CN214376831U - Electrical fire monitoring system based on LoRa communication - Google Patents
Electrical fire monitoring system based on LoRa communication Download PDFInfo
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- CN214376831U CN214376831U CN202120657449.0U CN202120657449U CN214376831U CN 214376831 U CN214376831 U CN 214376831U CN 202120657449 U CN202120657449 U CN 202120657449U CN 214376831 U CN214376831 U CN 214376831U
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Abstract
The utility model provides an electric fire monitored control system based on loRa communication, including data acquisition unit and surveillance center, the data acquisition unit is including the electric fire detection circuit that connects in parallel each other, fault arc detection circuit and smog detection circuit, electric fire detection circuit includes first load, first intelligent circuit breaker and electric fire detector, electric fire detector is connected with residual current transformer, fault arc detection circuit includes the second load, fault arc detector and second intelligent circuit breaker, smog detection circuit includes interconnect's smoke transducer and direct current source, each sensor is connected with the loRa module respectively, the surveillance center is equipped with the server that is used for the loRa gateway with the communication of data acquisition unit. The utility model discloses an in time report and feedback control with the electrical apparatus conflagration monitored state data who gathers, provide perfect hardware platform for remote monitoring.
Description
Technical Field
The utility model relates to an electric fire monitored control system based on loRa communication belongs to comprehensive energy service field.
Background
According to the data of the fire department of the national ministry of public security, 23.7 thousands of fires are reported in 2018 all the country, 1407 people die, 798 people are injured, and the direct property loss reaches 36.75 million yuan. Wherein the electrical fire is the first of all kinds of fire. The fire caused by electrical causes accounts for 34.6%, 67 out of the larger fires accounts for 37, and 4 out of the heavy fires accounts for 3. The main cause of electrical fire is the occurrence of electric arcs and sparks due to the rupture of an insulating layer caused by short-circuiting of electric wires, excessive power consumption, poor contact, and the like.
The electric fire causes huge personnel and property losses, and promotes various industries to actively strengthen the supervision on the electric equipment and ensure the safe operation of the electric equipment by advanced technical means.
The existing electric fire monitoring system generally comprises a monitoring host, a monitoring detector and various sensor devices, information such as residual current, wire temperature, environment temperature and humidity and the like is obtained through the sensor devices, the information is transmitted to the monitoring detector to be researched and judged, and if data are found to be abnormal, the monitoring detector is linked with the monitoring host to send out an alarm signal.
However, the current electrical fire monitoring system has the following disadvantages:
1. the wired deployment is complex, the construction difficulty is high, and the cost is high;
2. the system does not have the capacity of linkage with operation and maintenance management, and has an information isolated island.
Disclosure of Invention
In order to solve the not enough of prior art, the utility model provides an electric fire monitored control system based on loRa communication builds based on loRa (Long Range Radio, remote Radio) communication technology, can realize in time reporting and feedback control with the electrical apparatus conflagration control state data who gathers, provides perfect hardware platform for remote monitoring.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an electrical fire monitoring system based on LoRa communication is provided, which comprises a data acquisition unit and a monitoring center, wherein the data acquisition unit comprises an electrical fire detection circuit, a fault arc detection circuit and a smoke detection circuit which are connected in parallel, the electrical fire detection circuit comprises a first load and a first intelligent circuit breaker which are connected with each other, and the electric fire detector who is connected through linked switch and first intelligent circuit breaker, electric fire detector is connected with residual current transformer, trouble arc detection circuit is including the second load that connects gradually in series, trouble arc detector and second intelligent circuit breaker, smog detection circuit includes interconnect's smoke transducer and direct current source, first intelligent circuit breaker, electric fire detector, second intelligent circuit breaker, trouble arc detector and smoke transducer are connected with the loRa module respectively, the surveillance center is equipped with the server that is used for the loRa gateway with data acquisition unit communication.
And a wire temperature sensor is arranged on an insulating layer of a wire used for connecting the electric fire detector and the first intelligent circuit breaker in the data acquisition unit.
The electric fire detector is connected with the line temperature sensor through two buses.
First intelligent circuit breaker, electric fire detector, second intelligent circuit breaker, trouble arc detector and smoke transducer are connected with the loRa module through the serial ports respectively.
The server of the LoRa gateway used for communicating with the data acquisition unit is a data acquisition server, and the data acquisition server is connected with the database server.
The database server communicates with the Web client through the Web server.
The database server is connected with the Web server through the service server.
The Web client comprises a PC and a mobile terminal.
And the Web server is in connection communication with the Web client through an intranet.
