CN103375881A - Air conditioner control method and device thereof of clean room - Google Patents
Air conditioner control method and device thereof of clean room Download PDFInfo
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- CN103375881A CN103375881A CN2013100959358A CN201310095935A CN103375881A CN 103375881 A CN103375881 A CN 103375881A CN 2013100959358 A CN2013100959358 A CN 2013100959358A CN 201310095935 A CN201310095935 A CN 201310095935A CN 103375881 A CN103375881 A CN 103375881A
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Abstract
The invention provides an air conditioner control mehtod and device thereof of clean room. Changes of environmental gas temperature and humidity can be predicated according to meteorological data and real value, and forecast specific enthalpy and environmental gas forecast dew point can be calculated according to predicated environmental gas forecast temperature and forecast humidity, thereby the number of the refrigerating machines which is needed for operation of the air conditioner external unit with cooling coil can be controlled. Moreover, according to the external gas forecast dew point, when the introduced external dew point is lower than the dew point provided for the objective space, the setting temperature of the cooling coil is changed into the temperature provided for the objective space, and when the external gas forcast temperature is lower than the provided temperature, the refrigerating machine stops.
Description
Technical field
The present invention relates to a kind of air conditioning process that consists of the thermostatic constant wet chamber such as industrial toilet.
Background technology
For such as the electronic equipment factory of semiconductor etc. like that, the production environment condition can bring the situation of considerable influence to product quality, this production equipment is configured in the so-called toilet, itself and external environment condition are blocked, and control, so that production environment becomes desirable temperature, humidity, pressure, cleanliness factor.
Figure 11 shows the exemplary configuration of the air conditioning process in the semiconductor factory.
Usually, air conditioning process makes in the toilet 100 interior mobile atmosphere air cleanings and toilet 100 is carried out air conditioning by outdoor machine of air-conditioner 200 and air-conditioning internal machine 300.So-called outdoor machine of air-conditioner is the air conditioner for the treatment of the ambient atmos load.So-called air-conditioning internal machine is the air conditioner for the treatment of the internal gas load.
That is, by the portion of air in the toilet 100 are imported in the air-conditioning internal machine 300, thereby by the heat abstraction of the cooler 301 in the air-conditioning internal machine 300 with toilet's 100 interior generations.In addition, the waste gas 206 that produces when manufacturing a product is discharged to outside the system of toilet 100, and introduce the air of isodoses from outdoor machine of air-conditioner 200, by the air cleaner 201 in the outdoor machine of air-conditioner 200 it is carried out dedusting, temporarily cooled off to dehumidify by 202 pairs of air after cleaning of cooling coil, and the air heat after will being dehumidified by heater 203 is to desirable temperature, and further will be heated to the air wetting of desirable temperature to desirable humidity by humidifier 204, thereby use outdoor machine of air-conditioner fan 205 that it is passed out to toilet's 100 sides, and with send from the cooler 301 of air-conditioning internal machine 300, air behind the heat extraction mixes, finally as the purpose temperature, humidity is blown in the toilet 100.
Be provided with high performance filter in the Air blowing section 101 of toilet 100 and carry out dedusting, and by internal pressure being maintained certain and be higher than level outside the system, thereby guarantee cleannes.
In addition, for the cooling coil 202 of outdoor machine of air-conditioner 200, and the cooler 301 of air-conditioning internal machine 300, be connected with the refrigerator 401～401c that it is controlled usefulness.In addition, the heater 203 of outdoor machine of air-conditioner 200, and humidifier 204 on be connected with the boiler 500 of it being controlled usefulness.
Figure 12 is the structure chart of workbench numerical control system that uses the refrigerator of cooling water heat.
Offer the cooling water of outdoor machine of air-conditioner 200 by cooling
Water extraction is made for system 400 and is provided, and for the work number of units of refrigerator 401a～401c, in refrigerator operational part 402a, collects cooling water flow by the flowmeter 404 that is arranged in the cooling water backflow pipe arrangement 403; Collect cooling water inflow temperature by the thermometer 406 that is arranged in the cooling water inflow secondary head 405, collect the cooling water reflux temperature by being arranged on the thermometer 408 that cooling water refluxes in 407, and the graph of a relation of heat as shown in figure 13 and refrigerator number of units is such, according to each refrigerator that consists of treatable heat and process the work number of units that required heat decides refrigerator, and the number of units of refrigerator controlled, so that the temperature of cooling water is certain.
