Background technology
Due to the acceleration of Urbanization in China, modern building more and more appear in city, and people's Working Life more and more relies on building, and the time is all spent in building greatly.
On the one hand, people especially pay attention to building environmental amenity, security etc.Be directed to this, in the prior art, generally adopt for environment is monitored and sent the supervisory system of alerting signal when producing unusual condition, for example be applied to the fire alarm equipment in interior architecture thing, gas leakage warning device, cigarette sense warning device, burglar alarm etc., and be applied to outdoor atmosphere quality monitoring device etc.
On the other hand, along with world energy sources aggravation day by day in short supply, the energy saving of building also seems and is even more important.Be directed to this, in the prior art, by building environment being carried out to effective monitoring, can provide for the operation of the consumers such as central air conditioner, refrigerator reference, energy-saving and emission-reduction are played to positive impetus.
Sensing network is the wired or wireless network consisting of with free configuration mode one group of sensor, its objective is the information of perceptive object in the geographic area of perception synergistically, the acquisition and processing network coverage, and converges to observer.Sensor, network technology and information processing are three fundamentals of sensing network; Complete perception task one group of sensor synergism; Cable network or wireless network are between sensor, transmit data and control command between sensor and control center; On to the basis of the statistics of raw data, analysis, form decision-making and control, to realize the function of information processing.
But there are the following problems for existing building environmental monitoring system:
First, function singleness, a supervisory system can not be monitored the multiple unsafe factor of induction simultaneously, makes, in order to realize the monitoring of several functions, inevitably will assemble the multiple supervisory system of corresponding function, and integrated level and applicability are poor; In addition, supervisory system is fixing assembling, can only be in appointed area monitor in the monitoring range of its sensor, coverage is limited, therefore for covering larger monitoring range, must add a plurality of supervisory systems in different places, need to expend appreciable fund, the reliability of work is poor.
In addition, existing building environmental monitoring system is to adopt cable to connect each check point, the situation such as various according to building inside measuring point, circuit is intricate, between each system, can only accomplish the interlock of some necessity, detection node is all by man-to-man distribution, focuses on central control room and realizes centralized control.The laying maintenances of system etc. are all inconvenient, and for long-distance transmissions, have the problem that cable laying cost is higher.
Summary of the invention
The object of the invention is to be to provide a kind of intelligent monitor system based on technology of wireless sensing network, for solving, prior art is applied limited, function singleness or circuit is laid the problems such as numerous and diverse.
For addressing the above problem, the invention provides a kind of intelligent monitor system based on technology of wireless sensing network, comprising: the monitor node that is arranged on each control point; Establish a communications link with described monitor node, for described monitor node is carried out to management and control, gather the data uploaded by described monitor node and the data that gather are carried out to protocol conversion for uploading and to the gateway node of the described monitor node sending controling instruction of correspondence; Establish a communications link with described gateway node, for described gateway node is carried out to management and control, gather the data uploaded by described gateway node, the service platform of management and control instruction is stored, analyzes, adds up and process and sent to the described monitor node of correspondence by described gateway node to the data that gather; Described gateway node and described monitor node are set up communication connection by Zigbee wireless network, and described gateway node and described service platform are that the VPN (virtual private network) VPN based on ICP/IP protocol establishes a communications link; Described gateway node has been realized the seamless link of Zigbee wireless network and the VPN (virtual private network) VPN based on ICP/IP protocol; Establish a communications link with described service platform, for the access terminal of accessing described service platform and by described service platform, corresponding described gateway node and/or described monitor node being controlled.
Alternatively, described monitor node comprises that humiture detects temperature sensor and the humicap in application; Described humicap, for tested airborne relative humidity is converted to capacitance, is converted to frequency signal by the oscillatory circuit connecting by described capacitance, and after digital signal processing, more described frequency signal being converted to can be for the humidity value showing; When receiving by described gateway node the request msg reading command of being sent by described service platform, the humidity data that the temperature data described temperature sensor sensing being obtained by described gateway node and described humidity capacitance sensing obtain is uploaded to described service platform.
