CN102305455B - Intelligent through-flow air-interchange ventilation control system and control device and method thereof - Google Patents
Intelligent through-flow air-interchange ventilation control system and control device and method thereof Download PDFInfo
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- CN102305455B CN102305455B CN2011103087287A CN201110308728A CN102305455B CN 102305455 B CN102305455 B CN 102305455B CN 2011103087287 A CN2011103087287 A CN 2011103087287A CN 201110308728 A CN201110308728 A CN 201110308728A CN 102305455 B CN102305455 B CN 102305455B
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Abstract
The invention relates to an intelligent through-flow air-interchange and ventilation control system controlled by a ventilation system suitable for use in large premises. The intelligent through-flow air-interchange and ventilation control system comprises a programmable automation controller (PAC) control unit, a external interface unit, a power-supply control unit and a through-flow air-interchange device power-supply unit, wherein the PAC control unit is bidirectionally connected with a wireless communication module, a building control center, a fire-fighting external control center and a fire-fighting control center by the external interface unit, and is connected with a plurality of through-flow air interchange devices arranged in distribution by the wireless communication module in a bidirectional network mode; the PAC controller uses computer programs to realize air-interchange ventilation system control; and in combination with the wireless communication module network control, flexible programming can be carried out according to the configuration of site equipment, so as to achieve communication and remote centralized control between ventilation control devices in different ventilation subareas; and pollutant concentration in the environment of large-space buildings and the operation condition of air-interchange devices can be monitored in real time; and thus under the condition of ensuring air quality in the environment, starting time of air delivery and ventilation devices are reduced, thereby achieving the effects of environment protection and energy conservation.
Description
Technical field
The present invention relates to a kind of ventilated control system and equipment that is applicable to air circulation in indoor or place, be particularly useful for the control of the through-flow ventilation ventilating system in large-scale place.
Background technology
At present, garage, factory, gymnasium, Sewage Plant etc. need in the volumed space building of force ventilation, especially in underground parking garage, often use through-flow air-changing device.Chinese invention patent " rotating and radio intelligent type through-flow air-changing device and air exchanging method thereof " (Chinese invention patent ZL200810036053 publication number CN101261028) discloses a kind of rotatable wireless intelligent through-flow ventilator and air exchanging method thereof, but comprises the cyclelog of radio intelligent type through-flow air-changing device positioning rotation device and radio intelligent type through-flow air-changing device.The through-flow air-changing device of this Chinese invention patent be take the ventilation subregion and is unit, and each subregion is provided with a Centralized Controller, utilizes through-flow air-changing device and blowing and discharging fan in the control strategy software control ventilation subregion of Centralized Controller to open.In existing ventilation ventilating system, air supplying and exhausting system and through-flow air-changing device be power respectively, the independent ventilation electrical equipment of controlling, same ventilation subregion, the multiple spot power supply, cause system cost to increase, the multiple spot power supply also can bring the system can not stable operation.Although existing supply and exhaust electrical system can be controlled with realizing building control and fire-fighting, and possess manual mode and automatic mode, but, after under automatic mode, introducing through-flow air-changing device, between Centralized Controller and independently building control originally, fire control system, and different ventilation subregions between, all there is no both-way communication mechanism, can not support mutually collaborative work.When fire occurring, Centralized Controller and building control, fire control system can produce control signal simultaneously, cause control hazard, can not control according to the through-flow air-changing device running status, have potential safety hazard.
Summary of the invention
The objective of the invention is to provide the intelligent through-flow ventilation ventilated control system of a kind of PAC of employing controller by through-flow air-changing device centralized Control and the fusion of the supply and exhaust electrical control degree of depth, solve through-flow ventilation and ventilating system centralized Control, Ventilation Control and building control and fire-fighting and control the technical problem linked.
The present invention solves the problems of the technologies described above the technical scheme adopted:
A kind of intelligent through-flow ventilation ventilated control system, comprise PAC control module, external interface unit, power control unit and through-flow air-changing device power supply unit, described PAC control module comprises human-machine interface module, data processing module, data/program storage block and the electric control module be connected on internal bus;
Described external interface unit comprises and wireless communication module, the Lou Kong center, the multichannel bidirectional interface circuit that the fire-fighting external control is connected with fire protection control center, described PAC control module by external interface unit respectively with wireless communication module, the Lou Kong center, the two-way connection of fire-fighting external control and fire protection control center, described Lou Kong center, fire protection control center or fire-fighting external control are sent to the PAC control module to the interlock control instruction by external interface unit, through electric control module, be sent to power control unit, and obtain by external interface unit the state of a control that the PAC control module feeds back,
External ac power source is connected to blowing and discharging fan by the primary circuit of described power control unit, and is connected to by the through-flow air-changing device power supply unit many through-flow air-changing devices that are distributed in the ventilation subregion; Described PAC control module is by the two-way secondary circuit that is connected to described power control unit of electric control module, and the PAC control module is sent to described secondary circuit by control signal, and from secondary circuit, obtains the state of a control of feedback;
Described PAC control module is connected with the two-way networking of many through-flow air-changing devices arranged that distributes by described wireless communication module, through-flow air-changing device is by ambient condition and the running state data thereof of its place ventilation subregion, by wireless communication module, send the PAC control module to, the PAC control module is sent to through-flow air-changing device by wireless communication module by control instruction.
