CN105872969A - Method for constructing overall-finished housing indoor fire protection system - Google Patents

Abstract

The invention provides a method for constructing an overall-finished housing indoor fire protection system. The method adopts a wireless sensor network to carry out fire hazard monitoring; the wireless sensor network particularly comprises sensor network nodes and a monitoring center server; the sensor network nodes are arranged at measured positions and are connected with the monitoring center server by a local area network; the monitoring center server provides a data service or sends out early-warning information to a remote user by a network; and each sensor network node comprises a sensor network positioning module for carrying out positioning by adopting an ellipse positioning method, a sensor constraining module for constraining an expense and energy of a sensor, a self power supply module which supplies energy by adopting a dye-sensitized photocell, and a data correction module. The overall-finished housing indoor fire protection system constructed by the method provided by the invention has a long service life and high monitoring accuracy; a positioning speed of the sensor network nodes is improved; the expenses and energy of the sensors are constrained; and monitoring cost is saved to the greatest extent.

Description

A kind of fully-decorated residence indoor fire safety system constituting method

Technical field

The present invention relates to fire-fighting domain, be specifically related to a kind of fully-decorated residence indoor fire safety system constituting method.

Background technology

Fire refers to the disaster that the most out of control burning is caused.In various disasters, fire be most frequently, One of major casualty threatening common people's safety and social development the most at large, currently, automatic fire alarm system is mainly visited with temperature-sensitive Surveying and smoke detection is main, cardinal principle is to be judged by the data message being gathered detector, if it exceeds set in advance Fixed threshold value, then send abnormal alarm.Along with monitoring the time passage and sensing data volume growth, sensor management, There is bigger difficulty in the tissue of sensing data, and the data collected for sensor network nodes must surveyed in conjunction with it Positional information in amount coordinate system is the most meaningful.

Additionally, the working sensor energy consumption that used of monitoring is big and is easily subject to the impact of the environment such as temperature, sensor is caused to be surveyed The data precision obtained reduces, and have impact on precision and the cost of fire monitoring further.

Summary of the invention

For the problems referred to above, the present invention provide a kind of can quickly alignment sensor network node, simultaneously to the expense of sensor and Energy carries out retraining, monitoring the wireless senser disaster hidden-trouble monitoring network that degree of accuracy is high.

The purpose of the present invention realizes by the following technical solutions:

A kind of fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to carry out disaster hidden-trouble monitoring, has Body includes sensor network nodes, LAN, monitoring center's server and short message alarm module, described sensor network nodes cloth Put at tested position and be connected by LAN with monitoring center server, monitoring center's server by network to long-distance user Data, services it is provided or sends early warning information, it is possible to sending early warning note by short message alarm module, it is characterized in that, described sensing Device network node includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and arranges sensor network nodes during location Coordinate be that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the first reference mode Coordinate, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell；

Further, described fully-decorated residence indoor fire safety system constituting method also include data correction module and with signal processing The power detecting module that module connects；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

Further, before gathering data, the clock using TPSN algorithm to realize wireless sensor network synchronizes, and is specially Local clock at node to be synchronized adds clock jitter, and the clock completing node synchronizes.

The invention have the benefit that

1, positioning sensor network nodes is the premise of accurate measurements, arranges and uses the sensor network of oval positioning mode fixed Position module, simplifies location Calculation, accelerates the locating speed of sensor network nodes, set up rapidly the prison to disaster hidden-trouble Survey system；

2, by setting sensor constraints module, for expense and the energy of sensor are retrained, it is possible to disaster hidden-trouble Monitoring cost is saved to greatest extent on the premise of effectively monitoring；

3, after general sensor node uses a period of time, self-contained power depletion and lost efficacy, be arranged under illumination condition to Sensor continues the coloring matter sensitization type light cell of energy supply, extends the service life of disaster hidden-trouble monitoring device；

4, it is provided for the data correction module that the data of sensor acquisition are corrected, improves the monitoring to disaster hidden-trouble quick Sensitivity.

