CN105094027B - A kind of environmental physical parameter control method - Google Patents
A kind of environmental physical parameter control method Download PDFInfo
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- CN105094027B CN105094027B CN201510392142.1A CN201510392142A CN105094027B CN 105094027 B CN105094027 B CN 105094027B CN 201510392142 A CN201510392142 A CN 201510392142A CN 105094027 B CN105094027 B CN 105094027B
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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Abstract
The invention provides a kind of environmental physical parameter control method, in the present invention by first setting indicated value upper limit alarm, indicated value lower limit is reported to the police, deviation upper limit alarm, the lower limit of variation is reported to the police, the multiple type of alarm such as the outer warning of bound deviation range and the interior warning of bound deviation range, go the physical parameter show value PV (actual measured value) gathering in environment and environmental physical parameter preset value SP according to concrete type of alarm again, thereby environmental physical parameter alarming value POINT and not sensing zone region HYS compare the physical parameter adjusting device that controls environment, the control precision with strong points of this mode is high, the programming of algorithm relatively easily can not wasted large human cost and hardware resource yet, thereby the control of cost and the reduction of energy consumption are realized.
Description
Technical field
The present invention relates to laboratory environment monitoring field, more specifically, relate to a kind of environmental physical parameter controlling partyMethod.
Background technology
Laboratory equipment has temperature, humidity requirement separately, particularly some precision instruments or special industry,Their laboratory requires higher to humiture, for example, in root weaving, dyeing, testing environment temperature,The variation of humidity all has a great impact all technical of textile. To these special experimental laboratory humituresObserving and controlling is that the necessary work such as scientific experiment are carried out in particular/special requirement laboratory, and traditional test and control are according to notSame humidity requirement, by the different adjusting final state of hardware setting, can arrive the humidity regulation bamboo of lab spaceSetting value. The electric measure and control instrument that typically uses the instrument such as thermometer, humidometer and output analog quantity carrys out observing and controlling numberAccording to, be by the humiture value that manually reads and record on analogue instrument. These method control accuracies are low, consumptionCost is high, and consuming time.
Summary of the invention
The object of the present invention is to provide a kind of environmental physical parameter control method, the method control accuracy is high, disappearsThe cost of consumption is low.
Another object of the present invention is to provide a kind of environmental physical parameter control system.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of environmental physical parameter control method, comprises the following steps:
S1: determine environmental physical parameter preset value SP, environmental physical parameter alarming value POINT and not sensing zone districtTerritory HYS, and set type of alarm;
S2: gather the environmental physical parameter show value PV of current environment, type of alarm comprises indicated value upper limit reportPolice, the warning of indicated value lower limit, deviation upper limit alarm, the lower limit of variation report to the police, bound deviation range outer report to the police andIn bound deviation range, report to the police. ;
S3: selected type of alarm, by default to current environmental physical parameter show value PV and environmental physical parameterThereby value SP, environmental physical parameter alarming value POINT and not sensing zone region HYS compare and allow environmentPhysical parameter adjusting device start and stop, in the time that PV arrives SP, are not wherein to make immediately environmental physical parameter regulateDevice stops or starting, but arranges between a buffering area that size is HYS from SP to POINT with increaseIn the time interval of environmental physical parameter adjusting device start and stop, make not frequent start-stop of environmental physical parameter adjusting device;
The detailed process of step S3 comprises following Selective type:
1) selected type of alarm is the indicated value upper limit and warning direct action and during without standby, if PV > is POINT,Environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, environmental physical parameter adjusting device stopsWork; If PV < POINT and PV > POINT-HYS environmental physical parameter adjusting device keep current state;