For the situation that makes the toilet's realization energy-saving in this semiconductor factory, at present, for example in patent documentation 1, propose a kind of energy-saving run with air conditioner of the heat storage tank in the general air-conditioning equipment and be correlated with, calculate the cooling water temperature that should provide according to the ambient atmos specific enthalpy, and changed and controlled the scheme of the cooling water temperature of refrigerator.
The prior art document
Patent documentation
Patent documentation 1: Japanese patent laid-open 10-292943 communique
Summary of the invention
Invent technical problem to be solved
Yet, for the control that changes the cooling water temperature of refrigerator according to the ambient atmos specific enthalpy, because refrigerator can not stop, therefore need to making the work of refrigerator attendant equipment cooperation refrigerator, and continuous service.And, although be effective in the situation that stops at refrigerator and do not have thermic load of refrigerator, but because prediction cooling water load is comparatively difficult, and because of the variation of rapid ambient atmos condition so that need in the situation of refrigerator work, the startup of refrigerator also can be quite consuming time, therefore, and for safety, even do not having under the situation of thermic load, it worked on.
Because the problems referred to above, the object of the present invention is to provide a kind of in the air-conditioning control of toilet, the ambient atmos condition is taken into account, and realized that based on this inscape of the energy-saving run of air conditioner and air conditioner is the air conditioning control method of toilet of the energy-saving run of refrigerator.
The technical scheme that the technical solution problem adopts
The air conditioning control method of toilet of the present invention is characterised in that, carry out air-conditioning when control by outdoor machine of air-conditioner the air after air conditioning being sent into the toilet, the temperature and humidity of the ambient atmos that sucks based on described outdoor machine of air-conditioner, the predicted value of the meteorological data that the place is set of described toilet, namely forecast temperature and forecast humidity, calculate after this ambient atmos predicted temperature and the pre-measuring moisture of ambient atmos, calculate prediction specific enthalpy and ambient atmos prediction dew point according to described ambient atmos predicted temperature and the pre-measuring moisture of described ambient atmos, according to described prediction specific enthalpy and ambient atmos predicted temperature and ambient atmos prediction dew point, come the cooling coil of the described outdoor machine of air-conditioner of subtend to provide the operation of the cold-producing medium generator of cold-producing medium to control.
In addition, the air conditioning control device of toilet of the present invention is characterised in that, comprise: outdoor machine of air-conditioner, the heater that this outdoor machine of air-conditioner has cooling coil that gas to external world cools off, heat the ambient atmos by described cooling coil and to carry out the humidifier of humidification by the ambient atmos of described heater, thus outdoor machine of air-conditioner to external world gas carry out air conditioning and it sent into the toilet; Thermometer, this thermometer are measured the temperature of the ambient atmos of described outdoor machine of air-conditioner suction; Hygrometer, this hygrometer are measured the humidity of the ambient atmos of described outdoor machine of air-conditioner suction; The cold-producing medium generator, this cold-producing medium generator has many refrigerators that can carry out parallel running, and provides cold-producing medium to described cooling coil; Weather forecast provides system, this weather forecast provide system provide the predicted value of the meteorological data that the place is set of described toilet, namely forecast temperature and the forecast humidity; And operational part, this operational part basis is from the temperature and humidity of the ambient atmos of described thermometer and the acquisition of described hygrometer and ambient atmos predicted temperature after this and the pre-measuring moisture of ambient atmos that provides system to obtain from described weather forecast, calculate prediction specific enthalpy and ambient atmos prediction dew point, and this operational part decides the work number of units of described many refrigerators in the described cold-producing medium generator according to described prediction specific enthalpy, ambient atmos predicted temperature and ambient atmos prediction dew point.
The invention effect
According to the present invention, the ambient atmos condition is taken into account, and based on this realize the inscape of the energy-saving run of air conditioner and air conditioner energy-saving run, be the energy-saving run of refrigerator, therefore, can make with minimum energy the air conditioning process work of the thermostatic constant wet chamber such as industrial toilet.
Description of drawings
Fig. 1 is the structure chart of air handling system.
Fig. 2 is the air humidity line chart that the refrigerator number of units control of ambient atmos specific enthalpy is used in expression.