A kind of preferably technical scheme of intelligent through-flow ventilation ventilated control system of the present invention is that described Man Machine Interface module comprises the input unit for input configuration parameter and control logic, described data/program storage block comprises for the data storage area of storage configuration parameter with for the program storage area of store control logic, described data processing module comprises the comparator for described ambient condition and running state data and described configuration parameter are compared, described electric control module generates described control signal according to output signal and the described control logic of described comparator.
A kind of better technical scheme of intelligent through-flow ventilation ventilated control system of the present invention is that described PAC control module is by wireless communication module Yu Loukong center, fire-fighting external control and the two-way connection of fire protection control center, Lou Kong center, fire protection control center or fire-fighting external control are sent to the PAC control module to the interlock control instruction by wireless communication module, through electric control module, be sent to power control unit, and by wireless communication module, obtain the state of a control of PAC control module feedback.
A kind of improved technical scheme of intelligent through-flow ventilation ventilated control system of the present invention is that the electric control module of described PAC control module arranges the power protection submodule, and the primary circuit of described power control unit is connected with voltage sensor element and current sensing; The output of described voltage sensor element and current sensing is connected to the PAC control module, the voltage and current signal of voltage sensor element and current sensing output, after by the data processing module of PAC control module, processing, be sent to human-machine interface unit and show in real time; Described power protection submodule in short circuit, open circuit, produce the error protection signal when decompression, overcurrent and overvoltage condition, by human-machine interface unit and external interface unit output alarm signal; The error protection signal is sent to power control unit through electric control module and carries out the power protection operation, automatically cuts off blowing and discharging fan or the through-flow air-changing device power supply of breaking down.
The further improved technical scheme of intelligent through-flow ventilation ventilated control system of the present invention is that the electric control module of described PAC control module arranges load control submodule, load is controlled submodule and is determined its bearing power according to the through-flow air-changing device quantity that operates in the ventilation subregion, and, by the through-flow air-changing device power supply unit, by its power-balance, distribute A, B, the C three-phase circuit that is connected to three-phase alternating-current supply.
Another object of the present invention is to provide a kind of control device for claim 1 intelligent through-flow ventilation ventilated control system, comprises PAC control module, external interface unit, and power control unit and through-flow air-changing device power supply unit is characterized in that:
Described control device adopts the expendable machine cabinet, and described PAC control module is inlaid in interior of equipment cabinet, and the human-machine interface module of PAC control module comprises touching display screen on the master control panel that is placed in rack;
Described external interface unit comprises the multichannel bidirectional interface circuit be connected with fire protection control center with wireless communication module ,Lou Kong center, fire-fighting external control, described external interface unit is the expanding element of open, the modularization framework of PAC control module, can be assembled in the rack of described control device according to on-the-spot installation requirements apolegamy;
The interior of equipment cabinet of described control device arranges modular power control module and through-flow air-changing device power supply unit, can be according to quantity and the power apolegamy assembling of on-the-spot exhaust blower and through-flow air-changing device;
Described PAC control module is connected with the two-way networking of many through-flow air-changing devices arranged that distributes by described wireless communication module, through-flow air-changing device is by ambient condition and the running state data thereof of its place ventilation subregion, by wireless communication module, send the PAC control module to, be presented in real time on the master control panel of rack; The PAC control module is sent to through-flow air-changing device by wireless communication module by control instruction.
