TWI473470B - Sensing network deployment system and sensing network deployment method - Google Patents

Description

Sensing network construction system and sensing network construction method

A sensing network deployment system and a sensing network construction method, in particular, using a sensing network deployment auxiliary device to assist in the construction of a sensing network.

In the application of home sensing network, the deployment of network nodes has been a widely discussed problem. Most of the traditional home security services are carried out by means of wired sensors, which is laborious and time consuming and costly. Therefore, the application of the wireless sensing network to the home security service has recently been developed, but the operation in the construction is still very complicated, and most of them require professionals to set up the office, and there is no self-service suite process design.

In addition, there is a problem that the network node may mistakenly enter the sensing network of another home in the construction of the sensing network.

Please refer to the automated hierarchical sensing network architecture and management method of Taiwan Patent Publication No. I253252. Referring to FIG. 1 , a schematic diagram of a sensing network architecture of a prior art, wherein the sensing network is connected by a plurality of sensing devices 11 and a regional control center 12 in a wireless transmission manner to form a sensing device area network 10 . The regional control centers 12 in the respective sensing device area networks 10 are combined into one network, called the backbone network 50, and connected to a receiver 20 through the backbone network 50. The receiver 20 is connected to the receiver 20. Connected to a central control center 30, wherein the sensing devices 11 only have functions of receiving and transmitting messages and automatically logging into the network, without any other wireless transmission functions such as transfer, path maintenance, and multiple access control. This minimizes the cost of design and implementation of the sensor.

Although Taiwan Patent Publication No. I253252 mentions that the sensing device has the function of automatically logging into the network, it does not further explain how the sensing device is built and the setting method, and does not propose to solve the problem in the sensing network. At the time of deployment, the network node mistakenly entered the sensing network of another home.

The main purpose of the present invention is to provide a sensing network deployment system, the sensing network deployment system comprising a sensing network and a sensing network deployment auxiliary device, the sensing network comprising a control center And a plurality of network nodes, wherein the network nodes form a network topology for data transmission, and the control center forms a mesh network with the network nodes through the wireless network protocol. The sensing network deployment auxiliary device obtains the sensing network parameters from the control center and provides the sensing network parameters to the network node for setting to construct the sensing network.

Another main object of the present invention is to provide a method for constructing a sensing network, the method for constructing a network includes opening the control center, and setting a sensing network parameter according to a deployment step in the control center. Inserting a sensing network deployment auxiliary device into the control center, so that the sensing network deployment auxiliary device obtains sensing network parameters from the control center, and then removing the sensing network from the control center assisting equipments.

Then, a network node of the network nodes is turned on, and the sensing network deployment auxiliary device is inserted into the network node, so that the network node obtains the sensing network from the sensing network deployment auxiliary device. The parameters are then added to the sensing network based on the sensing network parameters.

Then, the sensing network deployment auxiliary device is removed from the network node, and the sensing network deployment auxiliary device is sequentially inserted into other network nodes for setting other network nodes to complete the feeling. Test network deployment. Moreover, the sensing network parameter includes at least one of a network identification authentication (ID), a usage channel, and a sensing network parameter of a security key, wherein the security key is used to encrypt the packet to prevent the theft ( Eavesdropper) steals information to provide a secure node to join the sensing network process.

Therefore, the user can complete the construction of the sensing network according to the above system and method, and since the sensing network parameter includes the network identification authentication, the network node is based on the network when joining the sensing network. The identification authentication is added to the sensing network, so that the problem of the network node entering the other sensing network when the sensing network is deployed may be prevented.

The embodiments of the present invention will be described in more detail below with reference to the drawings and the <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt;

Referring to Figure 2, a schematic diagram of a sensing network deployment system of the present invention. The present invention provides a sensing network deployment system including a sensing network and a sensing network deployment auxiliary device (not shown). The sensing network 100 includes a control center 122 and a plurality of The network node, wherein the network node is at least one of a router 140a and an operating device 140b, and a network topology 130 is formed between the network nodes for data transmission. The control center 122 forms a mesh network 120 with the network nodes through a wireless network protocol. The sensing network deployment assistance device obtains at least one sensing network parameter from the control center 122 and provides the sensing network parameter to the network node for setting to construct the sensing network.