Accompanying drawing explanation

The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for Those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtains the attached of other according to the following drawings Figure.

Fig. 1 is the connection diagram of each intermodule of the present invention.

Detailed description of the invention

The invention will be further described with the following Examples.

Embodiment 1

Seeing Fig. 1, the present embodiment one fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to enter Row disaster hidden-trouble is monitored, and specifically includes sensor network nodes, LAN, monitoring center's server and short message alarm module, institute State sensor network nodes be arranged in tested position and be connected by LAN with monitoring center server, monitoring center's server There is provided data, services by network to long-distance user or send early warning information, it is possible to sending early warning note by short message alarm module, It is characterized in that, described sensor network nodes includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and arranges sensor network nodes during location Coordinate be that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the first reference mode Coordinate, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell；

Further, described fully-decorated residence indoor fire safety system constituting method also include data correction module and with signal processing The power detecting module that module connects；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

Further, before gathering data, the clock using TPSN algorithm to realize wireless sensor network synchronizes, and is specially Local clock at node to be synchronized adds clock jitter, and the clock completing node synchronizes.

The present embodiment accelerates the locating speed of sensor network nodes, is arranged under illumination condition the color continuing energy supply to sensor Element sensitizing type light cell extends the service life of monitoring device；Sensor network route meet bandwidth, time delay, delay jitter, Packet loss constraints, f_b、f_d、f_dj、f_plValue be all 1, monitoring cost relative reduction 10%；According to sensor The correction factor m value of type selecting is 0.01, and monitoring accuracy improves 2% relatively.

Embodiment 2

Seeing Fig. 1, the present embodiment one fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to enter Row disaster hidden-trouble is monitored, and specifically includes sensor network nodes, LAN, monitoring center's server and short message alarm module, institute State sensor network nodes be arranged in tested position and be connected by LAN with monitoring center server, monitoring center's server There is provided data, services by network to long-distance user or send early warning information, it is possible to sending early warning note by short message alarm module, It is characterized in that, described sensor network nodes includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and arranges sensor network nodes during location Coordinate be that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the first reference mode Coordinate, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell；

Further, described fully-decorated residence indoor fire safety system constituting method also include data correction module and with signal processing The power detecting module that module connects；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

Further, before gathering data, the clock using TPSN algorithm to realize wireless sensor network synchronizes, and is specially Local clock at node to be synchronized adds clock jitter, and the clock completing node synchronizes.

The present embodiment accelerates the locating speed of sensor network nodes, is arranged under illumination condition the color continuing energy supply to sensor Element sensitizing type light cell extends the service life of monitoring device；Sensor network route be unsatisfactory for bandwidth, time delay, delay jitter, Packet loss constraints, f_b、f_d、f_dj、f_plValue be all 0.2, monitoring cost relative reduction 15%；According to sensing The correction factor m value of device type selecting is 0.02, and monitoring accuracy improves 3% relatively.

Embodiment 3

Seeing Fig. 1, the present embodiment one fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to enter Row disaster hidden-trouble is monitored, and specifically includes sensor network nodes, LAN, monitoring center's server and short message alarm module, institute State sensor network nodes be arranged in tested position and be connected by LAN with monitoring center server, monitoring center's server There is provided data, services by network to long-distance user or send early warning information, it is possible to sending early warning note by short message alarm module, It is characterized in that, described sensor network nodes includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and arranges sensor network nodes during location Coordinate be that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the first reference mode Coordinate, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell；

Further, described fully-decorated residence indoor fire safety system constituting method also include data correction module and with signal processing The power detecting module that module connects；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

Further, before gathering data, the clock using TPSN algorithm to realize wireless sensor network synchronizes, and is specially Local clock at node to be synchronized adds clock jitter, and the clock completing node synchronizes.