Alternatively, described monitor node comprises voltage sensor and the current sensor that is respectively used to detect consumer voltage and current in consumer management and control application, and described consumer management and control application also comprises intelligent switch; When receiving by described gateway node the request msg reading command of being sent by described service platform, the current data that the voltage data described voltage sensor sensing being obtained by described gateway node and described current sensor sensing obtain is uploaded to described service platform; When receiving by described gateway node the execution steering order of being sent by described service platform, by described gateway node, control corresponding described intelligent switch and start ON or OFF instruction so that described consumer is closed a floodgate or sub-switching operation.
Alternatively, described monitor node comprises infrared carrier wave receiver and the infrared emittance in air-conditioning remote control application; When receiving by described gateway node the long distance wireless learn command of being sent by described service platform, start described infrared carrier wave receiver, carry out carrier wave analysis decoding; When receiving by described gateway node the execution steering order of being sent by described service platform, utilize described infrared emittance to send infrared control order, control the duty of corresponding air-conditioning.
Alternatively, described monitor node comprises the position transducer in curtain remote control application, in described curtain remote control application, also comprises driver; When receiving by described gateway node the request msg reading command of being sent by described service platform, the described curtain described position transducer sensing being obtained by described gateway node or the position data of described driver are uploaded to described service platform; When receiving by described gateway node the execution steering order of being sent by described service platform, control the opened and closed positions that described driver drives to adjust corresponding curtain.
Alternatively, described monitor node comprises the video probe in video surveillance applications.
Alternatively, described gateway node gathers the data of being uploaded by described monitor node and the data that gather is carried out to protocol conversion for uploading, comprise: described gateway node obtains the data of connected described monitor node with broadcast mode, the described data of obtaining are added to gateway messages queue, from described gateway messages queue, read described data and be packaged into packet, and described packet is uploaded to described service platform.
Alternatively, described packet is expandable mark language XML packet.
Alternatively, the data that described monitor node is uploaded comprise the image data of described monitor node and the device data relevant to described monitor node.
Alternatively, the networking mode between described monitor node and described gateway node comprises stelliform connection topology configuration, tree topology or fully connected topology.
As mentioned above, the intelligent monitor system based on technology of wireless sensing network provided by the invention comprise be arranged on each control point monitor node, with monitor node network connection network articulation point, the service platform being connected with gateway node network and the access terminal that is connected with service platform network.Described each access terminal independent operating also can form mutual coordination, like this, not only can realize online expansion and renewal, more can, according to different applied environment adaptive configuration, be applicable to multiple applied environment.Than prior art, intelligent monitor system of the present invention has the advantages such as independent, dynamic and flexible.
In addition, in the intelligent monitor system based on technology of wireless sensing network provided by the invention, described gateway node and described monitor node are set up communication connection by Zigbee wireless network, described gateway node and described service platform are that the network based on ICP/IP protocol establishes a communications link, and described gateway node has been realized the seamless link of Zigbee wireless network and the VPN (virtual private network) VPN based on ICP/IP protocol.Intelligent monitor system of the present invention, with respect to prior art, saved a large amount of cables, that system is laid is convenient, networking is simple, data transmission is reliable, increased the reusability of system, also the maintenance cost that has reduced system, is conducive to applying of technology simultaneously.
Embodiment
The present inventor finds: traditional supervisory system, exists that application is limited, function singleness or circuit lay the problems such as numerous and diverse.
Therefore, for overcoming the generation of above-mentioned defect and solving above-mentioned each problem, the present inventor improves prior art, proposed a kind of based on technology of wireless sensing network, applicable to the intelligent monitor system under multiple applied environment, according to different applied environments and adaptive configuration can realize the monitor node of difference in functionality accordingly, and, adjusted monitor node, communication connection mode between gateway node and service platform, make described gateway node realize the seamless link of Zigbee wireless network and the VPN (virtual private network) VPN based on ICP/IP protocol, with respect to prior art, saved a large amount of cables, it is more convenient that system is laid.
Below in conjunction with accompanying drawing, content of the present invention is elaborated.
