CN205479601U - Building gas riser automatic cutout and blowdown system based on wireless transmission - Google Patents
Building gas riser automatic cutout and blowdown system based on wireless transmission Download PDFInfo
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- CN205479601U CN205479601U CN201620172884.3U CN201620172884U CN205479601U CN 205479601 U CN205479601 U CN 205479601U CN 201620172884 U CN201620172884 U CN 201620172884U CN 205479601 U CN205479601 U CN 205479601U
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Abstract
The utility model discloses a building gas riser automatic cutout and blowdown system based on wireless transmission, including have the function of receiving and sending messages and as a plurality of wireless gas sensor module of wireless communication network node, have the function of receiving and sending messages and as a plurality of wireless atmospheric valve door module of wireless communication network node, have the function of receiving and sending messages and as a plurality of wireless pipeline trip valve door module of wireless communication network node, have the function of receiving and sending messages and as a plurality of wireless switch modules, wireless router and the wireless building central controller of wireless communication network node, the utility model discloses can realize inspecing in real time gas concentration to under the calamity situation, the long -range rapid on -off control of gas valve switch avoids the calamity consequence to enlarge.
Description
Technical field
A kind of city based on wireless sensing building gas pipeline automatically cuts off and is vented control system, is best suited in the case of the disaster situation such as fire, earthquake and pipe leakage, building valve of gas pipeline quick control and pipeline emptying.
Background technology
Along with computer technology, controlling technology and the development of communication technology, building automatic industry obtains huge development in the past ten years, it then follows the building control product of these standardized communication protocols of BACnet, LonTalk and EIB occupies leading position in the industry.The communication transmission media (such as twisted-pair feeder, coaxial cable and optical cable) using the building automation network of these communication protocols to be used is generally all wired.Compare with the building control product of the communication technology using cable network, the wireless solution motility of attractive spot formula mounting arrangements, cheap mounting cost and mobility time building automation system is rearranged, development along with building automation and coutrol technology, communication and interoperability demand between control equipment increase day by day, and setting up open and unified bus standard has become the common aspiration of whole industry.The selection of bus standard not only determines the opening of system, communication efficiency, is also related to system configuration, the complexity of debugging and workload size simultaneously.
Along with the great achievement obtained in terms of microelectromechanical systems (MEMS), radio communication, digital and electronic in recent years so that development low cost, small size, low-power consumption, short communication distance are possibly realized.Traditional radio communication substantially has WIFI, bluetooth and infrared etc., ZigBee technology compared with them low cost, low in energy consumption, networking capability is outstanding, be widely believed that and at following several years automatic industrial will be produced great impact.
City gas pipeline is in the case of the disaster state such as earthquake, fire and pipe leakage, as do not cut off in time and be vented, closes far from the requirement reaching emergency management and rescue by traditional rescue personnel scene is manual, it will make disaster consequence expand.Wireless sensing control to have remotely control, rapidly, low-power consumption, the feature of low cost.Automatically cut off based on the building gas riser being wirelessly transferred and blowdown system can realize real-time inspection gas concentration, and under disaster situation, the on-off control the most rapidly of burnt gas valve switch, it is to avoid disaster consequence expands.
Summary of the invention
This utility model is for the deficiencies in the prior art, it is proposed that a kind of automatically cut off and blowdown system based on the building gas riser being wirelessly transferred.
A kind of the automatically cutting off and blowdown system based on the building gas riser being wirelessly transferred of this utility model offer, including: there are receive and send messages function and the multiple wireless gas sensor assemblies as wireless communication network node, at each indoor being separately mounted in building and pipeline, for detecting the combustion gas value of respective position, and alarm；There is receive and send messages function and the multiple wireless emptying valve module as wireless communication network node, be separately mounted to air vent and the vent of building, for discharging the combustion gas of leakage；There are receive and send messages function and the multiple wireless pipe cutting-off valve modules as wireless communication network node, be separately mounted at pipeline, cut off pipeline in time；There are receive and send messages function and the multiple wireless switch modules as wireless communication network node, be connected with air exhauster respectively, for controlling operation and the stopping of air exhauster；Wireless router, cordless communication network based on ZigBee wireless technology is constituted, for from the data of individual node and sending corresponding control instruction to each node to each node distribution address, acceptance with multiple wireless gas sensor assemblies, multiple wireless emptying valve module, multiple wireless pipe cutting-off valve module, multiple wireless switch modules；Wireless building central controller, with described wireless router wireless connections, for to the gas content at each room of wireless router and pipeline, process according to the concentration threshold of default gas content, multiple wireless emptying valve modules, multiple wireless pipe cutting-off valve module and the control instruction of wireless switch modules is controlled to obtain, and then by described wireless router, control instruction delivered to corresponding wireless module, in order to control switch and valve.