The present embodiment accelerates the locating speed of sensor network nodes, is arranged under illumination condition the color continuing energy supply to sensor Element sensitizing type light cell extends the service life of monitoring device；Sensor network route be unsatisfactory for bandwidth, time delay, delay jitter, Packet loss constraints, f_b、f_d、f_dj、f_plValue be all 0.4, monitoring cost relative reduction 8%；According to sensor The correction factor m value of type selecting is 0.03, and monitoring accuracy improves 5% relatively.

Embodiment 4

Seeing Fig. 1, the present embodiment one fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to enter Row disaster hidden-trouble is monitored, and specifically includes sensor network nodes, LAN, monitoring center's server and short message alarm module, institute State sensor network nodes be arranged in tested position and be connected by LAN with monitoring center server, monitoring center's server There is provided data, services by network to long-distance user or send early warning information, it is possible to sending early warning note by short message alarm module, It is characterized in that, described sensor network nodes includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and arranges sensor network nodes during location Coordinate be that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the first reference mode Coordinate, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell；

Further, described fully-decorated residence indoor fire safety system constituting method also include data correction module and with signal processing The power detecting module that module connects；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

Further, before gathering data, the clock using TPSN algorithm to realize wireless sensor network synchronizes, and is specially Local clock at node to be synchronized adds clock jitter, and the clock completing node synchronizes.

The present embodiment accelerates the locating speed of sensor network nodes, is arranged under illumination condition the color continuing energy supply to sensor Element sensitizing type light cell extends the service life of monitoring device；Sensor network route be unsatisfactory for bandwidth, time delay, delay jitter, Packet loss constraints, f_b、f_d、f_dj、f_plValue be all 0.6, monitoring cost relative reduction 15%；According to sensing The correction factor m value of device type selecting is 0.04, and monitoring accuracy improves 4% relatively.

Embodiment 5

Seeing Fig. 1, the present embodiment one fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to enter Row disaster hidden-trouble is monitored, and specifically includes sensor network nodes, LAN, monitoring center's server and short message alarm module, institute State sensor network nodes be arranged in tested position and be connected by LAN with monitoring center server, monitoring center's server There is provided data, services by network to long-distance user or send early warning information, it is possible to sending early warning note by short message alarm module, It is characterized in that, described sensor network nodes includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and arranges sensor network nodes during location Coordinate be that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the first reference mode Coordinate, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell；

Further, described fully-decorated residence indoor fire safety system constituting method also include data correction module and with signal processing The power detecting module that module connects；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

Further, before gathering data, the clock using TPSN algorithm to realize wireless sensor network synchronizes, and is specially Local clock at node to be synchronized adds clock jitter, and the clock completing node synchronizes.

The present embodiment accelerates the locating speed of sensor network nodes, is arranged under illumination condition the color continuing energy supply to sensor Element sensitizing type light cell extends the service life of monitoring device；Sensor network route be unsatisfactory for bandwidth, time delay, delay jitter, Packet loss constraints, f_b、f_d、f_dj、f_plValue be all 0.9, monitoring cost relative reduction 12%；According to sensing The correction factor m value of device type selecting is 0.04, and monitoring accuracy improves 4% relatively.

Last it should be noted that, above example is only in order to illustrate technical scheme, rather than to scope Restriction, although having made to explain to the present invention with reference to preferred embodiment, it will be understood by those within the art that, Technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.