Another object of the present invention is to provide a kind of use computer program for above-mentioned intelligent through-flow ventilation ventilated control system and realizes the method that the ventilation ventilating system is controlled, and it is characterized in that comprising following steps:
S100) read the step of configuration parameter, judgement operational mode;
S200) detect external interface unit, the step of the interlock control instruction of obtaining by external interface unit Cong Loukong center, fire protection control center and fire-fighting external control;
S300) step of fire-fighting priority treatment, comprise the interlock control instruction of sending according to fire protection control center or fire-fighting external control, opens or close fire resisting damper, switches to stand-by power supply, opens or stop blowing and discharging fan, or cut off the through-flow air-changing device power supply;
S400) if manual operation mode, the step of blowing and discharging fan or through-flow air-changing device is opened or stopped to the interlock control instruction of sending according to the Lou Kong center;
S500) if automatic operation mode detects external interface unit, by the wireless communication module poll, be distributed in many through-flow air-changing devices of ventilation subregion, obtain the step of the ambient condition of ventilation subregion;
S600) compare the ambient condition of configuration parameter and ventilation subregion, the judgement comparative result, according to the step of control logic generation through-flow air-changing device and blowing and discharging fan control signal;
S700) by electric control module and power control unit, control the step that blowing and discharging fan is opened or stopped;
S800) by wireless communication module, transmit order to each through-flow air-changing device that is distributed in the ventilation subregion, open or stop the step of through-flow air-changing device;
S900) judgement fire and malfunction, if fire or failure exception state occur, cut off the power supply of through-flow air-changing device and return to the step of alarm signal.
Use computer program of the present invention realizes that a kind of improved technical scheme of the method that the ventilation ventilating system is controlled is that described step S600 comprises following action:
S620) if in the period that the current time is the time opening time value to be set, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S630) adding up the subregion that respectively ventilates is to carry out the polluter dilution automatically to open the number of units of through-flow air-changing device, within the cumulative time of setting, if open the statistical value of number of units, surpass unlatching number of units preset value, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S640) if the sampling humidity value is greater than the humidity unlatching value of setting, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S650) if the polluter detectable concentration in plenum area surpasses concentration limit, and the through-flow air-changing device proportion that pollutant concentration detected and the transfinite ratio that transfinites, the interior through-flow air-changing device of ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S660) if indoor and outdoor pressure reduction surpasses the pressure reduction unlatching value of setting, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S670) if the time that the through-flow air-changing device in plenum area and blowing and discharging fan are opened surpasses scheduled delay, stop through-flow air-changing device and blowing and discharging fan.
Use computer program of the present invention realizes that a kind of further improved technical scheme of the method that the ventilation ventilating system is controlled is to comprise the following step that configuration parameter is set by Man Machine Interface:
S010) set the step that dynamic proportion dilutes the unlatching value, described dynamic proportion dilution unlatching value comprises the preset value of accumulated time and unlatching number of units, and described unlatching number of units is for carrying out the polluter dilution number of units of the through-flow air-changing device of unlatching automatically;
S012) set the step that the group opens concentration value, described group opens concentration value and comprises the pollutant concentration limit and transfinite ratio;
S014) set the step of time opening time and predetermined delay time;
S016) set the step of humidity unlatching value;
S018) set the step of pressure reduction unlatching value;
S020) step of operator scheme manually or automatically is set;
S040) step of ventilation valve, fire resisting damper control mode is set;
S050) access way of Lou Kong center, fire protection control center, fire-fighting external control and the step of control priority are set;
S060) step of the power of blowing and discharging fan and through-flow air-changing device is set;
S080) step of through-flow air-changing device distribution control mode is set.
The invention has the beneficial effects as follows:
Intelligent through-flow ventilation ventilated control system of the present invention, by adopting the PAC controller to substitute the Centralized Controller of each ventilation subregion, realize through-flow ventilation and ventilating system centralized Control, power supply respectively, the independent ventilation electrical equipment of controlling have been solved, cause system cost to increase, the multiple spot power supply also can bring the problem that system can not stable operation; Eliminated existing through-flow air-changing device Centralized Controller and building control, fire control system produces control signal simultaneously, causes the problem of control hazard, eliminated and had potential safety hazard.The PAC controller uses computer program to realize the control of ventilation ventilating system, the networking of combined with radio communication module is controlled, can be according to field device configurations situation flexible programming, make to realize communication and long-distance centralized control between the ventilation control device of different ventilation subregions, can monitor in real time volumed space building, especially pollutant concentration and the air interchanger running status in the environment such as underground parking garage, by data analysis, process, guarantee ambient air quality in advance under, shorten the opening time of sending ventilation equipment as far as possible, reach the effect of environmental protection and energy saving.
The accompanying drawing explanation
Fig. 1 is the electrical principle block diagram of intelligent through-flow ventilation ventilated control system of the present invention
Fig. 2 is the networking layout of intelligent through-flow ventilation ventilated control system of the present invention
Fig. 3 is the control program flow chart of intelligent through-flow ventilation ventilated control system of the present invention
The label of each parts in above figure: 1-through-flow air-changing device, 2-wireless communication module, 3-intelligent through-flow ventilation ventilated control system, the 4-pressure fan, 5-fire resisting damper, 6-exhaust blower, 7-external control center, 8-is with the supply and exhaust mouth of ventilation valve, and 9-is with the exhaust opening of ventilation valve, the 100-PAC control module, the 200-external interface unit, the 300-power control unit, 400-through-flow air-changing device power supply unit, 500-arrange the ventilation subregion of many through-flow air-changing devices.
