CN205881092U - Monitoring system of electric fire disaster - Google Patents

Monitoring system of electric fire disaster Download PDF

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Publication number
CN205881092U
CN205881092U CN201620758564.6U CN201620758564U CN205881092U CN 205881092 U CN205881092 U CN 205881092U CN 201620758564 U CN201620758564 U CN 201620758564U CN 205881092 U CN205881092 U CN 205881092U
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CN
China
Prior art keywords
electric fire
sensor
fire monitoring
chip microcomputer
branch road
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620758564.6U
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Chinese (zh)
Inventor
贾永青
龙坚
章君
陈嘉骅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Senyuan Electric Co Ltd
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Hunan Senyuan Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201620758564.6U priority Critical patent/CN205881092U/en
Application granted granted Critical
Publication of CN205881092U publication Critical patent/CN205881092U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a monitoring system of electric fire disaster. Monitoring system of electric fire disaster includes power distribution loop, locates be used for among the power distribution loop gathering power distribution loop relevant parameter and convert to corresponding sample data the sampling module, be used for handling sample data's main control board and with the touch -sensitive screen of human -computer interaction formula operation is connected and is used for in the main control board communication, monitoring system of electric fire disaster is still including the communication bridge, the communication bridge includes CAN bus branch road and many two bus branch roads, CAN bus branch road pass through the CAN bus with the main control board is connected, every two bus branch roads through two buses with the sampling module is connected. Compared with the prior art, the utility model provides a monitoring system of electric fire disaster adopts two buses and CAN bus to communicate, lay wire, and little and communication is stable good for the degree of difficulty.