The utility model discloses based on the beneficial effect that its technical scheme had lies in:
the utility model provides a pair of electric fire monitored control system based on loRa communication builds based on loRa communication technology, can realize in time reporting and feedback control with the electrical apparatus conflagration monitored state data who gathers, provides perfect hardware platform for remote monitoring, and application mobile internet, thing networking and wireless communication technique under the prerequisite of guaranteeing communication quality, effectively reduce the construction cost, can promote the execution efficiency of equipment preventive maintenance service.
Drawings
Fig. 1 is the utility model provides a pair of electric fire monitored control system principle frame diagram based on loRa communication.
In the figure: 100-data acquisition unit, 101-LoRa module, 102.1-first intelligent circuit breaker, 102.2-second intelligent circuit breaker, 103.1-first load, 103.2-second load, 104-electrical fire detector, 105-residual current transformer, 106-line temperature sensor, 107-fault arc detector, 108-direct current source, 109-smoke sensor, 200-monitoring center, 201-LoRa gateway, 202-data acquisition server, 203-database server, 204-service server, 205-Web server, 206-Web client.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, the utility model provides an electric fire monitored control system based on loRa communication, including data acquisition unit 100 and surveillance center 200, the data acquisition unit includes electric fire detection circuit, trouble arc detection circuit and the smog detection circuit that connects in parallel each other, and electric fire detection circuit includes interconnect's first load 103.1 and first intelligent circuit breaker 102.1 to and the electric fire detector 104 of being connected through linked switch and first intelligent circuit breaker, electric fire detector is connected with residual current transformer 105. The residual current transformer 105 passes through the three-phase mains supply inlet line A, B, C and the neutral line N, so as to collect the residual current in the loop.
A wire temperature sensor 106 is arranged on an insulating layer of a wire used for connecting the electric fire detector and the first intelligent circuit breaker in the data acquisition unit so as to acquire wire temperature data. The electric fire detector is connected with the line temperature sensor through two buses.
The fault arc detection circuit comprises a second load 103.2, a fault arc detector 107 and a second smart breaker 102.2 connected in series in that order. The two ends of the fault arc detector 107 are connected to the second circuit breaker and the second load through wires, respectively.
The first load and the second load represent an emphasis monitoring device loop.
The smoke detection circuit comprises a smoke sensor 109 and a direct current source 108 which are mutually connected, wherein one end of the direct current source takes 220V alternating current from mains supply, 24V direct current power is output after rectification, and the other end of the direct current source is connected with the smoke sensor 109.
First intelligent circuit breaker, electric fire detector, second intelligent circuit breaker, trouble arc detector and smoke transducer are connected with loRa module 101 respectively, and the surveillance center is equipped with the server that is used for the loRa gateway 201 with data acquisition unit communication.
First intelligent circuit breaker, electric fire detector, second intelligent circuit breaker, trouble arc detector and smoke transducer are connected with the loRa module through the serial ports respectively.
The server of the LoRa gateway 201 for communicating with the data acquisition unit is a data acquisition server 202, the data acquisition server is connected with the LoRa gateway through an ethernet, the data acquisition server is connected with a database server 203, the database server 203 communicates with a Web client 206 through a Web server 205, and the database server is connected with the Web server through a service server 204. The data acquisition server, the database server, the service server and the Web server are all connected through an intranet.
The Web client comprises a PC and a mobile terminal.
And the Web server is in connection communication with the Web client through an intranet.
The utility model provides a pair of electric fire monitored control system's operating principle based on loRa communication does:
when the electric fire disaster recovery system is operated, residual current data in a residual current transformer acquisition loop are reported to an electric fire detector through two buses, a line temperature sensor acquires loop line temperature data and reports to the electric fire detector through the two buses, the residual current and the line temperature data collected by the electric fire detector are transmitted to an LoRa module through serial ports, and the LoRa module transmits data to a LoRa gateway through wireless signals. The electric fire detector can preset an alarm threshold value, and when the line temperature exceeds the limit or the residual current exceeds the limit, the electric fire detector sends out sound and light alarm until operation and maintenance personnel execute silencing operation, and can be linked with the intelligent circuit breaker to cut off a loop.
The line current value of key equipment return circuit is monitored to the trouble arc detector to pass through the serial ports with data and transmit the loRa module, the loRa module and then transmit data to the loRa gateway through radio signal. The detector is provided with an alarm threshold value, when fault electric arcs causing fire disasters exist in a detected line, sound and light alarm can be given out immediately until operation and maintenance personnel execute silencing operation, and meanwhile, the detector can be linked with an intelligent circuit breaker to cut off a loop.