It is to be noted that the control center 122 and the plurality of network nodes can be mounted to the ceiling in a stereoscopic manner or mounted to the ceiling in a dispersed manner.

The composition of the control center 122, the network node, and the sensing network deployment auxiliary device are further described below.

The control center 122 has a micro processing unit (not shown), a power supply (not shown), a short-range network communication interface, a long-distance network communication interface, an input display interface, and a first An input/output connection end and at least one of a sensing unit and an actuation unit, wherein the control center 122 determines whether it is required to have a sensing unit or an actuation unit according to an application requirement, and the power supply is a main power supply trunk And at least one of the batteries for supplying power to the entire control center.

The short-range network communication interface is used for making a wireless network agreement with a network node to form a mesh network 120, wherein the short-range network communication interface includes ZigBee, Z-Wave, WiBree, Bluetooth, Insteon, WiFi and one of UWB. The long-distance network communication interface has a gateway-like function, and the long-distance network communication interface is used to connect with the Internet 110 to provide a user with remote monitoring of home security functions or an emergency. The message is transmitted to the user's mobile phone or email, and the long-distance network communication interface includes one of GSM, GPRS, 3G, WiMAX, Ethernet, and DSL. The control center 122 is connected to the sensing network deployment auxiliary device by using the first input/output connection, wherein the input/output connection comprises a USB socket. The input display interface is used to provide user input and viewing sensing network parameters.

Referring to Figure 3, a schematic diagram of the structure of a network node of the present invention. The network node 140 includes a microprocessor 141, a power supply unit 143, a second input/output connection 146, a light emitting diode (LED) 147, a short-range wireless transceiver 148, an antenna 149, and a sensing component 144 and actuation. At least one of the elements 145, wherein the network node 140 determines whether a sensing unit or an actuating unit is required according to an application requirement, and the microprocessor 141 further includes a memory 142.

The short range wireless transceiver 148 and antenna 149 are used to receive or transmit signals. The power supply unit 143 supplies the power required by the network node 140. The sensing component 144 generates external environment information after sensing the external environment and transmits the external environment information to the microprocessor 141. The microprocessor 141 processes the received external environment information to generate sensing information, and transmits the information to the control center 122 through the short-range wireless transceiver 148 and the antenna 149, and the microprocessor 141 can also transmit the short-range wireless Transceiver 148 and antenna 149 receive the strain signal from control center 122 and generate a trigger signal. The actuation element 145 begins to actuate upon receipt of a trigger signal from the microprocessor 141. The light-emitting diode (LED) 147 has a plurality of display functions of light colors, and the light colors individually represent a set indication.

It should be noted that the microprocessor 141 and the short-range wireless transceiver 148 can be combined into a single system on chip (SoC). For example, the single system chip system includes a TI CC2531 system chip.

It is noted that the microprocessor 141 can be combined with a TI MSP430 chip for a universal serial bus (USB) controller.

It is noted that the short range wireless transceiver 148 can be a TI CC2520 chip.

It is to be noted that the power supply unit 143 is at least one of a main power supply line and a battery for supplying power of the entire network node.

Moreover, the network node 140 is at least one of the router 140a and the operating device 140b. The router 140a and the operating device 140b form a network topology 130 for data transmission. The network topology includes a star shape. Star Topology, the operating device 140b is at least one of a sensor and an actuator.

When the operating device 140b is a sensor, it periodically transmits the sensed sensing information to the control center 122 through the router 140a. The control center 122 has a strain database established according to the relative conditions and the reaction control law. The control center 122 compares the received sensing signal with the data in the strain database to generate a corresponding strain signal. When the operating device 140b is an actuator, it receives a strain signal from the control center 122 that is used to trigger the actuator to begin operation.