Description

Electric fire monitoring system
Technical field
This utility model relates to electric fire disaster monitoring field, refers more particularly to a kind of electric fire monitoring system.
Background technology
Along with the fast development of Chinese society economy, urban population density increases rapidly, has driven real estate Super High to build Build, entertainment, the fast development of the industry such as market and hotel diet, meanwhile, electrical fire the most frequently occurs, and causes The heavy losses of the country and people's lives and properties, and the residual current value of Real-time Collection distribution line and key point temperature value and Electric arc on monitoring wire in real time, is prevention the informatization basis monitoring electrical fire.
In correlation technique, the communication mode of electric fire monitoring system generally includes RS485, two lines bus and CAN, but Each manufacturer all uses the mode of above-mentioned single communication.Although RS485 communication mode ensure that data bandwidth and communication quality, but Being that each module needs docking communication line and two groups of lines of power line, when module data amount is bigger, fault rate is higher, when single mould Block generation communication failure, may cause whole piece communication line to be paralysed, and fault inquiry the most more difficulty.Use the logical of two lines bus Order wire and power line are united two into one by letter mode, and in order to ensure reliable communications, the data volume of two lines bus transmission needs less, simultaneously It is unsuitable long that the line resistance of two lines bus also limit communication distance, and therefore the distance of communications is short.Although the number of CAN transmission Big according to amount, can automatically exit from when breaking down, communication distance is remote, reliable communications, but module is also required to docking communication line and electricity Two groups of lines of source line, thus add wiring cost and difficulty, too increase fault rate.
Therefore, it is necessary to provide a kind of new electric fire monitoring system to solve the problems referred to above.
Utility model content
This utility model technical issues that need to address are to provide a kind of employing two lines bus and CAN communicates, cloth The electric fire monitoring system that line difficulty is little and communication stability is good.
For solving above-mentioned technical problem, this utility model provides a kind of electric fire monitoring system, including distribution loop, sets For gathering described distribution loop relevant parameter and being converted into the sampling module of corresponding sampled data, use in described distribution loop In processing the master control borad of described sampled data and being connected and be used for the touch screen of man-machine interactive operation with described master control borad communication, Described electric fire monitoring system also includes the bridge that communicates, and described communication bridge includes that CAN branch road and a plurality of two lines bus prop up Road, described CAN branch road is connected with described master control borad by CAN, every described two lines bus branch road pass through two lines bus and Described sampling module connects.
Preferably, the quantity of described CAN branch road is 1, and the quantity of described two lines bus branch road is 3.
Preferably, described sampling module includes sample circuit, sensor and single-chip microcomputer, and described sample circuit one end is with described Sensor electrically connects, and the other end electrically connects with described single-chip microcomputer.
Preferably, described sample circuit includes that current sampling circuit, described sensor include current sensor, described electric current Sample circuit one end electrically connects with described single-chip microcomputer, and the other end electrically connects with described current sensor.
Preferably, described sample circuit also includes that temperature sampling circuit, described sensor also include temperature sensor, described Temperature sampling circuit one end electrically connects with described single-chip microcomputer, and the other end electrically connects with described temperature sensor.
Preferably, described sample circuit also includes that voltage sampling circuit, described sensor also include voltage sensor, described Voltage sampling circuit one end electrically connects with described single-chip microcomputer, and the other end electrically connects with described voltage sensor.
Preferably, described master control borad is connected by RS232 communication mode with described touch screen.
Preferably, described sampling module also includes malfunction indicator lamp and warning indicator light, described malfunction indicator lamp and described Warning indicator light electrically connects with described single-chip microcomputer respectively.
Compared with correlation technique, the electric fire monitoring system that this utility model provides is by sampling module and master control borad Between communication bridge is set, and use two lines bus to be connected between sampling module and communication bridge, in communication bridge and master control Use CAN to be connected between plate, thus be integrated with two kinds of two lines bus and the advantage of CAN connection so that this is the most fiery The transmission of calamity monitoring system data is reliable, and decreases wiring difficulty and system failure incidence rate, finds that distribution is abnormal in time, completes Electric fire disaster warning, effectively reduces the generation of electrical fire, it is ensured that the security of the lives and property.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model electric fire monitoring system;
Fig. 2 is the structured flowchart of the sampling module shown in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Refer to Fig. 1, for the structured flowchart of this utility model electric fire monitoring system.Described electric fire monitoring system 1 include distribution loop 11, the multiple sampling modules 12 being distributed in described distribution loop 11, communication bridge 13, master control borad 14, touch Touch screen 15 and the display lamp 16 electrically connected respectively and buzzer 17 with described master control borad 14.
In conjunction with reference to Fig. 2, for the structured flowchart of the sampling module shown in Fig. 1.Described sampling module 12 is installed on institute State high-risk section of the fire in distribution loop 11, be easily caused the relevant parameter of fire for detection.Wherein, described relevant parameter bag Include residual current value, temperature and fault electric arc.The surface-mounted integrated circuit of the described built-in Programming Design of sampling module 12.Described sampling mould Block 12 includes sample circuit 121, sensor 122, single-chip microcomputer 123, malfunction indicator lamp 124 and warning indicator light 125.Described sampling Circuit 121 one end electrically connects with described sensor 122, and the other end electrically connects with described single-chip microcomputer 123.Described malfunction indicator lamp 124 and described warning indicator light 125 electrically connect with described single-chip microcomputer 123 respectively.Described sampling module 12 have sampling functions and Communication function, wherein sampling functions is realized by described sample circuit 121, sensor 122 and single-chip microcomputer 123, each described sampling The corresponding unique address number of module 12, described sampling module 12 is led to by described address number and corresponding two lines bus Letter.Described sampling module is adopted 12 employing DC voltage 24V and is powered, the built-in two groups of backward diodes of described sampling module 12, The both threads of feeder ear is divided without positive and negative, and communicates and also completed by this both threads, the communication of described sampling module 12 and power supply, and one Only need both threads to complete altogether, and this both threads is regardless of positive and negative so that the wiring extremely convenient of described sampling module 12, decrease cloth Line difficulty and system failure incidence rate.
Described sample circuit 121 includes current sampling circuit 1211, temperature sampling circuit 1212 and voltage sampling circuit 1213.Described sensor 122 includes current sensor 1221, temperature sensor 1222 and voltage sensor 1223.Described electric current Sample circuit 1211 one end electrically connects with described single-chip microcomputer 123, and the other end electrically connects with described current sensor 1221.Described temperature Degree sample circuit 1212 one end electrically connects with described single-chip microcomputer 123, and the other end electrically connects with described temperature sensor 1222.Described Voltage sampling circuit 1213 one end electrically connects with described single-chip microcomputer 123, and the other end electrically connects with described voltage sensor 1223.
