CN112967468B - Electrical fire monitoring detector and electrical fire monitoring system - Google Patents
Electrical fire monitoring detector and electrical fire monitoring system Download PDFInfo
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- CN112967468B CN112967468B CN202110142767.8A CN202110142767A CN112967468B CN 112967468 B CN112967468 B CN 112967468B CN 202110142767 A CN202110142767 A CN 202110142767A CN 112967468 B CN112967468 B CN 112967468B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses an electrical fire monitoring detector and an electrical fire monitoring system comprising the same, wherein the detector comprises a microprocessor MCU (microprogrammed control Unit), an RFID/NFC dynamic tag, an electronic paper display screen, a detection module, a communication module and a power supply module, wherein the RFID/NFC dynamic tag, the electronic paper display screen, the detection module and the communication module are respectively connected with the microprocessor MCU; the data in the RFID/NFC dynamic tag is divided into ID data and application data (configuration data of a detector, alarm event data and fault event data); the configuration data of the detector can be written by the reader (the reader is powered) in the power-off state of the detector; the microprocessor MCU can read the configuration data in the RFID/NFC dynamic tag, load the configuration data into a program for working, judge the data detected by the detection module according to the configuration data information, generate an alarm event or a fault event, and store, display and upload the data. The electric fire monitoring detector can realize the data holding function under special conditions and realize the rapid configuration function under the non-installation and non-electrified states.
Description
Technical Field
The invention relates to the field of electrical fire monitoring, in particular to an electrical fire monitoring detector and an electrical fire monitoring system with a data holding function and rapid configuration.
Background
The electric fire monitoring detector can detect dangerous parameters such as residual current, temperature and the like in an electric line, sends out sound and light alarm signals according to set alarm values, and forms an electric fire monitoring system with electric fire monitoring equipment through a communication network.
When an existing electrical fire monitoring detector encounters an electrical fire or an electrical fault, data are uploaded to monitoring equipment and a power distribution system is tripped, so that whether the electrical fire monitoring detector generates an alarm signal cannot be defined.
In addition, the conventional electrical fire monitoring detector needs to be configured in an electrified state, generally needs to be configured by a tool or a remote place after being installed, and cannot be configured in a non-electrified state when not being installed.
It is therefore apparent that the above-mentioned conventional electrical fire monitoring detector still has inconvenience and disadvantages in structure, method and use, and further improvement is needed. How to create an electrical fire monitoring detector with data retention function and capable of fast configuration in the non-installed non-energized state is a great need for improvement in the industry.
Disclosure of Invention
The invention aims to provide an electrical fire monitoring detector which has a data retaining function under special conditions and can be quickly configured in a non-installed and non-electrified state.
In order to solve the technical problems, the invention adopts the following technical scheme:
an electrical fire monitoring detector with a data retention function and rapid configuration is used for monitoring a power distribution system and is characterized by comprising a microprocessor MCU, and an RFID/NFC dynamic tag, an electronic paper display screen, a detection module and a communication module which are respectively connected with the microprocessor MCU; the detector also comprises a power module which supplies power to the whole detector through an external power supply.
The data in the RFID/NFC dynamic tag is divided into ID data and application data; the application data comprises configuration data of the detector, alarm event data and fault event data; the configuration data of the detector can be written by the reader in a power-off state of the detector, and the RFID/NFC dynamic tag is wirelessly powered by the reader in the writing process;
the microprocessor MCU is used for reading the configuration data in the RFID/NFC dynamic tag, loading the configuration data into a program for working, and judging the data detected by the detection module according to the configuration data information:
when the power distribution system is abnormal, an alarm event is generated and is pushed to an electronic paper display screen for display at the first time, meanwhile, the alarm event is stored in alarm event data in an RFID/NFC dynamic label, and the alarm event data is uploaded to the upper-level management equipment through a communication module;
when the detector and the sensor connected with the detector are abnormal, a fault event is generated and pushed to the electronic paper display screen for display at the first time, and meanwhile, the fault event is stored in fault event data in the RFID/NFC dynamic label and uploaded to the upper-level management equipment through the communication module.
As a further improvement of the present invention, in the application data: the configuration data of the detector is the configuration state data of the detector in the working process, and comprises an alarm set value, a channel switch, a detection mode and a detector mode of the detector; the alarm event data comprises alarm time, alarm type, alarm channel, alarm set value and alarm value; the fault event data comprises fault time, fault types, fault channels and fault specific information.