2) selected type of alarm is the indicated value upper limit and warning negative actuation and during without standby, if PV > is POINT,Environmental physical parameter adjusting device quits work; If PV < is POINT-HYS, environmental physical parameter adjusting deviceOpen; If PV < POINT and PV > POINT-HYS environmental physical parameter adjusting device keep current state;
3) selected type of alarm is the indicated value upper limit and warning direct action and while having standby, if PV > is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, and show value and setting valueAfter intersection, environmental physical parameter adjusting device quits work; If PV < POINT and PV > POINT-HYSEnvironmental physical parameter adjusting device keeps current state;
4) selected type of alarm is the indicated value upper limit and warning negative actuation and while having standby, if PV > is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV < is POINT-HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device is opened; If PV < POINT and PV > POINT-HYSEnvironmental physical parameter adjusting device keeps current state;
5) selected type of alarm is indicated value lower limit and warning direct action and during without standby, if PV < is POINT,Environmental physical parameter adjusting device is opened; If PV > is POINT+HYS, environmental physical parameter adjusting device stopsWork; If PV > POINT and PV < POINT+HYS environmental physical parameter adjusting device keep current state;
6) selected type of alarm is indicated value lower limit and warning negative actuation and during without standby, if PV < is POINT,Environmental physical parameter adjusting device quits work; If PV > is POINT+HYS, environmental physical parameter adjusting deviceOpen; If PV > POINT and PV < POINT+HYS environmental physical parameter adjusting device keep current state;
7) selected type of alarm is indicated value lower limit and warning direct action and while having standby, if PV < is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; PV > POINT+HYS, and show value and setting value friendshipAfter fork, environmental physical parameter adjusting device quits work; If PV > POINT and PV < POINT+HYS ringBorder physical parameter adjusting device keeps current state;
8) selected type of alarm is indicated value lower limit and warning negative actuation and while having standby, if PV < is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, and show value and setting valueAfter intersection, environmental physical parameter adjusting device quits work; If PV > POINT and PV < POINT+HYSEnvironmental physical parameter adjusting device keeps current state;
9) selected type of alarm is the deviation upper limit and warning direct action and during without standby, if PV > is SP+POINT,Environmental physical parameter adjusting device is opened; If PV < is SP+POINT-HYS, environmental physical parameter adjusting deviceQuit work; If PV < SP+POINT and PV > SP+POINT-HYS environmental physical parameter adjusting device are protectedHold current state;
10) selected type of alarm is the deviation upper limit and warning negative actuation and during without standby, if PV > is SP+POINT,Environmental physical parameter adjusting device quits work; If PV < is SP+POINT-HYS, environmental physical parameter regulatesDevice is opened; If PV < SP+POINT and PV > SP+POINT-HYS environmental physical parameter adjusting device are protectedHold current state;
11) selected type of alarm is the deviation upper limit and warning direct action and while having standby, if PV > is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is SP+POINT-HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device quits work; If PV < SP+POINT and PV >SP+POINT-HYS environmental physical parameter adjusting device keeps current state;
12) selected type of alarm is the deviation upper limit and warning negative actuation and while having standby, if PV > is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV < is SP+POINT-HYS, and show valueAfter intersecting with setting value, environmental physical parameter adjusting device is opened; If PV < SP+POINT and PV >SP+POINT-HYS environmental physical parameter adjusting device keeps current state;
13) selected type of alarm is the lower limit of variation and warning direct action and during without standby, if PV < is SP+POINT,Environmental physical parameter adjusting device is opened; If PV > is SP+POINT+HYS, environmental physical parameter adjusting deviceQuit work; If PV > SP+POINT and PV < SP+POINT+HYS environmental physical parameter adjusting deviceKeep current state;
14) selected type of alarm is the lower limit of variation and warning negative actuation and during without standby, if PV < is SP+POINT,Environmental physical parameter adjusting device quits work; If PV > is SP+POINT+HYS, environmental physical parameter regulatesDevice is opened; If PV > SP+POINT and PV < SP+POINT+HYS environmental physical parameter adjusting deviceKeep current state;