Fig. 3 is the air humidity line chart of the state variation in the expression air conditioning process.
Fig. 4 is the air humidity line chart that improves effect that the state variation among Fig. 3 of ambient atmos dew point is used in expression.
Fig. 5 is the air humidity line chart that expression need not to provide the ambient atmos condition of cooling water.
Fig. 6 is the air humidity line chart of expression refrigerator number of units control.
Fig. 7 is the structure chart of prognoses system.
Fig. 8 is the flow chart of prognoses system.
Fig. 9 (a) is the figure of expression ambient atmos variations in temperature, and Fig. 9 (b) is the figure of expression forecast variations in temperature.
Figure 10 is the flow chart that utilizes the refrigerator increase process of prognoses system.
Figure 11 is the general structure figure of the air conditioning of the toilet in the semiconductor factory.
Figure 12 is the structure chart of workbench number control device of the refrigerator of existing use cooling water heat.
Figure 13 is the figure of expression refrigerator number of units control.
The specific embodiment
With reference to the description of drawings embodiments of the present invention.
Fig. 1 is the structure chart of the air handling system in the embodiments of the present invention.
This air handling system of implementing the air-conditioning control of toilet 100 has outdoor machine of air-conditioner 200 and provides system 400 and operational part 700 as the cooling water of cold-producing medium generator.
In addition, for toilet 100, will be released to from the air that outdoor machine of air-conditioner 200 is emitted indoor from Air blowing section 101.Air is released to the outside as waste gas 206 in the storehouse of a part, and residual gas circulates with Air blowing section 101 via the cooler 301 of air-conditioning internal machine 300.
Ambient atmos contacts with cooling coil 202 via the air cleaner 201 of outdoor machine of air-conditioner 200, and further contacts with heater 203, further by humidifier 204 it is carried out humidification again, and utilizes outdoor machine of air-conditioner fan 205 to send into toilet 100.Heater 203 is connected with boiler 500 with humidifier 204.
Ambient atmos temperature and the ambient atmos humidity of the ambient atmos of processing in outdoor machine of air-conditioner 200 are detected by thermometer 605, hygrometer 606.Operational part 700 is collected ambient atmos temperature, ambient atmos humidity in real time from thermometer 605 and hygrometer 606, and calculate specific enthalpy (kJ/kg) and the ambient atmos dew point (° CDP) of ambient atmos according to temperature (° C), humidity (%RH), and to cooling water provide the cooling water of system 400 provide systems control division 402, and the temperature indication of outdoor machine of air-conditioner 200 adjust meter 600 and send the operation indication.Cooling water provides systems control division 402 to make cooling water that the internal operation of system 400 is provided based on the indication of operational part 700.
The periphery of outdoor machine of air-conditioner 200 is provided with the thermometer 604 of mensuration intake air temperature, the temperature of indication intake air temperature is indicated adjustment meter 602, reached the dew point instrument 603 of measuring the air inlet dew point and the dew point indicating gage 601 of indicating the air inlet dew point.
Outdoor machine of air-conditioner 200 provides system 400 to be connected by the pipeline 409 that provides that cooling water is provided to cooling coil 202 with cooling water.
Cooling water provide be connected with in the system 400 many refrigerator 401a, 401b, 401c, optionally to cooling water flow become owner of pipe arrangement and cooling water reflux main pipe arrangement carry out parallel join bypass line 410,411 and the attendant equipment of refrigerator 401a～401c be cooling tower 412, cooling water pump 413.
The structure of operational part 700 is described based on concrete action.
The information of 700 pairs of inputs of operational part is processed, thereby the number of units that the refrigerator of operation in the system 400 is provided at cooling water is controlled.Particularly, carry out the control of refrigerator number of units according to ambient atmos specific enthalpy, ambient atmos temperature and ambient atmos dew point.
The relation of ambient atmos specific enthalpy and refrigerator work number of units at first, is described.
Fig. 2 is the air humidity line chart that the refrigerator number of units control of ambient atmos specific enthalpy is used in expression.The heat that should be processed by refrigerator be not as shown in figure 13 like that, calculate according to the cooling water heat in the past, but draw according to the air heat Calculation of the ambient atmos that should process.And, the air heat of the ambient atmos that should process calculates according to the ambient atmos specific enthalpy, and the ambient atmos specific enthalpy calculates according to ambient atmos temperature, ambient atmos humidity, therefore, if the relation of known air heat and refrigerator work number of units then can associate specific enthalpy and refrigerator work number of units.