For example, when the smoke sensor (sensor) returns the detected smoke information to the control center, the control center generates a trigger signal (strain signal) and transmits it to the alarm (actuator) and sprinkles water. A device (actuator) for triggering the alarm and sprinkler to begin operation.

It should be noted that the sensor includes at least one of a temperature sensor, a humidity sensor, a brightness sensor, a smoke sensor, and a reed switch, and the actuator includes an alarm, a light control At least one of a actuator, a refrigerating air conditioner actuator, a sprinkler, a generator, and an exhaust fan.

Referring to Figure 4, a schematic diagram of the structure of the sensing network deployment aid of the present invention.

The sensing network deployment auxiliary device 150 includes a controller 151, a memory unit 152, and at least one input/output interface, wherein the controller 151 performs signal conversion on signals received from the at least one input/output interface. The memory unit 152 is configured to store the signal received by the at least one input/output interface, and the at least one input/output interface comprises a bus bar and an input/output connection unit.

It should be noted that, for convenience of description, only two input and output interfaces, that is, the first input/output interface 157 and the second input/output interface 158 are shown in FIG. 4, and the input/output interface is not further limited.

The first input/output interface 157 includes a first input/output connection unit 153 and a first bus bar 155. The second input/output interface 158 includes a second input/output connection unit 154 and a second bus bar 156. The first input/output interface 157 is connected to the first input/output connection end of the control center 122 through the first input/output connection unit 153 for receiving the first data signal from the control center 122, and the second input/output interface 158 is transmitted through the first input/output interface 158. The two input and output connection unit 154 interfaces with the second input/output connection 146 of the network node 140 for transmitting the second data signal to the network node 140.

It should be noted that the first data signal and the second data signal may be the same electrical signal, or the first data signal and the second data signal may be different electrical signals.

It should be noted that the first input/output connection unit 153 and the second input/output connection unit 154 may be the same type of connection unit, or the first input/output connection unit 153 and the second input/output connection unit 154 may be different types. Connection unit.

It is to be noted that the first input/output interface 157 is one of a universal serial bus (USB) interface and a universal asynchronous receive and transmit (UART) interface, and the second input/output interface 158 is a universal serial bus (USB). Interface and one of the Universal Asynchronous Receive and Transmit (UART) interfaces.

Referring to FIG. 5, a flow chart of a method for constructing a sensing network according to the present invention. The sensing network deployment method includes: opening the control center 122 (step S501), having a set of deployment step instructions in the control center, and the user setting at least one relevant sensing network parameter according to the deployment step guide. For example, a network identification authentication (ID), a usage channel, and a sensing network parameter for encapsulating the encrypted security key (step S502).

Then, the user inserts the sensing network deployment assisting device 150 into the control center 122 according to the deployment step guide (step S503). After the sensing network deployment assisting device 150 and the control center 122 are connected, the sensing network The road installation auxiliary device 150 acquires the sensing network parameters set by the user from the control center 122, and stores the sensing network parameters into the memory unit 152 (step S504). After the storage network parameters are stored, the deployment step guidance in the control center 122 indicates that the control center 122 has been set (step S505), and then the user removes the sensing network deployment assistance from the control center 122. The device 150 (step S506) is used to construct other network nodes 140.

Then, a network node 140 is turned on (step S507). After the network node is turned on, the LED 147 displays a first type of light color, for example, a red light, to indicate that the user will use the sensing network deployment auxiliary device. 150 is inserted into the network node 140 (step S508). Then, the user inserts the sensing network deployment assisting device 150 into the network node 140. When the sensing network deployment assisting device 150 is interfaced with the network node 140, the LED 147 displays the second. A light color, such as a yellow light, is used to indicate that the network node 140 setting operation does not remove the sensing network deployment assisting device 150 (step S509).