Fig. 1 has shown the intelligent monitor system based on technology of wireless sensing network of the present invention structural representation in one embodiment.As shown in Figure 1, described intelligent monitor system comprises: be arranged on each control point monitor node 10, with monitor node 10 establish a communications link gateway node 12, the service platform 14 establishing a communications link with gateway node 12 and the access terminal 16 establishing a communications link with service platform 14.
Monitor node 10 is arranged on each place, control point, for tasks such as executing data collection or equipment controls.In actual applications, monitor node 10 can configure voluntarily according to different applied environments.Particularly, under different applied environments, monitor node 10 can adopt different equipment or device.Particularly, monitor node 10 can at least comprise: in humiture, detect temperature sensor and the humicap in application; Voltage sensor, current sensor and intelligent switch in consumer management and control application; Infrared carrier wave receiver and infrared emittance in air-conditioning remote control application; Position transducer in curtain remote control application and driver; And one or combination in any in the video probe in video surveillance applications.Certainly, above-mentioned each listed concrete monitor node is only exemplary illustration, but not as limit, those skilled in the art should do corresponding expansion to monitor node on aforementioned basis, and (for example, described monitor node can also be infrared sensor, pressure transducer, ultrasonic sensor, cigarette propagated sensation sensor, CO sensor, CO
2sensor, SO
2sensor, noise transducer, electromagnetic radiation sensor, pellet sensor), described expansion must belong in the scope of the present invention.
Gateway node 12 is to establish a communications link with monitor node 10, for each monitor node 10 of communication connection is carried out to management and control, gather the data uploaded by monitor node 10 and the data that gather are carried out to protocol conversion for uploading and to the described monitor node sending controling instruction of correspondence.In the present embodiment, especially, described gateway node and described monitor node are set up communication connection by Zigbee wireless network.Zigbee is the low-power consumption territory fidonetFido based on IEEE802.15.4 standard, and its tool has the following advantages: 1, closely; 2, low complex degree, self-organization; 3, low-power consumption; 4, low rate, adopts the product of ZigBee technology that 250kbps(16 channel can be provided on 2.4GHz), 40kbps(10 channel is provided on 915MHz) and 20kbps(1 channel is provided on 868MHz) transfer rate; 5, prolong in short-term; 6, low cost, Zigbee message transmission rate is low, and agreement is simple, so greatly reduce cost; 7, high power capacity, Zigbee adopts multiple network structure, by a host node, manages some child nodes, and maximum host nodes can be managed 254 child nodes; Host node can also, by last layer network node control, can form at most the catenet of 65000 nodes simultaneously.
The Zigbee wireless network of the foundation between gateway node 12 and each monitor node 10 can adopt different networking modes.Specifically: in one embodiment, described networking mode is starlike type network, that is: gateway node 12 is as reference mark, Yi Ge center, each monitor node 10 is all directly connected (as shown in Figure 2 a) with gateway node, thereby realizes a bit (gateway node 12) communication to a bit (gateway node 12) to the communication of multiple spot (monitor node 10) or multiple spot (monitor node 10).In another embodiment, described networking mode is tree topology (as shown in Figure 2 b,, in Fig. 2 b, also having introduced the intermediate equipment with routing function between gateway node 12 and monitor node 10).In an embodiment again, described networking mode is fully connected topology (as shown in Figure 2 c,, in Fig. 2 c, also having introduced the intermediate equipment with routing function between gateway node 12 and monitor node 10).The prior art being well known to those skilled in the art due to network topology structure, therefore do not repeat them here.
In the present embodiment, each monitor node 10 control point need to be collected to data or the device data relevant to self is uploaded to connected gateway node 12, that is, gateway node 12 can gather the data of being uploaded by monitor node 10.Further, gateway node also comprises that the data to gathering carry out being uploaded to service platform 14 after protocol conversion again.In actual applications, gateway node 12 gathers the data of being uploaded by monitor node 10 and the data that gather is carried out to protocol conversion for uploading, comprise: gateway node 12 obtains the data of connected monitor node 10 with broadcast mode, the described data of obtaining are added to gateway messages queue, from described gateway messages queue, read described data and be packaged into packet, more described packet is uploaded to service platform 14.In above-mentioned processing, the data that monitor node 10 is uploaded comprise the image data of monitor node 10 and the device data relevant to monitor node 10 (for example fault data), and described packet is expandable mark language XML packet.In a specific implementation, preferably, gateway node is ARM9 flush bonding processor.