Further, the ID data includes three parts: the first part is a behavior identification code for identifying the interaction behavior of the reader and the detector; the second part is an equipment type code for identifying the type and model of the detector equipment; the third part is equipment identification code which is the only identity of the identification detector.
Furthermore, the RFID/NFC dynamic tag information and the reader are read and written in an encryption mode, and after password interactive authentication between the reader and the tag is passed, the reader can read out data in the tag and can also write in the data.
Furthermore, the RFID/NFC dynamic tag is formed by sequentially connecting an antenna, a coupling element and a memory chip.
Further, when the alarm and fault events are pushed to the electronic paper display screen to be displayed, the electronic paper display screen only displays the latest primary event information, an alarm event priority rule is adopted, the latest primary alarm event information is preferentially displayed when the alarm event exists, the latest primary fault event information is displayed when the alarm event does not exist, real-time fault event data can be manually checked through keys when the alarm event information is displayed, and the alarm event information interface can be automatically returned when no operation is performed for a certain time.
Further, in the RFID/NFC dynamic tag, the alarm and fault events can respectively store the latest 100 fault data, the first-in first-out principle is adopted during storage, when 100 data are stored fully, the latest data can cover the earliest data, and the like.
Further, when the detector is in a power-off state or the detector is damaged except the configured RFID/NFC dynamic tag part due to other reasons, data in the RFID/NFC dynamic tag can be read through the reader, and the RFID/NFC dynamic tag is powered wirelessly through the reader in the reading process.
Further, the communication module is divided into a WiFi network module, a cellular network module, a power carrier network module and/or an RS-485 bus module.
Further, the device also comprises a reader matched with the detector.
In addition, the invention also provides an electrical fire monitoring system, which comprises an electrical fire monitoring detector and electrical fire monitoring equipment which are arranged in a power distribution system, wherein the electrical fire monitoring detector and the electrical fire monitoring equipment are connected through a communication network; the electric fire monitoring detector is characterized by adopting the electric fire monitoring detector.
By adopting the technical scheme, the invention at least has the following advantages:
1. the invention sets the RFID/NFC dynamic label, and sets the configuration data, alarm event data and fault event data of the detector in the RFID/NFC dynamic label, so that the RFID/NFC dynamic label has a data holding function under special conditions, for example, when an electrical fire occurs, the detector detects abnormity and gives an alarm, because the network has delay, when the alarm data is not uploaded yet, the detector is powered off because the fire breaks off in a power distribution system, and at the moment, even if the detector is damaged by the fire, if only the electronic paper display screen and/or the RFID/NFC dynamic label is still in use, whether the alarm is generated or not can be known according to the stored or displayed information, so that the later investigation and evidence obtaining can be facilitated.
2. According to the invention, by setting the RFID/NFC dynamic tag and setting the configuration data of the detector in the RFID/NFC dynamic tag, an engineer can configure the RFID/NFC dynamic tag through a reader (a mobile phone and the like) under the condition that the detector is not installed in a power distribution system and does not have a power-on condition, so that the RFID/NFC dynamic tag is greatly convenient for engineering debugging and has a rapid configuration function.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic view showing the structural principle of an electrical fire monitoring detector having a data holding function and a shortcut configuration in an embodiment of the present invention.
Detailed Description
The embodiment provides an electrical fire monitoring detector with a data holding function and rapid configuration, which is used for monitoring a power distribution system, and as shown in fig. 1, the electrical fire monitoring detector comprises a microprocessor MCU, and a detection module, an RFID/NFC dynamic tag, an electronic paper display screen, a communication module and a power module which are respectively connected with the microprocessor MCU.
The detection module is used for detecting dangerous parameters such as residual current, temperature and the like in the distribution line; the RFID/NFC dynamic tag is formed by sequentially connecting an antenna, a coupling element and a memory chip and is used for data configuration and data storage and storage of the detector; the electronic paper display screen has the function of still keeping display in a power-off state; the communication module is used for communication between the detector and the upper-level management equipment (electrical fire monitoring equipment); the power module is used for supplying power for the whole detector through an external power supply.