The specific embodiment
In order to understand better technique scheme of the present invention, describe in detail further below in conjunction with drawings and Examples.
Fig. 1 is the electrical principle block diagram of an embodiment of intelligent through-flow ventilation ventilated control system of the present invention, and Fig. 2 is used intelligent through-flow ventilation ventilated control system to control the networking layout of ventilation system in garage.Below in conjunction with Fig. 1 and Fig. 2, technical scheme of the present invention is illustrated.Intelligent through-flow ventilation ventilated control system of the present invention comprises PAC control module 100, external interface unit 200, power control unit 300 and through-flow air-changing device power supply unit 400.PAC control module 100 is to take the automatic control system that automation controller able to programme (PAC) sets up as core, and PAC control module 100 comprises human-machine interface module, data processing module, data/program storage block and the electric control module be connected on internal bus.
In the embodiment shown in Figure 2, be provided with altogether 20 through-flow air-changing devices 1.PAC control module 100 is connected with the two-way networking of many through-flow air-changing devices 1 arranged that distributes by wireless communication module 2.Through-flow air-changing device 1, by ambient condition and the running state data thereof of its place ventilation subregion, sends PAC control module 100 to by wireless communication module, and PAC control module 100 is sent to through-flow air-changing device 1 by wireless communication module 2 by control instruction.The ambient condition data are sensing element Real-time Obtainings of establishing in the through-flow air-changing device 1 of ventilation subregion 500, comprise the interior pollutant concentration of ventilation subregion, humidity, temperature, blast etc.Running state data comprises starting state, fault detection status of through-flow air-changing device 1 etc.
In intelligent through-flow ventilation ventilated control system of the present invention, the Man Machine Interface module of PAC control module 100 comprises the input unit for input configuration parameter and control logic, described data/program storage block comprises for the data storage area of storage configuration parameter with for the program storage area of store control logic, described data processing module comprises the comparator for described ambient condition and running state data and described configuration parameter are compared, described electric control module generates described control signal according to output signal and the described control logic of described comparator.In an embodiment of intelligent through-flow ventilation ventilated control system of the present invention, the human-machine interface module of PAC control module 100 adopts 10.4 cun colored touching display screens, the running status of the ambient condition such as real display environment temperature, humidity, pollutant concentration and blowing and discharging fan and through-flow air-changing device in the time of accurately; In the present embodiment, external interface unit 200 is connected with human body detection sensor, the output signal of human body detection sensor is sent to PAC control module 100 by external interface unit 200, control demonstration and the screen protection state of described touching display screen: when there being the people to enter control room or close control device, touching display screen lights automatically, is convenient to the information of checking and operation control, after the people leaves, automatically enter the screen protection state in 30 seconds, thereby can extend its service life.
In the embodiment of intelligent through-flow ventilation ventilated control system of the present invention shown in Figure 2, the PAC control module 100 of intelligent through-flow ventilation ventilated control system 3 connects wireless communication module 2 by external interface unit 200, by wireless communication module 2, set up two-way the connection with external control center 7 again, the external control center can the Shi Loukong center, fire-fighting external control and fire protection control center or other control systems, can be also another ventilation of intelligent through-flow as sub-control center ventilated control system.Lou Kong center, fire protection control center or fire-fighting external control are sent to PAC control module 100 to the interlock control instruction by wireless communication module 2, through electric control module, be sent to power control unit 300, and by wireless communication module 2, obtain the state of a control of PAC control module 100 feedbacks.In the present embodiment, wireless communication module is that RS485 turns wireless module, and external interface unit 200 comprises RS485 interface or OPC interface, and RS485 turns RS485 interface or the OPC interface that wireless module is connected to external interface unit 200.RS485 turns wireless module can realize RS-485 signal double-direction radio transparent transmission effectively, can reliablely and stablely realize the communication between PAC control module 100 and Duo Tai through-flow air-changing device 1, realize point-to-point, point-to-multipoint, many point-to-point connections, can further build large system RS-485 and turn Wireless ventilating control network according to the characteristics of the large space buildings such as garage.