15) selected type of alarm is the lower limit of variation and warning direct action and while having standby, if PV < is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV > is SP+POINT+HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device quits work; If PV > SP+POINT and PV <SP+POINT+HYS environmental physical parameter adjusting device keeps current state;
16) selected type of alarm is the lower limit of variation and warning negative actuation and while having standby, if PV < is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV > is SP+POINT+HYS, and show valueAfter intersecting with setting value, environmental physical parameter adjusting device is opened; If PV > SP+POINT and PV <SP+POINT+HYS environmental physical parameter adjusting device keeps current state;
17) selected type of alarm is the outer and warning direct action of bound deviation range and ， Ruo ∣ PV-SP during without standby∣ > POINT, environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣≤POINT-HYS, environment thingQuit work ， Ruo ∣ PV-SP ∣≤POINT Qie ∣ PV-SP ∣ > POINT-HYS ring of reason parameter adjustment controlBorder physical parameter adjusting device keeps current state;
18) selected type of alarm is the outer and warning direct action of bound deviation range and while having standby, if ∣ is PV-SP∣ > POINT, and environmental physical parameter show value PV arrived after setting value SP, show value with establishDefinite value has at least once intersects, and environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣≤POINT-HYS,And show value with setting value intersect after, environmental physical parameter adjusting device quit work ， Ruo ∣ PV-SP ∣≤POINT Qie ∣ PV-SP ∣ > POINT-HYS environmental physical parameter adjusting device keeps current state;
19) selected type of alarm is in bound deviation range and warning direct action and ， Ruo ∣ PV-SP during without standby∣≤POINT, environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣ >=POINT+HYS, environment thingThe reason parameter adjustment control ， Ruo ∣ PV-SP ∣ > POINT Qie ∣ PV-SP ∣≤POINT-HYS ring that quits workBorder physical parameter adjusting device keeps current state.
20) selected type of alarm is in bound deviation range and warning direct action and while having standby, if ∣ is PV-SP∣≤POINT, and environmental physical parameter show value PV arrived after setting value SP, show value with establishDefinite value has at least once intersects, and environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣ >=POINT+HYS, and show value with setting value intersect after, environmental physical parameter adjusting device quits work, if∣ PV-SP ∣ > POINT Qie ∣ PV-SP ∣≤POINT-HYS environmental physical parameter adjusting device keeps working asFront state;
Wherein, after " standby " expression PV arrives SP, environmental physical parameter adjusting device just had start stop operation," have standby " and represent to be subject to the constraint of " standby " this condition, " without standby " represent not to be subject to " standby " thisThe constraint of condition; Warning direct action represents that the parameter of physical parameter adjusting device execution expection regulates action, reports to the policeNegative actuation is warning direct action inverse operation.
Preferably, described environmental physical parameter is that temperature, humidity, intensity of illumination, ultraviolet in current environment is strongDegree, gas concentration lwevel, carbonomonoxide concentration, oxygen concentration, concentration of hydrogen sulfide, nitrogen gas concn, oxygen contentOr air pressure.
Preferably, described environmental physical parameter adjusting device be cryogenic compressor, evaporimeter, condenser/evaporator,Part before relay, contactor, compressor, blower fan, expansion valve in magnetic valve or auxiliary cooling magnetic valve orThe unit of the whole composition controls of person.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
In the present invention by first set indicated value upper limit alarm, the warning of indicated value lower limit, deviation upper limit alarm,The multiple warning classes such as lower limit of variation warning, the outer warning of bound deviation range and the interior warning of bound deviation rangeType, then go the physical parameter show value PV gathering in environment and environmental physics ginseng according to concrete type of alarmThereby number preset value SP, environmental physical parameter alarming value POINT and not sensing zone region HYS compare controlEnvironmental physical parameter adjusting device processed, the control precision with strong points of this mode is high, and the programming of algorithm is alsoRelatively easily can not waste large human cost and hardware resource, thereby realize the control of cost and falling of energy consumptionLow.