Dividing data in the RFID/NFC dynamic tag into ID data and application data; the ID data is divided into three parts, wherein the first part is a behavior identification code and is used for identifying the interaction behavior of a reader (a mobile phone and the like) and a detector, and the false triggering caused by the fact that other tags such as cards contact the reader is prevented. The second part is equipment type code for identifying the type and model of the detector equipment. And the third part of equipment identity identification codes are unique identities for identifying the detectors. The application data is divided into three parts, the first part is configuration data of the detector, the configuration states of the detector in working, such as an alarm set value, a channel switch, a detection mode and a detector mode, of the detector can be written by the reader in a power-off state of the detector, the RFID/NFC dynamic tag is wirelessly powered by the reader in the writing process, and can be set or modified through writing, and in addition, the RFID/NFC dynamic tag can also be read. The second part is alarm event data, which can store the latest 100 pieces of alarm data, the content includes alarm time, alarm type, alarm channel, alarm set value and alarm value, and can be read. The third part of fault event data can store the last 100 pieces of fault data, the content of which comprises fault time, fault type, fault channel and fault specific information, and the fault event data can be read.
After the detector is installed on a power distribution system and works normally, the microprocessor MCU loads the configured data in the RFID/NFC dynamic tag into a program for working after reading the configured data, judges the data detected by the detection module according to the configuration data information, generates an alarm event when the power distribution system is abnormal, pushes the alarm event to an electronic paper display screen for display at the first time, stores the alarm event into the alarm event data in the configured RFID/NFC dynamic tag, and uploads the alarm event data to the upper-level management equipment through the network module.
After the detector is installed on a power distribution system and works normally, the microprocessor MCU loads the data into a program to work after reading the configuration data in the configured RFID/NFC dynamic tag, judges the data detected by the detection module according to the configuration information, generates a fault event when the detector and a sensor connected with the detector are abnormal, pushes the fault event to an electronic paper display screen to display the fault event at the first time, stores the fault event into the fault event data in the configured RFID/NFC dynamic tag, and uploads the fault event data to the upper-level management equipment through the network module.
When an alarm and a fault event are generated and pushed to an electronic paper display screen to be displayed, the electronic paper display screen only displays the latest primary event information, an alarm event priority rule is adopted, the latest primary alarm event information is preferentially displayed when the alarm event exists, the latest primary fault event information is displayed when the alarm event does not exist, real-time fault event data can be manually checked through keys when the alarm event information is displayed, and an alarm event information interface can be automatically returned when no operation is performed for a certain time. When the detector is powered off, the electronic paper display screen can keep the display state of the last moment so as to realize the function of the physical visible black box.
When an alarm and a fault event are generated and stored in corresponding alarm and fault event data in the configured RFID/NFC dynamic tag, the alarm and fault event can respectively store the latest 100 fault data, the first-in first-out principle is adopted during storage, when 100 data are stored, the latest data can cover the earliest data, and the rest can be analogized.
When the detector is in a power-off state or the detector is damaged except the configured RFID/NFC dynamic tag part due to fire and the like, the alarm and fault event data can be read out through a reader (a mobile phone and the like) and configured software thereof for later investigation, and the RFID/NFC dynamic tag is wirelessly powered through the reader (the mobile phone and the like) in the reading process.
The detector can be controlled to keep the configuration state of the detector displayed on the electronic paper display screen, so that an engineer can conveniently identify the detector, and the RFID/NFC dynamic tag is wirelessly powered on through the reader (mobile phone and the like) in the reading process.
The information of the RFID/NFC dynamic tag of the detector part is read and written in an encryption mode, and after the reader (mobile phone and the like) and the tag pass the password interactive authentication, the reader (mobile phone and the like) can read the data in the tag and can also write in the data.
The communication module can be divided into a WiFi network module, a cellular network module, a power carrier network module, an RS-485 bus module and the like according to different network communication modes. The RS-485 bus module is directly accessed to the electric fire monitoring equipment of the central control room through a field bus and then is uploaded to the management server software.