For the air heat that determines ambient atmos and the number of units of refrigerator, the heat Q(GJ of the ambient atmos that calculating should be processed).Heat Q for the ambient atmos that should process, can be calculated by following formula, that is the ambient atmos specific enthalpy HA (kJ/kg) that, will calculate according to ambient atmos temperature and ambient atmos hygrometer and, the difference of being adjusted the specific enthalpy HB (kJ/kg) under the cooling coil outlet temperature of the indicated cooling coil 202 of meter 600 by the temperature indication multiply by the ambient atmos air quantity that should be processed by outdoor machine of air-conditioner 200.By the heat Q that should process and the treatable heat Q1(GJ of each refrigerator that will try to achieve thus) compare, can calculate the refrigerator number of units under the heat Q of ambient atmos.
As mentioned above, heat Q depends on ambient atmos specific enthalpy HA, therefore, by calculating the ambient atmos specific enthalpy HA under any heat Q, can determine the number of units of specific enthalpy and refrigerator.
Here, in Fig. 2, the number of units of the refrigerator that will work under the ambient atmos specific enthalpy, 1,2,3 are expressed as zone (1) (2) (3).For example, some A1 represents the representative point of the ambient atmos specific enthalpy in summer, and in the case, the work number of units of refrigerator is 3.Point B1 represents the representative point of the ambient atmos specific enthalpy of intergrade, and the work number of units of refrigerator is 1.
Among Fig. 2, some A2, some A3 are illustrated in the ambient atmos specific enthalpy that produces change under the variation of ambient atmos temperature, ambient atmos humidity.For the number of units of refrigerator, the zone is mobile upward if the ambient atmos specific enthalpy is in the zone of the specific enthalpy shown in (1) (2), zone (3), then increases refrigerator.If the zone is mobile, then reduce refrigerator downwards.
For the situation of Fig. 2, when the ambient atmos specific enthalpy was reduced to a some A3 from an A2, the work number of units of refrigerator reduced to 2 from 3.On the contrary, when the ambient atmos specific enthalpy was increased to a some A2 from an A3, refrigerator was increased to 3 from 2.
Then, utilize use ambient atmos specific enthalpy, ambient atmos temperature and the number of units ambient atmos dew point, refrigerator control number of units control that ambient atmos temperature and ambient atmos dew point carry out, among the present invention to describe in the number of units control of the refrigerator of above-mentioned use ambient atmos specific enthalpy, adding.
Fig. 3 shows the air humidity line chart of the state variation in the air conditioning process.Point C1 is in the presentation graphs 1, adjusts meter 602 indicated temperature being provided and adjusting the point that dew point is provided shown in the meter 601 by the dew point indication of dew point instrument 603 by the temperature indication of thermometer 604.In addition, some C2 represents the representative ambient atmos temperature in summer, the point of ambient atmos dew point; Point C3 represents the high ambient atmos temperature of intergrade, the point of low ambient atmos dew point.
In outdoor machine of air-conditioner 200, when carrying out air conditioning from a C2 to a C1, at first cool off (S131) and dehumidifying (S132) by cooling coil 202, adjust 600 indicated temperature 171 to reach the temperature indication, again by heater 203 be heated to temperature indication adjust meter 602 indicated temperature spot C1(S133 is provided), carry out thus air conditioning to temperature being provided, dew point is provided to a C1.
In addition, when carrying out air conditioning from a C3 to a C1, be cooled to temperature indication adjustment by cooling coil 202 and count 600 indicated temperature 172(S134), again by heater 203 be heated to temperature indication adjust meter 602 indicated temperature 173(S135 is provided), adjust indicated dew point is provided, namely puts C1(S136 of meter 601 by humidifier 204 humidifications to dew point indication again), carry out thus air conditioning to putting temperature being provided, dew point being provided of C1.At this moment, no matter adjust the indicated temperature of meter 600 by temperature indication in cooling coil 202 is under the ambient atmos condition of a C2 or some C3 all identical (171=172), therefore, cooling (S134), the heating (S135) of point C3 are repetitions in 172 and 173 interval, have caused the waste (state C) of energy.