Described wireless gas sensor assembly includes having the first microprocessor of radio-frequency enabled, battery, the first transformation chip, the first LED light, the first buzzer, first antenna, the first liquid crystal display screen, the first temperature sensor and combustible gas gas sensor；
Described battery is powered to first microprocessor and combustible gas gas sensor by the first transformation chip；The signal output part of combustible gas gas sensor is connected with first microprocessor signal input part, the signal output port of the first temperature sensor is connected with the signal input part of first microprocessor, first LED light and the first buzzer signal input port connect the signal output part of first microprocessor, first antenna is connected with first microprocessor, and the signal input part of the first liquid crystal display screen is connected with the signal output part of first microprocessor liquid crystal display screen.
Described multiple wireless emptying valve module includes having radio-frequency enabled and the second microprocessor of analog-digital conversion function, the first servomotor, the first valve, position detection resistance, the first voltage stabilizing and filter circuit, the first optocoupler, the first controllable silicon, the second antenna, the first transformator, the second transformation chip, the second liquid crystal display screen, civil power, the second LED light, second buzzer of the first detection valve location.
Described 220V civil power powers to the first servomotor by the first transformator, first servomotor and the first valve connect, detect that resistance is co-axially mounted with the sensor gear of servomotor, the input of outfan and the first voltage stabilizing and the filter circuit of the first detection resistance is connected, the signal processing port connection of the first voltage stabilizing and the outfan of filter circuit and the second microprocessor for detecting the position first of valve location；The first described transformator and the second transformation chip connect, and 220V civil power gives the second microprocessor power supply by the first transformator and the second transformation chip；The input controlling end and the first optocoupler of the second microprocessor connects, and the outfan of the first optocoupler and the first controllable silicon connect, and the first silicon controlled outfan and the first servomotor connect, SCR control servomotor rotating；The signal input part of the second liquid crystal display screen and the signal output part of the second microprocessor liquid crystal display screen connect；Second LED light and the second buzzer signal input port connect the signal output part of first microprocessor, and the second antenna and the second microprocessor are connected.
Described wireless pipe cutting-off valve module includes having the 3rd microprocessor of radio-frequency enabled, the second optocoupler, the second transformator, the 3rd transformation chip, the first electromagnetic valve, first manual valve, civil power, the 3rd LED light, the 3rd buzzer, third antenna, the second detection resistance, the second voltage stabilizing and filter circuit.
Described 220V civil power powers to the first electromagnetic valve by the second transformator, second detection resistance and the first electromagnetic valve connect, the outfan of the second detection resistance and the input of the second voltage stabilizing and filter circuit connect, and the signal processing port of the second voltage stabilizing and the outfan of filter circuit and the 3rd microprocessor connects；The second described transformator and the 3rd transformation chip connect, and 220V civil power gives the 3rd microprocessor power supply by the second transformator and the 3rd transformation chip；The input controlling end and the second optocoupler of the 3rd microprocessor connects, and the outfan of the second optocoupler and the first electromagnetic valve connect；3rd LED light and the 3rd buzzer signal input port connect the signal output part of the 3rd microprocessor, third antenna and the 3rd microprocessor and are connected；First manual valve is connected at pipeline.
Described wireless switch modules includes the 4th microprocessor, civil power, the 3rd transformator, the 4th transformation chip, the 4th LED light, the 4th antenna, the 3rd optocoupler, the first switch, the first air exhauster.
Described 220V civil power powers to the first air exhauster by the 3rd transformator, and the 3rd transformator and the 4th transformation chip connect, and 220V civil power gives the 4th microprocessor power supply by the 3rd transformator and the 4th transformation chip；The input controlling end and the 3rd optocoupler of the 4th microprocessor connects, and the outfan of the 3rd optocoupler and the first switch connect, and switch is connected with the first air exhauster, controls the opening and closing of air exhauster；The input port of the 4th LED light connects the signal output part of the 4th microprocessor, and the 4th antenna and the 4th microprocessor are connected.
Described wireless routing module includes the 5th microprocessor, 220V civil power, the 4th transformator, the 5th transformation chip, the 5th LED light, the 5th antenna.
The 4th described transformator and the 5th transformation chip connect, and 220V civil power gives the 5th microprocessor power supply by the 4th transformator and the 5th transformation chip；5th LED light connects the 5th microprocessor.5th antenna and the 5th microprocessor are connected.