Service platform 14 is to establish a communications link with gateway node 12, for gateway node 12 is carried out to management and control, gather the data uploaded by gateway node 12, the data that gather are stored, analyze, added up and process and send management and control instructions by gateway node 12 to corresponding monitor node 10.
In the present embodiment, described gateway node and described service platform are that network based on ICP/IP protocol establishes a communications link.So, the gateway node 12 in the present invention has just been realized the seamless link of Zigbee wireless network and TCP/IP network (for example Internet), has fully utilized the advantage of each network type.
Service platform is as Yi Ge administrative center, for manage each gateway node 12 of being attached thereto and under each monitor node 10.Affiliated management and control instruction specifically can comprise request msg reading command and steering order.Service platform 14 is mainly manifested in: when service platform 14 need to obtain the data of each monitor node 10, by gateway node 12, to that or that several monitor nodes 10 of appointment, send request msg reading command, and follow-up gather by gateway node 12 upload the data of corresponding that or that several monitor nodes; Service platform 14 can directly store the data uploaded or for example, to these data analysis, statistics (add up and obtain relevant rule and change for the data of uploading in a period of time) to judge the operation conditions of the monitored object of monitor node 10 or monitor node 10 corresponding control points; When service platform 14 receives external command or judges monitor node 10 or when the operation conditions of the monitored object of monitor node 10 corresponding control points need to change, by gateway node 12, to monitor node 10, send steering order, adjust the operation conditions of the monitored object of monitor node 10 or monitor node 10 corresponding control points.
Access terminal 16 is to establish a communications link with service platform 14, for access services platform 14 and by 14 pairs of corresponding gateway nodes 12 of service platform and/or monitor node 10, controls.In specific implementation, access terminal 16 not only can be learned relevant information by access services platform 14, for example: the annexation of monitor node 10, gateway node 12 and service platform 14, the data of each monitor node 10 (comprising real time data or statistics), more can control the monitored object of each monitor node 10 or monitor node 10 corresponding control points, according to actual needs, adjust the operation conditions of the monitored object of monitor node 10 or monitor node 10 corresponding control points.The access terminal 16 here can be that any accessible services platform 14(has webpage login function) equipment, such as PC, notebook computer, panel computer, mobile phone etc.
For the intelligent monitor system based on technology of wireless sensing network of the present invention, the example under each applied environment is described in detail below.
The first embodiment:
In the first embodiment, described in be applied as humiture and detect application.Monitor node 10 comprises for the temperature sensor of the temperature of the tested air of sensing with for the humicap of the humidity of the tested air of sensing.For humicap, it is for tested airborne relative humidity is converted to capacitance, oscillatory circuit by follow-up connection is converted to frequency signal by described capacitance, and after the digital signal processing of for example single-chip microcomputer or digital signal processing chip DSP, more described frequency signal being converted to can be for the humidity value showing on display device.
In actual applications, generally, when receiving by gateway node 12 the request msg reading command of being sent by service platform 14, gateway node 12 obtains the temperature data of temperature sensor and the humidity data of humicap at connected place, control point with broadcast mode, the temperature data obtaining and humidity data are added to gateway messages queue, from described gateway messages queue, read temperature data and humidity data and they are packaged into respectively to packet, and described packet is uploaded to service platform 14.
The second embodiment:
In a second embodiment, described in, be applied as consumer management and control application.Monitor node 10 comprises voltage sensor and the current sensor that is respectively used to detect consumer voltage and current, utilize voltage sensor and current sensor, just can detect the parameters of electric power such as voltage, electric current, power, electric weight, power factor (PF), active power that obtain described consumer.In addition, in described consumer management and control application, also comprise for controlling the intelligent switch of described consumer.