The generation of this phenomenon is because the temperature indication of the cooling coil 202 of air conditioning process is in the past fixed all the time, and irrelevant with the state of ambient atmos.Therefore, in order to eliminate this waste, ambient atmos dew point and the state that dew point is provided are divided into two classes and set respectively required chilling temperature.Here, two classification refer to:
(a) ambient atmos dew point DPo 〉=provide dew point DPs
(b) ambient atmos dew point DPo＜provide dew point DPs
For (a) " DPo 〉=DPs ", be the ambient atmos dew point in situation about providing more than the dew point, need in cooling coil 202, adjust dew point.Therefore, design temperature depends on provides dew point,
So that the setting value point C1 that meter 601 is adjusted in the setting value 171=dew point indication of meter 600 is adjusted in the temperature indication
On the other hand, for (b) " DPo＜DPs ", be the situation that the ambient atmos dew point is lower than provides dew point, need in cooling coil 202, adjust temperature.Therefore, design temperature depends on provides temperature,
So that the setting value 173 that meter 602 is adjusted in the setting value 171=temperature indication of meter 600 is adjusted in the temperature indication
Consequently, compare with the cooling coil 202 of in the past air conditioning process, be lower than in the situation that dew point is provided at extraneous gas dew point, chilling temperature relaxes to some extent, therefore can reduce the cooling water use amount.
Fig. 4 is the air humidity line chart that improves effect that the state variation among Fig. 3 of ambient atmos dew point is used in expression.
By zone (A) expression (a) " DPo 〉=DPs ", by zone (B) expression (b) " DPo＜DPs ".For a C3, in zone (B), as Fig. 3 " state C ", cool off the part that repeats mutually with heating and in Fig. 4, be improved.
Fig. 5 is the air humidity line chart that expression need not to provide the ambient atmos condition of cooling water.
Being lower than by zone (C) expression ambient atmos dew point provides dew point and ambient atmos temperature to be lower than the state that temperature is provided.When carrying out air conditioning from a C4 to a C1, be heated to temperature indication by heater 203 and adjust the indicated temperature 173(S151 of meter 602), adjust indicated dew point is provided, namely puts C1(S152 of meter 601 by humidifier 204 humidifications to dew point indication again).Under the ambient atmos state of this C4, need not in cooling coil 202, to dehumidify, cool off as can be known.That is, do not use cooling water, therefore, provide system even stop cooling water, it is good that gas condition still belongs to.
Fig. 6 is that expression is of the present invention, the air humidity line chart of the number of units control that utilizes the refrigerator that ambient atmos specific enthalpy, ambient atmos temperature and ambient atmos dew point carry out, is the air humidity line chart that has added the condition of ambient atmos temperature among Fig. 5, that need not to provide cooling water and ambient atmos dew point in the number of units control of the refrigerator of the use ambient atmos specific enthalpy of Fig. 2.
Zone among Fig. 6 (0) shows the zone that expression can stop the ambient atmos condition of refrigerator, thus, can decide by trying to achieve ambient atmos specific enthalpy, ambient atmos temperature and ambient atmos dew point the number of units control of refrigerator.
Then, the ambient atmos forecasting process is directed in the number of units control that utilizes the refrigerator that ambient atmos specific enthalpy, ambient atmos temperature and ambient atmos dew point carry out, and precomputes the work number of units of refrigerator according to prediction specific enthalpy, ambient atmos predicted temperature and ambient atmos prediction dew point after this.
Fig. 7 is the structure chart of prognoses system.
Prognoses system is imported operational part 700, and collect the ambient atmos temperature from thermometer 605, collect ambient atmos humidity from hygrometer 606.In addition, provide system 800 by weather forecast and collect the meteorological data of this area via internet communication net 801.
Fig. 8 is the flow chart of the prognoses system in the operational part 700.
For the control cycle of this prognoses system, carry out the number of units control of refrigerator in order to utilize ambient atmos temperature prediction and ambient atmos humidity, process with the cycle about 1～10 minute.
Among the step S1, provide system 800 to collect forecast temperature and forecast humidity by operational part 700 by weather forecast.
Among the step S2, collect the measured value of ambient atmos temperature and ambient atmos humidity by thermometer 605, hygrometer 606.