Described wireless building central controller includes the 6th microprocessor, first serial circuit, the first host computer, civil power, the 6th transformation chip, the 6th LED light, the 6th antenna.
Described 220V city supplies electricity to the first host computer and powers, and the 5th transformator and the 6th transformation chip connect, and 220V civil power gives the 6th microprocessor power supply by the 5th transformator and the 6th transformation chip；First serial circuit signal input and the 6th microprocessor signals outfan connect, and first serial circuit and the first host computer connect, and the 6th LED light signal input port connects the 6th microprocessor, and the 6th antenna and the 6th microprocessor are connected.
Technique effect: the purpose of this utility model provide long-range control, rapidly, the building gas riser being wirelessly transferred of low-power consumption automatically cuts off and emptying device.Gas concentration value in first passing through sensing chamber and at pipeline, if the concentration value detected exceedes the threshold of setting, sends alarm, in time by transmission of wireless signals to host computer, PC control one tunnel, the multichannel even closedown of system wise pipe and the unlatching of valve.Real-time inspection gas concentration can be realized, and under disaster situation, the on-off control the most rapidly of burnt gas valve switch, it is to avoid disaster consequence expands.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system；
Fig. 2 is the structural representation that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless gas sensor assembly；
Fig. 3 is the schematic flow sheet that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless gas sensor assembly；
Fig. 4 is the structural representation that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless emptying valve；
Fig. 5 is the schematic flow sheet that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless emptying valve；
Fig. 6 is the structural representation that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless pipe cutting-off valve；
Fig. 7 is the schematic flow sheet that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless pipe cutting-off valve；
Fig. 8 is the structural representation that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless switching；
Fig. 9 is the schematic flow sheet that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless switching；
Figure 10 is the structural representation that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless router；
Figure 11 is the schematic flow sheet that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless router；
Figure 12 is the structural representation that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless building central controller；
Figure 13 is the schematic flow sheet that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system wireless building central controller；
Figure 14 is the overall flow schematic diagram that the city building gas pipeline of wireless sensing of the present utility model automatically cut off and be vented control system and method.
Detailed description of the invention
Below in conjunction with the accompanying drawings an embodiment of the present utility model is described further:
Refer to Fig. 1, of the present utility model automatically cut off based on the building gas riser being wirelessly transferred and blowdown system at least includes: multiple wireless gas sensor assemblies, multiple wireless emptying valve module, multiple wireless pipe cutting-off valve module, multiple wireless switch modules, multiple wireless router and wireless building central controller.
Described wireless gas sensor, as wireless communication network node, has function of receiving and sending messages, and in being arranged on room and Near Pipelines, for detecting the concentration of imflammable gas, has timely warning function.Refer to Fig. 2, it is the structural representation of wireless gas sensor, comprising: have the microprocessor (i.e. microprocessor and wireless module) of radio-frequency enabled, the gas concentration sensor being connected with microprocessor, the display screen being connected with microprocessor by I2C interface, two LED lights being connected with microprocessor, it is connected with microprocessor, the switch being connected with microprocessor, the temperature sensor being connected with microprocessor, the antenna being connected with microprocessor, battery and being connected with battery and for the transformation chip etc. of microprocessor and gas concentration sensor power.In the implementation case, microprocessor uses the microprocessor with radio-frequency enabled, the preferable Smoke Sensor of susceptiveness selected by gas concentration sensor, sensor is connected by corresponding sampling hold circuit and amplifying circuit with microprocessor, temperature sensor is selected can direct reading word temperature sensor, it is joined directly together with microprocessor, real time temperature and detectable concentration is shown by display screen, if the gas concentration detected exceedes the concentration of restriction, buzzer sends alarm, and red LED lamp sends flicker HONGGUANG.After receiving wireless signal addition ZigBee wireless network, the green LED lamp being connected with microprocessor is luminous, and the voltage of 5V is converted to the voltage of 3.3V by transformation chip, it is desirable to transformation chip has the characteristic of electrical explosion proof.
As it is shown on figure 3, it is wireless gas working sensor flow process.After energising, application adds network (i.e. finding PAN network), detects whether that wireless router is sent to the wireless signal of oneself after agreeing to network；Application is not succeeded, and returns continuation application.When after the wireless signal receiving wireless router, the each building block of wireless gas sensor carries out asking inspection, and result is shown on liquid crystal display screen, simultaneously drive green LEDs, then microcomputer reads gas concentration sensor and the gas concentration value detected by temperature sensor and temperature, and the result of detection is sent to wireless router, and show on liquid crystal display screen, by compared with the threshold value that central controller is arranged, if detecting, concentration value exceedes threshold value, buzzer sends alarm, red LED lamp sends flicker HONGGUANG, central controller is according to received signal simultaneously, judge to open a road, the emptying valve of multichannel or system-wide and closedown one tunnel, the pipe cutting valve of multichannel or system-wide.