Then, the network node 140 obtains the sensing network parameters set by the user from the sensing network deployment assisting device 150, and stores the parameters in the memory 142. At this time, the LED still displays the second color of the light (step S510). Then, the network node 140 joins the sensing network according to the sensing network parameters (step S511), for example, the sensor or the actuator joins the network between the router and the router according to the sensing network parameter. In the topology, or the router joins the mesh network of the control center according to the sensing network parameters, wherein the security key in the sensing network parameter can encrypt the packet to prevent the stealer from stealing (eavesdropper) Information to provide network node 140 with a secure join sensing network process. When the network node 140 joins the sensing network, the network node 140 completes the setting, and the LED displays a third color of light, such as a green light, to indicate that the user can remove the sense from the network node 140. The network deployment assisting device 150 is measured (step S512), and then the user removes the sensing network deployment assisting device 150 (step S513), and then inserts the sensing network deployment assisting device 150 into the other The network node 140 is configured to set other network nodes 140.

The setting steps of the other network nodes 140 are the same as steps S507-S513. When all the network nodes 140 are set, a sensing network deployment is completed. Afterwards, the user can further perform related application settings through the management software in the control center 122, for example, the frequency of the sensing value, the pairing between the sensor and the actuator, and the power-saving sleep time.

Moreover, after the sensing network is deployed, the sensing network deployment auxiliary device 150 can be directly inserted into the control center 122 to periodically obtain sensing network parameters from the control center 122 for sensing. Instant backup of network parameters. In this way, when some network nodes are rebooted due to power failure (Reboot) or some network nodes need to be reset after being replaced due to failure, the sensing network deployment auxiliary device only needs to be inserted into the power failure weights. The entire sensing network can be repaired by booting or re-replacement of the network node without having to re-wire the entire sensing network to meet the need for sensing network reset-free deployment.

In addition, the sensing network deployment aid 150 can transmit the sensing network parameters received from the control center 122 to the network node 140 at the same time or at different times. On the other hand, the control center 122 can also directly transmit the sensing network parameters to the network node 140, and the transmission mode includes the control center 122 directly interfacing with the network node 140 for transmitting the sensing network parameters; or controlling The center 122 and the network node 140 are simultaneously interfaced with the sensing network deployment aid 150, and the control center 122 transmits the sensing network parameters to the network node 140 through the sensing network deployment assistance device 150.

Therefore, the user can complete the construction of the sensing network according to the above system and method, and since the sensing network parameter includes the network identification authentication, the network node is based on the network when joining the sensing network. The identification authentication is added to the sensing network, so that the problem of the network node entering the other sensing network when the sensing network is deployed may be prevented.

It should be noted that the sensing network deployment assisting device 150 may have a built-in power supply unit for providing power required for sensing the network deployment assisting device 150, or a power supply by the control center 122. The power supply unit 143 of the network or network node 140 provides the power required to sense the network deployment aid 150.

The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the present invention in any way, and any modifications or alterations to the present invention made in the spirit of the same invention. All should still be included in the scope of the intention of the present invention.

10. . . Sensing device area network

11. . . Sensing device

12. . . Regional control center

20. . . receiver

30. . . Central control center

50. . . Backbone network

100. . . Sensing network

110. . . Internet

120. . . Mesh network

122. . . control center

130. . . Network topology

140. . . Network node

140a. . . router

140b. . . Operating device

141. . . microprocessor

142. . . Memory

143. . . Power supply unit

144. . . Sensing element

145. . . Actuating element

146. . . Second input and output connection

147. . . Light-emitting diode (LED)

148. . . Short-range wireless transceiver

149. . . antenna

150. . . Sensing network deployment aid

151. . . Controller

152. . . Memory unit

153. . . First input and output connection unit

154. . . Second input and output connection unit

155. . . First bus

156. . . Second bus

157. . . First input and output interface

158. . . Second input and output interface

S501-S513. . . step

FIG. 1 is a schematic diagram of a sensing network architecture of the prior art.

2 is a schematic diagram of a sensing network deployment system of the present invention.

Figure 3 is a schematic diagram showing the structure of a network node of the present invention.

FIG. 4 is a schematic structural view of the sensing network deployment auxiliary device of the present invention.

FIG. 5 is a flow chart of a method for constructing a sensing network according to the present invention.