In the electric control module of the PAC control module 100 of intelligent through-flow ventilation ventilated control system as shown in Figure 1, also be provided with the power protection submodule, the primary circuit of power control unit 300 is connected with the voltage transformer summation current transformer as voltage sensor element and current sensing; The output of voltage transformer summation current transformer is connected to PAC control module 100, the voltage and current signal of voltage sensor element and current sensing output, after by the data processing module of PAC control module 100, processing, be sent to human-machine interface unit, in real time monitoring electrical control once, the state of secondary circuit, show primary circuit A, B, C three-phase voltage and electric current and linear quadratic control state.The power protection submodule in short circuit, open circuit, produce the error protection signal when decompression, overcurrent and overvoltage condition, by human-machine interface unit and external interface unit 200 output alarm signals; The error protection signal is sent to power control unit 300 through electric control module and carries out the power protection operation, automatically cuts off blowing and discharging fan or the through-flow air-changing device power supply of breaking down.
The further improved technical scheme of intelligent through-flow ventilation ventilated control system of the present invention is load to be set control submodule in the electric control module of PAC control module, load is controlled submodule and is determined its bearing power according to the quantity that operates in the through-flow air-changing device 1 of ventilation subregion 500, and, by through-flow air-changing device power supply unit 400, by its power-balance, distribute A, B, the C three-phase circuit that is connected to three-phase alternating-current supply.
The through-flow ventilation ventilation controller that an embodiment of intelligent through-flow ventilation ventilated control system of the present invention is a kind of expendable machine cabinet, comprise PAC control module 100, external interface unit 200, power control unit 300 and through-flow air-changing device power supply unit 400, described control device adopts the expendable machine cabinet, PAC control module 100 is inlaid in interior of equipment cabinet, and the human-machine interface module of PAC control module comprises touching display screen on the master control panel that is placed in rack; External interface unit 200 comprises the multichannel bidirectional interface circuit be connected with fire protection control center with wireless communication module ,Lou Kong center, fire-fighting external control, external interface unit 200 is designed to the expanding element of open, the modularization framework of PAC control module 100, can be assembled in the rack of described control device according to on-the-spot installation requirements apolegamy; The interior of equipment cabinet of described control device arranges modular power control module and through-flow air-changing device power supply unit, can be according to quantity and the power apolegamy assembling of on-the-spot exhaust blower and through-flow air-changing device; Described PAC control module is connected with the two-way networking of many through-flow air-changing devices arranged that distributes by described wireless communication module, through-flow air-changing device is by ambient condition and the running state data thereof of its place ventilation subregion, by wireless communication module, send the PAC control module to, be presented in real time on the master control panel of rack; The PAC control module is sent to through-flow air-changing device by wireless communication module by control instruction.
The control flow chart of an embodiment of the method that use computer program realization ventilation ventilating system of the present invention is controlled as shown in Figure 3, the software program of the method is stored in the data/program storage block of PAC control module 100, for the control procedure of intelligent through-flow ventilation ventilated control system of the present invention, the method includes the steps of:
S100) read the step of configuration parameter, judgement operational mode; This step reads default configuration parameter and operational mode from the data/program storage block of PAC control module 100.
S200) detect external interface unit 200, the step of the interlock control instruction of obtaining by external interface unit 200Cong Lou Kong center, fire protection control center and fire-fighting external control.
S300) step of fire-fighting priority treatment, comprise the interlock control instruction of sending according to fire protection control center or fire-fighting external control, open or close fire resisting damper 5, switch to stand-by power supply, unlatching or out-of-blast machine 4 and exhaust blower 6, or cut off the through-flow air-changing device power supply;
S400) if manual operation mode, the interlock control instruction of sending according to the Lou Kong center is opened or out-of-blast machine 4 and exhaust blower 6, or opens or stop through-flow air-changing device 1.
S500) if automatic operation mode, detect external interface unit 200, by wireless communication module 2 polls, be distributed in many through-flow air-changing devices 1 of ventilation subregion 500, obtain the ambient condition of ventilation subregion 500, described ambient condition comprises aerated area internal contamination material concentration, humidity, temperature, blast.
S600) compare the ambient condition of configuration parameter and ventilation subregion, the judgement comparative result, generate through-flow air-changing device 1, pressure fan 4 and exhaust blower 6 control signals according to control logic.
S700) by electric control module and power control unit 300, control the step that pressure fans 4 and exhaust blower 6 are opened or stopped.
S800) by wireless communication module 2, transmit order to each through-flow air-changing device 1 that is distributed in ventilation subregion 500, open or stop the step of through-flow air-changing device 1.
S900) judgement fire and malfunction, if the moment temperature rise surpasses default speed, be judged as alarm of fire; If the abnormalities such as fire, fault occur, cut off the power supply of through-flow air-changing device 1 and return to alarm signal.