Described wireless emptying valve, as wireless communication network node, has transmission-receiving function, is arranged in vent, the combustion gas leaked out for emptying.nullRefer to Fig. 4，It is structural representation that it is wireless emptying valve，Comprising: have the microprocessor (i.e. microprocessor and wireless module) of radio-frequency enabled、Servomotor、The valve being connected with servomotor、It is co-axially mounted with the sensor gear of servomotor and detects resistance for detecting the position of valve location、It is connected with position detection resistance and detected valve location data are sent into microprocessor and carry out voltage stabilizing and the filter circuit of digital-to-analogue conversion、It is connected to the optocoupler of the outfan of microprocessor、The controllable silicon cut for controlling servomotor rotating it is connected with optocoupler、The display screen being connected with microprocessor by I2C interface、Two LED lights being connected with microprocessor、The antenna being connected with microprocessor、The transformator being electrically connected with city and power to servomotor、It is connected with transformator outfan and for the transformation chip of microprocessor power supply.In the implementation case, microprocessor uses the microprocessor with radio-frequency enabled, uses two panels power electronic devices bidirectional triode thyristor to control the operation of servomotor, and silicon controlled drives and uses thyrister form optocoupler, not only isolation microprocessor and Serve Motor Control loop, also drive function.Between optocoupler and microprocessor, add NAND gate circuit, prevent the situation when positive reinfusion I/O port simultaneously turns on for two bidirectional triode thyristors that high level is appearance control servomotor rotating simultaneously.When rotating forward, opening emptying valve, red LED lamp is luminous simultaneously；During reversion, closing emptying valve, green LED lamp is luminous simultaneously.Whether position detection resistance detection valve completely closes or opens.
As it is shown in figure 5, it is wireless emptying valve module workflow.After energising, detection network condition also adds, to wireless router application, the cordless communication network (i.e. finding PAN network) that wireless router is set up, and after wireless router is agreed to network, detects whether that wireless router is sent to the wireless signal of oneself；Application is not succeeded, and returns continuation application.After receiving the wireless signal that wireless router sends, judge the type of wireless signal, if valve position control signal, compared with the valve current location detected value that microprocessor just goes out control signal and position detection resistance detection, judge that valve location is the most suitable, if it is improper, the positive rotaring signal of microprocessor output motor leaves big valve or motor reversal closes minor valve, simultaneously drive corresponding LED luminous, and after valve location is suitable, position is detected the valve location that resistance detection goes out and is sent.
Described wireless pipe cutting-off valve, as wireless communication network node, has transmission-receiving function, can manual-lock, be arranged in pipeline, for cutting off pipeline in time.Refer to Fig. 6, it is the structural representation that it is wireless pipe cutting-off valve, comprising: have the microprocessor of radio-frequency enabled, the optocoupler of connection output end of microprocessor, the switch being connected with optocoupler and the electromagnetic valve, the antenna being connected with microprocessor, the switch being connected with microprocessor, the LED being connected with microprocessor, the transformator being electrically connected with city that are connected with switch, be connected with transformator outfan and for the transformation chip of microprocessor power supply.In the implementation case, microprocessor uses the microprocessor with radio-frequency enabled, gas emergency cut-off magnetic valve selected by electromagnetic valve, when electric current is cut off in the pulse that usual this kind of electromagnetic valve receives DC9V, valve opening locking device automatic unlocking also discharges spring force, make valve rapid-closing and be kept closed, this kind of valve is that one is not required to power supply at ordinary times, when receiving the semi-automatic explosion-proof type fast shut-off valve closed when external pulse cuts off electric current, when the valve is closed, microprocessor driven red LED.Wireless pipe cutting-off valve only has on an off two states, can be by outside manual handles, hand off pipeline.Having red closedown and the green corresponding identification opened on manual handles, manual handles is connected with microprocessor, and microprocessor senses corresponding switch state.
As it is shown in fig. 7, it is wireless pipe cutting-off valve module workflow.After after energising, application adds network energising, detection network condition also adds, to wireless router application, the cordless communication network (i.e. finding PAN network) that wireless router is set up, after wireless router is agreed to network, detect whether that wireless router is sent to the wireless signal of oneself；Application is not succeeded, and returns continuation application.After receiving the wireless signal that wireless router sends, whether first detection valve is manually turned off, if the non-manual-lock of valve, the then signal sent according to wireless router, closes valve.