Smog detector monitoring environmental parameter, if detect smog when more limiting, send audible and visual alarm at once, until the operation and maintenance personnel carry out the amortization operation, pass through the serial ports with alarm signal simultaneously and transmit the loRa module, the loRa module and then transmit data to the loRa gateway through wireless signal.
The LoRa gateway is used for receiving monitoring data reported by each LoRa module node, and the monitoring data comprise line temperature data, residual current data, arc alarm signals and smoke alarm signals. The data are sent to the data acquisition server through the Ethernet by the LoRa gateway, and the data acquisition server cleans the data and stores the data into the database server for data backup after classification, so that history is convenient to look up.
The system can be further added with a service server for obtaining data from the database server and carrying out feedback processing such as remote control according to service requirements.
The Web server calls the service of the business server as required, and sends the interactive interface to the Web client for display, and a user (patrolman, etc.) can execute control operation on equipment connected with an LoRa module in the data acquisition unit through the Web client, for example: when smoke alarm occurs, a monitoring center administrator can cut off all intelligent circuit breakers in the data acquisition unit through manual operation, and secondary accidents are prevented from being caused.
The utility model provides a pair of electric fire monitored control system based on loRa communication builds based on loRa communication technology, can realize in time reporting and feedback control with the electrical apparatus conflagration monitored state data who gathers, provides perfect hardware platform for remote monitoring, and application mobile internet, thing networking and wireless communication technique under the prerequisite of guaranteeing communication quality, effectively reduce the construction cost, can promote the execution efficiency of equipment preventive maintenance service.
The specific embodiments described in the present application are merely illustrative of the spirit of the present invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An electric fire monitored control system based on loRa communication, includes data acquisition unit (100) and surveillance center (200), its characterized in that: the data acquisition unit comprises an electrical fire detection circuit, a fault arc detection circuit and a smoke detection circuit which are connected in parallel, the electrical fire detection circuit comprises a first load (103.1) and a first intelligent circuit breaker (102.1) which are connected with each other, and through electrical fire detector (104) that gang switch and first intelligent circuit breaker are connected, electrical fire detector is connected with residual current transformer (105), the second load (103.2) that the trouble arc detection circuit is including establishing ties in proper order, trouble arc detector (107) and second intelligent circuit breaker (102.2), smog detection circuit includes interconnect's smoke transducer (109) and direct current source (108), first intelligent circuit breaker, electrical fire detector, second intelligent circuit breaker, trouble arc detector and smoke transducer are connected with loRa module (101) respectively, the surveillance center is equipped with the server that is used for loRa gateway (201) with the communication of data acquisition unit.
2. An electrical fire monitoring system based on LoRa communication according to claim 1, wherein: a wire temperature sensor (106) is arranged on an insulating layer of a wire used for connecting the electric fire detector and the first intelligent circuit breaker in the data acquisition unit.
3. An electrical fire monitoring system based on LoRa communication according to claim 2, wherein: the electric fire detector is connected with the line temperature sensor through two buses.
4. An electrical fire monitoring system based on LoRa communication according to claim 1, wherein: first intelligent circuit breaker, electric fire detector, second intelligent circuit breaker, trouble arc detector and smoke transducer are connected with the loRa module through the serial ports respectively.
5. An electrical fire monitoring system based on LoRa communication according to claim 1, wherein: the server of the LoRa gateway (201) used for communicating with the data acquisition unit is a data acquisition server (202), and the data acquisition server is connected with a database server (203).
6. An electrical fire monitoring system based on LoRa communication according to claim 5, wherein: the database server (203) communicates with the Web client (206) through the Web server (205).
7. An electrical fire monitoring system based on LoRa communication according to claim 6, wherein: the database server is connected to the Web server through a service server (204).
8. An electrical fire monitoring system based on LoRa communication according to claim 6, wherein: the Web client comprises a PC and a mobile terminal.
9. An electrical fire monitoring system based on LoRa communication according to claim 5, wherein: and the Web server is in connection communication with the Web client through an intranet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120657449.0U CN214376831U (en) | 2021-03-31 | 2021-03-31 | Electrical fire monitoring system based on LoRa communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120657449.0U CN214376831U (en) | 2021-03-31 | 2021-03-31 | Electrical fire monitoring system based on LoRa communication |
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| CN214376831U true CN214376831U (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117576852A (en) * | 2023-11-22 | 2024-02-20 | 北京北元电器有限公司 | Electrical fire monitoring system based on LoRa communication |
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2021
- 2021-03-31 CN CN202120657449.0U patent/CN214376831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117576852A (en) * | 2023-11-22 | 2024-02-20 | 北京北元电器有限公司 | Electrical fire monitoring system based on LoRa communication |
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