In summary, the RFID/NFC dynamic tag is configured in the electrical fire monitoring detector, and data in the RFID/NFC dynamic tag is divided into ID data and application data (including configuration data of the detector, alarm event data, and fault event data); the configuration data of the detector can be written by the reader (the reader is powered) in the power-off state of the detector; the microprocessor MCU can read the configuration data in the RFID/NFC dynamic tag, load the configuration data into a program for working, judge the data detected by the detection module according to the configuration data information, generate an alarm event or a fault event, and store, display and upload the data. The electric fire monitoring detector can realize the data holding function under special conditions and realize the rapid configuration function under the non-installation and non-electrified states.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. An electrical fire monitoring detector is used for monitoring a power distribution system and is characterized by comprising a microprocessor MCU, and an RFID/NFC dynamic tag, an electronic paper display screen, a detection module and a communication module which are respectively connected with the microprocessor MCU; the detector also comprises a power supply module which supplies power to the whole detector through an external power supply;
the data in the RFID/NFC dynamic tag is divided into ID data and application data; the application data comprises configuration data of the detector, alarm event data and fault event data; the configuration data of the detector can be written by the reader in a power-off state of the detector, and the RFID/NFC dynamic tag is wirelessly powered by the reader in the writing process;
the microprocessor MCU is used for reading the configuration data in the RFID/NFC dynamic tag, loading the configuration data into a program for working, and judging the data detected by the detection module according to the configuration data information:
when the power distribution system is abnormal, an alarm event is generated and is pushed to an electronic paper display screen for display at the first time, meanwhile, the alarm event is stored in alarm event data in an RFID/NFC dynamic label, and the alarm event data is uploaded to the upper-level management equipment through a communication module;
when the detector and the sensor connected with the detector are abnormal, a fault event is generated and pushed to the electronic paper display screen for display at the first time, and meanwhile, the fault event is stored in fault event data in the RFID/NFC dynamic label and uploaded to the upper-level management equipment through the communication module.
2. An electrical fire monitoring probe according to claim 1, wherein in the application data: the configuration data of the detector is the configuration state data of the detector in the working process, and comprises an alarm set value, a channel switch, a detection mode and a detector mode of the detector; the alarm event data comprises alarm time, alarm type, alarm channel, alarm set value and alarm value; the fault event data comprises fault time, fault types, fault channels and fault specific information;
and/or the ID data comprises three parts: the first part is a behavior identification code and is used for identifying the interaction behavior of the reader and the detector; the second part is an equipment type code for identifying the type and model of the detector equipment; the third part is equipment identification code which is the only identity of the identification detector.
3. The electrical fire monitoring detector of claim 1, wherein the RFID/NFC dynamic tag information is read and written by the reader in an encrypted manner, and after the reader and the tag pass the password interaction authentication, the reader can read out the data in the tag and also write in the data.
4. The electrical fire monitoring detector of claim 1, wherein the RFID/NFC dynamic tag is formed by sequentially connecting an antenna, a coupling element and a memory chip.
5. An electrical fire monitoring probe according to any of claims 1 to 4 wherein when an alarm and fault event is pushed to the electronic paper display screen for display, the electronic paper display screen displays only the latest primary event information, and adopts alarm event priority rules to preferentially display the latest primary alarm event information when there is an alarm event and display the latest primary fault event information when there is no alarm event, and real-time fault event data can be manually viewed by pressing keys when alarm event information is displayed, and automatically returns to the alarm event information interface when there is no operation for a certain time.
6. An electrical fire monitoring detector as claimed in any one of claims 1 to 4, wherein in the RFID/NFC dynamic tag, the alarm and fault events can respectively store the latest 100 pieces of fault data, the latest piece of data overwrites the earliest piece of data when the 100 pieces of data are stored, and so on.
7. An electrical fire monitoring probe according to any of claims 1 to 4, wherein when the probe is in a power-off state or otherwise damaged except for the part of the RFID/NFC dynamic tag which is provided with the probe, the data in the RFID/NFC dynamic tag can be read by the reader, and the RFID/NFC dynamic tag is wirelessly powered by the reader during reading.
8. An electrical fire monitoring detector as claimed in any of claims 1 to 4, wherein the communication module is divided into a WiFi network module, a cellular network module, a power carrier network module and/or an RS-485 bus module.
9. An electrical fire monitoring probe according to any of claims 1 to 4, further comprising a reader associated with the probe.
10. An electrical fire monitoring system comprises an electrical fire monitoring detector and electrical fire monitoring equipment which are arranged in a power distribution system, and the electrical fire monitoring detector and the electrical fire monitoring equipment are connected through a communication network; characterized in that the electrical fire monitoring detector employs the electrical fire monitoring detector of any one of claims 1 to 9.
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