Having receive and send messages function and the multiple wireless switch modules as wireless communication network node, be connected with multiple air exhausters, for controlling operation and the stopping of air exhauster, air exhauster is arranged on the exhaust ports of every unit building.Refer to Fig. 8, comprising: there is the microprocessor of radio-frequency enabled, the optocoupler of connection microprocessor output, the switch, the antenna being connected with microprocessor, the LED being connected with microprocessor, the transformator being electrically connected with city that are connected with optocoupler, be connected with transformator outfan and for the transformation chip of microprocessor power supply.In the implementation case, microprocessor uses the microprocessor with radio-frequency enabled, and an I/O port of microprocessor connects optocoupler, optocoupler connecting valve.
As shown in Figure 9, it is the workflow diagram of wireless switch modules.After energising, application adds network, detects whether to be sent to from wireless router the wireless signal of oneself, network unsuccessful, return continuation application after networking successfully.After detecting that wireless router sends wireless signal extremely, judge the type of wireless signal, if switch controlling signal, switch or release I/O port closing switch is opened by dragging down I/O port, again I/O port state is sent, if wireless signal type is training in rotation signal, then microprocessor detection I/O port state, and sent.
Described wireless router constitutes cordless communication network based on ZigBee wireless technology with described wireless gas sensor assembly, multiple wireless emptying valve module, multiple wireless pipe cutting-off valve module, multiple wireless switch modules, for from the data of individual node and sending corresponding control instruction to each node to each node distribution address, acceptance；As shown in Figure 10, there is the microprocessor of radio-frequency enabled, the transformator electrically connected with city, be connected with transformator outfan and for the LED light being connected with microprocessor to the transformation chip of microprocessor power supply and antenna.In the present embodiment, microprocessor uses the microprocessor with radio-frequency enabled, and a LED, transformator device is connected on 220VAC voltage, it is provided that 5V voltage, and Transformer Selection has electrical explosion proof function.Using I/0 mouth to drive LED, wireless router can set up cordless communication network, distributes ID to each node in cordless communication network, and network is up to 255 nodes and constitutes.Working as network failure, radio network gateway can rebuild network.Work as radio network gateway
It is wireless router node workflow as shown in figure 11.Wireless router detection network after energising, can the optional conflict of 16 channels in 2.4GHz 2.483GHz frequency minimum as intra network communication.Just light LED when router is successfully established network microprocessor, judge wireless signal simultaneously, it may be judged whether be the wireless signal of new radio node addition network, in this way, then add nodal information, if not, then extracted valid data from wireless signal, and start system and sent.Wireless signal is point-to-point, and the node that the most only in wireless signal, address is identical in oneself address just can receive data.When wireless router node receives wireless signal, if new node networks, just store new node facility information, then send and allow networking signal；If the collection information of data acquisition node, wireless router just therefrom extracts data transmission to wireless building central controller.
Described wireless building central controller and described wireless router wireless connections, be connected by serial ports with host computer, for receiving and process data, receiving from the data of individual node and send corresponding control instruction to each node；As shown in figure 12, have radio-frequency enabled and serial port function microprocessor, with the transformator of city's electrical connection, be connected with transformator outfan and for the LED light being connected with microprocessor to the transformation chip of microprocessor power supply and antenna.In the present embodiment, microprocessor uses to be had radio-frequency enabled and is integrated with the microprocessor of serial ports transmission-receiving function, and microprocessor is connected with serial ports by electrical level transferring chip, can complete the transmitting-receiving of data.One LED, when system is opened, LED is luminous, and transformator device is connected on 220VAC voltage, it is provided that 3.3V voltage, uses I/O mouth to drive LED, I2C mouth to connect serial ports.
It is the workflow of wireless building central controller as shown in figure 13.Wireless building central controller detection network after energising.When controller is successfully connected router, microprocessor just lights LED, simultaneously training in rotation serial ports and wireless signal.Signal type is judged after wireless building central controller receives signal, if rs 232 serial interface signal, just according to signal type, data are packed, and the data after packing are sent to router, if wireless signal then extracted valid data from wireless signal, and start system and sent.