Among the step S3, calculate X(° of C/min of forecast temperature slope under the current time t according to the forecast temperature of collecting among the step S1 and forecast humidity) and forecast humidity slope Y(%/° C).
In step S4, carry out the ambient atmos prediction.The variation of Fig. 9 (a) expression ambient atmos temperature, the variation of Fig. 9 (b) expression forecast temperature.Suppose that t is that current time, Tt are that ambient atmos temperature, Δ t actual under the current time t is required time (being generally about 30～60 minutes), t before refrigerator starts
1The moment (t for the hope prediction
1=t+ Δ t), and to moment t
1Under ambient atmos predicted temperature Tt
1Forecasting Methodology describe.
Come ambient atmos predicted temperature Tt in the calculating book invention according to following formula
1
Ambient atmos predicted temperature Tt
1T(° of C of=Tt+X Δ)
Thus, try to achieve ambient atmos predicted temperature Tt according to ambient atmos temperature and the forecast temperature slope of reality
1
According to the time dependent data of forecast temperature of Weather Forecast Information, forecast temperature slope X is made as the slope of the variations in temperature under the current time t.Because Weather Forecast Information issues at regular intervals, therefore can try to achieve near the current time t two temperature datas by time diffusion method etc.
Thus, can calculate the moment t that wishes prediction
1Under the ambient atmos predicted temperature.In addition and since the pre-measuring moisture of ambient atmos also can adopt with above-mentioned shown in the identical method of the Forecasting Methodology of ambient atmos temperature calculate, so the description thereof will be omitted.
Among the step S5, utilize the pre-measuring moisture of ambient atmos predicted temperature and ambient atmos and calculate the moment t of hope prediction by computing
1Under prediction specific enthalpy and ambient atmos prediction dew point.
Among the step S6, utilize prediction specific enthalpy, ambient atmos predicted temperature and ambient atmos prediction dew point, obtain the zone shown in Fig. 6, decide thus the refrigerator number of units.
Among the step S7, provide systems control division 402 with information output to cooling water.
Among the step S6, further utilize the change of the prediction specific enthalpy, ambient atmos predicted temperature and the ambient atmos prediction dew point that predict to control, to avoid carrying out continually increase and the minimizing of refrigerator work number of units.
Utilize Fig. 6 that the situation that increases and reduce refrigerator is described.
For example, if the ambient atmos specific enthalpy under the current time t is the zone (2) of some A3, and moment t
1Under the prediction specific enthalpy become the zone (3) of an A2, then refrigerator is increased to 3 from 2.
The below describes the situation that reduces the work number of units.For example, for the zone (3) of the ambient atmos specific enthalpy under the current time t for some A2, and moment t
1The time, the prediction specific enthalpy becomes the situation in the zone (2) of an A3, at moment t to t constantly
1Between, do not reduce the work number of units of refrigerator.Condition in the work number of units that reduces refrigerator satisfies moment t to moment t
1Between all prediction specific enthalpies of predicting be zone (2) and t constantly
1Under the ambient atmos specific enthalpy be that the zone is when (2), at moment t
1The time reduce refrigerator.For moment t
1Under the ambient atmos specific enthalpy do not satisfy the situation in zone (2), do not reduce refrigerator.
Thus, increase for refrigerator, if prediction will increase, then constantly increase immediately at this, and for the minimizing of refrigerator, only more than certain time, predict in the time of will reducing and at extraneous gas condition under the moment that predicts and also satisfy the number of units that just reduces refrigerator in the situation about reducing.Thus, can prevent that the cooling capacity deficiency of refrigerator is so that the cooling water temperature rising.In addition, unstable so that situation about repeatedly increasing and decreasing also can prevent from increasing repeatedly/reducing refrigerator work number of units for ambient atmos specific enthalpy, ambient atmos temperature and ambient atmos dew point.
In addition, use the number of units control of the refrigerator of above-mentioned utilization prediction specific enthalpy, ambient atmos predicted temperature and ambient atmos prediction dew point, increase in advance the standby operation of refrigerator, the quality that provides of cooling water can be provided thus.
So-called standby operation refers to, by making in advance refrigerator work, thereby before increasing refrigerator, just can process the state of cooling water, coming in advance cooling water to be provided the 400(Fig. 1 of system) cold water process one-tenth in the pipe arrangement, that temperature rises provides the quality temperature.