Brief description of the drawings
Fig. 1 is the inventive method flow chart;
Fig. 2 is several job category schematic diagrames while selecting indicated value upper limit alarm in the present invention;
Fig. 3 is several job category schematic diagrames while selecting indicated value lower limit to report to the police in the present invention;
Fig. 4 is several job category schematic diagrames while selecting deviation upper limit alarm in the present invention;
Fig. 5 is several job category schematic diagrames while selecting the lower limit of variation to report to the police in the present invention;
Fig. 6 is several job category schematic diagrames while selecting bound deviation range to report to the police in the present invention outward;
Fig. 7 is several job category schematic diagrames while selecting the interior warning of bound deviation range in the present invention;
Fig. 8 is the course of action schematic diagram of every kind of type of alarm of the present invention.
Detailed description of the invention
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
For better explanation the present embodiment, some parts of accompanying drawing have omission, zoom in or out, and do not represent realityThe size of border product;
To those skilled in the art, in accompanying drawing some known features and explanation thereof may to omit be to manageSeparate.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of environmental physical parameter control method, comprises the following steps:
S1: determine environmental physical parameter preset value SP, environmental physical parameter alarming value POINT and not sensing zone districtTerritory HYS, and set type of alarm;
S2: the environmental physical parameter show value PV that gathers current environment;
S3: selected type of alarm, by default to current environmental physical parameter show value PV and environmental physical parameterThereby value SP, environmental physical parameter alarming value POINT and not sensing zone region HYS compare and allow environmentPhysical parameter adjusting device start and stop, in the time that PV arrives SP, are not wherein to make immediately environmental physical parameter regulateDevice stops or starting, but arranges between a buffering area that size is HYS from SP to POINT with increaseIn the time interval of environmental physical parameter adjusting device start and stop, make not frequent start-stop of environmental physical parameter adjusting device.
In the present embodiment, environmental physical parameter is that temperature, humidity, intensity of illumination, the ultraviolet in current environment is strongDegree, gas concentration lwevel, carbonomonoxide concentration, oxygen concentration, concentration of hydrogen sulfide, nitrogen gas concn, oxygen contentOr air pressure; Environmental physical parameter adjusting device be cryogenic compressor, evaporimeter, condenser/evaporator, relay,Magnetic valve or auxiliary cooling magnetic valve before contactor, compressor, blower fan, expansion valve.
As shown in Fig. 2-8, the concrete operations of the inventive method comprise following several Selective type:
1) selected type of alarm is the indicated value upper limit and warning direct action and during without standby, if PV > is POINT,Environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, environmental physical parameter adjusting device stopsWork; If PV < POINT and PV > POINT-HYS environmental physical parameter adjusting device keep current state;
2) selected type of alarm is the indicated value upper limit and warning negative actuation and during without standby, if PV > is POINT,Environmental physical parameter adjusting device quits work; If PV < is POINT-HYS, environmental physical parameter adjusting deviceOpen; If PV < POINT and PV > POINT-HYS environmental physical parameter adjusting device keep current state;
3) selected type of alarm is the indicated value upper limit and warning direct action and while having standby, if PV > is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, and show value and setting valueAfter intersection, environmental physical parameter adjusting device quits work; If PV < POINT and PV > POINT-HYSEnvironmental physical parameter adjusting device keeps current state;
4) selected type of alarm is the indicated value upper limit and warning negative actuation and while having standby, if PV > is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV < is POINT-HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device is opened; If PV < POINT and PV > POINT-HYSEnvironmental physical parameter adjusting device keeps current state;
5) selected type of alarm is indicated value lower limit and warning direct action and during without standby, if PV < is POINT,Environmental physical parameter adjusting device is opened; If PV > is POINT+HYS, environmental physical parameter adjusting device stopsWork; If PV > POINT and PV < POINT+HYS environmental physical parameter adjusting device keep current state;