In actual applications, when receiving by gateway node 12 the request msg reading command of being sent by service platform 14, gateway node 12 obtains with broadcast mode the current data that voltage data that the described voltage sensor sensing at connected place, control point obtains and described current sensor sensing obtain, the voltage data obtaining and current data are added to gateway messages queue, read-out voltage data and current data they are packaged into respectively to packet from described gateway messages queue, and described packet is uploaded to service platform 14.When receiving by gateway node 12 the execution steering order of being sent by service platform 14, by gateway node 12, control corresponding intelligent switch and start ON/OFF instruction with to close a floodgate/sub-switching operation of described consumer.It should be noted that, in the present embodiment, described intelligent switch is not limited in and closes a floodgate/sub-switching operation, in fact, described intelligent switch can be realized according to actual needs and more control instruction, such as the power etc. that increases/reduce consumer, in this not explanation one by one.
The 3rd embodiment:
In the 3rd embodiment, described in be applied as air-conditioning remote control application.Monitor node 10 comprises infrared carrier wave receiver and infrared emittance.Described infrared carrier wave receiver, the coded formats such as comprehensive compatible NEC, PHILIPS, TOSHIBA, PANASONIC, can be to the study of decoding of all kinds of on the market air-conditioning remote controls.
In actual applications, when receiving by gateway node 12 the long distance wireless learn command of being sent by service platform 14, start described infrared carrier wave receiver, carry out carrier wave analysis decoding.If successfully resolved, shows that remotely controlled completes; If resolve unsuccessfully, by gateway node 12, return to EERO information to service platform 14, using and as service platform 14, carry out the processing reference frame of next action.In the situation that completing remotely controlled, when receiving by gateway node 12 the execution steering order of being sent by service platform 14, utilize described infrared emittance to send infrared control order, control the duty of corresponding air-conditioning.
The 4th embodiment:
In the 4th embodiment, described in be applied as curtain remote control application.Monitor node 10 comprises for position transducer.In addition, in described curtain remote control application, also comprise driver.
In actual applications, when receiving by gateway node 12 the request msg reading command of being sent by service platform 14, gateway node 12 obtains described curtain that the position transducer sensing at connected place, control point obtains or the position data of described driver with broadcast mode, the position data of obtaining is added to gateway messages queue, read-out position data be packaged into packet from described gateway messages queue, and described packet is uploaded to service platform 14.When receiving by gateway node 12 the execution steering order of being sent by service platform 14, control the opened and closed positions that described driver drives to adjust corresponding curtain.
The 5th embodiment:
In the 5th embodiment, described in be applied as video surveillance applications.Monitor node 10 comprises video probe.
In actual applications, when receiving by gateway node 12 the request msg reading command of being sent by service platform 14, the video probe that gateway node 12 obtains connected place, control point with broadcast mode absorbs the image data obtaining, the image data obtaining is added to gateway messages queue, from described gateway messages queue, read image data and be packaged into packet, and described packet is uploaded to service platform 14.When receiving by gateway node 12 the execution steering order of being sent by service platform 14, control described video probe and operate accordingly (such as horizontal position adjustment, angle of pitch adjustment, image capturing mode etc.).
In sum, the intelligent monitor system based on technology of wireless sensing network provided by the invention comprise be arranged on each control point monitor node, with monitor node network connection network articulation point, the service platform being connected with gateway node network and the access terminal that is connected with service platform network.Described each access terminal independent operating also can form mutual coordination, like this, not only can realize online expansion and renewal, more can, according to different applied environment adaptive configuration, be applicable to multiple applied environment.Than prior art, intelligent monitor system of the present invention has the advantages such as independent, dynamic and flexible.
In addition, in the intelligent monitor system based on technology of wireless sensing network provided by the invention, described gateway node and described monitor node are set up communication connection by Zigbee wireless network, described gateway node and described service platform are that the network based on ICP/IP protocol establishes a communications link, and described gateway node has been realized the seamless link of Zigbee wireless network and the VPN (virtual private network) VPN based on ICP/IP protocol.Intelligent monitor system of the present invention, with respect to prior art, saved a large amount of cables, that system is laid is convenient, networking is simple, data transmission is reliable, increased the reusability of system, also the maintenance cost that has reduced system, is conducive to applying of technology simultaneously.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, so protection scope of the present invention should be as the criterion with claim limited range.