City building gas pipeline for wireless sensing automatically cuts off and is vented the overall workflow of control system and method as shown in figure 14.Including step: 1) wireless router energising after, inquiry current network conditions, and set up new cordless communication network based on ZigBee wireless technology in the frequency range that conflict is minimum, simultaneously to the wireless communication network node distribution address having been started up in cordless communication network, in order to each internodal communication is carried out in the frequency range of newly-built cordless communication network；2) wireless communication network node not yet networked sends, to described wireless router, the request of networking, after wireless router is agreed to, it is thus achieved that the address of self；3) each wireless gas sensor assembly is in wireless router dispatcher's office and the gas concentration value of pipeline；4) data from individual wireless gas sensor assembly received are sent into building central controller by wireless router；5) building central controller calculates the opening and closing amount of each wireless emptying valve module according to the data that the concentration value preset and wireless router are sent into, the open and-shut mode amount of the switch of wireless pipe cutting-off valve module open and-shut mode amount and wireless switch modules, and the opening and closing amount of wireless emptying valve module that will be calculated, the open and-shut mode amount of the switch of wireless pipe cutting-off valve module open and-shut mode amount and wireless switch modules sends to corresponding wireless emptying valve module, wireless pipe cutting-off valve module and wireless switch modules via wireless router；6) wireless emptying valve module, wireless pipe cutting-off valve module and wireless switch modules are according to the opening and closing amount of the wireless emptying valve module received, and the open and-shut mode amount of the switch of wireless pipe cutting-off valve module open and-shut mode amount and wireless switch modules controls to be vented valve, pipe cutting valve and the opening and closing of switch accordingly；7) the gas concentration value that building central controller sends according to each wireless senser received, determines to start a corresponding road, multichannel or system-wide.
Above-mentioned automatically cut off based on the building gas riser being wirelessly transferred and the job step of blowdown system is as follows:
1) after wireless router energising, inquiry current network conditions, and set up new cordless communication network based on ZigBee wireless technology in the frequency range that conflict is minimum, simultaneously to the wireless communication network node distribution address having been started up in cordless communication network, in order to each internodal communication is carried out in the frequency range of newly-built cordless communication network；
2) wireless router detection network after energising, can the optional conflict of 16 channels in 2.4GHz 2.483GHz frequency minimum as intra network communication.Just light LED when router is successfully established network microprocessor, judge wireless signal simultaneously, it may be judged whether be the wireless signal of new radio node addition network, in this way, then add nodal information, if not, then extracted valid data from wireless signal, and start system and sent.Wireless signal is point-to-point, and the node that the most only in wireless signal, address is identical in oneself address just can receive data.When wireless router node receives wireless signal, if new node networks, just store new node facility information, then send and allow networking signal；If the collection information of data acquisition node, wireless router just therefrom extracts data transmission to wireless building central controller.
3) after the energising of wireless gas sensor assembly, application adds network (i.e. finding PAN network), detects whether that wireless router is sent to the wireless signal of oneself after agreeing to network；Application is not succeeded, and returns continuation application.When after the wireless signal receiving wireless router, the each building block of wireless gas sensor carries out asking inspection, and result is shown on liquid crystal display screen, simultaneously drive green LEDs, then microcomputer reads gas concentration sensor and the gas concentration value detected by temperature sensor and temperature, and the result of detection is sent to wireless router, and show on liquid crystal display screen, by compared with the threshold value that central controller is arranged, if detecting, concentration value exceedes threshold value, buzzer sends alarm, and red LED lamp sends flicker HONGGUANG；
4) data from individual wireless gas sensor assembly received are sent into building central controller by wireless router；
5) building central controller calculates the opening and closing amount of each wireless emptying valve module according to the data that the concentration value preset and wireless router are sent into, the open and-shut mode amount of the switch of wireless pipe cutting-off valve module open and-shut mode amount and wireless switch modules, and the opening and closing amount of wireless emptying valve module that will be calculated, the open and-shut mode amount of the switch of wireless pipe cutting-off valve module open and-shut mode amount and wireless switch modules sends to corresponding wireless emptying valve module, wireless pipe cutting-off valve module and wireless switch modules via wireless router；
6) wireless emptying valve module, wireless pipe cutting-off valve module and wireless switch modules are according to the opening and closing amount of the wireless emptying valve module received, and the open and-shut mode amount of the switch of wireless pipe cutting-off valve module open and-shut mode amount and wireless switch modules controls to be vented valve, pipe cutting valve and the opening and closing of switch accordingly；Wherein, the workflow of wireless emptying valve module is: after energising, detection network condition also adds, to wireless router application, the cordless communication network (i.e. finding PAN network) that wireless router is set up, after wireless router is agreed to network, detect whether that wireless router is sent to the wireless signal of oneself；Application is not succeeded, and returns continuation application.After receiving the wireless signal that wireless router sends, judge the type of wireless signal, if valve position control signal, compared with the valve current location detected value that microprocessor just goes out control signal and position detection resistance detection, judge that valve location is the most suitable, if it is improper, the positive rotaring signal of microprocessor output motor leaves big valve or motor reversal closes minor valve, simultaneously drive corresponding LED luminous, and after valve location is suitable, position is detected the valve location that resistance detection goes out and is sent.Wherein, wireless pipe cutting-off valve module workflow is: after after energising, application adds network energising, detection network condition also adds, to wireless router application, the cordless communication network (i.e. finding PAN network) that wireless router is set up, after wireless router is agreed to network, detect whether that wireless router is sent to the wireless signal of oneself；Application is not succeeded, and returns continuation application.After receiving the wireless signal that wireless router sends, whether first detection valve is manually turned off, if the non-manual-lock of valve, the then signal sent according to wireless router, closes valve；Wherein, the workflow of wireless switch modules is: after energising, application adds network, detects whether to be sent to from wireless router the wireless signal of oneself, network unsuccessful, return continuation application after networking successfully.After detecting that wireless router sends wireless signal extremely, judge the type of wireless signal, if switch controlling signal, switch or release I/O port closing switch is opened by dragging down I/O port, again I/O port state is sent, if wireless signal type is training in rotation signal, then microprocessor detection I/O port state, and sent.