Claims (3)

1. a fully-decorated residence indoor fire safety system constituting method, it uses wireless sensor network to carry out disaster hidden-trouble monitoring, specifically Including sensor network nodes, LAN, monitoring center's server and short message alarm module, described sensor network nodes is arranged Being connected by LAN at tested position and with monitoring center server, monitoring center's server is carried to long-distance user by network Supply data, services or send early warning information, it is possible to sending early warning note by short message alarm module, it is characterized in that, described sensor Network node includes:

(1) location in sensors network module, is used for obtaining sensor network nodes own location information, and it includes being sequentially connected with Task-driven submodule, locator module and signal processing submodule, described task-driven submodule is by LAN and monitoring Central server connects, and task-driven submodule drives locator module to obtain the own location information of ad-hoc network of sensors node, After the own location information of the described signal processing submodule described ad-hoc network of sensors node of reading, own location information is delivered to institute State monitoring center's server；Described locator module uses oval positioning mode to position, and sets sensor network nodes during location Coordinate is that (x, y), the coordinate of reference mode is (x_n,y_n), n=A, B, C, D, with (x_A,y_A) as the seat of the first reference mode Mark, with (x_m,y_m) as the coordinate of the second reference mode, positioning equation is:

$\sqrt{{(x-x_m)}^2+{(y-y_m)}^2}+\sqrt{{(x-x_A)}^2+{(y-y_A)}^2}=d_{Am}$

Wherein, m=B, C, D, d_AmFor sensor network nodes to the first reference mode, the distance of the second reference mode and, ask Solve equation the position obtaining sensor；

(2) sensor constraints module, for retraining expense and the energy of sensor, is expressed as undirected by sensor network Cum rights connects figure W=(N, L), and N represents that number of network node, L represent two-way link collection, and constraint function is:

$f=\frac{1}{\[{\mathrm{\Σ}}_{l\∈L}c\left(l\right)+{\mathrm{\Σ}}_{n\∈N}c\left(n\right)\]\[{\mathrm{\Σ}}_{l\∈L}p\left(l\right)+{\mathrm{\Σ}}_{n\∈N}p\left(n\right)\]}({\mathrm{Af}}_b+{\mathrm{Bf}}_d+{\mathrm{Cf}}_{dj}+{\mathrm{Df}}_{pl})$

Wherein, f_b、f_d、f_dj、f_plBe respectively bandwidth, time delay, delay jitter, packet loss penalty, A, B, C, D is respectively f_b、f_d、f_dj、f_plWeight coefficient, [∑_l∈Lc(l)+∑_n∈NC (n)] it is expense restriction, [∑_l∈Lp(l)+∑_n∈NP (n)] it is energy constraint；

When sensor network route meets bandwidth, time delay, delay jitter, packet loss constraints, f_b、f_d、f_dj、f_pl Value be all 1, other situations f_b、f_d、f_dj、f_plValue all in the range of (0,1), expense restriction and energy are about Bundle should take minima under conditions of meeting bandwidth, time delay, delay jitter and packet loss constraint；

(3) self-powered module, for sensor energy supply, it pigment including continuing energy supply under illumination condition to sensor Sensitizing type light cell.

A kind of fully-decorated residence indoor fire safety system constituting method the most according to claim 1, is characterized in that, also include that data are repaiied Positive module and the power detecting module being connected with signal processing submodule；

Described data correction module is for being corrected the data of sensor acquisition, and the data after correction are sent to monitoring center's service Device, arranges correction factorWherein T₀For local mean temperature, when T is sensor acquisition data Real time temperature, m is the correction factor selected according to sensor type, arranges the value of m in the range of (0,0.05), then

T≥T₀Time, updating formula is:

$Y_x=Y\·(1-{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

T ＜ T₀Time, updating formula is:

$Y_x=Y\·(1+{\mathrm{me}}^{-(\sqrt{\left|\frac{T-T_0}{T}\right|}+0.001)})$

Wherein, Y is by the one of sensor acquisition group of data, Y_xFor data after correction；

Described signal processing submodule reads the power information of the sensor network nodes of power detecting module detection, and then will sensing The power information of device network node sends to described monitoring center server.

A kind of fully-decorated residence indoor fire safety system constituting method the most according to claim 1, is characterized in that, before gathering data, The clock using TPSN algorithm to realize wireless sensor network synchronizes, when specially the local clock at node to be synchronized adds Clock deviation, the clock completing node synchronizes.