water temperature difference
The first adjusting action that form is adjusted；With
In the case that temperature is not the setting value indoors, executes and sent to the heat power supply device to the switching of the second set water temperature
Switching signal, and the water regulating valve is operated, only to make the feed air temperature of idle call air reach setting gas supply
The second adjusting action that the form of temperature is adjusted.
2. air-conditioning system according to claim 1, which is characterized in that
The control device is exported to the heat power supply device to second indoors described in temperature departure when indoor temperature allowable range
The switching signal of set water temperature switching, and temperature reaches the setting value and by setting after the time indoors, if
Indoor temperature maintains the state in indoor temperature allowable range, then exports to the first set water temperature and switch to the heat power supply device
Switching signal.
3. air-conditioning system according to claim 1 or 2, which is characterized in that
In the case where heat exchange is cold water with water, the first set temperature is set as 9~11 DEG C, and the second set water temperature is set as 6
~8 DEG C, in the case where heat exchange is warm water with water, the first set water temperature is set as 34~36 DEG C, the setting of the second set water temperature
It it is 39~41 DEG C, target water temperature difference is set as 9~11 DEG C.
4. air-conditioning system according to claim 1 or 2, which is characterized in that
Has the water circulating apparatus for making the heat exchange be recycled between the heat power supply device and the heat exchanger with water；
The water circulating apparatus has：
Circulation has the circulating chilled water access of the heat exchange water as cold water；
Circulation has the Warm water circulation access of the heat exchange water as warm water；With
The circulating chilled water access, the Warm water circulation access and the heat exchanger are attached, and will be in the heat
The heat exchange circulated in exchanger is switched to the water circulation path switching mechanism of any one in cold water or warm water with water.
5. air-conditioning system according to claim 1 or 2, which is characterized in that
The heat exchanger includes the heat-transfer pipe for keeping heat exchange flow logical, and the section of the heat-transfer pipe is formed as ellipse.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014219819A JP5869648B1 (en) | 2014-10-29 | 2014-10-29 | Air conditioning system |
| JP2014-219819 | 2014-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571023A CN105571023A (en) | 2016-05-11 |
| CN105571023B true CN105571023B (en) | 2018-08-17 |
Family
ID=55213131
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510614884.4A Active CN105571023B (en) | 2014-10-29 | 2015-09-24 | Air-conditioning system |
| CN201520745148.8U Expired - Fee Related CN205014533U (en) | 2014-10-29 | 2015-09-24 | Air conditioning system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520745148.8U Expired - Fee Related CN205014533U (en) | 2014-10-29 | 2015-09-24 | Air conditioning system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160123638A1 (en) |
| JP (1) | JP5869648B1 (en) |
| KR (1) | KR20160051596A (en) |
| CN (2) | CN105571023B (en) |
| MY (1) | MY178472A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5869648B1 (en) * | 2014-10-29 | 2016-02-24 | 木村工機株式会社 | Air conditioning system |
| GB2544063B (en) * | 2015-11-03 | 2018-04-11 | Basic Holdings | Distributed heat pump network |
| CA2995017C (en) | 2017-03-01 | 2019-12-24 | Kimura Kohki Co., Ltd. | Air conditioner and air conditioning system including the same |
| US10527296B2 (en) * | 2018-04-25 | 2020-01-07 | Computime Ltd. | Temperature delta control for a hydronic heating/cooling system |
| JP2020185863A (en) * | 2019-05-14 | 2020-11-19 | 株式会社デンソー | Cooling system |
| WO2021231619A1 (en) | 2020-05-12 | 2021-11-18 | Jacobi Robert W | Switching flow water source heater/chiller |
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| US4766953A (en) * | 1986-03-29 | 1988-08-30 | Mtu Motoren-Und Turbinen-Union Munchen Gmbh | Shaped tube with elliptical cross-section for tubular heat exchangers and a method for their manufacture |
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| CN205014533U (en) * | 2014-10-29 | 2016-02-03 | 木村工机株式会社 | Air conditioning system |
-
2014
- 2014-10-29 JP JP2014219819A patent/JP5869648B1/en active Active
-
2015
- 2015-09-23 KR KR1020150134599A patent/KR20160051596A/en not_active Application Discontinuation
- 2015-09-24 CN CN201510614884.4A patent/CN105571023B/en active Active
- 2015-09-24 CN CN201520745148.8U patent/CN205014533U/en not_active Expired - Fee Related
- 2015-10-21 US US14/919,616 patent/US20160123638A1/en not_active Abandoned
- 2015-10-28 MY MYPI2015703884A patent/MY178472A/en unknown
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| US4766953A (en) * | 1986-03-29 | 1988-08-30 | Mtu Motoren-Und Turbinen-Union Munchen Gmbh | Shaped tube with elliptical cross-section for tubular heat exchangers and a method for their manufacture |
| JPH06159769A (en) * | 1992-11-19 | 1994-06-07 | Tokyo Gas Co Ltd | Method and apparatus for heating and cooling |
| JPH0894151A (en) * | 1994-09-29 | 1996-04-12 | Kajima Corp | Controlling method for fan coil apparatus, and the fan coil apparatus |
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| CN205014533U (en) * | 2014-10-29 | 2016-02-03 | 木村工机株式会社 | Air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016085013A (en) | 2016-05-19 |
| CN205014533U (en) | 2016-02-03 |
| MY178472A (en) | 2020-10-14 |
| JP5869648B1 (en) | 2016-02-24 |
| CN105571023A (en) | 2016-05-11 |
| KR20160051596A (en) | 2016-05-11 |
| US20160123638A1 (en) | 2016-05-05 |
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