Standby operation when increasing refrigerator provides pipeline 409 is provided and cooling water flow is become owner of pipe arrangement and the cooling water bypass line 410,411 that main pipe arrangement links to each other that refluxes carry out of cooling water by shown in Figure 1 to outdoor machine of air-conditioner.
Figure 10 is the flow chart that utilizes the refrigerator increase process of prognoses system.
Among the step S1, by the moment t that is predicted by operational part 700
1Under prediction specific enthalpy, ambient atmos predicted temperature and the ambient atmos prediction dew point work number of units of predicting refrigerator.To reduce work number of units or work number of units execution in step S2 when constant when in step S1, being contemplated for.
When in step S2, the work number of units of current time t and the moment t of prediction
1Under number of units when identical, opening provides pipeline 409.Opening here is to point to this pipeline to pass into cooling water.
In step S3, close bypass line 410.Closing here refers to not pass into cooling water to this pipeline.
Execution in step S4 when 700 judgements of operational part in step S1 need increase work number of units.
Among the step S4, provide systems control division 402 to send indication to cooling water, so that the refrigerator that will increase carries out the standby operation.
Among the step S5, cooling water provides systems control division 402 to judge the number of units of current refrigerator of working.Be execution in step S6～step S11 in 0 the situation in current work number of units.
Among the step S6, because whole cooling water provides the temperature of the interior cooling water of the cooling water pipe of system 400 to rise, therefore closing provides pipeline 409.
In step S7, open bypass line 410.
In step S8, make the refrigerator work of carrying out the standby operation.
In step S9, carry out the standby operation.After the refrigerator that will increase carries out the standby operation, the moment t that is predicting
1When sending the indication of number of units increase by the control of refrigerator number of units down, making in step S10 provides pipeline 409 to open, and in step S11, finishes the standby operation by closing bypass line 410.
When in step S5, judging current work number of units as 1 or 2, execution in step S12～step S17.
Among the step S12, owing to providing cooling water to outdoor machine of air-conditioner 202, therefore opening provides pipeline 409.
In step S13, open bypass line 411.
In step S14, make the refrigerator work of carrying out the standby operation.
Among the step S15, after the refrigerator that will increase carries out the standby operation, the moment t that is predicting
1Control to indicate the increase number of units by the refrigerator number of units down.
Opening in step S16 provides pipeline 409.
Among the step S17, finish the standby operation by closing bypass line 411.
Thus, similarly make the formation cooling water that miscellaneous equipment (cooling tower 412, the cooling water pump 413 of system are provided by stopping freezing function, Fig. 1) stop, therefore, can provide a kind of can make it carry out work and can make refrigerator when work that the method for stable cooling water is provided with minimum energy.
In addition, in the above-mentioned embodiment, cooling water provides system 400 to have many refrigerator 401a, 401b, 401c, operational part 700 comes providing the number of units of the refrigerator of parallel running in the system 400 to switch at cooling water according to service condition, thereby the condition according to ambient atmos, carry out the minimum load operation of refrigerator and the minimum operation of outdoor machine of air-conditioner cooling water load, and according to the indication of operational part 700 make the service ability of the larger single refrigerator of ability variable can realize too energy-conservation.
Industrial practicality
The present invention can carry out the minimum load operation of refrigerator and the minimum operation of outdoor machine of air-conditioner cooling water load according to the condition of ambient atmos, thereby contribution has been made in the reduction of the operation funds of the various production equipments that use the toilet.
Label declaration
100 toilets
101 Air blowing sections
200 outdoor machine of air-conditioner
201 air cleaners
202 cooling coils
203 heaters
204 humidifiers
205 outdoor machine of air-conditioner fans
206 waste gas
300 air-conditioning internal machines
301 coolers
400 cooling waters provide system
401a, 401b, 401c refrigerator
402 cooling waters provide systems control division
409 provide pipeline
410,411 bypass lines
412 cooling towers
413 cooling water pumps
500 boilers
Meter is adjusted in the indication of 600 temperature
Meter is adjusted in the indication of 601 dew points
Meter is adjusted in the indication of 602 temperature
603 dew point instruments
604 thermometers
605 thermometers
606 hygrometers
700 operational parts
800 weather forecasts provide system
801 internet communication nets.