7) the gas concentration value that building central controller sends according to each wireless senser received, determines to start a corresponding road, multichannel or system-wide.
In sum, of the present utility model automatically cut off based on the building gas riser being wirelessly transferred and blowdown system is by the cordless communication network of the built-in ZigBee wireless technology that is based on of building, thus can realize the Effective Regulation to pipeline and valve, and then realize detecting gas leakage in time, empty combustion gas in time, cut off pipeline in time.Relative to the advantage of prior art it is: a large amount of wirings of existing building 1, can be reduced；2, using wireless communication technology due to each node, its actual installation site is less by environmental constraints；3, automatically cut off and blowdown system relative to existing building gas riser, add detection node and control node；4, owing to adding detection node and controlling node, control to lay the foundation with energy-conservation for system optimization；5, the interface provided supports the agreement that current control field is commonly used, supports extension.
Claims (1)
1. automatically cut off and blowdown system based on the building gas riser being wirelessly transferred, including: there is transmitting-receiving
Informational function and as wireless communication network node multiple wireless gas sensor assemblies, have transmitting-receiving letter
Breath function and as wireless communication network node multiple wireless emptying valve module, there is merit of receiving and sending messages
Can and as wireless communication network node multiple wireless pipe cutting-off valve modules, there is merit of receiving and sending messages
Can and as in multiple wireless switch modules, wireless router and the wireless building of wireless communication network node
Centre controller；
It is characterized in that: described wireless gas sensor assembly includes having first micro-process of radio-frequency enabled
Device, battery, the first transformation chip, the first LED light, the first buzzer, first antenna, first
Liquid crystal display screen, the first temperature sensor and combustible gas gas sensor；
Described battery is supplied to first microprocessor and combustible gas gas sensor by the first transformation chip
Electricity；The signal output part of combustible gas gas sensor is connected with first microprocessor signal input part, and first
The signal output port of temperature sensor is connected with the signal input part of first microprocessor, and a LED refers to
Show that lamp and the first buzzer signal input port connect the signal output part of first microprocessor, first antenna with
First microprocessor is connected, the signal input part of the first liquid crystal display screen and the letter of first microprocessor liquid crystal display screen
Number outfan connects；
Described multiple wireless emptying valve module includes having the second of radio-frequency enabled and analog-digital conversion function
Microprocessor, the first servomotor, the first valve, first detection valve location position detection resistance,
First voltage stabilizing and filter circuit, the first optocoupler, the first controllable silicon, the second antenna, the first transformator,
Two transformation chips, the second liquid crystal display screen, civil power, the second LED light, the second buzzer；
Described 220V civil power by the first transformator give the first servomotor power, the first servomotor with
First valve connects, and detects the sensing tooth of resistance and servomotor for detecting the position first of valve location
Wheel is co-axially mounted, the input of the first outfan and the first voltage stabilizing and filter circuit detecting resistance connects,
The signal processing port of the first voltage stabilizing and the outfan of filter circuit and the second microprocessor connects；Described
First transformator and the second transformation chip connect, and 220V civil power passes through the first transformator and the second transformation chip
To the second microprocessor power supply；The input controlling end and the first optocoupler of the second microprocessor connects, the
The outfan of one optocoupler and the first controllable silicon connect, and the first silicon controlled outfan and the first servomotor are even
Connect, SCR control servomotor rotating；The signal input part of the second liquid crystal display screen and the second microprocessor
The signal output part of liquid crystal display screen connects；Second LED light and the second buzzer signal input port connect
The signal output part of one microprocessor, the second antenna and the second microprocessor are connected；
Described wireless pipe cutting-off valve module include having the 3rd microprocessor of radio-frequency enabled, second