In above-mentioned embodiment of the present invention, above-mentioned comparison, judgement comparative result also generate the step S600 of control signal according to control logic, comprise following action:
S620) if in the period that the current time is the time opening time value to be set, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S630) adding up the subregion that respectively ventilates is to carry out the polluter dilution automatically to open the number of units of through-flow air-changing device, within the cumulative time of setting, if open the statistical value of number of units, surpass described unlatching number of units preset value, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S640) if the sampling humidity value is greater than the humidity unlatching value of setting, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S650) if the polluter detectable concentration in plenum area surpasses concentration limit, and the through-flow air-changing device proportion that pollutant concentration detected and the transfinite ratio that transfinites, the interior through-flow air-changing device of ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S660) if indoor and outdoor pressure reduction surpasses the pressure reduction unlatching value of setting, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S670) if the time that the through-flow air-changing device in plenum area and blowing and discharging fan are opened surpasses scheduled delay, stop through-flow air-changing device and blowing and discharging fan.
At use computer program of the present invention, realize in the embodiment of the method that the ventilation ventilating system is controlled, also comprise by the step of Man Machine Interface setting or modification configuration parameter:
S010) set the step of dynamic proportion dilution unlatching value, described dynamic proportion dilution unlatching value comprises the preset value of accumulated time and unlatching number of units, and the default value of accumulated time is set to 30 minutes.Every through-flow air-changing device 1 all is furnished with the polluter detecting element, and when near the air pollutant through-flow air-changing device 1 surpassed pre-set limit, through-flow air-changing device 1 was opened automatically, and polluter is dispelled to dilution.Described unlatching number of units, be exactly in accumulated time, total for carrying out the polluter dilution number of units of the through-flow air-changing device 1 of unlatching automatically.
S012) set the step that the group opens concentration value, described group opens concentration value and comprises the pollutant concentration pre-set limit and transfinite ratio; Described pollutant concentration pre-set limit is to determine according to the requirement of building air quality environment, the described ratio default value that transfinites is 60%, that is to say, through-flow air-changing device 1 in ventilation subregion 500 scopes has more than 60% and pollutant concentration detected and surpass pre-set limit, just needs to start whole ventilation equipment (group opens).
S014) set the step of time opening time and predetermined delay time; Time opening is that for example, in rush hour on and off duty, the garage vehicles passing in and out is frequent in order to guarantee in scheduled time slot automatically to open whole ventilation equipment, and motor vehicle exhaust emission is concentrated, and just need to add forced ventilation, discharges in time air pollutant.Predetermined delay time opens the time of implementation of the operations such as dehumidifying for controlling time opening, group.
S016) set the step of humidity unlatching value; For being set, the humidity of opening the ventilation ventilating system in order to dehumidify controls predetermined value.
S018) set the step of pressure reduction unlatching value; For according to the indoor and outdoor draught head, controlling ventilation equipment, for example need to keep the ventilation ventilating system of the environment of negative pressure or malleation.
S020) step of operator scheme manually or automatically is set; Control the startup operational mode of ventilation ventilating system.
S040) step of ventilation valve, fire resisting damper control mode is set; According to the requirement configuration ventilation valve of ventilation ventilating system and fire-fighting system, the control strategy of fire resisting damper, such as the switch gearing of ventilation valve, fire resisting damper etc.
S050) access way of Lou Kong center, fire protection control center, fire-fighting external control and the step of control priority are set; Access way comprises by external interface unit 200 wired connections with by wireless communication module 2 wireless connections, and, by internet Long-distance Control (fire-fighting external control), by being set, control priority can realize the control priority management between different control systems.
S060) step of the power of blowing and discharging fan and through-flow air-changing device is set; The parameters of this step is controlled submodule for power protection submodule and the load of the electric control module of PAC control module 100.
S070) step of through-flow air-changing device distribution control mode is set, PAC control module 100, is realized the through-flow air-changing devices 1 in ventilation subregion 500 are carried out to distribution management by through-flow air-changing device power supply unit 400 control of loading according to the distribution control mode.
Those of ordinary skill in the art will be appreciated that; above embodiment illustrates technical scheme of the present invention; and not be used as limitation of the invention; any variation, modification of the above embodiment being done based on connotation of the present invention, all will drop in the protection domain of claim of the present invention.