Described current sensor 1221 is for detecting the residual current value in described distribution loop 11, and described current sample is electric The residual current that described current sensor 1221 is detected by road 1211 processes, and is turned by described current value through described single-chip microcomputer 123 Change the described discernible sampled data of communication bridge 13 into.
Described temperature sensor 1222 is for detecting the temperature in described distribution loop 11, described temperature sampling circuit 1212 The temperature value that described temperature sensor 1222 detects is processed, by described single-chip microcomputer 123, described temperature value is converted into The described discernible sampled data of communication bridge 13.
Described voltage sensor 1223 is for detecting the magnitude of voltage in described distribution loop 11, described voltage sampling circuit The magnitude of voltage that described voltage sensor 1223 detects is processed by 1213, is turned by described magnitude of voltage by described single-chip microcomputer 123 Change the described discernible sampled data of communication bridge 13 into.
The sampled data of described single-chip microcomputer 123 has ten Effective Numericals, and it is effective that the sampling of each described sensor 122 obtains Data bit is ten, and wherein two status datas are respectively malfunction and alarm condition.Simultaneously in order to prevent described two lines bus On low level occurs for a long time, cause voltage persistently to drag down, cause capacitor charging time inadequate, so that two lines bus voltage is inclined From, affecting the transmission of sampled data, high 4 pressures of the most each byte are defined as high level, and low four send for data, Thus two byte sampled datas then split into 4 bytes, add frame head and postamble, form the packet comprising altogether 6 bytes.
Described single-chip microcomputer 123 is according to the preset value of each relevant parameter of detection, when the relevant parameter of detection is more than described pre- If during value, the most described malfunction indicator lamp 124 and warning indicator light 125 are lighted, to warn the relevant ginseng in described power distribution circuit 11 Count existing exception, electrical fire easily occurs.Sampled data and two status datas of ten are sealed by the most described single-chip microcomputer 123 Dress, and wait described bridge 13 poll that communicates plus data frame head and postamble after splitting into nybble data, and serial-by-bit is sent out Deliver to CAN.
Described communication bridge 13 one end is connected with described sampling module 12 by described two lines bus, described communication bridge 13 The other end be connected with described master control borad 14 by described CAN.Described communication bridge 13 includes that CAN branch road is with many Bar two lines bus branch road, described CAN branch road is connected with described master control borad 14 by described CAN, every described two lines bus Branch road is connected with described sampling module 12 by described two lines bus.The quantity of described CAN branch road is 1, described two lines bus The quantity of branch road is 3.Communicate with described CAN exchange by arranging described two lines bus, not only ensure that data Reliability, and decrease wiring difficulty and system failure incidence rate, it is achieved that high-risk section of described distribution loop 11 fire is remained The real-time monitoring of the data such as aftercurrent, temperature, fault electric arc, prevents electrical fire.
Described sampling module 12 has unique address number, each described address number the most corresponding one described two total Line, i.e. can detect adopting of each described sensor 122 detection by the described address number that every described two lines bus of detection is corresponding Sample data.
The described sampling module 12 of the described address number that described every described two lines bus of communication bridge 13 poll is corresponding, institute State the described address number of sampling module 12 its poll of real-time reception, as poll address number and self address number mutually Joining, the most described sampling module 12 feedback forms the packet of 6 bytes, and the data form sent by serial is sent to described logical Letter bridge 13, the data form that wherein serial sends is consistent with the data form that described communication bridge 13 receives, this data form Stop position including 1 start bit, 8 data bit and 1, and use even parity check.During concrete transmission, described sampling module 12 modes sent according to serial step-by-step, if data bit is 1, on the most described two lines bus, level is unchanged;If data bit is 0, then Running voltage on described two lines bus is reduced by 300 millivolts, and described communication bridge 13 is by judging the voltage on described two lines bus Situation of change, just can receive the data on described two lines bus.
Described master control borad 14 is connected with described communication bridge 13 by described CAN, and described communication bridge 13 will wheel The sampled data encapsulation asking each described two lines bus obtained forms packet, and is sent out by described packet by described CAN Delivering to described master control borad 14, described master control borad 14 resolves described packet and sends it to described touch screen 15.Wherein said Master control borad 14 is connected by RS232 communication mode with described touch screen 15.
Described touch screen 15 receives the described packet after resolving, and shows corresponding fault shape according to described packet State, described touch screen 15 can also be used with fault inquiry, and parameter such as arranges at the man-machine interactive operation, and described master board 14 is touched with described Touch screen 15 and install formation centralized supervisory and control equi concentratedly, be installed on the fire fighting monitoring room of personnel's fire watch, it is simple to monitor in real time, Improve the reliability of described electric fire monitoring system 1.
In present embodiment, the quantity of described display lamp 16 is 3, and described display lamp 16 includes green indicating lamp 161, Huang Color display lamp 162 and red led 163, the most corresponding normal operation, fault and warning.The quantity of described buzzer 17 is 1 Individual.When described master control borad 14 is powered normally, being in normal operation state, described green indicating lamp 161 is lighted;Adopt as described in exist When original mold block 12 breaks down or has monitoring device lost contact, described yellow indicator lamp 162 is lighted, the most described buzzer 17 Go out to be interrupted sound;When sampling module 12 as described in exist occurs to report to the police, described red led 163 is lighted, the most described buzzing Device 17 sends yowl.
Described master control borad 14 is additionally provided with multiple operation grade, and in present embodiment, described operation grade includes A, B and C etc. Level.Wherein, under A operation grade, operator are only capable of on described touch screen 15 inquiring about fault alarm information, operator's root Fault inquiry is carried out according to the A operation starting-up interface of grade, fault inquiry interface, warning query interface.Under B operation grade, logical Crossing the grade password that input is corresponding, self-inspection, noise reduction and reset key that described master control borad 141 is arranged come into force, operator's energy Enough operations carrying out correspondence.One monitoring page of the corresponding distribution of each described communication bridge 13, to monitor in real time.Grasp at C Make under grade, input highest ranking password, the number of nodes of every two lines bus and the described address number of correspondence can be set.
Compared with correlation technique, electric fire monitoring system of the present utility model is by between sampling module and master control borad Communication bridge is set, and uses two lines bus to be connected between sampling module and communication bridge, communication bridge and master control borad it Between use CAN to be connected, thus be integrated with the advantage that two kinds of two lines bus and CAN connect so that this electrical fire is supervised The transmission of Ore-controlling Role data is reliable, and decreases wiring difficulty and system failure incidence rate, finds that distribution is abnormal in time, completes electrically Fire alarm, effectively reduces the generation of electrical fire, it is ensured that the security of the lives and property.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every Utilize equivalent structure or equivalence flow process conversion that this utility model description and accompanying drawing content made, or be directly or indirectly used in Other relevant technical field, is the most in like manner included in scope of patent protection of the present utility model.