Optocoupler, the second transformator, the 3rd transformation chip, the first electromagnetic valve, first manual valve, civil power,
3rd LED light, the 3rd buzzer, third antenna, the second detection resistance, the second voltage stabilizing and filtering
Circuit；
Described 220V civil power by the second transformator give the first electromagnetic valve power, second detection resistance with
First electromagnetic valve connects, the outfan of the second detection resistance and the second voltage stabilizing and the input of filter circuit
Connecting, the signal processing port of the second voltage stabilizing and the outfan of filter circuit and the 3rd microprocessor connects；
The second described transformator and the 3rd transformation chip connect, and 220V civil power is become by the second transformator and the 3rd
Pressure chip gives the 3rd microprocessor power supply；The input controlling end and the second optocoupler of the 3rd microprocessor is even
Connecing, the outfan of the second optocoupler and the first electromagnetic valve connect；3rd LED light and the 3rd buzzer
Signal input port connects the signal output part of the 3rd microprocessor, third antenna and the 3rd microprocessor and is connected
Connect；First manual valve is connected at pipeline；
Described wireless switch modules includes the 4th microprocessor, civil power, the 3rd transformator, the 4th transformation core
Sheet, the 4th LED light, the 4th antenna, the 3rd optocoupler, the first switch, the first air exhauster；
Described 220V civil power powers to the first air exhauster by the 3rd transformator, the 3rd transformator and the 4th
Transformation chip connects, and 220V civil power supplies to the 4th microprocessor by the 3rd transformator and the 4th transformation chip
Electricity；The input controlling end and the 3rd optocoupler of the 4th microprocessor connects, the outfan of the 3rd optocoupler and
First switch connects, and switch is connected with the first air exhauster, controls the opening and closing of air exhauster；4th LED instruction
The input port of lamp connects the signal output part of the 4th microprocessor, the 4th antenna and the 4th microprocessor and is connected
Connect；
Described wireless routing module include the 5th microprocessor, 220V civil power, the 4th transformator, the 5th
Transformation chip, the 5th LED light, the 5th antenna；
The 4th described transformator and the 5th transformation chip connect, and 220V civil power is by the 4th transformator and the
Five transformation chips give the 5th microprocessor power supply；5th LED light connects the 5th microprocessor；5th day
Line and the 5th microprocessor are connected；
Described wireless building central controller include the 6th microprocessor, first serial circuit, on first
Position machine, civil power, the 6th transformation chip, the 6th LED light, the 6th antenna；
Described 220V city supplies electricity to the first host computer and powers, and the 5th transformator and the 6th transformation chip connect,
220V civil power gives the 6th microprocessor power supply by the 5th transformator and the 6th transformation chip；First serial electricity
Road signal input part and the 6th microprocessor signals outfan connect, first serial circuit and the first host computer
Connecting, the 6th LED light signal input port connects the 6th microprocessor, the 6th antenna and the 6th micro-place
Reason device is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172884.3U CN205479601U (en) | 2016-03-07 | 2016-03-07 | Building gas riser automatic cutout and blowdown system based on wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172884.3U CN205479601U (en) | 2016-03-07 | 2016-03-07 | Building gas riser automatic cutout and blowdown system based on wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479601U true CN205479601U (en) | 2016-08-17 |
Family
ID=56659740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620172884.3U Withdrawn - After Issue CN205479601U (en) | 2016-03-07 | 2016-03-07 | Building gas riser automatic cutout and blowdown system based on wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782542A (en) * | 2016-03-07 | 2016-07-20 | 中国计量学院 | Automatic cutting-off and emptying system and method for building gas vertical pipe based on wireless transmission |
| CN110879277A (en) * | 2019-11-11 | 2020-03-13 | 江苏西维斯信息技术有限公司 | Gas monitoring system and method thereof |
-
2016
- 2016-03-07 CN CN201620172884.3U patent/CN205479601U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782542A (en) * | 2016-03-07 | 2016-07-20 | 中国计量学院 | Automatic cutting-off and emptying system and method for building gas vertical pipe based on wireless transmission |
| CN105782542B (en) * | 2016-03-07 | 2018-08-14 | 中国计量学院 | Building gas riser based on wireless transmission automatically cuts off blowdown system and method |
| CN110879277A (en) * | 2019-11-11 | 2020-03-13 | 江苏西维斯信息技术有限公司 | Gas monitoring system and method thereof |
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