6) selected type of alarm is indicated value lower limit and warning negative actuation and during without standby, if PV < is POINT,Environmental physical parameter adjusting device quits work; If PV > is POINT+HYS, environmental physical parameter adjusting deviceOpen; If PV > POINT and PV < POINT+HYS environmental physical parameter adjusting device keep current state;
7) selected type of alarm is indicated value lower limit and warning direct action and while having standby, if PV < is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; PV > POINT+HYS, and show value and setting value friendshipAfter fork, environmental physical parameter adjusting device quits work; If PV > POINT and PV < POINT+HYS ringBorder physical parameter adjusting device keeps current state;
8) selected type of alarm is indicated value lower limit and warning negative actuation and while having standby, if PV < is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, and show value and setting valueAfter intersection, environmental physical parameter adjusting device quits work; If PV > POINT and PV < POINT+HYSEnvironmental physical parameter adjusting device keeps current state;
9) selected type of alarm is the deviation upper limit and warning direct action and during without standby, if PV > is SP+POINT,Environmental physical parameter adjusting device is opened; If PV < is SP+POINT-HYS, environmental physical parameter adjusting deviceQuit work; If PV < SP+POINT and PV > SP+POINT-HYS environmental physical parameter adjusting device are protectedHold current state;
10) selected type of alarm is the deviation upper limit and warning negative actuation and during without standby, if PV > is SP+POINT,Environmental physical parameter adjusting device quits work; If PV < is SP+POINT-HYS, environmental physical parameter regulatesDevice is opened; If PV < SP+POINT and PV > SP+POINT-HYS environmental physical parameter adjusting device are protectedHold current state;
11) selected type of alarm is the deviation upper limit and warning direct action and while having standby, if PV > is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is SP+POINT-HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device quits work; If PV < SP+POINT and PV >SP+POINT-HYS environmental physical parameter adjusting device keeps current state;
12) selected type of alarm is the deviation upper limit and warning negative actuation and while having standby, if PV > is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV < is SP+POINT-HYS, and show valueAfter intersecting with setting value, environmental physical parameter adjusting device is opened; If PV < SP+POINT and PV >SP+POINT-HYS environmental physical parameter adjusting device keeps current state;
13) selected type of alarm is the lower limit of variation and warning direct action and during without standby, if PV < is SP+POINT,Environmental physical parameter adjusting device is opened; If PV > is SP+POINT+HYS, environmental physical parameter adjusting deviceQuit work; If PV > SP+POINT and PV < SP+POINT+HYS environmental physical parameter adjusting deviceKeep current state;
14) selected type of alarm is the lower limit of variation and warning negative actuation and during without standby, if PV < is SP+POINT,Environmental physical parameter adjusting device quits work; If PV > is SP+POINT+HYS, environmental physical parameter regulatesDevice is opened; If PV > SP+POINT and PV < SP+POINT+HYS environmental physical parameter adjusting deviceKeep current state;
15) selected type of alarm is the lower limit of variation and warning direct action and while having standby, if PV < is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV > is SP+POINT+HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device quits work; If PV > SP+POINT and PV <SP+POINT+HYS environmental physical parameter adjusting device keeps current state;
16) selected type of alarm is the lower limit of variation and warning negative actuation and while having standby, if PV < is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV > is SP+POINT+HYS, and show valueAfter intersecting with setting value, environmental physical parameter adjusting device is opened; If PV > SP+POINT and PV <SP+POINT+HYS environmental physical parameter adjusting device keeps current state;
17) selected type of alarm is the outer and warning direct action of bound deviation range and ， Ruo ∣ PV-SP during without standby∣ > POINT, environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣≤POINT-HYS, environment thingQuit work ， Ruo ∣ PV-SP ∣≤POINT Qie ∣ PV-SP ∣ > POINT-HYS ring of reason parameter adjustment controlBorder physical parameter adjusting device keeps current state;
18) selected type of alarm is the outer and warning direct action of bound deviation range and while having standby, if ∣ is PV-SP∣ > POINT, and environmental physical parameter show value PV arrived after setting value SP, show value with establishDefinite value has at least once intersects, and environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣≤POINT-HYS,And show value with setting value intersect after, environmental physical parameter adjusting device quit work ， Ruo ∣ PV-SP ∣≤POINT Qie ∣ PV-SP ∣ > POINT-HYS environmental physical parameter adjusting device keeps current state;