S501-S513. . . step

Claims (10)

A sensing network deployment system includes: a sensing network, comprising a control center and a plurality of network nodes, wherein the network nodes form a network topology for data transmission, The control center forms a mesh network with the network nodes through a wireless network protocol; and a sensing network deployment auxiliary device obtains at least one sensing network parameter from the control center and the at least A sensing network parameter is provided to the network nodes for setting up the sensing network, wherein the network nodes each include a microprocessor, a power supply unit, and a second input/output connection. The terminal, a light emitting diode (LED), a short-range wireless transceiver, an antenna, and at least one of a sensing component and an actuating component, wherein the sensing network deployment auxiliary device comprises: a controller for performing signal conversion on a signal received from the at least one input/output interface; a memory unit for storing the signal received by the at least one input/output interface; and at least one input/output interface, the An input/output interface includes a bus bar, an input/output connection unit, a first input/output interface, and a second input/output interface. The first input/output interface includes a first input/output connection unit and a first bus bar. The first input/output interface is connected to the first input/output connection end of the control center through the first input/output connection unit, and is configured to receive a first data signal from the control center, and the second input output interface includes a second input/output connection unit and a second bus, the second input/output interface is connected to the second input/output connection unit And a second input/output connection of the network node for transmitting a second data signal to the network nodes. The sensing network deployment system according to claim 1, wherein the control center comprises a micro processing unit, a power supply, an input display interface, a short-distance network communication interface, and a long-distance network. a communication interface, a first input/output connection, and at least one of a sensing unit and an unifying unit. The sensing network deployment system of claim 2, wherein the power supply is at least one of a main power supply line and a battery for providing the control center power. The sensing network deployment system of claim 1, wherein the light emitting diode has a display function of a plurality of light colors. The sensing network deployment system of claim 1, wherein the network nodes comprise at least one of a router, a sensor, and an actuator. A sensing network construction method for constructing a sensing network, wherein the sensing network includes a control center and a plurality of network nodes, and the sensing network deployment method includes: opening the control center Setting at least one sensing network parameter according to the deployment step in the control center; inserting a sensing network deployment auxiliary device into the control center, so that the sensing network deployment auxiliary device and the control center And sensing the network deployment auxiliary device and obtaining the at least one sensing network parameter from the control center; removing the sensing network deployment auxiliary device from the control center; and opening the network node a network node; Inserting the sensing network deployment auxiliary device into the network node, configured to set the network node, so that the network node obtains the at least one sensing network parameter from the sensing network deployment auxiliary device; The network node joins the sensing network according to the at least one sensing network parameter; the sensing network deployment auxiliary device is removed from the network node; and the sensing network deployment auxiliary device is sequentially inserted Other network nodes are used to set other network nodes to complete a sensing network deployment; and when the sensing network is deployed, the sensing network deployment auxiliary device is directly inserted in The control center is configured to obtain the at least one sensing network parameter from the control center to periodically perform an immediate backup of the at least one sensing network parameter. The method of claim network construction according to claim 6, wherein the at least one sensing network parameter comprises at least one of a network identification authentication (ID), a usage channel, and a security key for packet encryption. One. According to the sensing network construction method of claim 6, the method further includes: after the sensing network deployment is completed, performing at least one application setting through a management software of the control center, where At least one application setting includes at least one of a frequency of back sensing measurements, a pairing between the sensor and the actuator, and a power saving sleep time. The sensing network construction method according to claim 6, wherein the network nodes each have a light emitting diode, and the light emitting diode has a plurality of display functions of light colors. According to the sensing network construction method of claim 9, wherein the color of the light includes: a first type of light color, which is displayed after the network node is turned on. a color of the light for providing an indication that the sensing network deployment aid is inserted into the network node; a second color of the light is after the sensing network deployment auxiliary device is interfaced with the network node Displaying the second color of the light to provide an indication that the sensing network deployment aid is not removed; and a third color of the light is displayed after the network node joins the sensing network Three light colors are provided to provide an indication to remove the sensing network deployment aid from the network node.