Claims (8)

1. an electric fire monitoring system, including distribution loop, is located in described distribution loop and returns for gathering described distribution Road relevant parameter is also converted into the sampling module of corresponding sampled data, for processing the master control borad of described sampled data and with described Master control borad communication connects and is used for the touch screen of man-machine interactive operation, it is characterised in that described electric fire monitoring system is also Including communication bridge, described communication bridge includes CAN branch road and a plurality of two lines bus branch road, and described CAN branch road passes through CAN is connected with described master control borad, and every described two lines bus branch road is connected with described sampling module by two lines bus.
Electric fire monitoring system the most according to claim 1, it is characterised in that the quantity of described CAN branch road is 1 Bar, the quantity of described two lines bus branch road is 3.
Electric fire monitoring system the most according to claim 1, it is characterised in that described sampling module includes sampling electricity Road, sensor and single-chip microcomputer, described sample circuit one end electrically connects with described sensor, and the other end is electrically connected with described single-chip microcomputer Connect.
Electric fire monitoring system the most according to claim 3, it is characterised in that described sample circuit includes current sample Circuit, described sensor includes that current sensor, described current sampling circuit one end electrically connect with described single-chip microcomputer, the other end with Described current sensor electrically connects.
Electric fire monitoring system the most according to claim 4, it is characterised in that described sample circuit also includes that temperature is adopted Sample circuit, described sensor also includes that temperature sensor, described temperature sampling circuit one end electrically connect with described single-chip microcomputer, another End electrically connects with described temperature sensor.
Electric fire monitoring system the most according to claim 5, it is characterised in that described sample circuit also includes that voltage is adopted Sample circuit, described sensor also includes that voltage sensor, described voltage sampling circuit one end electrically connect with described single-chip microcomputer, another End electrically connects with described voltage sensor.
Electric fire monitoring system the most according to claim 1, it is characterised in that described master control borad leads to described touch screen Cross RS232 communication mode to be connected.
Electric fire monitoring system the most according to claim 1, it is characterised in that described sampling module also includes that fault refers to Show that lamp and warning indicator light, described malfunction indicator lamp and described warning indicator light electrically connect with described single-chip microcomputer respectively.
CN201620758564.6U 2016-07-19 2016-07-19 Monitoring system of electric fire disaster Expired - Fee Related CN205881092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620758564.6U CN205881092U (en) 2016-07-19 2016-07-19 Monitoring system of electric fire disaster

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Application Number Priority Date Filing Date Title
CN201620758564.6U CN205881092U (en) 2016-07-19 2016-07-19 Monitoring system of electric fire disaster

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109949533A (en) * 2019-05-05 2019-06-28 重庆固德力安科技有限公司 A kind of electrical fire-detector for realizing measuring point extendable functions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109949533A (en) * 2019-05-05 2019-06-28 重庆固德力安科技有限公司 A kind of electrical fire-detector for realizing measuring point extendable functions

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170111

Termination date: 20170719