19) selected type of alarm is in bound deviation range and warning direct action and ， Ruo ∣ PV-SP during without standby∣≤POINT, environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣ >=POINT+HYS, environment thingThe reason parameter adjustment control ， Ruo ∣ PV-SP ∣ > POINT Qie ∣ PV-SP ∣≤POINT-HYS ring that quits workBorder physical parameter adjusting device keeps current state;
20) selected type of alarm is in bound deviation range and warning direct action and while having standby, if ∣ is PV-SP∣≤POINT, and environmental physical parameter show value PV arrived after setting value SP, show value with establishDefinite value has at least once intersects, and environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣ >=POINT+HYS, and show value with setting value intersect after, environmental physical parameter adjusting device quits work, if∣ PV-SP ∣ > POINT Qie ∣ PV-SP ∣≤POINT-HYS environmental physical parameter adjusting device keeps working asFront state;
Wherein, after " standby " expression PV arrives SP, environmental physical parameter adjusting device just had start stop operation(if the environment temperature PV of the current actual measurement of example is 35 DEG C, and preset temperature is 32 DEG C, in this case no matterWhether PV is greater than POINT, and environmental physical parameter adjusting device meeting has start and stop action), " having standby " represents to be subject toThe constraint of " standby " this condition, " without standby " represents not to be subject to the constraint of " standby " this condition; Report to the policeDirect action represents that warning direct action represents that the parameter of physical parameter adjusting device execution expection regulates action, is just reporting to the policeAction represents that the parameter of physical parameter adjusting device execution expection regulates the anti-operation of action. For example, elected definitenessWhen indicating value upper limit alarm, when direct action, when temperature show value PV > alarm point POINT, open compressor, PVClose compressor when < POINT-HYS, negative actuation is close compressor in the time of PV > alarm point POINT,When PV < POINT-HYS, open compressor.
In this enforcement, the selection of type of alarm is summarized as table 1 and for every kind of type of alarm letter designation, Qi ZhongbiaoIn 1, outbound course is for just representing warning direct action, and outbound course is reciprocal representation warning negative actuation:
Table 1 type of alarm option table
In the present embodiment, as shown in Figure 8, wherein D represents deviation (PV-SP) to the course of action of every kind of type of alarm.
The corresponding same or analogous parts of same or analogous label;
In accompanying drawing, describe position relationship for only for exemplary illustration, can not be interpreted as the limit to this patentSystem;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is notIt is the restriction to embodiments of the present invention. For those of ordinary skill in the field, in above-mentioned explanationBasis on can also make other changes in different forms. Here without also cannot be to all enforcementMode gives exhaustive. All any amendments of doing within the spirit and principles in the present invention, be equal to replace and improveDeng, within all should being included in the protection domain of the claims in the present invention.
Claims (3)
1. an environmental physical parameter control method, is characterized in that, comprises the following steps:
S1: determine environmental physical parameter preset value SP, environmental physical parameter alarming value POINT and not sensing zone districtTerritory HYS, and set type of alarm, type of alarm comprise indicated value upper limit alarm, indicated value lower limit report to the police,Deviation upper limit alarm, the lower limit of variation are reported to the police, bound deviation range is outer reports to the police and the interior warning of bound deviation range;
S2: the environmental physical parameter show value PV that gathers current environment;
S3: selected type of alarm, by default to current environmental physical parameter show value PV and environmental physical parameterThereby value SP, environmental physical parameter alarming value POINT and not sensing zone region HYS compare and allow environmentPhysical parameter adjusting device start and stop, in the time that PV arrives SP, are not wherein to make immediately environmental physical parameter regulateDevice stops or starting, but arranges between a buffering area that size is HYS from SP to POINT with increaseIn the time interval of environmental physical parameter adjusting device start and stop, make not frequent start-stop of environmental physical parameter adjusting device;The detailed process of step S3 comprises following Selective type:
1) selected type of alarm is the indicated value upper limit and warning direct action and during without standby, if PV > is POINT,Environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, environmental physical parameter adjusting device stopsWork; If PV < POINT and PV > POINT-HYS environmental physical parameter adjusting device keep current state;
2) selected type of alarm is the indicated value upper limit and warning negative actuation and during without standby, if PV > is POINT,Environmental physical parameter adjusting device quits work; If PV < is POINT-HYS, environmental physical parameter adjusting deviceOpen; If PV < POINT and PV > POINT-HYS environmental physical parameter adjusting device keep current state;
3) selected type of alarm is the indicated value upper limit and warning direct action and while having standby, if PV > is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, and show value and setting valueAfter intersection, environmental physical parameter adjusting device quits work; If PV < POINT and PV > POINT-HYSEnvironmental physical parameter adjusting device keeps current state;
4) selected type of alarm is the indicated value upper limit and warning negative actuation and while having standby, if PV > is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV < is POINT-HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device is opened; If PV < POINT and PV > POINT-HYSEnvironmental physical parameter adjusting device keeps current state;
5) selected type of alarm is indicated value lower limit and warning direct action and during without standby, if PV < is POINT,Environmental physical parameter adjusting device is opened; If PV > is POINT+HYS, environmental physical parameter adjusting device stopsWork; If PV > POINT and PV < POINT+HYS environmental physical parameter adjusting device keep current state;
6) selected type of alarm is indicated value lower limit and warning negative actuation and during without standby, if PV < is POINT,Environmental physical parameter adjusting device quits work; If PV > is POINT+HYS, environmental physical parameter adjusting deviceOpen; If PV > POINT and PV < POINT+HYS environmental physical parameter adjusting device keep current state;
7) selected type of alarm is indicated value lower limit and warning direct action and while having standby, if PV < is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; PV > POINT+HYS, and show value and setting value friendshipAfter fork, environmental physical parameter adjusting device quits work; If PV > POINT and PV < POINT+HYS ringBorder physical parameter adjusting device keeps current state;
8) selected type of alarm is indicated value lower limit and warning negative actuation and while having standby, if PV < is POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is POINT-HYS, and show value and setting valueAfter intersection, environmental physical parameter adjusting device quits work; If PV > POINT and PV < POINT+HYSEnvironmental physical parameter adjusting device keeps current state;
9) selected type of alarm is the deviation upper limit and warning direct action and during without standby, if PV > is SP+POINT,Environmental physical parameter adjusting device is opened; If PV < is SP+POINT-HYS, environmental physical parameter adjusting deviceQuit work; If PV < SP+POINT and PV > SP+POINT-HYS environmental physical parameter adjusting device are protectedHold current state;
10) selected type of alarm is the deviation upper limit and warning negative actuation and during without standby, if PV > is SP+POINT,Environmental physical parameter adjusting device quits work; If PV < is SP+POINT-HYS, environmental physical parameter regulatesDevice is opened; If PV < SP+POINT and PV > SP+POINT-HYS environmental physical parameter adjusting device are protectedHold current state;
11) selected type of alarm is the deviation upper limit and warning direct action and while having standby, if PV > is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV < is SP+POINT-HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device quits work; If PV < SP+POINT and PV >SP+POINT-HYS environmental physical parameter adjusting device keeps current state;
12) selected type of alarm is the deviation upper limit and warning negative actuation and while having standby, if PV > is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV < is SP+POINT-HYS, and show valueAfter intersecting with setting value, environmental physical parameter adjusting device is opened; If PV < SP+POINT and PV >SP+POINT-HYS environmental physical parameter adjusting device keeps current state;
13) selected type of alarm is the lower limit of variation and warning direct action and during without standby, if PV < is SP+POINT,Environmental physical parameter adjusting device is opened; If PV > is SP+POINT+HYS, environmental physical parameter adjusting deviceQuit work; If PV > SP+POINT and PV < SP+POINT+HYS environmental physical parameter adjusting deviceKeep current state.