Claims (4)
1. the air conditioning control method of a toilet, when by outdoor machine of air-conditioner the air after air conditioning being sent into the toilet and carries out air-conditioning control,
After the temperature and humidity of the ambient atmos that described outdoor machine of air-conditioner is sucked is measured, based on this temperature and humidity of measuring, and the predicted value of the meteorological data that the place is set of described toilet, namely forecast temperature and forecast humidity, calculate after this ambient atmos predicted temperature and the pre-measuring moisture of ambient atmos
Calculate prediction specific enthalpy and ambient atmos prediction dew point according to described ambient atmos predicted temperature and the pre-measuring moisture of described ambient atmos,
According to described prediction specific enthalpy and ambient atmos predicted temperature and ambient atmos prediction dew point, come the cooling coil of the described outdoor machine of air-conditioner of subtend to provide the operation of the cold-producing medium generator of cold-producing medium to control.
2. the air conditioning control method of toilet as claimed in claim 1 is characterized in that,
The ambient atmos dew point that will calculate according to the described temperature and humidity that is measured to, compare with the dew point that provides that in described air conditioning step, the toilet is carried out air conditioning, for the Temperature Setting of described cooling coil,
When ambient atmos dew point≤when dew point is provided, the operation of cold-producing medium generator is controlled, set=provide temperature with approximate satisfied temperature;
When ambient atmos dew point＞when dew point is provided, the operation of cold-producing medium generator is controlled, set=provide the temperature of dew point with approximate satisfied temperature.
3. the air conditioning control method of toilet as claimed in claim 1 or 2 is characterized in that,
When described ambient atmos prediction dew point be lower than carry out to described toilet air conditioning provide dew point and described ambient atmos predicted temperature to be lower than to provide temperature the time, stop the operation of described cold-producing medium generator, so that do not provide cold-producing medium to described cooling coil.
4. the air conditioning control device of a toilet comprises:
Outdoor machine of air-conditioner, the heater that this outdoor machine of air-conditioner has cooling coil that gas to external world cools off, heat the ambient atmos by described cooling coil and to carry out the humidifier of humidification by the ambient atmos of described heater, thus this outdoor machine of air-conditioner to external world gas carry out air conditioning and it sent into the toilet;
Thermometer, this thermometer are measured the temperature of the ambient atmos that described outdoor machine of air-conditioner sucks;
Hygrometer, this hygrometer are measured the humidity of the ambient atmos that described outdoor machine of air-conditioner sucks;
Cold-producing medium generator, this cold-producing medium generator have many refrigerators of energy parallel running, and provide cold-producing medium to described cooling coil;
Weather forecast provides system, this weather forecast provide system provide the predicted value of the meteorological data that the place is set of described toilet, namely forecast temperature and the forecast humidity; And
Operational part, this operational part basis is calculated prediction specific enthalpy and ambient atmos prediction dew point from the temperature and humidity of the ambient atmos of described thermometer and the acquisition of described hygrometer and ambient atmos predicted temperature after this and the pre-measuring moisture of ambient atmos that provides system to obtain from described weather forecast
And this operational part decides the work number of units of described many refrigerators in the described cold-producing medium generator according to described prediction specific enthalpy, ambient atmos predicted temperature and ambient atmos prediction dew point.
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| JP2012-097232 | 2012-04-23 | ||
| JP2012097232A JP2013224794A (en) | 2012-04-23 | 2012-04-23 | Method and device for air conditioning control of clean room |
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| CN114777241A (en) * | 2022-05-25 | 2022-07-22 | 四川科特空调净化有限责任公司 | Fluid energy recycling control system for clean room |
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| JP6618388B2 (en) * | 2016-02-26 | 2019-12-11 | 清水建設株式会社 | Air conditioning system |
| JP7360234B2 (en) | 2016-08-25 | 2023-10-12 | 高砂熱学工業株式会社 | Air conditioning system control device, control method, control program, and air conditioning system |
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| JP7079122B2 (en) * | 2018-03-14 | 2022-06-01 | 東京瓦斯株式会社 | Cooling system |
| JP2019190705A (en) * | 2018-04-23 | 2019-10-31 | 株式会社東芝 | Arithmetic unit, arithmetic method, and arithmetic program |
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