Claims (10)
1. an intelligent through-flow ventilation ventilated control system, comprise PAC control module, external interface unit, and power control unit and through-flow air-changing device power supply unit is characterized in that:
Described PAC control module comprises human-machine interface module, data processing module, data/program storage block and the electric control module be connected on internal bus;
Described external interface unit comprises and wireless communication module, the Lou Kong center, the multichannel bidirectional interface circuit that the fire-fighting external control is connected with fire protection control center, described PAC control module by external interface unit respectively with wireless communication module, the Lou Kong center, the two-way connection of fire-fighting external control and fire protection control center, described Lou Kong center, fire protection control center or fire-fighting external control are sent to the PAC control module to the interlock control instruction by external interface unit, through electric control module, be sent to power control unit, and obtain by external interface unit the state of a control that the PAC control module feeds back,
External ac power source is connected to blowing and discharging fan by the primary circuit of described power control unit, and is connected to by the through-flow air-changing device power supply unit many through-flow air-changing devices that are distributed in the ventilation subregion; Described PAC control module is by the two-way secondary circuit that is connected to described power control unit of electric control module, and the PAC control module is sent to described secondary circuit by control signal, and from secondary circuit, obtains the state of a control of feedback;
Described PAC control module is connected with the two-way networking of many through-flow air-changing devices arranged that distributes by described wireless communication module, through-flow air-changing device is by ambient condition and the running state data thereof of its place ventilation subregion, by wireless communication module, send the PAC control module to, the PAC control module is sent to through-flow air-changing device by wireless communication module by control instruction.
2. intelligent through-flow according to claim 1 ventilation ventilated control system, it is characterized in that described Man Machine Interface module comprises the input unit for input configuration parameter and control logic, described data/program storage block comprises for the data storage area of storage configuration parameter with for the program storage area of store control logic, described data processing module comprises the comparator for described ambient condition and running state data and described configuration parameter are compared, described electric control module generates described control signal according to output signal and the described control logic of described comparator.
3. intelligent through-flow according to claim 1 ventilation ventilated control system, it is characterized in that described PAC control module is by wireless communication module Yu Loukong center, fire-fighting external control and the two-way connection of fire protection control center, Lou Kong center, fire protection control center or fire-fighting external control are sent to the PAC control module to the interlock control instruction by wireless communication module, through electric control module, be sent to power control unit, and by wireless communication module, obtain the state of a control of PAC control module feedback.
4. intelligent through-flow according to claim 1 ventilation ventilated control system, the electric control module that it is characterized in that described PAC control module arranges the power protection submodule, and the primary circuit of described power control unit is connected with voltage sensor element and current sensing; The output of described voltage sensor element and current sensing is connected to the PAC control module, the voltage and current signal of voltage sensor element and current sensing output, after by the data processing module of PAC control module, processing, be sent to human-machine interface unit and show in real time; Described power protection submodule in short circuit, open circuit, produce the error protection signal when decompression, overcurrent and overvoltage condition, by human-machine interface unit and external interface unit output alarm signal; The error protection signal is sent to power control unit through electric control module and carries out the power protection operation, automatically cuts off blowing and discharging fan or the through-flow air-changing device power supply of breaking down.
5. intelligent through-flow according to claim 1 ventilation ventilated control system, the electric control module that it is characterized in that described PAC control module arranges load control submodule, load is controlled submodule and is determined its bearing power according to the through-flow air-changing device quantity that operates in the ventilation subregion, and, by the through-flow air-changing device power supply unit, by its power-balance, distribute A, B, the C three-phase circuit that is connected to three-phase alternating-current supply.
6. according to the described intelligent through-flow ventilation of arbitrary claim in claim 1 to 4 ventilated control system, the human-machine interface module that it is characterized in that described PAC control module comprises touching display screen, described external interface unit is connected with human body detection sensor, the output signal of described human body detection sensor is sent to the PAC control module by external interface unit, controls demonstration and the screen protection state of described touching display screen.
7. the control device for claim 1 intelligent through-flow ventilation ventilated control system, comprise PAC control module, external interface unit, and power control unit and through-flow air-changing device power supply unit is characterized in that:
Described control device adopts the expendable machine cabinet, and described PAC control module is inlaid in interior of equipment cabinet, and the human-machine interface module of PAC control module comprises touching display screen on the master control panel that is placed in rack;
Described external interface unit comprises the multichannel bidirectional interface circuit be connected with fire protection control center with wireless communication module ,Lou Kong center, fire-fighting external control, described external interface unit is the expanding element of open, the modularization framework of PAC control module, can be assembled in the rack of described control device according to on-the-spot installation requirements apolegamy;
The interior of equipment cabinet of described control device arranges modular power control module and through-flow air-changing device power supply unit, can be according to quantity and the power apolegamy assembling of on-the-spot exhaust blower and through-flow air-changing device;
Described PAC control module is connected with the two-way networking of many through-flow air-changing devices arranged that distributes by described wireless communication module, through-flow air-changing device is by ambient condition and the running state data thereof of its place ventilation subregion, by wireless communication module, send the PAC control module to, be presented in real time on the master control panel of rack; The PAC control module is sent to through-flow air-changing device by wireless communication module by control instruction.