14) selected type of alarm is the lower limit of variation and warning negative actuation and during without standby, if PV < is SP+POINT,Environmental physical parameter adjusting device quits work; If PV > is SP+POINT+HYS, environmental physical parameter regulatesDevice is opened; If PV > SP+POINT and PV < SP+POINT+HYS environmental physical parameter adjusting deviceKeep current state.
15) selected type of alarm is the lower limit of variation and warning direct action and while having standby, if PV < is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device is opened; If PV > is SP+POINT+HYS, and show value and establishingAfter definite value is intersected, environmental physical parameter adjusting device quits work; If PV > SP+POINT and PV <SP+POINT+HYS environmental physical parameter adjusting device keeps current state;
16) selected type of alarm is the lower limit of variation and warning negative actuation and while having standby, if PV < is SP+POINT,And environmental physical parameter show value PV arrived after setting value SP, and show value and setting value have one at leastInferior intersection, environmental physical parameter adjusting device quits work; If PV > is SP+POINT+HYS, and show valueAfter intersecting with setting value, environmental physical parameter adjusting device is opened; If PV > SP+POINT and PV <SP+POINT+HYS environmental physical parameter adjusting device keeps current state;
17) selected type of alarm is the outer and warning direct action of bound deviation range and ， Ruo ∣ PV-SP during without standby∣ > POINT, environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣≤POINT-HYS, environment thingQuit work ， Ruo ∣ PV-SP ∣≤POINT Qie ∣ PV-SP ∣ > POINT-HYS ring of reason parameter adjustment controlBorder physical parameter adjusting device keeps current state;
18) selected type of alarm is the outer and warning direct action of bound deviation range and while having standby, if ∣ is PV-SP∣ > POINT, and environmental physical parameter show value PV arrived after setting value SP, show value with establishDefinite value has at least once intersects, and environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣≤POINT-HYS,And show value with setting value intersect after, environmental physical parameter adjusting device quit work ， Ruo ∣ PV-SP ∣≤POINT Qie ∣ PV-SP ∣ > POINT-HYS environmental physical parameter adjusting device keeps current state;
19) selected type of alarm is in bound deviation range and warning direct action and ， Ruo ∣ PV-SP during without standby∣≤POINT, environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣ >=POINT+HYS, environment thingThe reason parameter adjustment control ， Ruo ∣ PV-SP ∣ > POINT Qie ∣ PV-SP ∣≤POINT-HYS ring that quits workBorder physical parameter adjusting device keeps current state;
20) selected type of alarm is in bound deviation range and warning direct action and while having standby, if ∣ is PV-SP∣≤POINT, and environmental physical parameter show value PV arrived after setting value SP, show value with establishDefinite value has at least once intersects, and environmental physical parameter adjusting device is opened; Ruo ∣ PV-SP ∣ >=POINT+HYS, and show value with setting value intersect after, environmental physical parameter adjusting device quits work, if∣ PV-SP ∣ > POINT Qie ∣ PV-SP ∣≤POINT-HYS environmental physical parameter adjusting device keeps working asFront state;
Wherein, after " standby " expression PV arrives SP, environmental physical parameter adjusting device just had start stop operation," have standby " and represent to be subject to the constraint of " standby " this condition, " without standby " represent not to be subject to " standby " thisThe constraint of condition; Warning direct action represents that the parameter of physical parameter adjusting device execution expection regulates action, reports to the policeNegative actuation is the inverse operation of warning direct action.
2. environmental physical parameter control method according to claim 1, is characterized in that, described environmentPhysical parameter is temperature, humidity, intensity of illumination, UV intensity, the gas concentration lwevel, in current environmentCarbonoxide concentration, oxygen concentration, concentration of hydrogen sulfide, nitrogen gas concn, oxygen content or air pressure.
3. according to the environmental physical parameter control method described in claim 1-2 any one, it is characterized in that,Described environmental physical parameter adjusting device is cryogenic compressor, evaporimeter, condenser/evaporator, relay, contactSome or all of composition control before device, compressor, blower fan, expansion valve in magnetic valve or auxiliary cooling magnetic valveThe unit of system.
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