8. the use computer program for intelligent through-flow ventilation ventilated control system claimed in claim 1 is realized the method that the ventilation ventilating system is controlled, and it is characterized in that comprising following steps:
S100) read the step of configuration parameter, judgement operational mode;
S200) detect external interface unit, the step of the interlock control instruction of obtaining by external interface unit Cong Loukong center, fire protection control center and fire-fighting external control;
S300) step of fire-fighting priority treatment, comprise the interlock control instruction of sending according to fire protection control center or fire-fighting external control, opens or close fire resisting damper, switches to stand-by power supply, opens or stop blowing and discharging fan, or cut off the through-flow air-changing device power supply;
S400) if manual operation mode, the step of blowing and discharging fan or through-flow air-changing device is opened or stopped to the interlock control instruction of sending according to the Lou Kong center;
S500) if automatic operation mode detects external interface unit, by the wireless communication module poll, be distributed in many through-flow air-changing devices of ventilation subregion, obtain the step of the ambient condition of ventilation subregion;
S600) compare the ambient condition of configuration parameter and ventilation subregion, the judgement comparative result, according to the step of control logic generation control signal;
S700) by electric control module and power control unit, control the step that blowing and discharging fan is opened or stopped;
S800) by wireless communication module, transmit order to each through-flow air-changing device that is distributed in the ventilation subregion, open or stop the step of through-flow air-changing device;
S900) judgement fire and malfunction, if fire or failure exception state occur, cut off the power supply of through-flow air-changing device and return to the step of alarm signal.
9. use computer program according to claim 8 is realized the method that the ventilation ventilating system is controlled, and it is characterized in that described step S600 comprises following action:
S620) if in the period that the current time is the time opening time value to be set, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S630) adding up the subregion that respectively ventilates is to carry out the polluter dilution automatically to open the number of units of through-flow air-changing device, within the cumulative time of setting, if open the statistical value of number of units, surpass unlatching number of units preset value, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S640) if the sampling humidity value is greater than the humidity unlatching value of setting, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S650) if the polluter detectable concentration in plenum area surpasses concentration limit, and the through-flow air-changing device proportion that pollutant concentration detected and the transfinite ratio that transfinites, the interior through-flow air-changing device of ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S660) if indoor and outdoor pressure reduction surpasses the pressure reduction unlatching value of setting, the through-flow air-changing device in the ventilation subregion is all opened, and opens simultaneously blowing and discharging fan;
S670) if the time that the through-flow air-changing device in plenum area and blowing and discharging fan are opened surpasses scheduled delay, stop through-flow air-changing device and blowing and discharging fan.
According to Claim 8 or use computer program claimed in claim 9 realize the method that the ventilation ventilating system is controlled, it is characterized in that comprising the following step that configuration parameter is set by Man Machine Interface:
S010) set the step that dynamic proportion dilutes the unlatching value, described dynamic proportion dilution unlatching value comprises accumulated time and unlatching number of units preset value, and described unlatching number of units is for carrying out the polluter dilution number of units of the through-flow air-changing device of unlatching automatically;
S012) set the step that the group opens concentration value, described group opens concentration value and comprises concentration limit and transfinite ratio;
S014) set the step of time opening time and predetermined delay time;
S016) set the step of humidity unlatching value;
S018) set the step of pressure reduction unlatching value;
S020) step of operator scheme manually or automatically is set;
S040) step of ventilation valve, fire resisting damper control mode is set;
S050) access way of Lou Kong center, fire protection control center, fire-fighting external control and the step of control priority are set;
S060) step of the power of blowing and discharging fan and through-flow air-changing device is set;
S080) step of through-flow air-changing device distribution control mode is set.
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| CN102621960A (en) * | 2012-03-31 | 2012-08-01 | 李斌 | Advanced RISC machine-Linux (ARM-Linux)-based compiled programmable automation control (PAC) |
| CN102852841B (en) * | 2012-04-10 | 2015-01-07 | 南京保合太和电力科技有限公司 | Control system and method for axial flow fan |
| CN105258267A (en) * | 2015-10-27 | 2016-01-20 | 上海市政工程设计研究总院（集团）有限公司 | Mechanical ventilation device and method for underground stereo garage |
| CN106091258B (en) * | 2016-06-16 | 2019-11-15 | 绍兴上虞风翼通风设备有限公司 | Intelligent through-flow air exchanging method |
| CN107221990A (en) * | 2017-07-26 | 2017-09-29 | 四川赛科安全技术有限公司 | A kind of self-monitoring supply unit being mounted in fire-fighting bus |
| CN110925235A (en) * | 2019-12-13 | 2020-03-27 | 河南省中原智能电气科技有限公司 | Fire control fan case control module |
| CN111947248B (en) * | 2020-07-27 | 2021-12-10 | 珠海格力电器股份有限公司 | Sterilizer, method of controlling sterilizer, and storage medium |
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